[OpenAFS] ubik_Call returns 363546 suddenly

[Jeffrey Altman]

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On 3/5/2016 3:00 PM, Benjeman Meekhof wrote:
> I tracked this down to the following snippet of code.  In this code
> ubik_Call returns a code of '363546', nentries is 0, and since we get
> no volumes returned that's the end of any further action.  volname is
> a wildcard string like "home..*".  I've tried pointing the command at
> volume sets on any of our 3 file servers.

The error is VL_PERM =3D=3D Permission denied.

> Can anyone on the list offer any further hints to tracking this down?
> It appears that the beginning of this problem correlates to our
> vlserver machines receiving a package update that moved from afs
> 1.6.10 to 1.6.14.  We're not experiencing any other issues with AFS,
> and until this point have not had any issue with this utility.

Reading the Amanda "volset" source code the connection to the VL service
is made using the "rxnull" security class. As such the connection is
"anonymous" and the VL_ListAttributesN2 query is denied.

The change in behavior is due to

  http://www.openafs.org/pages/security/#OPENAFS-SA-2015-006

Jeffrey Altman




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