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Date: Fri, 8 Aug 2014 18:41:59 +0400
From: Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <1751963132.20140808184159@yandex.ru>
To: Corinna Vinschen <cygwin AT cygwin DOT com>
Subject: Re: Security Settings for directories created in Cygwin (+ executable bit on files)
In-Reply-To: <20140808104334.GY13601@calimero.vinschen.de>
References: <86wqajxtm9 DOT fsf AT somewhere DOT org> <20140808104334 DOT GY13601 AT calimero DOT vinschen DOT de>
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Greetings, Corinna Vinschen!

>> I've noticed that such a behavior happens when I create a new file in
>> a directory that has been made FROM CYGWIN (`mkdir ~/test/', for
>> example).
>> 
>> Indeed, the permissions of CYGWIN-CREATED DIRECTORIES seem very weird:
>> 
>> - "Inherited from"... "None"!

> Perfectly valid.  This has been discussed already years ago.  It's the
> Windows(!) default primary group for users on a standalone machine (not
> domain member machine).  It's the local group with RID 513, called "None"
> on english language systems.

He man that directory security settings are not inherited, when files are
created by Cygwin. Which is explained by a POSIX-adherent behavior of Cygwin.

@Sebastien, if you want Windows behavior (i.e. defer ACL management to OS),
change cygdrive mount flags to noacl.

>> Asking Cygwin to stop playing with the Windows ACL, by mounting my
>> personal directories as "noacl"?  Well, that means I won't be able to
>> use `chmod' anymore,

I don't see a reason to use chmod under Windows at all.

>> for setting a script file as "executable", then.

There's no need. Cygwin automatically detect executables from file contents.

>> And I'll have to use a Windows tool to do so, such as `cacls'.
>> 
>> Is it really so, the integration of Cygwin permissions within Windows?
>> Or do I miss something?

> You're just missing that the integration is one-way.  Non-Cygwin Windows
> executables give a damn for Cygwin settings.  Sorry :}

Also this.


--
WBR,
Andrey Repin (anrdaemon AT yandex DOT ru) 08.08.2014, <18:37>

Sorry for my terrible english...


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