[OpenAFS-devel] Initial implementation of RestrictedQuery, please comment

[Jeffrey Altman]

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On 3/18/2014 8:02 AM, D Brashear wrote:
>=20
>       - would anything break if we wouldn't return the volume name when=
 the
>         GetVolumeByID is used if you're unauthenticated?  Or if we woul=
d
>         return an anonymized fake name, but still return the correct na=
me
>         when you're authenticated (or administrator?)?  Is that OK with=
 the
>         IBM guys?
>=20
>=20
> It's only VL_GetEntryByNameO, VL_GetEntryByNameN, and
> VL_GetEntryByNameU, plus VL_GetAddrs/VL_GetAddrsU and VL_ProbeServer
> which are called by the regular client (and the client performs those
> calls without authentication) so strictly speaking nothing else needs
> to be available unauth.
>=20
> That said, there is libafscp, which uses
> VL_GetEntryByIDN/VL_GetEntryByID but as libafscp is basically the
> single-user cache manager case
> one could easily argue that authentication will typically be provided
> and otherwise when it's not you don't care.

VL_GetEntryByID* is just a wrapper around VL_GetEntryByName*.
VL_GetEntryByName* is called by the cache managers with a numeric value
when a lookup by ID is required.  There is no benefit to locking down
the ByID versions.

libafscp should be updated to use VL_GetEntryByNameU.

Jeffrey Altman



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