/* packet-uds.c * Routines for uds protocol packet disassembly * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include #include "packet-uds.h" #include "packet-doip.h" #include "packet-hsfz.h" #include "packet-iso10681.h" #include "packet-iso15765.h" #include "packet-ber.h" #include "packet-x509af.h" #include void proto_register_uds(void); void proto_reg_handoff_uds(void); #define DATAFILE_UDS_ROUTINE_IDS "UDS_routine_identifiers" #define DATAFILE_UDS_DATA_IDS "UDS_data_identifiers" #define DATAFILE_UDS_DTC_IDS "UDS_dtc_identifiers" #define DATAFILE_UDS_ADDRESSES "UDS_diagnostic_addresses" #define UDS_RESPONSE_CODES_GR 0x10 #define UDS_RESPONSE_CODES_SNS 0x11 #define UDS_RESPONSE_CODES_SFNS 0x12 #define UDS_RESPONSE_CODES_IMLOIF 0x13 #define UDS_RESPONSE_CODES_RTL 0x14 #define UDS_RESPONSE_CODES_BRR 0x21 #define UDS_RESPONSE_CODES_CNC 0x22 #define UDS_RESPONSE_CODES_RSE 0x24 #define UDS_RESPONSE_CODES_NRFSC 0x25 #define UDS_RESPONSE_CODES_FPEORA 0x26 #define UDS_RESPONSE_CODES_ROOR 0x31 #define UDS_RESPONSE_CODES_SAD 0x33 #define UDS_RESPONSE_CODES_AR 0x34 #define UDS_RESPONSE_CODES_IK 0x35 #define UDS_RESPONSE_CODES_ENOA 0x36 #define UDS_RESPONSE_CODES_RTDNE 0x37 #define UDS_RESPONSE_CODES_SDTR 0x38 #define UDS_RESPONSE_CODES_SDTNA 0x39 #define UDS_RESPONSE_CODES_SDTF 0x3A #define UDS_RESPONSE_CODES_CVFITP 0x50 #define UDS_RESPONSE_CODES_CVFIS 0x51 #define UDS_RESPONSE_CODES_CVFICOT 0x52 #define UDS_RESPONSE_CODES_CVFIT 0x53 #define UDS_RESPONSE_CODES_CVFIF 0x54 #define UDS_RESPONSE_CODES_CVFIC 0x55 #define UDS_RESPONSE_CODES_CVFISD 0x56 #define UDS_RESPONSE_CODES_CVFICR 0x57 #define UDS_RESPONSE_CODES_OVF 0x58 #define UDS_RESPONSE_CODES_CCF 0x59 #define UDS_RESPONSE_CODES_SARF 0x5A #define UDS_RESPONSE_CODES_SKCDF 0x5B #define UDS_RESPONSE_CODES_CDUF 0x5C #define UDS_RESPONSE_CODES_DAF 0x5D #define UDS_RESPONSE_CODES_UDNA 0x70 #define UDS_RESPONSE_CODES_TDS 0x71 #define UDS_RESPONSE_CODES_GPF 0x72 #define UDS_RESPONSE_CODES_WBSC 0x73 #define UDS_RESPONSE_CODES_RCRRP 0x78 #define UDS_RESPONSE_CODES_SFNSIAS 0x7E #define UDS_RESPONSE_CODES_SNSIAS 0x7F #define UDS_RESPONSE_CODES_RPMTH 0x81 #define UDS_RESPONSE_CODES_RPMTL 0x82 #define UDS_RESPONSE_CODES_EIR 0x83 #define UDS_RESPONSE_CODES_EINR 0x84 #define UDS_RESPONSE_CODES_ERTTL 0x85 #define UDS_RESPONSE_CODES_TEMPTH 0x86 #define UDS_RESPONSE_CODES_TEMPTL 0x87 #define UDS_RESPONSE_CODES_VSTH 0x88 #define UDS_RESPONSE_CODES_VSTL 0x89 #define UDS_RESPONSE_CODES_TPTH 0x8a #define UDS_RESPONSE_CODES_TPTL 0x8b #define UDS_RESPONSE_CODES_TRNIN 0x8c #define UDS_RESPONSE_CODES_TRNIG 0x8d #define UDS_RESPONSE_CODES_BSNC 0x8f #define UDS_RESPONSE_CODES_SLNIP 0x90 #define UDS_RESPONSE_CODES_TCCL 0x91 #define UDS_RESPONSE_CODES_VTH 0x92 #define UDS_RESPONSE_CODES_VTL 0x93 #define UDS_RESPONSE_CODES_RTNA 0x94 #define UDS_SUBFUNCTION_MASK 0x7f #define UDS_SUPPRESS_POS_RSP_MSG_IND_MASK 0x80 #define UDS_DSC_TYPES_DEFAULT_SESSION 1 #define UDS_DSC_TYPES_PROGRAMMING_SESSION 2 #define UDS_DSC_TYPES_EXTENDED_DIAGNOSTIC_SESSION 3 #define UDS_DSC_TYPES_SAFETY_SYSTEM_DIAGNOSTIC_SESSION 4 #define UDS_ER_TYPES_HARD_RESET 1 #define UDS_ER_TYPES_KEY_OFF_ON_RESET 2 #define UDS_ER_TYPES_SOFT_RESET 3 #define UDS_ER_TYPES_ENABLE_RAPID_POWER_SHUTDOWN 4 #define UDS_ER_TYPES_DISABLE_RAPID_POWER_SHUTDOWN 5 #define UDS_ER_TYPE_ENABLE_RAPID_POWER_SHUTDOWN_INVALID 0xFF #define UDS_RDTCI_TYPES_NUMBER_BY_STATUS_MASK 0x1 #define UDS_RDTCI_TYPES_BY_STATUS_MASK 0x2 #define UDS_RDTCI_TYPES_SNAPSHOT_IDENTIFICATION 0x3 #define UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_DTC 0x4 #define UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_RECORD 0x5 #define UDS_RDTCI_TYPES_EXTENDED_RECORD_BY_DTC 0x6 #define UDS_RDTCI_TYPES_NUM_DTC_BY_SEVERITY_MASK 0x7 #define UDS_RDTCI_TYPES_BY_SEVERITY_MASK 0x8 #define UDS_RDTCI_TYPES_SEVERITY_INFO_OF_DTC 0x9 #define UDS_RDTCI_TYPES_SUPPORTED_DTC 0xA #define UDS_RDTCI_TYPES_FIRST_TEST_FAILED_DTC 0xB #define UDS_RDTCI_TYPES_FIRST_CONFIRMED_DTC 0xC #define UDS_RDTCI_TYPES_MOST_RECENT_TEST_FAILED 0xD #define UDS_RDTCI_TYPES_MOST_RECENT_CONFIRMED_DTC 0xE #define UDS_RDTCI_TYPES_OUTDATED_RMMDTCBSM 0xF #define UDS_RDTCI_TYPES_OUTDATED_RMMDEDRBDN 0x10 #define UDS_RDTCI_TYPES_OUTDATED_RNOMMDTCBSM 0x11 #define UDS_RDTCI_TYPES_OUTDATED_RNOOEOBDDTCBSM 0x12 #define UDS_RDTCI_TYPES_OUTDATED_ROBDDTCBSM 0x13 #define UDS_RDTCI_TYPES_DTC_FAULT_DETECT_CTR 0x14 #define UDS_RDTCI_TYPES_DTC_WITH_PERM_STATUS 0x15 #define UDS_RDTCI_TYPES_DTC_EXT_DATA_REC_BY_NUM 0x16 #define UDS_RDTCI_TYPES_USER_MEM_DTC_BY_STATUS_M 0x17 #define UDS_RDTCI_TYPES_USER_MEM_DTC_REC_BY_DTC_N 0x18 #define UDS_RDTCI_TYPES_USER_MEM_DTC_EXT_REC_BY_N 0x19 #define UDS_RDTCI_TYPES_SUP_DTC_EXT_RECORD 0x1A #define UDS_RDTCI_TYPES_WWH_OBD_DTC_BY_MASK_REC 0x42 #define UDS_RDTCI_TYPES_WWH_OBD_DTC_PERM_STATUS 0x55 #define UDS_RDTCI_TYPES_WWH_OBD_BY_GROUP_READY 0x56 #define UDS_RDTCI_DTC_STATUS_TEST_FAILED 0x01 #define UDS_RDTCI_DTC_STATUS_TEST_FAILED_THIS_OPER_CYCLE 0x02 #define UDS_RDTCI_DTC_STATUS_PENDING_DTC 0x04 #define UDS_RDTCI_DTC_STATUS_CONFIRMED_DTC 0x08 #define UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_SINCE_LAST_CLEAR 0x10 #define UDS_RDTCI_DTC_STATUS_TEST_FAILED_SINCE_LAST_CLEAR 0x20 #define UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_THIS_OPER_CYCLE 0x40 #define UDS_RDTCI_DTC_STATUS_WARNING_INDICATOR_REQUESTED 0x80 #define UDS_RSDBI_DATA_TYPE_UNSIGNED_NUM 0x00 #define UDS_RSDBI_DATA_TYPE_SIGNED_NUM 0x01 #define UDS_RSDBI_DATA_TYPE_BITMAPPED_REPORTED_WO_MAP 0x02 #define UDS_RSDBI_DATA_TYPE_BITMAPPED_REPORTED_WITH_MAP 0x03 #define UDS_RSDBI_DATA_TYPE_BINARY_CODED_DECIMAL 0x04 #define UDS_RSDBI_DATA_TYPE_STATE_ENCODED_VARIABLE 0x05 #define UDS_RSDBI_DATA_TYPE_ASCII 0x06 #define UDS_RSDBI_DATA_TYPE_SIGNED_FLOAT 0x07 #define UDS_RSDBI_DATA_TYPE_PACKET 0x08 #define UDS_RSDBI_DATA_TYPE_FORMULA 0x09 #define UDS_RSDBI_DATA_TYPE_UNIT_FORMAT 0x0a #define UDS_RSDBI_DATA_TYPE_STATE_AND_CONNECTION_TYPE 0x0b #define UDS_SA_TYPES_RESERVED 0x00 #define UDS_SA_TYPES_REQUEST_SEED 0x01 #define UDS_SA_TYPES_SEND_KEY 0x02 #define UDS_SA_TYPES_REQUEST_SEED_ISO26021 0x03 #define UDS_SA_TYPES_SEND_KEY_ISO26021 0x04 #define UDS_SA_TYPES_SUPPLIER 0xFE #define UDS_SA_TYPES_UNCLEAR 0xFF #define UDS_CC_TYPES_ENABLE_RX_AND_TX 0 #define UDS_CC_TYPES_ENABLE_RX_AND_DISABLE_TX 1 #define UDS_CC_TYPES_DISABLE_RX_AND_ENABLE_TX 2 #define UDS_CC_TYPES_DISABLE_RX_AND_TX 3 #define UDS_CC_TYPES_ENABLE_RX_AND_DISABLE_TX_WITH_ENH_ADDR_INFO 4 #define UDS_CC_TYPES_ENABLE_RX_AND_TX_WITH_ENH_ADDR_INFO 5 #define UDS_CC_COMM_TYPE_COMM_TYPE_MASK 0x03 #define UDS_CC_COMM_TYPE_SUBNET_NUMBER_MASK 0xF0 #define UDS_ARS_TYPES_DEAUTHENTICATE 0x00 #define UDS_ARS_TYPES_VERIFY_CERT_UNIDIRECTIONAL 0x01 #define UDS_ARS_TYPES_VERIFY_CERT_BIDIRECTIONAL 0x02 #define UDS_ARS_TYPES_PROOF_OF_OWNERSHIP 0x03 #define UDS_ARS_TYPES_TRANSMIT_CERTIFICATE 0x04 #define UDS_ARS_TYPES_REQUEST_CHALLENGE_FOR_AUTH 0x05 #define UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_UNIDIR 0x06 #define UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_BIDIR 0x07 #define UDS_ARS_TYPES_AUTH_CONFIGURATION 0x08 #define UDS_ARS_AUTH_RET_REQUEST_ACCEPTED 0x00 #define UDS_ARS_AUTH_RET_GENERAL_REJECT 0x01 #define UDS_ARS_AUTH_RET_AUTH_CONFIG_APCE 0x02 #define UDS_ARS_AUTH_RET_AUTH_CONFIG_ACR_SYM 0x03 #define UDS_ARS_AUTH_RET_AUTH_CONFIG_ACR_ASYM 0x04 #define UDS_ARS_AUTH_RET_DEAUTH_SUCCESS 0x10 #define UDS_ARS_AUTH_RET_CERT_VER_OWN_VER_NEC 0x11 #define UDS_ARS_AUTH_RET_OWN_VER_AUTH_COMPL 0x12 #define UDS_ARS_AUTH_RET_CERT_VERIFIED 0x13 #define UDS_DDDI_TYPES_DEFINE_BY_IDENTIFIER 0x01 #define UDS_DDDI_TYPES_DEFINE_BY_MEM_ADDRESS 0x02 #define UDS_DDDI_TYPES_CLEAR_DYN_DEF_DATA_ID 0x03 #define UDS_IOCBI_PARAMETERS_RETURN_CONTROL_TO_ECU 0 #define UDS_IOCBI_PARAMETERS_RESET_TO_DEFAULT 1 #define UDS_IOCBI_PARAMETERS_FREEZE_CURRENT_STATE 2 #define UDS_IOCBI_PARAMETERS_SHORT_TERM_ADJUSTMENT 3 #define UDS_RC_TYPES_START 1 #define UDS_RC_TYPES_STOP 2 #define UDS_RC_TYPES_REQUEST 3 #define UDS_RD_COMPRESSION_METHOD_MASK 0xF0 #define UDS_RD_ENCRYPTING_METHOD_MASK 0x0F #define UDS_RD_MEMORY_SIZE_LENGTH_MASK 0xF0 #define UDS_RD_MEMORY_ADDRESS_LENGTH_MASK 0x0F #define UDS_RD_MAX_BLOCK_LEN_LEN_MASK 0xF0 #define UDS_RFT_MODE_ADD_FILE 0x01 #define UDS_RFT_MODE_DELETE_FILE 0x02 #define UDS_RFT_MODE_REPLACE_FILE 0x03 #define UDS_RFT_MODE_READ_FILE 0x04 #define UDS_RFT_MODE_READ_DIR 0x05 #define UDS_RFT_MODE_RESUME_FILE 0x06 #define UDS_SDT_ADMIN_PARAM_REQ 0x0001 #define UDS_SDT_ADMIN_PARAM_PRE_ESTABL_KEY 0x0008 #define UDS_SDT_ADMIN_PARAM_ENCRYPTED 0x0010 #define UDS_SDT_ADMIN_PARAM_SIGNED 0x0020 #define UDS_SDT_ADMIN_PARAM_SIGN_ON_RESP_REQ 0x0040 #define UDS_CDTCS_ACTIONS_ON 1 #define UDS_CDTCS_ACTIONS_OFF 2 #define UDS_LC_TYPES_VMTWFP 1 #define UDS_LC_TYPES_VMTWSP 2 #define UDS_LC_TYPES_TM 3 #define UDS_DID_BSIDID 0xF180 #define UDS_DID_ASIDID 0xF181 #define UDS_DID_ADIDID 0xF182 #define UDS_DID_BSFPDID 0xF183 #define UDS_DID_ASFPDID 0xF184 #define UDS_DID_ADFPDID 0xF185 #define UDS_DID_ADSDID 0xF186 #define UDS_DID_VMSPNDID 0xF187 #define UDS_DID_VMECUSNDID 0xF188 #define UDS_DID_VMECUSVNDID 0xF189 #define UDS_DID_SSIDDID 0xF18A #define UDS_DID_ECUMDDID 0xF18B #define UDS_DID_ECUSNDID 0xF18C #define UDS_DID_SFUDID 0xF18D #define UDS_DID_VMKAPNDID 0xF18E #define UDS_DID_RXSWIN 0xF18F #define UDS_DID_VINDID 0xF190 #define UDS_DID_VMECUHNDID 0xF191 #define UDS_DID_SSECUHWNDID 0xF192 #define UDS_DID_SSECUHWVNDID 0xF193 #define UDS_DID_SSECUSWNDID 0xF194 #define UDS_DID_SSECUSWVNDID 0xF195 #define UDS_DID_EROTANDID 0xF196 #define UDS_DID_SNOETDID 0xF197 #define UDS_DID_RSCOTSNDID 0xF198 #define UDS_DID_PDDID 0xF199 #define UDS_DID_CRSCOCESNDID 0xF19A #define UDS_DID_CDDID 0xF19B #define UDS_DID_CESWNDID 0xF19D #define UDS_DID_EIDDID 0xF19D #define UDS_DID_ODXFDID 0xF19E #define UDS_DID_EDID 0xF19F #define UDS_DID_ADDID_FA00 0xFA00 #define UDS_DID_ADDID_FA01 0xFA01 #define UDS_DID_ADDID_FA02 0xFA02 #define UDS_DID_ADDID_FA03 0xFA03 #define UDS_DID_ADDID_FA04 0xFA04 #define UDS_DID_ADDID_FA05 0xFA05 #define UDS_DID_ADDID_FA06 0xFA06 #define UDS_DID_ADDID_FA07 0xFA07 #define UDS_DID_ADDID_FA08 0xFA08 #define UDS_DID_ADDID_FA09 0xFA09 #define UDS_DID_ADDID_FA0A 0xFA0A #define UDS_DID_ADDID_FA0B 0xFA0B #define UDS_DID_ADDID_FA0C 0xFA0C #define UDS_DID_ADDID_FA0D 0xFA0D #define UDS_DID_ADDID_FA0E 0xFA0E #define UDS_DID_ADDID_FA0F 0xFA0F #define UDS_DID_NOEDRD 0xFA10 #define UDS_DID_EDRI 0xFA11 #define UDS_DID_EDRDAI 0xFA12 #define UDS_DID_UDSVDID 0xFF00 #define UDS_DID_RESRVDCPADLC 0xFF01 #define UDS_RID_EXSPLRI_ 0xE200 #define UDS_RID_DLRI_ 0xE201 #define UDS_RID_EM_ 0xFF00 #define UDS_RID_CPD_ 0xFF01 #define UDS_RID_FF02 0xFF02 /* * Enums */ /* Services */ static const value_string _uds_services[]= { {OBD_SERVICES_0x01, "OBD - Request Current Powertrain Diagnostic Data"}, {OBD_SERVICES_0x02, "OBD - Request Powertrain Freeze Frame Data"}, {OBD_SERVICES_0x03, "OBD - Request Emission-Related Diagnostic Trouble Codes"}, {OBD_SERVICES_0x04, "OBD - Clear/Reset Emission-Related Diagnostic Information"}, {OBD_SERVICES_0x05, "OBD - Request Oxygen Sensor Monitoring Test Results"}, {OBD_SERVICES_0x06, "OBD - Request On-Board Monitoring Test Results for Specific Monitored Systems"}, {OBD_SERVICES_0x07, "OBD - Request Emission-Related Diagnostic Trouble Codes Detected During Current or Last Completed Driving Cycle"}, {OBD_SERVICES_0x08, "OBD - Request Control of On-Board System, Test or Component"}, {OBD_SERVICES_0x09, "OBD - Request Vehicle Information"}, {OBD_SERVICES_0x0A, "OBD - Request Emission-Related Diagnostic Trouble Codes with Permanent Status"}, {OBD_SERVICES_0x0B, "OBD - Unknown Service"}, {OBD_SERVICES_0x0C, "OBD - Unknown Service"}, {OBD_SERVICES_0x0D, "OBD - Unknown Service"}, {OBD_SERVICES_0x0E, "OBD - Unknown Service"}, {OBD_SERVICES_0x0F, "OBD - Unknown Service"}, {UDS_SERVICES_DSC, "Diagnostic Session Control"}, {UDS_SERVICES_ER, "ECU Reset"}, {UDS_SERVICES_CDTCI, "Clear Diagnostic Information"}, {UDS_SERVICES_RDTCI, "Read DTC Information"}, {UDS_SERVICES_RDBI, "Read Data By Identifier"}, {UDS_SERVICES_RMBA, "Read Memory By Address"}, {UDS_SERVICES_RSDBI, "Read Scaling Data By Identifier"}, {UDS_SERVICES_SA, "Security Access"}, {UDS_SERVICES_CC, "Communication Control"}, {UDS_SERVICES_ARS, "Authentication"}, {UDS_SERVICES_RDBPI, "Read Data By Periodic Identifier"}, {UDS_SERVICES_DDDI, "Dynamically Define Data Identifier"}, {UDS_SERVICES_WDBI, "Write Data By Identifier"}, {UDS_SERVICES_IOCBI, "Input Output Control By Identifier"}, {UDS_SERVICES_RC, "Routine Control"}, {UDS_SERVICES_RD, "Request Download"}, {UDS_SERVICES_RU, "Request Upload"}, {UDS_SERVICES_TD, "Transfer Data"}, {UDS_SERVICES_RTE, "Request Transfer Exit"}, {UDS_SERVICES_RFT, "Request File Transfer"}, {UDS_SERVICES_WMBA, "Write Memory By Address"}, {UDS_SERVICES_TP, "Tester Present"}, {UDS_SERVICES_ERR, "Error"}, {UDS_SERVICES_SDT, "Secured Data Transmission"}, {UDS_SERVICES_CDTCS, "Control DTC Setting"}, {UDS_SERVICES_ROE, "Response On Event"}, {UDS_SERVICES_LC, "Link Control"}, {0, NULL} }; static value_string_ext uds_services_ext = VALUE_STRING_EXT_INIT(_uds_services); /* Response code */ static const value_string _uds_response_codes[]= { {UDS_RESPONSE_CODES_GR, "General reject"}, {UDS_RESPONSE_CODES_SNS, "Service not supported"}, {UDS_RESPONSE_CODES_SFNS, "SubFunction Not Supported"}, {UDS_RESPONSE_CODES_IMLOIF, "Incorrect Message Length or Invalid Format"}, {UDS_RESPONSE_CODES_RTL, "Response too long"}, {UDS_RESPONSE_CODES_BRR, "Busy repeat request"}, {UDS_RESPONSE_CODES_CNC, "Conditions Not Correct"}, {UDS_RESPONSE_CODES_RSE, "Request Sequence Error"}, {UDS_RESPONSE_CODES_NRFSC, "No response from sub-net component"}, {UDS_RESPONSE_CODES_FPEORA, "Failure prevents execution of requested action"}, {UDS_RESPONSE_CODES_ROOR, "Request Out of Range"}, {UDS_RESPONSE_CODES_SAD, "Security Access Denied"}, {UDS_RESPONSE_CODES_AR, "Authentication Required"}, {UDS_RESPONSE_CODES_IK, "Invalid Key"}, {UDS_RESPONSE_CODES_ENOA, "Exceeded Number Of Attempts"}, {UDS_RESPONSE_CODES_RTDNE, "Required Time Delay Not Expired"}, {UDS_RESPONSE_CODES_SDTR, "Secure Data Transmission Required"}, {UDS_RESPONSE_CODES_SDTNA, "Secure Data Transmission Not Allowed"}, {UDS_RESPONSE_CODES_SDTF, "Secure Data Verification Failed"}, {UDS_RESPONSE_CODES_CVFITP, "Certificate Verification Failed: Invalid Time Period"}, {UDS_RESPONSE_CODES_CVFIS, "Certificate Verification Failed: Invalid Signature"}, {UDS_RESPONSE_CODES_CVFICOT, "Certificate Verification Failed: Invalid Chain of Trust"}, {UDS_RESPONSE_CODES_CVFIT, "Certificate Verification Failed: Invalid Type"}, {UDS_RESPONSE_CODES_CVFIF, "Certificate Verification Failed: Invalid Format"}, {UDS_RESPONSE_CODES_CVFIC, "Certificate Verification Failed: Invalid Content"}, {UDS_RESPONSE_CODES_CVFISD, "Certificate Verification Failed: Invalid Scope"}, {UDS_RESPONSE_CODES_CVFICR, "Certificate Verification Failed: Invalid Certificate (revoked)"}, {UDS_RESPONSE_CODES_OVF, "Ownership Verification Failed"}, {UDS_RESPONSE_CODES_CCF, "Challenge Calculation Failed"}, {UDS_RESPONSE_CODES_SARF, "Setting Access Rights Failed"}, {UDS_RESPONSE_CODES_SKCDF, "Session Key Creation/Derivation Failed"}, {UDS_RESPONSE_CODES_CDUF, "Configuration Data Usage Failed"}, {UDS_RESPONSE_CODES_DAF, "DeAuthentication Failed"}, {UDS_RESPONSE_CODES_UDNA, "Upload/Download not accepted"}, {UDS_RESPONSE_CODES_TDS, "Transfer data suspended"}, {UDS_RESPONSE_CODES_GPF, "General Programming Failure"}, {UDS_RESPONSE_CODES_WBSC, "Wrong Block Sequence Counter"}, {UDS_RESPONSE_CODES_RCRRP, "Request correctly received, but response is pending"}, {UDS_RESPONSE_CODES_SFNSIAS, "Subfunction not supported in active session"}, {UDS_RESPONSE_CODES_SNSIAS, "Service not supported in active session"}, {UDS_RESPONSE_CODES_RPMTH, "RPM Too High"}, {UDS_RESPONSE_CODES_RPMTL, "RPM Too Low"}, {UDS_RESPONSE_CODES_EIR, "Engine Is Running"}, {UDS_RESPONSE_CODES_EINR, "Engine Is Not Running"}, {UDS_RESPONSE_CODES_ERTTL, "Run Time Too Low"}, {UDS_RESPONSE_CODES_TEMPTH, "Temperature Too High"}, {UDS_RESPONSE_CODES_TEMPTL, "Temperature Too Low"}, {UDS_RESPONSE_CODES_VSTH, "Vehicle Speed Too High"}, {UDS_RESPONSE_CODES_VSTL, "Vehicle Speed Too Low"}, {UDS_RESPONSE_CODES_TPTH, "Throttle/Pedal Too High"}, {UDS_RESPONSE_CODES_TPTL, "Throttle/Pedal Too Low"}, {UDS_RESPONSE_CODES_TRNIN, "Transmission Range Not In Neutral"}, {UDS_RESPONSE_CODES_TRNIG, "Transmission Range Not In Gear"}, {UDS_RESPONSE_CODES_BSNC, "Brake Switch(es) Not Closed"}, {UDS_RESPONSE_CODES_SLNIP, "Shifter/Lever Not in Park"}, {UDS_RESPONSE_CODES_TCCL, "Torque Converter Clutch Locked"}, {UDS_RESPONSE_CODES_VTH, "Voltage Too High"}, {UDS_RESPONSE_CODES_VTL, "Voltage Too Low"}, {UDS_RESPONSE_CODES_RTNA, "Resource Temporarily Not Available"}, {0, NULL} }; static value_string_ext uds_response_codes_ext = VALUE_STRING_EXT_INIT(_uds_response_codes); /* DSC */ static const value_string uds_dsc_types[] = { {0, "Reserved"}, {UDS_DSC_TYPES_DEFAULT_SESSION, "Default Session"}, {UDS_DSC_TYPES_PROGRAMMING_SESSION, "Programming Session"}, {UDS_DSC_TYPES_EXTENDED_DIAGNOSTIC_SESSION, "Extended Diagnostic Session"}, {UDS_DSC_TYPES_SAFETY_SYSTEM_DIAGNOSTIC_SESSION, "Safety System Diagnostic Session"}, {0, NULL} }; /* ER */ static const value_string uds_er_types[] = { {0, "Reserved"}, {UDS_ER_TYPES_HARD_RESET, "Hard Reset"}, {UDS_ER_TYPES_KEY_OFF_ON_RESET, "Key Off On Reset"}, {UDS_ER_TYPES_SOFT_RESET, "Soft Reset"}, {UDS_ER_TYPES_ENABLE_RAPID_POWER_SHUTDOWN, "Enable Rapid Power Shutdown"}, {UDS_ER_TYPES_DISABLE_RAPID_POWER_SHUTDOWN, "Disable Rapid Power Shutdown"}, {0, NULL} }; /* CDTCI */ static const value_string uds_cdtci_group_of_dtc[] = { {0xffff33, "Emissions-system group"}, {0xffffd0, "Safety-system group"}, {0xfffffe, "VOBD system"}, {0xffffff, "All Groups (all DTCs)"}, {0, NULL} }; /* RDTCI */ static const value_string _uds_rdtci_types[] = { {UDS_RDTCI_TYPES_NUMBER_BY_STATUS_MASK, "Report Number of DTC by Status Mask"}, {UDS_RDTCI_TYPES_BY_STATUS_MASK, "Report DTC by Status Mask"}, {UDS_RDTCI_TYPES_SNAPSHOT_IDENTIFICATION, "Report DTC Snapshot Identification"}, {UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_DTC, "Report