def openWindow():
'''
Attempts to open a window on the Winlogon desktop. This can also be
used to just test opening a window on the Application desktop.
NOTE: The Winlogon desktop part is not currently working with this
example installed as an interactive service. It may be necessary
instead to set this up as something started by a Winlogon
Notification Package.
'''
logging.basicConfig(
level=logging.DEBUG,
format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s',
datefmt='%m-%d %H:%M',
filename=r'C:\temp\myapp.log',
filemode='w')
logging.debug("Starting")
cur_winsta = win32service.GetProcessWindowStation()
logging.debug("Got process window station")
cur_desktop = win32service.GetThreadDesktop(win32api.GetCurrentThreadId())
logging.debug("Got current desktop")
try:
new_winsta = win32service.OpenWindowStation(
"winsta0", False, win32con.WINSTA_ACCESSCLIPBOARD
| win32con.WINSTA_ACCESSGLOBALATOMS | win32con.WINSTA_CREATEDESKTOP
| win32con.WINSTA_ENUMDESKTOPS | win32con.WINSTA_ENUMERATE
| win32con.WINSTA_EXITWINDOWS | win32con.WINSTA_READATTRIBUTES
| win32con.WINSTA_READSCREEN | win32con.WINSTA_WRITEATTRIBUTES)
new_winsta.SetProcessWindowStation()
desktop = win32service.OpenDesktop(
"Winlogon", 0, False, win32con.DESKTOP_CREATEMENU
| win32con.DESKTOP_CREATEWINDOW | win32con.DESKTOP_ENUMERATE
| win32con.DESKTOP_HOOKCONTROL | win32con.DESKTOP_JOURNALPLAYBACK
| win32con.DESKTOP_JOURNALRECORD | win32con.DESKTOP_READOBJECTS
| win32con.DESKTOP_SWITCHDESKTOP | win32con.DESKTOP_WRITEOBJECTS)
desktop.SetThreadDesktop()
logging.debug("Running calculator")
os.system("calc")
logging.debug("Done")
except:
logging.debug("Caught exception:")
logging.debug(sys.exc_info()[0]) # Print the exception type
logging.debug(sys.exc_info()[1]) # Print the exception info
cur_winsta.SetProcessWindowStation()
cur_desktop.SetThreadDesktop()
cur_desktop.CloseDesktop()
cur_winsta.CloseWindowStation()
if new_winsta is not None:
new_winsta.CloseWindowStation()
if desktop is not None:
desktop.CloseDesktop()
def grant_winsta_and_desktop(th):
'''
Grant the token's user access to the current process's window station and
desktop.
'''
current_sid = win32security.GetTokenInformation(th,
win32security.TokenUser)[0]
# Add permissions for the sid to the current windows station and thread id.
# This prevents windows error 0xC0000142.
winsta = win32process.GetProcessWindowStation()
set_user_perm(winsta, WINSTA_ALL, current_sid)
desktop = win32service.GetThreadDesktop(win32api.GetCurrentThreadId())
set_user_perm(desktop, DESKTOP_ALL, current_sid)
def _CreateAltDesktop(window_station, name: str):
"""Creates an alternate desktop.
Args:
window_station: Handle to window station.
name: Name of the desktop.
Returns:
A handle to the alternate desktop.
"""
current_desktop = win32service.GetThreadDesktop(
win32api.GetCurrentThreadId())
security_attributes = _GetSecurityAttributes(current_desktop)
current_station = win32service.GetProcessWindowStation()
window_station.SetProcessWindowStation()
desktop = win32service.CreateDesktop(
name, 0, (DESKTOP_CREATEWINDOW | DESKTOP_READOBJECTS
| ntsecuritycon.READ_CONTROL
| ntsecuritycon.WRITE_DAC | ntsecuritycon.WRITE_OWNER),
security_attributes)
current_station.SetProcessWindowStation()
return desktop
