From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Switching groups with newgrp - how to get the new group with |GetTokenInformation()| ?
Date: Thu, 22 Feb 2024 20:11:25 +0100 [thread overview]
Message-ID: <ZdecXZNUgQ3i0hYN@calimero.vinschen.de> (raw)
In-Reply-To: <CAKAoaQnFxij4Np-jg+bOLEpiSziCfamFrJ2FR_JeO+Sv_Td2Kg@mail.gmail.com>
On Feb 22 18:38, Roland Mainz via Cygwin wrote:
> Hi!
>
> ----
>
> If I switch the current user's group with /usr/bin/newgrp, how can a
> (native) Win32 process use
> |GetTokenInformation(GetCurrentThreadToken(), ...)| to find out which
> group is the new "current group" (e.g. which |TokenInformationClass|
> should I use) ?
PSID sidbuf = (PSID) alloca (SECURITY_MAX_SID_SIZE);
NTSTATUS status;
ULONG size;
status = NtQueryInformationToken (hProcToken, TokenPrimaryGroup,
sidbuf, SECURITY_MAX_SID_SIZE,
&size);
Corinna
next prev parent reply other threads:[~2024-02-22 19:11 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-22 17:38 Roland Mainz
2024-02-22 19:11 ` Corinna Vinschen [this message]
2024-02-23 13:03 ` Roland Mainz
2024-02-23 15:47 ` Corinna Vinschen
2024-02-23 18:45 ` Roland Mainz
2024-02-23 21:15 ` Dan Shelton
2024-02-24 13:11 ` Corinna Vinschen
2024-03-05 22:38 ` Dan Shelton
2024-03-06 13:01 ` Corinna Vinschen
2024-03-09 21:26 ` Glenn Strauss
2024-03-11 1:30 ` Dan Shelton
2024-03-11 3:49 ` Brian Inglis
2024-03-11 16:54 ` Corinna Vinschen
2024-03-11 1:28 ` Dan Shelton
2024-03-11 16:56 ` Corinna Vinschen
2024-04-19 23:44 ` Dan Shelton
2024-04-26 9:04 ` Andrey Repin
2024-02-24 16:57 ` Brian Inglis
2024-02-24 12:53 ` Corinna Vinschen
2024-02-24 14:38 ` Will all SIDs fit into |SECURITY_MAX_SID_SIZE| bytes ? / was: " Roland Mainz
2024-02-24 18:57 ` Corinna Vinschen
2024-02-25 21:04 ` Roland Mainz
2024-02-25 22:32 ` gs-cygwin.com
2024-02-26 4:17 ` gs-cygwin.com
2024-02-26 16:12 ` [EXTERNAL] " Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2024-02-26 9:20 ` Corinna Vinschen
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