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Date: Fri, 26 Apr 2024 03:45:18 +0200
Message-ID: <CAAvCNcByRFaUeWPhm4F_Mxbytw0W0xARymy+7Ch5kp02oszQsw@mail.gmail.com>
Subject: Re: DOS namespaces, accessible/walk-able as Admin via Cygwin?
To: cygwin@cygwin.com
From: Dan Shelton via Cygwin <cygwin@cygwin.com>
Reply-To: Dan Shelton <dan.f.shelton@gmail.com>
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On Mon, 22 Apr 2024 at 07:01, Brian Inglis via Cygwin <cygwin@cygwin.com> wrote:
>
> On 2024-04-21 17:24, Dan Shelton via Cygwin wrote:
> > On Sat, 20 Apr 2024 at 05:37, Brian Inglis via Cygwin <cygwin@cygwin.com> wrote:
> >>> 2. If I have Administrator rights, is there a way in /proc where I can
> >>> /bin/ls -la  or /bin/find -ls all those DOS namespaces and soft links
> >>> to the real devices?
> >>
> >> Cygwin exposes these MS Windows Executive Object Manager subsystem resource
> >> objects under /proc/sys/ and object namespaces are per session under
> >> /proc/sys/Sessions/ you have e.g.
>
> >> $ ls -glo /proc/sys/Sessions/BNOLINKS/
> >> total 0
> >> lr--r--r-- 1 0 Apr 19 21:23 0 -> /proc/sys/BaseNamedObjects
> >> lr--r--r-- 1 0 Apr 19 21:23 1 -> /proc/sys/Sessions/1/BaseNamedObjects
> >>
> >> so each session has its own set of BaseNamedObjects, which you can list with
> >> appropriate permissions, or using a tree browser.
>
> > Now where does the "1" in /proc/sys/Sessions/1/BaseNamedObjects come
> > from? Is there a Cygwin or Win32 API for that?
>
> It's the MS Windows session number for the first user session.
> You can access them using Cygwin or MS Windows directory lookups or tree
> browsers, as I said.
> Search microsoft.com for Windows sessions for details about MS Windows APIs.

Windows has multiple session apis (terminal, logon, ...), which is
used for the DOS namespace?

> >> Under MS Windows you can use Sysinternals WinObj64 to browse the hierarchy and
> >> objects.
> >
> > What is that?
>
> If you do not yet know that, perhaps you should not yet be digging into these MS
> Windows Executive subsystem objects.
>
> Some of these questions seem very abstract - are these academic questions or
> projects?

Building knowledge, learning, and debugging actual code.

Dan
-- 
Dan Shelton - Cluster Specialist Win/Lin/Bsd

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