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-rw-r--r--src/plugins/overjump/Makefile.am17
-rw-r--r--src/plugins/overjump/overjump.c313
-rw-r--r--src/plugins/overjump/overjump.h50
3 files changed, 380 insertions, 0 deletions
diff --git a/src/plugins/overjump/Makefile.am b/src/plugins/overjump/Makefile.am
new file mode 100644
index 0000000..1101c34
--- /dev/null
+++ b/src/plugins/overjump/Makefile.am
@@ -0,0 +1,17 @@
+
+lib_LTLIBRARIES = libpluginoverjump.la
+
+libpluginoverjump_la_SOURCES = \
+ overjump.h overjump.c
+
+libpluginoverjump_la_LDFLAGS = $(LIBGTK_LIBS) $(LIBXML_LIBS) $(LIBPYTHON_LIBS) \
+ -L../../panel/.libs -lpanel
+
+
+INCLUDES = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS)
+
+AM_CPPFLAGS =
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
+
+SUBDIRS =
diff --git a/src/plugins/overjump/overjump.c b/src/plugins/overjump/overjump.c
new file mode 100644
index 0000000..f712979
--- /dev/null
+++ b/src/plugins/overjump/overjump.c
@@ -0,0 +1,313 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * overjump.c - greffon assurant un désassemblage pour les architectures Intel
+ *
+ * Copyright (C) 2009 Cyrille Bagard
+ *
+ * This file is part of OpenIDA.
+ *
+ * OpenIDA 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.
+ *
+ * OpenIDA 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 "overjump.h"
+
+
+#include <malloc.h>
+#include <stdlib.h>
+
+
+
+typedef uint64_t vmpa_t;
+
+
+
+
+/* Instance de désassemblage supportant les sauts */
+typedef struct _overjump_instance
+{
+ off_t bin_length; /* Taille des données brutes */
+ uint8_t *bin_data; /* Données binaires brutes */
+
+ exe_format *format; /* Format du binaire */
+ asm_processor *proc; /* Architecture du binaire */
+ disass_options *options; /* Options de désassemblage */
+
+ bin_part **parts; /* Parts binaires à ausculter */
+ size_t parts_count; /* Quantité de ces parts */
+
+} overjump_instance;
+
+
+/* Localise une adresse virtuelle donnée. */
+size_t get_bin_part_from_vmpa(overjump_instance *, vmpa_t, off_t *, off_t *, vmpa_t *);
+
+/* Désassemble une ou plusieures adresses virtuelles. */
+GRenderingLine *disassemble_address(overjump_instance *, vmpa_t, bool);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : ref = espace de référencement global. *
+* *
+* Description : Initialise le greffon pour le désassemblage Intel. *
+* *
+* Retour : true. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+overjump_instance *create_overjump_instance(openida_binary *binary)
+{
+ overjump_instance *result; /* Instance crée à renvoyer */
+
+ result = (overjump_instance *)calloc(1, sizeof(overjump_instance));
+
+ result->bin_data = get_openida_binary_data(binary, &result->bin_length);
+
+ result->format = get_openida_binary_format(binary);
+ result->proc = get_openida_binary_processor(binary);
+ result->options = get_openida_binary_options(binary);
+
+ result->parts = get_elf_default_code_parts(result->format, &result->parts_count);
+ qsort(result->parts, result->parts_count, sizeof(bin_part *), compare_bin_parts);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instance = instance personnalisée du greffon à manipuler. *
+* addr = adresse en mémoire recherchée. *
+* pos = position de la section à donner. [OUT] *
+* size = taille de la section à donner. [OUT] *
+* base = adresse virtuelle de la section à donner. [OUT] *
+* *
+* Description : Localise une adresse virtuelle donnée. *
+* *
+* Retour : Indice de la partie concernée, ou parts_count si non trouvée.*
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+size_t get_bin_part_from_vmpa(overjump_instance *instance, vmpa_t addr, off_t *pos, off_t *size, vmpa_t *base)
+{
+ size_t result; /* Indice à retourner */
+
+ for (result = 0; result < instance->parts_count; result++)
+ {
+ get_bin_part_values(instance->parts[result], pos, size, base);
+
+ if (*base <= addr && addr < (*base + *size))
+ break;
+
+ }
+
+ return result;
+
+}
+
+
+
+
+
+
+/******************************************************************************
+* *
+* Paramètres : instance = instance personnalisée du greffon à manipuler. *
+* addr = adresse en mémoire recherchée. *
