Example #1
0
/* Creates an item tree node from the descriptor index
 *
 * If a descriptor index value has no existing parent it is added to the orphan node list
 * and the function will return 0
 *
 * Returns 1 if successful, 0 if the item tree node could not be created or -1 on error
 */
int libpff_item_tree_create_node(
     libcdata_tree_node_t *item_tree_root_node,
     libbfio_handle_t *file_io_handle,
     libfdata_tree_t *descriptor_index_tree,
     libfdata_tree_node_t *descriptor_index_tree_node,
     libfcache_cache_t *index_tree_cache,
     libcdata_list_t *orphan_node_list,
     libcdata_tree_node_t **root_folder_item_tree_node,
     libcerror_error_t **error )
{
	libcdata_tree_node_t *item_tree_node                    = NULL;
	libcdata_tree_node_t *parent_node                       = NULL;
	libfdata_tree_node_t *descriptor_index_tree_parent_node = NULL;
	libfdata_tree_node_t *descriptor_index_tree_sub_node    = NULL;
	libpff_index_value_t *descriptor_index_value            = NULL;
	libpff_item_descriptor_t *item_descriptor               = NULL;
	static char *function                                   = "libpff_item_tree_create_node";
	int leaf_node_index                                     = 0;
	int number_of_sub_nodes                                 = 0;
	int result                                              = 0;
	int sub_node_index                                      = 0;

	if( item_tree_root_node == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid item tree root node.",
		 function );

		return( -1 );
	}
	if( orphan_node_list == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid orphan node list.",
		 function );

		return( -1 );
	}
	if( root_folder_item_tree_node == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid root folder item tree node.",
		 function );

		return( -1 );
	}
	/* Check if the index node can be read
	 */
	if( libfdata_tree_node_get_number_of_sub_nodes(
	     descriptor_index_tree_node,
	     (intptr_t *) file_io_handle,
	     index_tree_cache,
	     &number_of_sub_nodes,
	     0,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve number of sub nodes from descriptor index tree node.",
		 function );

#if defined( HAVE_DEBUG_OUTPUT )
		if( ( libcnotify_verbose != 0 )
		 && ( error != NULL )
		 && ( *error != NULL ) )
		{
			libcnotify_print_error_backtrace(
			 *error );
		}
#endif
		libcerror_error_free(
		 error );

/* TODO flag corrupt item tree */

		return( 0 );
	}
	result = libfdata_tree_node_is_deleted(
	          descriptor_index_tree_node,
	          error );

	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to determine if descriptor index tree sub node: %d is deleted.",
		 function,
		 sub_node_index );

		return( -1 );
	}
	else if( result != 0 )
	{
		return( 0 );
	}
	result = libfdata_tree_node_is_leaf(
	          descriptor_index_tree_node,
	          (intptr_t *) file_io_handle,
	          index_tree_cache,
	          0,
	          error );

	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to determine if descriptor index tree sub node: %d is a leaf node.",
		 function,
		 sub_node_index );

		return( -1 );
	}
	else if( result == 0 )
	{
		for( sub_node_index = 0;
		     sub_node_index < number_of_sub_nodes;
		     sub_node_index++ )
		{
			if( libfdata_tree_node_get_sub_node_by_index(
			     descriptor_index_tree_node,
			     (intptr_t *) file_io_handle,
			     index_tree_cache,
			     sub_node_index,
			     &descriptor_index_tree_sub_node,
			     0,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
				 "%s: unable to retrieve sub node: %d from descriptor index tree node.",
				 function,
				 sub_node_index );

				return( -1 );
			}
			result = libpff_item_tree_create_node(
			          item_tree_root_node,
			          file_io_handle,
			          descriptor_index_tree,
			          descriptor_index_tree_sub_node,
			          index_tree_cache,
			          orphan_node_list,
			          root_folder_item_tree_node,
			          error );

			if( result == -1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
				 "%s: unable to create index tree from descriptor index tree sub node: %d.",
				 function,
				 sub_node_index );

