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authorChristophe Grenier <grenier@cgsecurity.org>2009-01-14 22:22:29 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2009-01-14 22:22:29 +0100
commitd3eac641d81bfccd236ce12a581f04c50c76998a (patch)
treeec0fac103364e10e3b5db7f10ba6aee893041361 /src/file_hds.c
parent69e063359c5705ce1e6141e753801ae8352e7d1f (diff)
PhotoRec: recover .hds Parallels disk image and .mxf Material Exchange Format video
Diffstat (limited to 'src/file_hds.c')
-rw-r--r--src/file_hds.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/file_hds.c b/src/file_hds.c
new file mode 100644
index 0000000..b2d5d35
--- /dev/null
+++ b/src/file_hds.c
@@ -0,0 +1,77 @@
+/*
+
+ File: file_hds.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_hds(file_stat_t *file_stat);
+static int header_check_hds(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_hds= {
+ .extension="hds",
+ .description="Parallels disk image",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_hds
+};
+
+static const unsigned char hds_header[20]= {
+ 'W','i','t','h','o','u','t','F','r','e','e','S','p','a','c','e',
+ 0x02, 0x00, 0x00, 0x00
+};
+
+// always little-endian
+struct parallels_header {
+ char magic[16]; // "WithoutFreeSpace"
+ uint32_t version;
+ uint32_t heads;
+ uint32_t cylinders;
+ uint32_t tracks;
+ uint32_t catalog_entries;
+ uint32_t nb_sectors;
+ char padding[24];
+} __attribute__((packed));
+
+static void register_header_check_hds(file_stat_t *file_stat)
+{
+ register_header_check(0, hds_header,sizeof(hds_header), &header_check_hds, file_stat);
+}
+
+static int header_check_hds(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,hds_header,sizeof(hds_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_hds.extension;
+ return 1;
+ }
+ return 0;
+}