diff options
Diffstat (limited to 'src/analysis/contents/encapsulated.c')
| -rw-r--r-- | src/analysis/contents/encapsulated.c | 195 |
1 files changed, 76 insertions, 119 deletions
diff --git a/src/analysis/contents/encapsulated.c b/src/analysis/contents/encapsulated.c index dadc0a5..e0e6ed1 100644 --- a/src/analysis/contents/encapsulated.c +++ b/src/analysis/contents/encapsulated.c @@ -28,7 +28,7 @@ #include <string.h> -#include "../content-int.h" +#include "encapsulated-int.h" #include "../db/misc/rlestr.h" #include "../storage/serialize-int.h" #include "../../common/extstr.h" @@ -38,40 +38,12 @@ /* -------------------------- ENSEMBLE DE DONNEES BINAIRES -------------------------- */ -/* Contenu de issu d'un contenu plus global (instance) */ -struct _GEncapsContent -{ - GObject parent; /* A laisser en premier */ - - GBinContent *base; /* Base offrant une extraction */ - char *path; /* Chemin vers le contenu ciblé*/ - GBinContent *endpoint; /* Contenu ciblé */ - - char *full_desc; /* Description de l'ensemble */ - char *desc; /* Description de l'ensemble */ - -}; - -/* Contenu de issu d'un contenu plus global (classe) */ -struct _GEncapsContentClass -{ - GObjectClass parent; /* A laisser en premier */ - -}; - - /* Initialise la classe des contenus de données encapsulés. */ static void g_encaps_content_class_init(GEncapsContentClass *); /* Initialise une instance de contenu de données encapsulé. */ static void g_encaps_content_init(GEncapsContent *); -/* Procède à l'initialisation de l'interface de sérialisation. */ -static void g_encaps_content_serializable_init(GSerializableObjectInterface *); - -/* Procède à l'initialisation de l'interface de lecture. */ -static void g_encaps_content_interface_init(GBinContentInterface *); - /* Supprime toutes les références externes. */ static void g_encaps_content_dispose(GEncapsContent *); @@ -80,7 +52,7 @@ static void g_encaps_content_finalize(GEncapsContent *); -/* ---------------------- INTERACTIONS AVEC UN CONTENU BINAIRE ---------------------- */ +/* --------------------- IMPLEMENTATION DES FONCTIONS DE CLASSE --------------------- */ /* Associe un ensemble d'attributs au contenu binaire. */ @@ -137,11 +109,6 @@ static bool g_encaps_content_read_uleb128(const GEncapsContent *, vmpa2t *, uleb /* Lit un nombre signé encodé au format LEB128. */ static bool g_encaps_content_read_leb128(const GEncapsContent *, vmpa2t *, leb128_t *); - - -/* -------------------- CONSERVATION ET RECHARGEMENT DES DONNEES -------------------- */ - - /* Charge un contenu depuis une mémoire tampon. */ static bool g_encaps_content_load(GEncapsContent *, GObjectStorage *, packed_buffer_t *); @@ -156,9 +123,7 @@ static bool g_encaps_content_store(const GEncapsContent *, GObjectStorage *, pac /* Indique le type défini par la GLib pour les contenus encapsulés. */ -G_DEFINE_TYPE_WITH_CODE(GEncapsContent, g_encaps_content, G_TYPE_OBJECT, - G_IMPLEMENT_INTERFACE(G_TYPE_BIN_CONTENT, g_encaps_content_interface_init) - G_IMPLEMENT_INTERFACE(G_TYPE_SERIALIZABLE_OBJECT, g_encaps_content_serializable_init)); +G_DEFINE_TYPE(GEncapsContent, g_encaps_content, G_TYPE_BIN_CONTENT); /****************************************************************************** @@ -176,88 +141,53 @@ G_DEFINE_TYPE_WITH_CODE(GEncapsContent, g_encaps_content, G_TYPE_OBJECT, static void g_encaps_content_class_init(GEncapsContentClass *klass) { GObjectClass *object; /* Autre version de la classe */ + GBinContentClass *content; /* Version parente de la classe*/ object = G_OBJECT_CLASS(klass); object->dispose = (GObjectFinalizeFunc/* ! */)g_encaps_content_dispose; object->finalize = (GObjectFinalizeFunc)g_encaps_content_finalize; -} - - -/****************************************************************************** -* * -* Paramètres : content = instance à initialiser. * -* * -* Description : Initialise une instance de contenu de données encapsulé. