示例#1
0
/* Opens the parent input file
 * Returns 1 if successful, 0 if no parent or -1 on error
 */
int mount_handle_open_input_parent_file(
     mount_handle_t *mount_handle,
     libvhdi_file_t *input_file,
     libcerror_error_t **error )
{
	uint8_t guid[ 16 ];

	libcstring_system_character_t *parent_basename_end = NULL;
	libcstring_system_character_t *parent_filename     = NULL;
	libcstring_system_character_t *parent_path         = NULL;
	libvhdi_file_t *parent_input_file                  = NULL;
	static char *function                              = "mount_handle_open_input_parent_file";
	size_t parent_basename_length                      = 0;
	size_t parent_filename_size                        = 0;
	size_t parent_path_size                            = 0;
	int entry_index                                    = 0;
	int result                                         = 0;

	if( mount_handle == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid mount handle.",
		 function );

		return( -1 );
	}
	result = libvhdi_file_get_parent_identifier(
	          input_file,
	          guid,
	          16,
	          error );

	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve parent content identifier.",
		 function );

		goto on_error;
	}
	else if( result != 1 )
	{
		return( 0 );
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libvhdi_file_get_utf16_parent_filename_size(
		  input_file,
		  &parent_filename_size,
		  error );
#else
	result = libvhdi_file_get_utf8_parent_filename_size(
		  input_file,
		  &parent_filename_size,
		  error );
#endif
	if( result != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve parent filename size.",
		 function );

		goto on_error;
	}
	if( parent_filename_size == 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
		 "%s: missing parent filename.",
		 function );

		goto on_error;
	}
	if( ( parent_filename_size > (size_t) SSIZE_MAX )
	 || ( ( sizeof( libcstring_system_character_t ) * parent_filename_size ) > (size_t) SSIZE_MAX ) )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
		 "%s: invalid parent filename size value exceeds maximum.",
		 function );

		goto on_error;
	}
	parent_filename = libcstring_system_string_allocate(
			   parent_filename_size );

	if( parent_filename == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_MEMORY,
		 LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
		 "%s: unable to create parent filename string.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libvhdi_file_get_utf16_parent_filename(
		  input_file,
		  (uint16_t *) parent_filename,
		  parent_filename_size,
		  error );
#else
	result = libvhdi_file_get_utf8_parent_filename(
		  input_file,
		  (uint8_t *) parent_filename,
		  parent_filename_size,
		  error );
#endif
	if( result != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve parent filename.",
		 function );

		goto on_error;
	}
	parent_basename_end = libcstring_system_string_search_character_reverse(
	                       parent_filename,
	                       (libcstring_system_character_t) '\\',
	                       parent_filename_size );

	if( parent_basename_end != NULL )
	{
		parent_basename_length = (size_t) ( parent_basename_end - parent_filename ) + 1;
	}
	if( mount_handle->basename == NULL )
	{
		parent_path      = &( parent_filename[ parent_basename_length ] );
		parent_path_size = parent_filename_size - ( parent_basename_length + 1 );
	}
	else
	{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libcpath_path_join_wide(
		     &parent_path,
		     &parent_path_size,
		     mount_handle->basename,
		     mount_handle->basename_size - 1,
		     &( parent_filename[ parent_basename_length ] ),
		     parent_filename_size - ( parent_basename_length + 1 ),
		     error ) != 1 )
#else
		if( libcpath_path_join(
		     &parent_path,
		     &parent_path_size,
		     mount_handle->basename,
		     mount_handle->basename_size - 1,
		     &( parent_filename[ parent_basename_length ] ),
		     parent_filename_size - ( parent_basename_length + 1 ),
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
			 "%s: unable to create parent path.",
			 function );

			goto on_error;
		}
	}
	if( libvhdi_file_initialize(
	     &parent_input_file,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to initialize parent input file.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libvhdi_file_open_wide(
	     parent_input_file,
	     parent_path,
	     LIBVHDI_OPEN_READ,
	     error ) != 1 )
#else
	if( libvhdi_file_open(
	     parent_input_file,
	     parent_path,
	     LIBVHDI_OPEN_READ,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open parent input file: %" PRIs_LIBCSTRING_SYSTEM ".",
		 function,
		 parent_path );

