I have a new requirement to proxy requests to a partner's LDAP (3rd party), based on organization. These request come into my slave servers. The slaves are chaining referrals to a single master (for my company's users).
I have set up the proxy using back-ldap, along with the rewrite/map overlay (to massage the domain and map attrs). All requests to the partner's LDAP will be read-only.
First question: Is back-ldap the correct approach for this? Is there a better way? This set-up is fairly simple and it 'seems' to be working.
Second question: If this is the way, are there any rules that apply as far as where the chain overlay (order) should appear in slapd.conf?
Here's a portion my slave slapd.conf (with openldap 2.3.43):
modulepath /usr/lib/openldap moduleload ppolicy.la moduleload rwm.la
#=================================================================== # chain to master for updates overlay chain
chain-uri ldap://172.1.1.1 chain-idassert-bind bindmethod="simple"
binddn="cn=ldapChain,o=myorg,dc=mycompany,dc=net" credentials="chainsecret" mode="self"
chain-max-depth 2 chain-return-error TRUE chain-rebind-as-user TRUE
#=================================================================== # back-ldap (partner database)
database ldap uri "ldap://172.2.2.2" suffix "o=partnerorg,dc=mycompany,dc=net" lastmod off
#=================================================================== # Rewrite/map overlay overlay rwm
rwm-suffixmassage "o=partnerorg,dc=mycompany,dc=net" "o=partnerorg,dc=partner,dc=net" rwm-map objectclass top top rwm-map objectclass person person rwm-map objectclass posixAccount posixAccount rwm-map attribute DiagAccessLevel gecos rwm-map attribute DiagGroup description <etc, snip>
#=================================================================== # Local database definitions
database bdb suffix "dc=mycompany,dc=net" rootdn "cn=ldaproot,dc=mycompany,dc=net" rootpw bigsecret
lastmod on directory /var/lib/ldap mode 0660 checkpoint 100 30
# Indices to maintain for this database index objectclass,entryCSN,entryUUID eq,pres <etc>
#------------------------------------------------------------------- # ACLs for this database access to attrs=userPassword by self write by group.exact="cn=administrators,o=myorg,dc=mycompany,dc=net" write by dn.sub="o=partnerorg,dc=partner,dc=net" none by anonymous auth by * none
access to * by group.exact="cn=administrators,o=myorg,dc=mycompany,dc=net" write by dn.sub="o=partnerorg,dc=partner,dc=net" none by anonymous none by * read
#=================================================================== syncrepl rid=004 type=refreshAndPersist provider=ldap://172.1.1.1 retry="30 10 300 3" searchbase="dc=mycompany,dc=net" filter="(objectClass=*)" scope=sub schemachecking=off bindmethod=simple binddn="cn=syncRepl,o=myorg,dc=mycompany,dc=net" credentials="secretsync"
updateref ldap://172.1.1.1
Thanks in advance, John
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