/* Initializes the extents
* Returns 1 if successful or -1 on error
*/
int libvmdk_extent_table_initialize_extents(
libvmdk_extent_table_t *extent_table,
int number_of_extents,
int disk_type,
libcerror_error_t **error )
{
static char *function = "libvmdk_extent_table_initialize_extents";
int result = 0;
if( extent_table == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid extent table.",
function );
return( -1 );
}
if( ( disk_type != LIBVMDK_DISK_TYPE_2GB_EXTENT_FLAT )
&& ( disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_FLAT )
&& ( disk_type != LIBVMDK_DISK_TYPE_2GB_EXTENT_SPARSE )
&& ( disk_type != LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE )
&& ( disk_type != LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED )
&& ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT )
&& ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_PRE_ALLOCATED )
&& ( disk_type != LIBVMDK_DISK_TYPE_VMFS_FLAT_ZEROED )
&& ( disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE )
&& ( disk_type != LIBVMDK_DISK_TYPE_VMFS_SPARSE_THIN ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported disk type.",
function );
return( -1 );
}
if( ( disk_type == LIBVMDK_DISK_TYPE_2GB_EXTENT_FLAT )
|| ( disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_FLAT )
|| ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT )
|| ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT_PRE_ALLOCATED )
|| ( disk_type == LIBVMDK_DISK_TYPE_VMFS_FLAT_ZEROED ) )
{
/* TODO add write support ? */
result = libfdata_stream_initialize(
&( extent_table->extent_files_stream ),
(intptr_t *) extent_table->io_handle,
NULL,
NULL,
NULL,
(ssize_t (*)(intptr_t *, intptr_t *, int, int, uint8_t *, size_t, uint32_t, uint8_t, libcerror_error_t **)) &libvmdk_extent_file_read_segment_data,
NULL,
(off64_t (*)(intptr_t *, intptr_t *, int, int, off64_t, libcerror_error_t **)) &libvmdk_extent_file_seek_segment_offset,
LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
error );
if( result != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create extent files stream.",
function );
goto on_error;
}
if( libfdata_stream_resize(
extent_table->extent_files_stream,
number_of_extents,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
"%s: unable to resize extents file stream.",
function );
goto on_error;
}
}
else if( ( disk_type == LIBVMDK_DISK_TYPE_2GB_EXTENT_SPARSE )
|| ( disk_type == LIBVMDK_DISK_TYPE_MONOLITHIC_SPARSE )
|| ( disk_type == LIBVMDK_DISK_TYPE_STREAM_OPTIMIZED )
|| ( disk_type == LIBVMDK_DISK_TYPE_VMFS_SPARSE )
|| ( disk_type == LIBVMDK_DISK_TYPE_VMFS_SPARSE_THIN ) )
{
/* TODO add write support ? */
result = libfdata_list_initialize(
&( extent_table->extent_files_list ),
(intptr_t *) extent_table->io_handle,
NULL,
NULL,
(int (*)(intptr_t *, intptr_t *, libfdata_list_element_t *, libfdata_cache_t *, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libvmdk_extent_file_read_element_data,
NULL,
LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
error );
if( result != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create extent files list.",
function );
goto on_error;
}
if( libfdata_list_resize(
extent_table->extent_files_list,
number_of_extents,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_RESIZE_FAILED,
"%s: unable to resize extent files list.",
function );
goto on_error;
}
result = libfcache_cache_initialize(
&( extent_table->extent_files_cache ),
LIBVMDK_MAXIMUM_CACHE_ENTRIES_EXTENT_FILES,
error );
if( result != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create extent files cache.",
function );
goto on_error;
}
}
extent_table->disk_type = disk_type;
extent_table->number_of_extents = number_of_extents;
return( 1 );
on_error:
if( extent_table->extent_files_list != NULL )
{
libfdata_list_free(
&( extent_table->extent_files_list ),
NULL );
}
return( -1 );
}
/* Appends a segment to the segment table based on the segment file
* Returns 1 if successful or -1 on error
*/
int libewf_segment_table_append_segment_by_segment_file(
libewf_segment_table_t *segment_table,
libewf_segment_file_t *segment_file,
int file_io_pool_entry,
size64_t segment_file_size,
libcerror_error_t **error )
{
static char *function = "libewf_segment_table_append_segment_by_segment_file";
if( segment_table == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid segment table.",
function );
return( -1 );
}
if( segment_file == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid segment file.",
function );
return( -1 );
}
#if SIZEOF_INT <= 4
if( segment_file->segment_number > (uint32_t) INT_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid segment file - segment number value out of bounds.",
function );
return( -1 );
}
#endif
if( segment_file->segment_number > segment_table->number_of_segments )
{
if( libfdata_list_resize(
segment_table->segment_files_list,
(int) segment_file->segment_number,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
"%s: unable to resize segment files list.",
function );
return( -1 );
}
segment_table->number_of_segments = segment_file->segment_number;
}
if( libfdata_list_set_element_by_index(
segment_table->segment_files_list,
(int) ( segment_file->segment_number - 1 ),
file_io_pool_entry,
0,
segment_file_size,
0,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set element: %" PRIu32 " in segment files list.",
function,
segment_file->segment_number );
return( -1 );
}
return( 1 );
}