DTC Snapshot Record by DTC Number"}, {UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_RECORD, "Report DTC Snapshot Record by Record Number"}, {UDS_RDTCI_TYPES_EXTENDED_RECORD_BY_DTC, "Report DTC Extended Data Record by DTC Number"}, {UDS_RDTCI_TYPES_NUM_DTC_BY_SEVERITY_MASK, "Report Number of DTC By Severity Mask"}, {UDS_RDTCI_TYPES_BY_SEVERITY_MASK, "Report DTC by Severity Mask"}, {UDS_RDTCI_TYPES_SEVERITY_INFO_OF_DTC, "Report Severity Information of DTC"}, {UDS_RDTCI_TYPES_SUPPORTED_DTC, "Report Supported DTC"}, {UDS_RDTCI_TYPES_FIRST_TEST_FAILED_DTC, "Report First Test Failed DTC"}, {UDS_RDTCI_TYPES_FIRST_CONFIRMED_DTC, "Report First Confirmed DTC"}, {UDS_RDTCI_TYPES_MOST_RECENT_TEST_FAILED, "Report Most Recent Test Failed DTC"}, {UDS_RDTCI_TYPES_MOST_RECENT_CONFIRMED_DTC, "Report Most Recent Confirmed DTC"}, {UDS_RDTCI_TYPES_OUTDATED_RMMDTCBSM, "Report Mirror Memory DTC By Status Mask (outdated 2013 revision)"}, {UDS_RDTCI_TYPES_OUTDATED_RMMDEDRBDN, "Report Mirror Memory DTC Ext Data Record by DTC Number (outdated 2013 revision)"}, {UDS_RDTCI_TYPES_OUTDATED_RNOMMDTCBSM, "Report Number of Mirror Memory DTC by Status Mask (outdated 2013 revision)"}, {UDS_RDTCI_TYPES_OUTDATED_RNOOEOBDDTCBSM, "Report Number of Emissions OBD DTC by Status Mask (outdated 2013 revision)"}, {UDS_RDTCI_TYPES_OUTDATED_ROBDDTCBSM, "Report Emissions OBD DTC By Status Mask (outdated 2013 revision)"}, {UDS_RDTCI_TYPES_DTC_FAULT_DETECT_CTR, "Report DTC Fault Detection Counter"}, {UDS_RDTCI_TYPES_DTC_WITH_PERM_STATUS, "Report DTC with Permanent Status"}, {UDS_RDTCI_TYPES_DTC_EXT_DATA_REC_BY_NUM, "Report DTC Extended Data Record by Record Number"}, {UDS_RDTCI_TYPES_USER_MEM_DTC_BY_STATUS_M, "Report User Defined Memory DTC By Status Mask"}, {UDS_RDTCI_TYPES_USER_MEM_DTC_REC_BY_DTC_N, "Report User Defined Memory DTC Snapshot Record By DTC Number"}, {UDS_RDTCI_TYPES_USER_MEM_DTC_EXT_REC_BY_N, "Report User Defined Memory DTC Extended Data Record by DTC Number"}, {UDS_RDTCI_TYPES_SUP_DTC_EXT_RECORD, "Report List of DTCs Supporting Specific Extended Data Record"}, {UDS_RDTCI_TYPES_WWH_OBD_DTC_BY_MASK_REC, "Report WWH-OBD DTC By Mask Record"}, {UDS_RDTCI_TYPES_WWH_OBD_DTC_PERM_STATUS, "Report WWH-OBD DTC With Permanent Status"}, {UDS_RDTCI_TYPES_WWH_OBD_BY_GROUP_READY, "Report WWH-OBD DTC By Readiness Group Identifier"}, {0, NULL} }; static value_string_ext uds_rdtci_types_ext = VALUE_STRING_EXT_INIT(_uds_rdtci_types); static const value_string uds_rdtci_format_id_types[] = { {0x00, "SAE J2012-DA DTC Format 00"}, {0x01, "ISO 14229-1 DTC Format"}, {0x02, "SAE J1939-73 DTC Format"}, {0x03, "ISO 11992-4 DTC Format"}, {0x04, "SAE J2012-DA DTC Format 04"}, {0, NULL} }; /* RSDBI */ static const value_string uds_rsdbi_data_types[] = { {UDS_RSDBI_DATA_TYPE_UNSIGNED_NUM, "Unsigned Numeric"}, {UDS_RSDBI_DATA_TYPE_SIGNED_NUM, "Signed Numeric"}, {UDS_RSDBI_DATA_TYPE_BITMAPPED_REPORTED_WO_MAP, "Bit Mapped Reported Without Mask"}, {UDS_RSDBI_DATA_TYPE_BITMAPPED_REPORTED_WITH_MAP, "Bit Mapped Reported With Mask"}, {UDS_RSDBI_DATA_TYPE_BINARY_CODED_DECIMAL, "Binary Coded Decimal"}, {UDS_RSDBI_DATA_TYPE_STATE_ENCODED_VARIABLE, "State Encoded Variable"}, {UDS_RSDBI_DATA_TYPE_ASCII, "ASCII"}, {UDS_RSDBI_DATA_TYPE_SIGNED_FLOAT, "Signed Floating Point"}, {UDS_RSDBI_DATA_TYPE_PACKET, "Packet"}, {UDS_RSDBI_DATA_TYPE_FORMULA, "Formula"}, {UDS_RSDBI_DATA_TYPE_UNIT_FORMAT, "Unit/Format"}, {UDS_RSDBI_DATA_TYPE_STATE_AND_CONNECTION_TYPE, "State And Connection Type"}, {0, NULL} }; static const value_string uds_rsdbi_formulas[] = { {0, "y = C0 * x + C1"}, {1, "y = C0 * (x + C1)"}, {2, "y = C0 / (x + C1) + C2"}, {3, "y = x / C0 + C1"}, {4, "y = (x + C0) / C1"}, {5, "y = (x + C0) / C1 + C2"}, {6, "y = C0 * x"}, {7, "y = x / C0"}, {8, "y = x + C0"}, {9, "y = x * C0 / C1"}, {0, NULL} }; static const value_string _uds_rsdbi_units[] = { {0x00, "No unit, no prefix"}, {0x01, "Metre [m]"}, {0x02, "Foot [ft]"}, {0x03, "Inch [in]"}, {0x04, "Yard [yd]"}, {0x05, "Mile (English) [mi]"}, {0x06, "Gram [g]"}, {0x07, "Ton (metric) [t]"}, {0x08, "Second [s]"}, {0x09, "Minute [m]"}, {0x0a, "Hour [h]"}, {0x0b, "Day [d]"}, {0x0c, "Year [y]"}, {0x0d, "Ampere [A]"}, {0x0e, "Volt [V]"}, {0x0f, "Coulomb [C]"}, {0x10, "Ohm [W]"}, /* sic! */ {0x11, "Farad [F]"}, {0x12, "Henry [H]"}, {0x13, "Siemens [S]"}, {0x14, "Weber [Wb]"}, {0x15, "Telsa [T]"}, {0x16, "Kelvin [K]"}, {0x17, "Celsius [" UTF8_DEGREE_SIGN "C]"}, {0x18, "Fahrenheit [" UTF8_DEGREE_SIGN "F]"}, {0x19, "Candela [cd]"}, {0x1a, "Radian [rad]"}, {0x1b, "Degree [" UTF8_DEGREE_SIGN "]"}, {0x1c, "Hertz [Hz]"}, {0x1d, "Joule [J]"}, {0x1e, "Newton [N]"}, {0x1f, "Kilopond [kp]"}, {0x20, "Pound force [lbf]"}, {0x21, "Watt [W]"}, {0x22, "Horse power (metric) [hk]"}, {0x23, "Horse power (UK and US) [hp]"}, {0x24, "Pascal [Pa]"}, {0x25, "Bar [bar]"}, {0x26, "Atmosphere [atm]"}, {0x27, "Pound force per square inch [psi]"}, {0x28, "Becqerel [Bq]"}, {0x29, "Lumen [lm]"}, {0x2a, "Lux [lx]"}, {0x2b, "Litre [l]"}, {0x2c, "Gallon (British)"}, {0x2d, "Gallon (US liq)"}, {0x2e, "Cubic inch [cu in]"}, {0x2f, "Meter per second [m/s]"}, {0x30, "Kilometer per hour [km/h]"}, {0x31, "Mile per hour [mph]"}, {0x32, "Revolutions per second [rps]"}, {0x33, "Revolutions per minute [rpm]"}, {0x34, "Counts"}, {0x35, "Percent"}, {0x36, "Milligram per stroke [mg/stroke]"}, {0x37, "Meter per square second [m/s" UTF8_SUPERSCRIPT_TWO "]"}, {0x38, "Newton meter [Nm]"}, {0x39, "Litre per minute [l/min]"}, {0x3a, "Watt per square meter [w/m" UTF8_SUPERSCRIPT_TWO "]"}, {0x3b, "Bar per second [bar/s]"}, {0x3c, "Radians per second [rad/s]"}, {0x3d, "Radians per square second [rad/s" UTF8_SUPERSCRIPT_TWO "]"}, {0x3e, "Kilogram per square meter [kg/m" UTF8_SUPERSCRIPT_TWO "]"}, {0x3f, "*reserved*"}, {0x40, "Exa (prefix) [E]"}, {0x41, "Peta (prefix) [P]"}, {0x42, "Tera (prefix) [T]"}, {0x43, "Giga (prefix) [G]"}, {0x44, "Mega (prefix) [M]"}, {0x45, "Kilo (prefix) [k]"}, {0x46, "Hecto (prefix) [h]"}, {0x47, "Deca (prefix) [da]"}, {0x48, "Deci (prefix) [d]"}, {0x49, "Centi (prefix) [c]"}, {0x4a, "Milli (prefix) [m]"}, {0x4b, "Micro (prefix) [m]"}, /* SIC! */ {0x4c, "Nano (prefix) [n]"}, {0x4d, "Pico (prefix) [p]"}, {0x4e, "Femto (prefix) [f]"}, {0x4f, "Atto (prefix) [a]"}, {0x50, "Date1 (Year-Month-Day)"}, {0x51, "Date2 (Day/Month/Year)"}, {0x52, "Date3 (Month/Day/Year)"}, {0x53, "Week (calender week)"}, {0x54, "Time1 (UTC Hour/Minute/Second)"}, {0x55, "Time2 (Hour/Minute/Second)"}, {0x56, "DateAndTime1 (Second/Minute/Hour/Day/Month/Year)"}, {0x57, "DateAndTime2 (Second/Minute/Hour/Day/Month/Year/Local minute offset/Local hour offset)"}, {0x58, "DateAndTime3 (Second/Minute/Hour/Month/Day/Year)"}, {0x59, "DateAndTime4 (Second/Minute/Hour/Month/Day/Year/Local minute offset/Local hour offset)"}, {0, NULL} }; static value_string_ext uds_rsdbi_units_ext = VALUE_STRING_EXT_INIT(_uds_rsdbi_units); /* CC */ static const value_string uds_cc_types[] = { {UDS_CC_TYPES_ENABLE_RX_AND_TX, "Enable RX and TX"}, {UDS_CC_TYPES_ENABLE_RX_AND_DISABLE_TX, "Enable RX and Disable TX"}, {UDS_CC_TYPES_DISABLE_RX_AND_ENABLE_TX, "Disable RX and Enable TX"}, {UDS_CC_TYPES_DISABLE_RX_AND_TX, "Disable RX and TX"}, {UDS_CC_TYPES_ENABLE_RX_AND_DISABLE_TX_WITH_ENH_ADDR_INFO, "Enable RX and Disable TX with Enhanced Address Information"}, {UDS_CC_TYPES_ENABLE_RX_AND_TX_WITH_ENH_ADDR_INFO, "Enable RX and TX with Enhanced Address Information"}, {0, NULL} }; static const value_string uds_cc_comm_types[] = { {0, "Reserved"}, {1, "Normal Communication Messages"}, {2, "Network Management Communication Messages"}, {3, "Network Management and Normal Communication Messages"}, {0, NULL} }; static const value_string uds_cc_subnet_number_types[] = { {0x0, "Disable/Enable specified Communication Type "}, /* 0x1 .. 0xe specific subnets numbers */ {0xf, "Disable/Enable network which request is received on"}, {0, NULL} }; /* ARS */ static const value_string uds_ars_types[] = { {UDS_ARS_TYPES_DEAUTHENTICATE, "DeAuthenticate"}, {UDS_ARS_TYPES_VERIFY_CERT_UNIDIRECTIONAL, "Verify Certificate Unidirectional"}, {UDS_ARS_TYPES_VERIFY_CERT_BIDIRECTIONAL, "Verify Certificate Bidirectional"}, {UDS_ARS_TYPES_PROOF_OF_OWNERSHIP, "Proof of Ownership"}, {UDS_ARS_TYPES_TRANSMIT_CERTIFICATE, "Transmit Certificate"}, {UDS_ARS_TYPES_REQUEST_CHALLENGE_FOR_AUTH, "Request Challenge for Authentication"}, {UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_UNIDIR, "Verify Proof of Ownership Unidirectional"}, {UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_BIDIR, "Verify Proof of Ownership Bidirectional"}, {UDS_ARS_TYPES_AUTH_CONFIGURATION, "Authentication Configuration"}, {0, NULL} }; static const value_string uds_ars_auth_ret_types[] = { {UDS_ARS_AUTH_RET_REQUEST_ACCEPTED, "Request Accepted"}, {UDS_ARS_AUTH_RET_GENERAL_REJECT, "General Reject"}, {UDS_ARS_AUTH_RET_AUTH_CONFIG_APCE, "Authentication Configuration APCE"}, {UDS_ARS_AUTH_RET_AUTH_CONFIG_ACR_SYM, "Authentication Configuration ACR with asymmetric cryptography"}, {UDS_ARS_AUTH_RET_AUTH_CONFIG_ACR_ASYM, "Authentication Configuration ACR with symmetric cryptography"}, {UDS_ARS_AUTH_RET_DEAUTH_SUCCESS, "DeAuthentication successful "}, {UDS_ARS_AUTH_RET_CERT_VER_OWN_VER_NEC, "Certificate Verified, Ownership Verification Necessary"}, {UDS_ARS_AUTH_RET_OWN_VER_AUTH_COMPL, "Ownership Verified, Authentication Complete "}, {UDS_ARS_AUTH_RET_CERT_VERIFIED, "Certificate Verified"}, {0, NULL} }; /* RDBPI */ static const value_string uds_rdbpi_transmission_mode[] = { {0, "Reserved"}, {1, "Send at Slow Rate"}, {2, "Send at Medium Rate"}, {3, "Send at Fast Rate"}, {4, "Stop Sending"}, {0, NULL} }; /* DDDI */ static const value_string uds_dddi_types[] = { {UDS_DDDI_TYPES_DEFINE_BY_IDENTIFIER, "Define by Identifier"}, {UDS_DDDI_TYPES_DEFINE_BY_MEM_ADDRESS, "Define by Memory Address"}, {UDS_DDDI_TYPES_CLEAR_DYN_DEF_DATA_ID, "Clear Dynamically Defined Data Identifier"}, {0, NULL} }; /* IOCBI */ static const value_string uds_iocbi_parameters[] = { {UDS_IOCBI_PARAMETERS_RETURN_CONTROL_TO_ECU, "Return Control To ECU"}, {UDS_IOCBI_PARAMETERS_RESET_TO_DEFAULT, "Reset To Default"}, {UDS_IOCBI_PARAMETERS_FREEZE_CURRENT_STATE, "Freeze Current State"}, {UDS_IOCBI_PARAMETERS_SHORT_TERM_ADJUSTMENT, "Short Term Adjustment"}, {0, NULL} }; /* RC */ static const value_string uds_rc_types[] = { {0, "Reserved"}, {UDS_RC_TYPES_START, "Start routine"}, {UDS_RC_TYPES_STOP, "Stop routine"}, {UDS_RC_TYPES_REQUEST, "Request routine result"}, {0, NULL} }; /* RFT */ static const value_string uds_rft_mode_types[] = { {0, "Reserved"}, {UDS_RFT_MODE_ADD_FILE, "Add File"}, {UDS_RFT_MODE_DELETE_FILE, "Delete File"}, {UDS_RFT_MODE_REPLACE_FILE, "Replace File"}, {UDS_RFT_MODE_READ_FILE, "Read File"}, {UDS_RFT_MODE_READ_DIR, "Read Dir"}, {UDS_RFT_MODE_RESUME_FILE, "Resume File"}, {0, NULL} }; /* CDTCS */ static const value_string uds_cdtcs_types[] = { {0, "Reserved"}, {UDS_CDTCS_ACTIONS_ON, "On"}, {UDS_CDTCS_ACTIONS_OFF, "Off"}, {0, NULL} }; /* LC */ static const value_string uds_lc_types[] = { {0x00, "Reserved"}, {UDS_LC_TYPES_VMTWFP, "Verify Mode Transition with fixed Parameter"}, {UDS_LC_TYPES_VMTWSP, "Verify Mode Transition with specific Parameter"}, {UDS_LC_TYPES_TM, "Transition Mode"}, {0, NULL} }; static const value_string uds_lc_lcmi_types[] = { {0x00, "Reserved"}, {0x01, "PC9600Baud"}, {0x02, "PC19200Baud"}, {0x03, "PC38400Baud"}, {0x04, "PC57600Baud"}, {0x05, "PC115200Baud"}, {0x10, "CAN125000Baud"}, {0x11, "CAN250000Baud"}, {0x12, "CAN500000Baud"}, {0x13, "CAN1000000Baud"}, {0x20, "ProgrammingSetup"}, {0, NULL} }; /* DIDS */ static const value_string _uds_standard_did_types[] = { {UDS_DID_BSIDID, "BootSoftwareIdentificationDataIdentifier"}, {UDS_DID_ASIDID, "applicationSoftwareIdentificationDataIdentifier"}, {UDS_DID_ADIDID, "applicationDataIdentificationDataIdentifier"}, {UDS_DID_BSFPDID, "bootSoftwareFingerprintDataIdentifier"}, {UDS_DID_ASFPDID, "applicationSoftwareFingerprintDataIdentifier"}, {UDS_DID_ADFPDID, "applicationDataFingerprintDataIdentifier"}, {UDS_DID_ADSDID, "ActiveDiagnosticSessionDataIdentifier"}, {UDS_DID_VMSPNDID, "vehicleManufacturerSparePartNumberDataIdentifier"}, {UDS_DID_VMECUSNDID, "vehicleManufacturerECUSoftwareNumberDataIdentifier"}, {UDS_DID_VMECUSVNDID, "vehicleManufacturerECUSoftwareVersionNumberDataIdentifier"}, {UDS_DID_SSIDDID, "systemSupplierIdentifierDataIdentifier"}, {UDS_DID_ECUMDDID, "ECUManufacturingDateDataIdentifier (year/month/day)"}, {UDS_DID_ECUSNDID, "ECUSerialNumberDataIdentifier"}, {UDS_DID_SFUDID, "supportedFunctionalUnitsDataIdentifier"}, {UDS_DID_VMKAPNDID, "VehicleManufacturerKitAssemblyPartNumberDataIdentifier"}, {UDS_DID_RXSWIN, "RegulationXSoftwareIdentificationNumbers (RxSWIN)"}, {UDS_DID_VINDID, "VINDataIdentifier"}, {UDS_DID_VMECUHNDID, "vehicleManufacturerECUHardwareNumberDataIdentifier"}, {UDS_DID_SSECUHWNDID, "systemSupplierECUHardwareNumberDataIdentifier"}, {UDS_DID_SSECUHWVNDID, "systemSupplierECUHardwareVersionNumberDataIdentifier"}, {UDS_DID_SSECUSWNDID, "systemSupplierECUSoftwareNumberDataIdentifier"}, {UDS_DID_SSECUSWVNDID, "systemSupplierECUSoftwareVersionNumberDataIdentifier"}, {UDS_DID_EROTANDID, "exhaustRegulationOrTypeApprovalNumberDataIdentifier"}, {UDS_DID_SNOETDID, "systemNameOrEngineTypeDataIdentifier"}, {UDS_DID_RSCOTSNDID, "repairShopCodeOrTesterSerialNumberDataIdentifier"}, {UDS_DID_PDDID, "programmingDateDataIdentifier (year/month/day)"}, {UDS_DID_CRSCOCESNDID, "calibrationRepairShopCodeOrCalibrationEquipmentSerialNumberDataIdentifier"}, {UDS_DID_CDDID, "calibrationDateDataIdentifier (year/month/day)"}, {UDS_DID_CESWNDID, "calibrationEquipmentSoftwareNumberDataIdentifier"}, {UDS_DID_EIDDID, "ECUInstallationDateDataIdentifier (year/month/day)"}, {UDS_DID_ODXFDID, "ODXFileDataIdentifier"}, {UDS_DID_EDID, "EntityDataIdentifier"}, {UDS_DID_ADDID_FA00, "AirbagDeployment: Number of PCUs (ISO 26021-2)"}, {UDS_DID_ADDID_FA01, "AirbagDeployment: Deployment Method Version (ISO 26021-2)"}, {UDS_DID_ADDID_FA02, "AirbagDeployment: Address Information of PCU (ISO 26021-2)"}, {UDS_DID_ADDID_FA03, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA04, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA05, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA06, "AirbagDeployment: Deployment Loop Table of PCU (ISO 26021-2)"}, {UDS_DID_ADDID_FA07, "AirbagDeployment: Dismantler Info (ISO 26021-2)"}, {UDS_DID_ADDID_FA08, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA09, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0A, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0B, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0C, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0D, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0E, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_ADDID_FA0F, "AirbagDeployment (ISO 26021-2)"}, {UDS_DID_NOEDRD, "NumberOfEDRDevices"}, {UDS_DID_EDRI, "EDRIdentification"}, {UDS_DID_EDRDAI, "EDRDeviceAddressInformation"}, {UDS_DID_UDSVDID, "UDSVersionDataIdentifier"}, {UDS_DID_RESRVDCPADLC, "ReservedForISO15765-5 (CAN, CAN-FD, CAN+CAN-FD, ...)"}, {0, NULL} }; static value_string_ext uds_standard_did_types_ext = VALUE_STRING_EXT_INIT(_uds_standard_did_types); /* ReservedForISO15765 */ static const value_string uds_did_resrvdcpadlc_types[] = { {0, "CAN Classic Only"}, {1, "CAN FD only"}, {2, "CAN Classic and CAN FD"}, {0, NULL} }; /* RIDS */ static const value_string uds_standard_rid_types[] = { {UDS_RID_EXSPLRI_, "Execute SPL"}, {UDS_RID_DLRI_, "DeployLoopRoutineID"}, {UDS_RID_EM_, "eraseMemory"}, {UDS_RID_CPD_, "checkProgrammingDependencies"}, {UDS_RID_FF02, "eraseMirrorMemoryDTCs (deprecated)"}, {0, NULL} }; /* DTCS */ static const value_string uds_standard_dtc_types[] = { /* TODO: Add DTCs! */ {0, NULL} }; /* * Fields */ static int hf_uds_diag_addr; static int hf_uds_diag_addr_name; static int hf_uds_diag_source_addr; static int hf_uds_diag_source_addr_name; static int hf_uds_diag_target_addr; static int hf_uds_diag_target_addr_name; static int hf_uds_service; static int hf_uds_reply; static int hf_uds_subfunction; static int hf_uds_suppress_pos_rsp_msg_ind; static int hf_uds_data_record; static int hf_uds_compression_method; static int hf_uds_encrypting_method; static int hf_uds_memory_size_length; static int hf_uds_memory_address_length; static int hf_uds_memory_address; static int hf_uds_memory_size; static int hf_uds_max_block_len_len; static int hf_uds_max_block_len; static int hf_uds_dsc_subfunction; static int hf_uds_dsc_suppress_pos_rsp_msg_ind; static int hf_uds_dsc_parameter_record; static int hf_uds_dsc_default_p2_server_timer; static int hf_uds_dsc_enhanced_p2_server_timer; static int hf_uds_er_subfunction; static int hf_uds_er_power_down_time; static int hf_uds_cdtci_group_of_dtc; static int hf_uds_cdtci_memory_selection; static int hf_uds_rdtci_subfunction; static int hf_uds_rdtci_dtc_status_mask; static int hf_uds_rdtci_dtc_status_mask_tf; static int hf_uds_rdtci_dtc_status_mask_tftoc; static int hf_uds_rdtci_dtc_status_mask_pdtc; static int hf_uds_rdtci_dtc_status_mask_cdtc; static int hf_uds_rdtci_dtc_status_mask_tncslc; static int hf_uds_rdtci_dtc_status_mask_tfslc; static int hf_uds_rdtci_dtc_status_mask_tnctoc; static int hf_uds_rdtci_dtc_status_mask_wir; static int hf_uds_rdtci_dtc_mask_record; static int hf_uds_rdtci_dtc_snapshot_rec_no; static int hf_uds_rdtci_dtc_stored_data_rec_no; static int hf_uds_rdtci_dtc_ext_data_rec_no; static int hf_uds_rdtci_memory_selection; static int hf_uds_rdtci_user_def_dtc_snapshot_rec_no; static int hf_uds_rdtci_dtc_severity_mask; static int hf_uds_rdtci_functional_group_id; static int hf_uds_rdtci_dtc_readiness_group_id; static int hf_uds_rdtci_dtc_status_avail; static int hf_uds_rdtci_dtc_status_avail_tf; static int hf_uds_rdtci_dtc_status_avail_tftoc; static int hf_uds_rdtci_dtc_status_avail_pdtc; static int hf_uds_rdtci_dtc_status_avail_cdtc; static int hf_uds_rdtci_dtc_status_avail_tncslc; static int hf_uds_rdtci_dtc_status_avail_tfslc; static int hf_uds_rdtci_dtc_status_avail_tnctoc; static int hf_uds_rdtci_dtc_status_avail_wir; static int hf_uds_rdtci_dtc_id; static int hf_uds_rdtci_dtc_status; static int hf_uds_rdtci_dtc_status_tf; static