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authorChristophe Grenier <grenier@cgsecurity.org>2010-03-16 22:00:08 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2010-03-16 22:00:08 +0100
commit6d17d9f8b4c2c6528ce489abee459bc00b5f94f0 (patch)
tree321430dc7488eaed819513b62cb0cb7af5066bb2 /src/file_myo.c
parent28db4a7d7771029933d4a0dc5abd7640ab890c84 (diff)
PhotoRec: recover Mind Your Own Business .myo files
Diffstat (limited to 'src/file_myo.c')
-rw-r--r--src/file_myo.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/file_myo.c b/src/file_myo.c
new file mode 100644
index 0000000..1043a53
--- /dev/null
+++ b/src/file_myo.c
@@ -0,0 +1,67 @@
+/*
+
+ File: file_myo.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_myo(file_stat_t *file_stat);
+static int header_check_myo(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_myo= {
+ .extension="myo",
+ .description="Mind Your Own Business",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_myo
+};
+
+static const unsigned char myo_header[6]= {
+ 'F', 'C', '!', 'D', 'E', 'F'
+};
+
+static void register_header_check_myo(file_stat_t *file_stat)
+{
+ register_header_check(0x9ce, myo_header, sizeof(myo_header), &header_check_myo, file_stat);
+}
+
+static int header_check_myo(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[0x9ce], myo_header, sizeof(myo_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_myo.extension;
+ file_recovery_new->calculated_file_size=(uint64_t)buffer[0]+(((uint64_t)buffer[1])<<8)+(((uint64_t)buffer[2])<<16)+(((uint64_t)buffer[3])<<24)+1;
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+ }
+ return 0;
+}