CIFS client updates for auto-reconnect [PSARC/2009/366 FastTrack timeout 06/24/2009]

[Darren Reed]

Jordan Brown wrote:
> ...
>     2.2 New or changed features
>
>     This case proposes to add a new helper program to initiate
>     reconnection when needed, installed as: /usr/lib/smbfs/smbiod
>     (IOD is short for I/O Deamon, a name that comes from the
>     original BSD/Darwin code used in the SMB client.)
>
>     An smbiod process is started by one of the SMB client user
>     commands (smbutil or mount_smbfs), and continues to run until
>     that user no longer has any SMB client connections.  There
>     will be one smbiod process for each user that has SMB client
>     connections. [Note 1]
>
>     Each smbiod processes instantiates a door service on the file
>     "/tmp/.smbiod-%d" where %d is the owning Unix user ID, or the
>     file "/var/run/smbiod-0" when the owner is UID zero.  The door
>     file name is first unlinked, and then created with mode 600 to
>     prevent use by other users.  The create is done via open with
>     the O_CREAT|O_EXCL flags to prevent unintentionally opening
>     something unexpected (i.e. symlink attacks).  If the unlink
>     or create fails, smbiod exits with an error.
>
> ...
>     The new smbiod program is part of the SUNWsmbfsu package,
>     along with all the other SMB client binaries.
>
>     No direct user interface is provided by smbiod.
>
> 3. Interface table
>     (no change)

It would seem that your interface table doesn't quite agree with 2.2,
presentation of the new features, even as private, would be appreciated.

Darren