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Re: (ITS#5821) Small mistake in man page
by ando＠sys-net.it 22 Nov '08

22 Nov '08

andrew.findlay(a)skills-1st.co.uk wrote: > On Thu, Nov 20, 2008 at 02:43:22PM +0000, kkalev(a)gmail.com wrote: > >> In the manpage for slapd.conf (slapd.conf.5) in the limits directive description >> the value for the size.unchecked pattern should be disabled and not disable >> according to limits.c > > Well spotted! > > I am curious about why this feature was added. The man page says: > > If it is set to disable, the search is not even performed; this > can be used to disallow searches for a specific set of users. > > Disallowing searches seems more like an ACL job than a limit job > to me, so I did not mention this when writing up the Limits features > for the Admin Guide. > > Does anyone actually use unchecked=disabled and if so, why? ACLs act too late, after the search has been performed; this acts at the candidate selection level, and with similar granularity in terms of identity the request is performed as. Now, search access to the searchBase is checked, so a search can be stopped even earlier. This was not requested when this limits feature was introduced. 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 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------

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Re: (ITS#5821) Small mistake in man page
by andrew.findlay＠skills-1st.co.uk 21 Nov '08

21 Nov '08

On Thu, Nov 20, 2008 at 02:43:22PM +0000, kkalev(a)gmail.com wrote: > In the manpage for slapd.conf (slapd.conf.5) in the limits directive description > the value for the size.unchecked pattern should be disabled and not disable > according to limits.c Well spotted! I am curious about why this feature was added. The man page says: If it is set to disable, the search is not even performed; this can be used to disallow searches for a specific set of users. Disallowing searches seems more like an ACL job than a limit job to me, so I did not mention this when writing up the Limits features for the Admin Guide. Does anyone actually use unchecked=disabled and if so, why? Andrew -- ----------------------------------------------------------------------- | From Andrew Findlay, Skills 1st Ltd | | Consultant in large-scale systems, networks, and directory services | | http://www.skills-1st.co.uk/ +44 1628 782565 | -----------------------------------------------------------------------

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Re: (ITS#5823) clients/tools don't honor ldap.conf defaults
by hyc＠symas.com 21 Nov '08

21 Nov '08

h.b.furuseth(a)usit.uio.no wrote: > Pierangelo Masarati writes: >> -ZZ should be deprecated, and -Z should simply and strictly require >> StartTLS. > > Good point. Except then people who are used to new clients will > make insecure connections when using old clients. Maybe -Z should > be an error instead... > > What I'd really really like to do is throw away all the options, > rename the programs, and start over. This time with the same option > names in ldap tools, slap tools, and slapd itself. Goes with the > someday-in-the-future library rewrite, I suppose. OpenLDAP 3.0... The question is, when do we stop the 2.x stream and begin 3.0? -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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RE: ITS#5822 slapd goes into sleeping mode
by h.b.furuseth＠usit.uio.no 21 Nov '08

21 Nov '08

egarciab(a)alcatel-lucent.com writes: > Did you see anytime a similar problem of slapd sleeping mode? Slapd does not have a "sleeping mode", but there have been bugs with the locking code. E.g. a function takes a lock but in the case of some rare error return it forgets to release it. Then the next attempt to use that resource (e.g. a locked entry, or a locked database) will hang. I see you use "database oci". This was never part of OpenLDAP as far as I know. <google oci site:openldap.org> shows the code was submitted. I don't know the slapd SQL code and haven't checked if the code was rejected because of some problem, or merged into back-sql, or something else. If you browse these messages, maybe that'll turn up your problem. -- Hallvard

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Re: (ITS#5823) clients/tools don't honor ldap.conf defaults
by ando＠sys-net.it 21 Nov '08

21 Nov '08

h.b.furuseth(a)usit.uio.no wrote: > Pierangelo Masarati writes: >> -ZZ should be deprecated, and -Z should simply and strictly require >> StartTLS. > > Good point. Except then people who are used to new clients will > make insecure connections when using old clients. Maybe -Z should > be an error instead... Mine was a generic criticism, not a suggestion for this specific case. > What I'd really really like to do is throw away all the options, > rename the programs, and start over. This time with the same option > names in ldap tools, slap tools, and slapd itself. Goes with the > someday-in-the-future library rewrite, I suppose. :) 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 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------

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Re: (ITS#5823) clients/tools don't honor ldap.conf defaults
by h.b.furuseth＠usit.uio.no 21 Nov '08

21 Nov '08

Pierangelo Masarati writes: > -ZZ should be deprecated, and -Z should simply and strictly require > StartTLS. Good point. Except then people who are used to new clients will make insecure connections when using old clients. Maybe -Z should be an error instead... What I'd really really like to do is throw away all the options, rename the programs, and start over. This time with the same option names in ldap tools, slap tools, and slapd itself. Goes with the someday-in-the-future library rewrite, I suppose. -- Hallvard

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Re: ITS#5822 slapd goes into sleeping mode
by ando＠sys-net.it 21 Nov '08

