openldap-technical

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9901 discussions

Structural object class rules
by dE 19 Apr '15

19 Apr '15

"An object or alias entry is characterized by precisely one structural object class superclass chain which has a single structural object class as the most subordinate object class. This structural object class is referred to as the structural object class of the entry." There's a bit of ambiguity with this "which has a single structural object class as the most subordinate object class" What do you mean by 'most subordinate'? Is it that there must be no parallel entries at the same level in the hierarchy?

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Auxiliary object class practically of no use?
by dE 19 Apr '15

19 Apr '15

According to RFC 4512 An entry can belong to any subset of the set of auxiliary object classes allowed by the DIT content rule associated with the structural object class of the entry. From what I understand, this means auxiliary classes do not 'augment'; the no. of attributes which are possible in an entry must be a subset of the structural object class the entry belongs to.

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Help: LDAP using alias to reference value of another attribute
by Poul Etto 17 Apr '15

17 Apr '15

Hi, As we store a lot of information in our LDAP server, we are looking to simplify and optimize our LDAP strucutre. Actually we have plenty OUs (like people and vpn shown hereunder) and lot of fields are duplicate (same fields with same content in different OUs). As this is not optimum and makes us push any change for a user into all concerned OUs, we woul like to use aliasing to avoid duplicating entries: This is an example of what a user would look like: dn: uid=1,ou=people,dc=red,dc=com objectClass: organizationalPerson objectClass: person objectClass: top objectClass: extensibleObject cn: Frank sn: Moses givenName: Frank Moses mail: frank.moses(a)red.com userPassword: {SSHA}XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX uid: 1 This is an example of what is to be found in the vpn account of the same user (we have home made schemas, so there are some special attributes): dn: uid=1,ou=vpn,dc=red,dc=com objectClass: top objectClass: openvpn objectClass: extensibleObject uid: 1 cn: Frank sn: Moses userUid: 1 vpnEnabled: TRUE mail: frank.moses(a)red.com userPassword: {SSHA}XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX As you can see fields cn, sn, mail are the same in both... We would like to change this to make our LDAP more dynamic. Therefore, we changed the vpn account to: dn: uid=1,ou=vpn,dc=red,dc=com objectClass: top objectClass: openvpn objectClass: extensibleObject objectClass: alias uid: 1 aliasedObjectName: uid=1,ou=people,dc=red,dc=com userUid: 1 vpnEnabled: TRUE But when requesting the server with ldapsearch it seems not to work, or maybe we just are missing someting...! For example when requesting the cn of the vpn user we would like to have the cn field in the "uid=1,ou=people,dc=red,dc=com" account. Our search: ldapsearch -W -D "cn=admin,dc=red,dc=com" -x -b 'uid=1,ou=vpn,dc=red,dc=com' cn Gives: # extended LDIF # # LDAPv3 # base <uid=1,ou=vpn,dc=red,dc=com> with scope subtree # filter: (objectclass=*) # requesting: cn # # 1, vpn, red.com dn: uid=1,ou=vpn,dc=red,dc=com # search result search: 2 result: 0 Success # numResponses: 2 # numEntries: 1 But no "cn" value returned... What are we doing wrong ? Thank you, Best regards, ZP

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Re: catch size and performance
by Quanah Gibson-Mount 17 Apr '15

17 Apr '15

--On Thursday, April 16, 2015 8:59 PM +0000 Greg Jetter <gjetter(a)gci.com> wrote: > Hello: > > I, running a openldap setup with one provider and 3 consumers , I am > seeing intermittent problems of replication not happening "Until" the > consumers are re started . This cures the problem. replication starts up > and continues for a while . > > The servers have very large amount of memory , 256 gigs .. > > I configured the hdb backend 'DB_CONFIG' , to have 4 gigs of catch , > could this be causing the replication problem ? > > whats the optional size that keeps openldap happy ? OpenLDAP version? --Quanah -- Quanah Gibson-Mount Platform Architect Zimbra, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration

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olcHidden breaks slapcat? possible bug in slapcat(8)?
by Igor Shmukler 17 Apr '15

17 Apr '15

Hello, I use olcHidden and set it to true in some instances. This seems to work, yet it breaks slapcat(8) as below: $ sudo slapcat -n 0 5530b282 olcRootPW: value #0: <olcRootPW> can only be set when rootdn is under suffix 5530b282 config error processing olcDatabase={2}hdb,cn=config: <olcRootPW> can only be set when rootdn is under suffix slapcat: bad configuration file! Is this a bug, or the desired behavior? Sincerely, Igor Shmukler

2 1

catch size and performance
by Greg Jetter 17 Apr '15

17 Apr '15

Hello: I, running a openldap setup with one provider and 3 consumers , I am seeing intermittent problems of replication not happening "Until" the consumers are re started . This cures the problem. replication starts up and continues for a while . The servers have very large amount of memory , 256 gigs .. I configured the hdb backend 'DB_CONFIG' , to have 4 gigs of catch , could this be causing the replication problem ? whats the optional size that keeps openldap happy ? thanks Greg

