Exemplo n.º 1
0
static void
_generate_partition (PedPartition* part, struct partition_table* pt)
{
	DVHPartData*	dvh_part_data = part->disk_specific;

	/* Assert not a bootfile */
	PED_ASSERT ((part->type & PED_PARTITION_LOGICAL) == 0);

	pt->pt_nblks = PED_CPU_TO_BE32 (part->geom.length);
	pt->pt_firstlbn = PED_CPU_TO_BE32 (part->geom.start);
	pt->pt_type = PED_CPU_TO_BE32 (dvh_part_data->type);
}
Exemplo n.º 2
0
static int
amiga_partition_set_flag (PedPartition* part, PedPartitionFlag flag, int state)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);

	partition = PART(part->disk_specific);

	switch (flag) {
		case PED_PARTITION_BOOT:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_BOOTABLE);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_BOOTABLE));
			return 1;
		case PED_PARTITION_HIDDEN:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_NOMOUNT);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_NOMOUNT));
			return 1;
		case PED_PARTITION_RAID:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_RAID);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_RAID));
			return 1;
		case PED_PARTITION_LVM:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_LVM);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_LVM));
			return 1;
		default:
			return 0;
	}
}
Exemplo n.º 3
0
static void
_generate_boot_file (PedPartition* part, struct volume_directory* vd)
{
	DVHPartData*	dvh_part_data = part->disk_specific;

	/* Assert it's a bootfile */
	PED_ASSERT ((part->type & PED_PARTITION_LOGICAL) != 0);

	vd->vd_nbytes = PED_CPU_TO_BE32 (dvh_part_data->real_file_size);
	vd->vd_lbn = PED_CPU_TO_BE32 (part->geom.start);

	memset (vd->vd_name, 0, VDNAMESIZE);
	strncpy (vd->vd_name, dvh_part_data->name, VDNAMESIZE);
}
Exemplo n.º 4
0
static void
_amiga_calculate_checksum (struct AmigaBlock *blk) {
	blk->amiga_ChkSum = PED_CPU_TO_BE32(
		PED_BE32_TO_CPU(blk->amiga_ChkSum) -
		_amiga_checksum((struct AmigaBlock *) blk));
	return;
}
Exemplo n.º 5
0
int
hfsj_update_jib(PedFileSystem* fs, uint32_t block)
{
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						    fs->type_specific;

	priv_data->vh->journal_info_block = PED_CPU_TO_BE32(block);

	if (!hfsplus_update_vh (fs))
		return 0;

	priv_data->jib_start_block = block;
	return 1;
}
Exemplo n.º 6
0
static int
amiga_partition_get_flag (const PedPartition* part, PedPartitionFlag flag)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);

	partition = PART(part->disk_specific);

	switch (flag) {
		case PED_PARTITION_BOOT:
			return (partition->pb_Flags & PED_CPU_TO_BE32(PBFF_BOOTABLE));
		case PED_PARTITION_HIDDEN:
			return (partition->pb_Flags & PED_CPU_TO_BE32(PBFF_NOMOUNT));
		case PED_PARTITION_RAID:
			return (partition->pb_Flags & PED_CPU_TO_BE32(PBFF_RAID));
		case PED_PARTITION_LVM:
			return (partition->pb_Flags & PED_CPU_TO_BE32(PBFF_LVM));
		default:
			return 0;
	}
}
Exemplo n.º 7
0
Arquivo: hfs.c Projeto: Excito/parted
/* TODO : use exceptions to report errors */
static int
hfsplus_extract (PedFileSystem* fs, PedTimer* timer)
{
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	HfsPVolumeHeader*	vh = priv_data->vh;
	HfsPPrivateFile*	startup_file;

	if (priv_data->wrapper) {
		/* TODO : create nested timer */
		hfs_extract (priv_data->wrapper, timer);
	}

	ped_exception_throw (
		PED_EXCEPTION_INFORMATION,
		PED_EXCEPTION_OK,
		_("This is not a real %s check.  This is going to extract "
		  "special low level files for debugging purposes."),
		"HFS+");

	extract_buffer = ped_malloc(BLOCK_MAX_BUFF * PED_SECTOR_SIZE_DEFAULT);
	if (!extract_buffer) return 0;

	hfsplus_extract_vh(HFSP_VH_FILENAME, fs);
	hfsplus_extract_file(HFSP_CATALOG_FILENAME, priv_data->catalog_file);
	hfsplus_extract_file(HFSP_EXTENTS_FILENAME, priv_data->extents_file);
	hfsplus_extract_file(HFSP_ATTRIB_FILENAME, priv_data->attributes_file);
	hfsplus_extract_file(HFSP_BITMAP_FILENAME, priv_data->allocation_file);

	startup_file = hfsplus_file_open(fs, PED_CPU_TO_BE32(HFSP_STARTUP_ID),
					vh->startup_file.extents,
					PED_BE64_TO_CPU (
					   vh->startup_file.logical_size)
					/ PED_SECTOR_SIZE_DEFAULT);
	if (startup_file) {
		hfsplus_extract_file(HFSP_STARTUP_FILENAME, startup_file);
		hfsplus_file_close(startup_file); startup_file = NULL;
	}

	free(extract_buffer); extract_buffer = NULL;
	return 0; /* nothing has been fixed by us ! */
}
Exemplo n.º 8
0
static int
hfsplus_cache_from_attributes(HfsCPrivateCache* cache, PedFileSystem* fs,
			      PedTimer* timer)
{
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	uint8_t			node_1[PED_SECTOR_SIZE_DEFAULT];
	uint8_t*		node;
	HfsPHeaderRecord*	header;
	HfsPPrivateGenericKey*	generic_key;
	HfsPForkDataAttr*	fork_ext_data;
	HfsPExtDescriptor*	extent;
	unsigned int		leaf_node, record_number;
	unsigned int		i, j, size, bsize;

	/* attributes file is facultative */
	if (!priv_data->attributes_file->sect_nb)
		return 1;

	/* Search the extent starting at *ptr_block in the catalog file */
	if (!hfsplus_file_read_sector (priv_data->attributes_file, node_1, 0))
		return 0;
	header = ((HfsPHeaderRecord*) (node_1 + HFS_FIRST_REC));
	leaf_node = PED_BE32_TO_CPU (header->first_leaf_node);
	bsize = PED_BE16_TO_CPU (header->node_size);
	size = bsize / PED_SECTOR_SIZE_DEFAULT;
	PED_ASSERT(size < 256);

	node = (uint8_t*) ped_malloc(bsize);
	if (!node) return 0;
	HfsPNodeDescriptor *desc = (HfsPNodeDescriptor*) node;

	for (; leaf_node; leaf_node = PED_BE32_TO_CPU (desc->next)) {
		if (!hfsplus_file_read (priv_data->attributes_file, node,
					(PedSector) leaf_node * size, size)) {
			free (node);
			return 0;
		}
		record_number = PED_BE16_TO_CPU (desc->rec_nb);
		for (i = 1; i <= record_number; i++) {
			unsigned int	skip;
			generic_key = (HfsPPrivateGenericKey*)
				(node + PED_BE16_TO_CPU(*((uint16_t *)
					    (node+(bsize - 2*i)))));
			skip = ( 2 + PED_BE16_TO_CPU (generic_key->key_length)
			         + 1 ) & ~1;
			fork_ext_data = (HfsPForkDataAttr*)
					    (((uint8_t*)generic_key) + skip);
			/* check for obvious error in FS */
			if (((uint8_t*)generic_key - node < HFS_FIRST_REC)
			    || ((uint8_t*)fork_ext_data - node
			        >= (signed) bsize
				   - 2 * (signed)(record_number+1))) {
				ped_exception_throw (
					PED_EXCEPTION_ERROR,
					PED_EXCEPTION_CANCEL,
					_("The file system contains errors."));
				free (node);
				return 0;
			}

			if (fork_ext_data->record_type
			    == PED_CPU_TO_BE32 ( HFSP_ATTR_FORK ) ) {
				extent = fork_ext_data->fork_res.fork.extents;
				for (j = 0; j < HFSP_EXT_NB; ++j) {
					if (!extent[j].block_count) break;
					if (!hfsc_cache_add_extent(
						cache,
						PED_BE32_TO_CPU (
							extent[j].start_block ),
						PED_BE32_TO_CPU (
							extent[j].block_count ),
						leaf_node,
						(uint8_t*)extent-node,
						size,
						CR_BTREE_ATTR,
						j )
					   ) {
						free(node);
						return 0;
					}
				}
			} else if (fork_ext_data->record_type
			    == PED_CPU_TO_BE32 ( HFSP_ATTR_EXTENTS ) ) {
				extent = fork_ext_data->fork_res.extents;
				for (j = 0; j < HFSP_EXT_NB; ++j) {
					if (!extent[j].block_count) break;
					if (!hfsc_cache_add_extent(
						cache,
						PED_BE32_TO_CPU (
							extent[j].start_block ),
						PED_BE32_TO_CPU (
							extent[j].block_count ),
						leaf_node,
						(uint8_t*)extent-node,
						size,
						CR_BTREE_ATTR,
						j )
					   ) {
						free(node);
						return 0;
					}
				}
			} else continue;
		}
	}

