1 /*
2
3 File: file_dar.c
4
5 Copyright (C) 2011 Christophe GRENIER <grenier@cgsecurity.org>
6
7 This software is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write the Free Software Foundation, Inc., 51
19 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26 #ifdef HAVE_STRING_H
27 #include <string.h>
28 #endif
29 #include <stdio.h>
30 #include "types.h"
31 #include "filegen.h"
32
33 static void register_header_check_dar(file_stat_t *file_stat);
34
35 const file_hint_t file_hint_dar= {
36 .extension="dar",
37 .description="dar archive",
38 .max_filesize=PHOTOREC_MAX_FILE_SIZE,
39 .recover=1,
40 .enable_by_default=1,
41 .register_header_check=®ister_header_check_dar
42 };
43
header_check_dar(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)44 static int header_check_dar(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)
45 {
46 /* http://darbinding.sourceforge.net/specs/dar3.html */
47 if((buffer[0xe]=='N' || buffer[0xe]=='T') &&
48 (buffer[0xf]=='N' || buffer[0xf]=='S'))
49 {
50 reset_file_recovery(file_recovery_new);
51 file_recovery_new->extension=file_hint_dar.extension;
52 return 1;
53 }
54 return 0;
55 }
56
register_header_check_dar(file_stat_t * file_stat)57 static void register_header_check_dar(file_stat_t *file_stat)
58 {
59 static const unsigned char dar_header[4]= {
60 0, 0, 0, 0x7b
61 };
62 register_header_check(0, dar_header, sizeof(dar_header), &header_check_dar, file_stat);
63 }
64