1 /*
2
3 File: file_drw.c
4
5 Copyright (C) 2008 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 <ctype.h>
31 #include "types.h"
32 #include "filegen.h"
33
34 static void register_header_check_drw(file_stat_t *file_stat);
35
36 const file_hint_t file_hint_drw= {
37 .extension="drw",
38 .description="Pro/ENGINEER Drawing",
39 .max_filesize=PHOTOREC_MAX_FILE_SIZE,
40 .recover=1,
41 .enable_by_default=1,
42 .register_header_check=®ister_header_check_drw
43 };
44
file_check_drw(file_recovery_t * file_recovery)45 static void file_check_drw(file_recovery_t *file_recovery)
46 {
47 const unsigned char drw_footer[11]= {
48 '#', 'E', 'N', 'D', '_', 'O', 'F', '_',
49 'U', 'G', 'C'};
50 file_search_footer(file_recovery, drw_footer, sizeof(drw_footer), 1);
51 }
52
header_check_drw(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)53 static int header_check_drw(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)
54 {
55 if(!isprint(buffer[14]) || !isprint(buffer[15]) || !isprint(buffer[16]) || !isprint(buffer[17]))
56 return 0;
57 reset_file_recovery(file_recovery_new);
58 file_recovery_new->file_check=&file_check_drw;
59 file_recovery_new->extension=file_hint_drw.extension;
60 return 1;
61 }
62
register_header_check_drw(file_stat_t * file_stat)63 static void register_header_check_drw(file_stat_t *file_stat)
64 {
65 static const unsigned char drw_header[14]= {
66 '#', 'U', 'G', 'C', ':', '2', ' ', 'D',
67 'R', 'A', 'W', 'I', 'N', 'G'};
68 register_header_check(0, drw_header,sizeof(drw_header), &header_check_drw, file_stat);
69 }
70