	free (node);
	return 1;
}
Exemplo n.º 9
0
static int
hfsplus_cache_from_extent(HfsCPrivateCache* cache, PedFileSystem* fs,
			  PedTimer* timer)
{
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	uint8_t			node_1[PED_SECTOR_SIZE_DEFAULT];
	uint8_t*		node;
	HfsPHeaderRecord*	header;
	HfsPExtentKey*		extent_key;
	HfsPExtDescriptor*	extent;
	unsigned int		leaf_node, record_number;
	unsigned int		i, j, size, bsize;

	if (!priv_data->extents_file->sect_nb) {
		ped_exception_throw (
			PED_EXCEPTION_INFORMATION,
			PED_EXCEPTION_OK,
			_("This HFS+ volume has no extents overflow "
			  "file.  This is quite unusual!"));
		return 1;
	}

	if (!hfsplus_file_read_sector (priv_data->extents_file, node_1, 0))
		return 0;
	header = ((HfsPHeaderRecord*) (node_1 + HFS_FIRST_REC));
	leaf_node = PED_BE32_TO_CPU (header->first_leaf_node);
	bsize = PED_BE16_TO_CPU (header->node_size);
	size = bsize / PED_SECTOR_SIZE_DEFAULT;
	PED_ASSERT(size < 256);

	node = (uint8_t*) ped_malloc (bsize);
	if (!node) return -1;
	HfsPNodeDescriptor *desc = (HfsPNodeDescriptor*) node;

	for (; leaf_node; leaf_node = PED_BE32_TO_CPU (desc->next)) {
		if (!hfsplus_file_read (priv_data->extents_file, node,
					(PedSector) leaf_node * size, size)) {
			free (node);
			return 0;
		}
		record_number = PED_BE16_TO_CPU (desc->rec_nb);
		for (i = 1; i <= record_number; i++) {
			uint8_t where;
			extent_key = (HfsPExtentKey*)
			    (node + PED_BE16_TO_CPU(*((uint16_t *)
					    (node+(bsize - 2*i)))));
			extent = (HfsPExtDescriptor*)
			    (((uint8_t*)extent_key) + sizeof (HfsPExtentKey));
			/* check for obvious error in FS */
			if (((uint8_t*)extent_key - node < HFS_FIRST_REC)
			    || ((uint8_t*)extent - node
			        >= (signed)bsize
				   - 2 * (signed)(record_number+1))) {
				ped_exception_throw (
					PED_EXCEPTION_ERROR,
					PED_EXCEPTION_CANCEL,
					_("The file system contains errors."));
				free (node);
				return -1;
			}

			switch (extent_key->file_ID) {
			    case PED_CPU_TO_BE32 (HFS_XTENT_ID) :
				if (ped_exception_throw (
					PED_EXCEPTION_WARNING,
					PED_EXCEPTION_IGNORE_CANCEL,
					_("The extents overflow file should not"
					" contain its own extents!  You should "
					"check the file system."))
						!= PED_EXCEPTION_IGNORE)
					return 0;
				where = CR_BTREE_EXT_EXT;
				break;
			    case PED_CPU_TO_BE32 (HFS_CATALOG_ID) :
				where = CR_BTREE_EXT_CAT;
				break;
			    case PED_CPU_TO_BE32 (HFSP_ALLOC_ID) :
				where = CR_BTREE_EXT_ALLOC;
				break;
			    case PED_CPU_TO_BE32 (HFSP_STARTUP_ID) :
				where = CR_BTREE_EXT_START;
				break;
			    case PED_CPU_TO_BE32 (HFSP_ATTRIB_ID) :
			    	where = CR_BTREE_EXT_ATTR;
				break;
			    default :
			    	where = CR_BTREE_EXT_0;
				break;
			}

			for (j = 0; j < HFSP_EXT_NB; ++j) {
				if (!extent[j].block_count) break;
				if (!hfsc_cache_add_extent(
					cache,
					PED_BE32_TO_CPU(extent[j].start_block),
					PED_BE32_TO_CPU(extent[j].block_count),
					leaf_node,
					(uint8_t*)extent - node,
					size,
					where,
					j )
				   ) {
					free (node);
					return 0;
				}
			}
		}
	}

	free (node);
	return 1;
}
Exemplo n.º 10
0
static int
hfsplus_do_move (PedFileSystem* fs, unsigned int *ptr_src,
		 unsigned int *ptr_dest, HfsCPrivateCache* cache,
		 HfsCPrivateExtent* ref)
{
	HfsPPrivateFSData*	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	HfsPPrivateFile*	file;
	HfsPExtDescriptor*	extent;
	HfsCPrivateExtent*	move;
	int			new_start;

	new_start = hfsplus_effect_move_extent (fs, ptr_src, ptr_dest,
						ref->ext_length);

	if (new_start == -1) return -1;

	if (ref->ext_start != (unsigned) new_start) {
		switch (ref->where) {
		/************ VH ************/
		    case CR_PRIM_CAT :
			priv_data->catalog_file
			->first[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_PRIM;
		    case CR_PRIM_EXT :
			priv_data->extents_file
			->first[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_PRIM;
		    case CR_PRIM_ATTR :
			priv_data->attributes_file
			->first[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_PRIM;
		    case CR_PRIM_ALLOC :
			priv_data->allocation_file
			->first[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_PRIM;
		    case CR_PRIM_START :
			/* No startup file opened */
		    CR_PRIM :
			extent = ( HfsPExtDescriptor* )
				 ( (uint8_t*)priv_data->vh + ref->ref_offset );
			extent[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			if (!hfsplus_update_vh(fs))
				return -1;
			break;

		/************** BTREE *************/
		    case CR_BTREE_CAT_JIB :
			if (!hfsj_update_jib(fs, new_start))
				return -1;
			goto BTREE_CAT;

		    case CR_BTREE_CAT_JL :
			if (!hfsj_update_jl(fs, new_start))
				return -1;
			goto BTREE_CAT;

		    BTREE_CAT:
		    case CR_BTREE_CAT :
			file = priv_data->catalog_file;
			goto CR_BTREE;

		    case CR_BTREE_ATTR :
			file = priv_data->attributes_file;
			goto CR_BTREE;

		    case CR_BTREE_EXT_ATTR :
			if (priv_data->attributes_file
			    ->cache[ref->ref_index].start_block
			    == PED_CPU_TO_BE32(ref->ext_start))
				priv_data->attributes_file
				->cache[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_BTREE_EXT;
		    case CR_BTREE_EXT_CAT :
			if (priv_data->catalog_file
			    ->cache[ref->ref_index].start_block
			    == PED_CPU_TO_BE32(ref->ext_start))
				priv_data->catalog_file
				->cache[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_BTREE_EXT;
		    case CR_BTREE_EXT_ALLOC :
			if (priv_data->allocation_file
			    ->cache[ref->ref_index].start_block
			    == PED_CPU_TO_BE32(ref->ext_start))
				priv_data->allocation_file
				->cache[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			goto CR_BTREE_EXT;
		    case CR_BTREE_EXT_START :
		    	/* No startup file opened */
		    CR_BTREE_EXT :
		    case CR_BTREE_EXT_0 :
			file = priv_data->extents_file;

		    CR_BTREE :
			PED_ASSERT(PED_SECTOR_SIZE_DEFAULT * ref->sect_by_block
				   > ref->ref_offset);
			if (!hfsplus_file_read(file, hfsp_block,
				(PedSector)ref->ref_block * ref->sect_by_block,
				ref->sect_by_block))
				return -1;
			extent = ( HfsPExtDescriptor* )
				( hfsp_block + ref->ref_offset );
			extent[ref->ref_index].start_block =
				PED_CPU_TO_BE32(new_start);
			if (!hfsplus_file_write(file, hfsp_block,
				(PedSector)ref->ref_block * ref->sect_by_block,
				ref->sect_by_block)
			    || !ped_geometry_sync_fast (priv_data->plus_geom))
				return -1;
			break;

		    /********** BUG *********/
		    default :
			ped_exception_throw (
				PED_EXCEPTION_ERROR,
				PED_EXCEPTION_CANCEL,
				_("A reference to an extent comes from a place "
				  "it should not.  You should check the file "
				  "system!"));
			return -1;
			break;
		}

		move = hfsc_cache_move_extent(cache, ref->ext_start, new_start);
		if (!move) return -1;
		PED_ASSERT(move == ref);
	}

	return new_start;
}
Exemplo n.º 11
0
/* This function reads bad blocks extents in the extents file
   and store it in f.s. specific data of fs */
int
hfs_read_bad_blocks (const PedFileSystem *fs)
{
	HfsPrivateFSData* 	priv_data = (HfsPrivateFSData*)
						fs->type_specific;

	if (priv_data->bad_blocks_loaded)
		return 1;

