1 /*
2
3 File: file_apa.c
4
5 Copyright (C) 2009 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 "common.h"
32 #include "filegen.h"
33
34 static void register_header_check_apa(file_stat_t *file_stat);
35 static int header_check_apa(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);
36
37 const file_hint_t file_hint_apa= {
38 .extension="apa",
39 .description="APA Style Helper",
40 .max_filesize=PHOTOREC_MAX_FILE_SIZE,
41 .recover=1,
42 .enable_by_default=1,
43 .register_header_check=®ister_header_check_apa
44 };
45
46 static const unsigned char apa_magic[16]= {
47 'c', 'o', 'm', '.', 'a', 'p', 'a', '.',
48 'D', 'o', 'c', 'u', 'm', 'e', 'n', 't'};
49
register_header_check_apa(file_stat_t * file_stat)50 static void register_header_check_apa(file_stat_t *file_stat)
51 {
52 register_header_check(8, apa_magic, sizeof(apa_magic), &header_check_apa, file_stat);
53 }
54
header_check_apa(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)55 static int header_check_apa(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)
56 {
57 if(memcmp(&buffer[8], apa_magic, sizeof(apa_magic))==0)
58 {
59 reset_file_recovery(file_recovery_new);
60 file_recovery_new->extension=file_hint_apa.extension;
61 return 1;
62 }
63 return 0;
64 }
65