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Bug 598501

Summary: SSSD doesn't follow LDAP referrals when using non-anonymous bind
Product: Red Hat Enterprise Linux 6 Reporter: Dmitri Pal <dpal>
Component: sssdAssignee: Stephen Gallagher <sgallagh>
Status: CLOSED ERRATA QA Contact: Chandrasekar Kannan <ckannan>
Severity: medium Docs Contact:
Priority: low    
Version: 6.0CC: benl, dpal, grajaiya, jgalipea, sgallagh
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: sssd-1.5.0-1.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 598485 Environment:
Last Closed: 2011-05-19 11:41:25 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 598485    
Bug Blocks: 579778    

Description Dmitri Pal 2010-06-01 14:12:14 UTC 
+++ This bug was initially created as a clone of Bug #598485 +++

Description of problem:
If SSSD is configured to use non-anonymous bind (a bind DN is specified and an authentication token such as a password is being used), SSSD does not properly follow referrals. It will only attempt to bind anonymously to the referred server.

More information is available at the upstream bug report:
https://fedorahosted.org/sssd/ticket/495

Version-Release number of selected component (if applicable):
sssd-1.2.0-12.el6

How reproducible:
Every time

Steps to Reproduce:
1. Set up two LDAP servers requiring non-anonymous bind (anonymous bind should fail)
2. Add a referral on the primary LDAP server for a particular entry that will be answered by the secondary LDAP server. (Use a user entry for easiest reproduction)
3. Configure SSSD with id_provider = ldap and ldap_uri pointing at the primary LDAP server.
4. Request the user entry above (use 'getent passwd <username>')

  
Actual results:
No results found. The logs for the secondary LDAP server will show a failed anonymous bind.

Expected results:
The user should be returned from the secondary LDAP server.

Additional info:
https://fedorahosted.org/sssd/ticket/495
Comment 3 Gowrishankar Rajaiyan 2011-04-12 15:28:52 UTC 
Server:
# ldapsearch -x -h sssdldap.redhat.com -p 389 -D "uid=referred_user3,ou=People,dc=example,dc=com" -w Secret123 -b ou=people,dc=example,dc=com
ldap_bind: Referral (10)
	referrals:
		ldap://shanksldap.redhat.com/uid=referred_user3,ou=people,dc=example,dc=com


Client:
[domain/LDAP]
id_provider = ldap
auth_provider = ldap
ldap_uri = ldaps://sssdldap.redhat.com:636
ldap_search_base = dc=example,dc=com
ldap_tls_reqcert = demand
ldap_tls_cacertdir = /etc/openldap/cacerts
ldap_tls_cacert = /etc/openldap/cacerts/cacert.asc
cache_credentials = true
enumerate = false
debug_level = 9
ldap_default_bind_dn = cn=Directory Manager
ldap_default_authtok_type = password
ldap_default_authtok = Secret123


# getent -s sss passwd referred_user3
referred_user3:*:7007:7007:referred_user3:/home/referred_user3:/bin/bash


Verified: # rpm -qi sssd | head 
Name        : sssd                         Relocations: (not relocatable)
Version     : 1.5.1                             Vendor: Red Hat, Inc.
Release     : 27.el6                        Build Date: Tue 12 Apr 2011 07:10:31 PM IST
Install Date: Tue 12 Apr 2011 07:27:31 PM IST      Build Host: hs20-bc2-3.build.redhat.com
Group       : Applications/System           Source RPM: sssd-1.5.1-27.el6.src.rpm
Size        : 3462773                          License: GPLv3+
Signature   : (none)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://fedorahosted.org/sssd/
Summary     : System Security Services Daemon
Comment 4 errata-xmlrpc 2011-05-19 11:41:25 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0560.html
Comment 5 errata-xmlrpc 2011-05-19 13:08:35 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0560.html