% Regression tests for the UDS layer # More information at http://www.secdev.org/projects/UTscapy/ ############ ############ + Basic operations = Load module load_contrib("automotive.uds", globals_dict=globals()) load_contrib("automotive.ecu", globals_dict=globals()) from scapy.contrib.automotive.uds_ecu_states import * = Check if positive response answers dsc = UDS(b'\x10') dscpr = UDS(b'\x50') assert dscpr.answers(dsc) = Check hashret dsc.hashret() == dscpr.hashret() = Check if negative response answers dsc = UDS(b'\x10') neg = UDS(b'\x7f\x10\x00') assert neg.answers(dsc) = CHECK hashret NEG dsc.hashret() == neg.hashret() = Check if negative response answers not dsc = UDS(b'\x10') neg = UDS(b'\x7f\x11\x00') assert not neg.answers(dsc) = Check if positive response answers not dsc = UDS(b'\x10') somePacket = UDS(b'\x49') assert not somePacket.answers(dsc) = Check UDS_DSC dsc = UDS(b'\x10\x01') assert dsc.service == 0x10 assert dsc.diagnosticSessionType == 0x01 = Check UDS_DSC dsc = UDS()/UDS_DSC(b'\x01') assert dsc.service == 0x10 assert dsc.diagnosticSessionType == 0x01 = Check UDS_DSCPR dscpr = UDS(b'\x50\x02beef') assert dscpr.service == 0x50 assert dscpr.diagnosticSessionType == 0x02 assert not dscpr.answers(dsc) = Check UDS_DSCPR dscpr = UDS()/UDS_DSCPR(b'\x01beef') assert dscpr.service == 0x50 assert dscpr.diagnosticSessionType == 0x01 assert dscpr.sessionParameterRecord == b"beef" assert dscpr.answers(dsc) = Check UDS_DSC dsc = UDS()/UDS_DSC(b'\x01') assert dsc.service == 0x10 assert dsc.diagnosticSessionType == 0x01 = Check UDS_DSCPR dscpr = UDS()/UDS_DSCPR(b'\x01beef') assert dscpr.service == 0x50 assert dscpr.diagnosticSessionType == 0x01 assert dscpr.sessionParameterRecord == b"beef" assert dscpr.answers(dsc) = Check UDS_DSC modifies ecu state dsc = UDS()/UDS_DSC(b'\x09') assert dsc.service == 0x10 assert dsc.diagnosticSessionType == 0x09 = Check UDS_DSCPR modifies ecu state dscpr = UDS()/UDS_DSCPR(b'\x09beef') assert dscpr.service == 0x50 assert dscpr.diagnosticSessionType == 0x09 assert dscpr.sessionParameterRecord == b"beef" ecu = Ecu() ecu.update(dsc) ecu.update(dscpr) assert ecu.state.session == 9 = Check UDS_ER er = UDS(b'\x11\x01') assert er.service == 0x11 assert er.resetType == 0x01 = Check UDS_ER er = UDS()/UDS_ER(resetType="hardReset") assert er.service == 0x11 assert er.resetType == 0x01 = Check UDS_ERPR erpr = UDS(b'\x51\x01') assert erpr.service == 0x51 assert erpr.resetType == 0x01 assert erpr.answers(er) = Check UDS_ERPR erpr = UDS(b'\x51\x04\x10') assert erpr.service == 0x51 assert erpr.resetType == 0x04 assert erpr.powerDownTime == 0x10 = Check UDS_ERPR modifies ecu state erpr = UDS(b'\x51\x01') assert erpr.service == 0x51 assert erpr.resetType == 0x01 ecu = Ecu() ecu.state.security_level = 5 ecu.state.session = 3 ecu.state.communication_control = 4 ecu.update(er) ecu.update(erpr) assert ecu.state.session == 1 = Check UDS_SA sa = UDS(b'\x27\x00c0ffee') assert sa.service == 0x27 assert sa.securityAccessType == 0x0 assert sa.securityKey == b'c0ffee' = Check UDS_SAPR sapr = UDS(b'\x67\x00') assert sapr.service == 0x67 assert sapr.securityAccessType == 0x0 assert sapr.answers(sa) = Check UDS_SA sa = UDS(b'\x27\x01c0ffee') assert sa.service == 0x27 assert sa.securityAccessType == 0x1 assert sa.securityAccessDataRecord == b'c0ffee' = Check UDS_SAPR sapr = UDS(b'\x67\x01c0ffee') assert sapr.service == 0x67 assert sapr.securityAccessType == 0x1 assert sapr.securitySeed == b'c0ffee' assert sapr.answers(sa) = Check UDS_SA sa = UDS(b'\x27\x06c0ffee') assert sa.service == 0x27 assert sa.securityAccessType == 0x6 assert sa.securityKey == b'c0ffee' = Check UDS_SAPR modifies ecu state sapr = UDS(b'\x67\x06') assert sapr.service == 0x67 assert sapr.securityAccessType == 0x6 ecu = Ecu() ecu.update(sa) ecu.update(sapr) assert ecu.state.security_level == 6 = Check UDS_SA sa = UDS(b'\x27\x01c0ffee') assert sa.service == 0x27 assert sa.securityAccessType == 0x1 assert sa.securityAccessDataRecord == b'c0ffee' = Check UDS_SAPR sapr = UDS(b'\x67\x01c0ffee') assert sapr.service == 0x67 assert sapr.securityAccessType == 0x1 assert sapr.securitySeed == b'c0ffee' = Check UDS_CC cc = UDS(b'\x28\x01\xff') assert cc.service == 0x28 assert cc.controlType == 0x1 assert cc.communicationType0 == 0x3 assert cc.communicationType1 == 0x3 assert cc.communicationType2 == 0xf = Check UDS_CCPR ccpr = UDS(b'\x68\x01') assert ccpr.service == 0x68 assert ccpr.controlType == 0x1 assert ccpr.answers(cc) = Check UDS_CCPR modifies ecu state ccpr = UDS(b'\x68\x01') assert ccpr.service == 0x68 assert ccpr.controlType == 0x1 ecu = Ecu() ecu.update(cc) ecu.update(ccpr) assert ecu.state.communication_control == 1 = Check UDS_AUTH auth = UDS(b"\x29\x00") assert auth.service == 0x29 assert auth.subFunction == 0x0 = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x0) assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x00\x00") assert authpr.service == 0x69 assert authpr.subFunction == 0x0 assert authpr.returnValue == 0x0 assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x0, returnValue=0x0) assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x01\x01\x00\x01\xFF\x00\x01\xFF") assert auth.service == 0x29 assert auth.subFunction == 0x1 assert auth.communicationConfiguration == 0x1 assert auth.lengthOfCertificateClient == 0x1 assert auth.certificateClient == b"\xFF" assert auth.lengthOfChallengeClient == 0x1 assert auth.challengeClient == b"\xFF" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x1, communicationConfiguration=0x1, certificateClient=b"\xFF", challengeClient=b"\xFF") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x01\x00\x00\x01\xFF\x00\x01\xFE") assert authpr.service == 0x69 assert authpr.subFunction == 0x1 assert authpr.returnValue == 0x0 assert authpr.lengthOfChallengeServer == 0x1 assert authpr.challengeServer == b"\xFF" assert authpr.lengthOfEphemeralPublicKeyServer == 0x1 assert authpr.ephemeralPublicKeyServer == b"\xFE" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x1, returnValue=0x0, challengeServer=b"\xFF", ephemeralPublicKeyServer=b"\xFE") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x02\x01\x00\x01\xFF\x00\x01\xFF") assert auth.service == 0x29 assert auth.subFunction == 0x2 assert auth.communicationConfiguration == 0x1 assert auth.lengthOfCertificateClient == 0x1 assert auth.certificateClient == b"\xFF" assert auth.lengthOfChallengeClient == 0x1 assert auth.challengeClient == b"\xFF" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x2, communicationConfiguration=0x1, certificateClient=b"\xFF", challengeClient=b"\xFF") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x02\x00\x00\x01\xFF\x00\x03\xC0\xFF\xEE\x00\x01\x56\x00" + b"\x01\xFE") assert authpr.service == 0x69 assert authpr.subFunction == 0x2 assert authpr.returnValue == 0x0 assert authpr.lengthOfChallengeServer == 0x1 assert authpr.challengeServer == b"\xFF" assert authpr.lengthOfCertificateServer == 0x3 assert authpr.certificateServer == b"\xC0\xFF\xEE" assert authpr.lengthOfProofOfOwnershipServer == 0x1 assert authpr.proofOfOwnershipServer == b"\x56" assert authpr.lengthOfEphemeralPublicKeyServer == 0x1 assert authpr.ephemeralPublicKeyServer == b"\xFE" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x2, returnValue=0x0, challengeServer=b"\xFF", certificateServer=b"\xC0\xFF\xEE", proofOfOwnershipServer=b"\x56", ephemeralPublicKeyServer=b"\xFE") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x03\x00\x01\xFF\x00\x02\xFF\xFE") assert auth.service == 0x29 assert auth.subFunction == 0x3 assert auth.lengthOfProofOfOwnershipClient == 0x1 assert auth.proofOfOwnershipClient == b"\xFF" assert auth.lengthOfEphemeralPublicKeyClient == 0x2 assert auth.ephemeralPublicKeyClient == b"\xFF\xFE" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x3, proofOfOwnershipClient=b"\xFF", ephemeralPublicKeyClient=b"\xFF\xFE") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x03\x00\x00\x01\xFE") assert authpr.service == 0x69 assert authpr.subFunction == 0x3 assert authpr.returnValue == 0x0 assert authpr.lengthOfSessionKeyInfo == 0x1 assert authpr.sessionKeyInfo == b"\xFE" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x3, returnValue=0x0, sessionKeyInfo=b"\xFE") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x04\x00\x03\x00\x05\xFF\x00\x02\xFF\xFE") assert auth.service == 0x29 assert auth.subFunction == 0x4 assert auth.certificateEvaluationId == 0x3 assert auth.lengthOfCertificateData == 0x5 assert auth.certificateData == b"\xFF\x00\x02\xFF\xFE" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x4, certificateEvaluationId=0x3, certificateData=b"\xFF\x00\x02\xFF\xFE") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x04\x00") assert authpr.service == 0x69 assert authpr.subFunction == 0x4 assert authpr.returnValue == 0x0 assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x4, returnValue=0x0) assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x05\x01\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01") assert auth.service == 0x29 assert auth.subFunction == 0x5 assert auth.communicationConfiguration == 0x1 assert auth.