testdisk/src/file_dmp.c
2021-06-06 17:59:42 +02:00

70 lines
2.3 KiB
C

/*
File: file_dmp.c
Copyright (C) 2011 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#if !defined(SINGLE_FORMAT) || defined(SINGLE_FORMAT_dmp)
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include "types.h"
#include "filegen.h"
/*@ requires valid_register_header_check(file_stat); */
static void register_header_check_dmp(file_stat_t *file_stat);
const file_hint_t file_hint_dmp= {
.extension="dmp",
.description="Oracle Dump (export)",
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_dmp
};
/*@
@ requires buffer_size >= 12;
@ requires separation: \separated(&file_hint_dmp, buffer+(..), file_recovery, file_recovery_new);
@ requires valid_header_check_param(buffer, buffer_size, safe_header_only, file_recovery, file_recovery_new);
@ ensures valid_header_check_result(\result, file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_dmp(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
if(buffer[11] < '0' || buffer[11] > '9')
return 0;
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_dmp.extension;
return 1;
}
static void register_header_check_dmp(file_stat_t *file_stat)
{
static const unsigned char dmp_header[11]= {
0x03, 0x00, 0x01, 'E', 'X', 'P', 'O', 'R',
'T', ':', 'V'
};
register_header_check(0, dmp_header, sizeof(dmp_header), &header_check_dmp, file_stat);
}
#endif