public void Run()
{
Int64 now = UtilsCore.UnixTimeStampMs();
m_timeLastStart = now;
OnRun();
m_timeLastEnd = now;
if (m_thread != null)
{
m_thread = null;
}
}
// Note: If cache is expired, but new query don't return IPs, old cache it's returned.
public static IpAddresses ResolveDNS(string host, bool nocache)
{
if (nocache)
{
return(Platform.Instance.ResolveDNS(host));
}
else
{
DnsManagerEntry entry = null;
lock (m_cache)
{
if (m_cache.ContainsKey(host))
{
entry = m_cache[host];
}
else
{
entry = new DnsManagerEntry();
}
}
Int64 now = UtilsCore.UnixTimeStamp();
Int64 delay = now - entry.TimeStamp;
Int64 ttl = 3600;
if ((Engine.Instance != null) && (Engine.Instance.Storage != null))
{
ttl = Engine.Instance.Storage.GetInt("dns.cache.ttl");
}
if (delay >= ttl)
{
IpAddresses result = Platform.Instance.ResolveDNS(host);
if (result.Count != 0)
{
entry.Response = result;
entry.TimeStamp = now;
lock (m_cache)
{
m_cache[host] = entry;
}
}
}
return(entry.Response);
}
}
public string Refresh()
{
m_lastRefreshTry = UtilsCore.UnixTimeStamp();
Engine.Instance.Logs.Log(LogType.Verbose, Messages.ManifestUpdate);
string globalResult = "";
// TOOPTIMIZE: Stop at first error
foreach (Provider provider in Providers)
{
if (provider.Enabled)
{
string result = provider.Refresh();
if (result != "")
{
if (Engine.Instance.ConnectionActive == null) // Note: only if not connected, otherwise misunderstanding.
{
if (Engine.Instance.Storage.GetBool("ui.skip.provider.manifest.failed") == false)
{
Engine.Instance.OnProviderManifestFailed(provider);
}
}
if (globalResult != "")
{
globalResult += "; ";
}
globalResult += result;
}
}
}
Engine.Instance.PostManifestUpdate();
if (globalResult == "")
{
Engine.Instance.Logs.Log(LogType.Verbose, Messages.ManifestDone);
m_lastRefreshDone = UtilsCore.UnixTimeStamp();
}
return(globalResult);
}
public bool NeedUpdate(bool recommended)
{
Int64 refreshInterval = Engine.Instance.Storage.GetInt("advanced.manifest.refresh");
if (refreshInterval == 0)
{
return(false);
}
if (refreshInterval < 0)
{
refreshInterval = 10; // Default
}
if (m_lastRefreshTry + 60 * refreshInterval < UtilsCore.UnixTimeStamp())
{
return(true);
}
return(false);
}
public void DoRefresh(bool force)
{
bool postRefreshRecompute = force;
foreach (Provider provider in Providers)
{
if (provider.Enabled)
{
if ((force) || (provider.GetNeedRefresh()))
{
postRefreshRecompute = true;
string result = provider.OnRefresh();
if (result != "")
{
if (Engine.Instance.ConnectionActive == null) // Note: only if not connected, otherwise misunderstanding.
{
if (Engine.Instance.Storage.GetBool("ui.skip.provider.manifest.failed") == false)
{
Engine.Instance.OnProviderManifestFailed(provider);
}
}
}
}
}
}
if (postRefreshRecompute)
{
Engine.Instance.PostManifestUpdate();
}
m_lastRefreshDone = UtilsCore.UnixTimeStamp();
if (InvalidateWithNextRefresh)
{
InvalidateWithNextRefresh = false;
Engine.Instance.InvalidateConnections();
}
}
public static string FormatTime(Int64 unix)
{
if (unix == 0)
{
return("-");
}
string o = "";
Int64 now = UtilsCore.UnixTimeStamp();
if (unix == now)
{
o = GetText("TimeJustNow");
}
else if (unix < now)
{
o = FormatSeconds(now - unix) + " " + GetText("TimeAgo");
}
else
{
o = FormatSeconds(unix - now) + " " + GetText("TimeRemain");
}
return(o);
}
public void CheckRun()
{
if (m_cancelRequested)
{
return;
}
Int64 now = UtilsCore.UnixTimeStampMs();
if (m_thread != null)
{
// Already running
}
else if ((m_timeLastStart != 0) && (m_timeLastEnd < m_timeLastStart))
{
// Already running
}
else if (now - m_timeLastEnd < m_timeEvery)
{
// Not need
}
else
{
//Engine.Instance.Logs.LogVerbose("Run job " + this.GetType().FullName);
if (GetSync())
{
Run();
}
else
{
m_thread = new System.Threading.Thread(this.Run);
m_thread.Priority = GetPriority();
m_thread.Start();
}
}
}
public void LogDebug(string message)
{
long ts = UtilsCore.UnixTimeStampMs();
LogVerbose(ts.ToString() + ":" + message);
}
public virtual string OnRefresh()
{
m_lastTryRefresh = UtilsCore.UnixTimeStamp();
return("");
}
public virtual string HashSHA256(string str)
{
return(UtilsCore.HashSHA256(ID + "-" + str));
}
private static bool AllowPath(string path)
{
string sha256 = "";
string signId = "";
if (Platform.Instance.FileExists(path) == false)
{
return(false);
}
List <string> trustedPaths = Platform.Instance.GetTrustedPaths();
foreach (string trustedPath in trustedPaths)
{
if (path.StartsWith(trustedPath, StringComparison.InvariantCulture))
{
return(true);
}
}
// Avoid if possible any shell before the storage init.
