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authorChristophe Grenier <grenier@cgsecurity.org>2012-01-16 20:37:38 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2012-01-16 20:37:38 +0100
commit41859a7d2f25a3d479bd2069fed9ed2d36025306 (patch)
treee1fc4086a24ac4a2581f5e9fe9e7a15a71d93fc3 /src/wbfs.c
parent106fb14319f27da60ed76667a11bdae3fb4db057 (diff)
Recover WBFS (Wii Backup File System) partition
Diffstat (limited to 'src/wbfs.c')
-rw-r--r--src/wbfs.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/wbfs.c b/src/wbfs.c
new file mode 100644
index 0000000..d321e89
--- /dev/null
+++ b/src/wbfs.c
@@ -0,0 +1,101 @@
+/*
+
+ File: wbfs.c
+
+ Copyright (C) 2012 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_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "common.h"
+#include "fnctdsk.h"
+#include "log.h"
+#include "wbfs.h"
+
+static int test_WBFS(disk_t *disk, const struct wbfs_head *sb, partition_t *partition, const int dump_ind);
+static int set_WBFS_info(const struct wbfs_head *sb, partition_t *partition);
+
+int check_WBFS(disk_t *disk,partition_t *partition)
+{
+ unsigned char *buffer=(unsigned char*)MALLOC(2*DEFAULT_SECTOR_SIZE);
+ if(disk->pread(disk, buffer, 2*DEFAULT_SECTOR_SIZE, partition->part_offset+0x100000) != DEFAULT_SECTOR_SIZE)
+ {
+ free(buffer);
+ return 1;
+ }
+ if(test_WBFS(disk, (struct wbfs_head*)buffer, partition, 0)!=0)
+ {
+ free(buffer);
+ return 1;
+ }
+ set_WBFS_info((struct wbfs_head*)buffer, partition);
+ free(buffer);
+ return 0;
+}
+
+static int set_WBFS_info(const struct wbfs_head *sb, partition_t *partition)
+{
+ memcpy(partition->info,"WBFS",5);
+ return 0;
+}
+
+int recover_WBFS(disk_t *disk, const struct wbfs_head *sb, partition_t *partition, const int verbose, const int dump_ind)
+{
+ if(test_WBFS(disk, sb, partition, dump_ind)!=0)
+ return 1;
+ if(partition==NULL)
+ return 0;
+ set_WBFS_info(sb, partition);
+ partition->part_type_i386=P_NTFS;
+ partition->part_size=(uint64_t)be32(sb->n_hd_sec)<<(sb->hd_sec_sz_s);
+ partition->blocksize=0;
+ partition->sborg_offset=0;
+ partition->sb_offset=0;
+ if(verbose>0)
+ {
+ log_info("\n");
+ }
+ return 0;
+}
+
+static int test_WBFS(disk_t *disk, const struct wbfs_head *sb, partition_t *partition, const int dump_ind)
+{
+ if(be32(sb->magic)!=WBFS_MAGIC)
+ return 1;
+ if(dump_ind!=0)
+ {
+ if(partition!=NULL && disk!=NULL)
+ log_info("\nWBFS magic value at %u/%u/%u\n",
+ offset2cylinder(disk,partition->part_offset),
+ offset2head(disk,partition->part_offset),
+ offset2sector(disk,partition->part_offset));
+ dump_log(sb,DEFAULT_SECTOR_SIZE);
+ }
+ if(partition==NULL)
+ return 0;
+ partition->upart_type=UP_WBFS;
+ return 0;
+}