	{
	uint8_t			record[sizeof (HfsExtentKey)
					       + sizeof (HfsExtDataRec)];
	HfsExtentKey		search;
	HfsExtentKey*		ret_key = (HfsExtentKey*) record;
	HfsExtDescriptor*	ret_cache = (HfsExtDescriptor*)
					     (record + sizeof (HfsExtentKey));
	unsigned int		block, last_start, first_pass = 1;

	search.key_length = sizeof (HfsExtentKey) - 1;
	search.type = HFS_DATA_FORK;
	search.file_ID = PED_CPU_TO_BE32 (HFS_BAD_BLOCK_ID);

	last_start = -1; block = 0;
	while (1) {
		int i;

		search.start = PED_CPU_TO_BE16 (block);
		if (!hfs_btree_search (priv_data->extent_file,
				       (HfsPrivateGenericKey*) &search,
				       record, sizeof (record), NULL)
		    || ret_key->file_ID != search.file_ID
		    || ret_key->type != search.type) {
			if (first_pass)
				break;
			else
				goto errbb;
		}
		if (PED_BE16_TO_CPU (ret_key->start) == last_start)
		    break;

		last_start = PED_BE16_TO_CPU (ret_key->start);
		for (i = 0; i < HFS_EXT_NB; i++) {
			if (ret_cache[i].block_count) {
				HfsPrivateLinkExtent*	new_xt =
				   (HfsPrivateLinkExtent*) ped_malloc (
					sizeof (HfsPrivateLinkExtent));
				if (!new_xt)
					goto errbb;
				new_xt->next = priv_data->bad_blocks_xtent_list;
				memcpy(&(new_xt->extent), ret_cache+i,
					sizeof (HfsExtDescriptor));
				priv_data->bad_blocks_xtent_list = new_xt;
				priv_data->bad_blocks_xtent_nb++;
				block += PED_BE16_TO_CPU (
						ret_cache[i].block_count);
			}
		}
		first_pass = 0;
	}

	priv_data->bad_blocks_loaded = 1;
	return 1;}

errbb:	hfs_free_bad_blocks_list(priv_data->bad_blocks_xtent_list);
	priv_data->bad_blocks_xtent_list=NULL;
	priv_data->bad_blocks_xtent_nb=0;
	return 0;
}
Exemplo n.º 12
0
static int
dvh_write (const PedDisk* disk)
{
	DVHDiskData*		dvh_disk_data = disk->disk_specific;
	struct volume_header	vh;
	int			i;

	PED_ASSERT (dvh_disk_data != NULL);

	_flush_stale_flags (disk);

	memset (&vh, 0, sizeof (struct volume_header));

	vh.vh_magic = PED_CPU_TO_BE32 (VHMAGIC);
	vh.vh_rootpt = PED_CPU_TO_BE16 (dvh_disk_data->root - 1);
	vh.vh_swappt = PED_CPU_TO_BE16 (dvh_disk_data->swap - 1);

	if (dvh_disk_data->boot) {
		PedPartition* boot_part;
		boot_part = ped_disk_get_partition (disk, dvh_disk_data->boot);
		strcpy (vh.vh_bootfile, ped_partition_get_name (boot_part));
	}

	vh.vh_dp = dvh_disk_data->dev_params;
	/* Set up rudimentary device geometry */
	vh.vh_dp.dp_cyls
		= PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.cylinders);
	vh.vh_dp.dp_trks0 = PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.heads);
	vh.vh_dp.dp_secs
		= PED_CPU_TO_BE16 ((short)disk->dev->bios_geom.sectors);
	vh.vh_dp.dp_secbytes = PED_CPU_TO_BE16 ((short)disk->dev->sector_size);

	for (i = 0; i < NPARTAB; i++) {
		PedPartition* part = ped_disk_get_partition (disk, i + 1);
		if (part)
			_generate_partition (part, &vh.vh_pt[i]);
	}

	/* whole disk partition
	 * This is only ever written here, and never modified
	 * (or even shown) as it must contain the entire disk,
	 * and parted does not like overlapping partitions
	 */
	vh.vh_pt[PNUM_VOLUME].pt_nblks = PED_CPU_TO_BE32 (disk->dev->length);
	vh.vh_pt[PNUM_VOLUME].pt_firstlbn = PED_CPU_TO_BE32 (0);
	vh.vh_pt[PNUM_VOLUME].pt_type = PED_CPU_TO_BE32 (PTYPE_VOLUME);

	for (i = 0; i < NVDIR; i++) {
		PedPartition* part = ped_disk_get_partition (disk,
							     i + 1 + NPARTAB);
		if (part)
			_generate_boot_file (part, &vh.vh_vd[i]);
	}

	vh.vh_csum = 0;
	vh.vh_csum = PED_CPU_TO_BE32 (_checksum ((uint32_t*) &vh,
			       	      sizeof (struct volume_header)));

        return (ptt_write_sector (disk, &vh, sizeof vh)
                && ped_device_sync (disk->dev));
}
Exemplo n.º 13
0
static int
amiga_write (const PedDisk* disk)
{
	struct RigidDiskBlock *rdb;
	struct LinkedBlock *block;
	struct PartitionBlock *partition;
	PedPartition *part, *next_part;
	PedSector cylblocks, first_hb, last_hb;
	uint32_t * table;
	uint32_t i;
	uint32_t rdb_num, part_num, block_num, next_num;

	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);
	PED_ASSERT (disk->disk_specific != NULL);

	if (!(rdb = ped_malloc (disk->dev->sector_size)))
		return 0;

	/* Let's read the rdb */
	if ((rdb_num = _amiga_find_rdb (disk->dev, rdb)) == AMIGA_RDB_NOT_FOUND) {
		rdb_num = 2;
		size_t pb_size = sizeof (struct PartitionBlock);
                /* Initialize only the part that won't be copied over
                   with a partition block in amiga_read.  */
		memset ((char *)(RDSK(disk->disk_specific)) + pb_size,
			0, PED_SECTOR_SIZE_DEFAULT - pb_size);
	} else {
		memcpy (RDSK(disk->disk_specific), rdb, disk->dev->sector_size);
	}
	free (rdb);
	rdb = RDSK(disk->disk_specific);

	cylblocks = (PedSector) PED_BE32_TO_CPU (rdb->rdb_Heads) *
		(PedSector) PED_BE32_TO_CPU (rdb->rdb_Sectors);
	first_hb = (PedSector) PED_BE32_TO_CPU (rdb->rdb_RDBBlocksLo);
	last_hb = (PedSector) PED_BE32_TO_CPU (rdb->rdb_RDBBlocksHi);

	/* Allocate a free block table and initialize it.
	   There must be room for at least RDB_NUM + 2 entries, since
	   the first RDB_NUM+1 entries get IDNAME_RIGIDDISK, and the
	   following one must have LINK_END to serve as sentinel.  */
	size_t tab_size = 2 + MAX (last_hb - first_hb, rdb_num);
	if (!(table = ped_malloc (tab_size * sizeof *table)))
		return 0;

	for (i = 0; i <= rdb_num; i++)
		table[i] = IDNAME_RIGIDDISK;
	for (     ; i < tab_size; i++)
		table[i] = LINK_END;

	/* Let's allocate a partition block */
	if (!(block = ped_malloc (disk->dev->sector_size))) {
		free (table);
		return 0;
	}

	/* And fill the free block table */
	if (_amiga_find_free_blocks(disk, table, block,
		PED_BE32_TO_CPU (rdb->rdb_BadBlockList), IDNAME_BADBLOCK) == 0)
	{
		ped_exception_throw(PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("%s : Failed to list bad blocks."), __func__);
		goto error_free_table;
	}
	if (_amiga_find_free_blocks(disk, table, block,
		PED_BE32_TO_CPU (rdb->rdb_PartitionList), IDNAME_PARTITION) == 0)
	{
		ped_exception_throw(PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("%s : Failed to list partition blocks."), __func__);
		goto error_free_table;
	}
	if (_amiga_find_free_blocks(disk, table, block,
		PED_BE32_TO_CPU (rdb->rdb_FileSysHeaderList), IDNAME_FILESYSHEADER) == 0)
	{
		ped_exception_throw(PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("%s : Failed to list file system blocks."), __func__);
		goto error_free_table;
	}
	if (_amiga_find_free_blocks(disk, table, block,
		PED_BE32_TO_CPU (rdb->rdb_BootBlockList), IDNAME_BOOT) == 0)
	{
		ped_exception_throw(PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("%s : Failed to list boot blocks."), __func__);
		goto error_free_table;
	}

	block_num = part_num = _amiga_next_free_block(table, rdb_num+1,
                                                      IDNAME_PARTITION);
	part = _amiga_next_real_partition(disk, NULL);
	rdb->rdb_PartitionList = PED_CPU_TO_BE32(part ? part_num : LINK_END);
	for (; part != NULL; part = next_part, block_num = next_num) {
		PED_ASSERT(part->disk_specific != NULL);
		PED_ASSERT(part->geom.start % cylblocks == 0);
		PED_ASSERT((part->geom.end + 1) % cylblocks == 0);

