From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by sourceware.org (Postfix) with ESMTPS id 6F7BA3858D20 for ; Fri, 26 Apr 2024 01:45:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6F7BA3858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 6F7BA3858D20 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::132 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714095949; cv=none; b=lAYFK2NBLKaShSsZjahUEi5D0guMFYGpgbQw1cUuG+tEGnct90k/wO1FCUdmoaOM2xFMqdkgEBMbFDCEqCwxR4gAolvHI4wGNoqZqb2LWmhvCym4WzEE6ZYJ/WWZU5uMBGPzizusE2nfEW/0XETwtyDC7tVVCtu4AwxTLpct8+A= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714095949; c=relaxed/simple; bh=F0kk4iu+3YEaYSXQ/uGxDj6BUcRPxm1J5+0UDv/mWKI=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=BPAvMI6sEriVyl5Phnz4GOyF/64bXae0Lm+ZVSI5SYvddfhaoGJsFD2vErdDGdvqieX00VieCkN3z+vYYdrNz1L/OewrEaGx4H80f9gv6gP2aY/1v8C74wAD1Zoi9EAFqKDnQV7TwY9su2vHzof2tJnBsY9RspEtM7SErxraz7Q= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-51aa6a8e49aso1980155e87.3 for ; Thu, 25 Apr 2024 18:45:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1714095945; x=1714700745; darn=cygwin.com; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=OaXwPdQv4dTkrv4NidApUxnCib+wrASLw5URxMqdfjw=; b=P9F3a+gECRLQ1ZfdQ1cPVctr32qeNWSOs/+nRB056sPq6e0j7rFvo0YzLwneS6XuT8 L+Gg8zgkKGXsXHmUdfyWk5R0v3XP16qaN8QFN20cTGpv7NbVZrlWk/Pfg0HhGBOrjOiO RgDYjM3/yR+Jh9jxD0s+AaNcW/P4R0Y+F6QQ1g6BN+RmYYBUWWqTNF4qszyum+Gnriw5 tIjv4Jb0v5Al0ri63la712YGONkpYt/fyZCgl6zHprf9t9o8U3VtUEZkdhzWomN9bzUC OPvsxirM0TtuajM/U5toSRbdH1/tWh17o6V32EWC9E9QAx9Nji6zsKrzRV1xafEDc845 fsFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714095945; x=1714700745; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OaXwPdQv4dTkrv4NidApUxnCib+wrASLw5URxMqdfjw=; b=Fk++OxKLXRaonFtNHiclWpmL2od1l6nKnMcDmuutsfmmISGmlQyDLPjHDQPoq7fmMg 1hnGz+kIs7nPR4S2IoHc96Xgbz+Trrg/VLITMyrohLrDqr7icBcmpFh7EMicWtbnIzJR 3hDWtuzbevokh9gZygpRH8d/fxHTPUu28v03E0QtdejGpE9D/N9ICcrwFLsNwKp0PSFB 0EDtzsfMUzs/vVzdsz+pHHqNMSw4K6uRdaS/dQlv69hBKWnTQu0EqqKsXDa+Ft0jIxGL H1T9qwoB2q78tYrzAqFnMWwC747sfs+kIYOFwA4IlpUn/wqUHsEwKsUydStCxEcaun/2 ii2w== X-Gm-Message-State: AOJu0YxHuicPLpOgp1URrbwemdsiLpNx/EpjgxJUTGdvb6ZlVB8EU4nG QtoWSF8MpGK/55boLzdzAyd4hKN4HUWLWqRRz8Ui1nWnU15mFr+pQtErulnwIR1p0udqu2zGV8J QYP0ZqChdvd81xXg5qT/6DTpO9+Ce1g== X-Google-Smtp-Source: AGHT+IGjQv786ajOcHmBSFL7UDrRJOuXwIrLNNyeMp2LxxorNEch9AGRiuc2+uAlLTUeidQJWEyWKoXaKYq690uxb+Y= X-Received: by 2002:a05:6512:2343:b0:51c:c1a3:a4f9 with SMTP id p3-20020a056512234300b0051cc1a3a4f9mr20824lfu.64.1714095944593; Thu, 25 Apr 2024 18:45:44 -0700 (PDT) MIME-Version: 1.0 References: <608a6fa5-22e0-4b46-b1c9-9074be3aa1e1@Shaw.ca> <0cac6601-21bb-4582-8326-6ce5d01d9f9b@SystematicSW.ab.ca> In-Reply-To: <0cac6601-21bb-4582-8326-6ce5d01d9f9b@SystematicSW.ab.ca> From: Dan Shelton Date: Fri, 26 Apr 2024 03:45:18 +0200 Message-ID: Subject: Re: DOS namespaces, accessible/walk-able as Admin via Cygwin? To: cygwin@cygwin.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Mon, 22 Apr 2024 at 07:01, Brian Inglis via Cygwin wrote: > > On 2024-04-21 17:24, Dan Shelton via Cygwin wrote: > > On Sat, 20 Apr 2024 at 05:37, Brian Inglis via Cygwin 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