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_encaps_content_init(GEncapsContent *content) -{ - content->base = NULL; - content->path = NULL; - content->endpoint = NULL; - - content->full_desc = NULL; - content->desc = NULL; + content = G_BIN_CONTENT_CLASS(klass); -} - - -/****************************************************************************** -* * -* Paramètres : iface = interface GLib à initialiser. * -* * -* Description : Procède à l'initialisation de l'interface de lecture. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ + content->set_attribs = (set_content_attributes)g_encaps_content_set_attributes; + content->get_attribs = (get_content_attributes)g_encaps_content_get_attributes; -static void g_encaps_content_interface_init(GBinContentInterface *iface) -{ - iface->set_attribs = (set_content_attributes)g_encaps_content_set_attributes; - iface->get_attribs = (get_content_attributes)g_encaps_content_get_attributes; + content->get_root = (get_content_root_fc)g_encaps_content_get_root; - iface->get_root = (get_content_root_fc)g_encaps_content_get_root; + content->describe = (describe_content_fc)g_encaps_content_describe; - iface->describe = (describe_content_fc)g_encaps_content_describe; + content->compute_checksum = (compute_checksum_fc)g_encaps_content_compute_checksum; - iface->compute_checksum = (compute_checksum_fc)g_encaps_content_compute_checksum; + content->compute_size = (compute_size_fc)g_encaps_content_compute_size; + content->compute_start_pos = (compute_start_pos_fc)g_encaps_content_compute_start_pos; + content->compute_end_pos = (compute_end_pos_fc)g_encaps_content_compute_end_pos; - iface->compute_size = (compute_size_fc)g_encaps_content_compute_size; - iface->compute_start_pos = (compute_start_pos_fc)g_encaps_content_compute_start_pos; - iface->compute_end_pos = (compute_end_pos_fc)g_encaps_content_compute_end_pos; + content->seek = (seek_fc)g_encaps_content_seek; - iface->seek = (seek_fc)g_encaps_content_seek; + content->get_raw_access = (get_raw_access_fc)g_encaps_content_get_raw_access; - iface->get_raw_access = (get_raw_access_fc)g_encaps_content_get_raw_access; + content->read_raw = (read_raw_fc)g_encaps_content_read_raw; + content->read_u4 = (read_u4_fc)g_encaps_content_read_u4; + content->read_u8 = (read_u8_fc)g_encaps_content_read_u8; + content->read_u16 = (read_u16_fc)g_encaps_content_read_u16; + content->read_u32 = (read_u32_fc)g_encaps_content_read_u32; + content->read_u64 = (read_u64_fc)g_encaps_content_read_u64; - iface->read_raw = (read_raw_fc)g_encaps_content_read_raw; - iface->read_u4 = (read_u4_fc)g_encaps_content_read_u4; - iface->read_u8 = (read_u8_fc)g_encaps_content_read_u8; - iface->read_u16 = (read_u16_fc)g_encaps_content_read_u16; - iface->read_u32 = (read_u32_fc)g_encaps_content_read_u32; - iface->read_u64 = (read_u64_fc)g_encaps_content_read_u64; + content->read_uleb128 = (read_uleb128_fc)g_encaps_content_read_uleb128; + content->read_leb128 = (read_leb128_fc)g_encaps_content_read_leb128; - iface->read_uleb128 = (read_uleb128_fc)g_encaps_content_read_uleb128; - iface->read_leb128 = (read_leb128_fc)g_encaps_content_read_leb128; + content->load = (load_content_cb)g_encaps_content_load; + content->store = (store_content_cb)g_encaps_content_store; } /****************************************************************************** * * -* Paramètres : iface = interface GLib à initialiser. * +* Paramètres : content = instance à initialiser. * * * -* Description : Procède à l'initialisation de l'interface de sérialisation. * +* Description : Initialise une instance de contenu de données encapsulé. * * * * Retour : - * * * @@ -265,10 +195,14 @@ static void g_encaps_content_interface_init(GBinContentInterface *iface) * * ******************************************************************************/ -static void g_encaps_content_serializable_init(GSerializableObjectInterface *iface) +static void g_encaps_content_init(GEncapsContent *content) { - iface->load = (load_serializable_object_cb)g_encaps_content_load; - iface->store = (store_serializable_object_cb)g_encaps_content_store; + content->base = NULL; + content->path = NULL; + content->endpoint = NULL; + + content->full_desc = NULL; + content->desc = NULL; } @@ -337,30 +271,59 @@ static void g_encaps_content_finalize(GEncapsContent *content) GBinContent *g_encaps_content_new(GBinContent *base, const char *path, GBinContent *endpoint) { - GEncapsContent *result; /* Structure à retourner */ + GBinContent *result; /* Structure à retourner */ result = g_object_new(G_TYPE_ENCAPS_CONTENT, NULL); + if (!g_encaps_content_create(G_ENCAPS_CONTENT(result), base, path, endpoint)) + g_clear_object(&result); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : content = instance à initialiser pleinement. * +* base = contenu binaire d'où réaliser une extraction. * +* path = chemin vers le contenu finalement ciblé. * +* endpoint = contenu final rendu accessible. * +* * +* Description : Met en place un contenu de données brutes encapsulées. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool g_encaps_content_create(GEncapsContent *content, GBinContent *base, const char *path, GBinContent *endpoint) +{ + bool result; /* Bilan à retourner */ + g_object_ref(base); g_object_ref(endpoint); - result->base = base; - result->path = strdup(path); - result->endpoint = endpoint; + content->base = base; + content->path = strdup(path); + content->endpoint = endpoint; /* Description complète */ - result->full_desc = g_binary_content_describe(result->base, true); + content->full_desc = g_binary_content_describe(content->base, true); - result->full_desc = stradd(result->full_desc, G_DIR_SEPARATOR_S); + content->full_desc = stradd(content->full_desc, G_DIR_SEPARATOR_S); - result->full_desc = stradd(result->full_desc, path); + content->full_desc = stradd(content->full_desc, path); /* Description partielle */ - result->desc = strdup(path); + content->desc = strdup(path); + + result = true; - return G_BIN_CONTENT(result); + return result; } @@ -442,7 +405,7 @@ GBinContent *g_encaps_content_get_endpoint(const GEncapsContent *content) /* ---------------------------------------------------------------------------------- */ -/* INTERACTIONS AVEC UN CONTENU BINAIRE */ +/* IMPLEMENTATION DES FONCTIONS DE CLASSE */ /* ---------------------------------------------------------------------------------- */ @@ -554,11 +517,11 @@ static char *g_encaps_content_describe(const GEncapsContent *content, bool full) static void g_encaps_content_compute_checksum(GEncapsContent *content, GChecksum *checksum) { - GBinContentIface *iface; /* Interface utilisée */ + GBinContentClass *class; /* Classe de l'instance */ - iface = G_BIN_CONTENT_GET_IFACE(content->endpoint); + class = G_BIN_CONTENT_GET_CLASS(content); - iface->compute_checksum(content->endpoint, checksum); + class->compute_checksum(content->endpoint, checksum); } @@ -882,12 +845,6 @@ static bool g_encaps_content_read_leb128(const GEncapsContent *content, vmpa2t * } - -/* ---------------------------------------------------------------------------------- */ -/* CONSERVATION ET RECHARGEMENT DES DONNEES */ -/* ---------------------------------------------------------------------------------- */ - - /****************************************************************************** * * * Paramètres : content = élément GLib à constuire. * |