Re: problem with nss_ldap

> On Fri, Mar 06, 2009 at 09:39:31PM +0100, Hartmut Brandt wrote:
>>
>> 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_at_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.
>
> It seems that this is because libgssapi_krb5, libgssapi_spnego
> and several other heimdal shared libraries are not linked against
> libgssapi.
>
>

As I understand it libgssapi_krb5 and libgssapi_spnego are not supposed to
be linked against libgssapi.  They're supposed to be just plugins.

tom