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authorChristophe Grenier <grenier@cgsecurity.org>2016-02-21 10:37:48 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2016-02-21 10:37:48 +0100
commit69e442c2f004ecdae61e9223d1259e3aeb010c0b (patch)
tree9014aa7fc9bb04b5b68c2314d9b2b72e8528b946 /src/file_dst.c
parentd2bbd477d88c5a58fcd2071ccb47b27fdf07618e (diff)
PhotoRec: recover Tajima .dst files
Diffstat (limited to 'src/file_dst.c')
-rw-r--r--src/file_dst.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/file_dst.c b/src/file_dst.c
new file mode 100644
index 0000000..38a2e5e
--- /dev/null
+++ b/src/file_dst.c
@@ -0,0 +1,64 @@
+/*
+
+ File: file_dst.c
+
+ Copyright (C) 2016 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_dst(file_stat_t *file_stat);
+
+const file_hint_t file_hint_dst= {
+ .extension="dst",
+ .description="Tajima",
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_dst
+};
+
+static int header_check_dst(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)
+{
+ unsigned int stitch_count=0;
+ if(memcmp(buffer, "LA:",3)!=0 || memcmp(&buffer[30], "\rCO:", 4)!=0)
+ return 0;
+ if(sscanf((const char *) &buffer[23], "%u", &stitch_count) < 0)
+ return 0;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_dst.extension;
+ /* https://community.kde.org/Projects/Liberty/File_Formats/Tajima_Ternary */
+ /* The header is 512 bytes */
+ file_recovery_new->calculated_file_size=512 + 3*stitch_count;
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+}
+
+static void register_header_check_dst(file_stat_t *file_stat)
+{
+ register_header_check(0x13, "\rST:", 4, &header_check_dst, file_stat);
+}