int hf_uds_rdtci_dtc_status_tftoc; static int hf_uds_rdtci_dtc_status_pdtc; static int hf_uds_rdtci_dtc_status_cdtc; static int hf_uds_rdtci_dtc_status_tncslc; static int hf_uds_rdtci_dtc_status_tfslc; static int hf_uds_rdtci_dtc_status_tnctoc; static int hf_uds_rdtci_dtc_status_wir; static int hf_uds_rdtci_dtc_format_id; static int hf_uds_rdtci_dtc_count; static int hf_uds_rdtci_dtc_snapshot_record_number_of_ids; static int hf_uds_rdtci_dtc_stored_data_record_number_of_ids; static int hf_uds_rdtci_dtc_severity; static int hf_uds_rdtci_dtc_functional_unit; static int hf_uds_rdtci_dtc_fault_detect_counter; static int hf_uds_rdtci_dtc_severity_avail; static int hf_uds_rdtci_record; static int hf_uds_rdtci_record_unparsed; static int hf_uds_rdbi_data_identifier; static int hf_uds_rsdbi_data_identifier; static int hf_uds_rsdbi_scaling_byte; static int hf_uds_rsdbi_scaling_byte_data_type; static int hf_uds_rsdbi_scaling_byte_num_of_bytes; static int hf_uds_rsdbi_validity_mask; static int hf_uds_rsdbi_formula_identifier; static int hf_uds_rsdbi_formula_constant; static int hf_uds_rsdbi_formula_constant_exp; static int hf_uds_rsdbi_formula_constant_mantissa; static int hf_uds_rsdbi_unit; static int hf_uds_sa_subfunction; static int hf_uds_sa_key; static int hf_uds_sa_seed; static int hf_uds_cc_subfunction_no_suppress; static int hf_uds_cc_comm_type_and_subnet_number; static int hf_uds_cc_communication_type; static int hf_uds_cc_subnet_number; static int hf_uds_cc_node_identifier_number; static int hf_uds_ars_subfunction_no_suppress; static int hf_uds_ars_comm_config; static int hf_uds_ars_length_of_cert_client; static int hf_uds_ars_cert_client; static int hf_uds_ars_length_of_cert_server; static int hf_uds_ars_cert_server; static int hf_uds_ars_length_of_challenge_client; static int hf_uds_ars_challenge_client; static int hf_uds_ars_length_of_challenge_server; static int hf_uds_ars_challenge_server; static int hf_uds_ars_length_of_proof_of_ownership_client; static int hf_uds_ars_proof_of_ownership_client; static int hf_uds_ars_length_of_proof_of_ownership_server; static int hf_uds_ars_proof_of_ownership_server; static int hf_uds_ars_length_of_ephemeral_public_key_client; static int hf_uds_ars_ephemeral_public_key_client; static int hf_uds_ars_length_of_ephemeral_public_key_server; static int hf_uds_ars_ephemeral_public_key_server; static int hf_uds_ars_cert_eval_id; static int hf_uds_ars_length_of_cert_data; static int hf_uds_ars_cert_data; static int hf_uds_ars_algo_indicator; static int hf_uds_ars_length_of_additional_parameter; static int hf_uds_ars_additional_parameter; static int hf_uds_ars_length_of_needed_additional_parameter; static int hf_uds_ars_needed_additional_parameter; static int hf_uds_ars_auth_ret_param; static int hf_uds_ars_length_of_session_key_info; static int hf_uds_ars_session_key_info; static int hf_uds_signedCertificate; static int hf_uds_rdbpi_transmission_mode; static int hf_uds_rdbpi_periodic_data_identifier; static int hf_uds_dddi_subfunction_no_suppress; static int hf_uds_dddi_dyn_defined_data_identifier; static int hf_uds_dddi_source_data_identifier; static int hf_uds_dddi_position_in_source_data_record; static int hf_uds_dddi_memory_size; static int hf_uds_wdbi_data_identifier; static int hf_uds_iocbi_data_identifier; static int hf_uds_iocbi_parameter; static int hf_uds_iocbi_state; static int hf_uds_rc_subfunction; static int hf_uds_rc_identifier; static int hf_uds_rc_option_record; static int hf_uds_rc_info; static int hf_uds_rc_status_record; static int hf_uds_td_sequence_counter; static int hf_uds_td_record_data; static int hf_uds_rte_record_data; static int hf_uds_rft_mode_of_operation; static int hf_uds_rft_length_of_file_path_and_name; static int hf_uds_rft_file_path_and_name; static int hf_uds_rft_file_size_param_length; static int hf_uds_rft_file_size_uncompressed; static int hf_uds_rft_file_size_compressed; static int hf_uds_rft_length_format_identifier; static int hf_uds_rft_max_num_of_block_length; static int hf_uds_rft_file_size_or_dir_info_param_length; static int hf_uds_rft_file_size_uncompressed_or_dir_info_length; static int hf_uds_rft_file_position; static int hf_uds_tp_subfunction_no_suppress; static int hf_uds_err_sid; static int hf_uds_err_code; static int hf_uds_sdt_administrative_param; static int hf_uds_sdt_administrative_param_req; static int hf_uds_sdt_administrative_param_pre_estab_key; static int hf_uds_sdt_administrative_param_encrypted; static int hf_uds_sdt_administrative_param_signed; static int hf_uds_sdt_administrative_param_resp_sign_req; static int hf_uds_sdt_signature_encryption_calculation; static int hf_uds_sdt_signature_length; static int hf_uds_sdt_anti_replay_counter; static int hf_uds_sdt_encapsulated_message; static int hf_uds_sdt_encapsulated_message_sid; static int hf_uds_sdt_encapsulated_message_sid_reply; static int hf_uds_sdt_signature_mac; static int hf_uds_cdtcs_subfunction; static int hf_uds_cdtcs_subfunction_no_suppress; static int hf_uds_cdtcs_subfunction_pos_rsp_msg_ind; static int hf_uds_cdtcs_option_record; static int hf_uds_cdtcs_type; static int hf_uds_lc_subfunction; static int hf_uds_lc_subfunction_no_suppress; static int hf_uds_lc_subfunction_pos_rsp_msg_ind; static int hf_uds_lc_control_mode_id; static int hf_uds_lc_link_record; static int hf_uds_did_reply_f186_diag_session; static int hf_uds_did_reply_f190_vin; static int hf_uds_did_reply_ff00_version; static int hf_uds_did_reply_ff01_dlc_support; static int hf_uds_unparsed_bytes; /* * Trees */ static int ett_uds; static int ett_uds_subfunction; static int ett_uds_dtc_status_entry; static int ett_uds_dtc_status_bits; static int ett_uds_dtc_snapshot_entry; static int ett_uds_dtc_counter_entry; static int ett_uds_dsc_parameter_record; static int ett_uds_rsdbi_scaling_byte; static int ett_uds_rsdbi_formula_constant; static int ett_uds_cc_communication_type; static int ett_uds_ars_certificate; static int ett_uds_ars_algo_indicator; static int ett_uds_dddi_entry; static int ett_uds_sdt_admin_param; static int ett_uds_sdt_encap_message; static int proto_uds; static dissector_handle_t uds_handle; static dissector_handle_t uds_handle_doip; static dissector_handle_t uds_handle_hsfz; static dissector_handle_t uds_handle_iso10681; static dissector_handle_t uds_handle_iso15765; static dissector_handle_t obd_ii_handle; /*** Subdissectors ***/ static heur_dissector_list_t heur_subdissector_list; static heur_dtbl_entry_t *heur_dtbl_entry; /*** Configuration ***/ enum certificate_decoding_strategies { cert_parsing_off = -1, ber_cert_single_false = 0, ber_cert_single_true = 1, ber_cert_multi_false = 2, ber_cert_multi_true = 3, }; static const enum_val_t certificate_decoding_vals[] = { {"0", "BER Certificate w/o implicit tag", ber_cert_single_false}, {"1", "BER Certificate w implicit tag", ber_cert_single_true}, {"2", "BER Certificates w/o implicit tag", ber_cert_multi_false}, {"3", "BER Certificates w implicit tag", ber_cert_multi_true}, {"off", "Do not parse", cert_parsing_off}, {NULL, NULL, -1} }; static int uds_certificate_decoding_config = (int)cert_parsing_off; static bool uds_dissect_small_sids_with_obd_ii = true; static bool uds_clear_info_col = false; typedef struct _address_string { unsigned address; char *name; } address_string_t; static void * copy_address_string_cb(void *n, const void *o, size_t size _U_) { address_string_t *new_rec = (address_string_t *)n; const address_string_t *old_rec = (const address_string_t *)o; new_rec->name = g_strdup(old_rec->name); new_rec->address = old_rec->address; return new_rec; } static bool update_address_string_cb(void *r, char **err) { address_string_t *rec = (address_string_t *)r; if (rec->name == NULL || rec->name[0] == 0) { *err = g_strdup("Name cannot be empty"); return false; } return true; } static void free_address_string_cb(void *r) { address_string_t *rec = (address_string_t *)r; /* freeing result of g_strdup */ g_free(rec->name); rec->name = NULL; } static void post_update_address_string_cb(address_string_t *data, unsigned data_num, GHashTable *ht) { unsigned i; int64_t *key = NULL; if (ht == NULL) { return; } for (i = 0; i < data_num; i++) { key = wmem_new(wmem_epan_scope(), int64_t); *key = data[i].address; g_hash_table_insert(ht, key, g_strdup(data[i].name)); } } typedef struct _generic_addr_id_string { uint32_t address; uint32_t id; char *name; } generic_addr_id_string_t; static void * copy_generic_one_id_string_cb(void *n, const void *o, size_t size _U_) { generic_addr_id_string_t *new_rec = (generic_addr_id_string_t *)n; const generic_addr_id_string_t *old_rec = (const generic_addr_id_string_t *)o; new_rec->name = g_strdup(old_rec->name); new_rec->id = old_rec->id; new_rec->address = old_rec->address; return new_rec; } static bool update_generic_addr_16bit_id_var(void *r, char **err, uint32_t limit) { generic_addr_id_string_t *rec = (generic_addr_id_string_t *)r; if (rec->id > limit) { *err = ws_strdup_printf("We currently only support identifiers <= %x (Addr: %x ID: %i Name: %s)", limit, rec->address, rec->id, rec->name); return false; } if (rec->address > 0xffff && rec->address != UINT32_MAX) { *err = ws_strdup_printf("We currently only support 16 bit addresses with 0xffffffff = \"don't care\" (Addr: %x ID: %i Name: %s)", rec->address, rec->id, rec->name); return false; } if (rec->name == NULL || rec->name[0] == 0) { *err = g_strdup("Name cannot be empty"); return false; } return true; } static bool update_generic_addr_16bit_id_16bit(void *r, char **err) { return update_generic_addr_16bit_id_var(r, err, 0xffff); } static bool update_generic_addr_16bit_id_24bit(void *r, char **err) { return update_generic_addr_16bit_id_var(r, err, 0xffffff); } static void free_generic_one_id_string_cb(void *r) { generic_addr_id_string_t *rec = (generic_addr_id_string_t *)r; /* freeing result of g_strdup */ g_free(rec->name); rec->name = NULL; } static int64_t calc_key(uint32_t addr, uint32_t id) { return ((int64_t)id << 32) | (int64_t)addr; } static void post_update_one_id_string_template_cb(generic_addr_id_string_t *data, unsigned data_num, GHashTable *ht) { unsigned i; int64_t *key = NULL; for (i = 0; i < data_num; i++) { key = wmem_new(wmem_epan_scope(), int64_t); *key = calc_key(data[i].address, data[i].id); g_hash_table_insert(ht, key, g_strdup(data[i].name)); } } static char * generic_lookup_addr_id(uint32_t addr, uint32_t id, GHashTable *ht) { char *ret = NULL; uint64_t tmp = calc_key(addr, id); if (ht == NULL) { return NULL; } ret = (char *)g_hash_table_lookup(ht, &tmp); if (ret == NULL) { tmp = calc_key(UINT32_MAX, id); return (char *)g_hash_table_lookup(ht, &tmp); } return ret; } static void simple_free_key(void *key) { wmem_free(wmem_epan_scope(), key); } static void simple_free(void *data) { /* we need to free because of the g_strdup in post_update*/ g_free(data); } /* Routine IDs */ static generic_addr_id_string_t *uds_uat_routine_ids; static unsigned uds_uat_routine_id_num; static GHashTable *uds_ht_routine_ids; UAT_HEX_CB_DEF(uds_uat_routine_ids, address, generic_addr_id_string_t) UAT_HEX_CB_DEF(uds_uat_routine_ids, id, generic_addr_id_string_t) UAT_CSTRING_CB_DEF(uds_uat_routine_ids, name, generic_addr_id_string_t) static void post_update_uds_routine_cb(void) { /* destroy old hash table, if it exists */ if (uds_ht_routine_ids) { g_hash_table_destroy(uds_ht_routine_ids); } /* create new hash table */ uds_ht_routine_ids = g_hash_table_new_full(g_int64_hash, g_int64_equal, &simple_free_key, &simple_free); post_update_one_id_string_template_cb(uds_uat_routine_ids, uds_uat_routine_id_num, uds_ht_routine_ids); } static const char * uds_lookup_routine_name(uint32_t addr, uint16_t id) { const char *tmp = generic_lookup_addr_id(addr, id, uds_ht_routine_ids); if (tmp == NULL) { tmp = try_val_to_str(id, uds_standard_rid_types); } return tmp; } static void protoitem_append_routine_name(proto_item *ti, uint32_t addr, uint16_t data_identifier) { const char *routine_name = uds_lookup_routine_name(addr, data_identifier); if (routine_name != NULL) { proto_item_append_text(ti, " (%s)", routine_name); } } static void infocol_append_routine_name(packet_info *pinfo, uint32_t addr, uint16_t routine_identifier) { const char *routine_name = uds_lookup_routine_name(addr, routine_identifier); if (routine_name != NULL) { col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", routine_name); } } /* Data IDs */ static generic_addr_id_string_t *uds_uat_data_ids; static unsigned uds_uat_data_id_num; static GHashTable *uds_ht_data_ids; UAT_HEX_CB_DEF(uds_uat_data_ids, address, generic_addr_id_string_t) UAT_HEX_CB_DEF(uds_uat_data_ids, id, generic_addr_id_string_t) UAT_CSTRING_CB_DEF(uds_uat_data_ids, name, generic_addr_id_string_t) static void post_update_uds_data_cb(void) { /* destroy old hash table, if it exists */ if (uds_ht_data_ids) { g_hash_table_destroy(uds_ht_data_ids); } /* create new hash table */ uds_ht_data_ids = g_hash_table_new_full(g_int64_hash, g_int64_equal, &simple_free_key, &simple_free); post_update_one_id_string_template_cb(uds_uat_data_ids, uds_uat_data_id_num, uds_ht_data_ids); } static const char * uds_lookup_data_name(uint32_t addr, uint16_t id) { const char *tmp = generic_lookup_addr_id(addr, id, uds_ht_data_ids); if (tmp == NULL) { tmp = try_val_to_str_ext(id, &uds_standard_did_types_ext); } return tmp; } static void protoitem_append_data_name(proto_item *ti, uint32_t addr, uint16_t data_identifier) { const char *data_name = uds_lookup_data_name(addr, data_identifier); if (data_name != NULL) { proto_item_append_text(ti, " (%s)", data_name); } } static void infocol_append_data_name(packet_info *pinfo, uint32_t addr, uint16_t data_identifier) { const char *data_name = uds_lookup_data_name(addr, data_identifier); if (data_name != NULL) { col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", data_name); } } /* DTC IDs */ static generic_addr_id_string_t *uds_uat_dtc_ids; static unsigned uds_uat_dtc_id_num; static GHashTable *uds_ht_dtc_ids; UAT_HEX_CB_DEF(uds_uat_dtc_ids, address, generic_addr_id_string_t) UAT_HEX_CB_DEF(uds_uat_dtc_ids, id, generic_addr_id_string_t) UAT_CSTRING_CB_DEF(uds_uat_dtc_ids, name, generic_addr_id_string_t) static void post_update_uds_dtc_cb(void) { /* destroy old hash table, if it exists */ if (uds_ht_dtc_ids) { g_hash_table_destroy(uds_ht_dtc_ids); } /* create new hash table */ uds_ht_dtc_ids = g_hash_table_new_full(g_int64_hash, g_int64_equal, &simple_free_key, &simple_free); post_update_one_id_string_template_cb(uds_uat_dtc_ids, uds_uat_dtc_id_num, uds_ht_dtc_ids); } static const char * uds_lookup_dtc_name(uint32_t addr, uint32_t id) { const char *tmp = generic_lookup_addr_id(addr, id, uds_ht_dtc_ids); if (tmp == NULL) { tmp = try_val_to_str(id, uds_standard_dtc_types); } return tmp; } static void protoitem_append_dtc_name(proto_item *ti, uint32_t addr, uint32_t dtc_id) { const char *dtc_name = uds_lookup_dtc_name(addr, dtc_id); if (dtc_name != NULL) { proto_item_append_text(ti, " (%s)", dtc_name); } } /* Addresses */ static address_string_t *uds_uat_addresses; static unsigned uds_uat_addresses_num; static GHashTable *uds_ht_addresses; UAT_HEX_CB_DEF(uds_uat_addresses, address, address_string_t) UAT_CSTRING_CB_DEF(uds_uat_addresses, name, address_string_t) static void post_update_uds_address_cb(void) { /* destroy old hash table, if it exists */ if (uds_ht_addresses) { g_hash_table_destroy(uds_ht_addresses); } /* create new hash table */ uds_ht_addresses = g_hash_table_new_full(g_int64_hash, g_int64_equal, &simple_free_key, &simple_free); post_update_address_string_cb(uds_uat_addresses, uds_uat_addresses_num, uds_ht_addresses); } static char * uds_lookup_address_name(uint32_t addr) { char *ret = NULL; int64_t tmp = (int64_t)addr; if (uds_ht_addresses == NULL) { return NULL; } ret = (char *)g_hash_table_lookup(uds_ht_addresses, &tmp); return ret; } static void uds_proto_item_append_address_name(proto_item *ti, uint32_t addr) { char *address_name = uds_lookup_address_name(addr); if (address_name != NULL) { proto_item_append_text(ti, " (%s)", address_name); } } static proto_item * uds_proto_tree_add_address_item(proto_tree *tree, int hf, tvbuff_t *tvb, const int offset, const int size, unsigned addr, bool generated, bool hidden) { proto_item *ti; ti = proto_tree_add_uint(tree, hf, tvb, offset, size, addr); uds_proto_item_append_address_name(ti, addr); if (generated) { proto_item_set_generated(ti); } if (hidden) { proto_item_set_hidden(ti); } return ti; } static proto_item * uds_proto_tree_add_address_name(proto_tree *tree, int hf, tvbuff_t *tvb, const int offset, const int size, unsigned addr) { proto_item *ti; char *address_name = uds_lookup_address_name(addr); if (address_name != NULL) { ti = proto_tree_add_string(tree, hf, tvb, offset, size, address_name); } else { address_name = wmem_strdup_printf(wmem_packet_scope(), "%d", addr); ti = proto_tree_add_string(tree, hf, tvb, offset, size, address_name); } proto_item_set_generated(ti); proto_item_set_hidden(ti); return ti; } static void uds_proto_item_append_address_text(proto_item *ti, uint8_t address_length, const char *name, uint32_t value) { if (ti == NULL) { return; } switch (address_length) { case 1: proto_item_append_text(ti, ", %s: 0x%02x", name, value); break; case 2: proto_item_append_text(ti, ", %s: 0x%04x", name, value); break; } } /*** Configuration End ***/ static bool call_heur_subdissector_uds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *uds_tree, uint8_t service, bool reply, uint32_t id, uint32_t uds_address) { uds_info_t uds_info; uds_info.id = id; uds_info.uds_address = uds_address; uds_info.reply = reply; uds_info.service = service; bool ret = dissector_try_heuristic(heur_subdissector_list, tvb, pinfo, tree, &heur_dtbl_entry, &uds_info); if (!ret) { if (service == UDS_SERVICES_RDBI && reply && id == UDS_DID_ADSDID) { proto_tree_add_item(uds_tree, hf_uds_did_reply_f186_diag_session, tvb, 0, 1, ENC_NA); return true; } if (service == UDS_SERVICES_RDBI && reply && id == UDS_DID_VINDID) { proto_tree_add_item(uds_tree, hf_uds_did_reply_f190_vin, tvb, 0, 17, ENC_ASCII); return true; } if (service == UDS_SERVICES_RDBI && reply && id == UDS_DID_UDSVDID) { uint32_t tmp = tvb_get_uint32(tvb, 0, ENC_BIG_ENDIAN); proto_tree_add_uint_format(uds_tree, hf_uds_did_reply_ff00_version, tvb, 0, 4, tmp, "UDS Version: %d.