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authorChristophe Grenier <grenier@cgsecurity.org>2011-07-15 07:26:44 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2011-07-15 07:26:44 +0200
commitc2c2ec124c025bde6446cec01fbd272c3fb9e36a (patch)
tree32f67577c8324f5ce2b1a49f9b873815335a0431
parenta3a6d6a8eb4b52455e67990fbf43766ac508fef8 (diff)
PhotoRec: recover Didson Data File .ddf (v3 and v4)
-rw-r--r--src/Makefile.am1
-rw-r--r--src/file_ddf.c85
-rw-r--r--src/file_list.c2
3 files changed, 88 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index d6c3489..2487955 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -68,6 +68,7 @@ file_C = filegen.c \
file_dat.c \
file_dbf.c \
file_dbn.c \
+ file_ddf.c \
file_dex.c \
file_dim.c \
file_dir.c \
diff --git a/src/file_ddf.c b/src/file_ddf.c
new file mode 100644
index 0000000..63335f7
--- /dev/null
+++ b/src/file_ddf.c
@@ -0,0 +1,85 @@
+/*
+
+ File: file_ddf.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>
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#include "types.h"
+#include "filegen.h"
+
+static void register_header_check_ddf(file_stat_t *file_stat);
+
+const file_hint_t file_hint_ddf= {
+ .extension="ddf",
+ .description="Didson Data File",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_ddf
+};
+
+static const unsigned char ddf3_header[4]= {
+ 'D' , 'D' , 'F' , 0x03
+};
+static const unsigned char ddf4_header[4]= {
+ 'D' , 'D' , 'F' , 0x04
+};
+
+static int header_check_ddf(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, ddf3_header, sizeof(ddf3_header))==0 ||
+ memcmp(buffer, ddf4_header, sizeof(ddf4_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_ddf.extension;
+ if(buffer[0x43]=='-' && buffer[0x46]=='-' && buffer[0x49]=='_')
+ {
+ struct tm tm_time;
+ memset(&tm_time, 0, sizeof(tm_time));
+ tm_time.tm_sec=(buffer[0x4e]-'0')*10+(buffer[0x4f]-'0'); /* seconds 0-59 */
+ tm_time.tm_min=(buffer[0x4c]-'0')*10+(buffer[0x4d]-'0'); /* minutes 0-59 */
+ tm_time.tm_hour=(buffer[0x4a]-'0')*10+(buffer[0x4b]-'0'); /* hours 0-23*/
+ tm_time.tm_mday=(buffer[0x47]-'0')*10+(buffer[0x48]-'0'); /* day of the month 1-31 */
+ tm_time.tm_mon=(buffer[0x44]-'0')*10+(buffer[0x45]-'0')-1; /* month 0-11 */
+ tm_time.tm_year=(buffer[0x3f]-'0')*1000+(buffer[0x40]-'0')*100+
+ (buffer[0x41]-'0')*10+(buffer[0x42]-'0')-1900; /* year */
+ tm_time.tm_isdst = -1; /* unknown daylight saving time */
+ file_recovery_new->time=mktime(&tm_time);
+ }
+ return 1;
+ }
+ return 0;
+}
+
+static void register_header_check_ddf(file_stat_t *file_stat)
+{
+ register_header_check(0, ddf3_header, sizeof(ddf3_header), &header_check_ddf, file_stat);
+ register_header_check(0, ddf4_header, sizeof(ddf4_header), &header_check_ddf, file_stat);
+}
diff --git a/src/file_list.c b/src/file_list.c
index aecbcc4..a21fc2c 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -70,6 +70,7 @@ extern const file_hint_t file_hint_d2s;
extern const file_hint_t file_hint_dat;
extern const file_hint_t file_hint_dbf;
extern const file_hint_t file_hint_dbn;
+extern const file_hint_t file_hint_ddf;
extern const file_hint_t file_hint_dex;
extern const file_hint_t file_hint_dim;
extern const file_hint_t file_hint_dir;
@@ -304,6 +305,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_dat },
{ .enable=0, .file_hint=&file_hint_dbf },
{ .enable=0, .file_hint=&file_hint_dbn },
+ { .enable=0, .file_hint=&file_hint_ddf },
{ .enable=0, .file_hint=&file_hint_dex },
{ .enable=0, .file_hint=&file_hint_dim },
{ .enable=0, .file_hint=&file_hint_dir },