public OpenVpnChild(OpenVpnServiceConfiguration config, string configFile)
{
this.config = config;
/// SET UP LOG FILES
/* Because we will be using the filenames in our closures,
* so make sure we are working on a copy */
this.configFile = String.Copy(configFile);
var justFilename = System.IO.Path.GetFileName(configFile);
var logFilename = config.logDir + "\\" +
justFilename.Substring(0, justFilename.Length - config.configExt.Length) + ".log";
// FIXME: if (!init_security_attributes_allow_all (&sa))
//{
// MSG (M_SYSERR, "InitializeSecurityDescriptor start_" PACKAGE " failed");
// goto finish;
//}
logFile = new StreamWriter(File.Open(logFilename,
config.logAppend ? FileMode.Append : FileMode.Create,
FileAccess.Write,
FileShare.Read), new UTF8Encoding(false));
/// SET UP PROCESS START INFO
string[] procArgs =
{
"--config",
"\"" + configFile + "\""
};
this.startInfo = new System.Diagnostics.ProcessStartInfo()
{
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden,
FileName = config.exePath,
Arguments = String.Join(" ", procArgs),
WorkingDirectory = config.configDir,
UseShellExecute = false,
/* create_new_console is not exposed -- but we probably don't need it?*/
};
/// SET UP FLUSH TIMER
/** .NET has a very annoying habit of taking a very long time to flush
* output streams **/
var flushTimer = new System.Timers.Timer(60000);
flushTimer.AutoReset = true;
flushTimer.Elapsed += (object source, System.Timers.ElapsedEventArgs e) =>
{
logFile.Flush();
};
flushTimer.Start();
}
public OpenVpnChild(OpenVpnServiceConfiguration config, string configFile)
{
this.config = config;
/// SET UP LOG FILES
/* Because we will be using the filenames in our closures,
* so make sure we are working on a copy */
this.configFile = String.Copy(configFile);
this.exitEvent = Path.GetFileName(configFile) + "_" + Process.GetCurrentProcess().Id.ToString();
var justFilename = System.IO.Path.GetFileName(configFile);
var logFilename = config.logDir + "\\" +
justFilename.Substring(0, justFilename.Length - config.configExt.Length) + ".log";
// FIXME: if (!init_security_attributes_allow_all (&sa))
//{
// MSG (M_SYSERR, "InitializeSecurityDescriptor start_" PACKAGE " failed");
// goto finish;
//}
logFile = new StreamWriter(File.Open(logFilename,
config.logAppend ? FileMode.Append : FileMode.Create,
FileAccess.Write,
FileShare.Read), new UTF8Encoding(false));
logFile.AutoFlush = true;
/// SET UP PROCESS START INFO
string[] procArgs =
{
"--config",
"\"" + configFile + "\"",
"--service ",
"\"" + exitEvent + "\"" + " 0"
};
this.startInfo = new System.Diagnostics.ProcessStartInfo()
{
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden,
FileName = config.exePath,
Arguments = String.Join(" ", procArgs),
WorkingDirectory = config.configDir,
UseShellExecute = false,
/* create_new_console is not exposed -- but we probably don't need it?*/
};
}
protected override void OnStart(string[] args)
{
try
{
List <RegistryKey> rkOvpns = new List <RegistryKey>();
// Search 64-bit registry, then 32-bit registry for OpenVpn
var key = GetRegistrySubkey(RegistryView.Registry64);
if (key != null)
{
rkOvpns.Add(key);
}
key = GetRegistrySubkey(RegistryView.Registry32);
if (key != null)
{
rkOvpns.Add(key);
}
if (rkOvpns.Count() == 0)
{
throw new Exception("Registry key missing");
}
var configDirsConsidered = new HashSet <string>();
foreach (var rkOvpn in rkOvpns)
{
try {
bool append = false;
{
var logAppend = (string)rkOvpn.GetValue("log_append");
if (logAppend[0] == '0' || logAppend[0] == '1')
{
append = logAppend[0] == '1';
}
else
{
throw new Exception("Log file append flag must be 1 or 0");
}
}
var config = new OpenVpnServiceConfiguration()
{
exePath = (string)rkOvpn.GetValue("exe_path"),
configDir = (string)rkOvpn.GetValue("config_dir"),
configExt = "." + (string)rkOvpn.GetValue("config_ext"),
logDir = (string)rkOvpn.GetValue("log_dir"),
logAppend = append,
priorityClass = GetPriorityClass((string)rkOvpn.GetValue("priority")),
eventLog = EventLog,
};
if (configDirsConsidered.Contains(config.configDir))
{
continue;
}
configDirsConsidered.Add(config.configDir);
/// Only attempt to start the service
/// if openvpn.exe is present. This should help if there are old files
/// and registry settings left behind from a previous OpenVPN 32-bit installation
/// on a 64-bit system.
