public void UpdateSessionWatchers(object state)
{
int[] winSessions = WTSEngine.GetActiveSessions();
Process[] rcdProcesses = GetRcordingProcesses();
_watchers.Clear();
foreach (int wsid in winSessions)
{
var watcher = new SessionWatcher()
{
WinSessionId = wsid
};
_watchers.Add(watcher);
var proc = Array.Find(rcdProcesses, p => p.SessionId == wsid);
if (proc != null)
{
watcher.RecordProcess = proc;
watcher.State = SessionState.Recording;
}
else
{
string user = WTSEngine.GetDomainUserBySessionId(wsid);
if (UserPolicy.IsUserRecording(user))
{
// logon
}
else
{
watcher.State = SessionState.Exclude;
}
}
}
}
public void SessionLogon(int winSessionId)
{
if (!Global.Config.RecordEnabled)
{
return;
}
try
{
while (!WTSEngine.IsSessionActive(winSessionId))
{
System.Threading.Thread.Sleep(1000);
}
//if (checkUserPolicy && (!IsUserRecording(winSessionId)))
// return;
string rcdSessionId = Guid.NewGuid().ToString("n");
string rcdProgram = System.IO.Path.Combine(Application.StartupPath, "rcda.exe");
int pid;
if (bfbd.Common.OSVersion.IsVista)
{
pid = ProcessEngine.CreateProcessAsAdmin(winSessionId, rcdProgram, rcdSessionId);
}
else
{
pid = ProcessEngine.CreateProcessAsUser(winSessionId, rcdProgram, rcdSessionId);
}
if (pid != 0)
{
TraceLogger.Instance.WriteLineInfo("Record process has started.");
TraceLogger.Instance.WriteLineInfo(string.Format("winSessionId={0}, ProcessId={1}, rcdSessionId={2}", winSessionId, pid, rcdSessionId));
SessionWatcher watcher = new SessionWatcher()
{
WinSessionId = winSessionId,
RcdSessionId = rcdSessionId,
ProcessId = pid,
};
_watchers[winSessionId] = watcher;
}
else
{
TraceLogger.Instance.WriteLineError("CreateProcessAsUser Fail. SessionId=" + winSessionId);
}
}
catch (Exception ex) { TraceLogger.Instance.WriteException(ex); }
}
public void Start()
{
TraceLogger.Instance.WriteLineInfo("Privileges ajusting...");
bool succeed = WTSEngine.SetProcessPrivileges(Process.GetCurrentProcess().Id,
bfbd.WindowsAPI.WTS.NtPrivileges.SE_ASSIGNPRIMARYTOKEN_NAME,
bfbd.WindowsAPI.WTS.NtPrivileges.SE_INCREASE_QUOTA_NAME,
bfbd.WindowsAPI.WTS.NtPrivileges.SE_TCB_NAME);
TraceLogger.Instance.WriteLineInfo("Privileges ajusted: " + succeed);
TraceLogger.Instance.WriteLineInfo("Record Service is starting...");
_tasks = new PeriodTask(1000);
_tasks.AddTask("License", this.UpdateLicenseInfo, 60 * 60, 0);
_tasks.AddTask("Configuration", this.UpdateConfigurationFile, 60, 0);
_tasks.AddTask("Session", this.ScanWinSessionsToRecordOrEnd, 2, 10);
_tasks.AddTask("Storage", StorageEngine.ScanAndStoreCacheFiles, 5, 15);
_tasks.AddTask("Restrict", StorageEngine.ScanAndRestrictLocalStore, 60 * 60, 60 * 60);
_tasks.AddTask("AccessPolicy", this.UpdateWebAccessPolicy, 60, 0);
_tasks.Start();
TraceLogger.Instance.WriteLineInfo("Record Service is started.");
if (Global.Config.AdminWebPort > 80)
{
try
{
TraceLogger.Instance.WriteLineInfo("Admin Service is starting...");
_adminWeb = new Server.AdminServiceCore();
_adminWeb.Start();
TraceLogger.Instance.WriteLineInfo("Admin Service is started.");
}
catch (Exception ex)
{
TraceLogger.Instance.WriteException(ex);
_adminWeb = null;
}
}
}
private void ScanWinSessionsToRecordOrEnd(object state)
{
int[] winSessions = WTSEngine.GetActiveSessions();
var rcdProcesses = GetRcordingProcesses();
// if not recording, record it.
foreach (int sid in winSessions)
{
if (Array.Find(rcdProcesses, p => p.SessionId == sid) == null)
{
string user = WTSEngine.GetDomainUserBySessionId(sid);
if (UserPolicy.IsUserRecording(user))
{
TraceLogger.Instance.WriteLineInfo("Start recording by configuration. user: "******"Stop recording by configuration. user: "******"Kill recording agent because double process. sessionId: " + proc.SessionId);
try { proc.Kill(); }
catch (Exception) { }
}
else
{
sessions.Add(proc.SessionId);
}
}
// dispose
Array.ForEach(rcdProcesses, p => p.Dispose());
}
