openldap-technical

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9868 discussions

autogenerated/virtual attributes
by btb＠bitrate.net 19 Jun '12

19 Jun '12

given an entry such as: dn=cn=abuse,ou=example.net,ou=mail,ou=groups,dc=example,dc=com objectclass=mailgroup cn=abuse member=uid=jdoe,ou=people,ou=accounts,dc=example,dc=com i'd like the entry to also include an attribute, generated automatically, based on the rdn of the entry and the superior's rdn. for example: dn=cn=abuse,ou=example.net,ou=mail,ou=groups,dc=example,dc=com objectclass=mailgroup cn=abuse member=uid=jdoe,ou=people,ou=accounts,dc=example,dc=com maillocaladdress=abuse(a)example.com where maillocaladdress is the automatically generated attribute. is this possible? it seems like something an overlay might accommodate, so i thought i might try experimenting with slapo-rwm, but wanted to also ask here in the meantime. thanks -ben

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How does slapd get "secret" for a DN?
by ctosgh 19 Jun '12

19 Jun '12

Greetings, As section 15.2.3 in http://www.openldap.org/doc/admin24/sasl.html said "The server's copy of the shared-secret may be stored in Cyrus SASL's own sasldb database, in an external system accessed via saslauthd, or in LDAP database itself" How does slapd know where the secret is stored? Does slapd try each place in a predefined sequence? Thanks, Jacky

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LDAP Educational Resources
by Roger Martinez 18 Jun '12

18 Jun '12

Hello all, Does anyone have any websites that they can recommend for a simple "getting started" approach to configuring OLC configuration of LDAP? I'm stuck at trying to figure out how to add my own DIT (dc=example,dc=net) so that i can add entries to it. Any guidance will be much appreciated. And thanks to Quanah and Nick for replying to my last request for help! -- Roger Martinez Intern incNETWORKS, inc.

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syncrepl in refreshOnly mode, why nentries=0?
by Warren Howard 18 Jun '12

18 Jun '12

Dear All, I have a single provider and a single consumer setup. The consumer is set up to do syncrepl of type=refreshOnly and everything looks to be in order i.e. comparing the output of ldapsearch for provider and consumer shows that the directories are in sync. When I look at the logs on the provider I see that at times when there is "nothing to do" (the directories are in sync) that nentries=0 in the SEARCH RESULT from the syncrepl connection initiated by the consumer. Then, for example, when one new entry is on the provider, I see nentries=1 in the SEARCH RESULT when the consumer connects. So for syncrepl, nentries represents the difference in entries between the provider and the consumer. But this is not what I expected to find, I expected nentries from a syncrepl connection to match nentries from an equivalent (i.e. same search parameters) ldapsearch connection. Is my logic wrong and if so why? Regards, Warren.

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contextCSN wanished on 2.3 consumers
by Turbo Fredriksson 18 Jun '12

18 Jun '12

Everything was working yesterday, I had upgraded my provider and two consumers to 2.4.31 and got a Nagios test working - all four consumers (two 2.4.31 and two 2.3.43 which can't/won't be upgraded at this time for various reasons) where all in sync. Their contextCSN mached perfectly. I got in this morning, showed of (with some pride :) the Nagios checks etc to my co workers. Started working on other things and a few minutes later another coworker came in complaining that the Nagios tests showed that the two 2.3 servers where 10 days old! Looking at the contextCSN on all servers showed that they where (suddenly!!) missing from the 2.3 servers. And No one have been fiddeling with the config or the database. Any idea what could have happened and how to fix it? -- ... but you know as soon as Oracle starts waving its wallet at a Company it's time to run - fast. /illumos mailing list

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GCC 4.7
by Turbo Fredriksson 17 Jun '12

17 Jun '12

Has anyone tried compile OpenLDAP with gcc 4.7? Is there any speed increase noticed? Gcc 4.7 'is supposed' to make applications up to 50% faster, so... ? -- ... but you know as soon as Oracle starts waving its wallet at a Company it's time to run - fast. /illumos mailing list

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Re: Problem with slapo-lastbind => segfault
by Mark Goldenstein 17 Jun '12

