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Date:      Fri, 6 Mar 2009 21:39:31 +0100 (CET)
From:      Hartmut Brandt <hartmut.brandt@dlr.de>
To:        Tom McLaughlin <tmclaugh@sdf.lonestar.org>
Cc:        kazakov@gmail.com, current@freebsd.org
Subject:   Re: problem with nss_ldap
Message-ID:  <20090306213531.G60465@beagle.kn.op.dlr.de>
In-Reply-To: <49A97F2E.3030005@sdf.lonestar.org>
References:  <E2F5A6372272F744859F67CB11ABC1110507D4@exbe05.intra.dlr.de> <alpine.BSF.1.10.0901231858510.1173@knopdnsimu13l.kn.op.dlr.de> <49A69B74.1080201@sdf.lonestar.org> <49A97F2E.3030005@sdf.lonestar.org>

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Hi Tom,

On Sat, 28 Feb 2009, Tom McLaughlin wrote:

TM>Tom McLaughlin wrote:
TM>> Harti Brandt wrote:
TM>> > On Sun, 18 Jan 2009, Hartmut.Brandt@dlr.de wrote:
TM>
TM>> > > Both create entries in /var/log/messages like:
TM>> > > 
TM>> > > Jan 18 20:00:02 knopdnsimu13f cron[1495]: GSSAPI Error:  Miscellaneous
TM>> > > failure (see
TM>> > > text)???????????????ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
TM>Z
TM>> Z
TM>> >  ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
TM>> > > Jan 18 20:00:02 knopdnsimu13f kernel: ZZZZZZZZZZZZZZZZ
TM>> > > 
TM>> > > I've tried to figure out in which of the dozens of layered libraries
TM>> > > (gss, sasl, ssl, ......) this error is generated but did not find
TM>> > > anything.
TM>> > > 
TM>> > > This is on amd64, krb5 enabled in pam, gssapi disabled in sshd_config
TM>> > > (as I said, this worked before).
TM>> > So to answer my own mail: I made a link from the kerberos ticket file
TM>> > which contains the host ticket (and is specified in nss_ldap.conf) to
TM>> > /tmp/krb5cc_0. I've no idea why this is suddenly necessary, though.
TM>> 
TM>> There may be an issue with the env method used in nss_ldap to change the
TM>> credentials cache.  My mind is fuzzy but I do recall a similar issue but
TM>> don't remember the exact cause or case.  nss_ldap has a second configurable
TM>> ccname method which when I submitted the original patch I intended to
TM>> switch to once we had a newer heimdal.  Once I get nss_ldap working on my
TM>> box I intend to submit another patch.
TM>> 
TM>> tom
TM>
TM>Hi Harti (CC maintainer),
TM>
TM>Can you try the attached patch for nss_ldap?  This should cause the host
TM>ticket to work correctly on -CURRENT.  It's "my box approved".

Does not work. I rebuilt my system with today's sources to be sure, 
removed my patches to the two library makefiles and rebuilt nss_ldap with 
your patch. I get:

# ls -l
dlopen: /usr/lib/libgssapi_spnego.so.10: Undefined symbol "GSS_C_NT_HOSTBASED_SERVICE"
/libexec/ld-elf.so.1: /usr/lib/libgssapi_krb5.so.10: Undefined symbol "gss_oid_equal"

Basically on everything I enter. Luckily vi still works :-)

I saw that the configuration script claims not to find 
gss_krb5_ccache_name in -lgssapi or -lgssapi_krb5. This is because the 
test program for -lgssapi_krb5 links only to gssapi_krb5 but not to gssapi 
and so gets a lot of errors. I fixed this by adding gssapi, but the final 
result was the same.

harti



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