/****************************************************************************** ** Copyright (C) 2006-2007 ascolab GmbH. All Rights Reserved. ** Web: http://www.ascolab.com ** ** This program is free software; you can redistribute it and/or ** modify it under the terms of the GNU General Public License ** as published by the Free Software Foundation; either version 2 ** of the License, or (at your option) any later version. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** Project: OpcUa Wireshark Plugin ** ** Description: Implementation of OpcUa built-in type parsers. ** This contains all the simple types and some complex types. ** ** Author: Gerhard Gappmeier ******************************************************************************/ #include "config.h" #include #include #include #include "opcua_simpletypes.h" #include "opcua_hfindeces.h" #include "opcua_statuscode.h" #define DIAGNOSTICINFO_ENCODINGMASK_SYMBOLICID_FLAG 0x01 #define DIAGNOSTICINFO_ENCODINGMASK_NAMESPACE_FLAG 0x02 #define DIAGNOSTICINFO_ENCODINGMASK_LOCALIZEDTEXT_FLAG 0x04 #define DIAGNOSTICINFO_ENCODINGMASK_LOCALE_FLAG 0x08 #define DIAGNOSTICINFO_ENCODINGMASK_ADDITIONALINFO_FLAG 0x10 #define DIAGNOSTICINFO_ENCODINGMASK_INNERSTATUSCODE_FLAG 0x20 #define DIAGNOSTICINFO_ENCODINGMASK_INNERDIAGNOSTICINFO_FLAG 0x40 #define LOCALIZEDTEXT_ENCODINGBYTE_LOCALE 0x01 #define LOCALIZEDTEXT_ENCODINGBYTE_TEXT 0x02 #define NODEID_NAMESPACEURIFLAG 0x80 #define NODEID_SERVERINDEXFLAG 0x40 #define DATAVALUE_ENCODINGBYTE_VALUE 0x01 #define DATAVALUE_ENCODINGBYTE_STATUSCODE 0x02 #define DATAVALUE_ENCODINGBYTE_SOURCETIMESTAMP 0x04 #define DATAVALUE_ENCODINGBYTE_SERVERTIMESTAMP 0x08 #define DATAVALUE_ENCODINGBYTE_SOURCEPICOSECONDS 0x10 #define DATAVALUE_ENCODINGBYTE_SERVERPICOSECONDS 0x20 #define EXTOBJ_ENCODINGMASK_BINBODY_FLAG 0x01 #define EXTOBJ_ENCODINGMASK_XMLBODY_FLAG 0x02 #define STATUSCODE_STRUCTURECHANGED 0x8000 #define STATUSCODE_SEMANTICSCHANGED 0x4000 #define STATUSCODE_INFOTYPE_DATAVALUE 0x00000400 #define STATUSCODE_INFOBIT_OVERFLOW 0x0080 #define STATUSCODE_INFOBIT_HISTORIAN_PARTIAL 0x0004 #define STATUSCODE_INFOBIT_HISTORIAN_EXTRADATA 0x0008 #define STATUSCODE_INFOBIT_HISTORIAN_MULTIVALUE 0x0010 #define RETURNDIAGNOSTICS_SERVICELEVEL_SYMBOLICID 0x0001 #define RETURNDIAGNOSTICS_SERVICELEVEL_LOCALIZEDTEXT 0x0002 #define RETURNDIAGNOSTICS_SERVICELEVEL_ADDITIONALINFO 0x0004 #define RETURNDIAGNOSTICS_SERVICELEVEL_INNERSTATUSCODE 0x0008 #define RETURNDIAGNOSTICS_SERVICELEVEL_INNERDIAGNOSTICS 0x0010 #define RETURNDIAGNOSTICS_OPERATIONLEVEL_SYMBOLICID 0x0020 #define RETURNDIAGNOSTICS_OPERATIONLEVEL_LOCALIZEDTEXT 0x0040 #define RETURNDIAGNOSTICS_OPERATIONLEVEL_ADDITIONALINFO 0x0080 #define RETURNDIAGNOSTICS_OPERATIONLEVEL_INNERSTATUSCODE 0x0100 #define RETURNDIAGNOSTICS_OPERATIONLEVEL_INNERDIAGNOSTICS 0x0200 #define NODECLASSMASK_ALL 0x0000 #define NODECLASSMASK_OBJECT 0x0001 #define NODECLASSMASK_VARIABLE 0x0002 #define NODECLASSMASK_METHOD 0x0004 #define NODECLASSMASK_OBJECTTYPE 0x0008 #define NODECLASSMASK_VARIABLETYPE 0x0010 #define NODECLASSMASK_REFERENCETYPE 0x0020 #define NODECLASSMASK_DATATYPE 0x0040 #define NODECLASSMASK_VIEW 0x0080 #define RESULTMASK_REFERENCETYPE 0x0001 #define RESULTMASK_ISFORWARD 0x0002 #define RESULTMASK_NODECLASS 0x0004 #define RESULTMASK_BROWSENAME 0x0008 #define RESULTMASK_DISPLAYNAME 0x0010 #define RESULTMASK_TYPEDEFINITION 0x0020 #define RESULTMASK_ALL 0x003F /* Chosen arbitrarily */ #define MAX_ARRAY_LEN 10000 static int hf_opcua_diag_mask = -1; static int hf_opcua_diag_mask_symbolicflag = -1; static int hf_opcua_diag_mask_namespaceflag = -1; static int hf_opcua_diag_mask_localizedtextflag = -1; static int hf_opcua_diag_mask_localeflag = -1; static int hf_opcua_diag_mask_additionalinfoflag = -1; static int hf_opcua_diag_mask_innerstatuscodeflag = -1; static int hf_opcua_diag_mask_innerdiaginfoflag = -1; static int hf_opcua_loctext_mask = -1; static int hf_opcua_loctext_mask_localeflag = -1; static int hf_opcua_loctext_mask_textflag = -1; static int hf_opcua_datavalue_mask = -1; static int hf_opcua_datavalue_mask_valueflag = -1; static int hf_opcua_datavalue_mask_statuscodeflag = -1; static int hf_opcua_datavalue_mask_sourcetimestampflag = -1; static int hf_opcua_datavalue_mask_servertimestampflag = -1; static int hf_opcua_datavalue_mask_sourcepicoseconds = -1; static int hf_opcua_datavalue_mask_serverpicoseconds = -1; static int hf_opcua_nodeid_encodingmask = -1; static int hf_opcua_expandednodeid_mask = -1; static int hf_opcua_expandednodeid_mask_namespaceuri = -1; static int hf_opcua_expandednodeid_mask_serverindex = -1; static int hf_opcua_variant_encodingmask = -1; static int hf_opcua_nodeid_nsindex = -1; static int hf_opcua_nodeid_numeric = -1; static int hf_opcua_nodeid_string = -1; static int hf_opcua_nodeid_guid = -1; static int hf_opcua_nodeid_bytestring = -1; static int hf_opcua_localizedtext_locale = -1; static int hf_opcua_localizedtext_text = -1; static int hf_opcua_qualifiedname_id = -1; static int hf_opcua_qualifiedname_name = -1; static int hf_opcua_SourceTimestamp = -1; static int hf_opcua_SourcePicoseconds = -1; static int hf_opcua_ServerTimestamp = -1; static int hf_opcua_ServerPicoseconds = -1; static int hf_opcua_diag_symbolicid = -1; static int hf_opcua_diag_namespace = -1; static int hf_opcua_diag_localizedtext = -1; static int hf_opcua_diag_locale = -1; static int hf_opcua_diag_additionalinfo = -1; static int hf_opcua_diag_innerstatuscode = -1; static int hf_opcua_extobj_mask = -1; static int hf_opcua_extobj_mask_binbodyflag = -1; static int hf_opcua_extobj_mask_xmlbodyflag = -1; static int hf_opcua_ArraySize = -1; static int hf_opcua_ServerIndex = -1; static int hf_opcua_status_StructureChanged = -1; static int hf_opcua_status_SemanticsChanged = -1; static int hf_opcua_status_InfoBit_Limit_Overflow = -1; static int hf_opcua_status_InfoBit_Historian_Partial = -1; static int hf_opcua_status_InfoBit_Historian_ExtraData = -1; static int hf_opcua_status_InfoBit_Historian_MultiValue = -1; static int hf_opcua_status_InfoType = -1; static int hf_opcua_status_Limit = -1; static int hf_opcua_status_Historian = -1; int hf_opcua_returnDiag = -1; int hf_opcua_returnDiag_mask_sl_symbolicId = -1; int hf_opcua_returnDiag_mask_sl_localizedText = -1; int hf_opcua_returnDiag_mask_sl_additionalinfo = -1; int hf_opcua_returnDiag_mask_sl_innerstatuscode = -1; int hf_opcua_returnDiag_mask_sl_innerdiagnostics = -1; int hf_opcua_returnDiag_mask_ol_symbolicId = -1; int hf_opcua_returnDiag_mask_ol_localizedText = -1; int hf_opcua_returnDiag_mask_ol_additionalinfo = -1; int hf_opcua_returnDiag_mask_ol_innerstatuscode = -1; int hf_opcua_returnDiag_mask_ol_innerdiagnostics = -1; int hf_opcua_nodeClassMask = -1; int hf_opcua_nodeClassMask_all = -1; int hf_opcua_nodeClassMask_object = -1; int hf_opcua_nodeClassMask_variable = -1; int hf_opcua_nodeClassMask_method = -1; int hf_opcua_nodeClassMask_objecttype = -1; int hf_opcua_nodeClassMask_variabletype = -1; int hf_opcua_nodeClassMask_referencetype = -1; int hf_opcua_nodeClassMask_datatype = -1; int hf_opcua_nodeClassMask_view = -1; int hf_opcua_resultMask = -1; int hf_opcua_resultMask_all = -1; int hf_opcua_resultMask_referencetype = -1; int hf_opcua_resultMask_isforward = -1; int hf_opcua_resultMask_nodeclass = -1; int hf_opcua_resultMask_browsename = -1; int hf_opcua_resultMask_displayname = -1; int hf_opcua_resultMask_typedefinition = -1; static expert_field ei_array_length = EI_INIT; /** NodeId encoding mask table */ static const value_string g_nodeidmasks[] = { { 0x00, "Two byte encoded Numeric" }, { 0x01, "Four byte encoded Numeric" }, { 0x02, "Numeric of arbitrary length" }, { 0x03, "String" }, { 0x04, "GUID" }, { 0x05, "Opaque" }, { 0, NULL } }; /** StatusCode info types */ static const value_string g_infotype[] = { { 0x00, "Not used" }, { 0x01, "DataValue" }, { 0x02, "Reserved" }, { 0x03, "Reserved" }, { 0, NULL } }; /** StatusCode Limit types */ static const value_string g_limit[] = { { 0x00, "None" }, { 0x01, "Low" }, { 0x02, "High" }, { 0x03, "Constant" }, { 0, NULL } }; /** StatusCode Historian types */ static const value_string g_historian[] = { { 0x00, "Raw" }, { 0x01, "Calculated" }, { 0x02, "Interpolated" }, { 0x03, "Reserved" }, { 0, NULL } }; /** UA Variant Type enum */ typedef enum _OpcUa_BuiltInType { OpcUaType_Null = 0, OpcUaType_Boolean = 1, OpcUaType_SByte = 2, OpcUaType_Byte = 3, OpcUaType_Int16 = 4, OpcUaType_UInt16 = 5, OpcUaType_Int32 = 6, OpcUaType_UInt32 = 7, OpcUaType_Int64 = 8, OpcUaType_UInt64 = 9, OpcUaType_Float = 10, OpcUaType_Double = 11, OpcUaType_String = 12, OpcUaType_DateTime = 13, OpcUaType_Guid = 14, OpcUaType_ByteString = 15, OpcUaType_XmlElement = 16, OpcUaType_NodeId = 17, OpcUaType_ExpandedNodeId = 18, OpcUaType_StatusCode = 19, OpcUaType_QualifiedName = 20, OpcUaType_LocalizedText = 21, OpcUaType_ExtensionObject = 22, OpcUaType_DataValue = 23, OpcUaType_Variant = 24, OpcUaType_DiagnosticInfo = 25 } OpcUa_BuiltInType; /** Variant encoding mask table */ static const value_string g_VariantTypes[] = { { 0, "Null" }, { 1, "Boolean" }, { 2, "SByte" }, { 3, "Byte" }, { 4, "Int16" }, { 5, "UInt16" }, { 6, "Int32" }, { 7, "UInt32" }, { 8, "Int64" }, { 9, "UInt64" }, { 10, "Float" }, { 11, "Double" }, { 12, "String" }, { 13, "DateTime" }, { 14, "Guid" }, { 15, "ByteString" }, { 16, "XmlElement" }, { 17, "NodeId" }, { 18, "ExpandedNodeId" }, { 19, "StatusCode" }, { 20, "QualifiedName" }, { 21, "LocalizedText" }, { 22, "ExtensionObject" }, { 23, "DataValue" }, { 24, "Variant" }, { 25, "DiagnosticInfo" }, { 0x80, "Array of Null" }, { 0x80+1, "Array of Boolean" }, { 0x80+2, "Array of SByte" }, { 0x80+3, "Array of Byte" }, { 0x80+4, "Array of Int16" }, { 0x80+5, "Array of UInt16" }, { 0x80+6, "Array of Int32" }, { 0x80+7, "Array of UInt32" }, { 0x80+8, "Array of Int64" }, { 0x80+9, "Array of UInt64" }, { 0x80+10, "Array of Float" }, { 0x80+11, "Array of Double" }, { 0x80+12, "Array of String" }, { 0x80+13, "Array of DateTime" }, { 0x80+14, "Array of Guid" }, { 0x80+15, "Array of ByteString" }, { 0x80+16, "Array of XmlElement" }, { 0x80+17, "Array of NodeId" }, { 0x80+18, "Array of ExpandedNodeId" }, { 0x80+19, "Array of StatusCode" }, { 0x80+20, "Array of QualifiedName" }, { 0x80+21, "Array of LocalizedText" }, { 0x80+22, "Array of ExtensionObject" }, { 0x80+23, "Array of DataValue" }, { 0x80+24, "Array of Variant" }, { 0x80+25, "Array of DiagnosticInfo" }, { 0xC0, "Matrix of Null" }, { 0xC0+1, "Matrix of Boolean" }, { 0xC0+2, "Matrix of SByte" }, { 0xC0+3, "Matrix of Byte" }, { 0xC0+4, "Matrix of Int16" }, { 0xC0+5, "Matrix of UInt16" }, { 0xC0+6, "Matrix of Int32" }, { 0xC0+7, "Matrix of UInt32" }, { 0xC0+8, "Matrix of Int64" }, { 0xC0+9, "Matrix of UInt64" }, { 0xC0+10, "Matrix of Float" }, { 0xC0+11, "Matrix of Double" }, { 0xC0+12, "Matrix of String" }, { 0xC0+13, "Matrix of DateTime" }, { 0xC0+14, "Matrix of Guid" }, { 0xC0+15, "Matrix of ByteString" }, { 0xC0+16, "Matrix of XmlElement" }, { 0xC0+17, "Matrix of NodeId" }, { 0xC0+18, "Matrix of ExpandedNodeId" }, { 0xC0+19, "Matrix of StatusCode" }, { 0xC0+20, "Matrix of QualifiedName" }, { 0xC0+21, "Matrix of LocalizedText" }, { 0xC0+22, "Matrix