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authorChristophe Grenier <grenier@cgsecurity.org>2011-01-05 08:39:47 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2011-01-05 08:39:47 +0100
commit26f724eacd72e64f48db2aa6dda6718b6c446a6b (patch)
tree71c6043336b26d4b6f44a36bb48590324dcf11b7 /src/file_torrent.c
parent81d7299dd00969320a64e15907d25c3a9e1ac8bb (diff)
PhotoRec: recover Torrent files
Diffstat (limited to 'src/file_torrent.c')
-rw-r--r--src/file_torrent.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/file_torrent.c b/src/file_torrent.c
new file mode 100644
index 0000000..99c1ea0
--- /dev/null
+++ b/src/file_torrent.c
@@ -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;
+}
+