std::string KeyStatusResponse(
IINField iin,
uint8_t seq,
uint32_t ksq,
uint16_t user,
KeyWrapAlgorithm keyWrap,
KeyStatus status,
HMACType hmacType,
const std::string& challenge,
const std::string& hmac
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_RESPONSE);
apdu.SetIIN(iin);
HexSequence challengeBuff(challenge);
HexSequence hmacBuff(hmac);
Group120Var5 rsp;
rsp.keyChangeSeqNum = ksq;
rsp.userNum = user;
rsp.keyWrapAlgo = keyWrap;
rsp.keyStatus = status;
rsp.hmacAlgo = hmacType;
rsp.challengeData = challengeBuff.ToRSlice();
rsp.hmacValue = hmacBuff.ToRSlice();
apdu.GetWriter().WriteFreeFormat(rsp);
return ToHex(apdu.ToRSlice());
}
std::string ChallengeResponse(
opendnp3::IINField iin,
uint8_t seq,
uint32_t csq,
uint16_t user,
HMACType hmacType,
ChallengeReason reason,
std::string challengeDataHex
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_RESPONSE);
apdu.SetIIN(iin);
HexSequence challengeBuff(challengeDataHex);
Group120Var1 rsp(
csq,
user,
hmacType,
reason,
challengeBuff.ToRSlice()
);
apdu.GetWriter().WriteFreeFormat(rsp);
return ToHex(apdu.ToRSlice());
}
std::string AuthErrorResponse(
opendnp3::IINField iin,
uint8_t appSeq,
uint32_t challengeSeqNum,
uint16_t user,
uint16_t assocId,
opendnp3::AuthErrorCode code,
opendnp3::DNPTime timestamp,
std::string hexErrorText)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, appSeq));
apdu.SetFunction(FunctionCode::AUTH_RESPONSE);
apdu.SetIIN(iin);
HexSequence hexErrorTextBuff(hexErrorText);
Group120Var7 error(
challengeSeqNum,
user,
assocId,
code,
timestamp,
hexErrorTextBuff.ToRSlice()
);
apdu.GetWriter().WriteFreeFormat(error);
return ToHex(apdu.ToRSlice());
}
std::string Confirm(uint8_t seq, bool unsol)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, unsol, seq));
apdu.SetFunction(FunctionCode::CONFIRM);
return ToHex(apdu.ToRSlice());
}
std::string EmptyAuthResponse(uint8_t seq, const opendnp3::IINField& iin)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse response(buffer.GetWSlice());
response.SetFunction(FunctionCode::AUTH_RESPONSE);
response.SetControl(AppControlField(true, true, false, false, seq));
response.SetIIN(iin);
return ToHex(response.ToRSlice());
}
std::string RequestKeyStatus(uint8_t seq, uint16_t user)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
Group120Var4 status;
status.userNum = user;
apdu.GetWriter().WriteSingleValue<UInt8>(QualifierCode::UINT8_CNT, status);
return ToHex(apdu.ToRSlice());
}
APDUHeaderParser::Result<APDUHeader> APDUHeaderParser::ParseRequest(const openpal::RSlice& apdu,
openpal::Logger* logger)
{
if (apdu.Size() < APDUHeader::REQUEST_SIZE)
{
FORMAT_LOGGER_BLOCK(logger, flags::WARN, "Request fragment with insufficient size of %u bytes", apdu.Size());
return Result<APDUHeader>::Error();
}
return Result<APDUHeader>::Ok(APDUHeader(AppControlField(apdu[0]), FunctionCodeFromType(apdu[1])),
apdu.Skip(APDUHeader::REQUEST_SIZE));
}
std::string FinishUpdateKeyChangeResponse(
uint8_t seq,
const std::string& hmac
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_RESPONSE);
apdu.SetIIN(IINBit::DEVICE_RESTART);
HexSequence hmacBuffer(hmac);
apdu.GetWriter().WriteFreeFormat(Group120Var15(hmacBuffer.ToRSlice()));
return ToHex(apdu.ToRSlice());
}
