OPC UA View in ScadaAdmin can’t connect in Wine 9.8

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  • May 29, 2024 at 2:36 am #14549
    zzz
    Participant

    Can connect to remote OPC UA server in ScadaAdmin, the OPC UA configuration dialog just show an error message: “Error connecting to OPC server: \n Success”

    Adding Console.WriteLine() to ScadaComm/OpenDrivers/DrvOpcUa.View/Forms/FrmDeviceConfig.cs, only gives me this.

    ====START OF ERROR===
    System.Security.Cryptography.CryptographicException: Success.
    at System.Security.Cryptography.X509Certificates.CertificatePal.CopyWithEphem
    eralKey(CngKey cngKey)
    at System.Security.Cryptography.X509Certificates.CertificatePal.CopyWithPriva
    teKey(RSA rsa)
    at System.Security.Cryptography.X509Certificates.RSACertificateExtensions.Cop
    yWithPrivateKey(X509Certificate2 certificate, RSA privateKey)
    at Opc.Ua.Security.Certificates.CertificateBuilder.CreateForRSA()
    at Opc.Ua.Configuration.ApplicationInstance.CreateApplicationInstanceCertific
    ate(ApplicationConfiguration configuration, UInt16 keySize, UInt16 lifeTimeInMon
    ths)
    at Opc.Ua.Configuration.ApplicationInstance.CheckApplicationInstanceCertifica
    te(Boolean silent, UInt16 minimumKeySize, UInt16 lifeTimeInMonths)
    at Scada.Comm.Drivers.DrvOpcUa.OpcClientHelperBase.ConnectAsync() in scada-v6/ScadaComm/OpenDrivers/DrvOpcUa.Common/OpcClientHel
    perBase.cs:line 170
    at Scada.Comm.Drivers.DrvOpcUa.View.Forms.FrmDeviceConfig.ConnectToOpcServer(
    )
    ====END OF ERROR===

    On windows it does give Timeout error, I only have access to that subnet on my Linux box :(.
    Waiting to try wine 9.9.

    May 29, 2024 at 2:41 am #14550
    zzz
    Participant

    DotNet version in Wine

    Host:
    Version: 8.0.2
    Architecture: x64
    Commit: 1381d5ebd2
    RID: win-x64

    May 29, 2024 at 3:03 am #14551
    zzz
    Participant

    The System.Security.Cryptography.CryptographicException: Success behavior is not affected by setting
    Security Mode = None
    Security Policy = None

    May 29, 2024 at 5:15 am #14554
    zzz
    Participant

    Tried to ignore Success error, nothing happens afterwards, no error, no nothing. Its not a Success as claimed. 🙁

    May 29, 2024 at 11:01 am #14565
    Mikhail
    Moderator

    Hello,
    This is probably your pull request? Does i solve the issue?

    May 29, 2024 at 2:27 pm #14569
    zzz
    Participant

    That PR works, its just unclear to me if skipping cert check simply like that is consistent enough to not leave bugs like uninitialized sth. … since I only tested it on ScadaAdmin+dotnet8+Wine9 which is at most momentary, compared to Communicator.
    Anyway at least, if secmode is disabled as none, encryption stuff being left alone, seem logical to me.

    May 30, 2024 at 1:51 am #14574
    zzz
    Participant

    I am afraid, I am not thinking straight by turning off encryption and configuring on wine, due to limited connectivity, though the vlans are strictly isolated and secured enough, tough I do feel that leaving PKI dependency while encryption is disabled is not reasonable.
    Please see my other new thread, compared to that, I think this issue affects less people.

    May 30, 2024 at 9:03 am #14580
    Mikhail
    Moderator

    OK, let’s continue in this thread.

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