of ExtensionObject" }, { 0xC0+23, "Matrix of DataValue" }, { 0xC0+24, "Matrix of Variant" }, { 0xC0+25, "Matrix of DiagnosticInfo" }, { 0, NULL } }; #define VARIANT_ARRAYDIMENSIONS 0x40 #define VARIANT_ARRAYMASK 0x80 /** BrowseRequest's BrowseDescription's NodeClassMaskTable enum table */ static const value_string g_NodeClassMask[] = { { NODECLASSMASK_ALL, "All" }, { 0, NULL } }; /* BrowseRequest's BrowseDescription's ResultMaskTable enum table */ static const value_string g_ResultMask[] = { { RESULTMASK_ALL, "All" }, { 0, NULL } }; /* trees */ static gint ett_opcua_diagnosticinfo = -1; static gint ett_opcua_diagnosticinfo_encodingmask = -1; static gint ett_opcua_nodeid = -1; static gint ett_opcua_expandednodeid = -1; static gint ett_opcua_expandednodeid_encodingmask = -1; static gint ett_opcua_localizedtext = -1; static gint ett_opcua_localizedtext_encodingmask = -1; static gint ett_opcua_qualifiedname = -1; static gint ett_opcua_datavalue = -1; static gint ett_opcua_datavalue_encodingmask = -1; static gint ett_opcua_variant = -1; static gint ett_opcua_variant_arraydims = -1; static gint ett_opcua_extensionobject = -1; static gint ett_opcua_extensionobject_encodingmask = -1; static gint ett_opcua_statuscode = -1; static gint ett_opcua_statuscode_info = -1; gint ett_opcua_array_Boolean = -1; gint ett_opcua_array_SByte = -1; gint ett_opcua_array_Byte = -1; gint ett_opcua_array_Int16 = -1; gint ett_opcua_array_UInt16 = -1; gint ett_opcua_array_Int32 = -1; gint ett_opcua_array_UInt32 = -1; gint ett_opcua_array_Int64 = -1; gint ett_opcua_array_UInt64 = -1; gint ett_opcua_array_Float = -1; gint ett_opcua_array_Double = -1; gint ett_opcua_array_String = -1; gint ett_opcua_array_DateTime = -1; gint ett_opcua_array_Guid = -1; gint ett_opcua_array_ByteString = -1; gint ett_opcua_array_XmlElement = -1; gint ett_opcua_array_NodeId = -1; gint ett_opcua_array_ExpandedNodeId = -1; gint ett_opcua_array_StatusCode = -1; gint ett_opcua_array_DiagnosticInfo = -1; gint ett_opcua_array_QualifiedName = -1; gint ett_opcua_array_LocalizedText = -1; gint ett_opcua_array_ExtensionObject = -1; gint ett_opcua_array_DataValue = -1; gint ett_opcua_array_Variant = -1; gint ett_opcua_returnDiagnostics = -1; gint ett_opcua_nodeClassMask = -1; gint ett_opcua_resultMask = -1; static gint *ett[] = { &ett_opcua_diagnosticinfo, &ett_opcua_diagnosticinfo_encodingmask, &ett_opcua_nodeid, &ett_opcua_expandednodeid, &ett_opcua_expandednodeid_encodingmask, &ett_opcua_localizedtext, &ett_opcua_localizedtext_encodingmask, &ett_opcua_qualifiedname, &ett_opcua_datavalue, &ett_opcua_datavalue_encodingmask, &ett_opcua_variant, &ett_opcua_variant_arraydims, &ett_opcua_extensionobject, &ett_opcua_extensionobject_encodingmask, &ett_opcua_statuscode, &ett_opcua_statuscode_info, &ett_opcua_array_Boolean, &ett_opcua_array_SByte, &ett_opcua_array_Byte, &ett_opcua_array_Int16, &ett_opcua_array_UInt16, &ett_opcua_array_Int32, &ett_opcua_array_UInt32, &ett_opcua_array_Int64, &ett_opcua_array_UInt64, &ett_opcua_array_Float, &ett_opcua_array_Double, &ett_opcua_array_String, &ett_opcua_array_DateTime, &ett_opcua_array_Guid, &ett_opcua_array_ByteString, &ett_opcua_array_XmlElement, &ett_opcua_array_NodeId, &ett_opcua_array_ExpandedNodeId, &ett_opcua_array_StatusCode, &ett_opcua_array_DiagnosticInfo, &ett_opcua_array_QualifiedName, &ett_opcua_array_LocalizedText, &ett_opcua_array_ExtensionObject, &ett_opcua_array_DataValue, &ett_opcua_array_Variant, &ett_opcua_returnDiagnostics, &ett_opcua_nodeClassMask, &ett_opcua_resultMask }; void registerSimpleTypes(int proto) { expert_module_t* expert_proto; static hf_register_info hf[] = { /* id full name abbreviation type display strings bitmask blurb HFILL */ {&hf_opcua_diag_mask, {"EncodingMask", "opcua.diag.mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_mask_symbolicflag, {"has symbolic id", "opcua.diag.has_symbolic_id", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_SYMBOLICID_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_namespaceflag, {"has namespace", "opcua.diag.has_namespace", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_NAMESPACE_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_localizedtextflag, {"has localizedtext", "opcua.diag.has_localizedtext", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_LOCALIZEDTEXT_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_localeflag, {"has locale", "opcua.diag.has_locale", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_LOCALE_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_additionalinfoflag, {"has additional info", "opcua.diag.has_additional_info", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_ADDITIONALINFO_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_innerstatuscodeflag, {"has inner statuscode", "opcua.diag.has_inner_statuscode", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_INNERSTATUSCODE_FLAG, NULL, HFILL}}, {&hf_opcua_diag_mask_innerdiaginfoflag, {"has inner diagnostic info", "opcua.diag.has_inner_diagnostic_code", FT_BOOLEAN, 8, NULL, DIAGNOSTICINFO_ENCODINGMASK_INNERDIAGNOSTICINFO_FLAG, NULL, HFILL}}, {&hf_opcua_loctext_mask, {"EncodingMask", "opcua.loctext.mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_loctext_mask_localeflag, {"has locale information", "opcua.loctext.has_locale_information", FT_BOOLEAN, 8, NULL, LOCALIZEDTEXT_ENCODINGBYTE_LOCALE, NULL, HFILL}}, {&hf_opcua_loctext_mask_textflag, {"has text", "opcua.loctext.has_text", FT_BOOLEAN, 8, NULL, LOCALIZEDTEXT_ENCODINGBYTE_TEXT, NULL, HFILL}}, {&hf_opcua_nodeid_encodingmask, {"EncodingMask", "opcua.nodeid.encodingmask", FT_UINT8, BASE_HEX, VALS(g_nodeidmasks), 