%d.%d.%d", (tmp & 0xff000000) >> 24, (tmp & 0x00ff0000) >> 16, (tmp & 0x0000ff00) >> 8, tmp & 0x000000ff); return true; } if (service == UDS_SERVICES_RDBI && reply && id == UDS_DID_RESRVDCPADLC) { proto_tree_add_item(uds_tree, hf_uds_did_reply_ff01_dlc_support, tvb, 0, 1, ENC_NA); return true; } } return ret; } static unsigned uds_sa_subfunction_to_type(uint8_t subf) { subf = subf & 0x7f; if (subf == 0x00 || ((0x43 <= subf) && (subf <= 0x5e)) || (subf == 0x7f)) { return UDS_SA_TYPES_RESERVED; } if (subf == 0x5f) { return UDS_SA_TYPES_REQUEST_SEED_ISO26021; } if (subf == 0x60) { return UDS_SA_TYPES_SEND_KEY_ISO26021; } if ((0x61 <= subf) && (subf <= 0x7e)) { return UDS_SA_TYPES_SUPPLIER; } if ((subf & 0x01) == 0x01) { return UDS_SA_TYPES_REQUEST_SEED; } if ((subf & 0x01) == 0x00) { return UDS_SA_TYPES_SEND_KEY; } return UDS_SA_TYPES_UNCLEAR; } static char * uds_sa_subfunction_to_string(uint8_t subf) { switch (uds_sa_subfunction_to_type(subf)) { case UDS_SA_TYPES_RESERVED: return "Reserved"; case UDS_SA_TYPES_SUPPLIER: return "System Supplier Specific"; case UDS_SA_TYPES_REQUEST_SEED: return "Request Seed"; case UDS_SA_TYPES_SEND_KEY: return "Send Key"; case UDS_SA_TYPES_REQUEST_SEED_ISO26021: return "Request Seed ISO26021"; case UDS_SA_TYPES_SEND_KEY_ISO26021: return "Send Key ISO26021"; } return "Unknown"; } static void uds_sa_subfunction_format(char *ret, uint32_t value) { if (uds_sa_subfunction_to_type(value) == UDS_SA_TYPES_UNCLEAR) { snprintf(ret, ITEM_LABEL_LENGTH, "0x%02x", value); return; } snprintf(ret, ITEM_LABEL_LENGTH, "%s (0x%02x)", uds_sa_subfunction_to_string(value), value); } static int dissect_uds_dtc_and_status_record(tvbuff_t *tvb, packet_info *pinfo, proto_tree *uds_tree, uint32_t offset, uint32_t ecu_address, bool severity_present, bool func_unit_present) { static int * const dtc_status_flags[] = { &hf_uds_rdtci_dtc_status_wir, &hf_uds_rdtci_dtc_status_tnctoc, &hf_uds_rdtci_dtc_status_tfslc, &hf_uds_rdtci_dtc_status_tncslc, &hf_uds_rdtci_dtc_status_cdtc, &hf_uds_rdtci_dtc_status_pdtc, &hf_uds_rdtci_dtc_status_tftoc, &hf_uds_rdtci_dtc_status_tf, NULL }; proto_item *ti_status_record, *ti; proto_tree *entry_tree; if (severity_present) { entry_tree = proto_tree_add_subtree(uds_tree, tvb, offset, 4, ett_uds_dtc_status_entry, &ti_status_record, "DTC and Severity Record"); unsigned severity; proto_tree_add_item_ret_uint(entry_tree, hf_uds_rdtci_dtc_severity, tvb, offset, 1, ENC_NA, &severity); offset += 1; if (func_unit_present) { unsigned functional_unit; proto_tree_add_item_ret_uint(entry_tree, hf_uds_rdtci_dtc_functional_unit, tvb, offset, 1, ENC_NA, &functional_unit); offset += 1; proto_item_append_text(ti_status_record, ", Severity:0x%02x, Functional Unit:0x%02x", severity, functional_unit); } else { proto_item_append_text(ti_status_record, ", Severity:0x%02x", severity); } } else { entry_tree = proto_tree_add_subtree(uds_tree, tvb, offset, 4, ett_uds_dtc_status_entry, &ti_status_record, "DTC and Status Record"); } unsigned dtc_id; ti = proto_tree_add_item_ret_uint(entry_tree, hf_uds_rdtci_dtc_id, tvb, offset, 3, ENC_BIG_ENDIAN, &dtc_id); protoitem_append_dtc_name(ti, ecu_address, dtc_id); offset += 3; uint64_t dtc_status; proto_tree_add_bitmask_with_flags_ret_uint64(entry_tree, tvb, offset, hf_uds_rdtci_dtc_status, ett_uds_dtc_status_bits, dtc_status_flags, ENC_NA, BMT_NO_APPEND, &dtc_status); offset += 1; const char *dtc_name = uds_lookup_dtc_name(ecu_address, dtc_id); if (dtc_name == NULL) { proto_item_append_text(ti_status_record, ", DTC:0x%06x, Status:0x%02x", dtc_id, (uint32_t)dtc_status); } else { proto_item_append_text(ti_status_record, ", DTC:0x%06x (%s), Status:0x%02x", dtc_id, dtc_name, (uint32_t)dtc_status); } col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%06x:0x%02x", dtc_id, (uint32_t)dtc_status); return offset; } static int dissect_uds_dtc_and_fault_detection_counter_record(tvbuff_t *tvb, packet_info *pinfo, proto_tree *uds_tree, uint32_t offset, uint32_t ecu_address) { proto_item *ti_status_record, *ti; proto_tree *entry_tree; entry_tree = proto_tree_add_subtree(uds_tree, tvb, offset, 4, ett_uds_dtc_counter_entry, &ti_status_record, "DTC and Fault Detection Counter Record"); unsigned dtc_id; ti = proto_tree_add_item_ret_uint(entry_tree, hf_uds_rdtci_dtc_id, tvb, offset, 3, ENC_BIG_ENDIAN, &dtc_id); protoitem_append_dtc_name(ti, ecu_address, dtc_id); offset += 3; unsigned counter; proto_tree_add_item_ret_uint(entry_tree, hf_uds_rdtci_dtc_fault_detect_counter, tvb, offset, 1, ENC_NA, &counter); offset += 1; const char *dtc_name = uds_lookup_dtc_name(ecu_address, dtc_id); if (dtc_name == NULL) { proto_item_append_text(ti_status_record, ", DTC:0x%06x, Counter:%04d", dtc_id, counter); } else { proto_item_append_text(ti_status_record, ", DTC:0x%06x (%s), Counter:%04d", dtc_id, dtc_name, counter); } col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%06x:%04d", dtc_id, counter); return offset; } static uint32_t dissect_uds_subfunction(tvbuff_t *tvb, packet_info *pinfo, proto_tree *uds_tree, uint32_t offset, uint32_t *subfunc_value, int hf, const value_string *vs, bool suppress_bit) { proto_item *ti = proto_tree_add_item(uds_tree, hf_uds_subfunction, tvb, offset, 1, ENC_NA); proto_tree *subfunction_tree = proto_item_add_subtree(ti, ett_uds_subfunction); proto_tree_add_item_ret_uint(subfunction_tree, hf, tvb, offset, 1, ENC_NA, subfunc_value); if (vs != NULL) { proto_item_append_text(ti, " (%s)", val_to_str(*subfunc_value, vs, "Unknown (0x%02x)")); col_append_fstr(pinfo->cinfo, COL_INFO, " SubFunction: %s", val_to_str(*subfunc_value, vs, "Unknown (0x%02x)")); } else { col_append_fstr(pinfo->cinfo, COL_INFO, " SubFunction: 0x%02x", *subfunc_value); } if (suppress_bit) { bool suppress; proto_tree_add_item_ret_boolean(subfunction_tree, hf_uds_suppress_pos_rsp_msg_ind, tvb, offset, 1, ENC_NA, &suppress); if (suppress) { col_append_str(pinfo->cinfo, COL_INFO, " (Reply suppressed)"); } } offset += 1; return offset; } static int dissect_uds_rdtci(tvbuff_t *tvb, packet_info *pinfo, proto_tree *uds_tree, uint32_t ecu_address, uint8_t sid, uint32_t offset, uint32_t data_length) { uint32_t enum_val; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_subfunction, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str_ext(enum_val, &uds_rdtci_types_ext, "Unknown (0x%02x)")); offset += 1; if (sid & UDS_REPLY_MASK) { static int * const dtc_status_avail_mask_flags[] = { &hf_uds_rdtci_dtc_status_avail_wir, &hf_uds_rdtci_dtc_status_avail_tnctoc, &hf_uds_rdtci_dtc_status_avail_tfslc, &hf_uds_rdtci_dtc_status_avail_tncslc, &hf_uds_rdtci_dtc_status_avail_cdtc, &hf_uds_rdtci_dtc_status_avail_pdtc, &hf_uds_rdtci_dtc_status_avail_tftoc, &hf_uds_rdtci_dtc_status_avail_tf, NULL }; switch (enum_val) { case UDS_RDTCI_TYPES_NUMBER_BY_STATUS_MASK: case UDS_RDTCI_TYPES_NUM_DTC_BY_SEVERITY_MASK: case UDS_RDTCI_TYPES_OUTDATED_RNOMMDTCBSM: case UDS_RDTCI_TYPES_OUTDATED_RNOOEOBDDTCBSM: { uint64_t dtc_status_avail_mask; proto_tree_add_bitmask_with_flags_ret_uint64(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_avail, ett_uds_dtc_status_bits, dtc_status_avail_mask_flags, ENC_NA, BMT_NO_APPEND, &dtc_status_avail_mask); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x", (uint32_t)dtc_status_avail_mask); offset += 1; uint32_t dtc_format; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_format_id, tvb, offset, 1, ENC_NA, &dtc_format); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(dtc_format, uds_rdtci_format_id_types, "Unknown Format (0x%02x)")); offset += 1; uint32_t dtc_count; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_count, tvb, offset, 2, ENC_BIG_ENDIAN, &dtc_count); col_append_fstr(pinfo->cinfo, COL_INFO, " %d DTCs", dtc_count); offset += 2; break; } case UDS_RDTCI_TYPES_BY_STATUS_MASK: case UDS_RDTCI_TYPES_SUPPORTED_DTC: case UDS_RDTCI_TYPES_FIRST_TEST_FAILED_DTC: case UDS_RDTCI_TYPES_FIRST_CONFIRMED_DTC: case UDS_RDTCI_TYPES_MOST_RECENT_TEST_FAILED: case UDS_RDTCI_TYPES_MOST_RECENT_CONFIRMED_DTC: case UDS_RDTCI_TYPES_OUTDATED_RMMDTCBSM: case UDS_RDTCI_TYPES_OUTDATED_ROBDDTCBSM: case UDS_RDTCI_TYPES_DTC_WITH_PERM_STATUS: { uint64_t dtc_status_avail_mask; proto_tree_add_bitmask_with_flags_ret_uint64(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_avail, ett_uds_dtc_status_bits, dtc_status_avail_mask_flags, ENC_NA, BMT_NO_APPEND, &dtc_status_avail_mask); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x", (uint32_t)dtc_status_avail_mask); offset += 1; while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } } break; case UDS_RDTCI_TYPES_SNAPSHOT_IDENTIFICATION: while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } break; case UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_DTC: { /* this cannot fully be parsed without configuration data (length of DID data) */ offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_snapshot_rec_no, tvb, offset, 1, ENC_NA); offset += 1; } if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_snapshot_record_number_of_ids, tvb, offset, 1, ENC_NA); offset += 1; } if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } } break; case UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_RECORD: { /* this cannot fully be parsed without configuration data (length of DID data) */ uint32_t count; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_stored_data_rec_no, tvb, offset, 1, ENC_NA, &count); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " %d Stored Data Records: ", count); if (count > 0) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_stored_data_record_number_of_ids, tvb, offset, 1, ENC_NA); offset += 1; if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } } } break; case UDS_RDTCI_TYPES_EXTENDED_RECORD_BY_DTC: /* this cannot fully be parsed without configuration data (length of DID data) */ offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; } if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } break; case UDS_RDTCI_TYPES_BY_SEVERITY_MASK: offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, true, true); break; case UDS_RDTCI_TYPES_SEVERITY_INFO_OF_DTC: offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, true, true); while (offset + 6 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, true, true); } break; case UDS_RDTCI_TYPES_DTC_FAULT_DETECT_CTR: while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_fault_detection_counter_record(tvb, pinfo, uds_tree, offset, ecu_address); } break; case UDS_RDTCI_TYPES_DTC_EXT_DATA_REC_BY_NUM: /* this cannot fully be parsed without configuration data (length of data records) */ proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } break; case UDS_RDTCI_TYPES_USER_MEM_DTC_BY_STATUS_M: proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_status_avail, tvb, offset, 1, ENC_NA); offset += 1; while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } break; case UDS_RDTCI_TYPES_USER_MEM_DTC_REC_BY_DTC_N: /* this cannot fully be parsed without configuration data (length of DID data) */ proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } break; case UDS_RDTCI_TYPES_USER_MEM_DTC_EXT_REC_BY_N: /* this cannot fully be parsed without configuration data (length of extended data) */ proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record_unparsed, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } break; case UDS_RDTCI_TYPES_SUP_DTC_EXT_RECORD: { unsigned status; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_status_avail, tvb, offset, 1, ENC_NA, &status); offset += 1; unsigned rec_no; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA, &rec_no); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x 0x%02x", status, rec_no); while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } } break; case UDS_RDTCI_TYPES_WWH_OBD_DTC_BY_MASK_REC: { unsigned func_group; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA, &func_group); offset += 1; unsigned status; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_status_avail, tvb, offset, 1, ENC_NA, &status); offset += 1; unsigned severity; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_severity_avail, tvb, offset, 1, ENC_NA, &severity); offset += 1; unsigned format; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_format_id, tvb, offset, 1, ENC_NA, &format); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x 0x%02x 0x%02x 0x%02x", func_group, status, severity, format); while (offset + 5 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, true, false); } } break; case UDS_RDTCI_TYPES_WWH_OBD_DTC_PERM_STATUS: { unsigned func_group; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA, &func_group); offset += 1; unsigned status; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_status_avail, tvb, offset, 1, ENC_NA, &status); offset += 1; unsigned format; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_format_id, tvb, offset, 1, ENC_NA, &format); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x 0x%02x 0x%02x", func_group, status, format); while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } } break; case UDS_RDTCI_TYPES_WWH_OBD_BY_GROUP_READY: { unsigned func_group; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA, &func_group); offset += 1; unsigned status; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_status_avail, tvb, offset, 1, ENC_NA, &status); offset += 1; unsigned format; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_format_id, tvb, offset, 1, ENC_NA, &format); offset += 1; unsigned readiness; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdtci_dtc_readiness_group_id, tvb, offset, 1, ENC_NA, &readiness); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x 0x%02x 0x%02x 0x%02x", func_group, status, format, readiness); while (offset + 4 <= data_length) { offset = dissect_uds_dtc_and_status_record(tvb, pinfo, uds_tree, offset, ecu_address, false, false); } } break; default: if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } } } else { static int * const dtc_status_mask_flags[] = { &hf_uds_rdtci_dtc_status_mask_wir, &hf_uds_rdtci_dtc_status_mask_tnctoc, &hf_uds_rdtci_dtc_status_mask_tfslc, &hf_uds_rdtci_dtc_status_mask_tncslc, &hf_uds_rdtci_dtc_status_mask_cdtc, &hf_uds_rdtci_dtc_status_mask_pdtc, &hf_uds_rdtci_dtc_status_mask_tftoc, &hf_uds_rdtci_dtc_status_mask_tf, NULL }; switch (enum_val) { case UDS_RDTCI_TYPES_NUMBER_BY_STATUS_MASK: case UDS_RDTCI_TYPES_BY_STATUS_MASK: case UDS_RDTCI_TYPES_OUTDATED_RMMDTCBSM: case UDS_RDTCI_TYPES_OUTDATED_RNOMMDTCBSM: case UDS_RDTCI_TYPES_OUTDATED_RNOOEOBDDTCBSM: case UDS_RDTCI_TYPES_OUTDATED_ROBDDTCBSM: { uint64_t status_mask; proto_tree_add_bitmask_with_flags_ret_uint64(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_mask, ett_uds_dtc_status_bits, dtc_status_mask_flags, ENC_NA, BMT_NO_APPEND, &status_mask); offset += 1; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%02x", (uint32_t)status_mask); } break; case UDS_RDTCI_TYPES_SNAPSHOT_IDENTIFICATION: /* no additional params */ break; case UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_DTC: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_mask_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_snapshot_rec_no, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_SNAPSHOT_RECORD_BY_RECORD: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_stored_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_EXTENDED_RECORD_BY_DTC: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_mask_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_NUM_DTC_BY_SEVERITY_MASK: case UDS_RDTCI_TYPES_BY_SEVERITY_MASK: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_severity_mask, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_bitmask(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_mask, ett_uds_dtc_status_bits, dtc_status_mask_flags, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_SEVERITY_INFO_OF_DTC: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_mask_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; break; case UDS_RDTCI_TYPES_SUPPORTED_DTC: case UDS_RDTCI_TYPES_FIRST_TEST_FAILED_DTC: case UDS_RDTCI_TYPES_FIRST_CONFIRMED_DTC: case UDS_RDTCI_TYPES_MOST_RECENT_TEST_FAILED: case UDS_RDTCI_TYPES_MOST_RECENT_CONFIRMED_DTC: case UDS_RDTCI_TYPES_DTC_FAULT_DETECT_CTR: case UDS_RDTCI_TYPES_DTC_WITH_PERM_STATUS: /* no additional params */ break; case UDS_RDTCI_TYPES_DTC_EXT_DATA_REC_BY_NUM: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_USER_MEM_DTC_BY_STATUS_M: proto_tree_add_bitmask(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_mask, ett_uds_dtc_status_bits, dtc_status_mask_flags, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_USER_MEM_DTC_REC_BY_DTC_N: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_mask_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(uds_tree, hf_uds_rdtci_user_def_dtc_snapshot_rec_no, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_USER_MEM_DTC_EXT_REC_BY_N: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_mask_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_memory_selection, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_SUP_DTC_EXT_RECORD: proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_ext_data_rec_no, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_WWH_OBD_DTC_BY_MASK_REC: proto_tree_add_item(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_bitmask(uds_tree, tvb, offset, hf_uds_rdtci_dtc_status_mask, ett_uds_dtc_status_bits, dtc_status_mask_flags, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_severity_mask, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_WWH_OBD_DTC_PERM_STATUS: proto_tree_add_item(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_RDTCI_TYPES_WWH_OBD_BY_GROUP_READY: proto_tree_add_item(uds_tree, hf_uds_rdtci_functional_group_id, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rdtci_dtc_readiness_group_id, tvb, offset, 1, ENC_NA); offset += 1; break; default: if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdtci_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } } } return