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From: Vasya Pupkin <cygwin AT bsrealm DOT net>
Date: Wed, 1 Sep 2010 17:51:49 +0400
Message-ID: <AANLkTi=Z8dSKa6fWt6m2dKMG8gVnG4LEZuq+QN1Y=Qb6@mail.gmail.com>
Subject: Re: Fwd: Windows File permissions are not being inherited - Cygwin 1.7 - Windows 7
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Cygwin uses NTFS ACLs to imitate POSIX style permissions. It can also
be configured to not touch ACL's at all, but setup program ignores
that and messes up permissions every time something is
installed/updated.

On Wed, Sep 1, 2010 at 4:49 PM, Rolf Campbell
<rcampbell-cygwin AT dragonwaveinc DOT com> wrote:
> On 2010-09-01 04:00, Harie Ram wrote:
>>
>> The issue that I am currently facing is : the modify permissions given
>> to the INSTALLDIR "C:\Cygwin" using the msi lock permission table is
>> being inherited through all the subfolders and files. Any new manually
>> created folders and files anywhere within C:\Cygwin via Windows
>> explorer or via the Cygwin Bash Shell are inheriting permissions. But
>> any new installations done by the user by choosing a package from the
>> Cygwin list are not inheriting the permissions. The installed user who
>> installs the package has full permissions to delete/modify the folder
>> and its contents . But the local admin/administrator/system does not
>> have permissions. It gives an access denied error. These 3 user groups
>> administrators/system/users are not even being listed in the security
>> properties of those installed folders.
>
> AFAIK, Cygwin uses POSIX style file permissions, which do not support any
> type of inherited file permissions.
>
>
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