21 Nov '08

GARCIA BARRERA, Eduardo (Eduardo) wrote: > Ok, I can fully understand your point. > > Anyway, from your expert point of view on openldap, and understanding > that this is an obsolete version of slapd, I would like only two things > that you probably know without consuming much time from your side. It's not a matter of consuming my time. We're all condemned to consume all of our time sooner or later. It's a matter of consuming it on something we consider worth it, and enjoy it in the meanwhile. One of the pleasures of working at free software is that nobody can really tell you what to work at :) > Did you see anytime a similar problem of slapd sleeping mode? Slapd has no "sleeping mode" (would it make any sense?) Do the logs show anything relevant *before* slapd becomes unresponsive? You mentioned that attaching the process with gdb is not an option, since it's operating in a very critical environment. However, I believe you wouldn't make things any worse when it's no longer responding anyway. > Did you think if there is any solaris patches that could fix similar > problems? Not a solaris expert, sorry. 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 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------

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RE: ITS#5822 slapd goes into sleeping mode
by egarciab＠alcatel-lucent.com 21 Nov '08

21 Nov '08

Ok, I can fully understand your point. Anyway, from your expert point of view on openldap, and understanding that this is an obsolete version of slapd, I would like only two things that you probably know without consuming much time from your side. Did you see anytime a similar problem of slapd sleeping mode? Did you think if there is any solaris patches that could fix similar problems? Thanks a lot for your time and effort Pierlangelo, Eduardo -----Original Message----- From: Pierangelo Masarati [mailto:ando@sys-net.it] Sent: viernes, 21 de noviembre de 2008 12:11 To: GARCIA BARRERA, Eduardo (Eduardo) Cc: openldap-its(a)openldap.org Subject: Re: ITS#5822 slapd goes into sleeping mode GARCIA BARRERA, Eduardo (Eduardo) wrote: > Pierlangelo, > > First of all, thanks for your quick answer. I just read carefully the > instructions on "how to report a bug", and I will try my best to > gather it. > > Anyway, I got a question for you. Since the slapd process does not > crash but keeps in a sleeping mode, and due to this machine is working > in a very critical enviroment for our customer, is it needed to run > gdb tool? > > Besides, the problem happens in a random way, so we could run those > commands when the slapd is sleeping and does not answer. When this > happens, the ldapsearch command is not answered. > > Platform: SunOS MVICBDS01D05 5.9 Generic_118558-35 sun4u sparc > SUNW,Sun-Fire-15000 > > In this machine is also running oracle version 9.2.0.8 . > > > The slapd.conf file is attached to this email. One issue is that you should clarify what version you're using. If you're really using a OpenLDAP 2.1 release, then it's probably not worth the effort of tracing the issue: that release became historic in early 2004. No one will ever spend time finding a bug in it, or even backporting fixes to known bugs (unless very well rewarded, I guess). 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 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------

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Re: ITS#5822 slapd goes into sleeping mode
by ando＠sys-net.it 21 Nov '08

21 Nov '08

GARCIA BARRERA, Eduardo (Eduardo) wrote: > Pierlangelo, > > First of all, thanks for your quick answer. I just read carefully the > instructions on "how to report a bug", and I will try my best to gather > it. > > Anyway, I got a question for you. Since the slapd process does not > crash but keeps in a sleeping mode, and due to this machine is working > in a very critical enviroment for our customer, is it needed to run gdb > tool? > > Besides, the problem happens in a random way, so we could run those > commands when the slapd is sleeping and does not answer. When this > happens, the ldapsearch command is not answered. > > Platform: SunOS MVICBDS01D05 5.9 Generic_118558-35 sun4u sparc > SUNW,Sun-Fire-15000 > > In this machine is also running oracle version 9.2.0.8 . > > > The slapd.conf file is attached to this email. One issue is that you should clarify what version you're using. If you're really using a OpenLDAP 2.1 release, then it's probably not worth the effort of tracing the issue: that release became historic in early 2004. No one will ever spend time finding a bug in it, or even backporting fixes to known bugs (unless very well rewarded, I guess). 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 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------

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RE: ITS#5822 slapd goes into sleeping mode
by egarciab＠alcatel-lucent.com 21 Nov '08

21 Nov '08

This is a multi-part message in MIME format. ------_=_NextPart_001_01C94BC8.DD31A533 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Pierlangelo, First of all, thanks for your quick answer. I just read carefully the instructions on "how to report a bug", and I will try my best to gather it. Anyway, I got a question for you. Since the slapd process does not crash but keeps in a sleeping mode, and due to this machine is working in a very critical enviroment for our customer, is it needed to run gdb tool?=20 Besides, the problem happens in a random way, so we could run those commands when the slapd is sleeping and does not answer. When this happens, the ldapsearch command is not answered. Platform: SunOS MVICBDS01D05 5.9 Generic_118558-35 sun4u sparc SUNW,Sun-Fire-15000 In this machine is also running oracle version 9.2.0.8 . The slapd.conf file is attached to this email. Thanks a lot in advance Regards Eduardo -----Original Message----- From: Pierangelo Masarati [mailto:ando@sys-net.it]=20 Sent: jueves, 20 de noviembre de 2008 16:57 To: GARCIA BARRERA, Eduardo (Eduardo) Cc: openldap-its(a)openldap.org Subject: Re: ITS#5822 slapd goes into sleeping mode There exists no OpenLDAP 2.1 b102. There exists a 2.1 branch, which was obsoleted few years ago. Even if there existed one, you don't provide enough info that could help debugging your issue. Please see <http://www.openldap.org/faq/data/cache/56.html> for details about how to report an issue. p. Ing. 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