PhotoRec: recover Filevault .sparseimage

1 files changed, 68 insertions, 0 deletions

diff --git a/src/file_filevault.c b/src/file_filevault.c
new file mode 100644
index 00000000..e928f524
--- /dev/null
+++ b/src/file_filevault.c
@@ -0,0 +1,68 @@
+/*
+
+    File: file_filevault.c
+
+    Copyright (C) 2011 Christophe GRENIER <[email protected]>
+  
+    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_filevault(file_stat_t *file_stat);
+static int header_check_filevault(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_filevault= {
+  .extension="sparseimage",
+  .description="Filevault",
+  .min_header_distance=0,
+  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+  .recover=1,
+  .enable_by_default=1,
+  .register_header_check=&register_header_check_filevault
+};
+
+static const unsigned char filevault_header[8]=  {
+  'e', 'n', 'c', 'r', 'c', 'd', 's', 'a'
+};
+
+static void register_header_check_filevault(file_stat_t *file_stat)
+{
+  register_header_check(0, filevault_header, sizeof(filevault_header), &header_check_filevault, file_stat);
+}
+
+static int header_check_filevault(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[0], filevault_header, sizeof(filevault_header))==0)
+  {
+    reset_file_recovery(file_recovery_new);
+#ifdef DJGPP
+    file_recovery_new->extension="img";
+#else
+    file_recovery_new->extension=file_hint_filevault.extension;
+#endif
+    return 1;
+  }
+  return 0;
+}