public ConnectionActive BuildConnectionActive(bool preview)
{
// If preview, no physical additional files are created.
ConnectionActive connectionActive = new ConnectionActive();
Storage s = Engine.Instance.Storage;
connectionActive.OpenVpnProfileStartup = new OvpnBuilder();
OvpnBuilder ovpn = connectionActive.OpenVpnProfileStartup;
ovpn.AppendDirective("setenv", "IV_GUI_VER " + Constants.Name + Constants.VersionDesc, "Client level");
if (s.GetBool("openvpn.skip_defaults") == false)
{
ovpn.AppendDirectives(Engine.Instance.Storage.Get("openvpn.directives"), "Client level");
string directivesPath = Engine.Instance.Storage.Get("openvpn.directives.path");
if (directivesPath.Trim() != "")
{
try
{
if (Platform.Instance.FileExists(directivesPath))
{
string text = Platform.Instance.FileContentsReadText(directivesPath);
ovpn.AppendDirectives(text, "Client level");
}
else
{
Engine.Instance.Logs.Log(LogType.Warning, MessagesFormatter.Format(Messages.FileNotFound, directivesPath));
}
}
catch (Exception ex)
{
Engine.Instance.Logs.Log(LogType.Warning, MessagesFormatter.Format(Messages.FileErrorRead, directivesPath, ex.Message));
}
}
Provider.OnBuildOvpnDefaults(ovpn);
ovpn.AppendDirectives(OvpnDirectives, "Server level");
if (Path != "")
{
if (Platform.Instance.FileExists(Path))
{
string text = Platform.Instance.FileContentsReadText(Path);
ovpn.AppendDirectives(text, "Config file");
string dirPath = Platform.Instance.FileGetDirectoryPath(Path);
ovpn.NormalizeRelativePath(dirPath);
}
}
}
if (s.Get("openvpn.dev_node") != "")
{
ovpn.AppendDirective("dev-node", s.Get("openvpn.dev_node"), "");
}
if (s.Get("network.entry.iface") != "")
{
ovpn.AppendDirective("local", s.Get("network.entry.iface"), "");
ovpn.RemoveDirective("nobind");
}
else
{
ovpn.RemoveDirective("local");
ovpn.AppendDirective("nobind", "", "");
}
int rcvbuf = s.GetInt("openvpn.rcvbuf");
if (rcvbuf == -2)
{
rcvbuf = Platform.Instance.GetRecommendedRcvBufDirective();
}
if (rcvbuf == -2)
{
rcvbuf = -1;
}
if (rcvbuf != -1)
{
ovpn.AppendDirective("rcvbuf", rcvbuf.ToString(), "");
}
int sndbuf = s.GetInt("openvpn.sndbuf");
if (sndbuf == -2)
{
sndbuf = Platform.Instance.GetRecommendedSndBufDirective();
}
if (sndbuf == -2)
{
sndbuf = -1;
}
if (sndbuf != -1)
{
ovpn.AppendDirective("sndbuf", sndbuf.ToString(), "");
}
string proxyDirectiveName = "";
string proxyDirectiveArgs = "";
string proxyMode = s.GetLower("proxy.mode");
string proxyWhen = s.GetLower("proxy.when");
if ((proxyWhen == "none") || (proxyWhen == "web"))
{
proxyMode = "none";
}
if (proxyMode == "tor")
{
proxyDirectiveName = "socks-proxy";
}
else if (proxyMode == "http")
{
proxyDirectiveName = "http-proxy";
}
else if (proxyMode == "socks")
{
proxyDirectiveName = "socks-proxy";
}
if (proxyDirectiveName != "")
{
proxyDirectiveArgs += s.Get("proxy.host") + " " + s.Get("proxy.port");
if ((s.GetLower("proxy.mode") != "none") && (s.GetLower("proxy.mode") != "tor"))
{
if (s.Get("proxy.auth") != "None")
{
string fileNameAuthOvpn = "";
if (preview)
{
fileNameAuthOvpn = "dummy.ppw";
}
else
{
connectionActive.ProxyAuthFile = new TemporaryFile("ppw");
fileNameAuthOvpn = connectionActive.ProxyAuthFile.Path;
string fileNameData = s.Get("proxy.login") + "\n" + s.Get("proxy.password") + "\n";
Platform.Instance.FileContentsWriteText(connectionActive.ProxyAuthFile.Path, fileNameData, Encoding.Default); // TOFIX: Check if OpenVPN expect UTF-8
Platform.Instance.FileEnsurePermission(connectionActive.ProxyAuthFile.Path, "600");
Platform.Instance.FileEnsureOwner(connectionActive.ProxyAuthFile.Path);
}
proxyDirectiveArgs += " " + ovpn.EncodePath(fileNameAuthOvpn) + " " + s.Get("proxy.auth").ToLowerInvariant(); // 2.6 Auth Fix
}
}
ovpn.AppendDirective(proxyDirectiveName, proxyDirectiveArgs, "");
}
if (Common.Constants.FeatureIPv6ControlOptions)
{
if (s.GetLower("network.ipv4.mode") == "in")
{
connectionActive.TunnelIPv4 = true;
}
else if (s.GetLower("network.ipv4.mode") == "in-out")
{
if (SupportIPv4)
{
connectionActive.TunnelIPv4 = true;
}
else
{
connectionActive.TunnelIPv4 = false;
}
}
else if (s.GetLower("network.ipv4.mode") == "in-block")
{
if (SupportIPv4)
{
connectionActive.TunnelIPv4 = true;
}
else
{
connectionActive.TunnelIPv4 = false; // Out, but doesn't matter, will be blocked.