				return( -1 );
			}
		}
	}
	else
	{
		if( libfdata_tree_node_get_node_value(
		     descriptor_index_tree_node,
		     (intptr_t *) file_io_handle,
		     index_tree_cache,
		     (intptr_t **) &descriptor_index_value,
		     0,
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve descriptor index tree sub node value.",
			 function );

			return( -1 );
		}
		if( descriptor_index_value == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
			 "%s: missing descriptor index tree sub node value.",
			 function );

			return( -1 );
		}
		if( descriptor_index_value->identifier > (uint64_t) UINT32_MAX )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
			 "%s: descriptor index identifier value exceeds maximum.",
			 function );

			return( -1 );
		}
		/* Create a new item descriptor
		 */
		if( libpff_item_descriptor_initialize(
		     &item_descriptor,
		     (uint32_t) descriptor_index_value->identifier,
		     descriptor_index_value->data_identifier,
		     descriptor_index_value->local_descriptors_identifier,
		     0,
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
			 "%s: unable to create item descriptor.",
			 function );

			return( -1 );
		}
		if( item_descriptor == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
			 "%s: missing item descriptor.",
			 function );

			return( -1 );
		}
		/* The root folder index descriptor points to itself as its parent
		 */
		if( descriptor_index_value->identifier == descriptor_index_value->parent_identifier )
		{
			if( *root_folder_item_tree_node != NULL )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
				 "%s: root folder item tree node already set.",
				 function );

				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );

				return( -1 );
			}
			if( libcdata_tree_node_initialize(
			     root_folder_item_tree_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
				 "%s: unable to create root folder item tree node.",
				 function );

				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );

				return( -1 );
			}
			if( libcdata_tree_node_set_value(
			     *root_folder_item_tree_node,
			     (intptr_t *) item_descriptor,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to set item descriptor in root folder item tree node.",
				 function );

				libcdata_tree_node_free(
				 root_folder_item_tree_node,
				 NULL,
				 NULL );
				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );

				return( -1 );
			}
			result = libcdata_tree_node_insert_node(
				  item_tree_root_node,
				  *root_folder_item_tree_node,
				  (int (*)(intptr_t *, intptr_t *, libcerror_error_t **)) &libpff_item_descriptor_compare,
				  LIBCDATA_INSERT_FLAG_UNIQUE_ENTRIES,
			          NULL );

			/* Free the node if it could not be inserted
			 */
			if( result != 1 )
			{
				libcdata_tree_node_free(
				 root_folder_item_tree_node,
				 (int (*)(intptr_t **, libcerror_error_t **)) &libpff_item_descriptor_free,
				 NULL );
			}
			if( result == -1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
				 "%s: unable to insert item descriptor in item tree node.",
				 function );

				return( -1 );
			}
		}
		else
		{
			result = libpff_item_tree_get_tree_node_by_identifier(
				  item_tree_root_node,
				  descriptor_index_value->parent_identifier,
				  &parent_node,
			          error );

			if( result == 0 )
			{
#if defined( HAVE_DEBUG_OUTPUT )
				if( libcnotify_verbose != 0 )
				{
					libcnotify_printf(
					 "%s: reading ahead for descriptor: %" PRIu64 " parent %" PRIu32 ".\n",
					 function,
					 descriptor_index_value->identifier,
					 descriptor_index_value->parent_identifier );
				}
#endif

				result = libpff_index_tree_get_leaf_node_by_identifier(
					  descriptor_index_tree,
					  file_io_handle,
					  index_tree_cache,
					  descriptor_index_value->parent_identifier,
					  &leaf_node_index,
					  &descriptor_index_tree_parent_node,
				          error );

				if( result == 1 )
				{
					if( descriptor_index_tree_parent_node == NULL )
					{
						libcerror_error_set(
						 error,
						 LIBCERROR_ERROR_DOMAIN_RUNTIME,
						 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
						 "%s: invalid descriptor index tree parent node.",
						 function );

						libpff_item_descriptor_free(
						 &item_descriptor,
						 NULL );

						return( -1 );
					}
					result = libpff_item_tree_create_node(
					          item_tree_root_node,
					          file_io_handle,
					          descriptor_index_tree,
					          descriptor_index_tree_parent_node,
					          index_tree_cache,
					          orphan_node_list,
					          root_folder_item_tree_node,
					          error );

