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This commit is contained in:
Nanosonde 2020-06-18 20:29:08 +02:00
parent 47b582068b
commit 723e630dae
2 changed files with 62 additions and 33 deletions
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23
src/knx/knx_types.h
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@ -66,6 +66,29 @@ enum cEmiErrorCode
Value_temp_not_writeable = 0x0A, // The Property exists but can at this moment not be written with a new value (W)
};
enum ReturnCodes
{
// Generic positive return codes
Success = 0x00, // service, function or command executed sucessfully
SuccessWithCrc = 0x01, // positive message confirmation, CRC over original data
// Generic negative return codes
MemoryError = 0xF1, // memory cannot be accessed or only with fault(s)
InvalidCommand = 0xF2, // server does not support the requested command. ets: also non-existing or protected resource
ImpossibleCommand = 0xF3, // command cannot be executed because a dependency is not fulfilled
ExceedsMaxApduLength = 0xF4, // data will not fit into a frame supported by this server
DataOverflow = 0xF5, // attempt to write data beyond what is reserved for the addressed resource
OutOfMinRange = 0xF6, // write value below minimum supported value
OutOfMaxRange = 0xF7, // write value exceeds maximum supported value
DataVoid = 0xF8, // request contains invalid data
TemporarilyNotAvailable = 0xF9, // data access not possible at this time
AccessWriteOnly = 0xFA, // read access to write-only resource
AccessReadOnly = 0xFB, // write access to read-only resource
AccessDenied = 0xFC, // access to recource is not allowed because of authorization/security
AddressVoid = 0xFD, // resource is not present, address does not exist
DataTypeConflict = 0xFE, // write access with wrong datatype (datapoint length)
GenericError = 0xFF // service, function or command failed
};
enum Repetition
{
NoRepitiion = 0,

72
src/knx/security_interface_object.cpp
View File

@ -37,10 +37,10 @@ SecurityInterfaceObject::SecurityInterfaceObject()
// Command Callback of PID_SECURITY_MODE
[](SecurityInterfaceObject* obj, uint8_t* data, uint8_t length, uint8_t* resultData, uint8_t& resultLength) -> void {
uint8_t serviceId = data[1] & 0xff;
resultLength = 1;
if (serviceId != 0)
{
resultData[0] = 0xF2; // InvalidCommand
resultData[0] = ReturnCodes::InvalidCommand;
resultLength = 1;
return;
}
if (length == 3)
@ -48,29 +48,37 @@ SecurityInterfaceObject::SecurityInterfaceObject()
uint8_t mode = data[2];
if (mode > 1)
{
resultData[0] = 0xF8; // DataVoid
resultData[0] = ReturnCodes::DataVoid;
resultLength = 1;
return;
}
obj->_secAppLayer->setSecurityMode(mode == 1);
resultData[0] = serviceId;
resultData[0] = ReturnCodes::Success;
resultData[1] = serviceId;
resultLength = 2;
}
resultData[0] = ReturnCodes::GenericError;
resultLength = 1;
},
// State Callback of PID_SECURITY_MODE
[](SecurityInterfaceObject* obj, uint8_t* data, uint8_t length, uint8_t* resultData, uint8_t& resultLength) -> void {
uint8_t serviceId = data[1] & 0xff;
resultLength = 2;
if (serviceId != 0)
{
resultData[0] = 0xF2; // InvalidCommand
resultData[0] = ReturnCodes::InvalidCommand;
resultLength = 1;
return;
}
if (length == 2)
{
resultData[0] = serviceId;
resultData[1] = obj->_secAppLayer->isSecurityModeEnabled() ? 1 : 0;
resultLength = 2;
resultData[0] = ReturnCodes::Success;
resultData[1] = serviceId;
resultData[2] = obj->_secAppLayer->isSecurityModeEnabled() ? 1 : 0;