}
}
else if (s.GetLower("network.ipv4.mode") == "out")
{
connectionActive.TunnelIPv4 = false;
}
else if (s.GetLower("network.ipv4.mode") == "block")
{
connectionActive.TunnelIPv4 = false; // Out, but doesn't matter, will be blocked.
}
if (Engine.Instance.GetNetworkIPv6Mode() == "in")
{
connectionActive.TunnelIPv6 = true;
}
else if (Engine.Instance.GetNetworkIPv6Mode() == "in-out")
{
if (SupportIPv6)
{
connectionActive.TunnelIPv6 = true;
}
else
{
connectionActive.TunnelIPv6 = false;
}
}
else if (Engine.Instance.GetNetworkIPv6Mode() == "in-block")
{
if (SupportIPv6)
{
connectionActive.TunnelIPv6 = true;
}
else
{
connectionActive.TunnelIPv6 = false;
}
}
else if (Engine.Instance.GetNetworkIPv6Mode() == "out")
{
connectionActive.TunnelIPv6 = false;
}
else if (Engine.Instance.GetNetworkIPv6Mode() == "block")
{
connectionActive.TunnelIPv6 = false;
}
if (Software.GetTool("openvpn").VersionAboveOrEqual("2.4"))
{
ovpn.RemoveDirective("redirect-gateway"); // Remove if exists
ovpn.AppendDirective("pull-filter", "ignore \"redirect-gateway\"", "Forced at client side");
if (connectionActive.TunnelIPv6 == false)
{
ovpn.AppendDirective("pull-filter", "ignore \"dhcp-option DNS6\"", "Client side");
ovpn.AppendDirective("pull-filter", "ignore \"tun-ipv6\"", "Client side");
ovpn.AppendDirective("pull-filter", "ignore \"ifconfig-ipv6\"", "Client side");
}
if ((connectionActive.TunnelIPv4 == false) && (connectionActive.TunnelIPv6 == false))
{
// no redirect-gateway
}
else if ((connectionActive.TunnelIPv4 == true) && (connectionActive.TunnelIPv6 == false))
{
ovpn.AppendDirective("redirect-gateway", "def1 bypass-dhcp", "");
}
else if ((connectionActive.TunnelIPv4 == false) && (connectionActive.TunnelIPv6 == true))
{
ovpn.AppendDirective("redirect-gateway", "ipv6 !ipv4 def1 bypass-dhcp", "");
}
else
{
ovpn.AppendDirective("redirect-gateway", "ipv6 def1 bypass-dhcp", "");
}
}
else
{
// OpenVPN <2.4, IPv6 not supported, IPv4 required.
connectionActive.TunnelIPv4 = true;
connectionActive.TunnelIPv6 = false;
if (connectionActive.TunnelIPv4)
{
ovpn.AppendDirective("redirect-gateway", "def1 bypass-dhcp", "");
}
else
{
ovpn.AppendDirective("route-nopull", "", "For Routes Out");
// 2.9, this is used by Linux resolv-conf DNS method. Need because route-nopull also filter pushed dhcp-option.
