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authorChristophe Grenier <grenier@cgsecurity.org>2015-09-03 07:41:52 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2015-09-03 07:41:52 +0200
commit66c666607b135c6b1aca9d28c417921a2d6bdad0 (patch)
tree7d2540ae8c757fdbc1cb968f0527f9ed20e004bc /src/file_ds_store.c
parent730bbbe88e3e344c55310e3a78f4fc204b5ad5d4 (diff)
PhotoRec: recover Apple Desktop Services Store DS_Store files
Diffstat (limited to 'src/file_ds_store.c')
-rw-r--r--src/file_ds_store.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/file_ds_store.c b/src/file_ds_store.c
new file mode 100644
index 0000000..ba23b46
--- /dev/null
+++ b/src/file_ds_store.c
@@ -0,0 +1,72 @@
+/*
+
+ File: file_ds_store.c
+
+ Copyright (C) 2015 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"
+#include "common.h"
+
+static void register_header_check_ds_store(file_stat_t *file_stat);
+
+const file_hint_t file_hint_ds_store= {
+ .extension="DS_Store",
+ .description="Apple Desktop Services Store",
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_ds_store
+};
+
+struct ds_store_header
+{
+ uint32_t magic1;
+ uint32_t magic;
+ uint32_t offset;
+ uint32_t size;
+ uint32_t offset2;
+ char unk2[16];
+};
+
+static int header_check_ds_store(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 struct ds_store_header *hdr=(const struct ds_store_header *)buffer;
+ if(hdr->offset!=hdr->offset2)
+ return 0;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_ds_store.extension;
+ file_recovery_new->min_filesize=be32(hdr->offset)+be32(hdr->size);
+ return 1;
+}
+
+static void register_header_check_ds_store(file_stat_t *file_stat)
+{
+ static const unsigned char ds_store_header[8]= {
+ 0x00, 0x00, 0x00, 0x01, 'B' , 'u' , 'd' , '1'
+ };
+ register_header_check(0, ds_store_header, sizeof(ds_store_header), &header_check_ds_store, file_stat);
+}