offset; } static int dissect_uds_memory_addr_size(tvbuff_t *tvb, packet_info *pinfo, proto_tree *uds_tree, uint32_t offset, bool withDataFormatIdentifier) { uint32_t compression, encrypting; if (withDataFormatIdentifier) { proto_tree_add_item_ret_uint(uds_tree, hf_uds_compression_method, tvb, offset, 1, ENC_NA, &compression); proto_tree_add_item_ret_uint(uds_tree, hf_uds_encrypting_method, tvb, offset, 1, ENC_NA, &encrypting); offset += 1; } uint32_t memory_size_length, memory_address_length; proto_tree_add_item_ret_uint(uds_tree, hf_uds_memory_size_length, tvb, offset, 1, ENC_NA, &memory_size_length); proto_tree_add_item_ret_uint(uds_tree, hf_uds_memory_address_length, tvb, offset, 1, ENC_NA, &memory_address_length); offset += 1; uint64_t memory_address; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_memory_address, tvb, offset, memory_address_length, ENC_BIG_ENDIAN, &memory_address); offset += memory_address_length; uint64_t memory_size; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_memory_size, tvb, offset, memory_size_length, ENC_BIG_ENDIAN, &memory_size); offset += memory_size_length; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%" PRIx64 " bytes at 0x%" PRIx64, memory_size, memory_address); if (withDataFormatIdentifier) { col_append_fstr(pinfo->cinfo, COL_INFO, " (Compression:0x%x Encrypting:0x%x)", compression, encrypting); } return offset; } static int dissect_uds_certificates_into_tree(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti, uint32_t offset, unsigned length) { asn1_ctx_t asn1_ctx; if (!tree || !tvb || !ti || length == 0 || uds_certificate_decoding_config == cert_parsing_off) { return 0; } tvbuff_t *sub_tvb = tvb_new_subset_length(tvb, offset, length); asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo); proto_tree *cert_tree = proto_item_add_subtree(ti, ett_uds_ars_certificate); switch (uds_certificate_decoding_config) { case ber_cert_single_false: return dissect_x509af_Certificate(false, sub_tvb, 0, &asn1_ctx, cert_tree, hf_uds_signedCertificate); case ber_cert_single_true: return dissect_x509af_Certificate(true, sub_tvb, 0, &asn1_ctx, cert_tree, hf_uds_signedCertificate); case ber_cert_multi_false: return dissect_x509af_Certificates(false, sub_tvb, 0, &asn1_ctx, cert_tree, hf_uds_signedCertificate); case ber_cert_multi_true: return dissect_x509af_Certificates(true, sub_tvb, 0, &asn1_ctx, cert_tree, hf_uds_signedCertificate); } return 0; } static int dissect_uds_internal(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, uint16_t source_address, uint16_t target_address, uint8_t number_of_addresses_valid, uint8_t address_size) { proto_tree *uds_tree; proto_tree *subfunction_tree; proto_item *ti; uint8_t sid, service; uint32_t enum_val; const char *service_name; uint32_t ecu_address; uint32_t data_length = tvb_reported_length(tvb); tvbuff_t *payload_tvb; uint32_t offset = 0; col_set_str(pinfo->cinfo, COL_PROTOCOL, "UDS"); if (uds_clear_info_col) { col_clear(pinfo->cinfo, COL_INFO); } else { col_append_str(pinfo->cinfo, COL_INFO, " "); } sid = tvb_get_uint8(tvb, offset); service = sid & UDS_SID_MASK; if (service < UDS_SERVICES_MIN && uds_dissect_small_sids_with_obd_ii && (obd_ii_handle != NULL)) { return call_dissector(obd_ii_handle, tvb_new_subset_length_caplen(tvb, offset, -1, -1), pinfo, tree); } service_name = val_to_str_ext(service, &uds_services_ext, "Unknown (0x%02x)"); col_append_fstr(pinfo->cinfo, COL_INFO, "%-7s %-36s", (sid & UDS_REPLY_MASK)? "Reply": "Request", service_name); ti = proto_tree_add_item(tree, proto_uds, tvb, offset, -1, ENC_NA); uds_tree = proto_item_add_subtree(ti, ett_uds); if (sid & UDS_REPLY_MASK) { ecu_address = source_address; } else { ecu_address = target_address; } switch (number_of_addresses_valid) { case 0: ecu_address = UINT32_MAX; break; case 1: uds_proto_item_append_address_text(ti, address_size, "Address", source_address); uds_proto_item_append_address_name(ti, source_address); uds_proto_tree_add_address_item(uds_tree, hf_uds_diag_addr, tvb, 0, 0, source_address, true, false); uds_proto_tree_add_address_name(uds_tree, hf_uds_diag_addr_name, tvb, 0, 0, source_address); break; case 2: uds_proto_item_append_address_text(ti, address_size, "Source", source_address); uds_proto_item_append_address_name(ti, source_address); uds_proto_item_append_address_text(ti, address_size, "Target", target_address); uds_proto_item_append_address_name(ti, target_address); uds_proto_tree_add_address_item(uds_tree, hf_uds_diag_source_addr, tvb, 0, 0, source_address, true, false); uds_proto_tree_add_address_name(uds_tree, hf_uds_diag_source_addr_name, tvb, 0, 0, source_address); uds_proto_tree_add_address_item(uds_tree, hf_uds_diag_addr, tvb, 0, 0, source_address, true, true); uds_proto_tree_add_address_name(uds_tree, hf_uds_diag_addr_name, tvb, 0, 0, source_address); uds_proto_tree_add_address_item(uds_tree, hf_uds_diag_target_addr, tvb, 0, 0, target_address, true, false); uds_proto_tree_add_address_name(uds_tree, hf_uds_diag_target_addr_name, tvb, 0, 0, target_address); uds_proto_tree_add_address_item(uds_tree, hf_uds_diag_addr, tvb, 0, 0, target_address, true, true); uds_proto_tree_add_address_name(uds_tree, hf_uds_diag_addr_name, tvb, 0, 0, target_address); break; } proto_tree_add_item(uds_tree, hf_uds_service, tvb, offset, 1, ENC_NA); proto_tree_add_item(uds_tree, hf_uds_reply, tvb, offset, 1, ENC_NA); offset += 1; switch (service) { case UDS_SERVICES_DSC: { bool suppress; proto_tree_add_item_ret_boolean(uds_tree, hf_uds_dsc_suppress_pos_rsp_msg_ind, tvb, offset, 1, ENC_NA, &suppress); proto_tree_add_item_ret_uint(uds_tree, hf_uds_dsc_subfunction, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_dsc_types, "Unknown (0x%02x)")); if (suppress) { col_append_str(pinfo->cinfo, COL_INFO, " (Reply suppressed)"); } } offset += 1; if (sid & UDS_REPLY_MASK) { ti = proto_tree_add_item(uds_tree, hf_uds_dsc_parameter_record, tvb, offset, data_length - offset, ENC_NA); proto_tree *param_tree = proto_item_add_subtree(ti, ett_uds_dsc_parameter_record); uint32_t default_p2; proto_tree_add_item_ret_uint(param_tree, hf_uds_dsc_default_p2_server_timer, tvb, offset, 2, ENC_BIG_ENDIAN, &default_p2); offset += 2; uint32_t enhanced_p2 = tvb_get_uint16(tvb, offset, ENC_BIG_ENDIAN) * 10; proto_tree_add_uint(param_tree, hf_uds_dsc_enhanced_p2_server_timer, tvb, offset, 2, enhanced_p2); offset += 2; col_append_fstr(pinfo->cinfo, COL_INFO, " P2-default:%5dms P2-enhanced:%6dms", default_p2, enhanced_p2); } break; case UDS_SERVICES_ER: proto_tree_add_item_ret_uint(uds_tree, hf_uds_er_subfunction, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_er_types, "Unknown (0x%02x)")); offset += 1; if ((sid & UDS_REPLY_MASK) && (enum_val == UDS_ER_TYPES_ENABLE_RAPID_POWER_SHUTDOWN)) { uint32_t tmp; ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_er_power_down_time, tvb, offset, 1, ENC_NA, &tmp); if (tmp == UDS_ER_TYPE_ENABLE_RAPID_POWER_SHUTDOWN_INVALID) { proto_item_append_text(ti, " (Failure or time not available!)"); } offset += 1; } break; case UDS_SERVICES_CDTCI: if (sid & UDS_REPLY_MASK) { /* do nothing */ } else { proto_tree_add_item(uds_tree, hf_uds_cdtci_group_of_dtc, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; if (offset + 1 <= data_length) { proto_tree_add_item(uds_tree, hf_uds_cdtci_memory_selection, tvb, offset, 1, ENC_NA); } } break; case UDS_SERVICES_RDTCI: offset = dissect_uds_rdtci(tvb, pinfo, uds_tree, ecu_address, sid, offset, data_length); break; case UDS_SERVICES_RDBI: if (sid & UDS_REPLY_MASK) { /* Can't know the size of the data for each identifier, Decode like if there is only one identifier */ uint32_t data_identifier; ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdbi_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &data_identifier); protoitem_append_data_name(ti, ecu_address, (uint16_t)data_identifier); offset += 2; col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%04x", data_identifier); infocol_append_data_name(pinfo, ecu_address, data_identifier); bool dissection_ok = false; if (data_length > offset) { col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); payload_tvb = tvb_new_subset_length(tvb, offset, data_length - offset); dissection_ok = call_heur_subdissector_uds(payload_tvb, pinfo, tree, uds_tree, service, true, data_identifier, ecu_address); } if (!dissection_ok) { /* ISO14229: at least one byte for data record. Just make sure, we show an error, if less than 1 byte left! */ proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, MAX(1, data_length - offset), ENC_NA); } offset = data_length; } else { /* ISO14229: data identifiers are 2 bytes and at least one has to be present. */ do { uint32_t data_identifier; ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdbi_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &data_identifier); protoitem_append_data_name(ti, ecu_address, (uint16_t)data_identifier); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%04x", data_identifier); infocol_append_data_name(pinfo, ecu_address, data_identifier); offset += 2; } while (data_length >= offset + 2); } break; case UDS_SERVICES_RMBA: if (sid & UDS_REPLY_MASK) { if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } } else { offset = dissect_uds_memory_addr_size(tvb, pinfo, uds_tree, offset, false); } break; case UDS_SERVICES_RSDBI: proto_tree_add_item(uds_tree, hf_uds_rsdbi_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (sid & UDS_REPLY_MASK) { do { proto_tree *tmp_tree; ti = proto_tree_add_item(uds_tree, hf_uds_rsdbi_scaling_byte, tvb, offset, 1, ENC_NA); tmp_tree = proto_item_add_subtree(ti, ett_uds_rsdbi_scaling_byte); unsigned data_type, num_of_bytes; proto_tree_add_item_ret_uint(tmp_tree, hf_uds_rsdbi_scaling_byte_data_type, tvb, offset, 1, ENC_NA, &data_type); proto_tree_add_item_ret_uint(tmp_tree, hf_uds_rsdbi_scaling_byte_num_of_bytes, tvb, offset, 1, ENC_NA, &num_of_bytes); proto_item_append_text(ti, ", %s, %d", val_to_str(data_type, uds_rsdbi_data_types, "Unknown (0x%x)"), num_of_bytes); offset += 1; /* lets parse the extension, if needed... */ unsigned next_pos; switch (data_type) { case UDS_RSDBI_DATA_TYPE_BITMAPPED_REPORTED_WO_MAP: proto_tree_add_item(uds_tree, hf_uds_rsdbi_validity_mask, tvb, offset, num_of_bytes, ENC_NA); offset += num_of_bytes; break; case UDS_RSDBI_DATA_TYPE_FORMULA: proto_tree_add_item(uds_tree, hf_uds_rsdbi_formula_identifier, tvb, offset, 1, ENC_NA); next_pos = offset + num_of_bytes; while (offset + 2 <= next_pos) { ti = proto_tree_add_item(uds_tree, hf_uds_rsdbi_formula_constant, tvb, offset, 2, ENC_NA); proto_tree *const_tree = proto_item_add_subtree(ti, ett_uds_rsdbi_formula_constant); proto_tree_add_item(const_tree, hf_uds_rsdbi_formula_constant_exp, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(const_tree, hf_uds_rsdbi_formula_constant_mantissa, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } break; case UDS_RSDBI_DATA_TYPE_UNIT_FORMAT: proto_tree_add_item(uds_tree, hf_uds_rsdbi_unit, tvb, offset, 1, ENC_NA); offset += num_of_bytes; break; } } while (offset < data_length); } break; case UDS_SERVICES_SA: ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_sa_subfunction, tvb, offset, 1, ENC_NA, &enum_val); proto_item_append_text(ti, " (%s)", uds_sa_subfunction_to_string(enum_val)); col_append_fstr(pinfo->cinfo, COL_INFO, " %s (0x%02x)", uds_sa_subfunction_to_string(enum_val), enum_val); offset += 1; if (data_length > offset) { if (sid & UDS_REPLY_MASK) { switch (uds_sa_subfunction_to_type(enum_val)) { case UDS_SA_TYPES_SEND_KEY: /* fall through */ case UDS_SA_TYPES_SEND_KEY_ISO26021: /* do nothing */ break; case UDS_SA_TYPES_REQUEST_SEED: /* fall through */ case UDS_SA_TYPES_REQUEST_SEED_ISO26021: proto_tree_add_item(uds_tree, hf_uds_sa_seed, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); break; default: proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); } } else { switch (uds_sa_subfunction_to_type(enum_val)) { case UDS_SA_TYPES_SEND_KEY: /* fall through */ case UDS_SA_TYPES_SEND_KEY_ISO26021: proto_tree_add_item(uds_tree, hf_uds_sa_key, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); break; case UDS_SA_TYPES_REQUEST_SEED: /* fall through */ case UDS_SA_TYPES_REQUEST_SEED_ISO26021: default: proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); } } offset = data_length; } break; case UDS_SERVICES_CC: if (sid & UDS_REPLY_MASK) { offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_cc_subfunction_no_suppress, uds_cc_types, false); } else { offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_cc_subfunction_no_suppress, uds_cc_types, true); proto_tree *comm_type_tree; ti = proto_tree_add_item(uds_tree, hf_uds_cc_comm_type_and_subnet_number, tvb, offset, 1, ENC_NA); comm_type_tree = proto_item_add_subtree(ti, ett_uds_cc_communication_type); proto_tree_add_item(comm_type_tree, hf_uds_cc_communication_type, tvb, offset, 1, ENC_NA); proto_tree_add_item(comm_type_tree, hf_uds_cc_subnet_number, tvb, offset, 1, ENC_NA); offset += 1; if (enum_val == UDS_CC_TYPES_ENABLE_RX_AND_DISABLE_TX_WITH_ENH_ADDR_INFO || enum_val == UDS_CC_TYPES_ENABLE_RX_AND_TX_WITH_ENH_ADDR_INFO) { proto_tree_add_item(uds_tree, hf_uds_cc_node_identifier_number, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } } break; case UDS_SERVICES_ARS: if (sid & UDS_REPLY_MASK) { unsigned length_field; proto_tree *algo_tree; offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_ars_subfunction_no_suppress, uds_ars_types, false); switch (enum_val) { case UDS_ARS_TYPES_DEAUTHENTICATE: /* fall through */ case UDS_ARS_TYPES_TRANSMIT_CERTIFICATE: /* fall through */ case UDS_ARS_TYPES_AUTH_CONFIGURATION: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; break; case UDS_ARS_TYPES_VERIFY_CERT_UNIDIRECTIONAL: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_challenge_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_challenge_server, tvb, offset, length_field, ENC_NA); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_ephemeral_public_key_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_ephemeral_public_key_server, tvb, offset, length_field, ENC_NA); offset += length_field; } break; case UDS_ARS_TYPES_VERIFY_CERT_BIDIRECTIONAL: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_challenge_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_challenge_server, tvb, offset, length_field, ENC_NA); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_cert_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; ti = proto_tree_add_item(uds_tree, hf_uds_ars_cert_server, tvb, offset, length_field, ENC_NA); dissect_uds_certificates_into_tree(tvb, pinfo, uds_tree, ti, offset, length_field); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_proof_of_ownership_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_proof_of_ownership_server, tvb, offset, length_field, ENC_NA); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_ephemeral_public_key_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_ephemeral_public_key_server, tvb, offset, length_field, ENC_NA); offset += length_field; } break; case UDS_ARS_TYPES_PROOF_OF_OWNERSHIP: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_session_key_info, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_session_key_info, tvb, offset, length_field, ENC_NA); offset += length_field; } break; case UDS_ARS_TYPES_REQUEST_CHALLENGE_FOR_AUTH: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; ti = proto_tree_add_item(uds_tree, hf_uds_ars_algo_indicator, tvb, offset, 16, ENC_NA); algo_tree = proto_item_add_subtree(ti, ett_uds_ars_algo_indicator); dissect_unknown_ber(pinfo, tvb, offset, algo_tree); offset += 16; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_challenge_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_challenge_server, tvb, offset, length_field, ENC_NA); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_needed_additional_parameter, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_needed_additional_parameter, tvb, offset, length_field, ENC_NA); offset += length_field; } break; case UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_UNIDIR: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; ti = proto_tree_add_item(uds_tree, hf_uds_ars_algo_indicator, tvb, offset, 16, ENC_NA); algo_tree = proto_item_add_subtree(ti, ett_uds_ars_algo_indicator); dissect_unknown_ber(pinfo, tvb, offset, algo_tree); offset += 16; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_session_key_info, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_session_key_info, tvb, offset, length_field, ENC_NA); offset += length_field; } break; case UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_BIDIR: proto_tree_add_item(uds_tree, hf_uds_ars_auth_ret_param, tvb, offset, 1, ENC_NA); offset += 1; ti = proto_tree_add_item(uds_tree, hf_uds_ars_algo_indicator, tvb, offset, 16, ENC_NA); algo_tree = proto_item_add_subtree(ti, ett_uds_ars_algo_indicator); dissect_unknown_ber(pinfo, tvb, offset, algo_tree); offset += 16; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_proof_of_ownership_server, tvb, offset, 2, ENC_NA, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_proof_of_ownership_server, tvb, offset, length_field, ENC_NA); offset += length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_session_key_info, tvb, offset, 2, ENC_NA, &length_field); offset += 2; if (length_field > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_session_key_info, tvb, offset, length_field, ENC_NA); offset += length_field; } break; } } else { proto_tree *algo_tree; offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_ars_subfunction_no_suppress, uds_ars_types, true); switch (enum_val) { case UDS_ARS_TYPES_DEAUTHENTICATE: /* fall through */ case UDS_ARS_TYPES_AUTH_CONFIGURATION: /* do nothing */ break; case UDS_ARS_TYPES_VERIFY_CERT_UNIDIRECTIONAL: /* fall through */ case UDS_ARS_TYPES_VERIFY_CERT_BIDIRECTIONAL: { proto_tree_add_item(uds_tree, hf_uds_ars_comm_config, tvb, offset, 1, ENC_NA); offset += 1; unsigned length_cert_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_cert_client, tvb, offset, 2, ENC_NA, &length_cert_client); offset += 2; ti = proto_tree_add_item(uds_tree, hf_uds_ars_cert_client, tvb, offset, length_cert_client, ENC_NA); dissect_uds_certificates_into_tree(tvb, pinfo, uds_tree, ti, offset, length_cert_client); offset += length_cert_client; unsigned length_challenge_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_challenge_client, tvb, offset, 2, ENC_NA, &length_challenge_client); offset += 2; if (length_challenge_client > 0 || enum_val == UDS_ARS_TYPES_VERIFY_CERT_BIDIRECTIONAL) { proto_tree_add_item(uds_tree, hf_uds_ars_challenge_client, tvb, offset, length_challenge_client, ENC_NA); offset += length_challenge_client; } } break; case UDS_ARS_TYPES_PROOF_OF_OWNERSHIP: { unsigned length_proof_of_ownership_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_proof_of_ownership_client, tvb, offset, 2, ENC_NA, &length_proof_of_ownership_client); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_proof_of_ownership_client, tvb, offset, length_proof_of_ownership_client, ENC_NA); offset += length_proof_of_ownership_client; unsigned length_ephemeral_public_key_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_ephemeral_public_key_client, tvb, offset, 2, ENC_NA, &length_ephemeral_public_key_client); offset += 2; if (length_ephemeral_public_key_client > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_ephemeral_public_key_client, tvb, offset, length_ephemeral_public_key_client, ENC_NA); offset += length_ephemeral_public_key_client; } } break; case UDS_ARS_TYPES_TRANSMIT_CERTIFICATE: { proto_tree_add_item(uds_tree, hf_uds_ars_cert_eval_id, tvb, offset, 2, ENC_NA); offset += 2; unsigned length_cert_data; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_cert_data, tvb, offset, 2, ENC_NA, &length_cert_data); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_cert_data, tvb, offset, length_cert_data, ENC_NA); offset += length_cert_data; } break; case UDS_ARS_TYPES_REQUEST_CHALLENGE_FOR_AUTH: { proto_tree_add_item(uds_tree, hf_uds_ars_comm_config, tvb, offset, 1, ENC_NA); offset += 1; ti = proto_tree_add_item(uds_tree, hf_uds_ars_algo_indicator, tvb, offset, 16, ENC_NA); algo_tree = proto_item_add_subtree(ti, ett_uds_ars_algo_indicator); dissect_unknown_ber(pinfo, tvb, offset, algo_tree); offset += 16; } break; case UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_UNIDIR: /* fall through */ case UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_BIDIR: { ti = proto_tree_add_item(uds_tree, hf_uds_ars_algo_indicator, tvb, offset, 16, ENC_NA); algo_tree = proto_item_add_subtree(ti, ett_uds_ars_algo_indicator); dissect_unknown_ber(pinfo, tvb, offset, algo_tree); offset += 16; unsigned length_proof_of_ownership_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_proof_of_ownership_client, tvb, offset, 2, ENC_NA, &length_proof_of_ownership_client); offset += 2; proto_tree_add_item(uds_tree, hf_uds_ars_proof_of_ownership_client, tvb, offset, length_proof_of_ownership_client, ENC_NA); offset += length_proof_of_ownership_client; unsigned length_challenge_client; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_challenge_client, tvb, offset, 2, ENC_NA, &length_challenge_client); offset += 2; if (length_challenge_client > 0 || enum_val == UDS_ARS_TYPES_VERIFY_PROOF_OF_OWN_BIDIR) { proto_tree_add_item(uds_tree, hf_uds_ars_challenge_client, tvb, offset, length_challenge_client, ENC_NA); offset += length_challenge_client; } unsigned length_additional_parameter; proto_tree_add_item_ret_uint(uds_tree, hf_uds_ars_length_of_additional_parameter, tvb, offset, 2, ENC_NA, &length_additional_parameter); offset += 2; if (length_additional_parameter > 0) { proto_tree_add_item(uds_tree, hf_uds_ars_additional_parameter, tvb, offset, length_additional_parameter, ENC_NA); offset += length_additional_parameter; } } break; } } break; case UDS_SERVICES_RDBPI: if (sid & UDS_REPLY_MASK) { proto_tree_add_item(uds_tree, hf_uds_rdbpi_periodic_data_identifier, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, data_length - offset, ENC_NA); offset = data_length; } else { unsigned transmission_mode; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rdbpi_transmission_mode, tvb, offset, 1, ENC_NA, &transmission_mode); offset += 1; /* For transmission mode 1 (send at slow rate), mode 2 (medium rate), and mode 3 (fast rate), require at least 1 pdid! */ if (1 <= transmission_mode && transmission_mode <= 3) { proto_tree_add_item(uds_tree, hf_uds_rdbpi_periodic_data_identifier, tvb, offset, 1, ENC_NA); offset += 1; } while (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_rdbpi_periodic_data_identifier, tvb, offset, 1, ENC_NA); offset += 1; } } break; case UDS_SERVICES_DDDI: if (sid & UDS_REPLY_MASK) { offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_dddi_subfunction_no_suppress, uds_dddi_types, false); if (offset + 2 <= data_length) { proto_tree_add_item(uds_tree, hf_uds_dddi_dyn_defined_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } } else { offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_dddi_subfunction_no_suppress, uds_dddi_types, true); switch (enum_val) { case UDS_DDDI_TYPES_DEFINE_BY_IDENTIFIER: proto_tree_add_item(uds_tree, hf_uds_dddi_dyn_defined_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; do { proto_tree *tmp_tree; tmp_tree = proto_tree_add_subtree(uds_tree, tvb, offset, 4, ett_uds_dddi_entry, &ti, "Element"); unsigned source_data_id; proto_tree_add_item_ret_uint(tmp_tree, hf_uds_dddi_source_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &source_data_id); offset += 2; unsigned position; proto_tree_add_item_ret_uint(tmp_tree, hf_uds_dddi_position_in_source_data_record, tvb, offset, 1, ENC_NA, &position); offset += 1; unsigned mem_size; proto_tree_add_item_ret_uint(tmp_tree, hf_uds_dddi_memory_size, tvb, offset, 1, ENC_NA, &mem_size); offset += 1; proto_item_append_text(ti, " %d with Source ID 0x%04x and %d byte(s)", position, source_data_id, mem_size); } while (offset + 4 <= data_length); break; case UDS_DDDI_TYPES_DEFINE_BY_MEM_ADDRESS: proto_tree_add_item(uds_tree, hf_uds_dddi_dyn_defined_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; uint32_t memory_size_length, memory_address_length; proto_tree_add_item_ret_uint(uds_tree, hf_uds_memory_size_length, tvb, offset, 1, ENC_NA, &memory_size_length); proto_tree_add_item_ret_uint(uds_tree, hf_uds_memory_address_length, tvb, offset, 1, ENC_NA, &memory_address_length); offset += 1; do { uint64_t memory_address; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_memory_address, tvb, offset, memory_address_length, ENC_BIG_ENDIAN, &memory_address); offset += memory_address_length; uint64_t memory_size; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_memory_size, tvb, offset, memory_size_length, ENC_BIG_ENDIAN, &memory_size); offset += memory_size_length; } while (offset + memory_address_length + memory_size_length <= data_length); break; case UDS_DDDI_TYPES_CLEAR_DYN_DEF_DATA_ID: if (offset + 2 <= data_length) { proto_tree_add_item(uds_tree, hf_uds_dddi_dyn_defined_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } break; } } break; case UDS_SERVICES_WDBI: ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_wdbi_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &enum_val); protoitem_append_data_name(ti, ecu_address, (uint16_t)enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%04x", enum_val); infocol_append_data_name(pinfo, ecu_address, enum_val); offset += 2; if (!(sid & UDS_REPLY_MASK)) { bool dissection_ok = false; if (data_length > offset) { col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); payload_tvb = tvb_new_subset_length(tvb, offset, data_length - offset); dissection_ok = call_heur_subdissector_uds(payload_tvb, pinfo, tree, uds_tree, service, false, enum_val, ecu_address); } if (!dissection_ok) { /* ISO14229: at least one byte for data record. Just make sure, we show an error, if less than 1 byte left! */ proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, MAX(1, data_length - offset), ENC_NA); } offset = data_length; } break; case UDS_SERVICES_IOCBI: { uint32_t data_identifier; ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_iocbi_data_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &data_identifier); protoitem_append_data_name(ti, ecu_address, (uint16_t)data_identifier); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%04x", data_identifier); infocol_append_data_name(pinfo, ecu_address, data_identifier); offset += 2; proto_tree_add_item_ret_uint(uds_tree, hf_uds_iocbi_parameter, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_iocbi_parameters, "Unknown (0x%02x)")); offset += 1; /* The exact format depends on vehicle manufacturer and config. Not much we can do here. */ if (data_length > offset) { proto_tree_add_item(uds_tree, hf_uds_iocbi_state, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); } offset = data_length; break; } case UDS_SERVICES_RC: { proto_tree_add_item_ret_uint(uds_tree, hf_uds_rc_subfunction, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_rc_types, "Unknown (0x%02x)")); offset += 1; uint32_t identifier; ti = proto_tree_add_item_ret_uint(uds_tree, hf_uds_rc_identifier, tvb, offset, 2, ENC_BIG_ENDIAN, &identifier); protoitem_append_routine_name(ti, ecu_address, identifier); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%04x", identifier); infocol_append_routine_name(pinfo, ecu_address, identifier); offset += 2; if (sid & UDS_REPLY_MASK) { if (data_length > offset) { uint32_t info; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rc_info, tvb, offset, 1, ENC_NA, &info); col_append_fstr(pinfo->cinfo, COL_INFO, " 0x%x", info); offset += 1; if (data_length > offset) { col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); payload_tvb = tvb_new_subset_length(tvb, offset, data_length - offset); if (!call_heur_subdissector_uds(payload_tvb, pinfo, tree, uds_tree, service, true, identifier, ecu_address)) { proto_tree_add_item(uds_tree, hf_uds_rc_status_record, tvb, offset, data_length - offset, ENC_NA); } offset = data_length; } } } else { if (data_length > offset) { col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); payload_tvb = tvb_new_subset_length(tvb, offset, data_length - offset); if (!call_heur_subdissector_uds(payload_tvb, pinfo, tree, uds_tree, service, false, identifier, ecu_address)) { proto_tree_add_item(uds_tree, hf_uds_rc_option_record, tvb, offset, data_length - offset, ENC_NA); } offset = data_length; } } break; } case UDS_SERVICES_RD: /* fall through */ case UDS_SERVICES_RU: if (sid & UDS_REPLY_MASK) { uint32_t max_block_length_length; proto_tree_add_item_ret_uint(uds_tree, hf_uds_max_block_len_len, tvb, offset, 1, ENC_NA, &max_block_length_length); offset += 1; uint64_t max_block_length; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_max_block_len, tvb, offset, max_block_length_length, ENC_BIG_ENDIAN, &max_block_length); offset += max_block_length_length; col_append_fstr(pinfo->cinfo, COL_INFO, " Max Block Length 0x%" PRIx64, max_block_length); } else { offset = dissect_uds_memory_addr_size(tvb, pinfo, uds_tree, offset, true); } break; case UDS_SERVICES_TD: { uint32_t sequence_no; proto_tree_add_item_ret_uint(uds_tree, hf_uds_td_sequence_counter, tvb, offset, 1, ENC_NA, &sequence_no); col_append_fstr(pinfo->cinfo, COL_INFO, " Block Sequence Counter %d", sequence_no); offset += 1; if (data_length > offset) { proto_tree_add_item(uds_tree, hf_uds_td_record_data, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } break; } case UDS_SERVICES_RTE: if (data_length > offset) { proto_tree_add_item(uds_tree, hf_uds_rte_record_data, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } break; case UDS_SERVICES_RFT: { unsigned mode_of_op; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rft_mode_of_operation, tvb, offset, 1, ENC_NA, &mode_of_op); offset += 1; if (sid & UDS_REPLY_MASK) { if (mode_of_op != UDS_RFT_MODE_DELETE_FILE) { uint32_t length_max_num_block_len; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rft_length_format_identifier, tvb, offset, 1, ENC_NA, &length_max_num_block_len); offset += 1; proto_tree_add_item(uds_tree, hf_uds_rft_max_num_of_block_length, tvb, offset, length_max_num_block_len, ENC_BIG_ENDIAN); offset += length_max_num_block_len; } if (mode_of_op != UDS_RFT_MODE_DELETE_FILE) { proto_tree_add_item(uds_tree, hf_uds_compression_method, tvb, offset, 1, ENC_NA); proto_tree_add_item(uds_tree, hf_uds_encrypting_method, tvb, offset, 1, ENC_NA); offset += 1; } if (mode_of_op != UDS_RFT_MODE_ADD_FILE && mode_of_op != UDS_RFT_MODE_DELETE_FILE && mode_of_op != UDS_RFT_MODE_REPLACE_FILE && mode_of_op != UDS_RFT_MODE_RESUME_FILE) { unsigned length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rft_file_size_or_dir_info_param_length, tvb, offset, 2, ENC_BIG_ENDIAN, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_rft_file_size_uncompressed_or_dir_info_length, tvb, offset, length_field, ENC_BIG_ENDIAN); offset += length_field; if (mode_of_op != UDS_RFT_MODE_READ_DIR) { proto_tree_add_item(uds_tree, hf_uds_rft_file_size_compressed, tvb, offset, length_field, ENC_BIG_ENDIAN); offset += length_field; } } if (mode_of_op != UDS_RFT_MODE_ADD_FILE && mode_of_op != UDS_RFT_MODE_DELETE_FILE && mode_of_op != UDS_RFT_MODE_REPLACE_FILE && mode_of_op != UDS_RFT_MODE_READ_FILE && mode_of_op != UDS_RFT_MODE_READ_DIR) { proto_tree_add_item(uds_tree, hf_uds_rft_file_position, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } } else { unsigned length_field; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rft_length_of_file_path_and_name, tvb, offset, 2, ENC_BIG_ENDIAN, &length_field); offset += 2; proto_tree_add_item(uds_tree, hf_uds_rft_file_path_and_name, tvb, offset, length_field, ENC_ASCII); offset += length_field; if (mode_of_op != UDS_RFT_MODE_DELETE_FILE && mode_of_op != UDS_RFT_MODE_READ_DIR) { proto_tree_add_item(uds_tree, hf_uds_compression_method, tvb, offset, 1, ENC_NA); proto_tree_add_item(uds_tree, hf_uds_encrypting_method, tvb, offset, 1, ENC_NA); offset += 1; } if (mode_of_op != UDS_RFT_MODE_DELETE_FILE && mode_of_op != UDS_RFT_MODE_READ_FILE && mode_of_op != UDS_RFT_MODE_READ_DIR) { uint32_t fileSizeParameterLength; proto_tree_add_item_ret_uint(uds_tree, hf_uds_rft_file_size_param_length, tvb, offset, 1, ENC_NA, &fileSizeParameterLength); offset += 1; uint64_t filesize_uncompressed, filesize_compressed; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_rft_file_size_uncompressed, tvb, offset, fileSizeParameterLength, ENC_BIG_ENDIAN, &filesize_uncompressed); offset += fileSizeParameterLength; proto_tree_add_item_ret_uint64(uds_tree, hf_uds_rft_file_size_compressed, tvb, offset, fileSizeParameterLength, ENC_BIG_ENDIAN, &filesize_compressed); offset += fileSizeParameterLength; } } } break; case UDS_SERVICES_WMBA: offset = dissect_uds_memory_addr_size(tvb, pinfo, uds_tree, offset, false); if (sid & UDS_REPLY_MASK) { /* do nothing */ } else { if (offset < data_length) { proto_tree_add_item(uds_tree, hf_uds_data_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } } break; case UDS_SERVICES_TP: offset = dissect_uds_subfunction(tvb, pinfo, uds_tree, offset, &enum_val, hf_uds_tp_subfunction_no_suppress, NULL, !(sid & UDS_REPLY_MASK)); break; case UDS_SERVICES_ERR: proto_tree_add_item_ret_uint(uds_tree, hf_uds_err_sid, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str_ext(enum_val, &uds_services_ext, "Unknown (0x%02x)")); offset += 1; proto_tree_add_item_ret_uint(uds_tree, hf_uds_err_code, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " (NRC: %s)", val_to_str_ext(enum_val, &uds_response_codes_ext, "Unknown (0x%02x)")); offset += 1; break; case UDS_SERVICES_SDT: { static int * const admin_param_flags[] = { &hf_uds_sdt_administrative_param_resp_sign_req, &hf_uds_sdt_administrative_param_signed, &hf_uds_sdt_administrative_param_encrypted, &hf_uds_sdt_administrative_param_pre_estab_key, &hf_uds_sdt_administrative_param_req, NULL }; uint64_t addmin_param; proto_tree_add_bitmask_with_flags_ret_uint64(uds_tree, tvb, offset, hf_uds_sdt_administrative_param, ett_uds_sdt_admin_param, admin_param_flags, ENC_NA, BMT_NO_APPEND, &addmin_param); offset += 2; proto_tree_add_item(uds_tree, hf_uds_sdt_signature_encryption_calculation, tvb, offset, 1, ENC_NA); offset += 1; uint32_t sig_length; proto_tree_add_item_ret_uint(uds_tree, hf_uds_sdt_signature_length, tvb, offset, 2, ENC_BIG_ENDIAN, &sig_length); offset += 2; proto_tree_add_item(uds_tree, hf_uds_sdt_anti_replay_counter, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (offset + sig_length < data_length) { uint32_t encap_length = data_length - offset - sig_length; ti = proto_tree_add_item(uds_tree, hf_uds_sdt_encapsulated_message, tvb, offset, encap_length, ENC_NA); if ((addmin_param & UDS_SDT_ADMIN_PARAM_ENCRYPTED) == 0) { proto_tree *encap_tree = proto_item_add_subtree(ti, ett_uds_sdt_encap_message); proto_tree_add_item(encap_tree, hf_uds_sdt_encapsulated_message_sid, tvb, offset, 1, ENC_NA); proto_tree_add_item(encap_tree, hf_uds_sdt_encapsulated_message_sid_reply, tvb, offset, 1, ENC_NA); } offset += encap_length; } proto_tree_add_item(uds_tree, hf_uds_sdt_signature_mac, tvb, offset, sig_length, ENC_NA); offset += sig_length; } break; case UDS_SERVICES_CDTCS: if ((sid & UDS_REPLY_MASK)) { proto_tree_add_item_ret_uint(uds_tree, hf_uds_cdtcs_type, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_cdtcs_types, "Unknown (0x%02x)")); offset += 1; } else { ti = proto_tree_add_item(uds_tree, hf_uds_cdtcs_subfunction, tvb, offset, 1, ENC_NA); subfunction_tree = proto_item_add_subtree(ti, ett_uds_subfunction); proto_tree_add_item_ret_uint(subfunction_tree, hf_uds_cdtcs_subfunction_no_suppress, tvb, offset, 1, ENC_NA, &enum_val); proto_tree_add_item(subfunction_tree, hf_uds_cdtcs_subfunction_pos_rsp_msg_ind, tvb, offset, 1, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_cdtcs_types, "Unknown (0x%02x)")); offset += 1; if (data_length - offset > 0) { proto_tree_add_item(uds_tree, hf_uds_cdtcs_option_record, tvb, offset, data_length - offset, ENC_NA); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", tvb_bytes_to_str_punct(pinfo->pool, tvb, offset, data_length - offset, ' ')); offset = data_length; } } break; case