		next_part = _amiga_next_real_partition(disk, part);
		next_num = _amiga_next_free_block(table, block_num+1, IDNAME_PARTITION);

		partition = PART(part->disk_specific);
		if (next_part == NULL)
			partition->pb_Next = PED_CPU_TO_BE32(LINK_END);
		else
			partition->pb_Next = PED_CPU_TO_BE32(next_num);
		partition->de_LowCyl = PED_CPU_TO_BE32(part->geom.start/cylblocks);
		partition->de_HighCyl = PED_CPU_TO_BE32((part->geom.end+1)/cylblocks-1);
		_amiga_calculate_checksum(AMIGA(partition));
		if (!ped_device_write (disk->dev, (void*) partition, block_num, 1)) {
			ped_exception_throw(PED_EXCEPTION_ERROR,
				PED_EXCEPTION_CANCEL,
				_("Failed to write partition block at %d."),
				block_num);
			goto error_free_table;
			/* WARNING : If we fail here, we stop everything,
			 * and the partition table is lost. A better
			 * solution should be found, using the second
			 * half of the hardblocks to not overwrite the
			 * old partition table. It becomes problematic
			 * if we use more than half of the hardblocks. */
		}
	}

	if (block_num > PED_BE32_TO_CPU (rdb->rdb_HighRDSKBlock))
		rdb->rdb_HighRDSKBlock = PED_CPU_TO_BE32(block_num);

	_amiga_calculate_checksum(AMIGA(rdb));
	if (!ped_device_write (disk->dev, (void*) disk->disk_specific, rdb_num, 1))
		goto error_free_table;

	free (table);
	free (block);
	return ped_device_sync (disk->dev);

error_free_table:
	free (table);
	free (block);
	return 0;
}
Exemplo n.º 14
0
Arquivo: hfs.c Projeto: Excito/parted
PedFileSystem *
hfs_open (PedGeometry* geom)
{
	uint8_t			buf[PED_SECTOR_SIZE_DEFAULT];
	PedFileSystem*		fs;
	HfsMasterDirectoryBlock* mdb;
	HfsPrivateFSData* 	priv_data;

	if (!hfsc_can_use_geom (geom))
		return NULL;

	/* Read MDB */
	if (!ped_geometry_read (geom, buf, 2, 1))
		return NULL;

	/* Allocate memory */
	fs = (PedFileSystem*) ped_malloc (sizeof (PedFileSystem));
	if (!fs) goto ho;
	mdb = (HfsMasterDirectoryBlock*)
		ped_malloc (sizeof (HfsMasterDirectoryBlock));
	if (!mdb) goto ho_fs;
	priv_data = (HfsPrivateFSData*)
		ped_malloc (sizeof (HfsPrivateFSData));
	if (!priv_data) goto ho_mdb;

	memcpy (mdb, buf, sizeof (HfsMasterDirectoryBlock));

	/* init structures */
	priv_data->mdb = mdb;
	priv_data->bad_blocks_loaded = 0;
	priv_data->bad_blocks_xtent_nb = 0;
	priv_data->bad_blocks_xtent_list = NULL;
	priv_data->extent_file =
	    hfs_file_open (fs, PED_CPU_TO_BE32 (HFS_XTENT_ID),
			   mdb->extents_file_rec,
			   PED_CPU_TO_BE32 (mdb->extents_file_size)
			   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->extent_file) goto ho_pd;
	priv_data->catalog_file =
	    hfs_file_open (fs, PED_CPU_TO_BE32 (HFS_CATALOG_ID),
			   mdb->catalog_file_rec,
			   PED_CPU_TO_BE32 (mdb->catalog_file_size)
			   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->catalog_file) goto ho_ce;
	/* Read allocation blocks */
	if (!ped_geometry_read(geom, priv_data->alloc_map,
			       PED_BE16_TO_CPU (mdb->volume_bitmap_block),
			       ( PED_BE16_TO_CPU (mdb->total_blocks)
			         + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
			       / (PED_SECTOR_SIZE_DEFAULT * 8) ) )
		goto ho_cf;

	fs->type = &hfs_type;
	fs->geom = ped_geometry_duplicate (geom);
	if (!fs->geom) goto ho_cf;
	fs->type_specific = (void*) priv_data;
	fs->checked = ( PED_BE16_TO_CPU (mdb->volume_attributes)
			>> HFS_UNMOUNTED ) & 1;

	return fs;

/*--- clean error handling ---*/
ho_cf:	hfs_file_close(priv_data->catalog_file);
ho_ce:	hfs_file_close(priv_data->extent_file);
ho_pd:	free(priv_data);
ho_mdb: free(mdb);
ho_fs:	free(fs);
ho:	return NULL;
}
Exemplo n.º 15
0
static PedDisk*
amiga_alloc (const PedDevice* dev)
{
	PedDisk *disk;
	struct RigidDiskBlock *rdb;
	PedSector cyl_size;
	int highest_cylinder, highest_block;

	PED_ASSERT(dev != NULL);
	cyl_size = dev->hw_geom.sectors * dev->hw_geom.heads;

	if (!(disk = _ped_disk_alloc (dev, &amiga_disk_type)))
		return NULL;

	if (!(disk->disk_specific = ped_malloc (disk->dev->sector_size))) {
		free (disk);
		return NULL;
	}
	rdb = disk->disk_specific;

        /* Upon failed assertion this does leak.  That's fine, because
           if the assertion fails, you have bigger problems than this leak. */
        PED_ASSERT(sizeof(*rdb) <= disk->dev->sector_size);

	memset(rdb, 0, disk->dev->sector_size);

	rdb->rdb_ID = PED_CPU_TO_BE32 (IDNAME_RIGIDDISK);
	rdb->rdb_SummedLongs = PED_CPU_TO_BE32 (64);
	rdb->rdb_HostID = PED_CPU_TO_BE32 (0);
	rdb->rdb_BlockBytes = PED_CPU_TO_BE32 (disk->dev->sector_size);
	rdb->rdb_Flags = PED_CPU_TO_BE32 (0);

	/* Block lists */
	rdb->rdb_BadBlockList = PED_CPU_TO_BE32 (LINK_END);
	rdb->rdb_PartitionList = PED_CPU_TO_BE32 (LINK_END);
	rdb->rdb_FileSysHeaderList = PED_CPU_TO_BE32 (LINK_END);
	rdb->rdb_DriveInit = PED_CPU_TO_BE32 (LINK_END);
	rdb->rdb_BootBlockList = PED_CPU_TO_BE32 (LINK_END);

	/* Physical drive characteristics */
	rdb->rdb_Cylinders = PED_CPU_TO_BE32 (dev->hw_geom.cylinders);
	rdb->rdb_Sectors = PED_CPU_TO_BE32 (dev->hw_geom.sectors);
	rdb->rdb_Heads = PED_CPU_TO_BE32 (dev->hw_geom.heads);
	rdb->rdb_Interleave = PED_CPU_TO_BE32 (0);
	rdb->rdb_Park = PED_CPU_TO_BE32 (dev->hw_geom.cylinders);
	rdb->rdb_WritePreComp = PED_CPU_TO_BE32 (dev->hw_geom.cylinders);
	rdb->rdb_ReducedWrite = PED_CPU_TO_BE32 (dev->hw_geom.cylinders);
	rdb->rdb_StepRate = PED_CPU_TO_BE32 (0);

	highest_cylinder = 1 + MAX_RDB_BLOCK / cyl_size;
	highest_block = highest_cylinder * cyl_size - 1;

	/* Logical driver characteristics */
	rdb->rdb_RDBBlocksLo = PED_CPU_TO_BE32 (0);
	rdb->rdb_RDBBlocksHi = PED_CPU_TO_BE32 (highest_block);
	rdb->rdb_LoCylinder = PED_CPU_TO_BE32 (highest_cylinder);
	rdb->rdb_HiCylinder = PED_CPU_TO_BE32 (dev->hw_geom.cylinders -1);
	rdb->rdb_CylBlocks = PED_CPU_TO_BE32 (cyl_size);
	rdb->rdb_AutoParkSeconds = PED_CPU_TO_BE32 (0);
	/* rdb_HighRDSKBlock will only be set when writing */
	rdb->rdb_HighRDSKBlock = PED_CPU_TO_BE32 (0);

	/* Driver identification */
	_amiga_set_bstr("", rdb->rdb_DiskVendor, 8);
	_amiga_set_bstr(dev->model, rdb->rdb_DiskProduct, 16);
	_amiga_set_bstr("", rdb->rdb_DiskRevision, 4);
	_amiga_set_bstr("", rdb->rdb_ControllerVendor, 8);
	_amiga_set_bstr("", rdb->rdb_ControllerProduct, 16);
	_amiga_set_bstr("", rdb->rdb_ControllerRevision, 4);

