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/* Chrysalide - Outil d'analyse de fichiers binaires
* symbols.c - gestion des symboles d'un PE
*
* Copyright (C) 2010 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* 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 "symbols.h"
#include "pe-int.h"
/******************************************************************************
* *
* Paramètres : format = description de l'exécutable à compléter. *
* *
* Description : Charge en mémoire la liste humaine des symboles importés. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool load_pe_imported_symbols(GPeFormat *format)
{
bool result; /* Bilan à retourner */
const image_data_directory *directory; /* Répertoire original */
image_import_descriptor dll; /* DLL importée */
off_t pos; /* Position de tête de lecture */
off_t i; /* Boucle de parcours */
image_import_by_name import; /* Fonction importée */
result = true;
directory = &format->nt_headers.optional_header.data_directory[IMAGE_DIRECTORY_ENTRY_IMPORT];
/* TODO : msg si size !% sizeof(...) */
for (pos = directory->virtual_address;
result && pos < (directory->virtual_address + directory->size); )
{
result = read_pe_image_import_descriptor(format, &pos, &dll);
printf("mod orig thunk :: 0x%08x\n", dll.original_first_thunk);
printf("mod name :: 0x%08x\n", dll.module_name);
printf("mod first thunk :: 0x%08x\n", dll.first_thunk);
i = dll.original_first_thunk;
/* TODO : i == 0 */
if (i == 0) continue;
while ((result = read_pe_image_import_by_name(format, &i, &import)))
{
if (import.hint == 0 && import.name == NULL)
break;
printf(" >> import '%s'\n", import.name);
}
}
lpis_exit:
return result;
}
/******************************************************************************
* *
* Paramètres : format = description de l'exécutable à compléter. *
* *
* Description : Charge en mémoire la liste humaine des symboles. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool load_pe_symbols(GPeFormat *format)
{
bool result; /* Bilan à retourner */
/* Symboles externes */
result = load_pe_imported_symbols(format);
/* Symboles internes */
return result;
}
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