Date: Thu, 22 Jan 2009 13:13:34 +0300 From: "Dmitry V. Levin" <ldv@...linux.org> To: owl-users@...ts.openwall.com Subject: Re: chmod isn't validating its output? Hi, On Thu, Jan 22, 2009 at 11:44:07AM +0300, (GalaxyMaster) wrote: > Dmitry, > > I'm just curious whether we need to fix this or not in our coreutils > package. The following example demonstrates the issue. It's not a > bug, but is something we might want to fix and to submit upstream. > > mother!galaxy:~$ ls -l sample.file > -rw------- 1 galaxy galaxy 0 2009-01-22 11:34 sample.file > mother!galaxy:~$ chmod g+o sample.file > mother!galaxy:~$ echo $? > 0 > mother!galaxy:~$ ls -l sample.file > -rw------- 1 galaxy galaxy 0 2009-01-22 11:34 sample.file > mother!galaxy:~$ rpm -qf `which chmod` > coreutils-5.93-owl2 > mother!galaxy:~$ > > Note that I supplied chmod with weird permission symbol and it didn't > complain and hasn't returned any failure code. > > Since we have one of the coreutils maintainers in out team :) I thought > it would be appropriate to ask here whether I should submit the bug > report to the coreutils developers or is this "feature" here on a > purpose? If it's the latter I would like to know why (just to learn > some history behind it :) ) This is a documented feature, see $ info coreutils 'Symbolic Modes' especially the node "Copying Permissions". -- ldv Content of type "application/pgp-signature" skipped
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