UDS_SERVICES_ROE: /* TODO UDS_SERVICES_ROE 0x86*/ break; case UDS_SERVICES_LC: ti = proto_tree_add_item(uds_tree, hf_uds_lc_subfunction, tvb, offset, 1, ENC_NA); /* do not increase offset, since reply uses the same byte with different mask! */ subfunction_tree = proto_item_add_subtree(ti, ett_uds_subfunction); proto_tree_add_item_ret_uint(subfunction_tree, hf_uds_lc_subfunction_no_suppress, tvb, offset, 1, ENC_NA, &enum_val); col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str(enum_val, uds_lc_types, "Unknown (0x%02x)")); if (sid & UDS_REPLY_MASK) { offset += 1; } else { proto_tree_add_item(subfunction_tree, hf_uds_lc_subfunction_pos_rsp_msg_ind, tvb, offset, 1, ENC_NA); offset += 1; switch (enum_val) { case UDS_LC_TYPES_VMTWFP: { unsigned control_mode_id; proto_tree_add_item_ret_uint(uds_tree, hf_uds_lc_control_mode_id, tvb, offset, 1, ENC_NA, &control_mode_id); col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", val_to_str(control_mode_id, uds_lc_lcmi_types, "Unknown (0x%02x)")); offset += 1; } break; case UDS_LC_TYPES_VMTWSP: proto_tree_add_item(uds_tree, hf_uds_lc_link_record, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; break; case UDS_LC_TYPES_TM: /* do nothing */ break; } } break; } if (data_length - offset > 0) { proto_tree_add_item(uds_tree, hf_uds_unparsed_bytes, tvb, offset, data_length - offset, ENC_NA); } return data_length; } static int dissect_uds_no_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return dissect_uds_internal(tvb, pinfo, tree, 0, 0, 0, 0); } static int dissect_uds_doip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { DISSECTOR_ASSERT(data); doip_info_t *doip_info = (doip_info_t *)data; return dissect_uds_internal(tvb, pinfo, tree, doip_info->source_address, doip_info->target_address, 2, 2); } static int dissect_uds_hsfz(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { DISSECTOR_ASSERT(data); hsfz_info_t *hsfz_info = (hsfz_info_t *)data; return dissect_uds_internal(tvb, pinfo, tree, hsfz_info->source_address, hsfz_info->target_address, 2, 1); } static int dissect_uds_iso15765(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { DISSECTOR_ASSERT(data); iso15765_info_t *info = (iso15765_info_t *)data; return dissect_uds_internal(tvb, pinfo, tree, info->source_address, info->target_address, info->number_of_addresses_valid, info->address_length); } static int dissect_uds_iso10681(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { DISSECTOR_ASSERT(data); iso10681_info_t *info = (iso10681_info_t *)data; return dissect_uds_internal(tvb, pinfo, tree, info->source_address, info->target_address, 2, 2); } static void pref_update_uds(void) { if (uds_ht_routine_ids && uds_uat_routine_id_num == 0) { g_hash_table_destroy(uds_ht_routine_ids); uds_ht_routine_ids = NULL; } if (uds_ht_data_ids && uds_uat_data_id_num == 0) { g_hash_table_destroy(uds_ht_data_ids); uds_ht_data_ids = NULL; } if (uds_ht_dtc_ids && uds_uat_dtc_id_num == 0) { g_hash_table_destroy(uds_ht_dtc_ids); uds_ht_dtc_ids = NULL; } } void proto_register_uds(void) { module_t* uds_module; static hf_register_info hf[] = { { &hf_uds_diag_addr, { "Diagnostic Address", "uds.diag_addr", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_diag_addr_name, { "Diagnostic Address Name", "uds.diag_addr_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_diag_source_addr, { "Diagnostic Source Address", "uds.diag_addr_source", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_diag_source_addr_name, { "Diagnostic Source Address Name", "uds.diag_addr_source_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_diag_target_addr, { "Diagnostic Target Address", "uds.diag_addr_target", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_diag_target_addr_name, { "Diagnostic Target Address Name", "uds.diag_addr_target_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_service, { "Service Identifier", "uds.sid", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_services_ext), UDS_SID_MASK, NULL, HFILL } }, { &hf_uds_reply, { "Reply Flag", "uds.reply", FT_UINT8, BASE_HEX, NULL, UDS_REPLY_MASK, NULL, HFILL } }, { &hf_uds_subfunction, { "SubFunction", "uds.subfunction", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_suppress_pos_rsp_msg_ind, { "Suppress reply", "uds.suppress_reply.indication", FT_BOOLEAN, 8, NULL, UDS_SUPPRESS_POS_RSP_MSG_IND_MASK, NULL, HFILL } }, { &hf_uds_data_record, { "Data Record", "uds.data_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_compression_method, { "Compression Method", "uds.compression_method", FT_UINT8, BASE_HEX, NULL, UDS_RD_COMPRESSION_METHOD_MASK, NULL, HFILL } }, { &hf_uds_encrypting_method, { "Encrypting Method", "uds.encrypting_method", FT_UINT8, BASE_HEX, NULL, UDS_RD_ENCRYPTING_METHOD_MASK, NULL, HFILL } }, { &hf_uds_memory_size_length, { "Memory size length", "uds.memory_size_length", FT_UINT8, BASE_HEX, NULL, UDS_RD_MEMORY_SIZE_LENGTH_MASK, NULL, HFILL } }, { &hf_uds_memory_address_length, { "Memory address length", "uds.memory_address_length", FT_UINT8, BASE_HEX, NULL, UDS_RD_MEMORY_ADDRESS_LENGTH_MASK, NULL, HFILL } }, { &hf_uds_memory_address, { "Memory Address", "uds.memory_address", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_memory_size, { "Memory Size", "uds.memory_size", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_max_block_len_len, { "Length of Max Block Length", "uds.max_block_length_length", FT_UINT8, BASE_HEX, NULL, UDS_RD_MAX_BLOCK_LEN_LEN_MASK, NULL, HFILL } }, { &hf_uds_max_block_len, { "Max Block Length", "uds.max_block_length", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dsc_subfunction, { "SubFunction", "uds.dsc.subfunction", FT_UINT8, BASE_HEX, VALS(uds_dsc_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_dsc_suppress_pos_rsp_msg_ind, { "Suppress reply", "uds.dsc.suppress_reply.indication", FT_BOOLEAN, 8, NULL, UDS_SUPPRESS_POS_RSP_MSG_IND_MASK, NULL, HFILL } }, { &hf_uds_dsc_parameter_record, { "Parameter Record", "uds.dsc.parameter_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dsc_default_p2_server_timer, { "Default P2 Server Timer", "uds.dsc.p2_server_time_default", FT_UINT16, BASE_DEC | BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL } }, /* Header field is actually only 16bit but has to be scaled up by 10x. */ { &hf_uds_dsc_enhanced_p2_server_timer, { "Enhanced P2 Server Timer", "uds.dsc.p2_server_time_enhanced", FT_UINT32, BASE_DEC | BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL } }, { &hf_uds_er_subfunction, { "SubFunction", "uds.er.subfunction", FT_UINT8, BASE_HEX, VALS(uds_er_types), 0x0, NULL, HFILL } }, { &hf_uds_er_power_down_time, { "Power Down Time", "uds.er.power_down_time", FT_UINT8, BASE_DEC | BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL } }, { &hf_uds_cdtci_group_of_dtc, { "Group of DTC", "uds.cdtci.group_of_dtc", FT_UINT24, BASE_HEX, VALS(uds_cdtci_group_of_dtc), 0x0, NULL, HFILL } }, { &hf_uds_cdtci_memory_selection, { "Memory Selection", "uds.cdtci.memory_selection", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_subfunction, { "SubFunction", "uds.rdtci.subfunction", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_rdtci_types_ext), 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask, { "DTC Status Mask", "uds.rdtci.dtc_status_mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_tf, { "(Last) Test Failed", "uds.rdtci.dtc_status_mask.tf", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_tftoc, { "Test Failed This Operation Cycle", "uds.rdtci.dtc_status_mask.tftoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_pdtc, { "Pending DTC", "uds.rdtci.dtc_status_mask.pdtc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_PENDING_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_cdtc, { "Confirmed DTC", "uds.rdtci.dtc_status_mask.ctdc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_CONFIRMED_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_tncslc, { "Test Not Completed Since Last Clear", "uds.rdtci.dtc_status_mask.tncslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_tfslc, { "Test Failed Since Last Clear", "uds.rdtci.dtc_status_mask.tfslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_tnctoc, { "Test Not Completed This Operation Cycle", "uds.rdtci.dtc_status_mask.tnctoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_mask_wir, { "Warning Indicator Requested", "uds.rdtci.dtc_status_mask.wir", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_WARNING_INDICATOR_REQUESTED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_mask_record, { "DTC Mask Record", "uds.rdtci.dtc_mask_record", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_snapshot_rec_no, { "DTC Snapshot Record Number", "uds.rdtci.dtc_snapshot_record_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_stored_data_rec_no, { "DTC Stored Data Record Number", "uds.rdtci.dtc_stored_data_record_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_ext_data_rec_no, { "DTC Extended Data Record Number", "uds.rdtci.dtc_extended_data_record_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_severity_mask, { "DTC Severity Mask", "uds.rdtci.dtc_severity_mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_memory_selection, { "Memory Selection", "uds.rdtci.memory_selection", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_user_def_dtc_snapshot_rec_no, { "User Defined DTC Snapshot Record Number", "uds.rdtci.user_def_dtc_snapshot_record_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_functional_group_id, { "Functional Group Identifier", "uds.rdtci.functional_group_id", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_readiness_group_id, { "DTC Readiness Group Identifier", "uds.rdtci.dtc_readiness_group_id", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail, { "DTC Status Availability Mask", "uds.rdtci.dtc_status_availability_mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_tf, { "Test Failed", "uds.rdtci.dtc_status_avail_mask.tf", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_tftoc, { "Test Failed This Operation Cycle", "uds.rdtci.dtc_status_avail_mask.tftoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_pdtc, { "Pending DTC", "uds.rdtci.dtc_status_avail_mask.pdtc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_PENDING_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_cdtc, { "Confirmed DTC", "uds.rdtci.dtc_status_avail_mask.ctdc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_CONFIRMED_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_tncslc,{ "Test Not Completed Since Last Clear", "uds.rdtci.dtc_status_avail_mask.tncslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_tfslc, { "Test Failed Since Last Clear", "uds.rdtci.dtc_status_avail_mask.tfslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_tnctoc, { "Test Not Completed This Operation Cycle", "uds.rdtci.dtc_status_avail_mask.tnctoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_avail_wir, { "Warning Indicator Requested", "uds.rdtci.dtc_status_avail_mask.wir", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_WARNING_INDICATOR_REQUESTED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_id, { "DTC Identifier", "uds.rdtci.dtc_id", FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status, { "DTC Status", "uds.rdtci.dtc_status", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_tf, { "Test Failed", "uds.rdtci.dtc_status.tf", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_tftoc, { "Test Failed This Operation Cycle", "uds.rdtci.dtc_status.tftoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_pdtc, { "Pending DTC", "uds.rdtci.dtc_status.pdtc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_PENDING_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_cdtc, { "Confirmed DTC", "uds.rdtci.dtc_status.ctdc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_CONFIRMED_DTC, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_tncslc, { "Test Not Completed Since Last Clear", "uds.rdtci.dtc_status.tncslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_tfslc, { "Test Failed Since Last Clear", "uds.rdtci.dtc_status.tfslc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_FAILED_SINCE_LAST_CLEAR, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_tnctoc, { "Test Not Completed This Operation Cycle", "uds.rdtci.dtc_status.tnctoc", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_TEST_NOT_COMPL_THIS_OPER_CYCLE, NULL, HFILL } }, { &hf_uds_rdtci_dtc_status_wir, { "Warning Indicator Requested", "uds.rdtci.dtc_status.wir", FT_BOOLEAN, 8, NULL, UDS_RDTCI_DTC_STATUS_WARNING_INDICATOR_REQUESTED, NULL, HFILL } }, { &hf_uds_rdtci_dtc_format_id, { "DTC Format Identifier", "uds.rdtci.dtc_format_id", FT_UINT8, BASE_HEX_DEC, VALS(uds_rdtci_format_id_types), 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_count, { "DTC Count", "uds.rdtci.dtc_count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_snapshot_record_number_of_ids, { "DTC Snapshot Record Number of IDs", "uds.rdtci.dtc_snapshot_record_number_of_ids", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_stored_data_record_number_of_ids, { "DTC Stored Data Record Number of IDs", "uds.rdtci.dtc_stored_data_record_number_of_ids", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_severity, { "DTC Severity", "uds.rdtci.dtc_severity", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_functional_unit, { "DTC Functional Unit", "uds.rdtci.dtc_functional_unit", FT_UINT8, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_fault_detect_counter, { "DTC Fault Detection Counter", "uds.rdtci.dtc_fault_detection_counter", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_dtc_severity_avail, { "DTC Severity Availability Mask", "uds.rdtci.dtc_severity_availability_mask", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_record, { "Record", "uds.rdtci.record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdtci_record_unparsed, { "Unparsed Record", "uds.rdtci.record_unparsed", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rdbi_data_identifier, { "Data Identifier", "uds.rdbi.data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_data_identifier, { "Data Identifier", "uds.rsdbi.data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_scaling_byte, { "Scaling Byte", "uds.rsdbi.scaling_byte", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_scaling_byte_data_type, { "Data Type", "uds.rsdbi.scaling_byte.data_type", FT_UINT8, BASE_HEX, VALS(uds_rsdbi_data_types), 0xF0, NULL, HFILL } }, { &hf_uds_rsdbi_scaling_byte_num_of_bytes, { "Number of Bytes", "uds.rsdbi.scaling_byte.number_of_Bytes", FT_UINT8, BASE_DEC, NULL, 0x0F, NULL, HFILL } }, { &hf_uds_rsdbi_validity_mask, { "Validity Mask", "uds.rsdbi.scaling_byte_ext.validity_mask", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_formula_identifier, { "Formula Identifier", "uds.rsdbi.scaling_byte_ext.formula_identifier", FT_UINT8, BASE_HEX, VALS(uds_rsdbi_formulas), 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_formula_constant, { "Constant", "uds.rsdbi.scaling_byte_ext.formula_constant", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rsdbi_formula_constant_exp, { "Exponent", "uds.rsdbi.scaling_byte_ext.formulat_constant_exp", FT_UINT16, BASE_HEX, NULL, 0xF000, NULL, HFILL } }, { &hf_uds_rsdbi_formula_constant_mantissa, { "Constant", "uds.rsdbi.scaling_byte_ext.formulat_constant", FT_UINT16, BASE_HEX, NULL, 0x0FFF, NULL, HFILL } }, { &hf_uds_rsdbi_unit, { "Unit Identifier", "uds.rsdbi.scaling_byte_ext.unit", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_rsdbi_units_ext), 0x0, NULL, HFILL } }, { &hf_uds_sa_subfunction, { "SubFunction", "uds.sa.subfunction", FT_UINT8, BASE_CUSTOM, CF_FUNC(uds_sa_subfunction_format), 0x0, NULL, HFILL } }, { &hf_uds_sa_key, { "Key", "uds.sa.key", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sa_seed, { "Seed", "uds.sa.seed", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_cc_subfunction_no_suppress, { "SubFunction (without Suppress)", "uds.cc.subfunction_without_suppress", FT_UINT8, BASE_HEX, VALS(uds_cc_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_cc_comm_type_and_subnet_number, { "Communication Type/Subnet Number", "uds.cc.comm_type_and_subnet_number", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_cc_communication_type, { "Communication Type", "uds.cc.communication_type", FT_UINT8, BASE_HEX, VALS(uds_cc_comm_types), UDS_CC_COMM_TYPE_COMM_TYPE_MASK, NULL, HFILL } }, { &hf_uds_cc_subnet_number, { "Subnet Number", "uds.cc.subnet_number", FT_UINT8, BASE_HEX, VALS(uds_cc_subnet_number_types), UDS_CC_COMM_TYPE_SUBNET_NUMBER_MASK, NULL, HFILL } }, { &hf_uds_cc_node_identifier_number, { "Node Identifier Number", "uds.cc.node_identifier_number", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_subfunction_no_suppress, { "SubFunction (without Suppress)", "uds.ars.subfunction_without_suppress", FT_UINT8, BASE_HEX, VALS(uds_ars_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_ars_comm_config, { "Communication Configuration", "uds.ars.communication_configuration", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_cert_client, { "Length of Certificate Client", "uds.ars.length_of_certificate_client", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_cert_client, { "Certificate Client", "uds.ars.certificate_client", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_cert_server, { "Length of Certificate Server", "uds.ars.length_of_certificate_server", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_cert_server, { "Certificate Server", "uds.ars.certificate_server", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_challenge_client, { "Length of Challenge Client", "uds.ars.length_of_challenge_client", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_challenge_client, { "Challenge Client", "uds.ars.challenge_client", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_challenge_server, { "Length of Challenge Server", "uds.ars.length_of_challenge_server", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_challenge_server, { "Challenge Server", "uds.ars.challenge_server", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_proof_of_ownership_client, { "Length of Proof of