2 1

Fwd: 2.4.40 memory leak?
by Sergey Esin 17 Apr '15

17 Apr '15

Hi all, We're running OpenLDAP 2.4.40 (the latest available release) with just one replica server (connected via TLS) and have the following picture - http://i.imgur.com/om0lMiy.png On the graph you can see memory consumption of the slapd process on the host: in the beginngin it started without replica, then replica server was connected (memory consumption became around 4 Gigs) and then OOM (out-of-memory) killer on linux machine just killed the process. There are ~400 000 users in our ldap database. OpenLDAP was compiled from sources using "./configure --prefix=/ldap2440 --with-tls --enable-slapd". Are there any ways to understand what's is going wrong and how to fix it? This server is really important for us, please share any ideas how to make it stable! My DB_CONFIG is like below: set_flags DB_LOG_AUTOREMOVE set_cachesize 0 524288000 5 set_lg_regionmax 1048576 set_lg_max 10485760 set_lg_bsize 2097512 set_lk_max_locks 23000 set_lk_max_lockers 2300 set_lk_max_objects 2300 -- Regards, Sergey

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Re: olcHidden breaks slapcat? possible bug in slapcat(8)?
by Igor Shmukler 17 Apr '15

17 Apr '15

Hello Ulrich, Not to me, it does not answer the question. How do I connect olcHIdden set to TRUE throwing an error, and FALSE does not? Would you mind making the connection for me, please. Sincerely, Igor Shmukler On Fri, Apr 17, 2015 at 9:38 AM, Ulrich Windl <Ulrich.Windl(a)rz.uni-regensburg.de> wrote: >>>> Igor Shmukler <igor.shmukler(a)gmail.com> schrieb am 17.04.2015 um 09:16 in > Nachricht > <CAA1SNA3DMtE+1ZnzCu_NxeX164ZK3aZ-G7o0q-Dx8KXc5QBxDA(a)mail.gmail.com>: >> Hello, >> >> I use olcHidden and set it to true in some instances. >> This seems to work, yet it breaks slapcat(8) as below: >> $ sudo slapcat -n 0 >> 5530b282 olcRootPW: value #0: <olcRootPW> can only be set when rootdn >> is under suffix >> 5530b282 config error processing olcDatabase={2}hdb,cn=config: >> <olcRootPW> can only be set when rootdn is under suffix >> slapcat: bad configuration file! > > In a message Igor sent to be before, it showed that he has a oldRootPW set, but no olcRootDN. > I guess it answered the question, right? > >> >> Is this a bug, or the desired behavior? >> >> Sincerely, >> >> Igor Shmukler > > > >

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Re: Re: Can domain admins be filtered out with ACLs?
by Igor Shmukler 16 Apr '15

16 Apr '15

Hello Ulrich, I do not doubt that you are right, yet what to understand. Why would be rootdn necessary to fix ACLs when we have the config database without RootDN and therefore that one is cannot be messed up by applying a filter to the RootDN? Not that I doubt wisdom of the design decisions. For my goal, I am going to use olcHidden to achieve what I need instead. If I cannot properly suspend a DIT, I get close to desired results by hiding the database. Sincerely, Igor Shmukler On Fri, Apr 17, 2015 at 8:15 AM, Ulrich Windl <Ulrich.Windl(a)rz.uni-regensburg.de> wrote: >>>> Quanah Gibson-Mount <quanah(a)zimbra.com> schrieb am 16.04.2015 um 20:38 in > Nachricht <C40A1A2544EECEE4E75EA494(a)[192.168.1.9]>: > [...] >>>From the slapd.access(5) man page: >> >> Be warned: the rootdn can always read and write EVERYTHING! > > ...and that is very helpful if you messed up your ACLs... > > [...] > > Regards, > Ulrich > >

1 0

Can domain admins be filtered out with ACLs?
by Igor Shmukler 16 Apr '15

16 Apr '15

Hello, I tried to filter out everyone except cn=config when my ACL filter rule is true (a NAME type attribute matches a value), so that password authentication for filtered-out users would fail. It works for regular users, and does not for admins. Is this because my ACL rules are wrong, or is this a feature of OpenLDAP? Why no matter what I do My LDIF is below: dn: olcDatabase={2}hdb,cn=config changetype: modify replace: olcAccess olcAccess: {0}to attrs=userPassword,shadowLastChange filter=(serviceLevel=suspended) by dn="cn=config" write by * none olcAccess: {1}to attrs=userPassword,shadowLastChange filter=(!(serviceLevel=suspended)) by self write by anonymous auth by dn="cn=admin,dc=directory,dc=com" write by dn="cn=config" write by * none olcAccess: {2}to dn.base="" by * read olcAccess: {3}to * filter=(serviceLevel=suspended) by dn="cn=config" write by * none olcAccess: {4}to * filter=(!(serviceLevel=suspended)) by self write by dn="cn=admin,dc=directory,dc=com" write by dn="cn=config" write by * read Is there something special about LDAP administrator, by design? Thank you, Igor Shmukler

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openldap-technical