					if( result == -1 )
					{
						libcerror_error_set(
						 error,
						 LIBCERROR_ERROR_DOMAIN_RUNTIME,
						 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
						 "%s: unable to create index tree from descriptor index tree parent node: %" PRIu32 ".",
						 function,
						 descriptor_index_value->parent_identifier );

						libpff_item_descriptor_free(
						 &item_descriptor,
						 NULL );

						return( -1 );
					}
					parent_node = NULL;

					result = libpff_item_tree_get_tree_node_by_identifier(
						  item_tree_root_node,
						  descriptor_index_value->parent_identifier,
						  &parent_node,
					          error );
				}
			}
			if( result == -1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
				 "%s: unable to find parent node: %" PRIu32 ".",
				 function,
				 descriptor_index_value->parent_identifier );

				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );

				return( -1 );
			}
			else if( result == 0 )
			{
#if defined( HAVE_DEBUG_OUTPUT )
				if( libcnotify_verbose != 0 )
				{
					libcnotify_printf(
					 "%s: parent node: %" PRIu32 " missing - found orphan node: %" PRIu64 ".\n",
					 function,
					 descriptor_index_value->parent_identifier,
					 descriptor_index_value->identifier );
				}
#endif
				if( libcdata_tree_node_initialize(
				     &item_tree_node,
				     error ) != 1 )
				{
					libcerror_error_set(
					 error,
					 LIBCERROR_ERROR_DOMAIN_RUNTIME,
					 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
					 "%s: unable to create item tree node.",
					 function );

					libpff_item_descriptor_free(
					 &item_descriptor,
					 NULL );

					return( -1 );
				}
				if( libcdata_tree_node_set_value(
				     item_tree_node,
				     (intptr_t *) item_descriptor,
				     error ) != 1 )
				{
					libcerror_error_set(
					 error,
					 LIBCERROR_ERROR_DOMAIN_RUNTIME,
					 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
					 "%s: unable to set item descriptor in item tree root node.",
					 function );

					libcdata_tree_node_free(
					 &item_tree_node,
					 NULL,
					 NULL );
					libpff_item_descriptor_free(
					 &item_descriptor,
					 NULL );

					return( -1 );
				}
				item_descriptor = NULL;

				if( libcdata_list_append_value(
				     orphan_node_list,
				     (intptr_t *) item_tree_node,
				     error ) != 1 )
				{
					libcerror_error_set(
					 error,
					 LIBCERROR_ERROR_DOMAIN_RUNTIME,
					 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
					 "%s: unable to append orphan node in orphan node list.",
					 function );

					libcdata_tree_node_free(
					 &item_tree_node,
					 (int (*)(intptr_t **, libcerror_error_t **)) &libpff_item_descriptor_free,
					 NULL );

					return( -1 );
				}
				return( 0 );
			}
			if( parent_node == NULL )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
				 "%s: invalid parent node.",
				 function );

				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );

				return( -1 );
			}
			result = libcdata_tree_node_insert_value(
				  parent_node,
				  (intptr_t *) item_descriptor,
				  (int (*)(intptr_t *, intptr_t *, libcerror_error_t **)) &libpff_item_descriptor_compare,
				  LIBCDATA_INSERT_FLAG_UNIQUE_ENTRIES,
			          error );

			/* Free the node if it could not be inserted
			 */
			if( result != 1 )
			{
				libpff_item_descriptor_free(
				 &item_descriptor,
				 NULL );
			}
			if( result == -1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
				 "%s: unable to insert item descriptor in item tree node.",
				 function );

				return( -1 );
			}
		}
	}
	return( 1 );
}
/* Process the directory entry and adds it to the directory tree node
 * Returns 1 if succesful or -1 on error
 */
int libolecf_directory_tree_create_process_entry(
     libcdata_tree_node_t *directory_tree_node,
     const libolecf_directory_entry_t *root_directory_entry,
     libolecf_directory_entry_t **document_summary_information_directory_entry,
     libolecf_directory_entry_t **summary_information_directory_entry,
     libcdata_list_t *directory_entry_list,
     libolecf_directory_entry_t *directory_entry,
     uint8_t byte_order,
     libcerror_error_t **error )
{
	libcdata_tree_node_t *parent_node                 = NULL;
	libolecf_directory_entry_t *directory_entry_value = NULL;
	libcdata_tree_node_t *tree_node                   = NULL;
	static char *function                             = "libolecf_directory_tree_create_process_entry";
	int result                                        = 0;

