/* Creates a filename for a certain segment file
* Returns 1 if successful or -1 on error
*/
int libewf_filename_create(
libcstring_system_character_t **filename,
size_t *filename_size,
libcstring_system_character_t *basename,
size_t basename_length,
uint32_t segment_number,
uint32_t maximum_number_of_segments,
uint8_t segment_file_type,
uint8_t format,
libcerror_error_t **error )
{
static char *function = "libewf_filename_create";
if( filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
if( *filename != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: filename already set.",
function );
return( -1 );
}
if( filename_size == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename size.",
function );
return( -1 );
}
if( basename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid basename.",
function );
return( -1 );
}
if( ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF2 )
|| ( segment_file_type == LIBEWF_SEGMENT_FILE_TYPE_EWF2_LOGICAL ) )
{
/* The actual filename also contains a '.', 4 character extension and a end of string byte
*/
*filename_size = basename_length + 6;
}
else
{
/* The actual filename also contains a '.', 3 character extension and a end of string byte
*/
*filename_size = basename_length + 5;
}
*filename = libcstring_system_string_allocate(
*filename_size );
if( *filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create filename.",
function );
goto on_error;
}
if( libcstring_system_string_copy(
*filename,
basename,
basename_length ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_COPY_FAILED,
"%s: unable to set basename.",
function );
goto on_error;
}
( *filename )[ basename_length++ ] = (libcstring_system_character_t) '.';
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
if( libewf_filename_set_extension_wide(
*filename,
*filename_size,
&basename_length,
segment_number,
maximum_number_of_segments,
segment_file_type,
format,
error ) != 1 )
#else
if( libewf_filename_set_extension(
*filename,
*filename_size,
&basename_length,
segment_number,
maximum_number_of_segments,
segment_file_type,
format,
error ) != 1 )
#endif
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set extension.",
function );
goto on_error;
}
return( 1 );
on_error:
if( *filename != NULL )
{
memory_free(
*filename );
*filename = NULL;
}
*filename_size = 0;
return( -1 );
}
/* Globs the segment files according to the EWF naming schema
* if format is known the filename should contain the base of the filename
* otherwise the function will try to determine the format based on the extension
* Returns 1 if successful or -1 on error
*/
int libewf_glob_wide(
const wchar_t *filename,
size_t filename_length,
uint8_t format,
wchar_t **filenames[],
int *number_of_filenames,
libcerror_error_t **error )
{
libbfio_handle_t *file_io_handle = NULL;
wchar_t *segment_filename = NULL;
void *reallocation = NULL;
static char *function = "libewf_glob_wide";
size_t additional_length = 4;
size_t segment_filename_length = 0;
int result = 0;
uint8_t segment_file_type = 0;
uint8_t ewf_format = 0;
if( filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
if( ( filename_length == 0 )
|| ( filename_length > (size_t) SSIZE_MAX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid filename length.",
function );
return( -1 );
}
if( ( format != LIBEWF_FORMAT_UNKNOWN )
&& ( format != LIBEWF_FORMAT_ENCASE1 )
&& ( format != LIBEWF_FORMAT_ENCASE2 )
&& ( format != LIBEWF_FORMAT_ENCASE3 )
&& ( format != LIBEWF_FORMAT_ENCASE4 )
&& ( format != LIBEWF_FORMAT_ENCASE5 )
&& ( format != LIBEWF_FORMAT_ENCASE6 )
&& ( format != LIBEWF_FORMAT_LINEN5 )
&& ( format != LIBEWF_FORMAT_LINEN6 )
&& ( format != LIBEWF_FORMAT_SMART )
&& ( format != LIBEWF_FORMAT_FTK )
&& ( format != LIBEWF_FORMAT_LVF )
&& ( format != LIBEWF_FORMAT_EWF )
&& ( format != LIBEWF_FORMAT_EWFX ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported format.",
function );
return( -1 );
}
if( filenames == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filenames.",
function );
return( -1 );
}
if( number_of_filenames == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid number of filenames.",
function );
return( -1 );
}
if( format == LIBEWF_FORMAT_UNKNOWN )
{
if( filename[ filename_length - 4 ] != (wchar_t) '.' )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: invalid filename - missing extension.",
function );
return( -1 );
}
additional_length = 0;
if( filename[ filename_length - 3 ] == (wchar_t) 'E' )
{
format = LIBEWF_FORMAT_ENCASE5;
}
else if( filename[ filename_length - 3 ] == (wchar_t) 'e' )
{
format = LIBEWF_FORMAT_EWF;
}
else if( filename[ filename_length - 3 ] == (wchar_t) 'L' )
{
format = LIBEWF_FORMAT_LVF;
}
else if( filename[ filename_length - 3 ] == (wchar_t) 's' )
{
format = LIBEWF_FORMAT_SMART;
}
else
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: invalid filename - unsupported extension: %s.",
function,
&( filename[ filename_length - 4 ] ) );
return( -1 );
}
}
if( format == LIBEWF_FORMAT_LVF )
