PhotoRec: recover Nintendo DS Game ROM Image .nds

src/Makefile.am

@@ -140,6 +140,7 @@ file_C			= filegen.c \
 			  file_mus.c \
 			  file_mxf.c \
 			  file_mysql.c \
+			  file_nds.c \
 			  file_njx.c \
 			  file_nk2.c \
 			  file_ogg.c \

src/file_list.c

@@ -143,6 +143,7 @@ extern const file_hint_t file_hint_mrw;
 extern const file_hint_t file_hint_mus;
 extern const file_hint_t file_hint_mxf;
 extern const file_hint_t file_hint_mysql;
+extern const file_hint_t file_hint_nds;
 extern const file_hint_t file_hint_njx;
 extern const file_hint_t file_hint_nk2;
 extern const file_hint_t file_hint_ogg;
@@ -336,6 +337,7 @@ file_enable_t list_file_enable[]=
   { .enable=0, .file_hint=&file_hint_mus  },
   { .enable=0, .file_hint=&file_hint_mysql },
   { .enable=0, .file_hint=&file_hint_mxf  },
+  { .enable=0, .file_hint=&file_hint_nds  },
   { .enable=0, .file_hint=&file_hint_njx  },
   { .enable=0, .file_hint=&file_hint_nk2  },
   { .enable=0, .file_hint=&file_hint_ogg  },

src/file_nds.c

@@ -0,0 +1,64 @@
+/*
+
+    File: file_nds.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 "types.h"
+#include "filegen.h"
+
+static void register_header_check_nds(file_stat_t *file_stat);
+static int header_check_nds(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_nds= {
+  .extension="nds",
+  .description="Nintendo DS Game ROM Image",
+  .min_header_distance=0,
+  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+  .recover=1,
+  .enable_by_default=1,
+  .register_header_check=&register_header_check_nds
+};
+
+static const unsigned char nds_header[6]=  {
+  0x24, 0xff, 0xae, 0x51, 0x69, 0x9a
+};
+
+static void register_header_check_nds(file_stat_t *file_stat)
+{
+  register_header_check(0xc0, nds_header, sizeof(nds_header), &header_check_nds, file_stat);
+}
+
+static int header_check_nds(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[0xc0], nds_header, sizeof(nds_header))==0)
+  {
+    reset_file_recovery(file_recovery_new);
+    file_recovery_new->extension=file_hint_nds.extension;
+    return 1;
+  }
+  return 0;
+}