// Incorrect with other provider, but the right-approach (pull-filter based) require OpenVPN <2.4.
ovpn.AppendDirective("dhcp-option", "DNS " + Common.Constants.DnsVpn, "");
}
}
}
else
{
string routesDefault = s.Get("routes.default");
connectionActive.TunnelIPv4 = (routesDefault == "in");
connectionActive.TunnelIPv6 = (routesDefault == "in");
if (routesDefault == "out")
{
if (Software.GetTool("openvpn").VersionAboveOrEqual("2.4"))
{
ovpn.RemoveDirective("redirect-gateway"); // Remove if exists
ovpn.AppendDirective("pull-filter", "ignore \"redirect-gateway\"", "For Routes Out");
}
else // Compatibility <2.4
{
ovpn.AppendDirective("route-nopull", "", "For Routes Out");
// For DNS
// < 2.9. route directive useless, and DNS are forced manually in every supported platform. // TOCLEAN
/*
* ovpn += "dhcp-option DNS " + Constants.DnsVpn + "\n"; // Manually because route-nopull skip it
* ovpn += "route 10.4.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.5.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.6.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.7.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.8.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.9.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.30.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
* ovpn += "route 10.50.0.1 255.255.255.255 vpn_gateway # AirDNS\n";
*/
// 2.9, this is used by Linux resolv-conf DNS method. Need because route-nopull also filter pushed dhcp-option.
// Incorrect with other provider, but the right-approach (pull-filter based) require OpenVPN <2.4.
ovpn.AppendDirective("dhcp-option", "DNS " + Common.Constants.DnsVpn, "");
}
}
}
// For Checking
foreach (IpAddress ip in IpsExit.IPs)
{
connectionActive.AddRoute(ip, "vpn_gateway", "For Checking Route");
}
string routes = s.Get("routes.custom");
string[] routes2 = routes.Split(';');
foreach (string route in routes2)
{
string[] routeEntries = route.Split(',');
if (routeEntries.Length != 3)
{
continue;
}
string ipCustomRoute = routeEntries[0];
IpAddresses ipsCustomRoute = new IpAddresses(ipCustomRoute);
if (ipsCustomRoute.Count == 0)
{
Engine.Instance.Logs.Log(LogType.Verbose, MessagesFormatter.Format(Messages.CustomRouteInvalid, ipCustomRoute.ToString()));
}
else
{
string action = routeEntries[1];
string notes = routeEntries[2];
foreach (IpAddress ip in ipsCustomRoute.IPs)
{
bool layerIn = false;
if (ip.IsV4)
{
layerIn = connectionActive.TunnelIPv4;
}
else if (ip.IsV6)
{
layerIn = connectionActive.TunnelIPv6;
}
string gateway = "";
if ((layerIn == false) && (action == "in"))
{
gateway = "vpn_gateway";
}
if ((layerIn == true) && (action == "out"))
{
gateway = "net_gateway";
}
if (gateway != "")
{
connectionActive.AddRoute(ip, gateway, (notes != "") ? UtilsString.StringSafe(notes) : ipCustomRoute);
}
}
}
}
if (proxyMode == "tor")
{
if (preview == false)
{
TorControl.SendNEWNYM();
}
IpAddresses torNodeIps = TorControl.GetGuardIps((preview == false));
foreach (IpAddress torNodeIp in torNodeIps.IPs)
{
if (((connectionActive.TunnelIPv4) && (torNodeIp.IsV4)) ||
((connectionActive.TunnelIPv6) && (torNodeIp.IsV6)))
{
connectionActive.AddRoute(torNodeIp, "net_gateway", "Tor Guard");
}
}
}
{
string managementPasswordFile = "dummy.ppw";
if (preview == false)
{
connectionActive.ManagementPassword = RandomGenerator.GetHash();
connectionActive.ManagementPasswordFile = new TemporaryFile("ppw");
managementPasswordFile = connectionActive.ManagementPasswordFile.Path;
Platform.Instance.FileContentsWriteText(managementPasswordFile, connectionActive.ManagementPassword, Encoding.ASCII); // UTF8 not recognized by OpenVPN
Platform.Instance.FileEnsurePermission(managementPasswordFile, "600");
Platform.Instance.FileEnsureOwner(managementPasswordFile);
}
ovpn.AppendDirective("management", "127.0.0.1 " + Engine.Instance.Storage.Get("openvpn.management_port") + " " + ovpn.EncodePath(managementPasswordFile), "");
}
// TOCLEAN - Moved bottom in 2.14.0
// ovpn.AppendDirectives(Engine.Instance.Storage.Get("openvpn.custom"), "Custom level");
// Experimental - Allow identification as Public Network in Windows. Advanced Option?
