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/* Chrysalide - Outil d'analyse de fichiers binaires
* header.c - annotation des en-têtes de binaires DEX
*
* Copyright (C) 2016-2017 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include "header.h"
#include <i18n.h>
#include <format/dex/dex_def.h>
#include <plugins/fmtp/parser.h>
/* Définition des champs */
static fmt_field_def _dex_header[] = {
{
.name = "magic",
.size = MDS_8_BITS,
.repeat = DEX_FILE_MAGIC_LEN ,
DISPLAY_RULES(IOD_CHAR, IOD_CHAR, IOD_CHAR, IOD_HEX, IOD_CHAR, IOD_CHAR, IOD_CHAR, IOD_HEX),
PLAIN_COMMENT(__("DEX magic number"))
},
{
.name = "checksum",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("adler32 checksum used to detect file corruption"))
},
{
.name = "signature",
.size = MDS_32_BITS,
.repeat = 5,
PLAIN_COMMENT(__("SHA-1 signature used to uniquely identify files"))
},
{
.name = "file_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Size of the entire file in bytes"))
},
{
.name = "header_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Size of the header in bytes"))
},
{
.name = "endian_tag",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Endianness tag ; 0x12345678 for little-endian"))
},
{
.name = "link_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Size of the link section"))
},
{
.name = "link_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the link section"))
},
{
.name = "map_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the map item"))
},
{
.name = "string_ids_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of strings in the string identifiers list"))
},
{
.name = "string_ids_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the string identifiers list"))
},
{
.name = "type_ids_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of elements in the type identifiers list"))
},
{
.name = "type_ids_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the type identifiers list"))
},
{
.name = "proto_ids_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of elements in the prototype identifiers list"))
},
{
.name = "proto_ids_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the prototype identifiers list"))
},
{
.name = "field_ids_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of elements in the field identifiers list"))
},
{
.name = "field_ids_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the field identifiers list"))
},
{
.name = "method_ids_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of elements in the method identifiers list"))
},
{
.name = "method_ids_off",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Offset to the method identifiers list"))
},
{
.name = "class_defs_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Count of elements in the class definitions list"))
},
{
.name = "class_defs_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the class definitions list"))
},
{
.name = "data_size",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Size of data section in bytes"))
},
{
.name = "data_off",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Offset to the start of the data section"))
}
};
/******************************************************************************
* *
* Paramètres : format = description de l'exécutable à compléter. *
* info = informations à constituer en avance de phase. *
* *
* Description : Charge tous les symboles de l'en-tête DEX. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool annotate_dex_header(GDexFormat *format, GPreloadInfo *info)
{
bool result; /* Bilan à retourner */
vmpa2t pos; /* Tête de lecture des symboles*/
result = g_exe_format_translate_offset_into_vmpa(G_EXE_FORMAT(format), 0, &pos);
if (result)
result = parse_field_definitions(PARSING_DEFS(_dex_header), G_BIN_FORMAT(format), info, &pos, NULL);
return result;
}
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