	if( directory_tree_node == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid directory tree node.",
		 function );

		return( -1 );
	}
	if( root_directory_entry == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid root directory entry.",
		 function );

		return( -1 );
	}
	if( document_summary_information_directory_entry == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid document summary information directory entry.",
		 function );

		return( -1 );
	}
	if( summary_information_directory_entry == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid summary information directory entry.",
		 function );

		return( -1 );
	}
	if( directory_entry->name_size == 28 )
	{
		result = libuna_utf8_string_compare_with_utf16_stream(
		          (uint8_t *) "\005DocumentSummaryInformation",
		          28,
		          directory_entry->name,
		          directory_entry->name_size,
		          byte_order,
		          error );

		if( result == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GENERIC,
			 "%s: unable to compare directory entry name.",
			 function );

			goto on_error;
		}
		else if( result == 1 )
		{
			*document_summary_information_directory_entry = directory_entry;
		}
	}
	else if( directory_entry->name_size == 20 )
	{
		result = libuna_utf8_string_compare_with_utf16_stream(
		          (uint8_t *) "\005SummaryInformation",
		          20,
		          directory_entry->name,
		          directory_entry->name_size,
		          byte_order,
		          error );

		if( result == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GENERIC,
			 "%s: unable to compare directory entry name.",
			 function );

			goto on_error;
		}
		else if( result == 1 )
		{
			*summary_information_directory_entry = directory_entry;
		}
	}
	/* Process sub directory identifier
	 */
	if( ( directory_entry->sub_directory_identifier != LIBOLECF_SECTOR_IDENTIFIER_UNUSED )
	 && ( directory_entry->sub_directory_identifier != 0 )
	 && ( root_directory_entry->directory_identifier == 0 ) )
	{
		result = libolecf_directory_list_get_element_by_identifier(
		          directory_entry_list,
		          directory_entry->sub_directory_identifier,
		          &directory_entry_value,
		          error );

		if( result == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve sub directory entry list element: %" PRIu32 ".",
			 function,
			 directory_entry->sub_directory_identifier );

			goto on_error;
		}
		else if( result != 0 )
		{
			if( directory_entry_value == NULL )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
				 "%s: missing sub directory entry: %" PRIu32 ".",
				 function,
				 directory_entry->sub_directory_identifier );

				goto on_error;
			}
			if( directory_entry_value->set_in_tree != 0 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
				 "%s: directory entry tree node already set.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_initialize(
			     &tree_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
				 "%s: unable to create directory tree node.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_set_value(
			     tree_node,
			     (intptr_t *) directory_entry_value,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to set directory tree node value.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_insert_node(
			     directory_tree_node,
			     tree_node,
			     (int (*)(intptr_t *, intptr_t *, libcerror_error_t **)) &libolecf_directory_entry_compare,
			     LIBCDATA_INSERT_FLAG_UNIQUE_ENTRIES,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
				 "%s: unable to insert sub directory tree node.",
				 function );

				goto on_error;
			}
			directory_entry_value->set_in_tree = 1;

			if( libolecf_directory_tree_create_process_entry(
			     tree_node,
			     root_directory_entry,
			     document_summary_information_directory_entry,
			     summary_information_directory_entry,
			     directory_entry_list,
			     directory_entry_value,
			     byte_order,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to process sub directory entry.",
				 function );

				tree_node = NULL;

				goto on_error;
			}
			tree_node = NULL;
		}
	}
	/* Process previous directory identifier
	 */
	if( directory_entry->previous_directory_identifier != LIBOLECF_SECTOR_IDENTIFIER_UNUSED )
	{
		result = libolecf_directory_list_get_element_by_identifier(
		          directory_entry_list,
		          (int) directory_entry->previous_directory_identifier,
		          &directory_entry_value,
		          error );

