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variant-types.zeek
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##! variant-types.zeek
##!
##! OPCUA Binary Protocol Analyzer
##!
##! Zeek script type/record definitions describing the information
##! that will be written to the log files.
##!
##! Author: Melanie Pierce
##! Contact: [email protected]
##!
##! Copyright (c) 2022 Battelle Energy Alliance, LLC. All rights reserved.
module ICSNPP_OPCUA_Binary;
export {
type OPCUA_Binary::VariantMetadata: record {
ts : time &log;
uid : string &log;
id : conn_id &log;
is_orig : bool &log;
source_h : addr &log; # Source IP Address
source_p : port &log; # Source Port
destination_h : addr &log; # Destination IP Address
destination_p : port &log; # Destination Port
variant_source_data_link_id : string &log; # Link back into the Variant's source file
variant_data_source : count &log;
variant_data_source_str : string &log;
# value : OpcUA_Variant
dara_variant_encoding_mask : string &log &optional;
data_variant_data_type : count &log &optional;
data_variant_data_type_str : string &log &optional;
built_in_data_type : count &log &optional;
built_in_data_type_str : string &log &optional;
variant_data_link_id : string &log &optional; # Link into OPCUA_Binary::VariantData log
# Array Dimensions
variant_data_array_dim : count &log &optional;
variant_data_array_multi_dim_link_id : string &log &optional;
};
#
# Note: The processing for a OpcUA_DataVariant that is itself of type OpcUA_DataVariant is to recursively call the
# data processing and link back into the OPCUA_Binary::VariantMetadata log file.
#
type OPCUA_Binary::VariantData: record {
ts : time &log;
uid : string &log;
id : conn_id &log;
is_orig : bool &log;
source_h : addr &log; # Source IP Address
source_p : port &log; # Source Port
destination_h : addr &log; # Destination IP Address
destination_p : port &log; # Destination Port
variant_data_link_id : string &log; # Link back into OPCUA_Binary::VariantMetadata
# Signed numeric - e.g int8, int16, etc.
variant_data_value_signed_numeric : int &log &optional;
# Unsigned numeric - e.g uint8, uint16, etc.
variant_data_value_unsigned_numeric : count &log &optional;
# OpcUA_String, OpcUA_Guid, OpcUA_ByteString, etc
variant_data_value_string : string &log &optional;
# OpcUA_NodeId & OpcUA_ExpandedNodeId
variant_data_node_id_encoding_mask : string &log &optional;
variant_data_node_id_namespace_idx : count &log &optional;
variant_data_node_id_numeric : count &log &optional;
variant_data_node_id_string : string &log &optional;
variant_data_node_id_guid : string &log &optional;
variant_data_node_id_opaque : string &log &optional;
variant_data_node_id_namespace_uri : string &log &optional;
variant_data_node_id_server_idx : count &log &optional;
#OpcUA_DateTime
variant_data_value_time : time &log &optional;
# OpcUA_QualifiedName
variant_data_encoding_name_idx : count &log &optional;
variant_data_encoding_name : string &log &optional;
# OpcUA_LocalizedText
variant_data_mask : string &log &optional;
variant_data_locale : string &log &optional;
variant_data_text : string &log &optional;
# OpcUA_Float & OpcUA_Double
variant_data_value_decimal : double &log &optional;
# OpcUA_StatusCode
variant_data_status_code_link_id : string &log &optional; # Link into OPCUA_Binary::StatusCodeDetail log
# OpcUA_DiagnosticInfo
variant_data_diag_info_link_id : string &log &optional; # Link into OPCUA_Binary::DiagnosticInfoDetail log
# OpcUA_ExtensionObject
variant_data_ext_obj_link_id : string &log &optional; # Link into OPCUA_Binary::VariantExtensionObject
#
# OpcUA_DataValue
#
# Note: A OpcUA_DataVariant that is itself of type OpcUA_DataVariant is handled by recursively calling the variant
# data processing and linking into the OPCUA_Binary::VariantMetadata
#
variant_metadata_data_link_id : string &log &optional; #Link into OPCUA_Binary::VariantMetadata
variant_data_value_link_id : string &log &optional; # Link into OPCUA_Binary::VariantDataValue
};
type OPCUA_Binary::VariantArrayDims: record {
ts : time &log;
uid : string &log;
id : conn_id &log;
is_orig : bool &log;
source_h : addr &log; # Source IP Address
source_p : port &log; # Source Port
destination_h : addr &log; # Destination IP Address
destination_p : port &log; # Destination Port
array_dim_link_id : string &log; # Link back into OPCUA_Binary::ReadArrayDims
dimension : count &log;
};
type OPCUA_Binary::VariantExtensionObject: record {
ts : time &log;
uid : string &log;
id : conn_id &log;
is_orig : bool &log;
source_h : addr &log; # Source IP Address
source_p : port &log; # Source Port
destination_h : addr &log; # Destination IP Address
destination_p : port &log; # Destination Port
ext_obj_link_id : string &log; # Link into OPCUA_Binary::VariantData
# NodeId
ext_obj_node_id_encoding_mask : string &log &optional;
ext_obj_node_id_namespace_idx : count &log &optional;
ext_obj_node_id_numeric : count &log &optional;
ext_obj_node_id_string : string &log &optional;
ext_obj_node_id_guid : string &log &optional;
ext_obj_node_id_opaque : string &log &optional;
ext_obj_type_id_str : string &log; # String representation of type id (AnonymousIdentityToken, UserNameIdentityToken, X509IdentityToken, etc.)
ext_obj_encoding : string &log;
};
type OPCUA_Binary::VariantDataValue: record {
ts : time &log;
uid : string &log;
id : conn_id &log;
is_orig : bool &log;
source_h : addr &log; # Source IP Address
source_p : port &log; # Source Port
destination_h : addr &log; # Destination IP Address
destination_p : port &log; # Destination Port
variant_data_value_source_link : string &log;
data_value_encoding_mask : string &log;
status_code_link_id : string &log &optional; # Id into OPCUA_Binary::StatusCodeDetail log
source_timestamp : time &log &optional;
source_pico_sec : count &log &optional;
server_timestamp : time &log &optional;
server_pico_sec : count &log &optional;
variant_metadata_link_id : string &log &optional;
};
}