Proposed new blocking criterion for Fedora Server: GSSAPI SSO via SSH

Adam Williamson adamwill at
Tue Oct 6 16:59:42 UTC 2015

On Mon, 2015-10-05 at 15:05 -0400, Stephen Gallagher wrote:
> Currently, we have a number of blocking criterion in Fedora Server
> around domain membership that the machine must be able to join a
> domain and that a user must be able to log into the machine using
> standard login mechanisms (console, GDM, etc.).
> What we are lacking is a criterion specifying single-sign-on
> functionality, which is a key part of the domain experience. I'd like
> to propose that the following functionality be added as a Beta
> criterion from here forth:
> == Server Product Requirements ==
> === Remote Authentication ===
> * A user who signs in locally or via SSH to a Fedora Server joined to
> a FreeIPA or Active Directory domain using a supported domain-joining
> mechanism[1] must be capable of connecting via SSH to any other
> Fedora
> Server of the same version to which they have appropriate access
> privileges without being required to re-enter their password.[2]
> (Note: this assumes an "online" login; if the user logs in while
> disconnected from the authentication server, they may not be able to
> use SSO features without manual intervention.)
> * Single-sign-on capabilities must be available without any
> additional
> configuration by the user except the initial join to the domain.
> [1] This means realmd in the current implementation, which is the
> mechanism used under the hood by Cockpit. I'd recommend leaving out
> more manual methods like ipa-client-install, adcli and 'net ads'.
> [2] Under the hood, this means that the authentication negotiation
> should happen via GSSAPI.

I'm OK with this so long as it comes along with a matching test case.
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net

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