		if( result == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve previous directory entry: 0x%08" PRIx32 ".",
			 function,
			 directory_entry->previous_directory_identifier );

			goto on_error;
		}
		else if( result != 0 )
		{
			if( directory_entry_value == NULL )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
				 "%s: missing previous directory entry: %" PRIu32 ".",
				 function,
				 directory_entry->previous_directory_identifier );

				goto on_error;
			}
			if( directory_entry_value->set_in_tree != 0 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
				 "%s: directory entry tree node already set.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_initialize(
			     &tree_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
				 "%s: unable to create directory tree node.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_set_value(
			     tree_node,
			     (intptr_t *) directory_entry_value,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to set directory tree node value.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_get_parent_node(
			     directory_tree_node,
			     &parent_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
				 "%s: unable to retrieve parent node.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_insert_node(
			     parent_node,
			     tree_node,
			     (int (*)(intptr_t *, intptr_t *, libcerror_error_t **)) &libolecf_directory_entry_compare,
			     LIBCDATA_INSERT_FLAG_UNIQUE_ENTRIES,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
				 "%s: unable to insert previous directory tree node.",
				 function );

				goto on_error;
			}
			directory_entry_value->set_in_tree = 1;

			if( libolecf_directory_tree_create_process_entry(
			     tree_node,
			     root_directory_entry,
			     document_summary_information_directory_entry,
			     summary_information_directory_entry,
			     directory_entry_list,
			     directory_entry_value,
			     byte_order,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to process previous directory entry.",
				 function );

				tree_node = NULL;

				goto on_error;
			}
			tree_node = NULL;
		}
	}
	/* Process next directory identifier
	 */
	if( directory_entry->next_directory_identifier != LIBOLECF_SECTOR_IDENTIFIER_UNUSED )
	{
		result = libolecf_directory_list_get_element_by_identifier(
		          directory_entry_list,
		          (int) directory_entry->next_directory_identifier,
		          &directory_entry_value,
		          error );

		if( result != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve next directory entry: 0x%08" PRIx32 ".",
			 function,
			 directory_entry->next_directory_identifier );

			goto on_error;
		}
		else if( result != 0 )
		{
			if( directory_entry_value == NULL )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
				 "%s: missing next directory entry: %" PRIu32 ".",
				 function,
				 directory_entry->sub_directory_identifier );

				goto on_error;
			}
			if( directory_entry_value->set_in_tree != 0 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
				 "%s: directory entry tree node already set.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_initialize(
			     &tree_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
				 "%s: unable to create directory tree node.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_set_value(
			     tree_node,
			     (intptr_t *) directory_entry_value,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to set directory tree node value.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_get_parent_node(
			     directory_tree_node,
			     &parent_node,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
				 "%s: unable to retrieve parent node.",
				 function );

				goto on_error;
			}
			if( libcdata_tree_node_insert_node(
			     parent_node,
			     tree_node,
			     (int (*)(intptr_t *, intptr_t *, libcerror_error_t **)) &libolecf_directory_entry_compare,
			     LIBCDATA_INSERT_FLAG_UNIQUE_ENTRIES,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
				 "%s: unable to insert next directory tree node.",
				 function );

				goto on_error;
			}
			directory_entry_value->set_in_tree = 1;

			if( libolecf_directory_tree_create_process_entry(
			     tree_node,
			     root_directory_entry,
			     document_summary_information_directory_entry,
			     summary_information_directory_entry,
			     directory_entry_list,
			     directory_entry_value,
			     byte_order,
			     error ) != 1 )
			{
				libcerror_error_set(
				 error,
				 LIBCERROR_ERROR_DOMAIN_RUNTIME,
				 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
				 "%s: unable to process next directory entry.",
				 function );

				tree_node = NULL;

				goto on_error;
			}
			tree_node = NULL;
		}
	}
	return( 1 );

on_error:
	if( tree_node != NULL )
	{
		libcdata_tree_node_free(
		 &tree_node,
		 NULL,
		 NULL );
	}
	return( -1 );
}