	/* And calculate the checksum */
	_amiga_calculate_checksum ((struct AmigaBlock *) rdb);

	return disk;
}
Exemplo n.º 16
0
Arquivo: hfs.c Projeto: Excito/parted
static int
hfsplus_volume_resize (PedFileSystem* fs, PedGeometry* geom, PedTimer* timer)
{
	uint8_t			buf[PED_SECTOR_SIZE_DEFAULT];
	unsigned int		nblock, nfree, mblock;
	unsigned int		block, to_free, old_blocks;
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	HfsPVolumeHeader* 	vh = priv_data->vh;
	int			resize = 1;
	unsigned int		hfsp_sect_block =
				    ( PED_BE32_TO_CPU (vh->block_size)
				      / PED_SECTOR_SIZE_DEFAULT );
	unsigned int		map_sectors;

	old_blocks = PED_BE32_TO_CPU (vh->total_blocks);

	/* Flush caches */
	if (!ped_geometry_sync(priv_data->plus_geom))
		return 0;

	/* Clear the unmounted bit */
	/* and set the implementation code (Apple Creator Code) */
	vh->attributes &= PED_CPU_TO_BE32 (~( 1 << HFS_UNMOUNTED ));
	vh->last_mounted_version = PED_CPU_TO_BE32(HFSP_IMPL_Shnk);
	if (!ped_geometry_read (priv_data->plus_geom, buf, 2, 1))
		return 0;
	memcpy (buf, vh, sizeof (HfsPVolumeHeader));
	if (   !ped_geometry_write (priv_data->plus_geom, buf, 2, 1)
	    || !ped_geometry_sync (priv_data->plus_geom))
		return 0;

	ped_timer_reset (timer);
	ped_timer_set_state_name(timer, _("shrinking"));
	ped_timer_update(timer, 0.0);
	/* relocate data */
	to_free = ( priv_data->plus_geom->length
	          - geom->length + hfsp_sect_block
		  - 1 ) / hfsp_sect_block;
	block = hfsplus_find_start_pack (fs, to_free);
	if (!hfsplus_pack_free_space_from_block (fs, block, timer, to_free)) {
		resize = 0;
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Data relocation has failed."));
		goto write_VH;
	}

	/* Calculate new block number and other VH field */
	/* nblock must be rounded _down_ */
	nblock = geom->length / hfsp_sect_block;
	nfree = PED_BE32_TO_CPU (vh->free_blocks)
		- (old_blocks - nblock);
	/* free block readjustement is only needed when incorrect nblock
	   was used by my previous implementation, so detect the case */
	if (priv_data->plus_geom->length < old_blocks
					   * ( PED_BE32_TO_CPU (vh->block_size)
					       / PED_SECTOR_SIZE_DEFAULT) ) {
		if (priv_data->plus_geom->length % hfsp_sect_block == 1)
			nfree++;
	}

	/* Check that all block after future end are really free */
	mblock = ( priv_data->plus_geom->length - 2 )
		 / hfsp_sect_block;
	if (mblock > old_blocks - 1)
		mblock = old_blocks - 1;
	for ( block = nblock;
	      block < mblock;
	      block++ ) {
		if (TST_BLOC_OCCUPATION(priv_data->alloc_map,block)) {
			resize = 0;
			ped_exception_throw (
				PED_EXCEPTION_ERROR,
				PED_EXCEPTION_CANCEL,
				_("Data relocation left some data at the end "
				  "of the volume."));
			goto write_VH;
		}
	}

	/* Mark out of volume blocks as used */
	map_sectors = ( ( old_blocks + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
	                / (PED_SECTOR_SIZE_DEFAULT * 8) )
		      * (PED_SECTOR_SIZE_DEFAULT * 8);
	for ( block = nblock; block < map_sectors; ++block)
		SET_BLOC_OCCUPATION(priv_data->alloc_map, block);

	/* Update geometry */
	if (resize) {
		/* update in fs structure */
		if (PED_BE32_TO_CPU (vh->next_allocation) >= nblock)
			vh->next_allocation = PED_CPU_TO_BE32 (0);
		vh->total_blocks = PED_CPU_TO_BE32 (nblock);
		vh->free_blocks = PED_CPU_TO_BE32 (nfree);
		/* update parted structure */
		priv_data->plus_geom->length = geom->length;
		priv_data->plus_geom->end = priv_data->plus_geom->start
					    + geom->length - 1;
	}

	/* Effective write */
    write_VH:
    	/* lasts two sectors are allocated by the alternate VH
	   and a reserved sector, and last block is always reserved */
	block = (priv_data->plus_geom->length - 1) / hfsp_sect_block;
	if (block < PED_BE32_TO_CPU (vh->total_blocks))
		SET_BLOC_OCCUPATION(priv_data->alloc_map, block);
	block = (priv_data->plus_geom->length - 2) / hfsp_sect_block;
	if (block < PED_BE32_TO_CPU (vh->total_blocks))
		SET_BLOC_OCCUPATION(priv_data->alloc_map, block);
	SET_BLOC_OCCUPATION(priv_data->alloc_map,
			    PED_BE32_TO_CPU (vh->total_blocks) - 1);

	/* Write the _old_ area to set out of volume blocks as used */
	map_sectors = ( old_blocks + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
	              / (PED_SECTOR_SIZE_DEFAULT * 8);
	if (!hfsplus_file_write (priv_data->allocation_file,
				 priv_data->alloc_map, 0, map_sectors)) {
		resize = 0;
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Error while writing the allocation file."));
	} else {
	/* Write remaining part of allocation bitmap */
	/* This is necessary to handle pre patch-11 and third party */
	/* implementations */
		memset(buf, 0xFF, PED_SECTOR_SIZE_DEFAULT);
		for (block = map_sectors;
		     block < priv_data->allocation_file->sect_nb;
		     ++block) {
			if (!hfsplus_file_write_sector (
					priv_data->allocation_file,
					buf, block)) {
				ped_exception_throw (
					PED_EXCEPTION_WARNING,
					PED_EXCEPTION_IGNORE,
					_("Error while writing the "
					  "compatibility part of the "
					  "allocation file."));
				break;
			}
		}
	}
	ped_geometry_sync (priv_data->plus_geom);

	if (resize) {
		/* Set the unmounted bit and clear the inconsistent bit */
		vh->attributes |= PED_CPU_TO_BE32 ( 1 << HFS_UNMOUNTED );
		vh->attributes &= ~ PED_CPU_TO_BE32 ( 1 << HFSP_INCONSISTENT );
	}

	ped_timer_set_state_name(timer, _("writing HFS+ Volume Header"));
	if (!hfsplus_update_vh(fs)) {
		ped_geometry_sync(priv_data->plus_geom);
		return 0;
	}

	if (!ped_geometry_sync(priv_data->plus_geom))
		return 0;

	ped_timer_update(timer, 1.0);

	return (resize);
}
Exemplo n.º 17
0
Arquivo: hfs.c Projeto: Excito/parted
PedFileSystem*
hfsplus_open (PedGeometry* geom)
{
	uint8_t			buf[PED_SECTOR_SIZE_DEFAULT];
	PedFileSystem*		fs;
	HfsPVolumeHeader*	vh;
	HfsPPrivateFSData* 	priv_data;
	PedGeometry*		wrapper_geom;
	unsigned int		map_sectors;

	if (!hfsc_can_use_geom (geom))
		return NULL;

	fs = (PedFileSystem*) ped_malloc (sizeof (PedFileSystem));
	if (!fs) goto hpo;
	vh = (HfsPVolumeHeader*) ped_malloc (sizeof (HfsPVolumeHeader));
	if (!vh) goto hpo_fs;
	priv_data = (HfsPPrivateFSData*)ped_malloc (sizeof (HfsPPrivateFSData));
	if (!priv_data) goto hpo_vh;

	fs->geom = ped_geometry_duplicate (geom);
	if (!fs->geom) goto hpo_pd;
	fs->type_specific = (void*) priv_data;

	if ((wrapper_geom = hfs_and_wrapper_probe (geom))) {
		HfsPrivateFSData* 	hfs_priv_data;
		PedSector		abs_sect, length;
		unsigned int		bs;

		ped_geometry_destroy (wrapper_geom);
		priv_data->wrapper = hfs_open(geom);
		if (!priv_data->wrapper) goto hpo_gm;
		hfs_priv_data = (HfsPrivateFSData*)
			priv_data->wrapper->type_specific;
		bs = PED_BE32_TO_CPU (hfs_priv_data->mdb->block_size)
		     / PED_SECTOR_SIZE_DEFAULT;
		abs_sect = (PedSector) geom->start
			   + (PedSector) PED_BE16_TO_CPU (
					    hfs_priv_data->mdb->start_block)
			   + (PedSector) PED_BE16_TO_CPU (
					    hfs_priv_data->mdb->old_new
					    .embedded.location.start_block )
			                 * bs;
		length = (PedSector) PED_BE16_TO_CPU (
					    hfs_priv_data->mdb->old_new
					    .embedded.location.block_count)
				     * bs;
		priv_data->plus_geom = ped_geometry_new (geom->dev, abs_sect,
							 length);
		if (!priv_data->plus_geom) goto hpo_wr;
		priv_data->free_geom = 1;
	} else {
		priv_data->wrapper = NULL;
		priv_data->plus_geom = fs->geom;
		priv_data->free_geom = 0;
	}