resultLength = 3;
return;
}
resultData[0] = ReturnCodes::GenericError;
resultLength = 1;
}),
new DataProperty( PID_P2P_KEY_TABLE, true, PDT_GENERIC_20, 1, ReadLv3 | WriteLv0 ), // written by ETS
new DataProperty( PID_GRP_KEY_TABLE, true, PDT_GENERIC_18, 1, ReadLv3 | WriteLv0 ), // written by ETS
@ -80,7 +88,7 @@ SecurityInterfaceObject::SecurityInterfaceObject()
[](SecurityInterfaceObject* obj, uint8_t* data, uint8_t length, uint8_t* resultData, uint8_t& resultLength) -> void {
if (length != 3)
{
resultData[0] = 0xF8; // DataVoid
resultData[0] = ReturnCodes::DataVoid;
resultLength = 1;
return;
}
@ -89,15 +97,19 @@ SecurityInterfaceObject::SecurityInterfaceObject()
if (id == 0 && info == 0)
{
obj->_secAppLayer->clearFailureLog();
resultData[0] = id;
resultLength = 1;
resultData[0] = ReturnCodes::Success;
resultData[1] = id;
resultLength = 2;
return;
}
resultData[0] = ReturnCodes::GenericError;
resultLength = 1;
},
// State Callback of PID_SECURITY_FAILURES_LOG
[](SecurityInterfaceObject* obj, uint8_t* data, uint8_t length, uint8_t* resultData, uint8_t& resultLength) -> void {
if (length != 3)
{
resultData[0] = 0xF8; // DataVoid
resultData[0] = ReturnCodes::DataVoid;
resultLength = 1;
return;
}
@ -107,38 +119,35 @@ SecurityInterfaceObject::SecurityInterfaceObject()
// failure counters
if (id == 0 && info == 0)
{
resultData[0] = id;
resultData[1] = info;
obj->_secAppLayer->getFailureCounters(&resultData[2]); // Put 8 bytes in the buffer
resultLength = 2 + 8;
resultData[0] = ReturnCodes::Success;
resultData[1] = id;
resultData[2] = info;
obj->_secAppLayer->getFailureCounters(&resultData[3]); // Put 8 bytes in the buffer
resultLength = 3 + 8;
return;
}
// query latest failure by index
else if(id == 1)
{
uint8_t maxBufferSize = resultLength;
// TODO:
//int index = info;
//int i = 0;
//for (var msgInfo : lastFailures) {
// if (i++ == index)
// return new ServiceResult(ByteBuffer.allocate(2 + msgInfo.length).put((byte) id)
// .put((byte) index).put(msgInfo).array());
//}
uint8_t maxBufferSize = resultLength; // Remember the maximum buffer size of the buffer that is provided to us
uint8_t index = info;
uint8_t numBytes = obj->_secAppLayer->getFromFailureLogByIndex(index, &resultData[2], maxBufferSize);
if ( numBytes > 0)
{
resultData[0] = id;
resultData[1] = index;
resultData[0] = ReturnCodes::Success;
resultData[1] = id;
resultData[2] = index;
resultLength += numBytes;
resultLength = 2 + numBytes;
resultLength = 3 + numBytes;
return;
}
resultData[0] = 0xF8; // DataVoid
resultData[0] = ReturnCodes::DataVoid;
resultData[1] = id;
resultLength = 2;
return;
}
resultData[0] = ReturnCodes::GenericError;
resultLength = 1;
}),
new DataProperty( PID_TOOL_KEY, true, PDT_GENERIC_16, 1, ReadLv3 | WriteLv0, (uint8_t*) _fdsk ), // default is FDSK
new DataProperty( PID_SECURITY_REPORT, true, PDT_BITSET8, 1, ReadLv3 | WriteLv0, _secReport ), // Not implemented
@ -158,19 +167,16 @@ void SecurityInterfaceObject::secureApplicationLayer(SecureApplicationLayer& sec
uint8_t* SecurityInterfaceObject::save(uint8_t* buffer)
{
//buffer = pushWord(_ownAddress, buffer);
return InterfaceObject::save(buffer);
}
const uint8_t* SecurityInterfaceObject::restore(const uint8_t* buffer)
{
//buffer = popWord(_ownAddress, buffer);
return InterfaceObject::restore(buffer);
}
uint16_t SecurityInterfaceObject::saveSize()
{
//return 2 + InterfaceObject::saveSize();
return InterfaceObject::saveSize();
}