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Subject: Re: crazy default permissions
To: cygwin AT cygwin DOT com
References: <57F48222 DOT 1030605 AT houseofpain DOT org>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <3ead440c-089b-f83c-3ebf-9a4c37c09290@gmail.com>
Date: Wed, 5 Oct 2016 06:40:24 +0200
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On 05/10/2016 06:31, Mitch Deoudes wrote:
> mkdir has suddenly started creating directories with strange
> permissions.  As far as I can tell, it's related to making directories
> nested inside other directories that were also created within cygwin.
> As you create deeper and deeper nestings, the perms get more and more
> screwed up.  It starts at the second level deep, with the setuid flag,
> and eventually gets to the point where you're making directories that
> don't even have user read/write.
>
> I tried this on a brand new installation of the latest cygwin64, with no
> modifications, as of just now:
>
> mitch AT calculonjr ~/src/etc/rsync
> $ umask
> 0022
>
> mitch AT calculonjr ~/src/etc/rsync
> $ mkdir baz
>
> mitch AT calculonjr ~/src/etc/rsync
> $ ls -ld baz
> drwxrwxr-x+ 1 mitch None 0 Oct  5 00:11 baz    <--- first dir looks
> reasonable (but doesn't match umask)
>
> mitch AT calculonjr ~/src/etc/rsync
> $ mkdir baz/bob
>
> mitch AT calculonjr ~/src/etc/rsync
> $ ls -l baz
> total 0
> drwsrwsr-t+ 1 mitch None 0 Oct  5 00:11 bob    <--- second dir is weird
>
> mitch AT calculonjr ~/src/etc/rsync
> $ mkdir baz/bob/foo
>
> mitch AT calculonjr ~/src/etc/rsync
> $ ls -l baz/bob/
> total 0
> d--Srws--T+ 1 mitch None 0 Oct  5 00:12 foo   <--- third dir doesn't
> even have user read/write
>
> mitch AT calculonjr ~/src/etc/rsync
> $ mkdir baz/bob/foo/blob
> mkdir: cannot create directory `baz/bob/foo/blob': Permission denied
>
>
> Any guesses what might be causing this?  I'm pretty sure this was
> working as of my last update, which was probably several months ago.
>
> mitch
>
>

where is your home ?

$ cygpath -u ~
/home/marco

and what are its ACLS ?

$ cacls $(cygpath -w ~)
E:\cygwin64\home\marco MATZERI\marco:F
                        BUILTIN\Administrators:R
                        Everyone:R
                        CREATOR OWNER:(OI)(CI)(IO)F
                        CREATOR GROUP:(OI)(CI)(IO)R
                        Everyone:(OI)(CI)(IO)R


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