	if (!ped_geometry_read (priv_data->plus_geom, buf, 2, 1)) goto hpo_pg;
	memcpy (vh, buf, sizeof (HfsPVolumeHeader));
	priv_data->vh = vh;

	if (vh->signature != PED_CPU_TO_BE16(HFSP_SIGNATURE)
	    && vh->signature != PED_CPU_TO_BE16(HFSX_SIGNATURE)) {
		ped_exception_throw (
			PED_EXCEPTION_BUG,
			PED_EXCEPTION_CANCEL,
			_("No valid HFS[+X] signature has been found while "
			  "opening."));
		goto hpo_pg;
	}

	if (vh->signature == PED_CPU_TO_BE16(HFSP_SIGNATURE)
	    && vh->version != PED_CPU_TO_BE16(HFSP_VERSION)) {
		if (ped_exception_throw (
			PED_EXCEPTION_NO_FEATURE,
			PED_EXCEPTION_IGNORE_CANCEL,
			_("Version %d of HFS+ isn't supported."),
			PED_BE16_TO_CPU(vh->version))
				!= PED_EXCEPTION_IGNORE)
			goto hpo_pg;
	}

	if (vh->signature == PED_CPU_TO_BE16(HFSX_SIGNATURE)
	    && vh->version != PED_CPU_TO_BE16(HFSX_VERSION)) {
		if (ped_exception_throw (
			PED_EXCEPTION_NO_FEATURE,
			PED_EXCEPTION_IGNORE_CANCEL,
			_("Version %d of HFSX isn't supported."),
			PED_BE16_TO_CPU(vh->version))
				!= PED_EXCEPTION_IGNORE)
			goto hpo_pg;
	}

	priv_data->jib_start_block = 0;
	priv_data->jl_start_block = 0;
	if (vh->attributes & PED_CPU_TO_BE32(1<<HFSP_JOURNALED)) {
		if (!hfsj_replay_journal(fs))
			goto hpo_pg;
	}

	priv_data->bad_blocks_loaded = 0;
	priv_data->bad_blocks_xtent_nb = 0;
	priv_data->bad_blocks_xtent_list = NULL;
	priv_data->extents_file =
		hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFS_XTENT_ID),
				   vh->extents_file.extents,
				   PED_BE64_TO_CPU (
					vh->extents_file.logical_size )
				   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->extents_file) goto hpo_pg;
	priv_data->catalog_file =
		hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFS_CATALOG_ID),
				   vh->catalog_file.extents,
				   PED_BE64_TO_CPU (
					vh->catalog_file.logical_size )
				   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->catalog_file) goto hpo_ce;
	priv_data->attributes_file =
		hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFSP_ATTRIB_ID),
				   vh->attributes_file.extents,
				   PED_BE64_TO_CPU (
					vh->attributes_file.logical_size)
				   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->attributes_file) goto hpo_cc;

	map_sectors = ( PED_BE32_TO_CPU (vh->total_blocks)
	                + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
		      / (PED_SECTOR_SIZE_DEFAULT * 8);
	priv_data->dirty_alloc_map = (uint8_t*)
		ped_malloc ((map_sectors + 7) / 8);
	if (!priv_data->dirty_alloc_map) goto hpo_cl;
	memset(priv_data->dirty_alloc_map, 0, (map_sectors + 7) / 8);
	priv_data->alloc_map = (uint8_t*)
		ped_malloc (map_sectors * PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->alloc_map) goto hpo_dm;

	priv_data->allocation_file =
		hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFSP_ALLOC_ID),
				   vh->allocation_file.extents,
				   PED_BE64_TO_CPU (
					vh->allocation_file.logical_size)
				   / PED_SECTOR_SIZE_DEFAULT);
	if (!priv_data->allocation_file) goto hpo_am;
	if (!hfsplus_file_read (priv_data->allocation_file,
				priv_data->alloc_map, 0, map_sectors)) {
		hfsplus_close(fs);
		return NULL;
	}

	fs->type = &hfsplus_type;
	fs->checked = ((PED_BE32_TO_CPU (vh->attributes) >> HFS_UNMOUNTED) & 1)
	      && !((PED_BE32_TO_CPU (vh->attributes) >> HFSP_INCONSISTENT) & 1);

	return fs;

/*--- clean error handling ---*/
hpo_am: free(priv_data->alloc_map);
hpo_dm: free(priv_data->dirty_alloc_map);
hpo_cl: hfsplus_file_close (priv_data->attributes_file);
hpo_cc:	hfsplus_file_close (priv_data->catalog_file);
hpo_ce:	hfsplus_file_close (priv_data->extents_file);
hpo_pg: if (priv_data->free_geom) ped_geometry_destroy (priv_data->plus_geom);
hpo_wr: if (priv_data->wrapper) hfs_close(priv_data->wrapper);
hpo_gm: ped_geometry_destroy (fs->geom);
hpo_pd: free(priv_data);
hpo_vh: free(vh);
hpo_fs: free(fs);
hpo:	return NULL;
}
Exemplo n.º 18
0
static int
hfsj_replay_transaction(PedFileSystem* fs, HfsJJournalHeader* jh,
			PedSector jsector, PedSector jlength)
{
	PedSector		start, sector;
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	HfsJBlockListHeader*	blhdr;
	uint8_t*		block;
	unsigned int		blhdr_nbsect;
	int			i, r;
	uint32_t		cksum, size;

	blhdr_nbsect = PED_BE32_TO_CPU(jh->blhdr_size) / PED_SECTOR_SIZE_DEFAULT;
	blhdr = (HfsJBlockListHeader*)
		  ped_malloc (blhdr_nbsect * PED_SECTOR_SIZE_DEFAULT);
	if (!blhdr) return 0;

	start = PED_BE64_TO_CPU(jh->start) / PED_SECTOR_SIZE_DEFAULT;
	do {
		start = hfsj_journal_read(priv_data->plus_geom, jh, jsector,
					  jlength, start, blhdr_nbsect, blhdr);
		if (!start) goto err_replay;
		
		cksum = PED_BE32_TO_CPU(blhdr->checksum);
		blhdr->checksum = 0;
		if (cksum!=hfsj_calc_checksum((uint8_t*)blhdr, sizeof(*blhdr))){
			ped_exception_throw (
				PED_EXCEPTION_ERROR,
				PED_EXCEPTION_CANCEL,
				_("Bad block list header checksum."));
			goto err_replay;
		}
		blhdr->checksum = PED_CPU_TO_BE32(cksum);
		
		for (i=1; i < PED_BE16_TO_CPU(blhdr->num_blocks); ++i) {
			size = PED_BE32_TO_CPU(blhdr->binfo[i].bsize);
			sector = PED_BE64_TO_CPU(blhdr->binfo[i].bnum);
			if (!size) continue;
			if (size % PED_SECTOR_SIZE_DEFAULT) {
				ped_exception_throw(
					PED_EXCEPTION_ERROR,
					PED_EXCEPTION_CANCEL,
					_("Invalid size of a transaction "
					  "block while replaying the journal "
					  "(%i bytes)."),
					size);
				goto err_replay;
			}
			block = (uint8_t*) ped_malloc(size);
			if (!block) goto err_replay;
			start = hfsj_journal_read(priv_data->plus_geom, jh,
						  jsector, jlength, start,
						  size / PED_SECTOR_SIZE_DEFAULT,
						  block);
			if (!start) {
				ped_free (block);
				goto err_replay;
			}
			/* the sector stored in the journal seems to be
			   relative to the begin of the block device which
			   contains the hfs+ journaled volume */
			if (sector != ~0LL)
				r = ped_geometry_write (fs->geom, block, sector,
							size / PED_SECTOR_SIZE_DEFAULT);
			else
				r = 1;
			ped_free (block);
			/* check if wrapper mdb or vh with no wrapper has
			   changed */
			if (   (sector != ~0LL)
			    && (2 >= sector)
			    && (2 < sector + size / PED_SECTOR_SIZE_DEFAULT) )
				hfsj_vh_replayed = 1;
			/* check if vh of embedded hfs+ has changed */
			if (   (sector != ~0LL)
			    && (priv_data->plus_geom != fs->geom)
			    && (sector
			        + fs->geom->start
				- priv_data->plus_geom->start <= 2)
			    && (sector
			        + size / PED_SECTOR_SIZE_DEFAULT
				+ fs->geom->start
				- priv_data->plus_geom->start > 2) )
				hfsj_vh_replayed = 1;
			if (!r) goto err_replay;
		}
	} while (blhdr->binfo[0].next);

	jh->start = PED_CPU_TO_BE64(start * PED_SECTOR_SIZE_DEFAULT);

	ped_free (blhdr);
	return (ped_geometry_sync (fs->geom));