std::string BeginUpdateKeyChangeResponse(
uint8_t seq,
uint32_t ksq,
uint16_t user,
const std::string& outstationChallenge
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDUResponse apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_RESPONSE);
apdu.SetIIN(IINBit::DEVICE_RESTART);
HexSequence challenge(outstationChallenge);
apdu.GetWriter().WriteFreeFormat(Group120Var12(ksq, user, challenge));
return ToHex(apdu.ToRSlice());
}
std::string BeginUpdateKeyChangeRequest(
uint8_t seq,
opendnp3::KeyChangeMethod method,
const std::string& username,
const std::string& masterChallenge
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
RSlice name(reinterpret_cast<const uint8_t*>(username.c_str()), static_cast<uint32_t>(username.size()));
HexSequence challenge(masterChallenge);
apdu.GetWriter().WriteFreeFormat(Group120Var11(method, name, challenge));
return ToHex(apdu.ToRSlice());
}
std::string ChallengeReply(
uint8_t appSeq,
uint32_t challengeSeqNum,
uint16_t userNum,
std::string hmacHex
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, appSeq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
HexSequence hmacBuff(hmacHex);
Group120Var2 rsp(challengeSeqNum, userNum, hmacBuff.ToRSlice());
apdu.GetWriter().WriteFreeFormat(rsp);
return ToHex(apdu.ToRSlice());
}
std::string FinishUpdateKeyChangeRequest(
uint8_t seq,
uint32_t ksq,
uint16_t user,
const std::string& encryptedData,
const std::string& hmac
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
HexSequence encryptedBuffer(encryptedData);
HexSequence hmacBuffer(hmac);
auto writer = apdu.GetWriter();
writer.WriteFreeFormat(Group120Var13(ksq, user, encryptedBuffer.ToRSlice()));
writer.WriteFreeFormat(Group120Var15(hmacBuffer.ToRSlice()));
return ToHex(apdu.ToRSlice());
}
std::string KeyChangeRequest(
uint8_t seq,
uint32_t ksq,
uint16_t user,
const std::string& keyWrapData
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
HexSequence keyBuffer(keyWrapData);
Group120Var6 rsp;
rsp.keyChangeSeqNum = ksq;
rsp.userNum = user;
rsp.keyWrapData = keyBuffer.ToRSlice();
apdu.GetWriter().WriteFreeFormat(rsp);
return ToHex(apdu.ToRSlice());
}
std::string UserStatusChangeRequest(
uint8_t seq,
opendnp3::KeyChangeMethod keyChangeMethod,
opendnp3::UserOperation userOperation,
uint32_t statusChangeSeqNum,
uint16_t userRole,
uint16_t userRoleExpDays,
const std::string& userName,
const std::string& userPublicKeyHex,
const std::string& certificationDataHex
)
{
Buffer buffer(DEFAULT_MAX_APDU_SIZE);
APDURequest apdu(buffer.GetWSlice());
apdu.SetControl(AppControlField(true, true, false, false, seq));
apdu.SetFunction(FunctionCode::AUTH_REQUEST);
RSlice name(reinterpret_cast<const uint8_t*>(userName.c_str()), static_cast<uint32_t>(userName.size()));
HexSequence userPublicKeyBuffer(userPublicKeyHex);
HexSequence certificationDataBuffer(certificationDataHex);
Group120Var10 statusChange(
keyChangeMethod,
userOperation,
statusChangeSeqNum,
userRole,
userRoleExpDays,
name,
userPublicKeyBuffer.ToRSlice(),
certificationDataBuffer.ToRSlice()
);
apdu.GetWriter().WriteFreeFormat(statusChange);
return ToHex(apdu.ToRSlice());
}
AppControlField AppControlField::Request(uint8_t seq)
{
return AppControlField(true, true, false, false, seq);
}