// ovpn.Append("route-metric 512");
// ovpn.Append("route 0.0.0.0 0.0.0.0");
Provider.OnBuildConnectionActive(this, connectionActive);
Provider.OnBuildConnectionActiveAuth(connectionActive);
Platform.Instance.OnBuildOvpn(ovpn);
ovpn.AppendDirectives(Engine.Instance.Storage.Get("openvpn.custom"), "Custom level");
foreach (ConnectionActiveRoute route in connectionActive.Routes)
{
if ((route.Address.IsV6) || (Constants.FeatureAlwaysBypassOpenvpnRoute))
{
}
else
{
// We never find a better method to manage IPv6 route via OpenVPN, at least <2.4.4
ovpn.AppendDirective("route", route.Address.ToOpenVPN() + " " + route.Gateway, UtilsString.StringSafe(route.Notes));
}
}
ovpn.Normalize();
return(connectionActive);
}
public void Save()
{
string path = GetProfilePath();
bool remember = GetBool("remember");
lock (this)
{
try
{
XmlDocument xmlDoc = new XmlDocument();
XmlDeclaration xmlDeclaration = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);
XmlElement rootNode = xmlDoc.CreateElement("eddie");
xmlDoc.InsertBefore(xmlDeclaration, xmlDoc.DocumentElement);
XmlElement optionsNode = xmlDoc.CreateElement("options");
rootNode.AppendChild(optionsNode);
xmlDoc.AppendChild(rootNode);
foreach (Option option in Options.Values)
{
bool skip = false;
if ((remember == false) && (option.Code == "login"))
{
skip = true;
}
if ((remember == false) && (option.Code == "password"))
{
skip = true;
}
if (option.CommandLineOnly)
{
skip = true;
}
if ((option.Value == "") || (option.Value == option.Default))
{
skip = true;
}
if (skip == false)
{
XmlElement itemNode = xmlDoc.CreateElement("option");
itemNode.SetAttribute("name", option.Code);
itemNode.SetAttribute("value", option.Value);
optionsNode.AppendChild(itemNode);
}
}
XmlElement providersNode = xmlDoc.CreateElement("providers");
rootNode.AppendChild(providersNode);
foreach (Provider provider in Engine.Instance.ProvidersManager.Providers)
{
XmlNode providerNode = xmlDoc.ImportNode(provider.Storage.DocumentElement, true);
providersNode.AppendChild(providerNode);
}
if (Engine.Instance.ProvidersManager.Providers.Count == 1)
{
if (Engine.Instance.ProvidersManager.Providers[0].Code == "AirVPN")
{
// Move providers->AirVPN to root.
XmlElement xmlAirVPN = UtilsXml.XmlGetFirstElementByTagName(providersNode, "AirVPN");
if (xmlAirVPN != null)
{
foreach (XmlElement xmlChild in xmlAirVPN.ChildNodes)
{
UtilsXml.XmlCopyElement(xmlChild, xmlDoc.DocumentElement);
}
providersNode.RemoveChild(xmlAirVPN);
}
if (providersNode.ChildNodes.Count == 0)
{
providersNode.ParentNode.RemoveChild(providersNode);
}
}
}
xmlDoc.Save(path);
Platform.Instance.FileEnsurePermission(path, "600");
}
catch (Exception ex)
{
Engine.Instance.Logs.Log(LogType.Fatal, MessagesFormatter.Format(Messages.OptionsWriteFailed, path, ex.Message));
}
}
}
public void Load()
{
lock (this)
{
try
{
XmlDocument xmlDoc = new XmlDocument();
Providers = xmlDoc.CreateElement("providers");
if (Get("profile").ToLowerInvariant() == "none")
{
return;
}
string path = GetProfilePath();
CompatibilityManager.FixOldProfilePath(path); // 2.15
Engine.Instance.Logs.Log(LogType.Verbose, MessagesFormatter.Format(Messages.OptionsRead, path));
if (Platform.Instance.FileExists(path) == false)
{
Engine.Instance.Logs.Log(LogType.Verbose, Messages.OptionsNotFound);
return;
}
// CompatibilityManager.FixOldProfile(path); // ClodoTemp
xmlDoc.Load(path);
ResetAll(true);
Providers = UtilsXml.XmlGetFirstElementByTagName(xmlDoc.DocumentElement, "providers");
if (Providers == null)
{
Providers = xmlDoc.CreateElement("providers");
}
XmlNode nodeOptions = xmlDoc.DocumentElement.GetElementsByTagName("options")[0];
Dictionary <string, string> options = new Dictionary <string, string>();
foreach (XmlElement e in nodeOptions)
{
string name = e.Attributes["name"].Value;
string value = e.Attributes["value"].Value;
CompatibilityManager.FixOption(ref name, ref value);
options[name] = value;
}
CompatibilityManager.FixOptions(options);
foreach (KeyValuePair <string, string> item in options)
{
Set(item.Key, item.Value);
}
// For compatibility <3
XmlElement xmlManifest = UtilsXml.XmlGetFirstElementByTagName(xmlDoc.DocumentElement, "manifest");
if (xmlManifest != null)
{
XmlElement providerAirVpn = xmlDoc.CreateElement("AirVPN");
Providers.AppendChild(providerAirVpn);
UtilsXml.XmlCopyElement(xmlManifest, providerAirVpn);
XmlElement xmlUser = UtilsXml.XmlGetFirstElementByTagName(xmlDoc.DocumentElement, "user");
if (xmlUser != null) // Compatibility with old manifest < 2.11
{
XmlElement oldKeyFormat = xmlUser.SelectSingleNode("keys/key[@id='default']") as XmlElement;
if (oldKeyFormat != null)
{
oldKeyFormat.SetAttribute("name", "Default");
}
}
if (xmlUser != null)
{
UtilsXml.XmlCopyElement(xmlUser, providerAirVpn);
}
}
}
catch (Exception ex)
{
Engine.Instance.Logs.Log(LogType.Fatal, MessagesFormatter.Format(Messages.OptionsReverted, ex.Message));
ResetAll(true);
}
}
}
public static IpAddresses GetGuardIps(bool force)
{
// This is called a lots of time.
