On Aug 24 18:24, Martin Wege via Cygwin wrote: > On Sat, Aug 19, 2023 at 10:15 AM ASSI via Cygwin <cygwin@cygwin.com> wrote: > > > > Martin Wege via Cygwin writes: > > > How can I find out whether the current Cygwin terminal has > > > Administrator rights? I want to safeguard our admin scripts with a > > > simple test and bail out with an error if someone wants to do admin > > > stuff (say: regtool) without admin privileges. > > > > Windows really doesn't have a defined notion of what is or is not an > > "administrator". Each particular definition will be insufficient or > > invalid in certain contexts. When you're dealing with hardened > > installations (via group policies or otherwise), large windows domains > > and/or server administration you may have to be way more specific than > > just looking at one simple indication. > > > > That said, most commonly the presence of SID S-1-5-32-544 in your user > > token (in Cygwin: gid=544, unless you override it in the group config) > > will be the best simple approximation. Incidentally, this is what tcsh > > is using on Cygwin to define the "superuser" for the purpose of setting > > the prompt with "%#": > > https://github.com/tcsh-org/tcsh/blob/d075ab5b4155ebff9d30e765733c030c3da5e362/tc.prompt.c#L212 > > > > For (ba)sh scripts you can parse the output from id along the lines of > > > > id -G | grep -q '\<544\>' && echo admin || echo "not admin" > > Is there any guarantee that the UNIX GID of the "administrator" will > always be "544", regardless of locale or Country-specific version of > Windows?
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