+* onlyone = fixe une limite pour le désassemblage. *
+* *
+* Description : Désassemble une ou plusieures adresses virtuelles. *
+* *
+* Retour : Liste de lignes de rendu transcrites. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GRenderingLine *disassemble_address(overjump_instance *instance, vmpa_t addr, bool onlyone)
+{
+ GRenderingLine *result; /* Liste à retourner */
+ off_t pos; /* Début de partie concernée */
+ off_t size; /* Taille de cette partie */
+ vmpa_t base; /* Adresse de base de la partie*/
+ size_t index; /* Indice de la partie trouvée */
+
+
+
+ off_t start;
+
+ off_t npos;
+ uint64_t offset;
+
+
+
+
+ asm_instr *instr;
+ GRenderingLine *line;
+
+
+ result = NULL;
+
+ index = get_bin_part_from_vmpa(instance, addr, &pos, &size, &base);
+
+
+ start = pos + addr - base;
+ npos = 0;
+
+
+ offset = addr;
+
+
+ instr = decode_instruction(instance->proc, &instance->bin_data[start],
+ &npos, size, start, offset);
+
+
+ line = g_code_line_new(offset, instr, instance->options);
+ g_rendering_line_add_to_lines(&result, line);
+
+
+
+
+ return result;
+
+}
+
+
+
+
+
+
+/******************************************************************************
+* *
+* Paramètres : ref = espace de référencement global. *
+* *
+* Description : Initialise le greffon pour le désassemblage Intel. *
+* *
+* Retour : true. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool init_plugin(GObject *ref)
+{
+
+ printf("Init overjump\n");
+
+
+
+
+ return true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit une indication sur le type d'opération(s) menée(s). *
+* *
+* Retour : Description d'une action. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+G_MODULE_EXPORT PluginAction get_plugin_action(void)
+{
+ return PGA_DISASSEMBLE;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : binary = binaire dont le contenu est à désassembler. *
+* *
+* Description : S'occupe du désassemblage (pur) de code binaire. *
+* *
+* Retour : Lignes de code pour la représentation à insérer. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+G_MODULE_EXPORT GRenderingLine *disassemble_binary_parts(openida_binary *binary)
+{
+
+ GRenderingLine *result;
+ overjump_instance *instance;
+
+
+
+
+ off_t start;
+ off_t pos;
+ off_t len;
+
+ uint64_t base = 0;
+ uint64_t offset = 0;
+
+ GRenderingLine *line;
+
+ asm_instr *instr;
+
+ result = NULL;
+
+ instance = create_overjump_instance(binary);
+
+
+ result = disassemble_address(instance, get_exe_entry_point(instance->format), true);
+
+
+
+#if 0
+
+ get_bin_part_values(instance->parts[0], &pos, &len, &base);
+
+ /* Décodage des instructions */
+
+ start = pos;
+ pos = 0;
+
+
+ offset = base + pos;
+
+
+ instr = decode_instruction(instance->proc, &instance->bin_data[start], &pos, len, start, offset);
+
+
+ line = g_code_line_new(offset, instr, instance->options);
+ g_rendering_line_add_to_lines(&result, line);
+
+
+
+ disassemble_address(overjump_instance *instance, vmpa_t addr, bool onlyone);
+
+#endif
+
+
+ return result;
+
+}
+
+
diff --git a/src/plugins/overjump/overjump.h b/src/plugins/overjump/overjump.h
new file mode 100644
index 0000000..c7687d4
--- /dev/null
+++ b/src/plugins/overjump/overjump.h
@@ -0,0 +1,50 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * overjump.h - prototypes pour le greffon assurant un désassemblage pour les architectures Intel
+ *
+ * Copyright (C) 2009 Cyrille Bagard
+ *
+ * This file is part of OpenIDA.
+ *
+ * OpenIDA 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.
+ *
+ * OpenIDA 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 _PLUGINS_OVERJUMP_H
+#define _PLUGINS_OVERJUMP_H
+
+
+#include <glib-object.h>
+#include <gmodule.h>
+#include <stdbool.h>
+
+
+#include "../plugin-def.h"
+
+
+
+/* Initialise le greffon pour le désassemblage Intel. */
+bool init_plugin(GObject *);
+
+
+
+/* Fournit une indication sur le type d'opération(s) menée(s). */
+G_MODULE_EXPORT PluginAction get_plugin_action(void);
+
+/* S'occupe du désassemblage (pur) de code binaire. */
+G_MODULE_EXPORT GRenderingLine *disassemble_binary_parts(openida_binary *);
+
+
+
+#endif /* _PLUGINS_OVERJUMP_H */
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