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authorChristophe Grenier <grenier@cgsecurity.org>2009-07-06 21:29:19 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2009-07-06 21:29:19 +0200
commit391b7c18eccfdf4107f913a7cf77a00ef0dea703 (patch)
tree8a56b04f7d53b36616ca65d3d4453875fa50454e /src/file_r3d.c
parent9402c1cd650a710566e4565de82973ad5c6f056c (diff)
PhotoRec: recover RED r3d camera videos
Diffstat (limited to 'src/file_r3d.c')
-rw-r--r--src/file_r3d.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/file_r3d.c b/src/file_r3d.c
new file mode 100644
index 0000000..1ba402c
--- /dev/null
+++ b/src/file_r3d.c
@@ -0,0 +1,90 @@
+/*
+
+ File: file_r3d.c
+
+ Copyright (C) 2009 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 <ctype.h>
+#include "types.h"
+#include "filegen.h"
+#include "log.h"
+
+static void register_header_check_r3d(file_stat_t *file_stat);
+static int header_check_r3d(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);
+static void file_rename_r3d(const char *old_filename);
+
+const file_hint_t file_hint_r3d= {
+ .extension="r3d",
+ .description="RED r3d camera",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_r3d
+};
+
+static const unsigned char r3d_header[16]= {
+ 0x00, 0x00, 0x01, 'D' , 'R' , 'E' , 'D' , '1' ,
+ 0x04, 0x03, 'R' , '1' , 0x00, 0x00, 0xbb, 0x80
+};
+
+static void register_header_check_r3d(file_stat_t *file_stat)
+{
+ register_header_check(0, r3d_header, sizeof(r3d_header), &header_check_r3d, file_stat);
+}
+
+static int header_check_r3d(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, r3d_header, sizeof(r3d_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_r3d.extension;
+ file_recovery_new->file_rename=&file_rename_r3d;
+ return 1;
+ }
+ return 0;
+}
+
+static void file_rename_r3d(const char *old_filename)
+{
+ unsigned char buffer[512];
+ FILE *file;
+ int buffer_size;
+ unsigned int i;
+ if((file=fopen(old_filename, "rb"))==NULL)
+ return;
+ buffer_size=fread(buffer, 1, sizeof(buffer), file);
+ fclose(file);
+ if(buffer_size<10)
+ return;
+ for(i=0x43; i< buffer_size && buffer[i]!=0 && buffer[i]!='.'; i++)
+ {
+ log_info("%c", buffer[i]);
+ if(!isalnum(buffer[i]) && buffer[i]!='_')
+ return ;
+ }
+ file_rename(old_filename, buffer, i, 0x43);
+}