From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.com (mout.gmx.com [74.208.4.200]) by sourceware.org (Postfix) with ESMTPS id B3AF938582AF for ; Fri, 3 Jun 2022 16:42:56 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org B3AF938582AF Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=iname.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=iname.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mail.com; s=dbd5af2cbaf7; t=1654274575; bh=o6nVuQyvZ0q9t8nmjBgd7RO5gXlES5Sk7IQ4dlbgnsI=; h=X-UI-Sender-Class:References:In-Reply-To:From:Date:Subject:To; b=phpkntEk6KtD0LWgGM1PhLIvCMW7NQR+2oKHljGCqVksAZCyCTuAYmrTFknWwrJ/P 5FRLgfbDl3yvCC9MZr/rkLRq0RBdcjsgy58NovTg2bPxR3TwXsxLmRv0LJAiCv3Sxn AjITKtQ3/fCPVJiO84xe470u6UHAguXr3YIcuI04= X-UI-Sender-Class: 214d933f-fd2f-45c7-a636-f5d79ae31a79 Received: from mail-qv1-f47.google.com ([209.85.219.47]) by smtp.mail.com (mrgmxus005 [74.208.5.15]) with ESMTPSA (Nemesis) id 0Ldp5R-1nWb0e2kOh-00j3iT for ; Fri, 03 Jun 2022 18:42:55 +0200 Received: by mail-qv1-f47.google.com with SMTP id h18so5916668qvj.11 for ; Fri, 03 Jun 2022 09:42:55 -0700 (PDT) X-Gm-Message-State: AOAM530UzRYRL0+S0utz1dKngoUzgn8XoGmKhx50nvKQXsb/bKo4Xchw qbxgf6HJjcH/YZyfocV4Sg6BXf2uBmaAqegM8Is= X-Google-Smtp-Source: ABdhPJzfcxgi0okM/dFr+IHKjENZKEf+ZrpDDjww52j+CnQLaWXUZGmv3r+/npIhdmqah8LPyY6+OMNdWPIro6J4QHw= X-Received: by 2002:a05:6214:763:b0:464:5905:b8ba with SMTP id f3-20020a056214076300b004645905b8bamr18274925qvz.33.1654274574852; Fri, 03 Jun 2022 09:42:54 -0700 (PDT) MIME-Version: 1.0 References: <26dc3119-0f36-1331-1403-9e994a697d89@pdc.ca> <1351760318.20220508183530@yandex.ru> <65f61260-7a7f-e7dc-e3f6-4eddead9da74@pdc.ca> <75c20491-164b-b3cb-55d0-a482240842c3@pdc.ca> In-Reply-To: <75c20491-164b-b3cb-55d0-a482240842c3@pdc.ca> From: Bill Stewart Date: Fri, 3 Jun 2022 10:42:23 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Permissions issues after installing Windows 10 To: cygwin@cygwin.com X-Provags-ID: V03:K1:nCKckaat+6pv11GVnBRtH+qK5mCeitWWItTLu3hS9fmtfIiH7hw c2lIBGQPIQYdUcdqUZsLGM94e2kihzqwmYc3NPRPxZnNR5uLHBb4M+S/fD0Mg3OCk8VEuJ/ uYcCQopXkYL4Kqw8J7nX6P/O7J6Wwutk/jCF/9YSXcWVJaeLKwGGKassHZQXH11CDnsepa3 NUhlXa9VhJUxKjfL/dxTw== X-UI-Out-Filterresults: notjunk:1;V03:K0:a9FPhu0tD0U=:OjL9WX4D3KikiMOMAJdBVw LYNVznTsOEc6dE/Gni7slLu4xwYULlz7nURwxJe9UMdNoIqqrfAO7pLm5UeysJ/5Gp+GudA7j wMKc2Y6pKpi6c2VF2Tjhnf0TJLsuvgFE7ui5AHe5RWYte8GQGyzrFHtJKMaP07ON6N3L7A7Ao 6DPlwauLKDTTMly4QesIwhMxP8UobT0X281ymi6Bc533G63wUE6RmGC7n/mrM2CUsKYQEb+Qz kOdGQPBn0C/akeQFKEurHRsi7MTnDavMmyj2amUvtSSw89gDv3S7UX7XvYICj/oMdHStyF+SW AMCRqwEIPg2NQtOWZucaxTc5Msy+eLqA+ON2LQ2aHhwnau+F7yOTo4ZboVSaECKIyOlvF8MvG C0yUPbPwBZB4eDXM+kcXHVHcNmH1hv41dl2iLt4AJ3+BaVs97cTU9PTUUmT6YBQ0oWvBmOkLf ImDyGJUPsQTYROxV5MuPuj4McYeb/gQQ6HoFbatDAAobj9hW4ISD5nEyv1f4baUA8gEZ2sbDm lyaeSqnUI8GwlBjwDbLoGyVBKgyu7UHqXagJvtAl/V5AjgEC281KEBgQYRWQAxatgtCV9Rj8A LbR2FzmULwtcglHrg3hYFJk8WyrjkJWIv5SYvmWfC0IlB9kUrxQJoark0eQIMIj/O6CQZhglR iDpRrjQ/Ef3lpdmcD5j2RwBQ7EKMUkrfG2lqJNPk/kFNuQ3zmi022lbJ+ntG7O4/OgTTWjdeK p/ilyHvYMzKKwaeSPT5LRZOqQrQ06XJUx/hKva3VWzqDZItMTlaa/fRqv2Bvlaqo8ilbjTXQb 3hrt3rcZS52S1R90CvDV9dW5A6S4KCEJT9Yy7HQDC/1v1wDCfdfYmsangETYt6ur3eh9eR+FK 0D415MLdfgjT3gjciFKqGl60jaj+YJ8FpbwRF2SMoamtdlcQUoM+VY/aB6ESDz7skE6tLiC8T IuOmg7m2vM5sZm1mMRRx2iuGOecyNShSZVxGdiNwB1ukIaQQITckhTLOTtaWAZvJI5UcnNe2H VQdHVzkk6INPEzHTpq5riWk75qDOlMbhRqDyygtmLtj33UC/84lFKUzgVUh2+dOknnGoaeLy0 1TpDpkNG7tJ4Hc+6PCvBa9Dm8LDWe2ULwEms0VIzNr9KzJKN4tIKUBhGQ== X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FREEMAIL_FROM, HTML_MESSAGE, KAM_NUMSUBJECT, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jun 2022 16:42:58 -0000 On Fri, Jun 3, 2022 at 6:23 AM Brent Epp wrote: I would think so too, but that doesn't appear to be happening. If it > makes a difference, the SID actually starts with S-1-5-21. I have to > manually take ownership in order to even access the files at all. > Explained another way: According to https://docs.microsoft.com/en-us/windows/win32/secauthz/well-known-sids - Constant: SECURITY_NT_NON_UNIQUE String Value: S-1-5-21 Identifies: SIDS are not unique. SIDs starting with S-1-5-21 are non-unique, which means basically the SID is made unique by the addition of a RID (relative identifier). If the SID starts with S-1-5-21 and ends in 500, it is the local "Administrator" account of some computer (or domain). In other words, S-1-5-21 SIDs are computer or domain accounts that the system couldn't resolve when it enumerated the ACL. You can see SIDs for local accounts on a machine from PowerShell (all one line): Get-WmiObject -Query "SELECT * FROM Win32_UserAccount WHERE LocalAccount='TRUE'" | Select-Object Name,SID Note that in the output, these SIDs will start with S-1-5-21 and end with various RIDs. Bill