if (!File.Exists(config.exePath))
{
EventLog.WriteEntry("OpenVPN binary does not exist at " + config.exePath);
continue;
}
foreach (var configFilename in Directory.EnumerateFiles(config.configDir,
"*" + config.configExt,
System.IO.SearchOption.AllDirectories))
{
try {
var child = new OpenVpnChild(config, configFilename);
Subprocesses.Add(child);
child.Start();
}
catch (Exception e)
{
EventLog.WriteEntry("Caught exception " + e.Message + " when starting openvpn for "
+ configFilename);
}
}
}
catch (NullReferenceException e) /* e.g. missing registry values */
{
EventLog.WriteEntry("Registry values are incomplete for " + rkOvpn.View.ToString() + e.StackTrace);
}
}
}
catch (Exception e)
{
EventLog.WriteEntry("Exception occured during OpenVPN service start: " + e.Message + e.StackTrace);
throw e;
}
}
protected override void OnStart(string[] args)
{
try
{
List<RegistryKey> rkOvpns = new List<RegistryKey>();
// Search 64-bit registry, then 32-bit registry for OpenVpn
var key = GetRegistrySubkey(RegistryView.Registry64);
if (key != null) rkOvpns.Add(key);
key = GetRegistrySubkey(RegistryView.Registry32);
if (key != null) rkOvpns.Add(key);
if (rkOvpns.Count() == 0)
throw new Exception("Registry key missing");
var configDirsConsidered = new HashSet<string>();
foreach (var rkOvpn in rkOvpns)
{
try {
bool append = false;
{
var logAppend = (string)rkOvpn.GetValue("log_append");
if (logAppend[0] == '0' || logAppend[0] == '1')
append = logAppend[0] == '1';
else
throw new Exception("Log file append flag must be 1 or 0");
}
var config = new OpenVpnServiceConfiguration()
{
exePath = (string)rkOvpn.GetValue("exe_path"),
configDir = (string)rkOvpn.GetValue("config_dir"),
configExt = "." + (string)rkOvpn.GetValue("config_ext"),
logDir = (string)rkOvpn.GetValue("log_dir"),
logAppend = append,
priorityClass = GetPriorityClass((string)rkOvpn.GetValue("priority")),
eventLog = EventLog,
};
if (configDirsConsidered.Contains(config.configDir)) {
continue;
}
configDirsConsidered.Add(config.configDir);
/// Only attempt to start the service
/// if openvpn.exe is present. This should help if there are old files
/// and registry settings left behind from a previous OpenVPN 32-bit installation
/// on a 64-bit system.
if (!File.Exists(config.exePath))
{
EventLog.WriteEntry("OpenVPN binary does not exist at " + config.exePath);
continue;
}
foreach (var configFilename in Directory.EnumerateFiles(config.configDir,
"*" + config.configExt,
System.IO.SearchOption.AllDirectories))
{
try {
var child = new OpenVpnChild(config, configFilename);
Subprocesses.Add(child);
child.Start();
}
catch (Exception e)
{
EventLog.WriteEntry("Caught exception " + e.Message + " when starting openvpn for "
+ configFilename);
}
}
}
catch (NullReferenceException e) /* e.g. missing registry values */
{
EventLog.WriteEntry("Registry values are incomplete for " + rkOvpn.View.ToString() + e.StackTrace);
}
}
}
catch (Exception e)
{
EventLog.WriteEntry("Exception occured during OpenVPN service start: " + e.Message + e.StackTrace);
throw e;
}
}
public OpenVpnChild(OpenVpnServiceConfiguration config, string configFile) {
this.config = config;
/// SET UP LOG FILES
/* Because we will be using the filenames in our closures,
* so make sure we are working on a copy */
this.configFile = String.Copy(configFile);
var justFilename = System.IO.Path.GetFileName(configFile);
var logFilename = config.logDir + "\\" +
justFilename.Substring(0, justFilename.Length - config.configExt.Length) + ".log";
// FIXME: if (!init_security_attributes_allow_all (&sa))
//{
// MSG (M_SYSERR, "InitializeSecurityDescriptor start_" PACKAGE " failed");
// goto finish;
//}
logFile = new StreamWriter(File.Open(logFilename,
config.logAppend ? FileMode.Append : FileMode.Create,
FileAccess.Write,
FileShare.Read), new UTF8Encoding(false));
/// SET UP PROCESS START INFO
string[] procArgs = {
"--config",
"\"" + configFile + "\""
};
this.startInfo = new System.Diagnostics.ProcessStartInfo()
{
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden,
FileName = config.exePath,
Arguments = String.Join(" ", procArgs),
WorkingDirectory = config.configDir,
UseShellExecute = false,
/* create_new_console is not exposed -- but we probably don't need it?*/
};
/// SET UP FLUSH TIMER
/** .NET has a very annoying habit of taking a very long time to flush
output streams **/
var flushTimer = new System.Timers.Timer(60000);
flushTimer.AutoReset = true;
flushTimer.Elapsed += (object source, System.Timers.ElapsedEventArgs e) =>
{
logFile.Flush();
};
flushTimer.Start();
}