		goto on_error;
	}
	if( mount_handle_open_input_parent_file(
	     mount_handle,
	     parent_input_file,
	     error ) == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open parent input file.",
		 function );

		return( -1 );
	}
	if( libvhdi_file_set_parent_file(
	     input_file,
	     parent_input_file,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set parent input file.",
		 function );

		goto on_error;
	}
	if( libcdata_array_append_entry(
	     mount_handle->input_files_array,
	     &entry_index,
	     (intptr_t *) parent_input_file,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
		 "%s: unable to append parent input file to array.",
		 function );

		goto on_error;
	}
	if( parent_path != NULL )
	{
		if( mount_handle->basename != NULL )
		{
			memory_free(
			 parent_path );
		}
		parent_path = NULL;
	}
	if( parent_filename != NULL )
	{
		memory_free(
		 parent_filename );

		parent_filename = NULL;
	}
	return( 1 );

on_error:
	if( parent_input_file != NULL )
	{
		libvhdi_file_free(
		 &parent_input_file,
		 NULL );
	}
	if( ( parent_path != NULL )
	 && ( mount_handle->basename != NULL ) )
	{
		memory_free(
		 parent_path );
	}
	if( parent_filename != NULL )
	{
		memory_free(
		 parent_filename );
	}
	return( -1 );
}
示例#2
0
/* Prints the file information to a stream
 * Returns 1 if successful or -1 on error
 */
int info_handle_file_fprint(
     info_handle_t *info_handle,
     libcerror_error_t **error )
{
	uint8_t guid_data[ 16 ];

	libcstring_system_character_t guid_string[ 48 ];

	libfguid_identifier_t *guid                 = NULL;
	libcstring_system_character_t *value_string = NULL;
	static char *function                       = "info_handle_file_fprint";
	size_t value_string_size                    = 0;
	size64_t media_size                         = 0;
	uint32_t disk_type                          = 0;
	uint16_t major_version                      = 0;
	uint16_t minor_version                      = 0;
	int result                                  = 0;

	if( info_handle == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid info handle.",
		 function );

		return( -1 );
	}
	fprintf(
	 info_handle->notify_stream,
	 "Virtual Hard Disk (VHD) image information:\n" );

	if( libvhdi_file_get_format_version(
	     info_handle->input_file,
	     &major_version,
	     &minor_version,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve format version.",
		 function );

		goto on_error;
	}
	fprintf(
	 info_handle->notify_stream,
	 "\tFormat:\t\t\t%" PRIu16 ".%" PRIu16 "\n",
	 major_version,
	 minor_version );

	if( libvhdi_file_get_disk_type(
	     info_handle->input_file,
	     &disk_type,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve disk type.",
		 function );

		goto on_error;
	}
	fprintf(
	 info_handle->notify_stream,
	 "\tDisk type:\t\t" );

	switch( disk_type )
	{
		case LIBVHDI_DISK_TYPE_FIXED:
			fprintf(
			 info_handle->notify_stream,
			 "Fixed" );
			break;

		case LIBVHDI_DISK_TYPE_DYNAMIC:
			fprintf(
			 info_handle->notify_stream,
			 "Dynamic" );
			break;

		case LIBVHDI_DISK_TYPE_DIFFERENTIAL:
			fprintf(
			 info_handle->notify_stream,
			 "Differential" );
			break;

		default:
			fprintf(
			 info_handle->notify_stream,
			 "Unknown" );
			break;
	}
	fprintf(
	 info_handle->notify_stream,
	 "\n" );

	if( libvhdi_file_get_media_size(
	     info_handle->input_file,
	     &media_size,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve media size.",
		 function );

		goto on_error;
	}
	fprintf(
	 info_handle->notify_stream,
	 "\tMedia size:\t\t%" PRIu64 " bytes\n",
	 media_size );

	if( libfguid_identifier_initialize(
	     &guid,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create GUID.",
		 function );