err_replay:
	ped_free (blhdr);
	return 0;
}
Exemplo n.º 19
0
/* 1 => Success, the journal has been completly replayed, or don't need to */
int
hfsj_replay_journal(PedFileSystem* fs)
{
	uint8_t			buf[PED_SECTOR_SIZE_DEFAULT];
	PedSector		sector, length;
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						    fs->type_specific;
	HfsJJournalInfoBlock*	jib;
	HfsJJournalHeader*	jh;
	int			binsect;
	uint32_t		cksum;

	binsect = PED_BE32_TO_CPU(priv_data->vh->block_size) / PED_SECTOR_SIZE_DEFAULT;
	priv_data->jib_start_block =
		PED_BE32_TO_CPU(priv_data->vh->journal_info_block);
	sector  = (PedSector) priv_data->jib_start_block * binsect;
	if (!ped_geometry_read(priv_data->plus_geom, buf, sector, 1))
		return 0;
	jib = (HfsJJournalInfoBlock*) buf;

	if (    (jib->flags & PED_CPU_TO_BE32(1 << HFSJ_JOURN_IN_FS))
	    && !(jib->flags & PED_CPU_TO_BE32(1 << HFSJ_JOURN_OTHER_DEV)) ) {
		priv_data->jl_start_block = HFS_64_TO_CPU(jib->offset, is_le)
					    / ( PED_SECTOR_SIZE_DEFAULT * binsect );
	}

	if (jib->flags & PED_CPU_TO_BE32(1 << HFSJ_JOURN_NEED_INIT))
		return 1;

	if (  !(jib->flags & PED_CPU_TO_BE32(1 << HFSJ_JOURN_IN_FS))
	    || (jib->flags & PED_CPU_TO_BE32(1 << HFSJ_JOURN_OTHER_DEV)) ) {
		ped_exception_throw (
			PED_EXCEPTION_NO_FEATURE,
			PED_EXCEPTION_CANCEL,
			_("Journal stored outside of the volume are "
			  "not supported.  Try to desactivate the "
			  "journal and run Parted again."));
		return 0;
	}

	if (   (PED_BE64_TO_CPU(jib->offset) % PED_SECTOR_SIZE_DEFAULT)
	    || (PED_BE64_TO_CPU(jib->size)   % PED_SECTOR_SIZE_DEFAULT) ) {
		ped_exception_throw (
			PED_EXCEPTION_NO_FEATURE,
			PED_EXCEPTION_CANCEL,
			_("Journal offset or size is not multiple of "
			  "the sector size."));
		return 0;
	}

	sector = PED_BE64_TO_CPU(jib->offset) / PED_SECTOR_SIZE_DEFAULT;
	length = PED_BE64_TO_CPU(jib->size)   / PED_SECTOR_SIZE_DEFAULT;

	jib = NULL;
	if (!ped_geometry_read(priv_data->plus_geom, buf, sector, 1))
		return 0;
	jh = (HfsJJournalHeader*) buf;

	if (jh->endian == PED_LE32_TO_CPU(HFSJ_ENDIAN_MAGIC))
	    is_le = 1;

	if (   (jh->magic  != HFS_32_TO_CPU(HFSJ_HEADER_MAGIC, is_le))
	    || (jh->endian != HFS_32_TO_CPU(HFSJ_ENDIAN_MAGIC, is_le)) ) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Incorrect magic values in the journal header."));
		return 0;
	}

	if ( (HFS_64_TO_CPU(jh->size, is_le)%PED_SECTOR_SIZE_DEFAULT)
	  || (HFS_64_TO_CPU(jh->size, is_le)/PED_SECTOR_SIZE_DEFAULT
		  != (uint64_t)length) ) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Journal size mismatch between journal info block "
			  "and journal header."));
		return 0;
	}

	if (   (HFS_64_TO_CPU(jh->start, is_le) % PED_SECTOR_SIZE_DEFAULT)
	    || (HFS_64_TO_CPU(jh->end, is_le)   % PED_SECTOR_SIZE_DEFAULT)
	    || (HFS_32_TO_CPU(jh->blhdr_size, is_le) % PED_SECTOR_SIZE_DEFAULT)
	    || (HFS_32_TO_CPU(jh->jhdr_size, is_le)  % PED_SECTOR_SIZE_DEFAULT) ) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Some header fields are not multiple of the sector "
			  "size."));
		return 0;
	}

	if (HFS_32_TO_CPU(jh->jhdr_size, is_le) != PED_SECTOR_SIZE_DEFAULT) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("The sector size stored in the journal is not 512 "
			  "bytes.  Parted only supports 512 bytes length "
			  "sectors."));
		return 0;
	}

	cksum = HFS_32_TO_CPU(jh->checksum, is_le);
	jh->checksum = 0;
	if (cksum != hfsj_calc_checksum((uint8_t*)jh, sizeof(*jh))) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("Bad journal checksum."));
		return 0;
	}
	jh->checksum = HFS_CPU_TO_32(cksum, is_le);

	/* The 2 following test are in the XNU Darwin source code */
	/* so I assume they're needed */
	if (jh->start == jh->size)
		jh->start = HFS_CPU_TO_64(PED_SECTOR_SIZE_DEFAULT, is_le);
	if (jh->end   == jh->size)
		jh->start = HFS_CPU_TO_64(PED_SECTOR_SIZE_DEFAULT, is_le);

	if (jh->start == jh->end)
		return 1;

	if (ped_exception_throw (
		PED_EXCEPTION_WARNING,
		PED_EXCEPTION_FIX | PED_EXCEPTION_CANCEL,
		_("The journal is not empty.  Parted must replay the "
		  "transactions before opening the file system.  This will "
		  "modify the file system."))
			!= PED_EXCEPTION_FIX)
		return 0;

	while (jh->start != jh->end) {
		/* Replay one complete transaction */
		if (!hfsj_replay_transaction(fs, jh, sector, length))
			return 0;

		/* Recalculate cksum of the journal header */
		jh->checksum = 0; /* need to be 0 while calculating the cksum */
		cksum = hfsj_calc_checksum((uint8_t*)jh, sizeof(*jh));
		jh->checksum = HFS_CPU_TO_32(cksum, is_le);

		/* Update the Journal Header */
		if (!ped_geometry_write(priv_data->plus_geom, buf, sector, 1)
		    || !ped_geometry_sync(priv_data->plus_geom))
			return 0;
	}

	if (hfsj_vh_replayed) {
		/* probe could have reported incorrect info ! */
		/* is there a way to ask parted to quit ? */
		ped_exception_throw(
			PED_EXCEPTION_WARNING,
			PED_EXCEPTION_OK,
			_("The volume header or the master directory block has "
			  "changed while replaying the journal.  You should "
			  "restart Parted."));
		return 0;
	}

	return 1;
}
Exemplo n.º 20
0
static PedPartition*
amiga_partition_new (const PedDisk* disk, PedPartitionType part_type,
		   const PedFileSystemType* fs_type,
		   PedSector start, PedSector end)
{
	PedPartition *part;
	PedDevice *dev;
	PedSector cyl;
	struct PartitionBlock *partition;
	struct RigidDiskBlock *rdb;

	PED_ASSERT(disk != NULL);
	PED_ASSERT(disk->dev != NULL);
	PED_ASSERT(disk->disk_specific != NULL);
	dev = disk->dev;
	cyl = (PedSector) (dev->hw_geom.sectors * dev->hw_geom.heads);
	rdb = RDSK(disk->disk_specific);

	if (!(part = _ped_partition_alloc (disk, part_type, fs_type, start, end)))
		return NULL;

	if (ped_partition_is_active (part)) {
		if (!(part->disk_specific = ped_malloc (disk->dev->sector_size))) {
			free (part);
			return NULL;
		}
		partition = PART(part->disk_specific);
		memset(partition, 0, sizeof(struct PartitionBlock));

		partition->pb_ID = PED_CPU_TO_BE32(IDNAME_PARTITION);
		partition->pb_SummedLongs = PED_CPU_TO_BE32(64);
		partition->pb_HostID = rdb->rdb_HostID;
		partition->pb_Flags = PED_CPU_TO_BE32(0);
		/* TODO : use a scheme including the device name and the
		 * partition number, if it is possible */
		_amiga_set_bstr("dhx", partition->pb_DriveName, 32);

		partition->de_TableSize = PED_CPU_TO_BE32(19);
		partition->de_SizeBlock = PED_CPU_TO_BE32(128);
		partition->de_SecOrg = PED_CPU_TO_BE32(0);
		partition->de_Surfaces = PED_CPU_TO_BE32(dev->hw_geom.heads);
		partition->de_SectorPerBlock = PED_CPU_TO_BE32(1);
		partition->de_BlocksPerTrack
			= PED_CPU_TO_BE32(dev->hw_geom.sectors);
		partition->de_Reserved = PED_CPU_TO_BE32(2);
		partition->de_PreAlloc = PED_CPU_TO_BE32(0);
		partition->de_Interleave = PED_CPU_TO_BE32(0);
		partition->de_LowCyl = PED_CPU_TO_BE32(start/cyl);
		partition->de_HighCyl = PED_CPU_TO_BE32((end+1)/cyl-1);
		partition->de_NumBuffers = PED_CPU_TO_BE32(30);
		partition->de_BufMemType = PED_CPU_TO_BE32(0);
		partition->de_MaxTransfer = PED_CPU_TO_BE32(0x7fffffff);
		partition->de_Mask = PED_CPU_TO_BE32(0xffffffff);
		partition->de_BootPri = PED_CPU_TO_BE32(0);
		partition->de_DosType = PED_CPU_TO_BE32(0x4c4e5800);
		partition->de_Baud = PED_CPU_TO_BE32(0);
		partition->de_Control = PED_CPU_TO_BE32(0);
		partition->de_BootBlocks = PED_CPU_TO_BE32(0);