if (Engine.Instance.Storage == null)
{
return(false);
}
Json rulesCustom = Engine.Instance.Storage.GetJson("external.rules");
for (int r = 0; r < 2; r++)
{
Json rules = null;
if (r == 0)
{
if (Engine.Instance.Storage.GetBool("external.rules.recommended"))
{
rules = Engine.Instance.Manifest["external-rules-recommended"].Value as Json;
}
else
{
continue;
}
}
else if (r == 1)
{
rules = rulesCustom;
}
foreach (Json rule in rules.GetArray())
{
string type = rule["type"].Value as string;
if (type == "all")
{
return(true);
}
if (type == "sign")
{
if (signId == "")
{
signId = Platform.Instance.FileGetSignedId(path);
}
if (rule["id"].Value as string == signId)
{
return(true);
}
}
if (type == "sha256")
{
if (sha256 == "")
{
sha256 = UtilsCore.HashSHA256File(path);
}
if (rule["hash"].Value as string == sha256)
{
return(true);
}
}
if (type == "path")
{
if (rule["path"].Value as string == path)
{
return(true);
}
}
}
}
// Ensure compute, Report and result
if (signId == "")
{
signId = Platform.Instance.FileGetSignedId(path);
}
if (sha256 == "")
{
sha256 = UtilsCore.HashSHA256File(path);
}
Json askToUi = new Json();
askToUi["sha256"].Value = sha256;
askToUi["sign-id"].Value = signId;
askToUi["path"].Value = path;
// Propose to add rule to UI
Json replyUi = Engine.Instance.OnAskShellExternalPermission(askToUi);
if (replyUi.HasKey("allow"))
{
if (Convert.ToBoolean(replyUi["allow"].Value) == false)
{
return(false);
}
}
if (replyUi.HasKey("type"))
{
replyUi.RemoveKey("allow");
rulesCustom.Append(replyUi);
Engine.Instance.Storage.SetJson("external.rules", rulesCustom);
return(AllowPath(path));
}
if (replyUi.HasKey("allow"))
{
if (Convert.ToBoolean(replyUi["allow"].Value) == true)
{
return(true);
}
}
//Engine.Instance.Storage.SetJson("external.rules", rules);
return(false);
}
public bool VersionAboveOrEqual(string v)
{
return(UtilsCore.CompareVersions(Version, v) >= 0);
}
public bool VersionUnder(string v)
{
return(UtilsCore.CompareVersions(Version, v) == -1);
}
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 = circuit.ToLowerInvariant().RegExMatchOne("\\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 = line.RegExMatchOne("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 = bridge.ToLowerInvariant().RegExMatchSingle("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, LanguageManager.GetText("TorControlMeekUnsupported"));
}
if (ips.Count == 0)
{
Engine.Instance.Logs.Log(LogType.Warning, LanguageManager.GetText("TorControlNoIps"));
//throw new Exception(Messages.TorControlNoIps);
}
else
{
string list = String.Join("; ", ipsMessages.ToArray());
Engine.Instance.Logs.Log(LogType.Verbose, LanguageManager.GetText("TorControlGuardIps", list));
}
}
}
catch (Exception e)
{
//throw new Exception(LanguageManager.GetText("TorControlException, e.Message));
Engine.Instance.Logs.Log(LogType.Warning, LanguageManager.GetText("TorControlException", e.Message));
}
m_lastGuardIps = ips;
m_lastGuardTime = now;
return(ips);
}
public void Start()
{
m_command = new ElevatedProcess.Command();
if (Platform.Instance.NeedExecuteOutsideAppPath(ExePath))
{
string tempPathToDelete = UtilsCore.GetTempPath() + "/openvpn-" + RandomGenerator.GetHash();
if (Platform.Instance.FileExists(tempPathToDelete))
{
Platform.Instance.FileDelete(tempPathToDelete);
}
System.IO.File.Copy(ExePath, tempPathToDelete);
ExePath = tempPathToDelete;
DeleteAfterStart = true;
}
m_command.Parameters["command"] = "process_openvpn";
m_command.Parameters["path"] = ExePath;
m_command.Parameters["airbuild"] = (AirBuild ? "y":"n");
m_command.Parameters["gui-version"] = Constants.Name + Constants.VersionDesc;
m_command.Parameters["config"] = ConfigPath;
m_command.ExceptionEvent += delegate(ElevatedProcess.Command cmd, string message)
{
StdErr.Write("Error: " + message);
};
m_command.ReceiveEvent += delegate(ElevatedProcess.Command cmd, string data)
{
string feedbackType = data.Substring(0, 6);
string feedbackData = data.Substring(7);
if (feedbackType == "stdout")
{
StdOut.Write(feedbackData);
}
else if (feedbackType == "stderr")
{
StdErr.Write(feedbackData);
}
else if (feedbackType == "procid")
{
m_pid = Conversions.ToInt32(feedbackData);
if (DeleteAfterStart)
{
Platform.Instance.FileDelete(ExePath);
}
}
else if (feedbackType == "return")
{
}
};
m_command.CompleteEvent += delegate(ElevatedProcess.Command cmd)
{
StdOut.Stop();
StdErr.Stop();
if (EndEvent != null)
{
EndEvent();
}
};
m_command.DoASync();
}