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x5, communicationConfiguration=0x1, algorithmIndicator=(b"\x03\x00\x05\xFF\x00\x02" + b"\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01")) assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x05\x00\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01\x00\x01\xFF\x00\x00") assert authpr.service == 0x69 assert authpr.subFunction == 0x5 assert authpr.returnValue == 0x0 assert authpr.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") assert authpr.lengthOfChallengeServer == 0x1 assert authpr.challengeServer == b"\xFF" assert authpr.lengthOfNeededAdditionalParameter == 0x0 assert authpr.neededAdditionalParameter == b"" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x5, returnValue=0x0, algorithmIndicator=(b"\x03\x00\x05\xFF\x00" + b"\x02\xFF\xFE\xBE\x34" + b"\x56\x03\xFF\xEE\x20" + b"\x01"), challengeServer=b"\xFF") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x06\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03\xFF" + b"\xEE\x20\x01\x00\x01\xFF\x00\x01\xFF\x00\x00") assert auth.service == 0x29 assert auth.subFunction == 0x6 assert auth.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") assert auth.lengthOfProofOfOwnershipClient == 0x1 assert auth.proofOfOwnershipClient == b"\xFF" assert auth.lengthOfChallengeClient == 0x1 assert auth.challengeClient == b"\xFF" assert auth.lengthOfAdditionalParameter == 0x0 assert auth.additionalParameter == b"" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x6, algorithmIndicator=(b"\x03\x00\x05\xFF\x00\x02" + b"\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01"), proofOfOwnershipClient=b"\xFF", challengeClient=b"\xFF") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x06\x00\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01\x00\x01\xFE") assert authpr.service == 0x69 assert authpr.subFunction == 0x6 assert authpr.returnValue == 0x0 assert auth.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") assert authpr.lengthOfSessionKeyInfo == 0x1 assert authpr.sessionKeyInfo == b"\xFE" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x6, returnValue=0x0, algorithmIndicator=(b"\x03\x00\x05\xFF\x00" + b"\x02\xFF\xFE\xBE\x34" + b"\x56\x03\xFF\xEE\x20\x01" ), sessionKeyInfo=b"\xFE") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x07\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03\xFF" + b"\xEE\x20\x01\x00\x01\xFF\x00\x01\xFF\x00\x02\xC0\xCA") assert auth.service == 0x29 assert auth.subFunction == 0x7 assert auth.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") assert auth.lengthOfProofOfOwnershipClient == 0x1 assert auth.proofOfOwnershipClient == b"\xFF" assert auth.lengthOfChallengeClient == 0x1 assert auth.challengeClient == b"\xFF" assert auth.lengthOfAdditionalParameter == 0x2 assert auth.additionalParameter == b"\xC0\xCA" = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x7, algorithmIndicator=(b"\x03\x00\x05\xFF\x00\x02" + b"\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01"), proofOfOwnershipClient=b"\xFF", challengeClient=b"\xFF", additionalParameter=b"\xC0\xCA") assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x07\x00\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE\x34\x56\x03" + b"\xFF\xEE\x20\x01\x00\x02\xFE\x20\x00\x01\xFE") assert authpr.service == 0x69 assert authpr.subFunction == 0x7 assert authpr.returnValue == 0x0 assert auth.algorithmIndicator == (b"\x03\x00\x05\xFF\x00\x02\xFF\xFE\xBE" + b"\x34\x56\x03\xFF\xEE\x20\x01") assert authpr.lengthOfProofOfOwnershipServer == 0x2 assert authpr.proofOfOwnershipServer == b"\xFE\x20" assert authpr.lengthOfSessionKeyInfo == 0x1 assert authpr.sessionKeyInfo == b"\xFE" assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x7, returnValue=0x0, algorithmIndicator=(b"\x03\x00\x05\xFF\x00" + b"\x02\xFF\xFE\xBE\x34" + b"\x56\x03\xFF\xEE\x20\x01" ), proofOfOwnershipServer=b"\xFE\x20", sessionKeyInfo=b"\xFE") assert bytes(authpr_build) == bytes(authpr) = Check UDS_AUTH auth = UDS(b"\x29\x08") assert auth.service == 0x29 assert auth.subFunction == 0x8 = Build UDS_AUTH auth_build = UDS()/UDS_AUTH(subFunction=0x8) assert bytes(auth_build) == bytes(auth) = Check UDS_AUTHPR authpr = UDS(b"\x69\x08\x00") assert authpr.service == 0x69 assert authpr.subFunction == 0x8 assert authpr.returnValue == 0x0 assert authpr.answers(auth) = Build UDS_AUTHPR authpr_build = UDS()/UDS_AUTHPR(subFunction=0x8) assert bytes(authpr_build) == bytes(authpr) = Check UDS_TP tp = UDS(b'\x3E\x01') assert tp.service == 0x3e assert tp.subFunction == 0x1 = Check UDS_TPPR tppr = UDS(b'\x7E\x01') assert tppr.service == 0x7e assert tppr.zeroSubFunction == 0x1 assert tppr.answers(tp) = Check UDS_ATP atp = UDS(b'\x83\x01') assert atp.service == 0x83 assert atp.timingParameterAccessType == 0x1 = Check UDS_ATPPR atppr = UDS(b'\xc3\x01') assert atppr.service == 0xc3 assert atppr.timingParameterAccessType == 0x1 assert atppr.answers(atp) = Check UDS_ATP atp = UDS(b'\x83\x04coffee') assert atp.service == 0x83 assert atp.timingParameterAccessType == 0x4 assert atp.timingParameterRequestRecord == b'coffee' = Check UDS_ATPPR atppr = UDS(b'\xc3\x03coffee') assert atppr.service == 0xc3 assert atppr.timingParameterAccessType == 0x3 assert atppr.timingParameterResponseRecord == b'coffee' = Check UDS_SDT sdt = UDS(b'\x84\x80\x00\x01\x12\x34\x13\x37\x01coffee') assert sdt.service == 0x84 assert sdt.requestMessage == 0x1 assert sdt.preEstablishedKeyUsed == 0x0 assert sdt.encryptedMessage == 0x0 assert sdt.signedMessage == 0x0 assert sdt.signedResponseRequested == 0x0 assert sdt.signatureEncryptionCalculation == 0x1 assert sdt.signatureLength == 0x1234 assert sdt.antiReplayCounter == 0x1337 assert sdt.internalMessageServiceRequestId == 0x1 assert sdt.dataRecord == b'coffee' = Build UDS_SDT sdt = UDS()/UDS_SDT(requestMessage=0x1, signatureEncryptionCalculation=0x1, signatureLength=0x1234, antiReplayCounter=0x1337, internalMessageServiceRequestId=0x1, dataRecord=b'coffee') assert sdt.service == 0x84 assert sdt.requestMessage == 0x1 assert sdt.preEstablishedKeyUsed == 0x0 assert sdt.encryptedMessage == 0x0 assert sdt.signedMessage == 0x0 assert sdt.signedResponseRequested == 0x0 assert sdt.signatureEncryptionCalculation == 0x1 assert sdt.signatureLength == 0x1234 assert sdt.antiReplayCounter == 0x1337 assert sdt.internalMessageServiceRequestId == 0x1 assert sdt.dataRecord == b'coffee' = Check UDS_SDTPR sdtpr = UDS(b'\xC4\x04\x00\x01\x12\x34\x13\x37\x01coffee') assert sdtpr.service == 0xC4 assert sdtpr.requestMessage == 0x0 assert sdtpr.preEstablishedKeyUsed == 0x0 assert sdtpr.encryptedMessage == 0x0 assert sdtpr.signedMessage == 0x1 assert sdtpr.signedResponseRequested == 0x0 assert sdtpr.signatureEncryptionCalculation == 0x1 assert sdtpr.signatureLength == 0x1234 assert sdtpr.antiReplayCounter == 0x1337 assert sdtpr.internalMessageServiceResponseId == 0x1 assert sdtpr.dataRecord == b'coffee' assert sdtpr.answers(sdt) = Check UDS_CDTCS cdtcs = UDS(b'\x85\x00coffee') assert cdtcs.service == 0x85 assert cdtcs.DTCSettingType == 0 assert cdtcs.DTCSettingControlOptionRecord == b'coffee' = Check UDS_CDTCSPR cdtcspr = UDS(b'\xC5\x00') assert cdtcspr.service == 0xC5 assert cdtcspr.DTCSettingType == 0 assert cdtcspr.answers(cdtcs) = Check UDS_ROE roe = UDS(b'\x86\x00\x10coffee') assert roe.service == 0x86 assert roe.eventType == 0 assert roe.eventWindowTime == 16 assert roe.eventTypeRecord == b'coffee' = Check UDS_ROEPR roepr = UDS(b'\xC6\x00\x01\x10coffee') assert roepr.service == 0xC6 assert roepr.eventType == 0 assert roepr.numberOfIdentifiedEvents == 1 assert roepr.eventWindowTime == 16 assert roepr.eventTypeRecord == b'coffee' assert roepr.answers(roe) = Check UDS_LC lc = UDS(b'\x87\x01\x02') assert lc.service == 0x87 assert lc.linkControlType == 0x01 assert lc.baudrateIdentifier == 0x02 = Check UDS_LCPR lcpr = UDS(b'\xC7\x01') assert lcpr.service == 0xC7 assert lcpr.linkControlType == 0x01 assert lcpr.answers(lc) = Check UDS_LC lc = UDS(b'\x87\x02\x02\x03\x04') assert lc.service == 0x87 assert lc.linkControlType == 0x02 assert lc.baudrateHighByte == 0x02 assert lc.baudrateMiddleByte == 0x03 assert lc.baudrateLowByte == 0x04 = Check UDS_RDBI rdbi = UDS(b'\x22\x01\x02') assert rdbi.service == 0x22 assert rdbi.identifiers[0] == 0x0102 = Build UDS_RDBI rdbi = UDS()/UDS_RDBI(identifiers=[0x102]) assert rdbi.service == 0x22 assert