From: Dave Quigley <dpquigl@davequigley.com>
To: Casey Schaufler <casey@schaufler-ca.com>
Cc: bfields@fieldses.org, trond.myklebust@netapp.com,
sds@tycho.nsa.gov, linux-nfs@vger.kernel.org,
selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org
Subject: Re: Labeled NFS [v5]
Date: Tue, 20 Nov 2012 22:28:58 -0500 [thread overview]
Message-ID: <50AC4A7A.6010208@davequigley.com> (raw)
In-Reply-To: <50AC41DC.5070607@schaufler-ca.com>
On 11/20/2012 9:52 PM, Casey Schaufler wrote:
> On 11/20/2012 4:37 PM, Dave Quigley wrote:
>> ...
>>
>>
>> Or I could just give you this link and you should be good to go ;)
>>
>> http://www.selinuxproject.org/~dpquigl/nfs-utils-rpms/
>>
>> I haven't tried it but it should work. If it doesn't let me know and
>> i'll try to fix it on my end. I'd imagine you might need to yum remove
>> nfs-utils first before adding this new one or you could also try an
>> rpm with the upgrade flag for this instead. Good luck.
>
> I don't care what Eric says, you're OK with me.
>
> The behavior is interesting with a Smack kernel:
>
> I create an export using the recommended options (sec=unix,security_label, ...)
> of /pub. Then , I create a directory sub with the floor ("_") label and a file
> named Pop labeled "Pop". I mount the filesystem at /mnt.
>
> # ls -l /mnt
> ls: cannot access /mnt/Pop: Permission Denied
> total 4
> ?????????? ? ? ? ? ? Pop
> drwxr-xr-x 2 root root 4096 Nov 20 17:57 sub
>
> which is exactly correct!
>
> Unfortunately, I get the exact same result if the process
> is run with the Pop label. A process run with the Pop label
> should be able to see the attributes of the file Pop.
>
> It looks as if the basic mechanism is working, but that there
> is some detail that is not working right. I will have to dig
> deeper to understand what's up. Let me know if you have ideas.
>
>
>>
>> Dave
>>
>> --
>> This message was distributed to subscribers of the selinux mailing list.
>> If you no longer wish to subscribe, send mail to
>> majordomo@tycho.nsa.gov with
>> the words "unsubscribe selinux" without quotes as the message.
>>
>
You might want to load up wireshark and see if the getfattr call is what
is failing. If it is then its an issue with the interaction between
smack and the server components. Otherwise I'm not sure you'll have to
look in the NFS debug info to find the call that is failing. ]
Dave
next prev parent reply other threads:[~2012-11-21 3:29 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-12 6:15 Labeled NFS [v5] David Quigley
2012-11-12 6:15 ` [PATCH 01/13] Security: Add hook to calculate context based on a negative dentry David Quigley
2012-11-12 12:13 ` J. Bruce Fields
2012-11-12 14:52 ` Dave Quigley
2012-11-12 6:15 ` [PATCH 02/13] Security: Add Hook to test if the particular xattr is part of a MAC model David Quigley
2012-11-12 12:15 ` J. Bruce Fields
2012-11-12 14:56 ` Dave Quigley
2012-11-12 16:36 ` J. Bruce Fields
2012-11-12 19:36 ` David P. Quigley
2012-11-12 21:43 ` J. Bruce Fields
2012-11-13 0:12 ` Dave Quigley
2012-11-12 6:15 ` [PATCH 03/13] LSM: Add flags field to security_sb_set_mnt_opts for in kernel mount data David Quigley