		goto on_error;
	}
	if( libvhdi_file_get_identifier(
	     info_handle->input_file,
	     guid_data,
	     16,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve identifier.",
		 function );

		goto on_error;
	}
	if( libfguid_identifier_copy_from_byte_stream(
	     guid,
	     guid_data,
	     16,
	     LIBFGUID_ENDIAN_LITTLE,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
		 "%s: unable to copy byte stream to GUID.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libfguid_identifier_copy_to_utf16_string(
		  guid,
		  (uint16_t *) guid_string,
		  48,
		  LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,
		  error );
#else
	result = libfguid_identifier_copy_to_utf8_string(
		  guid,
		  (uint8_t *) guid_string,
		  48,
		  LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,
		  error );
#endif
	if( result != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
		 "%s: unable to copy GUID to string.",
		 function );

		goto on_error;
	}
	fprintf(
	 info_handle->notify_stream,
	 "\tIdentifier:\t\t%" PRIs_LIBCSTRING_SYSTEM "\n",
	 guid_string );

	result = libvhdi_file_get_parent_identifier(
	          info_handle->input_file,
	          guid_data,
	          16,
	          error );

	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve parent identifier.",
		 function );

		goto on_error;
	}
	else if( result != 0 )
	{
		if( libfguid_identifier_copy_from_byte_stream(
		     guid,
		     guid_data,
		     16,
		     LIBFGUID_ENDIAN_LITTLE,
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
			 "%s: unable to copy byte stream to GUID.",
			 function );

			goto on_error;
		}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		result = libfguid_identifier_copy_to_utf16_string(
		          guid,
		          (uint16_t *) guid_string,
		          48,
		          LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,
		          error );
#else
		result = libfguid_identifier_copy_to_utf8_string(
		          guid,
		          (uint8_t *) guid_string,
		          48,
		          LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE,
		          error );
#endif
		if( result != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
			 "%s: unable to copy GUID to string.",
			 function );

			goto on_error;
		}
		fprintf(
		 info_handle->notify_stream,
		 "\tParent identifier:\t%" PRIs_LIBCSTRING_SYSTEM "\n",
		 guid_string );
	}
	if( libfguid_identifier_free(
	     &guid,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free GUID.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libvhdi_file_get_utf16_parent_filename_size(
		  info_handle->input_file,
		  &value_string_size,
		  error );
#else
	result = libvhdi_file_get_utf8_parent_filename_size(
		  info_handle->input_file,
		  &value_string_size,
		  error );
#endif
	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
		 "%s: unable to retrieve parent filename string size.",
		 function );

		goto on_error;
	}
	else if( result != 0 )
	{
		if( ( value_string_size > (size_t) SSIZE_MAX )
		 || ( ( sizeof( libcstring_system_character_t ) * value_string_size )  > (size_t) SSIZE_MAX ) )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
			 "%s: invalid parent filename size value exceeds maximum.",
			 function );

			goto on_error;
		}
		value_string = libcstring_system_string_allocate(
				value_string_size );

		if( value_string == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_MEMORY,
			 LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
			 "%s: unable to create parent filename string.",
			 function );

			goto on_error;
		}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		result = libvhdi_file_get_utf16_parent_filename(
			  info_handle->input_file,
			  (uint16_t *) value_string,
			  value_string_size,
			  error );
#else
		result = libvhdi_file_get_utf8_parent_filename(
			  info_handle->input_file,
			  (uint8_t *) value_string,
			  value_string_size,
			  error );
#endif
		if( result != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve parent filename.",
			 function );

			goto on_error;
		}
		fprintf(
		 info_handle->notify_stream,
		 "\tParent filename:\t%s\n",
		 value_string );

		memory_free(
		 value_string );

		value_string = NULL;
	}
/* TODO add more info */
	fprintf(
	 info_handle->notify_stream,
	 "\n" );

	return( 1 );

on_error:
	if( value_string != NULL )
	{
		memory_free(
		 value_string );
	}
	if( guid != NULL )
	{
		libfguid_identifier_free(
		 &guid,
		 NULL );
	}
	return( -1 );
}