Samba POSIX ACL behavior
smfrench at gmail.com
Thu Nov 14 11:32:43 MST 2013
On Thu, Nov 14, 2013 at 12:18 PM, Jeremy Allison <jra at samba.org> wrote:
> On Thu, Nov 14, 2013 at 12:13:35PM -0600, Steve French wrote:
>> > I recently encountered the following strange behavior as mentioned in
>> > this post from several years ago:
>> > https://lists.samba.org/archive/linux-cifs-client/2009-February/004079.html
>> > I'm currently running Ubuntu 12.04 LTS on desktop and server, so
>> > I took some time to try the latest packaged versions of Samba and
>> > the kernel to make sure that the issue had not yet been fixed.
>> > Client: Ubuntu 12.04 LTS with Kernel 3.11.0-13-generic
>> > Server: Ubuntu 12.04 LTS with Samba 3.6.20 and Kernel 3.5.0-43-generic
>> > I tried many other combinations and the behavior is the same. It
>> > looks like setting default ACLs somehow interacts with the
>> > non-default ACLs and vice versa.
>> I tried this here to Samba 3.6 with slightly different results:
>> 1) If I set both a default and non-default ACL that seems to work
>> 2) but as you and Rob saw, if I setfacl a default ACL it removes the non-
>> default ACL
>> 3) and if I setfacl a non-default ACL it removes the default ACL
>> So for case 2 and 3 the behavior is different than for a local file system.
>> This may be a server bug.
> Can you send me a wireshark trace ?
>> For Samba 4 and Samba 4.2-pre (master) - I get an error not supported on this
>> infolevel 512 (Set POSIX ACL).
> You're running the wrong server :-). You need smbd running, not the source4
steven at steven-GA-970A-DS3:/etc$ ps -A | grep "mbd"
2321 ? 00:00:00 smbd
19715 ? 00:00:00 smbd
19721 ? 00:00:00 smbd
This is smbd
More information about the samba-technical