I Guess I Don't Understand NFS As Well As I Thought

[Tim Daneliuk]

On 11/24/2012 03:25 PM, Doug Hardie wrote:
>
> On 24 November 2012, at 12:32, Tim Daneliuk wrote:
>
>> Can someone kindly explain what is going on here:
>>
>> Machine A:  FreeBSD - was running 8, just upgraded to 9.1-PRE
>>             (I don't recall seeing the behavior described below
>>              in V8, but then, I don't think I ever tried it).
>>
>> Machine B:  Linux Mint Desktop
>>
>> - Machine A acts as an NFS server for Machine B.
>>
>> - Machine A exports a particular directory like this:
>>
>>    /usr/foo  -maproot=myid     -network ...
>>
>>
>> - /usr/foo/bar is owned by root on Machine A and has files therein
>>   owned as root:root with permissions of 600.
>>
>> - If I access /usr/foo/bar/file1 from Machine B, I cannot read it
>>   but - and this is the part I don't get - I CAN *rename* it.
>>
>> What's going on?  Since /foo/bar/ is owned by root and everything
>> in it is 600 root:root, I would not expect a remote access to allow
>> things like renaming.  Clearly I am missing something here, but I
>> don't get it.
>
> What are the permissions on the directory /usr/foo/bar?

775


Let me correct something.  The files in that directory are
owned by root:wheel (not root:root - I got my *nixes
confused), but they definitely have 600 perms.

On Machine A, user 'myid' is IN the wheel group but I still
don't see how he's getting permission to rename the file.




> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe at freebsd.org"
>


-- 
----------------------------------------------------------------------------
Tim Daneliuk     tundra at tundraware.com
PGP Key:         http://www.tundraware.com/PGP/