/* Opens a file
* Returns 1 if successful or -1 on error
*/
int libolecf_file_open(
libolecf_file_t *file,
const char *filename,
int access_flags,
libcerror_error_t **error )
{
libbfio_handle_t *file_io_handle = NULL;
libolecf_internal_file_t *internal_file = NULL;
static char *function = "libolecf_file_open";
if( file == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid file.",
function );
return( -1 );
}
internal_file = (libolecf_internal_file_t *) file;
if( filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
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;
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libbfio_handle_set_track_offsets_read(
file_io_handle,
1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set track offsets read in file IO handle.",
function );
goto on_error;
}
#endif
if( libbfio_file_set_name(
file_io_handle,
filename,
libcstring_narrow_string_length(
filename ) + 1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set filename in file IO handle.",
function );
goto on_error;
}
if( libolecf_file_open_file_io_handle(
file,
file_io_handle,
access_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_IO,
LIBCERROR_IO_ERROR_OPEN_FAILED,
"%s: unable to open file: %s.",
function,
filename );
goto on_error;
}
internal_file->file_io_handle_created_in_library = 1;
return( 1 );
on_error:
if( file_io_handle != NULL )
{
libbfio_handle_free(
&file_io_handle,
NULL );
}
return( -1 );
}
/* Opens a file
* Returns 1 if successful or -1 on error
*/
int libmsiecf_file_open_wide(
libmsiecf_file_t *file,
const wchar_t *filename,
int access_flags,
libcerror_error_t **error )
{
libbfio_handle_t *file_io_handle = NULL;
libmsiecf_internal_file_t *internal_file = NULL;
static char *function = "libmsiecf_file_open_wide";
if( file == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid file.",
function );
return( -1 );
}
internal_file = (libmsiecf_internal_file_t *) file;
if( filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
if( ( ( access_flags & LIBMSIECF_ACCESS_FLAG_READ ) == 0 )
&& ( ( access_flags & LIBMSIECF_ACCESS_FLAG_WRITE ) == 0 ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported access flags.",
function );
return( -1 );
}
if( ( access_flags & LIBMSIECF_ACCESS_FLAG_WRITE ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: write access currently not supported.",
function );
return( -1 );
}
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;
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libbfio_handle_set_track_offsets_read(
file_io_handle,
1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set track offsets read in file IO handle.",
function );
goto on_error;
}
#endif
if( libbfio_file_set_name_wide(
file_io_handle,
filename,
libcstring_wide_string_length(
filename ) + 1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set filename in file IO handle.",
function );
goto on_error;
}
if( libmsiecf_file_open_file_io_handle(
file,
file_io_handle,
access_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_IO,
LIBCERROR_IO_ERROR_OPEN_FAILED,
"%s: unable to open file: %ls.",
function,
filename );
goto on_error;
}
internal_file->file_io_handle_created_in_library = 1;
return( 1 );
on_error:
if( file_io_handle != NULL )
{
libbfio_handle_free(
&file_io_handle,
NULL );
}
return( -1 );
}
/* Opens a volume
* Returns 1 if successful or -1 on error
*/
int libvshadow_volume_open(
libvshadow_volume_t *volume,
const char *filename,
int access_flags,
libcerror_error_t **error )
{
libbfio_handle_t *file_io_handle = NULL;
libvshadow_internal_volume_t *internal_volume = NULL;
static char *function = "libvshadow_volume_open";
if( volume == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid volume.",
function );
return( -1 );
}
internal_volume = (libvshadow_internal_volume_t *) volume;
if( filename == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid filename.",
function );
return( -1 );
}
if( ( ( access_flags & LIBVSHADOW_ACCESS_FLAG_READ ) == 0 )
&& ( ( access_flags & LIBVSHADOW_ACCESS_FLAG_WRITE ) == 0 ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported access flags.",
function );
return( -1 );
}
if( ( access_flags & LIBVSHADOW_ACCESS_FLAG_WRITE ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: write access currently not supported.",
function );
return( -1 );
}
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;
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libbfio_handle_set_track_offsets_read(
file_io_handle,
1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set track offsets read in file IO handle.",
function );
goto on_error;
}
#endif
if( libbfio_file_set_name(
file_io_handle,
filename,
libcstring_narrow_string_length(
filename ) + 1,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set filename in file IO handle.",
function );
goto on_error;
}
if( libvshadow_volume_open_file_io_handle(
volume,
file_io_handle,
access_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_IO,
LIBCERROR_IO_ERROR_OPEN_FAILED,
"%s: unable to open volume: %s.",
function,
filename );
goto on_error;
}
#if defined( HAVE_LIBVSHADOW_MULTI_THREAD_SUPPORT )
if( libcthreads_read_write_lock_grab_for_write(
internal_volume->read_write_lock,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to grab read/write lock for writing.",
function );
return( -1 );
}
#endif
internal_volume->file_io_handle_created_in_library = 1;
#if defined( HAVE_LIBVSHADOW_MULTI_THREAD_SUPPORT )
if( libcthreads_read_write_lock_release_for_write(
internal_volume->read_write_lock,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to release read/write lock for writing.",
function );
return( -1 );
}
#endif
return( 1 );
on_error:
if( file_io_handle != NULL )
{
libbfio_handle_free(
&file_io_handle,
NULL );
}
return( -1 );
}
