//********************************************************************************************
// Function: InitializeDrt
//
// Description: Initializes and brings a DRT instance online
// 1) Brings up an ipv6 transport layer
// 2) Attaches a security provider (according to user's choice)
// 3) Attaches a bootstrap provider (according to user's choice)
// 4) Calls DrtOpen to bring the DRT instance online
//
//********************************************************************************************
private static bool InitializeDrt(DRT_CONTEXT Drt)
{
string pwszCompName = default;
string pwszBootstrapHostname = null;
//
// Initialize DrtSettings
//
Drt.port = 0;
Drt.settings.pwzDrtInstancePrefix = "Local_DRT";
Drt.settings.dwSize = (uint)Marshal.SizeOf <DRT_SETTINGS>();
Drt.settings.cbKey = 32; // KEYSIZE
Drt.settings.ulMaxRoutingAddresses = 4;
Drt.settings.bProtocolMajorVersion = 0x6;
Drt.settings.bProtocolMinorVersion = 0x65;
Drt.settings.eSecurityMode = DRT_SECURITY_MODE.DRT_SECURE_CONFIDENTIALPAYLOAD;
Drt.settings.hTransport = default;
Drt.settings.pSecurityProvider = default;
Drt.settings.pBootstrapProvider = default;
Drt.hDrt = default;
//
// *Transport*
//
var hr = DrtCreateIpv6UdpTransport(DRT_SCOPE.DRT_GLOBAL_SCOPE, 0, 300, ref Drt.port, out Drt.settings.hTransport);
if (hr.Failed)
{
DisplayError(hr, "DrtCreateTransport"); goto Cleanup;
}
//
// *Security Provider*
//
if (Drt.SecurityProviderType == 0) //Null Security Provider
{
hr = DrtCreateNullSecurityProvider(out Drt.settings.pSecurityProvider);
}
else if (Drt.SecurityProviderType == 1) //Derived Key Security Provider
{
hr = ReadCertFromFile("RootCertificate.cer", out var pRoot, out _);
if (hr.Failed)
{
Console.Write("No RootCertificate.cer file found in the current directory, Creating a new root certificate.\n");
hr = MakeCert("RootCertificate.cer", "RootCert", default, default);
private static IntPtr AddCtx(DRT_CONTEXT ctx)
{
var id = System.Diagnostics.Process.GetCurrentProcess().Id; contexts.Add(id, ctx); return(new IntPtr(id));
}
