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Bug 2170494

Summary: Obsolete nsslapd-ldapimaprootdn attribute
Product: Red Hat Enterprise Linux 9 Reporter: Viktor Ashirov <vashirov>
Component: 389-ds-baseAssignee: Simon Pichugin <spichugi>
Status: CLOSED ERRATA QA Contact: LDAP QA Team <idm-ds-qe-bugs>
Severity: high Docs Contact: Evgenia Martynyuk <emartyny>
Priority: high    
Version: 9.2CC: bsmejkal, emartyny, idm-ds-dev-bugs, mreynolds, spichugi
Target Milestone: rcKeywords: Triaged
Target Release: 9.3Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: sync-to-jira
Fixed In Version: 389-ds-base-2.3.4-1.el9 Doc Type: Deprecated Functionality
Doc Text:
.The `nsslapd-ldapimaprootdn` parameter is deprecated In Directory Server, the `nsslapd-ldapimaprootdn` configuration parameter is used to map a system root entry to a root DN entry. Usually, the `nsslapd-ldapimaprootdn` parameter has the same value as the `nsslapd-rootdn` parameter. In addition, changing one attribute but not changing the other leads to a non-functional autobind configuration that breaks `dsconf` utility and access to the web console. With this update, Directory Server uses only the `nsslapd-rootdn` parameter to map a system root entry to a root DN entry. As a result, the `nsslapd-ldapimaprootdn` parameter is deprecated and the root DN change does not break `dsconf` utility and access to the web console.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2023-11-07 08:25:17 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Viktor Ashirov 2023-02-16 14:22:14 UTC 
Description of problem:
LDAPI code uses nsslapd-ldapimaprootdn to map Unix root entry to a Root DN entry. It usually has the same value as nsslapd-rootdn. Changing one attribute but not changing the other leads to a non-functional autobind configuration that breaks dsconf and WebUI.

LDAPI code should use nsslapd-rootdn value instead of having two separate entries that should be kept in sync. This should make changing Root DN simpler and without fear that it will break dsconf or WebUI access.

See https://bugzilla.redhat.com/show_bug.cgi?id=2127795 for context.
Comment 1 Viktor Ashirov 2023-07-28 08:09:39 UTC 
Build tested: 389-ds-base-2.3.4-2.el9.x86_64

[1] dsconf changes only nsslapd-rootdn when RootDN is updated (previously both nsslapd-rootdn and nsslapd-ldapimaprootdn were changed): 

# dsconf -D cn=Directory\ Manager ldap://localhost config replace nsslapd-rootdn="cn=admin"
Enter password for cn=Directory Manager on ldap://localhost:
Successfully replaced "nsslapd-rootdn"


[2] When nsslapd-ldapimaprootdn is updated, dsconf logs a message:

# dsconf -D cn=Directory\ Manager ldap://localhost config replace nsslapd-ldapimaprootdn="cn=admin"
Enter password for cn=Directory Manager on ldap://localhost:
Successfully replaced "nsslapd-ldapimaprootdn"
The "nsslapd-ldapimaprootdn" setting is obsolete and kept for compatibility reasons. For LDAPI configuration, "nsslapd-rootdn" is used instead

And in the errors log:
[28/Jul/2023:03:54:30.718130078 -0400] - WARN - config_set_ldapi_root_dn - The "nsslapd-ldapimaprootdn" setting is obsolete and kept for compatibility reasons. For LDAPI configuration, "nsslapd-rootdn" is used instead.

In cn=config new value is also present: 
# ldapsearch -LLL -D cn=Directory\ Manager -w password -H ldap://localhost -s base -b cn=config nsslapd-rootdn nsslapd-ldapimaprootdn
dn: cn=config
nsslapd-rootdn: cn=Directory Manager
nsslapd-ldapimaprootdn: cn=admin

And autobind continues to work, since nsslapd-rootdn is now used, instead of nsslapd-ldapimaprootdn

# dsconf localhost backend suffix list
dc=example,dc=com (userroot)
# echo $?
0

[28/Jul/2023:04:08:03.981381558 -0400] conn=14 fd=64 slot=64 connection from local to /run/slapd-localhost.socket
[28/Jul/2023:04:08:03.985945222 -0400] conn=14 AUTOBIND dn="cn=Directory Manager"
[28/Jul/2023:04:08:03.987695893 -0400] conn=14 op=0 BIND dn="cn=Directory Manager" method=sasl version=3 mech=EXTERNAL

Marking as Verified:Tested
Comment 6 errata-xmlrpc 2023-11-07 08:25:17 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (389-ds-base bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:6350