private void Cleanup()
{
Utils.SafeClose(m_fileDescriptor);
m_fileDescriptor = null;
Utils.SafeDispose(m_builder);
m_builder = null;
}
public AndroidVPNContext(AndroidVPNService service)
{
m_builder = new VpnService.Builder(service);
m_builder.SetConfigureIntent(service.CreateConfigIntent());
InitDNS();
InitMTU();
InitApplications();
}
public void StartVpn()
{
if ((VpnConfig.Handler == null) == (VpnConfig.Socks == null))
{
throw new Exception("Should specify (('Handler' and optional 'SocksPort') or 'Socks') and optional 'DnsResolver'");
}
InitAdapters();
if (_pfd != null)
{
return;
}
var builder = new VpnService.Builder(Bg)
.SetSession("NaiveSocks VPN bridge")
.SetMtu(VpnConfig.Mtu)
.AddAddress(ClientIp, 24)
.AddDnsServer(RouterIp)
.AddRoute("0.0.0.0", 0);
if (VpnConfig.Ipv6)
{
builder.AddAddress(ClientIp6, 126);
builder.AddRoute("::", 0);
}
foreach (var item in VpnConfig.RemoteDns)
{
builder.AddDnsServer(item);
}
var me = Bg.PackageName;
bool isAnyAllowed = false;
if (VpnConfig.EnableAppFilter && !string.IsNullOrEmpty(VpnConfig.AppList))
{
Logging.info("applying AppList...");
foreach (var item in from x in VpnConfig.AppList.Split('\n')
let y = x.Trim()
where y.Length > 0 && y != me
select y)
{
try {
if (VpnConfig.ByPass)
{
builder.AddDisallowedApplication(item);
}
else
{
builder.AddAllowedApplication(item);
isAnyAllowed = true;
}
} catch (Exception e) {
Logging.error($"adding package '{item}': {e.Message}");
}
}
}
if (!isAnyAllowed)
{
builder.AddDisallowedApplication(me);
}
_pfd = builder.Establish();
_running = 1;
Logging.info("VPN established, fd=" + _pfd.Fd);
string dnsgw = null;
if (VpnConfig.DnsGw.IsNullOrEmpty() == false)
{
dnsgw = VpnConfig.DnsGw;
}
else if (VpnConfig.LocalDnsPort > 0)
{
dnsgw = "127.0.0.1:" + VpnConfig.LocalDnsPort;
}
StartTun2Socks("127.0.0.1:" + socksInAdapter.listen.Port, dnsgw);
}
