On 6/21/22 13:39, Steven Manross wrote:
I was intrigued by this and I would like to get it to work, but I cannot... I
know I'm doing something wrong, but don't know what. I will leave this for the
archives, and maybe it will help someone else some day.
...
def get_wts_info(session_id):
'''
Get WTS Info
'''
# This only tries to work on the local server currently but I get an
access violation running the WinStationQueryInformationW line
Buf = ctypes.POINTER(WinStationInformation)()
BufLen = 260
hWinSta = ctypes.windll.LoadLibrary("WINSTA.DLL")
if hWinSta:
winsta_handle = hWinSta._handle
print(f'winsta_handle = {winsta_handle}')
QueryInfoHandle =
ctypes.windll.kernel32.GetProcAddress(ctypes.c_ulonglong(winsta_handle),
b"WinStationQueryInformationW")
# This handle is 0... possibly because of the numeric conversion from
the winsta_handle to a ctypes.c_ulonglong ??? unsure
No, 0 is the error return that means the name was not found.
You shouldn't need to use LoadLibrary and GetProcAddress. ctypes does
that for you automatically.
winsta = ctypes.WinDLL('winsta.dll')
winsta.WinStationQueryInformationW( 0, session_id, 8,
ctypes.byref(Buf), BufLen, ctypes.byref(RtnLen))
If you have Visual Studio, you can try doing "link /dump /exports
\windows\system32\winsta.dll" to make sure it has that entry point.
--
Tim Roberts, t...@probo.com
Providenza & Boekelheide, Inc.
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