public void CloseSession(NetworkFilter.IpFilter instance, Sublayer sublayer)
{
if (instance.Session.Type == SessionType.Permanent)
{
sublayer.DestroyAllFilters();
}
instance.Session.Close();
}
private void CreatePermanentFilters()
{
var session = Session.Permanent();
if (NetworkFilter.IpFilter.IsRegistered(session, _providerGuid))
{
session.Close();
return;
}
try
{
ExecuteTransaction(session, () =>
{
NetworkFilter.IpFilter instance = NetworkFilter.IpFilter.Create(session,
new DisplayData {
Name = "ProtonVPN Permanent Provider"
},
true,
_providerGuid);
instance.CreateSublayer(new DisplayData {
Name = "ProtonVPN Permanent Sublayer"
},
PermanentSublayerWeight,
true,
_sublayerGuid);
instance.CreateCallout(
new DisplayData
{
Name = "ProtonVPN block dns callout",
Description = "Sends server failure packet response for non TAP/TUN DNS queries.",
},
DnsCalloutGuid,
Layer.OutboundIPPacketV4,
true);
});
}
catch (NetworkFilterException e)
{
_logger.Error(e);
throw;
}
finally
{
session.Close();
}
}
private void CreatePermanentSession()
{
PermanentInstance = new NetworkFilter.IpFilter(Session.Permanent(), _providerGuid);
PermanentSublayer = new Sublayer(PermanentInstance, _sublayerGuid);
}
