Begun to support PE binaries.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@47 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

5 files changed, 319 insertions, 1 deletions

diff --git a/src/format/Makefile.am b/src/format/Makefile.am
index 6f49822..67b3737 100644
--- a/src/format/Makefile.am
+++ b/src/format/Makefile.am
@@ -16,4 +16,4 @@ AM_CPPFLAGS =
 
 AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
 
-SUBDIRS = dwarf elf java
+SUBDIRS = dwarf elf java pe
diff --git a/src/format/pe/Makefile.am b/src/format/pe/Makefile.am
new file mode 100755
index 0000000..853e3f5
--- /dev/null
+++ b/src/format/pe/Makefile.am
@@ -0,0 +1,15 @@
+
+lib_LIBRARIES = libformatpe.a
+
+libformatpe_a_SOURCES =					\
+	e_pe.h e_pe.c						\
+	pe-int.h
+
+libformatpe_a_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = 
+
+AM_CPPFLAGS = 
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
diff --git a/src/format/pe/e_pe.c b/src/format/pe/e_pe.c
new file mode 100644
index 0000000..a10f075
--- /dev/null
+++ b/src/format/pe/e_pe.c
@@ -0,0 +1,138 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * e_pe.c - support du format Portable Executable
+ *
+ * Copyright (C) 2008 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 "e_pe.h"
+
+
+#include <malloc.h>
+#include <string.h>
+
+
+#include "pe-int.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : content = contenu binaire à parcourir.                       *
+*                length  = taille du contenu en question.                     *
+*                                                                             *
+*  Description : Indique si le format peut être pris en charge ici.           *
+*                                                                             *
+*  Retour      : true si la réponse est positive, false sinon.                *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool pe_is_matching(const uint8_t *content, off_t length)
+{
+    bool result;                            /* Bilan à faire connaître     */
+    image_dos_header dos_header;            /* En-tête DOS                 */
+
+    result = false;
+
+    if (length >= 2)
+    {
+        result = (strncmp((const char *)content, "\x4d\x5a" /* MZ */, 2) == 0);
+        result &= length >= sizeof(image_dos_header);
+    }
+
+    if (result)
+    {
+        memcpy(&dos_header, content, sizeof(image_dos_header));
+
+        result = length >= (dos_header.e_lfanew + 4);
+
+        result &= (strncmp((const char *)&content[dos_header.e_lfanew],
+                           "\x50\x45\x00\x00" /* PE00 */, 4) == 0);
+
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : content = contenu binaire à parcourir.                       *
+*                length  = taille du contenu en question.                     *
+*                                                                             *
+*  Description : Prend en charge une nouvelle classe PE.                      *
+*                                                                             *
+*  Retour      : Adresse de la structure mise en place ou NULL en cas d'échec.*
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+exe_format *load_pe(const uint8_t *content, off_t length)
+{
+    pe_format *result;                      /* Adresse à retourner         */
+    off_t pos;                              /* Point d'analyse             */
+
+    result = (pe_format *)calloc(1, sizeof(pe_format));
+
+    EXE_FORMAT(result)->content = content;
+    EXE_FORMAT(result)->length = length;
+
+    pos = 0;
+
+
+
+
+
+
+    return EXE_FORMAT(result);
+
+ ldp_error:
+
+    unload_pe(result);
+
+    return NULL;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : format = description de l'exécutable à supprimer.            *
+*                                                                             *
+*  Description : Efface la prise en charge une nouvelle classe PE.            *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void unload_pe(pe_format *format)
+{
+
+
+
+
+    free(format);
+
+}
diff --git a/src/format/pe/e_pe.h b/src/format/pe/e_pe.h
new file mode 100644
index 0000000..54820e2
--- /dev/null
+++ b/src/format/pe/e_pe.h
@@ -0,0 +1,47 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * e_pe.h - prototypes pour le support du format Portable Executable
+ *
+ * Copyright (C) 2008 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 _FORMAT_PE_E_PE_H
+#define _FORMAT_PE_E_PE_H
+
+
+#include "../exe_format.h"
+
+
+
+/* Description du format Pe */
+typedef struct _pe_format pe_format;
+
+
+/* Indique si le format peut être pris en charge ici. */
+bool pe_is_matching(const uint8_t *, off_t);
+
+/* Prend en charge une nouvelle classe PE. */
