On Wed, 2013-04-03 at 10:56 -0400, J. Bruce Fields wrote: > On Wed, Apr 03, 2013 at 02:35:48PM +0000, Myklebust, Trond wrote: > > On Wed, 2013-04-03 at 10:20 -0400, J. Bruce Fields wrote: > > > On Tue, Apr 02, 2013 at 03:32:29PM -0400, Simo Sorce wrote: > > > > Options are not in alphabetical order but -z/-Z clearly always come last. > > > > > > > > Signed-off-by: Simo Sorce <simo@xxxxxxxxxx> > > > > --- > > > > utils/gssd/gssd.man | 13 ++++++++++++- > > > > 1 files changed, 12 insertions(+), 1 deletions(-) > > > > > > > > diff --git a/utils/gssd/gssd.man b/utils/gssd/gssd.man > > > > index 79d9bf91ac6b976c57d167e60d07f828a3ff5b1f..7918c2a0ff76c3918449cf3e1420f0a289929ac1 100644 > > > > --- a/utils/gssd/gssd.man > > > > +++ b/utils/gssd/gssd.man > > > > @@ -8,7 +8,7 @@ > > > > rpc.gssd \- RPCSEC_GSS daemon > > > > .SH SYNOPSIS > > > > .B rpc.gssd > > > > -.RB [ \-fMnlvr ] > > > > +.RB [ \-fMnlvrzZ ] > > > > .RB [ \-k > > > > .IR keytab ] > > > > .RB [ \-p > > > > @@ -266,6 +266,17 @@ new kernel contexts to be negotiated after > > > > seconds, which allows changing Kerberos tickets and identities frequently. > > > > The default is no explicit timeout, which means the kernel context will live > > > > the lifetime of the Kerberos service ticket used in its creation. > > > > +.TP > > > > +.B -z > > > > +This option tries to avoid DNS Reverse (PTR) lookups for determining the > > > > +server name to pass to GSSAPI if the name passed at mount point is not an IP > > > > +address. Currently off by default for compatibility reasons. > > > > +.TP > > > > +.B -Z > > > > +This is the inverse of > > > > +.B -z > > > > +and forces the use of DNS Reverse resolution of the server's IP address to > > > > +retrieve the server name to use in GSAPI authentication. > > > > > > By the way I think with the "new" upcall, gssd ignores whatever it got > > > out of the info file if the "target=" parameter is provided in the > > > upcall. > > > > Correct. > > > > > (But looking at the code I think that's only used in the nfsv4.0 > > > callback case, and isn't worth mentioning here.) > > > > Wrong. It is also used for NFSv4 and NFSv4.1 state management. > > IOW: SETCLIENTID/RENEW and for NFSv4.1 EXCHANGE_ID/SEQUENCE; anything > > that uses clp->cl_machine_cred. > > I was talk about "target=", but I believe you're talking about > "service=". > > The former is a server name (myserver.example.com), the latter a service > name (nfs). Right, but gssd_refresh_krb5_machine_credential combines both in order to create the keytab entry. -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@xxxxxxxxxx www.netapp.com -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