{
segment_file_type = LIBEWF_SEGMENT_FILE_TYPE_LWF;
ewf_format = EWF_FORMAT_L01;
}
else if( format == LIBEWF_FORMAT_SMART )
{
segment_file_type = LIBEWF_SEGMENT_FILE_TYPE_EWF;
ewf_format = EWF_FORMAT_S01;
}
else
{
segment_file_type = LIBEWF_SEGMENT_FILE_TYPE_EWF;
ewf_format = EWF_FORMAT_E01;
}
if( libbfio_file_initialize(
&file_io_handle,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create file IO handle.",
function );
goto on_error;
}
*number_of_filenames = 0;
while( *number_of_filenames < (int) UINT16_MAX )
{
segment_filename_length = filename_length + additional_length;
segment_filename = (wchar_t *) memory_allocate(
sizeof( wchar_t ) * ( segment_filename_length + 1 ) );
if( segment_filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create segment filename.",
function );
goto on_error;
}
if( libcstring_wide_string_copy(
segment_filename,
filename,
filename_length ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_COPY_FAILED,
"%s: unable to copy filename.",
function );
goto on_error;
}
if( additional_length > 0 )
{
segment_filename[ filename_length ] = (wchar_t) '.';
}
if( libewf_filename_set_extension_wide(
&( segment_filename[ segment_filename_length - 3 ] ),
(uint16_t) ( *number_of_filenames + 1 ),
UINT16_MAX,
segment_file_type,
format,
ewf_format,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set extension.",
function );
goto on_error;
}
segment_filename[ segment_filename_length ] = 0;
if( libbfio_file_set_name_wide(
file_io_handle,
segment_filename,
segment_filename_length,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set name in file IO handle.",
function );
goto on_error;
}
result = libbfio_handle_exists(
file_io_handle,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_IO,
LIBCERROR_IO_ERROR_GENERIC,
"%s: unable to test if file exists.",
function );
goto on_error;
}
else if( result == 0 )
{
memory_free(
segment_filename );
break;
}
*number_of_filenames += 1;
reallocation = memory_reallocate(
*filenames,
sizeof( wchar_t * ) * *number_of_filenames );
if( reallocation == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to resize filenames.",
function );
goto on_error;
}
*filenames = (wchar_t **) reallocation;
( *filenames )[ *number_of_filenames - 1 ] = segment_filename;
}
if( libbfio_handle_free(
&file_io_handle,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free file IO handle.",
function );
goto on_error;
}
return( 1 );
on_error:
if( segment_filename != NULL )
{
memory_free(
segment_filename );
}
if( file_io_handle != NULL )
{
libbfio_handle_free(
&file_io_handle,
NULL );
}
return( -1 );
}
/* Creates a filename for a certain segment file
* Returns 1 if successful or -1 on error
*/
int libewf_filename_create(
libcstring_system_character_t **filename,
size_t *filename_size,
libcstring_system_character_t *basename,
size_t basename_length,
uint16_t segment_number,
uint16_t maximum_number_of_segments,
uint8_t segment_file_type,
uint8_t format,
uint8_t ewf_format,
liberror_error_t **error )
{
libcstring_system_character_t *new_filename = NULL;
static char *function = "libewf_filename_create";
if( filename == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
if( *filename != NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: filename already set.",
function );
return( -1 );
}
if( filename_size == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename size.",
function );
return( -1 );
}
if( basename == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid basename.",
function );
return( -1 );
}
/* The actual filename also contains a '.', 3 character extension and a end of string byte
*/
new_filename = libcstring_system_string_allocate(
basename_length + 5 );
if( new_filename == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_MEMORY,
LIBERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create filename.",
function );
return( -1 );
}
/* Add one additional character for the end of line
*/
if( libcstring_system_string_copy(
new_filename,
basename,
( basename_length + 1 ) ) == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_MEMORY,
LIBERROR_MEMORY_ERROR_COPY_FAILED,
"%s: unable to set basename.",
function );
memory_free(
new_filename );
return( -1 );
}
new_filename[ basename_length ] = (libcstring_system_character_t) '.';
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
if( libewf_filename_set_extension_wide(
&( new_filename[ basename_length + 1 ] ),
segment_number,
maximum_number_of_segments,
segment_file_type,
format,
ewf_format,
error ) != 1 )
#else
if( libewf_filename_set_extension(
&( new_filename[ basename_length + 1 ] ),
segment_number,
maximum_number_of_segments,
segment_file_type,
format,
ewf_format,
error ) != 1 )
#endif
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_RUNTIME,
LIBERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set extension.",
function );
memory_free(
new_filename );
return( -1 );
}
*filename = new_filename;
*filename_size = basename_length + 5;
return( 1 );
}