summaryrefslogtreecommitdiffstats
path: root/src/file_ifo.c
diff options
context:
space:
mode:
authorChristophe Grenier <grenier@cgsecurity.org>2008-05-19 00:02:39 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2008-05-19 00:02:39 +0200
commitec68166aca6c5a2f0fee4635c4f49f59aba5d235 (patch)
tree95cdd410bf928897b0c30bd20979f62dc666c311 /src/file_ifo.c
parent2d62f25b7f5da9b34e28a0e8ccbdd1ca1077ff1f (diff)
PhotoRec: recover DVD Video manager or title set .ifo
Diffstat (limited to 'src/file_ifo.c')
-rw-r--r--src/file_ifo.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/file_ifo.c b/src/file_ifo.c
new file mode 100644
index 0000000..b6cdb31
--- /dev/null
+++ b/src/file_ifo.c
@@ -0,0 +1,72 @@
+/*
+
+ File: file_ifo.c
+
+ Copyright (C) 2008 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
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "filegen.h"
+#include "log.h"
+
+static void register_header_check_ifo(file_stat_t *file_stat);
+static int header_check_ifo(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_ifo= {
+ .extension="ifo",
+ .description="DVD Video manager or title set",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_ifo
+};
+
+static const unsigned char ifo_header_vmg[12]= { 'D', 'V', 'D', 'V', 'I', 'D', 'E', 'O', '-', 'V', 'M', 'G'};
+static const unsigned char ifo_header_vts[12]= { 'D', 'V', 'D', 'V', 'I', 'D', 'E', 'O', '-', 'V', 'T', 'S'};
+
+static void register_header_check_ifo(file_stat_t *file_stat)
+{
+ register_header_check(0, ifo_header_vmg, sizeof(ifo_header_vmg), &header_check_ifo, file_stat);
+ register_header_check(0, ifo_header_vts, sizeof(ifo_header_vts), &header_check_ifo, file_stat);
+}
+
+
+static int header_check_ifo(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, ifo_header_vmg, sizeof(ifo_header_vmg))==0 ||
+ memcmp(buffer, ifo_header_vts, sizeof(ifo_header_vts))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_ifo.extension;
+ return 1;
+ }
+ return 0;
+}
+
+