0x0F, NULL, HFILL}}, {&hf_opcua_nodeid_nsindex, {"Namespace Index", "opcua.nodeid.nsindex", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_nodeid_numeric, {"Identifier Numeric", "opcua.nodeid.numeric", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_nodeid_string, {"Identifier String", "opcua.nodeid.string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_nodeid_guid, {"Identifier Guid", "opcua.nodeid.guid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_nodeid_bytestring, {"Identifier ByteString", "opcua.nodeid.bytestring", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_expandednodeid_mask, {"EncodingMask", "opcua.expandednodeid.mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_expandednodeid_mask_namespaceuri, {"has namespace uri", "opcua.expandednodeid.has_namespace_uri", FT_BOOLEAN, 8, NULL, NODEID_NAMESPACEURIFLAG, NULL, HFILL}}, {&hf_opcua_expandednodeid_mask_serverindex, {"has server index", "opcua.expandednodeid.has_server_index", FT_BOOLEAN, 8, NULL, NODEID_SERVERINDEXFLAG, NULL, HFILL}}, {&hf_opcua_localizedtext_locale, {"Locale", "opcua.loctext.Locale", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_localizedtext_text, {"Text", "opcua.loctext.Text", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_qualifiedname_id, {"Id", "opcua.qualname.Id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_qualifiedname_name, {"Name", "opcua.qualname.Name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_datavalue_mask, {"EncodingMask", "opcua.datavalue.mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_datavalue_mask_valueflag, {"has value", "opcua.datavalue.has_value", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_VALUE, NULL, HFILL}}, {&hf_opcua_datavalue_mask_statuscodeflag, {"has statuscode", "opcua.datavalue.has_statuscode", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_STATUSCODE, NULL, HFILL}}, {&hf_opcua_datavalue_mask_sourcetimestampflag, {"has source timestamp", "opcua.datavalue.has_source_timestamp", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_SOURCETIMESTAMP, NULL, HFILL}}, {&hf_opcua_datavalue_mask_servertimestampflag, {"has server timestamp", "opcua.datavalue.has_server_timestamp", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_SERVERTIMESTAMP, NULL, HFILL}}, {&hf_opcua_datavalue_mask_sourcepicoseconds, {"has source picoseconds", "opcua.datavalue.has_source_picoseconds", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_SOURCEPICOSECONDS, NULL, HFILL}}, {&hf_opcua_datavalue_mask_serverpicoseconds, {"has server picoseconds", "opcua.datavalue.has_server_picoseconds", FT_BOOLEAN, 8, NULL, DATAVALUE_ENCODINGBYTE_SERVERPICOSECONDS, NULL, HFILL}}, {&hf_opcua_variant_encodingmask, {"Variant Type", "opcua.variant.has_value", FT_UINT8, BASE_HEX, VALS(g_VariantTypes), 0x0, NULL, HFILL}}, {&hf_opcua_SourceTimestamp, {"SourceTimestamp", "opcua.datavalue.SourceTimestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_SourcePicoseconds, {"SourcePicoseconds", "opcua.datavalue.SourcePicoseconds", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_ServerTimestamp, {"ServerTimestamp", "opcua.datavalue.ServerTimestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_ServerPicoseconds, {"ServerPicoseconds", "opcua.datavalue.ServerPicoseconds", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_symbolicid, {"SymbolicId", "opcua.diag.SymbolicId", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_namespace, {"Namespace", "opcua.diag.Namespace", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_localizedtext, {"LocalizedText", "opcua.diag.LocalizedText", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_locale, {"Locale", "opcua.diag.Locale", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_additionalinfo, {"AdditionalInfo", "opcua.diag.AdditionalInfo", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_diag_innerstatuscode, {"InnerStatusCode", "opcua.diag.InnerStatusCode", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_extobj_mask, {"EncodingMask", "opcua.extobj.mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_extobj_mask_binbodyflag, {"has binary body", "opcua.extobj.has_binary_body", FT_BOOLEAN, 8, NULL, EXTOBJ_ENCODINGMASK_BINBODY_FLAG, NULL, HFILL}}, {&hf_opcua_extobj_mask_xmlbodyflag, {"has xml body", "opcua.extobj.has_xml_body", FT_BOOLEAN, 8, NULL, EXTOBJ_ENCODINGMASK_XMLBODY_FLAG, NULL, HFILL}}, {&hf_opcua_ArraySize, {"ArraySize", "opcua.variant.ArraySize", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_ServerIndex, {"ServerIndex", "opcua.expandednodeid.ServerIndex", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_status_StructureChanged, {"StructureChanged", "opcua.statuscode.structureChanged", FT_BOOLEAN, 16, NULL, STATUSCODE_STRUCTURECHANGED, NULL, HFILL}}, {&hf_opcua_status_SemanticsChanged, {"SemanticsChanged", "opcua.statuscode.semanticsChanged", FT_BOOLEAN, 16, NULL, STATUSCODE_SEMANTICSCHANGED, NULL, HFILL}}, {&hf_opcua_status_InfoBit_Limit_Overflow, {"Overflow", "opcua.statuscode.overflow", FT_BOOLEAN, 16, NULL, STATUSCODE_INFOBIT_OVERFLOW, NULL, HFILL}}, {&hf_opcua_status_InfoBit_Historian_Partial, {"HistorianBit: Partial", "opcua.statuscode.historian.partial", FT_BOOLEAN, 16, NULL, STATUSCODE_INFOBIT_HISTORIAN_PARTIAL, NULL, HFILL}}, {&hf_opcua_status_InfoBit_Historian_ExtraData, {"HistorianBit: ExtraData", "opcua.statuscode.historian.extraData", FT_BOOLEAN, 16, NULL, STATUSCODE_INFOBIT_HISTORIAN_EXTRADATA, NULL, HFILL}}, {&hf_opcua_status_InfoBit_Historian_MultiValue, {"HistorianBit: MultiValue", "opcua.statuscode.historian.multiValue", FT_BOOLEAN, 16, NULL, STATUSCODE_INFOBIT_HISTORIAN_MULTIVALUE, NULL, HFILL}}, {&hf_opcua_status_InfoType, {"InfoType", "opcua.statuscode.infoType", FT_UINT16, BASE_HEX, VALS(g_infotype), 0x0C00, NULL, HFILL}}, {&hf_opcua_status_Limit, {"Limit", "opcua.statuscode.limit", FT_UINT16, BASE_HEX, VALS(g_limit), 0x0300, NULL, HFILL}}, {&hf_opcua_status_Historian, {"Historian", "opcua.statuscode.historian", FT_UINT16, BASE_HEX, VALS(g_historian), 0x0003, NULL, HFILL}}, {&hf_opcua_returnDiag, {"Return Diagnostics", "opcua.returndiag", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_sl_symbolicId, {"ServiceLevel / SymbolicId", "opcua.returndiag.servicelevel.symbolicid", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_SERVICELEVEL_SYMBOLICID, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_sl_localizedText, {"ServiceLevel / LocalizedText", "opcua.returndiag.servicelevel.localizedtext", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_SERVICELEVEL_LOCALIZEDTEXT, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_sl_additionalinfo, {"ServiceLevel / AdditionalInfo", "opcua.returndiag.servicelevel.additionalinfo", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_SERVICELEVEL_ADDITIONALINFO, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_sl_innerstatuscode, {"ServiceLevel / Inner StatusCode", "opcua.returndiag.servicelevel.innerstatuscode", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_SERVICELEVEL_INNERSTATUSCODE, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_sl_innerdiagnostics, {"ServiceLevel / Inner Diagnostics", "opcua.returndiag.servicelevel.innerdiagnostics", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_SERVICELEVEL_INNERDIAGNOSTICS, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_ol_symbolicId, {"OperationLevel / SymbolicId", "opcua.returndiag.operationlevel.symbolicid", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_OPERATIONLEVEL_SYMBOLICID, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_ol_localizedText, {"OperationLevel / LocalizedText", "opcua.returndiag.operationlevel.localizedtext", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_OPERATIONLEVEL_LOCALIZEDTEXT, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_ol_additionalinfo, {"OperationLevel / AdditionalInfo", "opcua.returndiag.operationlevel.additionalinfo", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_OPERATIONLEVEL_ADDITIONALINFO, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_ol_innerstatuscode, {"OperationLevel / Inner StatusCode", "opcua.returndiag.operationlevel.innerstatuscode", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_OPERATIONLEVEL_INNERSTATUSCODE, NULL, HFILL}}, {&hf_opcua_returnDiag_mask_ol_innerdiagnostics, {"OperationLevel / Inner Diagnostics", "opcua.returndiag.operationlevel.innerdiagnostics", FT_BOOLEAN, 16, NULL, RETURNDIAGNOSTICS_OPERATIONLEVEL_INNERDIAGNOSTICS, NULL, HFILL}}, {&hf_opcua_nodeClassMask, {"Node Class Mask", "opcua.nodeclassmask", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_nodeClassMask_all, {"Node Class Mask", "opcua.nodeclassmask.all", FT_UINT32, BASE_HEX, VALS(g_NodeClassMask), 0x0, NULL, HFILL}}, {&hf_opcua_nodeClassMask_object, {"Object", "opcua.nodeclassmask.object", FT_BOOLEAN, 16, NULL, NODECLASSMASK_OBJECT, NULL, HFILL}}, {&hf_opcua_nodeClassMask_variable, {"Variable", "opcua.nodeclassmask.variable", FT_BOOLEAN, 16, NULL, NODECLASSMASK_VARIABLE, NULL, HFILL}}, {&hf_opcua_nodeClassMask_method, {"Method", "opcua.nodeclassmask.method", FT_BOOLEAN, 16, NULL, NODECLASSMASK_METHOD, NULL, HFILL}}, {&hf_opcua_nodeClassMask_objecttype, {"ObjectType", "opcua.nodeclassmask.objecttype", FT_BOOLEAN, 16, NULL, NODECLASSMASK_OBJECTTYPE, NULL, HFILL}}, {&hf_opcua_nodeClassMask_variabletype, {"VariableType", "opcua.nodeclassmask.variabletype", FT_BOOLEAN, 16, NULL, NODECLASSMASK_VARIABLETYPE, NULL, HFILL}}, {&hf_opcua_nodeClassMask_referencetype, {"ReferenceType", "opcua.nodeclassmask.referencetype", FT_BOOLEAN, 16, NULL, NODECLASSMASK_REFERENCETYPE, NULL, HFILL}}, {&hf_opcua_nodeClassMask_datatype, {"DataType", "opcua.nodeclassmask.datatype", FT_BOOLEAN, 16, NULL, NODECLASSMASK_DATATYPE, NULL, HFILL}}, {&hf_opcua_nodeClassMask_view, {"View", "opcua.nodeclassmask.view", FT_BOOLEAN, 16, NULL, NODECLASSMASK_VIEW, NULL, HFILL}}, {&hf_opcua_resultMask, {"Result Mask", "opcua.resultmask", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}}, {&hf_opcua_resultMask_referencetype, {"Reference Type", "opcua.resultmask.referencetype", FT_BOOLEAN, 16, NULL, RESULTMASK_REFERENCETYPE, NULL, HFILL}}, {&hf_opcua_resultMask_isforward, {"Is Forward", "opcua.resultmask.isforward", FT_BOOLEAN, 16, NULL, RESULTMASK_ISFORWARD, NULL, HFILL}}, {&hf_opcua_resultMask_nodeclass, {"Node Class", "opcua.resultmask.nodeclass", FT_BOOLEAN, 16, NULL, RESULTMASK_NODECLASS, NULL, HFILL}}, {&hf_opcua_resultMask_browsename, {"Browse Name", "opcua.resultmask.browsename", FT_BOOLEAN, 16, NULL, RESULTMASK_BROWSENAME, NULL, HFILL}}, {&hf_opcua_resultMask_displayname, {"Display Name", "opcua.resultmask.displayname", FT_BOOLEAN, 16, NULL, RESULTMASK_DISPLAYNAME, NULL, HFILL}}, {&hf_opcua_resultMask_typedefinition, {"Type Definiton", "opcua.resultmask.typedefinition", FT_BOOLEAN, 16, NULL, RESULTMASK_TYPEDEFINITION, NULL, HFILL}}, {&hf_opcua_resultMask_all, {"Result Mask", "opcua.resultmask.all", FT_UINT32, BASE_HEX, VALS(g_ResultMask), 0x0, NULL, HFILL}}, }; static ei_register_info ei[] = { { &ei_array_length, { "opcua.array.length", PI_UNDECODED, PI_ERROR, "Max array length exceeded", EXPFILL }}, }; proto_register_field_array(proto, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_proto = expert_register_protocol(proto); expert_register_field_array(expert_proto, ei, array_length(ei)); } proto_item* parseBoolean(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 1, ENC_LITTLE_ENDIAN); *pOffset+=1; return item; } proto_item* parseByte(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 1, ENC_LITTLE_ENDIAN); *pOffset+=1; return item; } proto_item* parseSByte(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 1, ENC_LITTLE_ENDIAN); *pOffset+=1; return item; } proto_item* parseUInt16(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 2, ENC_LITTLE_ENDIAN); *pOffset+=2; return item; } proto_item* parseInt16(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 2, ENC_LITTLE_ENDIAN); *pOffset+=2; return item; } proto_item* parseUInt32(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4; return item; } proto_item* parseInt32(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); *pOffset+=4; return item; } proto_item* parseUInt64(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 8, ENC_LITTLE_ENDIAN); *pOffset+=8; return item; } proto_item* parseInt64(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 8, ENC_LITTLE_ENDIAN); *pOffset+=8; return item; } proto_item* parseString(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = NULL; char *szValue; gint iOffset = *pOffset; gint32 iLen = tvb_get_letohl(tvb, *pOffset); iOffset+=4; if (iLen == -1) { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); proto_item_append_text(item, "[OpcUa Null String]"); proto_item_set_end(item, tvb, *pOffset + 4); } else if (iLen == 0) { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); proto_item_append_text(item, "[OpcUa Empty String]"); proto_item_set_end(item, tvb, *pOffset + 4); } else if (iLen > 0) { item = proto_tree_add_item(tree, hfIndex, tvb, iOffset, iLen, ENC_UTF_8|ENC_NA); iOffset += iLen; /* eat the whole string */ } else { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); szValue = wmem_strdup_printf(wmem_packet_scope(), "[Invalid String] Invalid length: %d", iLen); proto_item_append_text(item, "%s", szValue); proto_item_set_end(item, tvb, *pOffset + 4); } *pOffset = iOffset; return item; } proto_item* parseStatusCode(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = NULL; guint32 uStatusCode = 0; const gchar *szStatusCode = NULL; item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 4, ENC_LITTLE_ENDIAN); uStatusCode = tvb_get_letohl(tvb, *pOffset); szStatusCode = val_to_str_const(uStatusCode & 0xFFFF0000, g_statusCodes, "Unknown Status Code"); proto_item_append_text(item, " [%s]", szStatusCode); /* check for status code info flags */ if (uStatusCode & 0x0000FFFF) { gint iOffset = *pOffset; proto_tree *flags_tree; proto_item *ti_inner; flags_tree = proto_item_add_subtree(item, ett_opcua_statuscode); proto_tree_add_item(flags_tree, hf_opcua_status_StructureChanged, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(flags_tree, hf_opcua_status_SemanticsChanged, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); ti_inner = proto_tree_add_item(flags_tree, hf_opcua_status_InfoType, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); switch (uStatusCode & 0x00000C00) { case STATUSCODE_INFOTYPE_DATAVALUE: { /* InfoType == DataValue */ proto_tree *tree_inner; tree_inner = proto_item_add_subtree(ti_inner, ett_opcua_statuscode_info); proto_tree_add_item(tree_inner, hf_opcua_status_Limit, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree_inner, hf_opcua_status_InfoBit_Limit_Overflow, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree_inner, hf_opcua_status_InfoBit_Historian_MultiValue, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree_inner, hf_opcua_status_InfoBit_Historian_ExtraData, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree_inner, hf_opcua_status_InfoBit_Historian_Partial, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree_inner, hf_opcua_status_Historian, tvb, iOffset, 2, ENC_LITTLE_ENDIAN); } default: break; } } *pOffset += 4; return item; } void parseLocalizedText(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, const char *szFieldName) { static const int *loctext_mask[] = {&hf_opcua_loctext_mask_localeflag, &hf_opcua_loctext_mask_textflag, NULL}; gint iOffset = *pOffset; guint8 EncodingMask; proto_tree *subtree; proto_item *ti; subtree = proto_tree_add_subtree_format(tree, tvb, *pOffset, -1, ett_opcua_localizedtext, &ti, "%s: LocalizedText", szFieldName); /* parse encoding mask */ EncodingMask = tvb_get_guint8(tvb, iOffset); proto_tree_add_bitmask(subtree, tvb, iOffset, hf_opcua_loctext_mask, ett_opcua_localizedtext_encodingmask, loctext_mask, ENC_LITTLE_ENDIAN); iOffset++; if (EncodingMask & LOCALIZEDTEXT_ENCODINGBYTE_LOCALE) { parseString(subtree, tvb, pinfo, &iOffset, hf_opcua_localizedtext_locale); } if (EncodingMask & LOCALIZEDTEXT_ENCODINGBYTE_TEXT) { parseString(subtree, tvb, pinfo, &iOffset, hf_opcua_localizedtext_text); } proto_item_set_end(ti, tvb, iOffset); *pOffset = iOffset; } proto_item* parseGuid(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, GUID_LEN, ENC_NA); *pOffset+=GUID_LEN; return item; } proto_item* parseByteString(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = NULL; char *szValue; int iOffset = *pOffset; gint32 iLen = tvb_get_letohl(tvb, iOffset); iOffset += 4; if (iLen == -1) { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); proto_item_append_text(item, "[OpcUa Null ByteString]"); proto_item_set_end(item, tvb, *pOffset + 4); } else if (iLen == 0) { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); proto_item_append_text(item, "[OpcUa Empty ByteString]"); proto_item_set_end(item, tvb, *pOffset + 4); } else if (iLen > 0) { item = proto_tree_add_item(tree, hfIndex, tvb, iOffset, iLen, ENC_NA); iOffset += iLen; /* eat the whole bytestring */ } else { item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, 0, ENC_NA); szValue = wmem_strdup_printf(wmem_packet_scope(), "[Invalid ByteString] Invalid length: %d", iLen); proto_item_append_text(item, "%s", szValue); proto_item_set_end(item, tvb, *pOffset + 4); } *pOffset = iOffset; return item; } proto_item* parseXmlElement(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, int hfIndex) { return parseByteString(tree, tvb, pinfo, pOffset, hfIndex); } proto_item* parseFloat(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, (int)sizeof(gfloat), ENC_LITTLE_ENDIAN); *pOffset += (int)sizeof(gfloat); return item; } proto_item* parseDouble(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = proto_tree_add_item(tree, hfIndex, tvb, *pOffset, (int)sizeof(gdouble), ENC_LITTLE_ENDIAN); *pOffset += (int)sizeof(gdouble); return item; } proto_item* parseDateTime(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo _U_, gint *pOffset, int hfIndex) { proto_item *item = NULL; *pOffset = dissect_nt_64bit_time_ex(tvb, tree, *pOffset, hfIndex, &item, FALSE); return item; } void parseDiagnosticInfo(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, const char *szFieldName) { static const int *diag_mask[] = {&hf_opcua_diag_mask_symbolicflag, &hf_opcua_diag_mask_namespaceflag, &hf_opcua_diag_mask_localizedtextflag, &hf_opcua_diag_mask_localeflag, &hf_opcua_diag_mask_additionalinfoflag, &hf_opcua_diag_mask_innerstatuscodeflag, &hf_opcua_diag_mask_innerdiaginfoflag, NULL}; gint iOffset = *pOffset; guint8 EncodingMask; proto_tree *subtree; proto_item *ti; subtree = proto_tree_add_subtree_format(tree, tvb, *pOffset, -1, ett_opcua_diagnosticinfo, &ti, "%s: DiagnosticInfo", szFieldName); /* parse encoding mask */ EncodingMask = tvb_get_guint8(tvb, iOffset); proto_tree_add_bitmask(subtree, tvb, iOffset, hf_opcua_diag_mask, ett_opcua_diagnosticinfo_encodingmask, diag_mask, ENC_LITTLE_ENDIAN); iOffset++; if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_SYMBOLICID_FLAG) { parseInt32(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_symbolicid); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_NAMESPACE_FLAG) { parseInt32(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_namespace); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_LOCALIZEDTEXT_FLAG) { parseInt32(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_localizedtext); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_LOCALE_FLAG) { parseInt32(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_locale); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_ADDITIONALINFO_FLAG) { parseString(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_additionalinfo); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_INNERSTATUSCODE_FLAG) { parseStatusCode(subtree, tvb, pinfo, &iOffset, hf_opcua_diag_innerstatuscode); } if (EncodingMask & DIAGNOSTICINFO_ENCODINGMASK_INNERDIAGNOSTICINFO_FLAG) { parseDiagnosticInfo(subtree, tvb, pinfo, &iOffset, "Inner DiagnosticInfo"); } proto_item_set_end(ti, tvb, iOffset); *pOffset = iOffset; } void parseQualifiedName(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, const char *szFieldName) { proto_item *ti; proto_tree *subtree = proto_tree_add_subtree_format(tree, tvb, *pOffset, -1, ett_opcua_qualifiedname, &ti, "%s: QualifiedName", szFieldName); parseUInt16(subtree, tvb, pinfo, pOffset, hf_opcua_qualifiedname_id); parseString(subtree, tvb, pinfo, pOffset, hf_opcua_qualifiedname_name); proto_item_set_end(ti, tvb, *pOffset); } void parseDataValue(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, const char *szFieldName) { static const int *datavalue_mask[] = {&hf_opcua_datavalue_mask_valueflag, &hf_opcua_datavalue_mask_statuscodeflag, &hf_opcua_datavalue_mask_sourcetimestampflag, &hf_opcua_datavalue_mask_servertimestampflag, &hf_opcua_datavalue_mask_sourcepicoseconds, &hf_opcua_datavalue_mask_serverpicoseconds, NULL}; proto_item *ti; proto_tree *subtree = proto_tree_add_subtree_format(tree, tvb, *pOffset, -1, ett_opcua_datavalue, &ti, "%s: DataValue", szFieldName); gint iOffset = *pOffset; guint8 EncodingMask; EncodingMask = tvb_get_guint8(tvb, iOffset); proto_tree_add_bitmask(subtree, tvb, iOffset, hf_opcua_datavalue_mask, ett_opcua_datavalue_encodingmask, datavalue_mask, ENC_LITTLE_ENDIAN); iOffset++; if (EncodingMask & DATAVALUE_ENCODINGBYTE_VALUE) { parseVariant(subtree, tvb, pinfo, &iOffset, "Value"); } if (EncodingMask & DATAVALUE_ENCODINGBYTE_STATUSCODE) { parseStatusCode(subtree, tvb, pinfo, &iOffset, hf_opcua_StatusCode); } if (EncodingMask & DATAVALUE_ENCODINGBYTE_SOURCETIMESTAMP) { parseDateTime(subtree, tvb, pinfo, &iOffset, hf_opcua_SourceTimestamp); } if (EncodingMask & DATAVALUE_ENCODINGBYTE_SOURCEPICOSECONDS) { parseUInt16(subtree, tvb, pinfo, &iOffset, hf_opcua_SourcePicoseconds); } if (EncodingMask & DATAVALUE_ENCODINGBYTE_SERVERTIMESTAMP) { parseDateTime(subtree, tvb, pinfo, &iOffset, hf_opcua_ServerTimestamp); } if (EncodingMask & DATAVALUE_ENCODINGBYTE_SERVERPICOSECONDS) { parseUInt16(subtree, tvb, pinfo, &iOffset, hf_opcua_ServerPicoseconds); } proto_item_set_end(ti, tvb, iOffset); *pOffset = iOffset; } void parseVariant(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, gint *pOffset, const char *szFieldName) { proto_item *ti; proto_tree *subtree = proto_tree_add_subtree_format(tree, tvb, *pOffset, -1, ett_opcua_variant, &ti, "%s: Variant", szFieldName); gint iOffset = *pOffset; guint8 EncodingMask; gint32 ArrayDimensions = 0; EncodingMask = tvb_get_guint8(tvb, iOffset); proto_tree_add_item(subtree, hf_opcua_variant_encodingmask, tvb, iOffset, 1, ENC_LITTLE_ENDIAN); iOffset++; if (EncodingMask & VARIANT_ARRAYMASK) { /* type is encoded in bits 0-5 */ switch(EncodingMask & 0x3f) { case OpcUaType_Null: break; case OpcUaType_Boolean: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Boolean", "Boolean", hf_opcua_Boolean, parseBoolean, ett_opcua_array_Boolean); break; case OpcUaType_SByte: parseArraySimple(subtree, tvb, pinfo, &iOffset, "SByte", "SByte", hf_opcua_SByte, parseSByte, ett_opcua_array_SByte); break; case OpcUaType_Byte: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Byte", "Byte", hf_opcua_Byte, parseByte, ett_opcua_array_Byte); break; case OpcUaType_Int16: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Int16", "Int16", hf_opcua_Int16, parseInt16, ett_opcua_array_Int16); break; case OpcUaType_UInt16: parseArraySimple(subtree, tvb, pinfo, &iOffset, "UInt16", "UInt16", hf_opcua_UInt16, parseUInt16, ett_opcua_array_UInt16); break; case OpcUaType_Int32: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Int32", "Int32", hf_opcua_Int32, parseInt32, ett_opcua_array_Int32); break; case OpcUaType_UInt32: parseArraySimple(subtree, tvb, pinfo, &iOffset, "UInt32", "UInt32", hf_opcua_UInt32, parseUInt32, ett_opcua_array_UInt32); break; case OpcUaType_Int64: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Int64", "Int64", hf_opcua_Int64, parseInt64, ett_opcua_array_Int64); break; case OpcUaType_UInt64: parseArraySimple(subtree, tvb, pinfo, &iOffset, "UInt64", "UInt64", hf_opcua_UInt64, parseUInt64, ett_opcua_array_UInt64); break; case OpcUaType_Float: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Float", "Float", hf_opcua_Float, parseFloat, ett_opcua_array_Float); break; case OpcUaType_Double: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Double", "Double", hf_opcua_Double, parseDouble, ett_opcua_array_Double); break; case OpcUaType_String: parseArraySimple(subtree, tvb, pinfo, &iOffset, "String", "String", hf_opcua_String, parseString, ett_opcua_array_String); break; case OpcUaType_DateTime: parseArraySimple(subtree, tvb, pinfo, &iOffset, "DateTime", "DateTime", hf_opcua_DateTime, parseDateTime, ett_opcua_array_DateTime); break; case OpcUaType_Guid: parseArraySimple(subtree, tvb, pinfo, &iOffset, "Guid", "Guid", hf_opcua_Guid, parseGuid, ett_opcua_array_Guid); break; case OpcUaType_ByteString: parseArraySimple(subtree, tvb, pinfo, &iOffset, "ByteString", "ByteString", hf_opcua_ByteString, parseByteString, ett_opcua_array_ByteString); break; case OpcUaType_XmlElement: parseArraySimple(subtree, tvb, pinfo, &iOffset, "XmlElement", "XmlElement", hf_opcua_XmlElement, parseXmlElement, ett_opcua_array_XmlElement); break; case OpcUaType_NodeId: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "NodeId", "NodeId", parseNodeId, ett_opcua_array_NodeId); break; case OpcUaType_ExpandedNodeId: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "ExpandedNodeId", "ExpandedNodeId", parseExpandedNodeId, ett_opcua_array_ExpandedNodeId); break; case OpcUaType_StatusCode: parseArraySimple(subtree, tvb, pinfo, &iOffset, "StatusCode", "StatusCode", hf_opcua_StatusCode, parseStatusCode, ett_opcua_array_StatusCode); break; case OpcUaType_DiagnosticInfo: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "DiagnosticInfo", "DiagnosticInfo", parseDiagnosticInfo, ett_opcua_array_DiagnosticInfo); break; case OpcUaType_QualifiedName: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "QualifiedName", "QualifiedName", parseQualifiedName, ett_opcua_array_QualifiedName); break; case OpcUaType_LocalizedText: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "LocalizedText", "LocalizedText", parseLocalizedText, ett_opcua_array_LocalizedText); break; case OpcUaType_ExtensionObject: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "ExtensionObject", "ExtensionObject", parseExtensionObject, ett_opcua_array_ExtensionObject); break; case OpcUaType_DataValue: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "DataValue", "DataValue", parseDataValue, ett_opcua_array_DataValue); break; case OpcUaType_Variant: parseArrayComplex(subtree, tvb, pinfo, &iOffset, "Variant", "Variant", parseVariant, ett_opcua_array_Variant); break; } if (EncodingMask & VARIANT_ARRAYDIMENSIONS) { proto_item *ti_2; proto_tree *subtree_2 = proto_tree_add_subtree(subtree, tvb, iOffset, -1, ett_opcua_variant_arraydims, &ti_2, "ArrayDimensions"); int i; /* read array length */ ArrayDimensions = tvb_get_letohl(tvb, iOffset); proto_tree_add_item(subtree_2, hf_opcua_ArraySize, tvb, iOffset, 4, ENC_LITTLE_ENDIAN); if (ArrayDimensions > MAX_ARRAY_LEN) { proto_tree_add_expert_format(subtree_2, pinfo, &ei_array_length, tvb, iOffset, 4, "ArrayDimensions length %d too large to process", ArrayDimensions); return; } iOffset += 4; for (i=0; i MAX_ARRAY_LEN) { proto_tree_add_expert_format(subtree, pinfo, &ei_array_length, tvb, *pOffset, 4, "Array length %d too large to process", iLen); return; } *pOffset += 4; for (i=0; i MAX_ARRAY_LEN) { proto_tree_add_expert_format(subtree, pinfo, &ei_array_length, tvb, *pOffset, 4, "Array length %d too large to process", iLen); return; } *pOffset += 4; for (i=0; i MAX_ARRAY_LEN) { proto_tree_add_expert_format(subtree, pinfo, &ei_array_length, tvb, *pOffset, 4, "Array length %d too large to process", iLen); return; } *pOffset += 4; for (i=0; i