I'm trying to set up LDAP authentication with Apache, and I keep running
into issues with syntax.  I've got logging set to debug, which has helped
somewhat.

Here's the code for the directory I'm restricting access to in httpd.conf:

 <Directory /home/user/test.watkins.edu/html>
   AllowOverride None
   Order deny,allow
   Deny from All
   AuthName "Watkins Test"
   AuthType Basic
   AuthBasicProvider ldap
   AuthzLDAPAuthoritative on
   AuthLDAPUrl "ldap://ldap.watkins.edu/ou=people,dc=watkins,dc=edu?uid";
   AuthLDAPGroupAttributeIsDN off
   AuthLDAPGroupAttribute member
   Require ldap-group cn=test_me,ou=group,dc=watkins,dc=edu
   Require ldap-attribute gidNumber=1029
   Satisfy any
 </Directory>

The idea is that you have to be in the "test_me" group in order to
authenticate.  I've added myself to that group, and when I try to log in, my
user name and password are accepted, but the authentication fails during
group membership lookup.  Here's an example from error.log:

[debug] mod_authnz_ldap.c(390): [client 192.168.1.196] [16822] auth_ldap
authenticate: using URL ldap://
ldap.watkins.edu/ou=people,dc=watkins,dc=edu?uid

[debug] mod_authnz_ldap.c(489): [client 192.168.1.196] [16822] auth_ldap
authenticate: accepting curt

[debug] mod_authnz_ldap.c(816): [client 192.168.1.196] [16822] auth_ldap
authorise: require group: testing for group membership in
"cn=test_me,ou=group,dc=watkins,dc=edu"

[debug] mod_authnz_ldap.c(822): [client 192.168.1.196] [16822] auth_ldap
authorise: require group: testing for member: curt
(cn=test_me,ou=group,dc=watkins,dc=edu)

[debug] mod_authnz_ldap.c(838): [client 192.168.1.196] [16822] auth_ldap
authorise: require group "cn=test_me,ou=group,dc=watkins,dc=edu":
authorisation failed [Comparison complete]*[Invalid syntax]*

[debug] mod_authnz_ldap.c(976): [client 192.168.1.196] [16822] auth_ldap
authorise: authorisation denied

I've taken the timestamp away and added a line to make the log entries a
little more readable.  The original examples I've seen for the directory
entry specify "memberUid" - but that's not how our LDAP is set up.  I get a
different error if I try that.  The group number is correct, and even with a
lot of twiddling, what I see is the "Invalid syntax" error - and the
authentication fails.  I've verified that my user name is indeed a member of
the "test_me" LDAP group.

Any thoughts?  There's little documentation that I've uncovered, and much of
it is duplicated from other sites, apparently.

Curt

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