17 Jun '12

Hello, I'm trying to set up LDAP to track the last login of users via the slapo-lastbind overlay. I'm using the the OpenLDAP package supplied with Ubuntu 10.04 LTS. I've cloned the git repository referenced on openldap.org, switched to the lastbind directory in contrib and then ran make and make install. Then I've copied the lastbind.so* and lastbind.la files to /usr/lib/ldap and adjusted the permissions accordingly. Afterwards, I've added lastbind to cn=module to load the module. However, slapd does not start anymore and I get the following error in syslog: kernel: [2716850.919891] slapd[15422]: segfault at 6 ip 00007f0e1555ba36 sp 00007fff70b26118 error 4 in libc-2.11.1.so[7f0e15435000+17a000] Am I doing something wrong? Best regards, Mark

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Monitoring 2.3.43?
by Turbo Fredriksson 16 Jun '12

16 Jun '12

First of: I know it's old, we ARE going to upgrade at the next service interval in a few weeks! But in the meantime, is there any way to know/figure out if the master and it's slave(s) are in sync? One idea, of using a special object which is written to every x minute and then checked for consistency came up... Of course it's not a nice solution, but it is A solution... The reason for this is that yesterday our secondary LDAP server (the primary read server) stopped returning queries (might be a file lock or open filehandles problem - exact reason unknown for the moment). And for some reason, the primary LDAP server (the one we use for writes, the sync master) had an old version of the database - we THINK it happened at the last power failure in that serverroom. It brought up an old version (bdb problems possibly). So the failover to the master worked, but it was to old. And i didn't manage to do a recover on the failed bdb database. Luckily we had a SECOND replica in another city (which was in sync with the changes we did just a few hours earlier), so I did a dump of that database and loaded the primary replica (the one that failed/hung/crashed) with that. But the fact that the replica master and the slaves where out of sync worries us a little. This will be fixed correctly with an upgrade, but until then we would like to have at least _some_ way of checking the status of the sync... Any ideas for a quick hack? -- ... but you know as soon as Oracle starts waving its wallet at a Company it's time to run - fast. /illumos mailing list

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Access Log: dynamic configuration problems.
by Francesco Belli 15 Jun '12

