diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/core.c | 5 | ||||
| -rw-r--r-- | src/plugins/Makefile.am | 1 | ||||
| -rw-r--r-- | src/plugins/dt.c | 474 | ||||
| -rw-r--r-- | src/plugins/dt.h | 47 | ||||
| -rw-r--r-- | src/plugins/plugin-def.h | 13 | ||||
| -rw-r--r-- | src/plugins/plugin-int.h | 16 | ||||
| -rw-r--r-- | src/plugins/plugin.c | 396 | ||||
| -rw-r--r-- | src/plugins/plugin.h | 12 | 
8 files changed, 877 insertions, 87 deletions
diff --git a/src/core/core.c b/src/core/core.c index cdcfce5..aabff62 100644 --- a/src/core/core.c +++ b/src/core/core.c @@ -44,6 +44,7 @@  #include "../common/io.h"  #include "../common/xdg.h"  #include "../glibext/linesegment.h" +#include "../plugins/dt.h" @@ -87,6 +88,8 @@ bool load_all_basic_components(void)          SSL_load_error_strings();          SSL_library_init(); +        result &= init_chrysalide_dynamic_types(); +          result &= load_main_config_parameters();          result &= ensure_user_has_rsa_keys(); @@ -142,6 +145,8 @@ void unload_all_basic_components(void)      unload_main_config_parameters(); +    exit_chrysalide_dynamic_types(); +      ERR_free_strings();  } diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am index 996c418..4059e0b 100644 --- a/src/plugins/Makefile.am +++ b/src/plugins/Makefile.am @@ -4,6 +4,7 @@ noinst_LTLIBRARIES = libplugins.la  libplugins_la_SOURCES =					\  	context-int.h						\  	context.h context.c					\ +	dt.h dt.c							\  	pglist.h pglist.c					\  	plugin-def.h						\  	plugin-int.h						\ diff --git a/src/plugins/dt.c b/src/plugins/dt.c new file mode 100644 index 0000000..afdba21 --- /dev/null +++ b/src/plugins/dt.c @@ -0,0 +1,474 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * dt.c - possibilité de créer de nouveaux types de façon dynamique + * + * Copyright (C) 2018 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>. + */ + + +#include "dt.h" + + +#include <assert.h> +#include <malloc.h> + + + +/* ------------------------- MODULE DE GESTION DES NOUVEAUX ------------------------- */ + + +#define G_TYPE_DYNAMIC_TYPES            g_dynamic_types_get_type() +#define G_DYNAMIC_TYPES(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_DYNAMIC_TYPES, GDynamicTypes)) +#define G_IS_DYNAMIC_TYPES(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_DYNAMIC_TYPES)) +#define G_DYNAMIC_TYPES_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DYNAMIC_TYPES, GDynamicTypesClass)) +#define G_IS_DYNAMIC_TYPES_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DYNAMIC_TYPES)) +#define G_DYNAMIC_TYPES_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DYNAMIC_TYPES, GDynamicTypesClass)) + + +/* Mémorisation des caractéristiques de type */ +typedef struct _type_dyn_info_t +{ +    GType type;                             /* Identifiant unique obtenu   */ +    GClassInitFunc init;                    /* Définition des méthodes     */ +    gconstpointer data;                     /* Eventuelles données utiles  */ + +} type_dyn_info_t; + +/* Description de fichier binaire (instance) */ +typedef struct _GDynamicTypes +{ +    GObject parent;                         /* A laisser en premier        */ + +    type_dyn_info_t **info;                 /* Liste d'informations utiles */ +    size_t count;                           /* Taille de cette liste       */ + +} GDynamicTypes; + +/* Description de fichier binaire (classe) */ +typedef struct _GDynamicTypesClass +{ +    GObjectClass parent;                    /* A laisser en premier        */ + +} GDynamicTypesClass; + + +/* Indique le type défini pour une gestion de types dynamique. */ +static GType g_dynamic_types_get_type(void); + +/* Initialise la classe de gestion de types dynamique. */ +static void g_dynamic_types_class_init(GDynamicTypesClass *); + +/* Initialise une gestion de types dynamique. */ +static void g_dynamic_types_init(GDynamicTypes *); + +/* Procède à l'initialisation de l'interface de typage nouveau. */ +static void g_dynamic_types_interface_init(GTypePluginClass *); + +/* Supprime toutes les références externes. */ +static void g_dynamic_types_dispose(GDynamicTypes *); + +/* Procède à la libération totale de la mémoire. */ +static void g_dynamic_types_finalize(GDynamicTypes *); + +/* Crée un nouveau gestionnaire de nouveaux types. */ +static GDynamicTypes *g_dynamic_types_new(void); + +/* Marque une augmentation des utilisations. */ +static void g_dynamic_types_use(GDynamicTypes *); + +/* Marque une diminution des utilisations. */ +static void g_dynamic_types_unuse(GDynamicTypes *); + +/* Complète la définition d'un type dynamiquement. */ +static void g_dynamic_types_complete_type(GDynamicTypes *, GType, GTypeInfo *, GTypeValueTable *); + +/* Retrouve les informations concernant un type dynamique. */ +static const type_dyn_info_t *g_dynamic_types_find(const GDynamicTypes *, GType); + +/* Fournit un identifiant GLib pour un nouveau type. */ +static GType g_dynamic_types_register_type(GDynamicTypes *, GType, const char *, GClassInitFunc, gconstpointer); + + + +/* ----------------------- ACCOMPAGNEMENTS DES NOUVEAUX TYPES ----------------------- */ + + +/* Encadrement des nouveaux types dérivés */ +static GDynamicTypes *_chrysalide_dtypes = NULL; + + + +/* ---------------------------------------------------------------------------------- */ +/*                           MODULE DE GESTION DES NOUVEAUX                           */ +/* ---------------------------------------------------------------------------------- */ + +/* Indique le type défini pour une gestion de types dynamique. */ +G_DEFINE_TYPE_WITH_CODE(GDynamicTypes, g_dynamic_types, G_TYPE_OBJECT, +                        G_IMPLEMENT_INTERFACE(G_TYPE_TYPE_PLUGIN, g_dynamic_types_interface_init)); + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : klass = classe à initialiser.                                * +*                                                                             * +*  Description : Initialise la classe de gestion de types dynamique.          * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_class_init(GDynamicTypesClass *klass) +{ +    GObjectClass *object;                   /* Autre version de la classe  */ + +    object = G_OBJECT_CLASS(klass); + +    object->dispose = (GObjectFinalizeFunc/* ! */)g_dynamic_types_dispose; +    object->finalize = (GObjectFinalizeFunc)g_dynamic_types_finalize; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = instance à initialiser.                              * +*                                                                             * +*  Description : Initialise une gestion de types dynamique.                   * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_init(GDynamicTypes *types) +{ + +} + +/****************************************************************************** +*                                                                             * +*  Paramètres  : iface = interface GLib à initialiser.                        * +*                                                                             * +*  Description : Procède à l'initialisation de l'interface de typage nouveau. * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_interface_init(GTypePluginClass *iface) +{ +    iface->use_plugin = (GTypePluginUse)g_dynamic_types_use; +    iface->unuse_plugin = (GTypePluginUnuse)g_dynamic_types_unuse; +    iface->complete_type_info = (GTypePluginCompleteTypeInfo)g_dynamic_types_complete_type; + +} + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = instance d'objet GLib à traiter.                     * +*                                                                             * +*  Description : Supprime toutes les références externes.                     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_dispose(GDynamicTypes *types) +{ +    G_OBJECT_CLASS(g_dynamic_types_parent_class)->dispose(G_OBJECT(types)); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = instance d'objet GLib à traiter.                     * +*                                                                             * +*  Description : Procède à la libération totale de la mémoire.                * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_finalize(GDynamicTypes *types) +{ +    G_OBJECT_CLASS(g_dynamic_types_parent_class)->finalize(G_OBJECT(types)); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : -                                                            * +*                                                                             * +*  Description : Crée un nouveau gestionnaire de nouveaux types.              * +*                                                                             * +*  Retour      : Instance mise en place.                                      * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static GDynamicTypes *g_dynamic_types_new(void) +{ +    GDynamicTypes *result;                  /* Adresse à retourner         */ + +    result = g_object_new(G_TYPE_DYNAMIC_TYPES, NULL); + +    return result; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = gestionnaire de types courant.                       * +*                                                                             * +*  Description : Marque une augmentation des utilisations.                    * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_use(GDynamicTypes *types) +{ + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = gestionnaire de types courant.                       * +*                                                                             * +*  Description : Marque une diminution des utilisations.                      * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_unuse(GDynamicTypes *types) +{ + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : types = gestionnaire de types courant.                       * +*                type  = nouveau type GLib à traiter.                         * +*                info  = information concernant ce type à constituer. [OUT]   * +*                table = table de valeur à éventuellement initialiser. [OUT]  * +*                                                                             * +*  Description : Complète la définition d'un type dynamiquement.              * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_dynamic_types_complete_type(GDynamicTypes *types, GType type, GTypeInfo *info, GTypeValueTable *table) +{ +    const type_dyn_info_t *nfo;             /* Source d'inspiration        */ +    GType parent;                           /* Type parent du type         */ +    GTypeQuery query;                       /* Informations complémentaires*/ + +    /* Consultation */ + +    nfo = g_dynamic_types_find(types, type); +    assert(nfo != NULL); + +    parent = g_type_parent(type); +    g_type_query(parent, &query); + +    /* Définition */ + +    info->class_size = query.class_size; +    info->class_init = nfo->init; +    info->class_data = nfo->data; + +    info->instance_size = query.instance_size; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : parent = type GLib parent.                                   * +*                type   = identifiant du type GLib à considérer.              * +*                                                                             * +*  Description : Retrouve les informations concernant un type dynamique.      * +*                                                                             * +*  Retour      : Structure contenant les informations associées au type.      * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static const type_dyn_info_t *g_dynamic_types_find(const GDynamicTypes *types, GType target) +{ +    type_dyn_info_t *result;                /* Informations à retourner    */ +    size_t i;                               /* Boucle de parcours          */ + +    result = NULL; + +    for (i = 0; i < types->count && result == NULL; i++) +        if (types->info[i]->type == target) +            result = types->info[i]; + +    return result; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : parent = type GLib parent.                                   * +*                name   = désignation du nouveau type.                        * +*                init   = procédure d'initialisation de la classe associée.   * +*                data   = éventuelles données à associer à la future classe.  * +*                                                                             * +*  Description : Fournit un identifiant GLib pour un nouveau type.            * +*                                                                             * +*  Retour      : identifiant d'un nouveau type valide, ou 0.                  * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static GType g_dynamic_types_register_type(GDynamicTypes *types, GType parent, const char *name, GClassInitFunc init, gconstpointer data) +{ +    GType result;                           /* Identifiant à retourner     */ +    type_dyn_info_t *new;                   /* Mémorisation de paramètres  */ + +    /* Création d'un nouveau type adapté */ + +    result = g_type_register_dynamic(parent, name, G_TYPE_PLUGIN(types), 0); + +    if (result == 0) +        goto exit; + +    new = malloc(sizeof(type_dyn_info_t)); + +    new->type = result; +    new->init = init; +    new->data = data; + +    /* Inscription définitive */ + +    types->info = realloc(types->info, ++types->count * sizeof(type_dyn_info_t *)); + +    types->info[types->count - 1] = new; + + exit: + +    return result; + +} + + + +/* ---------------------------------------------------------------------------------- */ +/*                         ACCOMPAGNEMENTS DES NOUVEAUX TYPES                         */ +/* ---------------------------------------------------------------------------------- */ + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : -                                                            * +*                                                                             * +*  Description : Lance le support de dérivations de types dans Chrysalide.    * +*                                                                             * +*  Retour      : Bilan de l'opération.                                        * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +bool init_chrysalide_dynamic_types(void) +{ +    bool result;                            /* Bilan à retourner           */ + +    _chrysalide_dtypes = g_dynamic_types_new(); + +    result = (_chrysalide_dtypes != NULL); + +    return result; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : -                                                            * +*                                                                             * +*  Description : Arrête le support de dérivations de types dans Chrysalide.   * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +void exit_chrysalide_dynamic_types(void) +{ +    g_object_unref(G_OBJECT(_chrysalide_dtypes)); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : parent = type GLib parent.                                   * +*                name   = désignation du nouveau type.                        * +*                init   = procédure d'initialisation de la classe associée.   * +*                data   = éventuelles données à associer à la future classe.  * +*                                                                             * +*  Description : Fournit un identifiant GLib pour un nouveau type.            * +*                                                                             * +*  Retour      : Identifiant d'un nouveau type valide, ou 0.                  * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +GType built_dynamic_type(GType parent, const char *name, GClassInitFunc init, gconstpointer data) +{ +    GType result;                           /* Identifiant à retourner     */ + +    result = g_type_from_name(name); + +    if (result == 0) +        result = g_dynamic_types_register_type(_chrysalide_dtypes, parent, name, init, data); + +    return result; + +} diff --git a/src/plugins/dt.h b/src/plugins/dt.h new file mode 100644 index 0000000..b9d4656 --- /dev/null +++ b/src/plugins/dt.h @@ -0,0 +1,47 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * dt.h - prototypes pour la possibilité de créer de nouveaux types de façon dynamique + * + * Copyright (C) 2018 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>. + */ + + +#ifndef _PLUGINS_DT_H +#define _PLUGINS_DT_H + + +#include <glib-object.h> +#include <stdbool.h> + + + +/* ----------------------- ACCOMPAGNEMENTS DES NOUVEAUX TYPES ----------------------- */ + + +/* Lance le support de dérivations de types dans Chrysalide. */ +bool init_chrysalide_dynamic_types(void); + +/* Arrête le support de dérivations de types dans Chrysalide. */ +void exit_chrysalide_dynamic_types(void); + +/* Fournit un identifiant GLib pour un nouveau type. */ +GType built_dynamic_type(GType, const char *, GClassInitFunc, gconstpointer); + + + +#endif  /* _PLUGINS_PYCHRYSALIDE_DT_H */ diff --git a/src/plugins/plugin-def.h b/src/plugins/plugin-def.h index 4c59606..b8cdca8 100644 --- a/src/plugins/plugin-def.h +++ b/src/plugins/plugin-def.h @@ -45,7 +45,7 @@ typedef uint32_t plugin_abi_version_t;  #define GET_ABI_MIN_VERSION(vs) ((vs >> 16) & 0xff)  #define GET_ABI_REV_VERSION(vs) (vs & 0xffff) -#define CURRENT_ABI_VERSION DEFINE_PLUGIN_ABI_VERSION(0, 1, 0) +#define CURRENT_ABI_VERSION DEFINE_PLUGIN_ABI_VERSION(0, 2, 0)  //#define HARD_CODE_CURRENT_ABI_VERSION const plugin_abi_version_t abi_version = CURRENT_ABI_VERSION @@ -223,6 +223,7 @@ typedef struct _plugin_interface      uint64_t magic;                         /* Vérification a minima       */      plugin_abi_version_t abi_version;       /* Version du protocole utilisé*/ +    const char *gtp_name;                   /* Désignation du GType associé*/      const char *name;                       /* Désignation humaine courte  */      const char *desc;                       /* Description plus loquace    */      const char *version;                    /* Version du greffon          */ @@ -253,12 +254,13 @@ typedef struct _plugin_interface  #define RL(...) BUILD_PG_LIST(.required, ((const char *[]){ __VA_ARGS__ })) -#define DEFINE_CHRYSALIDE_PLUGIN(n, d, v, r, a)                 \ +#define DEFINE_CHRYSALIDE_PLUGIN(t, n, d, v, r, a)              \  G_MODULE_EXPORT const plugin_interface _chrysalide_plugin = {   \                                                                  \      .magic = CHRYSALIDE_PLUGIN_MAGIC,                           \      .abi_version = CURRENT_ABI_VERSION,                         \                                                                  \ +    .gtp_name = t,                                              \      .name = n,                                                  \      .desc = d,                                                  \      .version = v,                                               \ @@ -271,12 +273,13 @@ G_MODULE_EXPORT const plugin_interface _chrysalide_plugin = {   \                                                                  \  } -#define DEFINE_CHRYSALIDE_CONTAINER_PLUGIN(n, d, v, r, a)       \ +#define DEFINE_CHRYSALIDE_CONTAINER_PLUGIN(t, n, d, v, r, a)    \  G_MODULE_EXPORT const plugin_interface _chrysalide_plugin = {   \                                                                  \      .magic = CHRYSALIDE_PLUGIN_MAGIC,                           \      .abi_version = CURRENT_ABI_VERSION,                         \                                                                  \ +    .gtp_name = t,                                              \      .name = n,                                                  \      .desc = d,                                                  \      .version = v,                                               \ @@ -291,8 +294,8 @@ G_MODULE_EXPORT const plugin_interface _chrysalide_plugin = {   \  /* Interfaçage primaire avec Chrysalide */ -#define DEFINE_CHRYSALIDE_ACTIVE_PLUGIN(n, d, v, ...)   \ -    DEFINE_CHRYSALIDE_PLUGIN(n, d, v, EMPTY_PG_LIST(.required), AL( __VA_ARGS__ )) +#define DEFINE_CHRYSALIDE_ACTIVE_PLUGIN(t, n, d, v, ...) \ +    DEFINE_CHRYSALIDE_PLUGIN(t, n, d, v, EMPTY_PG_LIST(.required), AL( __VA_ARGS__ )) diff --git a/src/plugins/plugin-int.h b/src/plugins/plugin-int.h index 2d98217..4746867 100644 --- a/src/plugins/plugin-int.h +++ b/src/plugins/plugin-int.h @@ -83,6 +83,14 @@ struct _GPluginModule      bitfield_t *dependencies;               /* Cartographie des dépendances*/ +}; + + +/* Greffon pour Chrysalide (classe) */ +struct _GPluginModuleClass +{ +    GObjectClass parent;                    /* A laisser en premier        */ +      pg_management_fc init;                  /* Procédure d'initialisation  */      pg_management_fc exit;                  /* Procédure d'extinction      */ @@ -104,14 +112,6 @@ struct _GPluginModule  }; -/* Greffon pour Chrysalide (classe) */ -struct _GPluginModuleClass -{ -    GObjectClass parent;                    /* A laisser en premier        */ - -}; - -  /* Présente dans le journal un message simple. */  void g_plugin_module_log_simple_message(const GPluginModule *, LogMessageType, const char *); diff --git a/src/plugins/plugin.c b/src/plugins/plugin.c index a9bd9da..ff3db31 100644 --- a/src/plugins/plugin.c +++ b/src/plugins/plugin.c @@ -35,6 +35,7 @@  #include <string.h> +#include "dt.h"  #include "pglist.h"  #include "plugin-int.h" @@ -52,6 +53,10 @@ static void g_plugin_module_dispose(GPluginModule *);  /* Procède à la libération totale de la mémoire. */  static void g_plugin_module_finalize(GPluginModule *); +/* Initialise la classe des greffons d'extension. */ +static void g_plugin_module_init_gclass(GPluginModuleClass *, GModule *); + +  /* Indique le type défini pour un greffon. */  G_DEFINE_TYPE(GPluginModule, g_plugin_module, G_TYPE_OBJECT); @@ -117,6 +122,7 @@ static void g_plugin_module_dispose(GPluginModule *plugin)      const plugin_interface *pg_iface;       /* Définition du greffon       */      size_t i;                               /* Boucle de parcours          */      GPluginModule *dependency;              /* Module nécessaire           */ +    GPluginModuleClass *class;              /* Classe de l'instance active */      pg_iface = g_plugin_module_get_interface(plugin); @@ -145,11 +151,16 @@ static void g_plugin_module_dispose(GPluginModule *plugin)      } -    if (plugin->exit != NULL) -        plugin->exit(plugin); +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    if (class->exit != NULL) +        class->exit(plugin);      if (plugin->module != NULL) +    {          g_module_close(plugin->module); +        plugin->module = NULL; +    }      G_OBJECT_CLASS(g_plugin_module_parent_class)->dispose(G_OBJECT(plugin)); @@ -195,25 +206,26 @@ static void g_plugin_module_finalize(GPluginModule *plugin)  GPluginModule *g_plugin_module_new(const gchar *filename)  {      GPluginModule *result;                  /* Structure à retourner       */ +    GModule *module;                        /* Abstration de manipulation  */ +    const plugin_interface *interface;      /* Déclaration d'interfaçage   */      plugin_abi_version_t current;           /* Version de l'ABI actuelle   */ +    bool valid;                             /* Statut de validité          */      size_t i;                               /* Boucle de parcours          */      uint32_t action;                        /* Identifiant d'une action    */      uint32_t category;                      /* Catégorie principale        */      uint32_t sub;                           /* Sous-catégorie visée        */ +    GType gtype;                            /* Nouveau type de greffon     */ -    result = g_object_new(G_TYPE_PLUGIN_MODULE, NULL); - -    result->filename = strdup(filename); - -    result->module = g_module_open(filename, G_MODULE_BIND_LAZY); -    if (result->module == NULL) +    module = g_module_open(filename, G_MODULE_BIND_LAZY); +    if (module == NULL)      {          log_variadic_message(LMT_ERROR,                                _("Error while loading the plugin candidate '%s' : %s"),                               filename, g_module_error()); -        goto bad_plugin; +        goto bad_module;      } +  #define load_plugin_symbol(mod, sym, dest)                                          \      ({                                                                              \          bool __result;                                                              \ @@ -221,7 +233,7 @@ GPluginModule *g_plugin_module_new(const gchar *filename)          {                                                                           \              log_variadic_message(LMT_ERROR,                                         \                                   _("No '%s' entry in plugin candidate '%s'"),       \ -                                 sym, result->filename);                            \ +                                 sym, filename);                                    \              __result = false;                                                       \          }                                                                           \          else __result = true;                                                       \ @@ -231,12 +243,12 @@ GPluginModule *g_plugin_module_new(const gchar *filename)      /* Récupération de la version d'ABI */ -    if (!load_plugin_symbol(result->module, "_chrysalide_plugin", &result->interface)) +    if (!load_plugin_symbol(module, "_chrysalide_plugin", &interface))          goto bad_plugin;      current = CURRENT_ABI_VERSION; -    if (current != result->interface->abi_version) +    if (current != interface->abi_version)      {          log_variadic_message(LMT_ERROR,                                _("ABI mismatch detected! Plugin '%s' rejected"), @@ -247,9 +259,20 @@ GPluginModule *g_plugin_module_new(const gchar *filename)      /* Localisation des différents points d'entrée déclarés */ -    for (i = 0; i < result->interface->actions_count; i++) + +#define check_plugin_symbol(mod, sym)                               \ +    ({                                                              \ +        bool __result;                                              \ +        __result = g_module_symbol(mod, sym, (gpointer []) { 0 });  \ +        __result;                                                   \ +    }) + + +    valid = true; + +    for (i = 0; i < interface->actions_count && valid; i++)      { -        action = result->interface->actions[i]; +        action = interface->actions[i];          category = MASK_PLUGIN_CATEGORY(action);          sub = MASK_PLUGIN_SUB_CATEGORY(action); @@ -267,21 +290,17 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                          switch (action)                          {                              case PGA_PLUGIN_INIT: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_init", &result->init)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_init");                                  break;                              case PGA_PLUGIN_EXIT: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_exit", &result->exit)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_exit");                                  break;                              default:                                  log_variadic_message(LMT_WARNING,                                                       _("Unknown action '0x%02x' in plugin '%s'..."), -                                                     result->interface->actions[i], filename); +                                                     interface->actions[i], filename);                                  break;                          } @@ -293,16 +312,13 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                          switch (action)                          {                              case PGA_NATIVE_LOADED: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_on_native_loaded", -                                                        &result->native_loaded)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_on_native_loaded");                                  break;                              default:                                  log_variadic_message(LMT_WARNING,                                                       _("Unknown action '0x%02x' in plugin '%s'..."), -                                                     result->interface->actions[i], filename); +                                                     interface->actions[i], filename);                                  break;                          } @@ -327,15 +343,13 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                          switch (action)                          {                              case PGA_GUI_THEME: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_include_theme", &result->include_theme)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_include_theme");                                  break;                              default:                                  log_variadic_message(LMT_WARNING,                                                       _("Unknown action '0x%02x' in plugin '%s'..."), -                                                     result->interface->actions[i], filename); +                                                     interface->actions[i], filename);                                  break;                          } @@ -361,23 +375,17 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                          {                              case PGA_CONTENT_EXPLORER:                              case PGA_CONTENT_RESOLVER: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_handle_binary_content", -                                                        &result->handle_content)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_handle_binary_content");                                  break;                              case