public int UserSessionGetConsoleSessionId()
{
return(UserSessionHelper.GetUserConsoleSession());
}
internal ImpersonateUser()
{
string eventLogContent = "";
// Log current user identity
eventLogContent += "Identity before impersonation: [" +
WindowsIdentity.GetCurrent().Name + "]" + Environment.NewLine;
// get the user token to impersonate.
int userSessionId = UserSessionHelper.GetUserConsoleSession();
if (!WTSQueryUserToken((uint)userSessionId, out userTokenHandle))
{
int errorCode = Marshal.GetLastWin32Error();
throw new Win32Exception("WTSQueryUserToken failed with error code: [" + errorCode + "]" +
Environment.NewLine + "This will also fail when test is run over TS");
}
// do the actual impersonation
if (!ImpersonateLoggedOnUser(userTokenHandle))
{
int errorCode = Marshal.GetLastWin32Error();
throw new Win32Exception("ImpersonateLoggedOnUser failed with error code: [" + errorCode + "]");
}
// Log impersonated user identity
eventLogContent += "Identity after impersonation: [" +
WindowsIdentity.GetCurrent().Name + "] " + Environment.NewLine +
"Session Id used for impersonation: [" +
userSessionId + "]" + Environment.NewLine;
// Since we are impersonating logged on user,
// we skip the LoadUserProfile step.
//
// Services that change impersonation should call RegDisablePredefinedCache
// before using any of the predefined handles
int isPredinedCacheDisabled;
if (Environment.OSVersion.Version.Major < 6)
{
isPredinedCacheDisabled = RegDisablePredefinedCache();
}
else
{
// This API is introduced only from Vista.
isPredinedCacheDisabled = RegDisablePredefinedCacheEx();
}
// non-zero values indicates fail
if (isPredinedCacheDisabled != 0)
{
int errorCode = Marshal.GetLastWin32Error();
eventLogContent += "RegDisablePredefinedCache returned non-zero value. ErrorCode: [" +
errorCode + "]" + Environment.NewLine;
}
// log the events into event log
EventLog eventLog = new EventLog();
eventLog.Source = serviceName;
eventLog.WriteEntry(eventLogContent, EventLogEntryType.Information, eventId); // random event Id
eventLog.Close();
}
public bool UserSessionUnlockConsole()
{
return(UserSessionHelper.TryUserSessionActivateConsole(UserSessionHelper.GetUserConsoleSession()));
}