Domain transition missing
Vadym Chepkov
chepkov at yahoo.com
Sat Jul 4 12:44:34 UTC 2009
Thank you
Every single daemon out there was choking, just a few:
type=AVC msg=audit(1246707387.606:8922): avc: denied { connectto } for pid=1313 comm="dovecot-auth" path="/var/run/winbindd/pipe" scontext=unconfined_u:system_r:dovecot_auth_t:s0 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707463.608:8931): avc: denied { connectto } for pid=6828 comm="sendmail" path="/var/run/winbindd/pipe" scontext=unconfined_u:system_r:sendmail_t:s0 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707468.105:8932): avc: denied { connectto } for pid=6841 comm="procmail" path="/var/run/winbindd/pipe" scontext=unconfined_u:system_r:procmail_t:s0 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707508.622:8935): avc: denied { connectto } for pid=6847 comm="sendmail" path="/var/run/winbindd/pipe" scontext=unconfined_u:system_r:sendmail_t:s0 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707508.629:8936): avc: denied { connectto } for pid=6851 comm="dbus-daemon-lau" path="/var/run/winbindd/pipe" scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707632.720:8963): avc: denied { connectto } for pid=7855 comm="pop3" path="/var/run/winbindd/pipe" scontext=unconfined_u:system_r:dovecot_t:s0 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1246707632.732:8964): avc: denied { connectto } for pid=7857 comm="dbus-daemon-lau" path="/var/run/winbindd/pipe" scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:system_cronjob_t:s0 tclass=unix_stream_socket
Sincerely yours,
Vadym Chepkov
--- On Sat, 7/4/09, Dominick Grift <domg472 at gmail.com> wrote:
> From: Dominick Grift <domg472 at gmail.com>
> Subject: Re: Domain transition missing
> To: "Vadym Chepkov" <chepkov at yahoo.com>
> Cc: "Fedora SELinux" <fedora-selinux-list at redhat.com>
> Date: Saturday, July 4, 2009, 8:38 AM
> On Sat, 2009-07-04 at 05:11 -0700,
> Vadym Chepkov wrote:
> > Hi,
> >
> > Last night I got a nasty surprise from selinux. I am
> using winbind for external authentication and since it has
> history of failures I have a simple watchdog implemented to
> check the status and restart it if necessary. That is
> what happened last night and as a law abiding selinux
> citizen I used 'service winbind restart', but it seems the
> proper domain transitions is missing and winbind was started
> in system_cronjob_t domain instead of winbind_t and none of
> other domains could connect to it.
> >
> > I think jobs running from cron should be granted the
> same transition rules as from unconfined_t.
> >
> > I will file bugzilla report about it, but could
> somebody help me with modifying my local policy until/if it
> gets implemented, please? Thank you.
> >
> > Sincerely yours,
> > Vadym Chepkov
>
> A domain transition would be:
>
> policy_module(mywinbind, 0.0.1)
>
> require { type system_cronjob_t, winbind_exec_t, winbind_t;
> }
> domain_auto_trans(system_cronjob_t, winbind_exec_t,
> winbind_t)
>
> Can you show us the full raw avc denial?
>
> > --
> > fedora-selinux-list mailing list
> > fedora-selinux-list at redhat.com
> > https://www.redhat.com/mailman/listinfo/fedora-selinux-list
>
>
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