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authorChristophe Grenier <grenier@cgsecurity.org>2011-06-17 08:30:44 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2011-06-17 08:30:44 +0200
commite5805df2c0603454318f5b51f4953f11d19e40ba (patch)
treede5add21dacd96c7002905796566bebdbd42b021 /src/file_tivo.c
parent6f1ec44b8debc2c90aaca0d3ce558b718ccceb81 (diff)
PhotoRec: recover .TiVo video record
Diffstat (limited to 'src/file_tivo.c')
-rw-r--r--src/file_tivo.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/file_tivo.c b/src/file_tivo.c
new file mode 100644
index 0000000..0d2764d
--- /dev/null
+++ b/src/file_tivo.c
@@ -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);
+}