Fix ldap_add Constraint Violation (19) Error

ldapldifopenldapubuntu-10.04

I'm having issues importing users with ldapadd and ldif files. The error I'm getting is:

ldap_add: Constraint violation (19)
additional info: structuralObjectClass: no user modification allowed

The users imported are all part of ou=People,dc=example,dc=org. The LDAP server already contains this base DN.

The /etc/ldap/slapd.d/cn=config/olcDatabase={1}hdb.ldif file contains the following ACL entry:

olcAccess: {2}to dn.base="ou=People,dc=example,dc=org" attrs=children by gr
 oup.exact="cn=Manager,ou=Roles,dc=example,dc=org" manage

The ldif file is imported as follows:

ldapadd -f import.ldif -xv -D "cn=drupal,ou=Apps,dc=example,dc=org" -h localhost -W

The cn=drupal,ou=Apps[...] entry is a member of cn=Manager,ou=Roles,dc=example,dc=org so accordingly it should have sufficient permissions to write (since manage is the highest level of permissions available).

When I issue the ldapadd command the import fails on the very first ldif entry. The full command output is then:

add objectClass:
    top
    person
    inetOrgPerson
add uid:
    John.Merrell
add mail:
    john.merrell@example.org
add cn:
    John D Merrell
add structuralObjectClass:
    inetOrgPerson
add entryUUID:
    65236c42-09b7-1020-9318-9fca7c043dfc
add creatorsName:
    cn=drupal,ou=Apps,dc=bidnetwork,dc=org
add createTimestamp:
    20110503095643Z
add userPassword:
    2678u8yyy
add givenName:
    John D
add sn:
    Merrell
add entryCSN:
    20110629121956.880164Z#000000#000#000000
add modifiersName:
    cn=drupal,ou=Apps,dc=bidnetwork,dc=org
add modifyTimestamp:
    20110629121956Z
adding new entry "mail=john.merrell@example.org,ou=People,dc=example,dc=org"
ldap_add: Constraint violation (19)
    additional info: structuralObjectClass: no user modification allowed

I've tested importing users that did or did not exist on the LDAP and I get the aforementioned error in either case.

Can someone explain the origin of the problem and how it may be circumvented?

Best Answer

How did you generate those LDIF files? structuralObjectClass is one of the internal values in OpenLDAP and user - even administrator - cannot normally modify those.

Either remove those structuralObjectClass lines from your LDIF or import the entries back with slapadd (I bet you generated the LDIF files with slapcat).

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