openldap-devel April 2008

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delta-syncrepl, Delta-Syncrepl or Delta syncrepl?
by Gavin Henry 18 Apr '08

18 Apr '08

Hi All, How exactly is this written? Cheers.

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syncrepl and schema replication crashes
by manu＠netbsd.org 17 Apr '08

17 Apr '08

I just upgraded to 2.4.8, and I experience a stability problem with synrepl and schema replication. My replicas get cn=schema,cn=config through syncrepl. If the master is restarted, the replicas tend to crash (not always, but very frequently). The problem disapear if I don't replicate cn=schema,cn=config. Below is a log of what happens at master restaty time, and the backtrace I collected in GDB. Any suggestion of what should I try next? Apr 17 22:16:01 khazad-dum slapd[6292]: conn=55 fd=13 closed (connection lost) Apr 17 22:16:02 khazad-dum slapd[6292]: do_syncrep2: rid=222 (-1) Can't contact LDAP server Apr 17 22:16:02 khazad-dum slapd[6292]: do_syncrep2: rid=022 (-1) Can't contact LDAP server Apr 17 22:16:02 khazad-dum slapd[6292]: do_syncrepl: rid=022 retrying Apr 17 22:16:02 khazad-dum slapd[6292]: do_syncrepl: rid=222 retrying Program received signal SIGSEGV, Segmentation fault. [Switching to LWP 1] 0x08098b62 in at_next () (gdb) bt #0 0x08098b62 in at_next () #1 0x080506fe in config_generic () #2 0x0805b4e7 in config_set_vals () #3 0x0805bc9f in config_parse_add () #4 0x080579d8 in config_modify_add () #5 0x0805820e in config_modify_internal () #6 0x080585d0 in config_back_modify () #7 0x080af683 in syncrepl_entry () #8 0x080abd18 in do_syncrep2 () #9 0x080acf32 in do_syncrepl () #10 0x08063c25 in connection_read_thread () #11 0xbdbbbd61 in ldap_int_thread_pool_wrapper () from /usr/pkg/lib/libldap_r-2.4.so.2 #12 0xbd95a17d in pthread_create () from /usr/lib/libpthread.so.0 -- Emmanuel Dreyfus http://hcpnet.free.fr/pubz manu(a)netbsd.org

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Creating entries on the fly, destroying them when operation is over
by Davor Ocelic 17 Apr '08

17 Apr '08

Hey folks, In the search callback, I need to check whether an entry exists, and if not, create it based on an another entry used as template (duplicating also eventual tree elements below it, if they exist). For example, if cn=a,cn=TESTVAL1,ou=group,dc,dc doesn't exist, it should be created from cn=a,cn=TEMPLATE,ou=group,dc,dc. The created entry (and the eventual subtree) should not persist and should be dropped after the operation finishes. Questions: 1) What's an elegant way to duplicate an entry in this way where an exact copy should be made, just with a different DN? 2) Since the entry creation is done in search callback, it can't be just "slipped in" like it would be possible in response callback alone, so how do I mark the created entry for removal when the operation is done? Can this be scheduled automatically with entry flags (like REP_ENTRY_MUSTBEFREED), or there would have to be a manual mechanism for deleting entries in response callback? Thanks, -doc

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OpenLDAP Faq-O-Matic: Misleading comment in "Which version of BerkeleyDB should I use?"
by Michael Ströder 17 Apr '08

17 Apr '08

HI! I think this text in http://www.openldap.org/faq/data/cache/44.html needs some correction since recent BDB 4.6 cannot be used with OpenLDAP 2.3: "[..] Versions 4.4, 4.5, and 4.6 are known to work with OpenLDAP 2.3 and newer." I don't know how to edit existing text in the FAQ-O-MATIC. Ciao, Michael.

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Re: RE2.4
by Raphaël Ouazana-Sustowski 16 Apr '08

16 Apr '08

Hi, Le Mar 15 avril 2008 09:25, Gavin Henry a écrit : >> Please test RE2.4 and let me know how things go. > > All passed on i386, Fedora 8 here. Any news on the build machine rebuild > Kurt? > >>>>> Starting test050-syncrepl-multimaster ... running defines.sh Initializing server configurations... Starting producer slapd on TCP/IP port 9011... Using ldapsearch to check that producer slapd is running... Inserting syncprov overlay on producer... Starting consumer slapd on TCP/IP port 9012... Using ldapsearch to check that consumer slapd is running... Configuring syncrepl on consumer... Starting consumer2 slapd on TCP/IP port 9013... Using ldapsearch to check that consumer2 slapd is running... Configuring syncrepl on consumer2... Adding schema and databases on producer... Using ldapadd to populate producer... Waiting 20 seconds for syncrepl to receive changes... Using ldapadd to populate consumer... Waiting 20 seconds for syncrepl to receive changes... Using ldapsearch to check that syncrepl received database changes... Waiting 5 seconds for syncrepl to receive changes... Waiting 5 seconds for syncrepl to receive changes... Waiting 5 seconds for syncrepl to receive changes... Waiting 5 seconds for syncrepl to receive changes... Waiting 5 seconds for syncrepl to receive changes... Waiting 5 seconds for syncrepl to receive changes... ldapsearch failed (32)! >>>>> ./scripts/test050-syncrepl-multimaster failed (exit 32) make[2]: *** [hdb-yes] Erreur 32 make[2]: quittant le répertoire « /tmp/openldap/tests » make[1]: *** [test] Erreur 2 make[1]: quittant le répertoire « /tmp/openldap/tests » make: *** [test] Erreur 2 Regards, Raphaël Ouazana.