15 Jun '12

Hello everybody, I'm using OpenLdap version 2.4.24 (4 Oct 2011) on a RedHat 6 machine. I use dynamic configuration and I'm having some problems setting up accesslog overlay. I didn't change the following file in etc/openldap/slapd.d/cn=config/ : olcDatabase={-1}frontend.ldif olcDatabase={0}config.ldif olcDatabase={1}monitor.ldif I moved olcDatabase={2}bdb.ldif to olcDatabase={3}bdb.ldif, in this way it is loaded after the access log database that is defined in the new olcDatabase={2}bdb.ldif Here there are the two configuration files: ######### olcDatabase={2}bdb.ldif ############### dn: olcDatabase={2}bdb objectClass: olcDatabaseConfig objectClass: olcBdbConfig olcDatabase: {2}bdb olcDbDirectory: /var/lib/ldap/accesslog/ olcSuffix: cn=accesslog olcAccess: {0}to dn.subtree="cn=accesslog" by dn.exact="uid=manager,ou=Users,dc=domain,dc=com" manage by dn.exact="cn=config" read olcLastMod: TRUE olcMaxDerefDepth: 15 olcReadOnly: FALSE olcRootDN: cn=accesslog olcSizeLimit: unlimited olcTimeLimit: unlimited olcMonitoring: TRUE olcDbCacheSize: 10000 olcDbCheckpoint: 64 5 olcDbNoSync: FALSE olcDbDirtyRead: FALSE olcDbIDLcacheSize: 10000 olcDbIndex: entryCSN eq olcDbIndex: objectClass eq olcDbIndex: reqEnd eq olcDbIndex: reqResult eq olcDbIndex: reqStart eq olcDbLinearIndex: FALSE olcDbMode: 0600 olcDbSearchStack: 16 olcDbShmKey: 0 olcDbCacheFree: 1 olcDbDNcacheSize: 0 ######### olcDatabase={3}bdb.ldif ############### dn: olcDatabase={3}bdb objectClass: olcDatabaseConfig objectClass: olcBdbConfig olcDatabase: {3}bdb olcSuffix: dc=domain,dc=com olcAddContentAcl: FALSE olcLastMod: TRUE olcMaxDerefDepth: 15 olcReadOnly: FALSE olcRootDN: cn=Manager, dc=domain,dc=com olcRootPW: pippopippo olcSyncUseSubentry: FALSE olcMonitoring: TRUE olcDbDirectory: /var/lib/ldap olcDbCacheSize: 1000 olcDbCheckpoint: 1024 15 olcDbNoSync: FALSE olcDbDirtyRead: FALSE olcDbIDLcacheSize: 0 olcDbIndex: objectClass pres,eq olcDbIndex: cn pres,eq,sub olcDbIndex: uid pres,eq,sub olcDbIndex: uidNumber pres,eq olcDbIndex: gidNumber pres,eq olcDbIndex: mail pres,eq,sub olcDbIndex: ou pres,eq,sub olcDbIndex: loginShell pres,eq olcDbIndex: sn pres,eq,sub olcDbIndex: givenName pres,eq,sub olcDbIndex: memberUid pres,eq,sub olcDbIndex: nisMapName pres,eq,sub olcDbIndex: nisMapEntry pres,eq,sub olcDbIndex: entryCSN eq olcDbIndex: entryUUID eq olcDbLinearIndex: FALSE olcDbMode: 0600 olcDbSearchStack: 16 olcDbShmKey: 0 olcDbCacheFree: 1 olcDbDNcacheSize: 0 structuralObjectClass: olcBdbConfig entryUUID: 9ef24df8-376a-1031-947f-692d47ac0213 creatorsName: cn=config createTimestamp: 20120521082800Z entryCSN: 20120521082800.652940Z#000000#000#000000 modifiersName: cn=config modifyTimestamp: 20120521082800Z olcOverlay: syncprov olcSpCheckpoint: 50 10 olcSpSessionlog: 100 olcOverlay: accesslog olcAccessLogDB: cn=accesslog olcAccessLogOps: writes olcAccessLogSuccess: TRUE olcAccessLogPurge: 07+00:00 01+00:00 When I run slapd -d 1 I obtain the following error that makes slapd to terminate: backend_startup_one: starting "cn=accesslog" bdb_db_open: warning - no DB_CONFIG file found in directory /var/lib/ldap/accesslog/: (2). Expect poor performance for suffix "cn=accesslog". bdb_db_open: database "cn=accesslog": dbenv_open(/var/lib/ldap/accesslog/). backend_startup_one: starting "dc=domain,dc=com" bdb_db_open: warning - no DB_CONFIG file found in directory /var/lib/ldap: (2). Expect poor performance for suffix "dc=domain,dc=com". bdb_db_open: database "dc=domain,dc=com": dbenv_open(/var/lib/ldap). accesslog: "logdb <suffix>" missing or invalid. backend_startup_one (type=bdb, suffix="dc=domain,dc=com"): bi_db_open failed! (1) slapd shutdown: initiated It seems that for some reason slapd doesn't like the olcAccessLogDB directive specified in olcDatabase={3}bdb.ldif. I tried some other configuration (I think that this is the more correct) but the problem is always there. Thanks for any help, Francesco

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Re: syncrepl, version compatibility, partial sync
by Quanah Gibson-Mount 14 Jun '12

14 Jun '12

--On Thursday, June 14, 2012 11:00 AM -0700 Ryan Lovett <relovett(a)gmail.com> wrote: > > On Thu, Jun 14, 2012 at 10:55 AM, Quanah Gibson-Mount <quanah(a)zimbra.com> > wrote: > > > --On Thursday, June 14, 2012 10:31 AM -0700 Ryan Lovett > <relovett(a)gmail.com> wrote: > > Are there any known syncrepl compatibility issues between different 2.4.x > versions? We have a master slapd running 2.4.9 and a consumer running > 2.4.21 and are having a syncrepl problem and only some of the data is > being synced. The consumer slapd logs messsages of the form: > > > a) Always run the same versions everywhere > > b) Both of those versions are out of date, and have known issues with > syncrepl. > > c) Upgrade to 2.4.31. > > > > > > I see, thanks for your feedback. We had been hoping we could rely on our > vendor's (Ubuntu LTS; 8.04 and 10.04) releases. I'll build from source. a) Please keep replies on the list b) Read <http://www.openldap.org/faq/data/cache/1456.html> from Debian c) Link to OpenSSL when you build your own d) Read <http://www.openldap.org/software/release/changes.html> --Quanah -- Quanah Gibson-Mount Sr. Member of Technical Staff Zimbra, Inc A Division of VMware, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration

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openldap-technical