Ownership Client", "uds.ars.length_of_proof_of_ownership_client", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_proof_of_ownership_client, { "Proof of Ownership Client", "uds.ars.proof_of_ownership_client", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_proof_of_ownership_server, { "Length of Proof of Ownership Server", "uds.ars.length_of_proof_of_ownership_server", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_proof_of_ownership_server, { "Proof of Ownership Server", "uds.ars.proof_of_ownership_server", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_ephemeral_public_key_client, { "Length of Ephemeral Public Key Client", "uds.ars.length_of_ephemeral_public_key_client", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_ephemeral_public_key_client, { "Ephemeral Public Key Client", "uds.ars.ephemeral_public_key_client", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_ephemeral_public_key_server, { "Length of Ephemeral Public Key Server", "uds.ars.length_of_ephemeral_public_key_server", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_ephemeral_public_key_server, { "Ephemeral Public Key Server", "uds.ars.ephemeral_public_key_server", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_cert_eval_id, { "Certificate Evaluation ID", "uds.ars.certificate_evaluation_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_cert_data, { "Length of Certificate Data", "uds.ars.length_of_certificate_data", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_cert_data, { "Certificate Data", "uds.ars.certificate_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_algo_indicator, { "Algorithm Indicator", "uds.ars.algorithm_indicator", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_additional_parameter, { "Length of Additional Parameter", "uds.ars.length_of_additional_parameter", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_additional_parameter, { "Additional Parameter", "uds.ars.additional_parameter", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_needed_additional_parameter, { "Length of Needed Additional Parameter", "uds.ars.length_of_needed_additional_parameter", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_needed_additional_parameter, { "Needed Additional Parameter", "uds.ars.needed_additional_parameter", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_auth_ret_param, { "Authentication Return Parameter", "uds.ars.authentication_return_parameter", FT_UINT8, BASE_HEX, VALS(uds_ars_auth_ret_types), 0x0, NULL, HFILL } }, { &hf_uds_ars_length_of_session_key_info, { "Length of Session Key Info", "uds.ars.length_of_session_key_info", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_ars_session_key_info, { "Session Key Info", "uds.ars.session_key_info", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_signedCertificate, { "signedCertificate", "uds.signedCertificate_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_uds_rdbpi_transmission_mode, { "Transmission Mode", "uds.rdbpi.transmission_mode", FT_UINT8, BASE_HEX, VALS(uds_rdbpi_transmission_mode), 0x0, NULL, HFILL } }, { &hf_uds_rdbpi_periodic_data_identifier, { "Periodic Data Identifier", "uds.rdbpi.periodic_data_identifier", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dddi_subfunction_no_suppress, { "SubFunction (without Suppress)", "uds.dddi.subfunction_without_suppress", FT_UINT8, BASE_HEX, VALS(uds_dddi_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_dddi_dyn_defined_data_identifier, { "Dynamically Defined Data Identifier", "uds.dddi.dynamically_defined_data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dddi_source_data_identifier, { "Source Data Identifier", "uds.dddi.source_data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dddi_position_in_source_data_record, { "Position in Source Data Record", "uds.dddi.position_in_source_data_record", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_dddi_memory_size, { "Memory Size", "uds.dddi.memory_size", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_wdbi_data_identifier, { "Data Identifier", "uds.wdbi.data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_iocbi_data_identifier, { "Data Identifier", "uds.iocbi.data_identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_iocbi_parameter, { "Parameter", "uds.iocbi.parameter", FT_UINT8, BASE_HEX, VALS(uds_iocbi_parameters), 0x0, NULL, HFILL } }, { &hf_uds_iocbi_state, { "State", "uds.iocbi.state", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rc_subfunction, { "SubFunction", "uds.rc.subfunction", FT_UINT8, BASE_HEX, VALS(uds_rc_types), 0x0, NULL, HFILL } }, { &hf_uds_rc_identifier, { "Identifier", "uds.rc.identifier", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rc_option_record, { "Option record", "uds.rc.option_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rc_info, { "Info", "uds.rc.info", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rc_status_record, { "Status Record", "uds.rc.status_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_td_sequence_counter, { "Block Sequence Counter", "uds.td.block_sequence_counter", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_td_record_data, { "Parameter Record", "uds.td.parameter_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rte_record_data, { "Parameter Record", "uds.rte.parameter_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_mode_of_operation, { "Mode of Operation", "uds.rft.mode_of_operation", FT_UINT8, BASE_HEX, VALS(uds_rft_mode_types), 0x0, NULL, HFILL } }, { &hf_uds_rft_length_of_file_path_and_name, { "Length of File Path and Name", "uds.rft.length_of_file_path_and_name", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_path_and_name, { "File Path and Name", "uds.rft.file_path_and_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_size_param_length, { "File Size Parameter Length", "uds.rft.file_size_parameter_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_size_uncompressed, { "File Size Uncompressed", "uds.rft.file_size_uncompressed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_size_compressed, { "File Size Compressed", "uds.rft.file_size_compressed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_length_format_identifier, { "Length Format Identifier", "uds.rft.length_format_identifier", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_max_num_of_block_length, { "Max Number of Block Length", "uds.rft.max_number_of_block_length", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_size_or_dir_info_param_length, { "File Size or Dir Info Parameter Length", "uds.rft.file_size_or_dir_info_parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_size_uncompressed_or_dir_info_length, { "File Size Uncompressed or Dir Info Length", "uds.rft.file_size_uncompressed_or_dir_info_length", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_rft_file_position, { "File Position", "uds.rft.file_position", FT_UINT64, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_tp_subfunction_no_suppress, { "SubFunction (without Suppress)", "uds.tp.subfunction_without_suppress", FT_UINT8, BASE_HEX, NULL, UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_err_sid, { "Service Identifier", "uds.err.sid", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_services_ext), 0x0, NULL, HFILL } }, { &hf_uds_err_code, { "Code", "uds.err.code", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_response_codes_ext), 0x0, NULL, HFILL } }, { &hf_uds_sdt_administrative_param, { "Administrative Parameter", "uds.sdt.admin_param", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sdt_administrative_param_req, { "Request message", "uds.sdt.admin_param.request", FT_BOOLEAN, 16, NULL, UDS_SDT_ADMIN_PARAM_REQ, NULL, HFILL } }, { &hf_uds_sdt_administrative_param_pre_estab_key, { "Pre-established key is used", "uds.sdt.admin_param.pre_estab_key", FT_BOOLEAN, 16, NULL, UDS_SDT_ADMIN_PARAM_PRE_ESTABL_KEY, NULL, HFILL } }, { &hf_uds_sdt_administrative_param_encrypted, { "Message is encrypted", "uds.sdt.admin_param.encrypted", FT_BOOLEAN, 16, NULL, UDS_SDT_ADMIN_PARAM_ENCRYPTED, NULL, HFILL } }, { &hf_uds_sdt_administrative_param_signed, { "Message is signed", "uds.sdt.admin_param.signed", FT_BOOLEAN, 16, NULL, UDS_SDT_ADMIN_PARAM_SIGNED, NULL, HFILL } }, { &hf_uds_sdt_administrative_param_resp_sign_req, { "Signature on the response is requested", "uds.sdt.admin_param.resp_sign_req", FT_BOOLEAN, 16, NULL, UDS_SDT_ADMIN_PARAM_SIGN_ON_RESP_REQ, NULL, HFILL } }, { &hf_uds_sdt_signature_encryption_calculation, { "Signature/Encryption Calculation", "uds.sdt.signature_encryption_calculation", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sdt_signature_length, { "Signature/MAC Length", "uds.sdt.signature_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sdt_anti_replay_counter, { "Anti-replay Counter", "uds.sdt.anti_replay_counter", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sdt_encapsulated_message, { "Encapsulated Message", "uds.sdt.encapsulated_message", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_sdt_encapsulated_message_sid, { "Service Identifier", "uds.sdt.encapsulated_message.sid", FT_UINT8, BASE_HEX | BASE_EXT_STRING, VALS_EXT_PTR(&uds_services_ext), UDS_SID_MASK, NULL, HFILL } }, { &hf_uds_sdt_encapsulated_message_sid_reply, { "Reply Flag", "uds.sdt.encapsulated_message.reply", FT_UINT8, BASE_HEX, NULL, UDS_REPLY_MASK, NULL, HFILL } }, { &hf_uds_sdt_signature_mac, { "Signature/MAC", "uds.sdt.signature_mac", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_cdtcs_subfunction, { "SubFunction", "uds.cdtcs.subfunction", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_cdtcs_subfunction_no_suppress, { "DTC Setting Type", "uds.cdtcs.subfunction_without_suppress", FT_UINT8, BASE_HEX, VALS(uds_cdtcs_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_cdtcs_subfunction_pos_rsp_msg_ind, { "Suppress reply", "uds.cdtcs.suppress_reply", FT_BOOLEAN, 8, NULL, UDS_SUPPRESS_POS_RSP_MSG_IND_MASK, NULL, HFILL } }, { &hf_uds_cdtcs_option_record, { "Option Record", "uds.cdtcs.option_record", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_cdtcs_type, { "DTC Setting Type", "uds.cdtcs.dtc_setting_type", FT_UINT8, BASE_HEX, VALS(uds_cdtcs_types), 0x0, NULL, HFILL } }, { &hf_uds_lc_subfunction, { "SubFunction", "uds.lc.subfunction", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_lc_subfunction_no_suppress, { "SubFunction (without Suppress)", "uds.lc.subfunction_without_suppress", FT_UINT8, BASE_HEX, VALS(uds_lc_types), UDS_SUBFUNCTION_MASK, NULL, HFILL } }, { &hf_uds_lc_subfunction_pos_rsp_msg_ind, { "Suppress reply", "uds.lc.suppress_reply", FT_BOOLEAN, 8, NULL, UDS_SUPPRESS_POS_RSP_MSG_IND_MASK, NULL, HFILL } }, { &hf_uds_lc_control_mode_id, { "Link Control Mode Identifier", "uds.lc.link_control_mode_identifier", FT_UINT8, BASE_HEX, VALS(uds_lc_lcmi_types), 0x0, NULL, HFILL } }, { &hf_uds_lc_link_record, { "Link Record", "uds.lc.link_record", FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_did_reply_f186_diag_session, { "Diagnostic Session", "uds.did_f186.diagnostic_session", FT_UINT8, BASE_HEX, VALS(uds_dsc_types), 0x0, NULL, HFILL } }, { &hf_uds_did_reply_f190_vin, { "VIN", "uds.did_f190.vin", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_uds_did_reply_ff00_version, { "Version", "uds.did_ff00.version", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_uds_did_reply_ff01_dlc_support, { "DLC Supports", "uds.did_ff01.dlc_supports", FT_UINT8, BASE_HEX, VALS(uds_did_resrvdcpadlc_types), 0x0, NULL, HFILL } }, { &hf_uds_unparsed_bytes, { "Unparsed Bytes", "uds.unparsed_bytes", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; uat_t* uds_routine_ids_uat; uat_t* uds_data_ids_uat; uat_t* uds_dtc_ids_uat; uat_t* uds_address_uat; /* Setup protocol subtree array */ static int *ett[] = { &ett_uds, &ett_uds_subfunction, &ett_uds_dtc_status_entry, &ett_uds_dtc_status_bits, &ett_uds_dtc_snapshot_entry, &ett_uds_dtc_counter_entry, &ett_uds_dsc_parameter_record, &ett_uds_rsdbi_scaling_byte, &ett_uds_rsdbi_formula_constant, &ett_uds_cc_communication_type, &ett_uds_ars_certificate, &ett_uds_ars_algo_indicator, &ett_uds_dddi_entry, &ett_uds_sdt_admin_param, &ett_uds_sdt_encap_message, }; proto_uds = proto_register_protocol ( "Unified Diagnostic Services", /* name */ "UDS", /* short name */ "uds" /* abbrev */ ); proto_register_field_array(proto_uds, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); uds_handle = register_dissector("uds", dissect_uds_no_data, proto_uds); uds_handle_doip = register_dissector("uds_over_doip", dissect_uds_doip, proto_uds); uds_handle_hsfz = register_dissector("uds_over_hsfz", dissect_uds_hsfz, proto_uds); uds_handle_iso10681 = register_dissector("uds_over_iso10681", dissect_uds_iso10681, proto_uds); uds_handle_iso15765 = register_dissector("uds_over_iso15765", dissect_uds_iso15765, proto_uds); /* Register preferences */ uds_module = prefs_register_protocol(proto_uds, &pref_update_uds); /* UATs for user_data fields */ static uat_field_t uds_routine_id_uat_fields[] = { UAT_FLD_HEX(uds_uat_routine_ids, address, "Address", "Address (16bit hex without leading 0x, 0xffffffff for 'any')"), UAT_FLD_HEX(uds_uat_routine_ids, id, "Routine ID", "Routine Identifier (16bit hex without leading 0x)"), UAT_FLD_CSTRING(uds_uat_routine_ids, name, "Routine Name", "Name of the Routine ID (string)"), UAT_END_FIELDS }; uds_routine_ids_uat = uat_new("UDS Routine Identifier List", sizeof(generic_addr_id_string_t), /* record size */ DATAFILE_UDS_ROUTINE_IDS, /* filename */ true, /* from profile */ (void**)&uds_uat_routine_ids, /* data_ptr */ &uds_uat_routine_id_num, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_generic_one_id_string_cb, /* copy callback */ update_generic_addr_16bit_id_16bit, /* update callback */ free_generic_one_id_string_cb, /* free callback */ post_update_uds_routine_cb, /* post update callback */ NULL, /* reset callback */ uds_routine_id_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(uds_module, "_uds_routine_id_list", "UDS Routine Identifier List", "A table to define names of UDS Routines", uds_routine_ids_uat); static uat_field_t uds_data_id_uat_fields[] = { UAT_FLD_HEX(uds_uat_data_ids, address, "Address", "Address (16bit hex without leading 0x, 0xffffffff for 'any')"), UAT_FLD_HEX(uds_uat_data_ids, id, "Data ID", "Data Identifier (16bit hex without leading 0x)"), UAT_FLD_CSTRING(uds_uat_data_ids, name, "Data Name", "Name of the Data ID (string)"), UAT_END_FIELDS }; uds_data_ids_uat = uat_new("UDS Data Identifier List", sizeof(generic_addr_id_string_t), /* record size */ DATAFILE_UDS_DATA_IDS, /* filename */ true, /* from profile */ (void**)&uds_uat_data_ids, /* data_ptr */ &uds_uat_data_id_num, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_generic_one_id_string_cb, /* copy callback */ update_generic_addr_16bit_id_16bit, /* update callback */ free_generic_one_id_string_cb, /* free callback */ post_update_uds_data_cb, /* post update callback */ NULL, /* reset callback */ uds_data_id_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(uds_module, "_uds_data_id_list", "UDS Data Identifier List", "A table to define names of UDS Data Identifier", uds_data_ids_uat); static uat_field_t uds_dtc_id_uat_fields[] = { UAT_FLD_HEX(uds_uat_dtc_ids, address, "Address", "Address (16bit hex without leading 0x, 0xffffffff for 'any')"), UAT_FLD_HEX(uds_uat_dtc_ids, id, "DTC ID", "Data Identifier (24bit hex without leading 0x)"), UAT_FLD_CSTRING(uds_uat_dtc_ids, name, "DTC Name", "Name of the Data ID (string)"), UAT_END_FIELDS }; uds_dtc_ids_uat = uat_new("UDS DTC Identifier List", sizeof(generic_addr_id_string_t), /* record size */ DATAFILE_UDS_DTC_IDS, /* filename */ true, /* from profile */ (void**)&uds_uat_dtc_ids, /* data_ptr */ &uds_uat_dtc_id_num, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_generic_one_id_string_cb, /* copy callback */ update_generic_addr_16bit_id_24bit, /* update callback */ free_generic_one_id_string_cb, /* free callback */ post_update_uds_dtc_cb, /* post update callback */ NULL, /* reset callback */ uds_dtc_id_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(uds_module, "_uds_dtc_id_list", "UDS DTC Identifier List", "A table to define names of UDS DTC Identifier", uds_dtc_ids_uat); static uat_field_t uds_address_name_uat_fields[] = { UAT_FLD_HEX(uds_uat_addresses, address, "Address", "Address (32bit hex without leading 0x)"), UAT_FLD_CSTRING(uds_uat_addresses, name, "Name", "Name of the Address (string)"), UAT_END_FIELDS }; uds_address_uat = uat_new("UDS Addresses", sizeof(address_string_t), /* record size */ DATAFILE_UDS_ADDRESSES, /* filename */ true, /* from profile */ (void**)&uds_uat_addresses, /* data_ptr */ &uds_uat_addresses_num, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_address_string_cb, /* copy callback */ update_address_string_cb, /* update callback */ free_address_string_cb, /* free callback */ post_update_uds_address_cb, /* post update callback */ NULL, /* reset callback */ uds_address_name_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(uds_module, "_uds_address_list", "UDS Address List", "A table to define names of UDS Addresses", uds_address_uat); prefs_register_bool_preference(uds_module, "dissect_small_sids_with_obd_ii", "Dissect Service Identifiers smaller 0x10 with OBD II Dissector?", "Dissect Service Identifiers smaller 0x10 with OBD II Dissector?", &uds_dissect_small_sids_with_obd_ii); prefs_register_enum_preference(uds_module, "cert_decode_strategy", "Certificate Decoding Strategy", "Decide how the certificate bytes are decoded", &uds_certificate_decoding_config, certificate_decoding_vals, false); prefs_register_bool_preference(uds_module, "do_clear_info_col", "Show only UDS in the Info Column", "Show only UDS in the Info Column?", &uds_clear_info_col); heur_subdissector_list = register_heur_dissector_list_with_description("uds", "UDS RDBI data", proto_uds); } void proto_reg_handoff_uds(void) { dissector_add_for_decode_as("iso10681.subdissector", uds_handle_iso10681); dissector_add_for_decode_as("iso15765.subdissector", uds_handle_iso15765); obd_ii_handle = find_dissector("obd-ii-uds"); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */