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authorChristophe Grenier <grenier@cgsecurity.org>2009-08-18 09:13:37 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2009-08-18 09:13:37 +0200
commit1f9997af851d03798ffff957c0d462d5c9ce1afe (patch)
tree87997ed42d5777700cd1bc16b6efa2db5241d1b3 /src/zfs.c
parent32babefd2d759fd0905ea00cc73c71fe07645938 (diff)
TestDisk: locate ZFS partition beginning
Diffstat (limited to 'src/zfs.c')
-rw-r--r--src/zfs.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/zfs.c b/src/zfs.c
new file mode 100644
index 0000000..cba94cd
--- /dev/null
+++ b/src/zfs.c
@@ -0,0 +1,105 @@
+/*
+
+ File: ZFS.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_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "common.h"
+#include "zfs.h"
+#include "fnctdsk.h"
+#include "log.h"
+#include "guid_cpy.h"
+
+static int test_ZFS(disk_t *disk, const struct vdev_boot_header *sb, partition_t *partition, const int dump_ind);
+static int set_ZFS_info(const struct vdev_boot_header *sb, partition_t *partition);
+
+int check_ZFS(disk_t *disk,partition_t *partition)
+{
+ unsigned char *buffer=(unsigned char*)MALLOC(DEFAULT_SECTOR_SIZE);
+ if(disk->pread(disk, buffer, DEFAULT_SECTOR_SIZE, partition->part_offset+0x2000) != DEFAULT_SECTOR_SIZE)
+ {
+ free(buffer);
+ return 1;
+ }
+ if(test_ZFS(disk, (struct vdev_boot_header*)buffer, partition, 0)!=0)
+ {
+ free(buffer);
+ return 1;
+ }
+ set_ZFS_info((struct vdev_boot_header*)buffer, partition);
+ free(buffer);
+ return 0;
+}
+
+static int set_ZFS_info(const struct vdev_boot_header *sb, partition_t *partition)
+{
+ sprintf(partition->info,"ZFS %lu (Data size unknown)", (long unsigned)le64(sb->vb_version));
+ return 0;
+}
+
+int recover_ZFS(disk_t *disk, const struct vdev_boot_header *sb,partition_t *partition,const int verbose, const int dump_ind)
+{
+ if(test_ZFS(disk, sb, partition, dump_ind)!=0)
+ return 1;
+ if(partition==NULL)
+ return 0;
+ set_ZFS_info(sb, partition);
+ partition->part_type_i386=P_LINUX;
+ partition->part_type_mac=PMAC_LINUX;
+ partition->part_type_sun=PSUN_LINUX;
+ partition->part_type_gpt=GPT_ENT_TYPE_SOLARIS_USR;
+ partition->part_size=(uint64_t)le64(sb->vb_offset);
+ partition->blocksize=0;
+ partition->sborg_offset=0;
+ partition->sb_offset=0;
+ if(verbose>0)
+ {
+ log_info("\n");
+ }
+ return 0;
+}
+
+static int test_ZFS(disk_t *disk, const struct vdev_boot_header *sb, partition_t *partition, const int dump_ind)
+{
+ if(le64(sb->vb_magic)!=VDEV_BOOT_MAGIC)
+ return 1;
+ if(dump_ind!=0)
+ {
+ if(partition!=NULL && disk!=NULL)
+ log_info("\nZFS 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_ZFS;
+ return 0;
+}