PhotoRec: recover .TiVo video record

This commit is contained in:
Christophe Grenier 2011-06-17 08:30:44 +02:00
parent 6f1ec44b8d
commit e5805df2c0
3 changed files with 76 additions and 0 deletions

View file

@ -225,6 +225,7 @@ file_C = filegen.c \
file_tax.c \
file_tib.c \
file_tiff.c \
file_tivo.c \
file_torrent.c \
file_tph.c \
file_ttf.c \

View file

@ -227,6 +227,7 @@ extern const file_hint_t file_hint_tar;
extern const file_hint_t file_hint_tax;
extern const file_hint_t file_hint_tib;
extern const file_hint_t file_hint_tiff;
extern const file_hint_t file_hint_tivo;
extern const file_hint_t file_hint_torrent;
extern const file_hint_t file_hint_tph;
extern const file_hint_t file_hint_ts;
@ -456,6 +457,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_tax },
{ .enable=0, .file_hint=&file_hint_tib },
{ .enable=0, .file_hint=&file_hint_tiff },
{ .enable=0, .file_hint=&file_hint_tivo },
{ .enable=0, .file_hint=&file_hint_torrent },
{ .enable=0, .file_hint=&file_hint_tph },
{ .enable=0, .file_hint=&file_hint_ts },

73
src/file_tivo.c Normal file
View file

@ -0,0 +1,73 @@
/*
File: file_tivo.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.
*/
#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"
static void register_header_check_tivo(file_stat_t *file_stat);
const file_hint_t file_hint_tivo= {
.extension="TiVo",
.description="TiVo video record",
.min_header_distance=0,
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_tivo
};
static void file_check_tivo(file_recovery_t *file_recovery)
{
const unsigned char tivo_footer[8]= {
0x00, 0x00, 0x01, 0xb7, 0x00, 0x00, 0x01, 0xb9
};
file_search_footer(file_recovery, tivo_footer, sizeof(tivo_footer), 0);
}
static const unsigned char tivo_header[7]= {
'T' , 'i' , 'V' , 'o' , 0x00, 0x04, 0x00
};
static int header_check_tivo(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(memcmp(&buffer[0], tivo_header, sizeof(tivo_header))==0 &&
memcmp(&buffer[0x1c], "<?xml ", 6)==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_tivo.extension;
file_recovery_new->file_check=&file_check_tivo;
return 1;
}
return 0;
}
static void register_header_check_tivo(file_stat_t *file_stat)
{
register_header_check(0, tivo_header, sizeof(tivo_header), &header_check_tivo, file_stat);
}