PGA_CONTENT_ANALYZED: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_handle_loaded_content", -                                                        &result->handle_loaded)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_handle_loaded_content");                                  break;                              default:                                  log_variadic_message(LMT_WARNING,                                                       _("Unknown action '0x%02x' in plugin '%s'..."), -                                                     result->interface->actions[i], filename); +                                                     interface->actions[i], filename);                                  break;                          } @@ -392,28 +400,21 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                              case PGA_FORMAT_ANALYSIS_ENDED:                              case PGA_FORMAT_POST_ANALYSIS_STARTED:                              case PGA_FORMAT_POST_ANALYSIS_ENDED: -                                if (!load_plugin_symbol(result->module, -                                                        "handle_binary_format_analysis", -                                                        &result->handle_fmt_analysis)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "handle_binary_format_analysis");                                  break;                              case PGA_FORMAT_PRELOAD: -                                if (!load_plugin_symbol(result->module, -                                                        "preload_binary_format", &result->preload_format)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "preload_binary_format");                                  break;                              case PGA_FORMAT_ATTACH_DEBUG: -                                if (!load_plugin_symbol(result->module, -                                                        "chrysalide_plugin_attach_debug", &result->attach_debug)) -                                    goto bad_plugin; +                                valid = check_plugin_symbol(module, "chrysalide_plugin_attach_debug");                                  break;                              default:                                  log_variadic_message(LMT_WARNING,                                                       _("Unknown action '0x%02x' in plugin '%s'..."), -                                                     result->interface->actions[i], filename); +                                                     interface->actions[i], filename);                                  break;                          } @@ -421,15 +422,11 @@ GPluginModule *g_plugin_module_new(const gchar *filename)                          break;                      case DPS_DISASSEMBLY: -                        if (!load_plugin_symbol(result->module, -                                                "process_binary_disassembly", &result->process_disass)) -                            goto bad_plugin; +                        valid = check_plugin_symbol(module, "process_binary_disassembly");                          break;                      case DPS_DETECTION: -                        if (!load_plugin_symbol(result->module, -                                                "chrysalide_plugin_detect_external_tools", &result->detect)) -                            goto bad_plugin; +                        valid = check_plugin_symbol(module, "chrysalide_plugin_detect_external_tools");                          break;                      default: @@ -450,11 +447,29 @@ GPluginModule *g_plugin_module_new(const gchar *filename)      } +    if (!valid) +        goto bad_plugin; + +    gtype = built_dynamic_type(G_TYPE_PLUGIN_MODULE, interface->gtp_name, +                               (GClassInitFunc)g_plugin_module_init_gclass, module); + +    if (gtype == G_TYPE_INVALID) +        goto bad_plugin; + +    result = g_object_new(gtype, NULL); + +    result->filename = strdup(filename); +    result->module = module; + +    result->interface = interface; +      return result;   bad_plugin: -    g_object_unref(G_OBJECT(result)); +    g_module_close(module); + + bad_module:      return NULL; @@ -463,6 +478,212 @@ GPluginModule *g_plugin_module_new(const gchar *filename)  /******************************************************************************  *                                                                             * +*  Paramètres  : class  = classe à initialiser.                               * +*                module = module représentant le greffon chargé en mémoire.   * +*                                                                             * +*  Description : Initialise la classe des greffons d'extension.               * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_plugin_module_init_gclass(GPluginModuleClass *class, GModule *module) +{ +    const plugin_interface *interface;      /* Déclaration d'interfaçage   */ +    size_t i;                               /* Boucle de parcours          */ +    uint32_t action;                        /* Identifiant d'une action    */ +    uint32_t category;                      /* Catégorie principale        */ +    uint32_t sub;                           /* Sous-catégorie visée        */ + + +#undef load_plugin_symbol + +#define load_plugin_symbol(mod, sym, dest)                          \ +    ({                                                              \ +        bool __result;                                              \ +        __result = g_module_symbol(mod, sym, (gpointer *)dest);     \ +        assert(__result);                                           \ +        __result;                                                   \ +    }) + + +    load_plugin_symbol(module, "_chrysalide_plugin", &interface); + +    for (i = 0; i < interface->actions_count; i++) +    { +        action = interface->actions[i]; +        category = MASK_PLUGIN_CATEGORY(action); +        sub = MASK_PLUGIN_SUB_CATEGORY(action); + +        switch (category) +        { +            case DPC_BASIC: + +                switch (sub) +                { +                    case DPS_NONE: +                        break; + +                    case DPS_PG_MANAGEMENT: + +                        switch (action) +                        { +                            case PGA_PLUGIN_INIT: +                                load_plugin_symbol(module, "chrysalide_plugin_init", &class->init); +                                break; + +                            case PGA_PLUGIN_EXIT: +                                load_plugin_symbol(module, "chrysalide_plugin_exit", &class->exit); +                                break; + +                            default: +                                assert(false); +                                break; + +                        } + +                        break; + +                    case DPS_CORE_MANAGEMENT: + +                        switch (action) +                        { +                            case PGA_NATIVE_LOADED: +                                load_plugin_symbol(module, "chrysalide_plugin_on_native_loaded", +                                                   &class->native_loaded); +                                break; + +                            default: +                                assert(false); +                                break; + +                        } + +                        break; + +                    default: +                        assert(false); +                        break; + +                } + +                break; + +            case DPC_GUI: + +                switch (sub) +                { +                    case DPS_SETUP: + +                        switch (action) +                        { +                            case PGA_GUI_THEME: +                                load_plugin_symbol(module, "chrysalide_plugin_include_theme", +                                                   &class->include_theme); +                                break; + +                            default: +                                assert(false); +                                break; + +                        } + +                        break; + +                    default: +                        assert(false); +                        break; + +                } + +                break; + +            case DPC_BINARY_PROCESSING: + +                switch (sub) +                { +                    case DPS_CONTENT: + +                        switch (action) +                        { +                            case PGA_CONTENT_EXPLORER: +                            case PGA_CONTENT_RESOLVER: +                                load_plugin_symbol(module, "chrysalide_plugin_handle_binary_content", +                                                   &class->handle_content); +                                break; + +                            case PGA_CONTENT_ANALYZED: +                                load_plugin_symbol(module, "chrysalide_plugin_handle_loaded_content", +                                                   &class->handle_loaded); +                                break; + +                            default: +                                assert(false); +                                break; + +                        } + +                        break; + +                    case DPS_FORMAT: + +                        switch (action) +                        { +                            case PGA_FORMAT_ANALYSIS_STARTED: +                            case PGA_FORMAT_ANALYSIS_ENDED: +                            case PGA_FORMAT_POST_ANALYSIS_STARTED: +                            case PGA_FORMAT_POST_ANALYSIS_ENDED: +                                load_plugin_symbol(module, "handle_binary_format_analysis", +                                                   &class->handle_fmt_analysis); +                                break; + +                            case PGA_FORMAT_PRELOAD: +                                load_plugin_symbol(module, "preload_binary_format", &class->preload_format); +                                break; + +                            case PGA_FORMAT_ATTACH_DEBUG: +                                load_plugin_symbol(module, "chrysalide_plugin_attach_debug", &class->attach_debug); +                                break; + +                            default: +                                assert(false); +                                break; + +                        } + +                        break; + +                    case DPS_DISASSEMBLY: +                        load_plugin_symbol(module, "process_binary_disassembly", &class->process_disass); +                        break; + +                    case DPS_DETECTION: +                        load_plugin_symbol(module, "chrysalide_plugin_detect_external_tools", &class->detect); +                        break; + +                    default: +                        assert(false); +                        break; + +                } + +                break; + +            default: +                assert(false); +                break; + +        } + +    } + +} + + +/****************************************************************************** +*                                                                             *  *  Paramètres  : plugin = greffon à consulter.                                *  *                                                                             *  *  Description : Indique le fichier contenant le greffon manipulé.            * @@ -654,6 +875,7 @@ bool g_plugin_module_load(GPluginModule *plugin, GPluginModule **list, size_t co      const plugin_interface *pg_iface;       /* Définition du greffon       */      size_t i;                               /* Boucle de parcours          */      GPluginModule *dependency;              /* Module nécessaire           */ +    GPluginModuleClass *class;              /* Classe de l'instance active */      char *dir;                              /* Répertoire modifiable       */      /* Si un essai précédent a déjà échoué ou réussi... */ @@ -689,9 +911,11 @@ bool g_plugin_module_load(GPluginModule *plugin, GPluginModule **list, size_t co      if (result)      { -        if (plugin->init != NULL) +        class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +        if (class->init != NULL)          { -            result = plugin->init(plugin); +            result = class->init(plugin);              if (!result)              { @@ -810,7 +1034,11 @@ void g_plugin_module_log_variadic_message(const GPluginModule *plugin, LogMessag  void g_plugin_module_notify_native_loaded(GPluginModule *plugin, PluginAction action, void *unused)  { -    plugin->native_loaded(plugin, action); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->native_loaded(plugin, action);  } @@ -832,7 +1060,11 @@ void g_plugin_module_notify_native_loaded(GPluginModule *plugin, PluginAction ac  void g_plugin_module_include_theme(const GPluginModule *plugin, PluginAction action, char ***resources, size_t *count)  { -    plugin->include_theme(plugin, action, resources, count); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->include_theme(plugin, action, resources, count);  } @@ -855,7 +1087,11 @@ void g_plugin_module_include_theme(const GPluginModule *plugin, PluginAction act  void g_plugin_module_handle_binary_content(const GPluginModule *plugin, PluginAction action, GBinContent *content, wgroup_id_t wid, GtkStatusStack *status)  { -    return plugin->handle_content(plugin, action, content, wid, status); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->handle_content(plugin, action, content, wid, status);  } @@ -878,7 +1114,11 @@ void g_plugin_module_handle_binary_content(const GPluginModule *plugin, PluginAc  void g_plugin_module_handle_loaded_content(const GPluginModule *plugin, PluginAction action, GLoadedContent *content, wgroup_id_t wid, GtkStatusStack *status)  { -    return plugin->handle_loaded(plugin, action, content, wid, status); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    return class->handle_loaded(plugin, action, content, wid, status);  } @@ -901,7 +1141,11 @@ void g_plugin_module_handle_loaded_content(const GPluginModule *plugin, PluginAc  bool g_plugin_module_handle_binary_format_analysis(const GPluginModule *plugin, PluginAction action, GBinFormat *format, wgroup_id_t gid, GtkStatusStack *status)  { -    return plugin->handle_fmt_analysis(plugin, action, format, gid, status); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    return class->handle_fmt_analysis(plugin, action, format, gid, status);  } @@ -924,7 +1168,11 @@ bool g_plugin_module_handle_binary_format_analysis(const GPluginModule *plugin,  bool g_plugin_module_preload_binary_format(const GPluginModule *plugin, PluginAction action, GBinFormat *format, GPreloadInfo *info, GtkStatusStack *status)  { -    return plugin->preload_format(plugin, action, format, info, status); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    return class->preload_format(plugin, action, format, info, status);  } @@ -945,7 +1193,11 @@ bool g_plugin_module_preload_binary_format(const GPluginModule *plugin, PluginAc  void g_plugin_module_attach_debug_format(const GPluginModule *plugin, PluginAction action, GExeFormat *format)  { -    plugin->attach_debug(plugin, action, format); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->attach_debug(plugin, action, format);  } @@ -968,7 +1220,11 @@ void g_plugin_module_attach_debug_format(const GPluginModule *plugin, PluginActi  void g_plugin_module_process_disassembly_event(const GPluginModule *plugin, PluginAction action, GLoadedBinary *binary, GtkStatusStack *status, GProcContext *context)  { -    plugin->process_disass(plugin, action, binary, status, context); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->process_disass(plugin, action, binary, status, context);  } @@ -992,6 +1248,10 @@ void g_plugin_module_process_disassembly_event(const GPluginModule *plugin, Plug  void g_plugin_module_detect_external_tools(const GPluginModule *plugin, PluginAction action, const GLoadedContent *content, bool version, char ***names, size_t *count)  { -    plugin->detect(plugin, action, content, version, names, count); +    GPluginModuleClass *class;              /* Classe de l'instance active */ + +    class = G_PLUGIN_MODULE_GET_CLASS(plugin); + +    class->detect(plugin, action, content, version, names, count);  } diff --git a/src/plugins/plugin.h b/src/plugins/plugin.h index 4b3b306..cccd39b 100644 --- a/src/plugins/plugin.h +++ b/src/plugins/plugin.h @@ -59,12 +59,12 @@ typedef enum _PluginStatusFlags  #define BROKEN_PLUGIN_STATUS (PSF_UNKNOW_DEP | PSF_DEP_LOOP | PSF_FAILURE) -#define G_TYPE_PLUGIN_MODULE                (g_plugin_module_get_type()) -#define G_PLUGIN_MODULE(obj)                (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_PLUGIN_MODULE, GPluginModule)) -#define G_IS_PLUGIN_MODULE(obj)             (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_PLUGIN_MODULE)) -#define G_PLUGIN_MODULE_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_PLUGIN_MODULE, GPluginModuleClass)) -#define G_IS_PLUGIN_MODULE_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_PLUGIN_MODULE)) -#define G_PLUGIN_MODULE_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_PLUGIN_MODULE, GPluginModuleClass)) +#define G_TYPE_PLUGIN_MODULE            (g_plugin_module_get_type()) +#define G_PLUGIN_MODULE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_PLUGIN_MODULE, GPluginModule)) +#define G_IS_PLUGIN_MODULE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_PLUGIN_MODULE)) +#define G_PLUGIN_MODULE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_PLUGIN_MODULE, GPluginModuleClass)) +#define G_IS_PLUGIN_MODULE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_PLUGIN_MODULE)) +#define G_PLUGIN_MODULE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_PLUGIN_MODULE, GPluginModuleClass))  /* Indique le type défini pour un greffon. */  | 
