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Subject: | Re: Group Permissions on root folders problem (Windows 10 TP build 10061) |
To: | cygwin AT cygwin DOT com |
References: | <CAMH9mcFEL3mao+m-DEYM84kC1HOPeSBpZXD+mDf0USobF9oY7g AT mail DOT gmail DOT com> <CAMH9mcFOKjvjiFvvk1ju0ZxBDK28MaktdnYwj5_CjvbgnpVO4A AT mail DOT gmail DOT com> <20150616155843 DOT GE31537 AT calimero DOT vinschen DOT de> <DJzl1r0012qVqVd01Jzm3c> <55F1A69D DOT 9050201 AT cox DOT net> |
From: | Ken Brown <kbrown AT cornell DOT edu> |
Message-ID: | <55F1AADD.1030908@cornell.edu> |
Date: | Thu, 10 Sep 2015 12:07:57 -0400 |
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On 9/10/2015 11:49 AM, David A Cobb wrote: > On a Windows-10 host: when I use Cygwin *chown***or *chmod *to make > permission changes, the next time I access the folder-tree from Windows > Explorer Security tab, it complains that the Access Control List is > incorrectly ordered and that will cause undesirable results; happy to > say, it gives me the chance to re-order the ACL. The usual undesirable > result is that an app can create a folder /New/ within /T/ but cannot > create anything within /T/////New/. > > Hypothesis: we are indirectly(?) modifying the ACL but are not observing > whatever Windows expects for ordering. I know that Windows enforces > "*deny*" rules before any "*allow*" rules; I do not know what other > ordering it observes. I do know that Windows doesn't really consider > the "group" property the same way POSIX does, FWIW. This is explained in the Cygwin User's Guide: https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-files Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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