GNU bug report logs - #22185
Operation not permitted for `touch -d` on 777 file

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Message #14 received at 22185 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Silvio Ricardo Cordeiro <silvioricardoc <at> gmail.com>, 22185 <at> debbugs.gnu.org
Subject: Re: bug#22185: Operation not permitted for `touch -d` on 777 file
Date: Wed, 16 Dec 2015 12:59:52 -0800

Silvio Ricardo Cordeiro wrote:
> If other users have full control over the file (and surrounding directory),
> shouldn't they be able to change its date?

Mode 777 does not mean full control; it merely means read, write, and execute 
access is granted to everybody. Other users still cannot chmod the file, for 
example; nor can they set the file's time stamps in arbitrary ways.

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