/// <summary>
/// Click event for the network cards.
/// </summary>
/// <param name="localNetworkInterface">The clicked network card.</param>
public void NetworkCardClicked(LocalNetworkInterface localNetworkInterface)
{
if (localNetworkInterface == null)
{
return;
}
if (localNetworkInterface.UseDnsCrypt)
{
var status = LocalNetworkInterfaceManager.SetNameservers(localNetworkInterface, new List <string>(),
NetworkInterfaceComponent.IPv4);
LocalNetworkInterfaceManager.SetNameservers(localNetworkInterface, new List <string>(),
NetworkInterfaceComponent.IPv6);
localNetworkInterface.UseDnsCrypt = !status;
}
else
{
var dns4 = new List <string>();
var dns6 = new List <string>();
if (PrimaryResolver != null)
{
if (!string.IsNullOrEmpty(PrimaryResolver.ProviderPublicKey))
{
// only add the local address if the proxy is running
if (PrimaryDnsCryptProxyManager.DnsCryptProxy.IsReady && PrimaryDnsCryptProxyManager.IsDnsCryptProxyRunning())
{
dns4.Add(Global.PrimaryResolverAddress);
if (_userData.UseIpv6)
{
dns6.Add(Global.PrimaryResolverAddress6);
}
}
}
}
if (SecondaryResolver != null)
{
if (!string.IsNullOrEmpty(SecondaryResolver.ProviderPublicKey))
{
// only add the local address if the proxy is running
if (SecondaryDnsCryptProxyManager.DnsCryptProxy.IsReady && SecondaryDnsCryptProxyManager.IsDnsCryptProxyRunning())
{
dns4.Add(Global.SecondaryResolverAddress);
if (_userData.UseIpv6)
{
dns6.Add(Global.SecondaryResolverAddress6);
}
}
}
}
var status = LocalNetworkInterfaceManager.SetNameservers(localNetworkInterface, dns4, NetworkInterfaceComponent.IPv4);
if (_userData.UseIpv6)
{
LocalNetworkInterfaceManager.SetNameservers(localNetworkInterface, dns6, NetworkInterfaceComponent.IPv6);
}
localNetworkInterface.UseDnsCrypt = status;
}
LoadNetworkCards();
}
/// <summary>
/// Uninstall all installed dnscrypt-proxy services.
/// </summary>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="NetworkInformationException"></exception>
/// <exception cref="ArgumentNullException"></exception>
public async void UninstallServices()
{
var result = _windowManager.ShowMetroMessageBox(
LocalizationEx.GetUiString("dialog_message_uninstall", Thread.CurrentThread.CurrentCulture),
LocalizationEx.GetUiString("dialog_uninstall_title", Thread.CurrentThread.CurrentCulture),
MessageBoxButton.YesNo, BoxType.Default);
if (result == MessageBoxResult.Yes)
{
IsUninstallingServices = true;
await Task.Run(() =>
{
PrimaryDnsCryptProxyManager.Uninstall();
SecondaryDnsCryptProxyManager.Uninstall();
}).ConfigureAwait(false);
Thread.Sleep(Global.ServiceUninstallTime);
IsUninstallingServices = false;
}
_isPrimaryResolverRunning = PrimaryDnsCryptProxyManager.IsDnsCryptProxyRunning();
NotifyOfPropertyChange(() => IsPrimaryResolverRunning);
_isSecondaryResolverRunning = SecondaryDnsCryptProxyManager.IsDnsCryptProxyRunning();
NotifyOfPropertyChange(() => IsSecondaryResolverRunning);
// recover the network interfaces (also the hidden and down cards)
foreach (var nic in LocalNetworkInterfaceManager.GetLocalNetworkInterfaces(true, false))
{
if (!nic.UseDnsCrypt)
{
continue;
}
var status = LocalNetworkInterfaceManager.SetNameservers(nic, new List <string>(), NetworkInterfaceComponent.IPv4);
var card = _localNetworkInterfaces.SingleOrDefault(n => n.Description.Equals(nic.Description));
if (card != null)
{
card.UseDnsCrypt = !status;
}
}
}
private bool HandleNetworkInterfaces(bool enable = true)
{
var succedded = true;
try
{
var listenAddresses = new List <string>(_dnscryptProxyConfiguration.listen_addresses);
if (listenAddresses.Count > 0)
{
var localNetworkInterfaces = LocalNetworkInterfaceManager.GetLocalNetworkInterfaces(listenAddresses);
if (localNetworkInterfaces.Count > 0)
{
foreach (var localNetworkInterface in localNetworkInterfaces)
{
if (enable)
{
if (!localNetworkInterface.UseDnsCrypt)
{
if (LocalNetworkInterfaceManager.SetNameservers(localNetworkInterface, LocalNetworkInterfaceManager.ConvertToDnsList(listenAddresses)))
{
_logger.Log($"set DNS for {localNetworkInterface.Name} succedded", Category.Info, Priority.Medium);
}
else
{
_logger.Log($"failed to unset DNS for {localNetworkInterface.Name}", Category.Warn, Priority.High);
succedded = false;
}
}
}
else
{
if (localNetworkInterface.UseDnsCrypt)
{
if (LocalNetworkInterfaceManager.UnsetNameservers(localNetworkInterface))
{
_logger.Log($"unset DNS for {localNetworkInterface.Name} succedded", Category.Info, Priority.Medium);
}
else
{
_logger.Log($"failed to unset DNS for {localNetworkInterface.Name}", Category.Warn, Priority.High);
succedded = false;
}
}
}
}
}
else
{
_logger.Log($"there are no network interfaces for configuration", Category.Warn, Priority.High);
succedded = false;
}
}
else
{
_logger.Log($"missing listen_addresses in dnscrypt-proxy configuration", Category.Warn, Priority.High);
succedded = false;
}
}
catch (Exception exception)
{
_logger.Log($"HandleNetworkInterfaces {exception.Message}", Category.Exception, Priority.High);
succedded = false;
}
return(succedded);
}