	} else {
		part->disk_specific = NULL;
	}
	return part;
}
Exemplo n.º 21
0
Arquivo: hfs.c Projeto: Excito/parted
/* Update the HFS wrapper mdb and bad blocks file to reflect
   the new geometry of the embedded HFS+ volume */
static int
hfsplus_wrapper_update (PedFileSystem* fs)
{
	uint8_t			node[PED_SECTOR_SIZE_DEFAULT];
	HfsCPrivateLeafRec	ref;
	HfsExtentKey		key;
	HfsNodeDescriptor*	node_desc = (HfsNodeDescriptor*) node;
	HfsExtentKey*		ret_key;
	HfsExtDescriptor*	ret_data;
	unsigned int		i;
	HfsPPrivateFSData* 	priv_data = (HfsPPrivateFSData*)
						fs->type_specific;
	HfsPrivateFSData* 	hfs_priv_data = (HfsPrivateFSData*)
					    priv_data->wrapper->type_specific;
	unsigned int		hfs_sect_block =
			PED_BE32_TO_CPU (hfs_priv_data->mdb->block_size)
			/ PED_SECTOR_SIZE_DEFAULT ;
	PedSector		hfsplus_sect = (PedSector)
			PED_BE32_TO_CPU (priv_data->vh->total_blocks)
			* ( PED_BE32_TO_CPU (priv_data->vh->block_size)
			    / PED_SECTOR_SIZE_DEFAULT );
	unsigned int		hfs_blocks_embedded =
				    (hfsplus_sect + hfs_sect_block - 1)
				    / hfs_sect_block;
	unsigned int		hfs_blocks_embedded_old;

	/* update HFS wrapper MDB */
	hfs_blocks_embedded_old = PED_BE16_TO_CPU (
					hfs_priv_data->mdb->old_new
					.embedded.location.block_count );
	hfs_priv_data->mdb->old_new.embedded.location.block_count =
		PED_CPU_TO_BE16 (hfs_blocks_embedded);
	/* maybe macOS will boot with this */
	/* update : yes it does \o/ :) */
	hfs_priv_data->mdb->free_blocks =
	    PED_CPU_TO_BE16 ( PED_BE16_TO_CPU (hfs_priv_data->mdb->free_blocks)
	                    + hfs_blocks_embedded_old
			    - hfs_blocks_embedded );

	if (!hfs_update_mdb(priv_data->wrapper))
		return 0;

	/* force reload bad block list */
	if (hfs_priv_data->bad_blocks_loaded) {
		hfs_free_bad_blocks_list (hfs_priv_data->bad_blocks_xtent_list);
		hfs_priv_data->bad_blocks_xtent_list = NULL;
		hfs_priv_data->bad_blocks_xtent_nb = 0;
		hfs_priv_data->bad_blocks_loaded = 0;
	}

	/* clean HFS wrapper allocation map */
	for (i = PED_BE16_TO_CPU (
			hfs_priv_data->mdb->old_new.embedded
			.location.start_block )
		 + hfs_blocks_embedded;
	     i < PED_BE16_TO_CPU (
	    		hfs_priv_data->mdb->old_new.embedded
			.location.start_block )
		 + hfs_blocks_embedded_old;
	     i++ ) {
		CLR_BLOC_OCCUPATION(hfs_priv_data->alloc_map, i);
	}
	/* and save it */
	if (!ped_geometry_write (fs->geom, hfs_priv_data->alloc_map,
				 PED_BE16_TO_CPU (
				      hfs_priv_data->mdb->volume_bitmap_block ),
				 ( PED_BE16_TO_CPU (
				        hfs_priv_data->mdb->total_blocks )
				   + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
				 / (PED_SECTOR_SIZE_DEFAULT * 8)))
		return 0;
	if (!ped_geometry_sync (fs->geom))
		return 0;

	/* search and update the bad blocks file */
	key.key_length = sizeof(key) - 1;
	key.type = HFS_DATA_FORK;
	key.file_ID = PED_CPU_TO_BE32 (HFS_BAD_BLOCK_ID);
	key.start = 0;
	if (!hfs_btree_search (hfs_priv_data->extent_file,
			       (HfsPrivateGenericKey*) &key, NULL, 0, &ref)) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			_("An error occurred while looking for the mandatory "
			  "bad blocks file."));
		return 0;
	}
	if (!hfs_file_read_sector (hfs_priv_data->extent_file, node,
				   ref.node_number))
		return 0;
	ret_key = (HfsExtentKey*) (node + ref.record_pos);
	ret_data = (HfsExtDescriptor*) ( node + ref.record_pos
					 + sizeof (HfsExtentKey) );

	while (ret_key->type == key.type && ret_key->file_ID == key.file_ID) {
		for (i = 0; i < HFS_EXT_NB; i++) {
			if ( ret_data[i].start_block
			     == hfs_priv_data->mdb->old_new
			        .embedded.location.start_block) {
				ret_data[i].block_count =
				    hfs_priv_data->mdb->old_new
				    .embedded.location.block_count;
				/* found ! : update */
				if (!hfs_file_write_sector (
					  hfs_priv_data->extent_file,
					  node, ref.node_number)
				    || !ped_geometry_sync(fs->geom))
					return 0;
				return 1;
			}
		}

		if (ref.record_number < PED_BE16_TO_CPU (node_desc->rec_nb)) {
			ref.record_number++;
		} else {
			ref.node_number = PED_BE32_TO_CPU (node_desc->next);
			if (!ref.node_number
			    || !hfs_file_read_sector(hfs_priv_data->extent_file,
						     node, ref.node_number))
				goto bb_not_found;
			ref.record_number = 1;
		}

		ref.record_pos =
			PED_BE16_TO_CPU (*((uint16_t *)
				(node + (PED_SECTOR_SIZE_DEFAULT
				         - 2*ref.record_number))));
		ret_key = (HfsExtentKey*) (node + ref.record_pos);
		ret_data = (HfsExtDescriptor*) ( node + ref.record_pos
						 + sizeof (HfsExtentKey) );
	}

bb_not_found:
	/* not found : not a valid hfs+ wrapper : failure */
	ped_exception_throw (
		PED_EXCEPTION_ERROR,
		PED_EXCEPTION_CANCEL,
		_("It seems there is an error in the HFS wrapper: the bad "
		  "blocks file doesn't contain the embedded HFS+ volume."));
	return 0;
}
Exemplo n.º 22
0
static int
amiga_partition_set_system (PedPartition* part,
                            const PedFileSystemType* fs_type)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);
	partition = PART(part->disk_specific);

	part->fs_type = fs_type;

	if (!fs_type)
		partition->de_DosType = PED_CPU_TO_BE32(0x4c4e5800); /* 'LNX\0' */
	else if (!strcmp (fs_type->name, "ext2"))
		partition->de_DosType = PED_CPU_TO_BE32(0x4c4e5800); /* 'LNX\0' */
	else if (!strcmp (fs_type->name, "ext3"))
		partition->de_DosType = PED_CPU_TO_BE32(0x45585403); /* 'EXT\3' */
	else if (is_linux_swap (fs_type->name))
		partition->de_DosType = PED_CPU_TO_BE32(0x53575000); /* 'SWP\0' */
	else if (!strcmp (fs_type->name, "fat16"))
		partition->de_DosType = PED_CPU_TO_BE32(0x46415400); /* 'FAT\0' */
	else if (!strcmp (fs_type->name, "fat32"))
		partition->de_DosType = PED_CPU_TO_BE32(0x46415401); /* 'FAT\1'*/
	else if (!strcmp (fs_type->name, "hfs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x48465300); /* 'HFS\0' */
	else if (!strcmp (fs_type->name, "jfs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x4a465300); /* 'JFS\0' */
	else if (!strcmp (fs_type->name, "ntfs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x4e544653); /* 'NTFS' */
	else if (!strcmp (fs_type->name, "reiserfs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x52465300); /* 'RFS\0' */
	else if (!strcmp (fs_type->name, "sun-ufs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x53554653); /* 'SUFS' */
	else if (!strcmp (fs_type->name, "hp-ufs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x48554653); /* 'HUFS' */
	else if (!strcmp (fs_type->name, "xfs"))
		partition->de_DosType = PED_CPU_TO_BE32(0x58465300); /* 'XFS\0' */
	else
		partition->de_DosType = PED_CPU_TO_BE32(0x00000000); /* unknown */
	return 1;
}