public static void CreateEntry(string entryName, string url, RASDEVINFO device)
{
var props = new RASENTRY
{
dwSize = Marshal.SizeOf <RASENTRY>(),
szAutodialDll = "",
szAutodialFunc = "",
szAreaCode = "",
szCustomDialDll = "",
szDeviceType = device.szDeviceType,
szDeviceName = device.szDeviceName,
dwType = (int)(RasEntryTypes.Vpn), //vpn
dwEncryptionType = 1, // require
dwFramingProtocol = (int)RasFramingProtocol.Ppp,
dwfNetProtocols = (int)(RasNetProtocols.Ip | RasNetProtocols.Ipv6), //IP and IPv6
dwfOptions = (int)(RasEntryOptions.RemoteDefaultGateway | RasEntryOptions.ModemLights | RasEntryOptions.RequireEncrptedPw | RasEntryOptions.PreviewUserPw | RasEntryOptions.PreviewDomain | RasEntryOptions.ShowDialingProgress),
szLocalPhoneNumber = url,
szScript = "",
dwVpnStrategy = 5, //SstpOnly
szX25Address = "",
szX25Facilities = "",
szX25PadType = "",
szX25UserData = "",
dwfOptions2 = (int)(RasEntryOptions2.DoNotNegotiateMultilink | RasEntryOptions2.ReconnectIfDropped | RasEntryOptions2.UseTypicalSettings | RasEntryOptions2.IPv6RemoteDefaultGateway),
szDnsSuffix = "",
szPrerequisitePbk = "",
szPrerequisiteEntry = "",
dwRedialCount = 3000,
dwRedialPause = 3,
};
Checked("RasSetEntryProperties", VpnNative.RasSetEntryProperties(null, entryName, ref props, Marshal.SizeOf <RASENTRY>(), IntPtr.Zero, 0));
}
internal static bool IsHangUp(IntPtr hConn)
{
RASCONNSTATUS status = new RASCONNSTATUS();
status.size = Marshal.SizeOf <RASCONNSTATUS>();
return(VpnNative.RasGetConnectStatus(hConn, ref status) != 0); // as described in Hangup description
}
public static RAS_STATS GetStatisitcs(IntPtr hConn)
{
RAS_STATS status = new RAS_STATS();
status.dwSize = (uint)Marshal.SizeOf <RAS_STATS>();
Checked("RasGetConnectionStatistics", VpnNative.RasGetConnectionStatistics(hConn, ref status));
return(status);
}
public static RASCONNSTATUS GetState(IntPtr hConn)
{
RASCONNSTATUS status = new RASCONNSTATUS();
status.size = Marshal.SizeOf <RASCONNSTATUS>();
Checked("RasGetConnectStatus", VpnNative.RasGetConnectStatus(hConn, ref status));
return(status);
}
public static RAS_PROJECTION_INFO GetProjectionInfoEx(IntPtr hConn)
{
RAS_PROJECTION_INFO info = new RAS_PROJECTION_INFO();
info.version = 4;
int dwSize = Marshal.SizeOf <RAS_PROJECTION_INFO>();
Checked("GetProjectionInfoEx", VpnNative.RasGetProjectionInfoEx(hConn, ref info, ref dwSize));
return(info);
}
internal static string RasErrorMessage(uint errorCode)
{
StringBuilder sb = new StringBuilder(1024);
if (VpnNative.RasGetErrorString(errorCode, sb, sb.Capacity) > 0)
{
return($"Error {errorCode}");
}
return($"{errorCode}: {sb}");
}
public static RASENTRYNAME[] GetEntryNames()
{
int cb = 0;
CheckedInit("RasEnumEntries", VpnNative.RasEnumEntries(IntPtr.Zero, IntPtr.Zero, null, ref cb, out var entries));
if (entries > 0)
{
RASENTRYNAME[] buffer = new RASENTRYNAME[entries];
buffer[0].dwSize = Marshal.SizeOf <RASENTRYNAME>();
Checked("RasEnumEntries", VpnNative.RasEnumEntries(IntPtr.Zero, IntPtr.Zero, buffer, ref cb, out entries));
return(buffer);
}
return(new RASENTRYNAME[0]);
}
public static RASCONN[] GetConnections()
{
int cb = 0;
CheckedInit("RasEnumConnections", VpnNative.RasEnumConnections(null, ref cb, out var connectionCount));
if (connectionCount > 0)
{
RASCONN[] buffer = new RASCONN[connectionCount];
buffer[0].dwSize = Marshal.SizeOf <RASCONN>();
Checked("RasEnumConnections", VpnNative.RasEnumConnections(buffer, ref cb, out connectionCount));
return(buffer);
}
return(new RASCONN[0]);
}
public static RASDEVINFO[] GetDevices()
{
int cb = 0;
CheckedInit("RasEnumDevices", VpnNative.RasEnumDevices(null, ref cb, out var devices));
if (devices > 0)
{
RASDEVINFO[] buffer = new RASDEVINFO[devices];
buffer[0].dwSize = Marshal.SizeOf <RASDEVINFO>();
Checked("RasEnumDevices", VpnNative.RasEnumDevices(buffer, ref cb, out devices));
return(buffer);
}
return(new RASDEVINFO[0]);
}
public static WaitHandle RegisterForTermination(IntPtr handle)
{
var ev = new AutoResetEvent(false);
try
{
Checked("RasEnumEntries", VpnNative.RasConnectionNotification(handle, ev.SafeWaitHandle, RASCN.Disconnection));
}
catch
{
ev.Dispose();
throw;
}
return(ev);
}
public static void DeleteEntry(string name) => Logged("RasDeleteEntry", VpnNative.RasDeleteEntry(null, name));
public static void HangUp(IntPtr hConn) => Logged("RasHangUp", VpnNative.RasHangUp(hConn));