rdbi.identifiers[0] == 0x0102 assert bytes(rdbi) == b'\x22\x01\x02' = Check UDS_RDBI2 rdbi = UDS(b'\x22\x01\x02\x03\x04') assert rdbi.service == 0x22 assert rdbi.identifiers[0] == 0x0102 assert rdbi.identifiers[1] == 0x0304 assert raw(rdbi) == b'\x22\x01\x02\x03\x04' = Build UDS_RDBI2 rdbi = UDS()/UDS_RDBI(identifiers=[0x102, 0x304]) assert rdbi.service == 0x22 assert rdbi.identifiers[0] == 0x0102 assert rdbi.identifiers[1] == 0x0304 assert raw(rdbi) == b'\x22\x01\x02\x03\x04' = Test observable dict used in UDS_RDBI, setter UDS_RDBI.dataIdentifiers[0x102] = "turbo" UDS_RDBI.dataIdentifiers[0x103] = "fullspeed" rdbi = UDS()/UDS_RDBI(identifiers=[0x102, 0x103]) assert "turbo" in plain_str(repr(rdbi)) assert "fullspeed" in plain_str(repr(rdbi)) = Test observable dict used in UDS_RDBI, deleter UDS_RDBI.dataIdentifiers[0x102] = "turbo" rdbi = UDS()/UDS_RDBI(identifiers=[0x102, 0x103]) assert "turbo" in plain_str(repr(rdbi)) del UDS_RDBI.dataIdentifiers[0x102] UDS_RDBI.dataIdentifiers[0x103] = "slowspeed" rdbi = UDS()/UDS_RDBI(identifiers=[0x102, 0x103]) assert "turbo" not in plain_str(repr(rdbi)) assert "slowspeed" in plain_str(repr(rdbi)) = Check UDS_RDBIPR rdbipr = UDS(b'\x62\x01\x02dieselgate') assert rdbipr.service == 0x62 assert rdbipr.dataIdentifier == 0x0102 assert rdbipr.load == b'dieselgate' assert rdbipr.answers(rdbi) = Check UDS_RMBA rmba = UDS(b'\x23\x11\x02\x02') assert rmba.service == 0x23 assert rmba.memorySizeLen == 1 assert rmba.memoryAddressLen == 1 assert rmba.memoryAddress1 == 2 assert rmba.memorySize1 == 2 = Check UDS_RMBA rmba = UDS(b'\x23\x22\x02\x02\x03\x03') assert rmba.service == 0x23 assert rmba.memorySizeLen == 2 assert rmba.memoryAddressLen == 2 assert rmba.memoryAddress2 == 0x202 assert rmba.memorySize2 == 0x303 = Check UDS_RMBA rmba = UDS(b'\x23\x33\x02\x02\x02\x03\x03\x03') assert rmba.service == 0x23 assert rmba.memorySizeLen == 3 assert rmba.memoryAddressLen == 3 assert rmba.memoryAddress3 == 0x20202 assert rmba.memorySize3 == 0x30303 = Check UDS_RMBA rmba = UDS(b'\x23\x44\x02\x02\x02\x02\x03\x03\x03\x03') assert rmba.service == 0x23 assert rmba.memorySizeLen == 4 assert rmba.memoryAddressLen == 4 assert rmba.memoryAddress4 == 0x2020202 assert rmba.memorySize4 == 0x3030303 = Check UDS_RMBAPR rmbapr = UDS(b'\x63muchData') assert rmbapr.service == 0x63 assert rmbapr.dataRecord == b'muchData' assert rmbapr.answers(rmba) = Check UDS_RSDBI rsdbi = UDS(b'\x24\x12\x34') assert rsdbi.service == 0x24 assert rsdbi.dataIdentifier == 0x1234 = Check UDS_RSDBIPR rsdbipr = UDS(b'\x64\x12\x34\xffmuchData') assert rsdbipr.service == 0x64 assert rsdbipr.dataIdentifier == 0x1234 assert rsdbipr.scalingByte == 255 assert rsdbipr.dataRecord == b'muchData' assert rsdbipr.answers(rsdbi) = Check UDS_RSDBPI rsdbpi = UDS(b'\x2a\x12\x34coffee') assert rsdbpi.service == 0x2a assert rsdbpi.transmissionMode == 0x12 assert rsdbpi.periodicDataIdentifier == 0x34 assert rsdbpi.furtherPeriodicDataIdentifier == b'coffee' = Check UDS_RSDBPIPR rsdbpipr = UDS(b'\x6a\xff\x12\x34') assert rsdbpipr.service == 0x6a assert rsdbpipr.periodicDataIdentifier == 255 assert rsdbpipr.dataRecord == b'\x12\x34' assert not rsdbpipr.answers(rsdbpi) = Check UDS_RSDBPIPR rsdbpipr = UDS(b'\x6a\x34\x12\x34') assert rsdbpipr.service == 0x6a assert rsdbpipr.periodicDataIdentifier == 0x34 assert rsdbpipr.dataRecord == b'\x12\x34' assert rsdbpipr.answers(rsdbpi) = Check UDS_DDDI dddi = UDS(b'\x2c\x12coffee') assert dddi.service == 0x2c assert dddi.subFunction == 0x12 assert dddi.dataRecord == b'coffee' = Check UDS_DDDIPR dddipr = UDS(b'\x6c\x12\x44\x55') assert dddipr.service == 0x6c assert dddipr.subFunction == 0x12 assert dddipr.dynamicallyDefinedDataIdentifier == 0x4455 assert dddipr.answers(dddi) = Check UDS_WDBI wdbi = UDS(b'\x2e\x01\x02dieselgate') assert wdbi.service == 0x2e assert wdbi.dataIdentifier == 0x0102 assert wdbi.load == b'dieselgate' = Build UDS_WDBI wdbi = UDS()/UDS_WDBI(dataIdentifier=0x0102)/Raw(load=b'dieselgate') assert wdbi.service == 0x2e assert wdbi.dataIdentifier == 0x0102 assert wdbi.load == b'dieselgate' assert bytes(wdbi) == b'\x2e\x01\x02dieselgate' = Check UDS_WDBI wdbi = UDS(b'\x2e\x01\x02dieselgate') assert wdbi.service == 0x2e assert wdbi.dataIdentifier == 0x0102 assert wdbi.load == b'dieselgate' wdbi = UDS(b'\x2e\x02\x02benzingate') assert wdbi.service == 0x2e assert wdbi.dataIdentifier == 0x0202 assert wdbi.load == b'benzingate' = Check UDS_WDBIPR wdbipr = UDS(b'\x6e\x02\x02') assert wdbipr.service == 0x6e assert wdbipr.dataIdentifier == 0x0202 assert wdbipr.answers(wdbi) = Check UDS_WMBA wmba = UDS(b'\x3d\x11\x02\x02muchData') assert wmba.service == 0x3d assert wmba.memorySizeLen == 1 assert wmba.memoryAddressLen == 1 assert wmba.memoryAddress1 == 2 assert wmba.memorySize1 == 2 assert wmba.dataRecord == b'muchData' = Check UDS_WMBAPR wmbapr = UDS(b'\x7d\x11\x02\x02') assert wmbapr.service == 0x7d assert wmbapr.memorySizeLen == 1 assert wmbapr.memoryAddressLen == 1 assert wmbapr.memoryAddress1 == 2 assert wmbapr.memorySize1 == 2 assert wmbapr.answers(wmba) = Check UDS_WMBA wmba = UDS(b'\x3d\x22\x02\x02\x03\x03muchData') assert wmba.service == 0x3d assert wmba.memorySizeLen == 2 assert wmba.memoryAddressLen == 2 assert wmba.memoryAddress2 == 0x202 assert wmba.memorySize2 == 0x303 assert wmba.dataRecord == b'muchData' = Check UDS_WMBAPR wmbapr = UDS(b'\x7d\x22\x02\x02\x03\x03') assert wmbapr.service == 0x7d assert wmbapr.memorySizeLen == 2 assert wmbapr.memoryAddressLen == 2 assert wmbapr.memoryAddress2 == 0x202 assert wmbapr.memorySize2 == 0x303 assert wmbapr.answers(wmba) = Check UDS_WMBA wmba = UDS(b'\x3d\x33\x02\x02\x02\x03\x03\x03muchData') assert wmba.service == 0x3d assert wmba.memorySizeLen == 3 assert wmba.memoryAddressLen == 3 assert wmba.memoryAddress3 == 0x20202 assert wmba.memorySize3 == 0x30303 assert wmba.dataRecord == b'muchData' = Check UDS_WMBA wmba = UDS(b'\x3d\x44\x02\x02\x02\x02\x03\x03\x03\x03muchData') assert wmba.service == 0x3d assert wmba.memorySizeLen == 4 assert wmba.memoryAddressLen == 4 assert wmba.memoryAddress4 == 0x2020202 assert wmba.memorySize4 == 0x3030303 assert wmba.dataRecord == b'muchData' = Check UDS_WMBAPR wmbapr = UDS(b'\x7d\x33\x02\x02\x02\x03\x03\x03') assert wmbapr.service == 0x7d assert wmbapr.memorySizeLen == 3 assert wmbapr.memoryAddressLen == 3 assert wmbapr.memoryAddress3 == 0x20202 assert wmbapr.memorySize3 == 0x30303 assert not wmbapr.answers(wmba) = Check UDS_WMBAPR wmbapr = UDS(b'\x7d\x44\x02\x02\x02\x02\x03\x03\x03\x03') assert wmbapr.service == 0x7d assert wmbapr.memorySizeLen == 4 assert wmbapr.memoryAddressLen == 4 assert wmbapr.memoryAddress4 == 0x2020202 assert wmbapr.memorySize4 == 0x3030303 assert wmbapr.answers(wmba) = Check UDS_CDTCI cdtci = UDS(b'\x14\x44\x02\x03') assert cdtci.service == 0x14 assert cdtci.groupOfDTCHighByte == 0x44 assert cdtci.groupOfDTCMiddleByte == 0x02 assert cdtci.groupOfDTCLowByte == 0x3 = Check UDS_RDTCI rdtci = UDS(b'\x19\x44') assert rdtci.service == 0x19 assert rdtci.reportType == 0x44 = Check UDS_RDTCI rdtci = UDS(b'\x19\x01\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x01 assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCIPR rdtcipr = UDS(b'\x59\x01\xff\xee\xdd\xaa') assert rdtcipr.service == 0x59 assert rdtcipr.reportType == 1 assert rdtcipr.DTCStatusAvailabilityMask == 0xff assert rdtcipr.DTCFormatIdentifier == 0xee assert rdtcipr.DTCCount == 0xddaa assert rdtcipr.answers(rdtci) rdtcipr1 = UDS(b'\x59\x02\xff\x11\x07\x11\'\x022\x12\'\x01\x07\x11\'\x01\x18\x12\'\x01\x13\x12\'\x01"\x11\'\x06C\x00\'\x06S\x00\'\x161\x00\'\x14\x03\x12\'') assert len(rdtcipr1.DTCAndStatusRecord) == 10 assert rdtcipr1.DTCAndStatusRecord[0].dtc.system == 0 assert rdtcipr1.DTCAndStatusRecord[0].dtc.type == 1 assert rdtcipr1.DTCAndStatusRecord[0].dtc.numeric_value_code == 263 assert rdtcipr1.DTCAndStatusRecord[0].dtc.additional_information_code == 17 assert rdtcipr1.DTCAndStatusRecord[0].status == 0x27 assert rdtcipr1.DTCAndStatusRecord[-1].dtc.system == 0 assert rdtcipr1.DTCAndStatusRecord[-1].dtc.type == 1 assert rdtcipr1.DTCAndStatusRecord[-1].dtc.numeric_value_code == 1027 assert rdtcipr1.DTCAndStatusRecord[-1].dtc.additional_information_code == 18 assert rdtcipr1.DTCAndStatusRecord[-1].status == 0x27 = Check UDS_RDTCI rdtci = UDS(b'\x19\x02\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x02 assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCI rdtci = UDS(b'\x19\x0f\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x0f assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCI rdtci = UDS(b'\x19\x11\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x11 assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCI rdtci = UDS(b'\x19\x12\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x12 assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCI rdtci = UDS(b'\x19\x13\xff') assert rdtci.service == 0x19 assert rdtci.reportType == 0x13 assert rdtci.DTCStatusMask == 0xff = Check UDS_RDTCI rdtci = UDS(b'\x19\x03\xff\xee\xdd\xaa') assert rdtci.service == 0x19 assert rdtci.reportType == 0x03 assert rdtci.dtc == DTC(bytes.fromhex("ffeedd")) assert rdtci.DTCSnapshotRecordNumber == 0xaa = Check UDS_RDTCI rdtci = UDS(b'\x19\x04\xff\xee\xdd\xaa') assert rdtci.service == 0x19 assert rdtci.reportType == 0x04 assert rdtci.dtc == DTC(bytes.fromhex("ffeedd")) assert rdtci.DTCSnapshotRecordNumber == 0xaa = Check UDS_RDTCI rdtci = UDS(b'\x19\x05\xaa') assert rdtci.service == 0x19 assert rdtci.reportType == 0x05 assert rdtci.DTCSnapshotRecordNumber == 0xaa = Check UDS_RDTCI rdtci = UDS(b'\x19\x06\xff\xee\xdd\xaa') assert rdtci.service == 0x19 assert rdtci.reportType == 0x06 assert rdtci.dtc == DTC(bytes.fromhex("ffeedd")) assert rdtci.DTCExtendedDataRecordNumber == 0xaa = Check UDS_RDTCI rdtci = UDS(b'\x19\x07\xaa\xbb') assert rdtci.service == 0x19 assert rdtci.reportType == 0x07 assert rdtci.DTCSeverityMask == 0xaa assert rdtci.DTCStatusMask == 0xbb = Check UDS_RDTCI rdtci = UDS(b'\x19\x08\xaa\xbb') assert rdtci.service == 0x19 assert rdtci.reportType == 0x08 assert rdtci.DTCSeverityMask == 0xaa assert rdtci.DTCStatusMask == 0xbb = Check UDS_RDTCI rdtci = UDS(b'\x19\x09\xff\xee\xdd') assert rdtci.service == 0x19 assert rdtci.reportType == 0x09 assert rdtci.dtc == DTC(bytes.fromhex("ffeedd")) = Check UDS_RDTCI rdtci = UDS(b'\x19\x10\xff\xee\xdd\xaa') assert rdtci.service == 0x19 assert rdtci.reportType == 0x10 assert rdtci.dtc == DTC(bytes.fromhex("ffeedd")) assert rdtci.DTCExtendedDataRecordNumber == 0xaa = Check UDS_RDTCIPR rdtcipr = UDS(b'\x59\x02\xff\xee\xdd\xaa\x02') rdtcipr.show() assert rdtcipr.service == 0x59 assert rdtcipr.reportType == 2 assert rdtcipr.DTCStatusAvailabilityMask == 0xff assert rdtcipr.DTCAndStatusRecord[0].dtc.system == 3 assert rdtcipr.DTCAndStatusRecord[0].dtc.type == 2 assert rdtcipr.DTCAndStatusRecord[0].dtc.numeric_value_code == 3805 assert rdtcipr.DTCAndStatusRecord[0].dtc.additional_information_code == 170 assert rdtcipr.DTCAndStatusRecord[0].status == 2 assert not rdtcipr.answers(rdtci) = Check UDS_RDTCIPR rdtcipr = UDS(b'\x59\x03\xff\xee\xdd\xaa') assert rdtcipr.service == 0x59 assert rdtcipr.reportType == 3 assert rdtcipr.dataRecord == b'\xff\xee\xdd\xaa' = Check UDS_RDTCIPR 2 req = UDS(bytes.fromhex("1904480a46ff")) resp = UDS(bytes.fromhex("5904480a46af000b170002ff6417010a8278fa170c2ff1800000800104800200028003400a8004808005054002400a400004010b170002ff6417010a82ec69170c2f2c800000800100800200028003400a80048080050540024017400004")) assert resp.answers(req) req = UDS(bytes.fromhex("1904480a47ff")) resp = UDS(bytes.fromhex("5904480a46af000b170002ff6417010a8278fa170c2ff1800000800104800200028003400a8004808005054002400a400004010b170002ff6417010a82ec69170c2f2c800000800100800200028003400a80048080050540024017400004")) assert not resp.answers(req) req = UDS(bytes.fromhex("1906480a46ff")) resp = UDS(bytes.fromhex("5906480a46af010002070328")) assert resp.answers(req) = Check UDS_RC rc = UDS(b'\x31\x03\xff\xee\xdd\xaa') assert rc.service == 0x31 assert rc.routineControlType == 3 assert rc.routineIdentifier == 0xffee assert rc.load == b'\xdd\xaa' = Check UDS_RC rc = UDS(b'\x31\x03\xff\xee\xdd\xaa') assert rc.service == 0x31 assert rc.routineControlType == 3 assert rc.routineIdentifier == 0xffee assert rc.load == b'\xdd\xaa' = Check UDS_RCPR rcpr = UDS(b'\x71\x03\xff\xee\xdd\xaa') assert rcpr.service == 0x71 assert rcpr.routineControlType == 3 assert rcpr.routineIdentifier == 0xffee assert rcpr.load == b'\xdd\xaa' = Check UDS_RD rd = UDS(b'\x34\xaa\x11\x02\x02') assert rd.service == 0x34 assert rd.dataFormatIdentifier == 0xaa assert rd.memorySizeLen == 1 assert rd.memoryAddressLen == 1 assert rd.memoryAddress1 == 2 assert rd.memorySize1 == 2 = Check UDS_RD rd = UDS(b'\x34\xaa\x22\x02\x02\x03\x03') assert rd.service == 0x34 assert rd.dataFormatIdentifier == 0xaa assert rd.memorySizeLen == 2 assert rd.memoryAddressLen == 2 assert rd.memoryAddress2 == 0x202 assert rd.memorySize2 == 0x303 = Check UDS_RD rd = UDS(b'\x34\xaa\x33\x02\x02\x02\x03\x03\x03') assert rd.service == 0x34 assert rd.dataFormatIdentifier == 0xaa assert rd.memorySizeLen == 3 assert rd.memoryAddressLen == 3 assert rd.memoryAddress3 == 0x20202 assert rd.memorySize3 == 0x30303 = Check UDS_RD rd = UDS(b'\x34\xaa\x44\x02\x02\x02\x02\x03\x03\x03\x03') assert rd.service == 0x34 assert rd.dataFormatIdentifier == 0xaa assert rd.memorySizeLen == 4 assert rd.memoryAddressLen == 4 assert rd.memoryAddress4 == 0x2020202 assert rd.memorySize4 == 0x3030303 = Check UDS_RDPR rdpr = UDS(b'\x74\x40\x02\x02\x02\x02\x03\x03\x03\x03') assert rdpr.service == 0x74 assert rdpr.memorySizeLen == 4 assert rdpr.reserved == 0 assert rdpr.maxNumberOfBlockLength == b'\x02\x02\x02\x02\x03\x03\x03\x03' assert rdpr.answers(rd) = Check UDS_RU ru = UDS(b'\x35\xaa\x11\x02\x02') assert ru.service == 0x35 assert ru.dataFormatIdentifier == 0xaa assert ru.memorySizeLen == 1 assert ru.memoryAddressLen == 1 assert ru.memoryAddress1 == 2 assert ru.memorySize1 == 2 = Check UDS_RU ru = UDS(b'\x35\xaa\x22\x02\x02\x03\x03') assert ru.service == 0x35 assert ru.dataFormatIdentifier == 0xaa assert ru.memorySizeLen == 2 assert ru.memoryAddressLen == 2 assert ru.memoryAddress2 == 0x202 assert ru.memorySize2 == 0x303 = Check UDS_RU ru = UDS(b'\x35\xaa\x33\x02\x02\x02\x03\x03\x03') assert ru.service == 0x35 assert ru.dataFormatIdentifier == 0xaa assert ru.memorySizeLen == 3 assert ru.memoryAddressLen == 3 assert ru.memoryAddress3 == 0x20202 assert ru.memorySize3 == 0x30303 = Check UDS_RU ru = UDS(b'\x35\xaa\x44\x02\x02\x02\x02\x03\x03\x03\x03') assert ru.service == 0x35 assert ru.dataFormatIdentifier == 0xaa assert ru.memorySizeLen == 4 assert ru.memoryAddressLen == 4 assert ru.memoryAddress4 == 0x2020202 assert ru.memorySize4 == 0x3030303 = Check UDS_RUPR rupr = UDS(b'\x75\x40\x02\x02\x02\x02\x03\x03\x03\x03') assert rupr.service == 0x75 assert rupr.memorySizeLen == 4 assert rupr.reserved == 0 assert rupr.maxNumberOfBlockLength == b'\x02\x02\x02\x02\x03\x03\x03\x03' assert rupr.answers(ru) = Check UDS_TD td = UDS(b'\x36\xaapayload') assert td.service == 0x36 assert td.blockSequenceCounter == 0xaa assert td.transferRequestParameterRecord == b'payload' = Check UDS_TD td = UDS(b'\x36\xaapayload') assert td.service == 0x36 assert td.blockSequenceCounter == 0xaa assert td.transferRequestParameterRecord == b'payload' = Check UDS_TDPR tdpr = UDS(b'\x76\xaapayload') assert tdpr.service == 0x76 assert tdpr.blockSequenceCounter == 0xaa assert tdpr.transferResponseParameterRecord == b'payload' assert tdpr.answers(td) = Check UDS_RTE rte = UDS(b'\x37payload') assert rte.service == 0x37 assert rte.transferRequestParameterRecord == b'payload' = Check UDS_RTEPR rtepr = UDS(b'\x77payload') assert rtepr.service == 0x77 assert rtepr.transferResponseParameterRecord == b'payload' assert rtepr.answers(rte) = Check UDS_IOCBI iocbi = UDS(b'\x2f\x23\x34\xffcoffee') assert iocbi.service == 0x2f assert iocbi.dataIdentifier == 0x2334 assert iocbi.load == b'\xffcoffee' = Check UDS_RFT rft = UDS(b'\x38\x01\x00\x1ED:\\mapdata\\europe\\germany1.yxz\x11\x02\xC3\x50\x75\x30') assert rft.service == 0x38 assert rft.modeOfOperation == 0x01 assert rft.filePathAndNameLength == 0x001e assert rft.filePathAndName == b'D:\\mapdata\\europe\\germany1.yxz' assert rft.compressionMethod == 1 assert rft.encryptingMethod == 1 assert rft.fileSizeParameterLength == 0x02 assert rft.fileSizeUnCompressed == b'\xc3\x50' assert rft.fileSizeCompressed == b'\x75\x30' = Build UDS_RFT rft_build = UDS()/UDS_RFT(modeOfOperation=0x1, filePathAndName=(b'D:\\mapdata\\europe\\' + b'germany1.yxz'), compressionMethod=1, encryptingMethod=1, fileSizeUnCompressed=b'\xc3\x50', fileSizeCompressed=b'\x75\x30') assert bytes(rft_build) == bytes(rft) = Check UDS_RFTPR rftpr = UDS(b'\x78\x01\x02\xc3\x50\x11') assert rftpr.service == 0x78 assert rftpr.modeOfOperation == 0x01 assert rftpr.lengthFormatIdentifier == 0x02 assert rftpr.maxNumberOfBlockLength == b'\xc3\x50' assert rftpr.compressionMethod == 1 assert rftpr.encryptingMethod == 1 assert rftpr.answers(rft) = Build UDS_RFTPR rftpr_build = UDS()/UDS_RFTPR(modeOfOperation=0x1, maxNumberOfBlockLength=b'\xc3\x50', compressionMethod=1, encryptingMethod=1) assert bytes(rftpr_build) == bytes(rftpr) = Check (invalid) UDS_NRC, no reply-to service nrc = UDS(b'\x7f') assert nrc.service == 0x7f = Check UDS_NRC nrc = UDS(b'\x7f\x22\x33') assert nrc.service == 0x7f assert nrc.requestServiceId == 0x22 assert nrc.negativeResponseCode == 0x33