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issues with equality matching and slapd death

Hello Fellow OpenLDAP Techs,

I'm having an issue with equality matching and slapd death (just another day in the life of an LDAP guy...).

version info: 

OpenLDAP: slapd 2.4.44 

Red Hat Enterprise Linux Server release 7.5 (Maipo) 

RH package: openldap-servers-2.4.44-15.el7_5.x86_64


While planning for a migration, I ran into the following error:


$ ldapmodify -x  -y ~/.ldappw 

dn: uid=cs5555,ou=testPrimary,ou=mailhosts,dc=test,dc=com 

changetype: modify 

add: mailAlternateAddress 

mailAlternateAddress: cs5555@test.com

[CTRL-D]


modifying entry "uid=cs5555,ou=testPrimary,ou=mailhosts,dc=test,dc=com" 

ldap_modify: Inappropriate matching (18) 

        additional info: modify/add: mailAlternateAddress: no equality matching rule



I tried to fix this by updating the schema to add "EQUALITY caseIgnoreMatch" to the attribute definition for mailAlternateAddress.



dn: cn={5}inetLocalMailRecipient,cn=schema,cn=config 

objectClass: olcSchemaConfig 

cn: {5}inetLocalMailRecipient 

olcAttributeTypes: {0}( 2.16.840.1.113730.3.1.24 NAME 'mailRoutingAddress' DES 

 C 'iPlanet defined attribute type' SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 X-ORI 

 GIN 'iPlanet Messaging Server' ) 

olcAttributeTypes: {1}( 2.16.840.1.113730.3.1.18 NAME 'mailHost' DESC 'iPlanet 

  defined attribute type' SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 X-ORIGIN 'iPlan 

 et Messaging Server' ) 

olcAttributeTypes: {2}( 2.16.840.1.113730.3.1.13 NAME 'mailAlternateAddress' D 

 ESC 'iPlanet defined attribute type' EQUALITY caseIgnoreMatch SYNTAX 1.3.6.1. 

 4.1.1466.115.121.1.15 X-ORIGIN 'iPlanet Messaging Server' ) 

olcObjectClasses: {0}( 2.16.840.1.113730.3.2.4 NAME 'inetLocalMailRecipient' D 

 ESC 'iPlanet defined objectclass' AUXILIARY MAY ( mailAlternateAddress $ mail 

 Host $ mailRoutingAddress ) X-ORIGIN 'iPlanet Messaging Server' )



Now, after the schema change, the same ldapmodify kills slapd.


$ ldapmodify -x  -y ~/.ldappw 

dn: uid=cs5555,ou=testPrimary,ou=mailhosts,dc=test,dc=com 

changetype: modify 

add: mailAlternateAddress 

mailAlternateAddress: cs5555@test.com 

 

modifying entry "uid=cs5555,ou=testPrimary,ou=mailhosts,dc=test,dc=com" 

ldap_result: Can't contact LDAP server (-1)


Trying this with slapd running with olcLogLevel=-1, I get the following output before slapd death:

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: connection_get(11) 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: connection_get(11): got connid=1008 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: connection_read(11): checking for input on id=1008 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: op tag 0x60, time 1537906659 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: conn=1008 op=0 do_bind 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: >>> dnPrettyNormal: <cn=manager,dc=test,dc=com> 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: <<< dnPrettyNormal: <cn=manager,dc=test,dc=com>, <cn=manager,dc=test,dc=com> 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: conn=1008 op=0 BIND dn="cn=manager,dc=test,dc=com" method=128 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: do_bind: version=3 dn="cn=manager,dc=test,dc=com" method=128 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: ==> hdb_bind: dn: cn=manager,dc=test,dc=com 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: conn=1008 op=0 BIND dn="cn=manager,dc=test,dc=com" mech=SIMPLE ssf=0 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: do_bind: v3 bind: "cn=manager,dc=test,dc=com" to "cn=manager,dc=test,dc=com" 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: send_ldap_result: conn=1008 op=0 p=3 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: send_ldap_result: err=0 matched="" text="" 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: send_ldap_response: msgid=1 tag=97 err=0 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: conn=1008 op=0 RESULT tag=97 err=0 text= 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: daemon: activity on 1 descriptor 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: daemon: activity on: 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: daemon: epoll: listen=7 active_threads=0 tvp=NULL 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: daemon: epoll: listen=8 active_threads=0 tvp=NULL 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal slapd[22363]: daemon: epoll: listen=9 active_threads=0 tvp=NULL 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal systemd[1]: slapd.service: main process exited, code=killed, status=6/ABRT 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal systemd[1]: Unit slapd.service entered failed state. 

Sep 25 20:17:39 ip-172-31-94-0.ap-south-1.compute.internal systemd[1]: slapd.service failed.



Does anyone have any insight into this issue? somehow I've never run into this one before.

Many thanks,

CP

--
Rex Consulting Chris Paul
Rex Consulting, Inc
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email: chris.paul@rexconsulting.net
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