+exe_format *load_pe(const uint8_t *, off_t);
+
+/* Efface la prise en charge une nouvelle classe PE. */
+void unload_pe(pe_format *);
+
+
+
+#endif  /* _FORMAT_PE_E_PE_H */
diff --git a/src/format/pe/pe-int.h b/src/format/pe/pe-int.h
new file mode 100644
index 0000000..8b18055
--- /dev/null
+++ b/src/format/pe/pe-int.h
@@ -0,0 +1,118 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * pe-int.h - prototypes pour les structures internes du format Portable Executable
+ *
+ * Copyright (C) 2008 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 _FORMAT_PE_E_PE_INT_H
+#define _FORMAT_PE_E_PE_INT_H
+
+
+#include "../exe_format-int.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/* ---------------------------- DESCRIPTION DU FORMAT PE ---------------------------- */
+
+
+/* En-tête DOS */
+typedef struct _image_dos_header
+{
+    uint16_t e_magic;                       /* Numéro magique              */
+    uint16_t e_cblp;                        /* Octets de la dernière page  */
+    uint16_t e_cp;                          /* Pages dans le fichier       */
+    uint16_t e_crlc;                        /* Relocalisations             */
+    uint16_t e_cparhdr;                     /* Taille en paragraphes       */
+    uint16_t e_minalloc;                    /* Nb min de paragraphes requis*/
+    uint16_t e_maxalloc;                    /* Nb max de paragraphes requis*/
+    uint16_t e_ss;                          /* Valeur (relative) SS init.  */
+    uint16_t e_sp;                          /* Valeur SP initiale          */
+    uint16_t e_csum;                        /* Empreinte                   */
+    uint16_t e_ip;                          /* Valeur IP initiale          */
+    uint16_t e_cs;                          /* Valeur (relative) CS init.  */
+    uint16_t e_lfarlc;                      /* Position de table de reloc. */
+    uint16_t e_ovno;                        /* Nombre d'overlay            */
+    uint16_t e_res[4];                      /* Mots réservés               */
+    uint16_t e_oemid;                       /* Identifiant OEM             */
+    uint16_t e_oeminfo;                     /* Infos OEM pour e_oemid      */
+    uint16_t e_res2[10];                    /* Mots réservés               */
+    uint32_t e_lfanew;                      /* Décallage de bonne en-tête  */
+
+} image_dos_header;
+
+/* Archtecture supportées */
+#define IMAGE_FILE_MACHINE_I386     0x014c  /* x86                         */
+#define IMAGE_FILE_MACHINE_IA64     0x0200  /* Intel IPF                   */
+#define IMAGE_FILE_MACHINE_AMD64    0x8664  /* x64                         */
+
+/* Caractéristiques de l'image */
+#define IMAGE_FILE_RELOCS_STRIPPED      0x0001  /* Pas de relocalisation   */
+#define IMAGE_FILE_EXECUTABLE_IMAGE     0x0002  /* Fichier exécutable      */
+#define IMAGE_FILE_LINE_NUMS_STRIPPED   0x0004  /* Pas de ligne COFF       */
+#define IMAGE_FILE_LOCAL_SYMS_STRIPPED  0x0008  /* Pas de table de symboles COFF */
+#define IMAGE_FILE_AGGRESIVE_WS_TRIM    0x0010  /* Aggressively trim the working set. This value is obsolete as of Windows 2000. */
+#define IMAGE_FILE_LARGE_ADDRESS_AWARE  0x0020  /* Adressage > 2 Go        */
+#define IMAGE_FILE_BYTES_REVERSED_LO    0x0080  /* Octets inv. ; obsolète  */
+#define IMAGE_FILE_32BIT_MACHINE        0x0100  /* Machine 32 bits         */
+#define IMAGE_FILE_DEBUG_STRIPPED       0x0200  /* Pas d'infos de débogage */	
+#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP  0x0400  /* ...support amovible */
+#define IMAGE_FILE_NET_RUN_FROM_SWAP    0x0800  /* Ficher issu du réseau   */
+#define IMAGE_FILE_SYSTEM               0x1000  /* Fichier système         */
+#define IMAGE_FILE_DLL                  0x2000  /* Fichier DLL             */
+#define IMAGE_FILE_UP_SYSTEM_ONLY       0x4000  /* Mono-proc. seulement    */
+#define IMAGE_FILE_BYTES_REVERSED_HI    0x8000  /* Octets inv. ; obsolète  */
+
+/* Première en-tête du "vrai" format */
+typedef struct _image_file_header
+{
+    uint16_t machine;                       /* Type de machine visée       */
+    uint16_t number_of_sections;            /* Nombre de sections          */
+    uint32_t time_date_stamp;               /* Date de la liaison          */
+    uint32_t pointer_to_symbol_table;       /* Position de ladite table    */
+    uint32_t number_of_symbols;             /* Nombre de symboles          */
+    uint16_t size_of_optional_header;       /* Taille de l'en-tête n°2     */
+    uint16_t characteristics;               /* Propriétés de l'image       */
+
+} image_file_header;
+
+
+/* Description du format Portable Executable */
+struct _pe_format
+{
+
+    int a;
+
+
+};
+
+
+
+#endif  /* _FORMAT_PE_E_PE_INT_H */