Int64 now = UtilsCore.UnixTimeStamp();
if ((force == false) && ((now - m_lastGuardTime < 60)))
{
return(m_lastGuardIps);
}
IpAddresses ips = new IpAddresses();
try
{
string controlHost = Engine.Instance.Storage.Get("proxy.host").ToLowerInvariant().Trim();
if ((controlHost != "127.0.0.1") && (controlHost.ToLowerInvariant() != "localhost"))
{
// Guard IPS are used to avoid routing loop, that occur only if the Tor host is the same machine when OpenVPN run.
return(ips);
}
List <string> ipsMessages = new List <string>();
using (TcpClient s = new TcpClient())
{
Connect(s);
Write(s, "getinfo circuit-status\n");
Flush(s);
string circuits = Read(s);
string[] circuitsLines = circuits.Split('\n');
foreach (string circuit in circuitsLines)
{
string id = UtilsString.RegExMatchOne(circuit.ToLowerInvariant(), "\\d+\\sbuilt\\s\\$([0-9a-f]+)");
if (id != "")
{
Write(s, "getinfo ns/id/" + id.ToUpperInvariant() + "\n");
string nodeInfo = Read(s);
string[] nodeLines = nodeInfo.Split('\n');
foreach (string line in nodeLines)
{
string ip = UtilsString.RegExMatchOne(line, "r\\s.+?\\s.+?\\s.+?\\s.+?\\s.+?\\s(.+?)\\s");
if ((IpAddress.IsIP(ip)) && (!ips.Contains(ip)))
{
ips.Add(ip);
ipsMessages.Add(ip + " (circuit)");
}
}
}
}
Write(s, "getconf bridge\n");
Flush(s);
string bridges = Read(s);
if (bridges.IndexOf("meek") == -1) //Panic if we have meek enabled, don't yet know what to do :-(
{
string[] bridgeLines = bridges.Split('\n');
foreach (string bridge in bridgeLines)
{
List <string> matches = UtilsString.RegExMatchSingle(bridge.ToLowerInvariant(), "250.bridge=(.+?)\\s([0-9a-f\\.\\:]+?):\\d+\\s");
if ((matches != null) && (matches.Count == 2))
{
string bridgeType = matches[0];
string ip = matches[1];
if ((IpAddress.IsIP(ip)) && (!ips.Contains(ip)))
{
ips.Add(matches[1]);
ipsMessages.Add(matches[1] + " (" + bridgeType + ")");
}
}
}
}
else
{
Engine.Instance.Logs.Log(LogType.Warning, Messages.TorControlMeekUnsupported);
}
if (ips.Count == 0)
{
Engine.Instance.Logs.Log(LogType.Warning, Messages.TorControlNoIps);
//throw new Exception(Messages.TorControlNoIps);
}
else
{
string list = String.Join("; ", ipsMessages.ToArray());
Engine.Instance.Logs.Log(LogType.Verbose, MessagesFormatter.Format(Messages.TorControlGuardIps, list));
}
}
}
catch (Exception e)
{
//throw new Exception(MessagesFormatter.Format(Messages.TorControlException, e.Message));
Engine.Instance.Logs.Log(LogType.Warning, MessagesFormatter.Format(Messages.TorControlException, e.Message));
}
m_lastGuardIps = ips;
m_lastGuardTime = now;
return(ips);
}
