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authorChristophe Grenier <grenier@cgsecurity.org>2011-04-03 18:31:28 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2011-04-03 18:31:28 +0200
commit64107ac2138b2ced209114c8e44ed1a216f478fc (patch)
treea269efd7e52f42d0697bbb8747daad201638f32d /src/file_exs.c
parent5637313da87a510955af276bb50c0535c6f9d57f (diff)
PhotoRec: recover Apple Logic .exs
Diffstat (limited to 'src/file_exs.c')
-rw-r--r--src/file_exs.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/file_exs.c b/src/file_exs.c
new file mode 100644
index 0000000..db62090
--- /dev/null
+++ b/src/file_exs.c
@@ -0,0 +1,78 @@
+/*
+
+ File: file_exs.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>
+#include "types.h"
+#include "filegen.h"
+
+static void register_header_check_exs(file_stat_t *file_stat);
+
+const file_hint_t file_hint_exs= {
+ .extension="exs",
+ .description="Apple Logic",
+ .min_header_distance=0,
+ .max_filesize=1024*1024,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_exs
+};
+
+static void file_rename_exs(const char *old_filename)
+{
+ unsigned char buffer[512];
+ FILE *file;
+ int buffer_size;
+ if((file=fopen(old_filename, "rb"))==NULL)
+ return;
+ buffer_size=fread(buffer, 1, sizeof(buffer), file);
+ fclose(file);
+ file_rename(old_filename, buffer, buffer_size, 0x14, "exs", 0);
+}
+
+static const unsigned char exs_header[8]= {
+ 0x01, 0x01, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00
+};
+
+static int header_check_exs(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], exs_header, sizeof(exs_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_exs.extension;
+ file_recovery_new->file_rename=file_rename_exs;
+ return 1;
+ }
+ return 0;
+}
+
+static void register_header_check_exs(file_stat_t *file_stat)
+{
+ register_header_check(0, exs_header, sizeof(exs_header), &header_check_exs, file_stat);
+}
+
+