[Freeipa-users] Error looking up public keys

[Alessandro De Maria]

The workaround worked thank you!

On 6 Oct 2016 5:09 pm, "Sumit Bose" <sbose at redhat.com> wrote:

> On Thu, Oct 06, 2016 at 03:48:10PM +0100, Alessandro De Maria wrote:
> > Hello,
> >
> > We are moving some of our servers to use 16.04 and for all new installs I
> > have noticed that I am unable to fetch the ssh_authorized keys from the
> > server.
> >
> > /usr/bin/sss_ssh_authorizedkeys --debug 10 -d prod.zzzzzzz.com ademaria
> > (Thu Oct  6 11:29:59:823635 2016) [/usr/bin/sss_ssh_authorizedkeys]
> [main]
> > (0x0020): sss_ssh_get_ent() failed (14): Bad address
> > Error looking up public keys
> >
> > This only happens on Ubuntu 16.04. We have a number of 12.04 that work
> > perfectly.
> >
> > The configuration seems ok or at least matches the one on 12.04.
> > I increased the debug level on sssd and sss_ssh and this is the output I
> get
>
> ...
>
> > (Thu Oct  6 15:42:01 2016) [sssd[ssh]] [cert_to_ssh_key] (0x0040):
> > NSS_InitContext failed [-8015].
> > (Thu Oct  6 15:42:01 2016) [sssd[ssh]] [decode_and_add_base64_data]
> > (0x0040): cert_to_ssh_key failed.
> > (Thu Oct  6 15:42:01 2016) [sssd[ssh]] [ssh_cmd_build_reply] (0x0040):
> > decode_and_add_base64_data failed.
> > (Thu Oct  6 15:42:01 2016) [sssd[ssh]] [ssh_cmd_done] (0x0020): Fatal
> > error, killing connection!
>
> ...
>
> Newer version of SSSD can derive ssh-keys from valid X.509 certificates
> stored in the LDAP entry of the user. Unfortunately it looks like in
> your build of SSSD needs a fix for
> https://fedorahosted.org/sssd/ticket/2977. Please open a ticket for your
> distribution to include the patch for this issue which is linked at the
> end of the ticket.
>
> As a workaround you can set 'ldap_user_certificate = noSuchAttribute' in
> the [domain/...] section of sssd.conf. This should prevent SSSD from
> reading the certificate stored in the user entry. After changing
> sssd.conf you should invalidate the cache by calling 'sss_cache -E' and
> restart SSSD.
>
> HTH
>
> bye,
> Sumit
>
> >
> > Could you help me understand what is the issue with it?
> >
> > Regards
> > Alessandro
> >
> > --
> > Alessandro De Maria
> > alessandro.demaria at gmail.com
>
> > --
> > Manage your subscription for the Freeipa-users mailing list:
> > https://www.redhat.com/mailman/listinfo/freeipa-users
> > Go to http://freeipa.org for more info on the project
>
> --
> Manage your subscription for the Freeipa-users mailing list:
> https://www.redhat.com/mailman/listinfo/freeipa-users
> Go to http://freeipa.org for more info on the project
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/freeipa-users/attachments/20161006/a06dcdb5/attachment.htm>