2012-11-12 6:15 ` [PATCH 04/13] SELinux: Add new labeling type native labels David Quigley
2012-11-12 6:15 ` [PATCH 05/13] KConfig: Add KConfig entries for Labeled NFS David Quigley
2012-11-12 14:45 ` J. Bruce Fields
2012-11-12 14:57 ` Dave Quigley
2012-11-12 6:15 ` [PATCH 06/13] NFSv4: Add label recommended attribute and NFSv4 flags David Quigley
2012-11-12 6:15 ` [PATCH 07/13] NFSv4: Introduce new label structure David Quigley
2012-11-12 15:13 ` J. Bruce Fields
2012-11-12 15:32 ` David P. Quigley
2012-11-12 16:05 ` J. Bruce Fields
2012-11-12 16:53 ` David P. Quigley
2012-11-12 17:50 ` J. Bruce Fields
2012-11-12 6:15 ` [PATCH 08/13] NFSv4: Extend fattr bitmaps to support all 3 words David Quigley
2012-11-12 6:15 ` [PATCH 09/13] NFS:Add labels to client function prototypes David Quigley
2012-11-12 6:15 ` [PATCH 10/13] NFS: Add label lifecycle management David Quigley
2012-11-12 15:33 ` J. Bruce Fields
2012-11-12 15:36 ` David P. Quigley
2012-11-12 6:15 ` [PATCH 11/13] NFS: Client implementation of Labeled-NFS David Quigley
2012-11-12 6:15 ` [PATCH 12/13] NFS: Extend NFS xattr handlers to accept the security namespace David Quigley
2012-11-12 6:15 ` [PATCH 13/13] NFSD: Server implementation of MAC Labeling David Quigley
2012-11-12 16:31 ` J. Bruce Fields
2012-11-12 15:23 ` Labeled NFS [v5] J. Bruce Fields
2012-11-12 15:34 ` David P. Quigley
2012-11-12 16:09 ` J. Bruce Fields
2012-11-12 20:56 ` Steve Dickson
2012-11-13 1:39 ` Dave Quigley
2012-11-13 12:55 ` Steve Dickson
2012-11-14 4:32 ` Dave Quigley
2012-11-14 13:45 ` J. Bruce Fields
2012-11-14 13:50 ` David Quigley
2012-11-14 13:59 ` J. Bruce Fields
2012-11-14 14:01 ` David Quigley
2012-11-14 14:04 ` David Quigley
2012-11-14 14:24 ` J. Bruce Fields
2012-11-14 14:30 ` David Quigley
2012-11-15 16:00 ` Casey Schaufler
2012-11-15 20:28 ` David Quigley
2012-11-16 3:34 ` Casey Schaufler
2012-11-16 3:43 ` David Quigley
2012-11-16 4:58 ` Dave Quigley
2012-11-16 4:59 ` Dave Quigley
2012-11-14 13:56 ` David Quigley
2012-11-12 16:33 ` J. Bruce Fields
2012-11-12 20:44 ` Dave Quigley
2012-11-12 22:23 ` Casey Schaufler
2012-11-13 3:16 ` Dave Quigley
2012-11-20 21:09 ` Casey Schaufler
2012-11-21 0:04 ` Dave Quigley
2012-11-21 0:29 ` Dave Quigley
2012-11-21 0:32 ` Casey Schaufler
2012-11-21 0:37 ` Dave Quigley
2012-11-21 2:52 ` Casey Schaufler
2012-11-21 3:28 ` Dave Quigley [this message]
2012-11-28 18:57 ` Casey Schaufler
2012-11-29 1:14 ` Dave Quigley
2012-11-29 2:08 ` Casey Schaufler
2012-11-29 22:28 ` Casey Schaufler
2012-11-29 22:49 ` David Quigley
2012-11-30 0:02 ` David Quigley
2012-11-30 0:07 ` David Quigley
2012-11-30 0:34 ` Casey Schaufler
2012-11-30 0:46 ` David Quigley
2012-11-30 1:50 ` Casey Schaufler
2012-11-30 2:02 ` David Quigley
2012-11-30 12:14 ` J. Bruce Fields
2012-11-30 12:57 ` David Quigley
2012-11-30 13:17 ` David Quigley
2012-11-30 13:28 ` Stephen Smalley
2012-11-30 13:35 ` David Quigley
2012-11-30 13:50 ` Stephen Smalley
2012-11-30 14:02 ` David Quigley
2012-11-30 16:21 ` Casey Schaufler
2012-11-30 16:28 ` David Quigley
2012-12-03 18:27 ` Casey Schaufler
2012-11-30 16:55 ` J. Bruce Fields
2012-11-30 16:59 ` David Quigley
2012-11-30 13:20 ` David Quigley
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