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Any plans for 2.4.9?
by Michael Ströder 16 Apr '08

16 Apr '08

HI! Are there any plans when to release 2.4.9? I vaguely remember some interesting fixes and noticed that some things were already back-ported to RE24. Ciao, Michael.

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RE2.4
by Quanah Gibson-Mount 15 Apr '08

15 Apr '08

I've sync'd up RE24 with everything I'm aware of except for: Update of /repo/OpenLDAP/pkg/ldap/servers/slapd/back-bdb Modified Files: referral.c 1.49 -> 1.50 Log Message: ITS#5339: fix referral rewrite, remove pointless default_referral code as I was not sure from the comments if this was really ready for release. Please test RE2.4 and let me know how things go. --Quanah -- Quanah Gibson-Mount Principal Software Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration

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non-unix help needed: valid filename characters?
by Hallvard B Furuseth 14 Apr '08

14 Apr '08

Which characters one can safely use in filenames on at least the platforms OpenLDAP is ported to: Unix, Windows (cygwin), IBM zOS and MacOS X according to ANNOUNCEMENT? In particular Windows, since that's the most common non-Unix platform. I only know Unix filenames. Googling around I've found a plethora of conflicting info. It's for a naming scheme for back-ldif filenames that will let back-ldif work as a general backend, and hopefully won't conflict with its current names for the config database. ITS#5408. Currently back-ldif takes the RDN and escapes the directory separator as "\hex", which doesn't work on Windows where \ is a directory separator. Some other notes: - Don't need really general filenames. OpenLDAP does in any case assume Unix/Windows/URL-style pathnames: root to the left, leaf to the right, a single directory separator character. - Hopefully the characters "=-{}" can be used, since database config uses those characters. E.g. olcDatabase={-1}frontend,cn=config. ",+" would be nice too, as separators in and between RDNs. - Need some escape character. Howard suggested % as in URL-escaping. First that sounded nice, but on second thought such a filename is not a valid file:// URL component for that file - the '%' must be URL-escaped again to access the file as an URL. Not sure if that's a good argument either way. Full URL-escaping also escapes {} which is unfortunate (see point 1). - For real paranoia, might escape uppercase characters in case-sensitive attribute types too. I won't bother unless someone disagrees, both case-sensitive DNs and the use of back-ldif as a general database are fairly rare. -- Hallvard

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Re: commit: ldap/doc/man/man5 slapd-meta.5
by Pierangelo Masarati 14 Apr '08

14 Apr '08

ando(a)OpenLDAP.org wrote: > Log Message: > make pseudoroot-bind-defer TRUE by default (part of ITS#5440 fix) This is a change in a side-feature of back-meta, something that should not hurt in most cases, but definitely a change in the default behavior, established since back-meta was released. What's the best way to notify it? p. Ing. Pierangelo Masarati OpenLDAP Core Team SysNet s.r.l. via Dossi, 8 - 27100 Pavia - ITALIA http://www.sys-net.it --------------------------------------- Office: +39 02 23998309 Mobile: +39 333 4963172 Email: pierangelo.masarati(a)sys-net.it ---------------------------------------

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slapo-dynlist improvement
by manu＠netbsd.org 12 Apr '08

12 Apr '08

Hello I'd like to use the slapo-dynlist overlay, to generate an automatically updated list of attributes onan object. My problem is that I want the attribute name to be different than the original: I have dn: cn=list,o=home objectClass: groupOfURLs cn: list memberURL: ldap:///o=home?foo?sub?(objectClass=fooClass) In slapd.conf: overlay dynlist dynlist-attrset groupOfURLs memberURL A search on cn=list,o=home gives me: dn: cn=list,o=home objectClass: groupOfURLs cn: list foo: value1 foo: value2 foo; value3 ... But I would like it to be displayed that way: dn: cn=list,o=home objectClass: groupOfURLs cn: list bar: value1 bar: value2 bar; value3 ... It seems this is not possible with current software (please correct me if I'm wrong). I propose a contribution to slapo-dynlist, to include attribute name remapping capability. In the config file, this qould be configured by extending the member-ad parameter: overlay dynlist dynlist-attrset groupOfURLs memberURL foo:bar Of course, for backward compatibility, dynlist-attrset groupOfURLs memberURL foo would still be equivalent to dynlist-attrset groupOfURLs memberURL foo:dn Opinions? -- Emmanuel Dreyfus http://hcpnet.free.fr/pubz manu(a)netbsd.org

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openldap-devel April 2008