C++ (Cpp) CGXByteBuffer::Compare Examples

Example #1

File: GXDLMSBase.cpp Project: Gurux/Gurux.DLMS.cpp

DLMS_SOURCE_DIAGNOSTIC CGXDLMSBase::ValidateAuthentication(
    DLMS_AUTHENTICATION authentication,
    CGXByteBuffer& password)
{
    if (authentication == DLMS_AUTHENTICATION_NONE)
    {
        //Uncomment this if authentication is always required.
        //return DLMS_SOURCE_DIAGNOSTIC_AUTHENTICATION_MECHANISM_NAME_REQUIRED;
    }

    if (authentication == DLMS_AUTHENTICATION_LOW)
    {
        CGXByteBuffer expected;
        std::string name = "0.0.40.0.0.255";
        if (GetUseLogicalNameReferencing())
        {
            CGXDLMSAssociationLogicalName* ln =
                (CGXDLMSAssociationLogicalName*)GetItems().FindByLN(
                    DLMS_OBJECT_TYPE_ASSOCIATION_LOGICAL_NAME, name);
            expected = ln->GetSecret();
        }
        else
        {
            CGXDLMSAssociationShortName* sn =
                (CGXDLMSAssociationShortName*)GetItems().FindByLN(
                    DLMS_OBJECT_TYPE_ASSOCIATION_SHORT_NAME, name);
            expected = sn->GetSecret();
        }
        if (expected.Compare(password.GetData(), password.GetSize()))
        {
            return DLMS_SOURCE_DIAGNOSTIC_NONE;
        }
        return DLMS_SOURCE_DIAGNOSTIC_AUTHENTICATION_FAILURE;
    }
    // Other authentication levels are check on phase two.
    return DLMS_SOURCE_DIAGNOSTIC_NONE;
}