SASL problems with spnego on 8.0-BETA4

Sam Leffler sam at
Fri Sep 18 23:18:45 UTC 2009

Rick Macklem wrote:
> On Fri, 18 Sep 2009, John Marshall wrote:
>> On Thu, 17 Sep 2009, 21:28 +0300, George Mamalakis wrote:
>>> Dear all,
>>> I am trying to setup ldap with heimdal on my fbsd 8.0-BETA4 and when I
>>> run ldapsearch to see if I can authenticate via GSSAPI I keep getting
>>> the following error:
>>> [root at ldap root]# ldapsearch  -H "ldap://" -b
>>> "dc=example,dc=com"
>>> SASL/GSSAPI authentication started
>>> dlopen: /usr/lib/ Undefined symbol
>>> ldap_sasl_interactive_bind_s: Local error (-2)
> I don't know if you guys feel like experimenting, but here's what little
> I know about the heimdal/gssapi setup.
> When cyrus-sasl2 builds, it uses the little shell script
> /usr/bin/krb5-config with the args. "--libs gssapi" to get the list of
> libraries to link against. This doesn't return "-lgssapi_spnego" in the
> list. (The list can be changed by editting line #96 of
> /usr/bin/krb5-config.)
> Nothing seems to link against "-lgssapi_spnego", so it's a mystery to
> me how it ends up using it? (Maybe others with knowledge on how FreeBSD
> loads libraries can explain it. The library is listed in /etc/gss/mech.)
> GSS_C_NT_HOSTBASED_SERVICE is defined in the file gss_names.o in
> "-lgssapi", which is at the beginning of the list of libraries returned
> by "krb5-config --libs gssapi".
> I'm hoping that someone who understands how libraries get loaded can
> solve the puzzle, but barring that, you could try added "-lgssapi_spnego"
> to line #96 of /usr/bin/krb5-config in front of "-lgssapi" and see if that
> gets things to load properly?
> Not much help, but I don't know how to test this stuff, rick

FWIW I hit the same problem (I think) with cyrus imap and saslauthd.  I
am running HEAD and tried building w/ and w/o kerberos enabled but
cyradm aborts on startup complaining about the missing symbol.  I
started digging because I couldn't get cyrus imap to authenticate users.
 Feels like one or more of these ports are busted.


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