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PhotoRec: recover Torrent files

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This commit is contained in:
Christophe Grenier 2011-01-05 08:39:47 +01:00
parent 81d7299dd0
commit 26f724eacd
3 changed files with 69 additions and 0 deletions
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1
src/Makefile.am
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@ -216,6 +216,7 @@ file_C = filegen.c \
file_tax.c \
file_tib.c \
file_tiff.c \
file_torrent.c \
file_tph.c \
file_ttf.c \
file_txt.c \

2
src/file_list.c
View file

@ -218,6 +218,7 @@ 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_torrent;
extern const file_hint_t file_hint_tph;
extern const file_hint_t file_hint_ttf;
extern const file_hint_t file_hint_txt;
@ -433,6 +434,7 @@ 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_torrent },
{ .enable=0, .file_hint=&file_hint_tph },
{ .enable=0, .file_hint=&file_hint_ttf },
{ .enable=0, .file_hint=&file_hint_fasttxt },

66
src/file_torrent.c Normal file
View file

@ -0,0 +1,66 @@
/*
File: file_torrent.c
Copyright (C) 2010 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_torrent(file_stat_t *file_stat);
static int header_check_torrent(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);
const file_hint_t file_hint_torrent= {
.extension="torrent",
.description="Torrent",
.min_header_distance=0,
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_torrent
};
static const unsigned char torrent_header[11]= {
'd' , '8' , ':', 'a' , 'n' , 'n' , 'o' , 'u' ,
'n' , 'c' , 'e'
};
static void register_header_check_torrent(file_stat_t *file_stat)
{
register_header_check(0, torrent_header, sizeof(torrent_header), &header_check_torrent, file_stat);
}
static int header_check_torrent(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], torrent_header, sizeof(torrent_header))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_torrent.extension;
return 1;
}
return 0;
}