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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by Kurt＠OpenLDAP.org 10 Dec '10

10 Dec '10

On Dec 10, 2010, at 5:16 PM, Michael Str=F6der wrote: > Kurt(a)OpenLDAP.org wrote: >> ( 1.3.6.1.4.1.453.16.2.188 NAME 'authTimestamp' >> DESC 'last successful authentication using any method/mech' >> EQUALITY generalizedTimeMatch >> ORDERING generalizedTimeOrderingMatch >> SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 >> SINGLE-VALUE NO-USER-MODIFICATION USAGE dsaOperation ) >>=20 >> And we use this attribute in our configuration object to = enable/disable =3D >> (default disabled). >>=20 >> ( 1.3.6.1.4.1.453.16.2.189 NAME 'authTimestamps' >> DESC 'enable recording of last successful authentication using =3D= >> any method/mech' >> EQUALITY booleanMatch >> SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 >> SINGLE-VALUE USAGE dsaOperation ) >=20 > Hmm, isn't NAME of the second a little bit confusing since it sounds = like just > the plural of the first? Names should only be for the wire, the wire doesn't get confused. -- Kurt=

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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by michael＠stroeder.com 10 Dec '10

10 Dec '10

Kurt(a)OpenLDAP.org wrote: > ( 1.3.6.1.4.1.453.16.2.188 NAME 'authTimestamp' > DESC 'last successful authentication using any method/mech' > EQUALITY generalizedTimeMatch > ORDERING generalizedTimeOrderingMatch > SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 > SINGLE-VALUE NO-USER-MODIFICATION USAGE dsaOperation ) > > And we use this attribute in our configuration object to enable/disable = > (default disabled). > > ( 1.3.6.1.4.1.453.16.2.189 NAME 'authTimestamps' > DESC 'enable recording of last successful authentication using = > any method/mech' > EQUALITY booleanMatch > SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 > SINGLE-VALUE USAGE dsaOperation ) Hmm, isn't NAME of the second a little bit confusing since it sounds like just the plural of the first? Ciao, Michael.

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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by Kurt＠OpenLDAP.org 10 Dec '10

10 Dec '10

On Dec 10, 2010, at 12:02 PM, Howard Chu wrote: > Good point. In that case it's probably fine as a separate overlay, the = way it is now. Can we use the schema definition that Isode is using? Not only yes, but hell yes. Reuse and convergence is a good thing. ( 1.3.6.1.4.1.453.16.2.188 NAME 'authTimestamp' DESC 'last successful authentication using any method/mech' EQUALITY generalizedTimeMatch ORDERING generalizedTimeOrderingMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 SINGLE-VALUE NO-USER-MODIFICATION USAGE dsaOperation ) And we use this attribute in our configuration object to enable/disable = (default disabled). ( 1.3.6.1.4.1.453.16.2.189 NAME 'authTimestamps' DESC 'enable recording of last successful authentication using = any method/mech' EQUALITY booleanMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 SINGLE-VALUE USAGE dsaOperation )

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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by hyc＠symas.com 10 Dec '10

10 Dec '10

Kurt(a)OpenLDAP.org wrote: > On Dec 10, 2010, at 10:37 AM, jonathan(a)phillipoux.net wrote: > >> On 10/12/10 17:14, Howard Chu wrote: >>> jonathan(a)phillipoux.net wrote: >>>> On 30/07/09 13:50, jonathan(a)phillipoux.net wrote: >>>>> Full_Name: Jonathan Clarke >>>>> Version: RE24 >>>>> OS: >>>>> URL: >>>>> = > ftp://ftp.openldap.org/incoming/jonathan-clarke-lastbind-20090730.tgz >>>>> Submission from: (NULL) (82.67.204.30) >>>>> =20 >>>>> =20 >>>>> Hi, >>>>> =20 >>>>> Please find, at the above URL, an overlay, built for OpenLDAP 2.4, = > that >>>>> intercepts successful binds and records the current timestamp in an >>>>> attribute >>>>> named "bindTimestamp" in the bound-to entry. It's original use-case >>>>> is to detect >>>>> unused accounts. >>>>> =20 >>>>> A configuration parameter (olcLastBindPrecision) allows to set a = > minimum >>>>> precision for the timestamp (ie, don't update the timestamp unless >>>>> it's older >>>>> than<n> seconds). This avoids a performance hit from many >>>>> unnecessary writes in >>>>> case there are many binds per minute/hour/day/week/etc. >>>>> =20 >>>>> Of course, the behaviour this overlay implements is not described = > in >>>>> any RFC, or >>>>> other. However, it closely resembles some of the functionality from >>>>> the password >>>>> policy overlay, and similar functionality already exists in other >>>>> LDAP servers. >>> =20 >>> There is an equivalent attribute defined in the latest ppolicy draft. >>> Perhaps you could use that. > > That attribute is last successful password authentication, not last = > authentication by any means. > > For the latter, I suggest a separate attribute. At Isode, we use an = > authTimestamp dsaOperational attribute for this. > > It's wise to have the updating of this attribute off by default. Good point. In that case it's probably fine as a separate overlay, the way it is now. Can we use the schema definition that Isode is using? -- -- 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#6238) contrib: lastbind overlay to record timestamp of last successful bind
by Kurt＠OpenLDAP.org 10 Dec '10

10 Dec '10

On Dec 10, 2010, at 10:37 AM, jonathan(a)phillipoux.net wrote: > On 10/12/10 17:14, Howard Chu wrote: >> jonathan(a)phillipoux.net wrote: >>> On 30/07/09 13:50, jonathan(a)phillipoux.net wrote: >>>> Full_Name: Jonathan Clarke >>>> Version: RE24 >>>> OS: >>>> URL: >>>> = ftp://ftp.openldap.org/incoming/jonathan-clarke-lastbind-20090730.tgz >>>> Submission from: (NULL) (82.67.204.30) >>>>=20 >>>>=20 >>>> Hi, >>>>=20 >>>> Please find, at the above URL, an overlay, built for OpenLDAP 2.4, = that >>>> intercepts successful binds and records the current timestamp in an >>>> attribute >>>> named "bindTimestamp" in the bound-to entry. It's original use-case >>>> is to detect >>>> unused accounts. >>>>=20 >>>> A configuration parameter (olcLastBindPrecision) allows to set a = minimum >>>> precision for the timestamp (ie, don't update the timestamp unless >>>> it's older >>>> than<n> seconds). This avoids a performance hit from many >>>> unnecessary writes in >>>> case there are many binds per minute/hour/day/week/etc. >>>>=20 >>>> Of course, the behaviour this overlay implements is not described = in >>>> any RFC, or >>>> other. However, it closely resembles some of the functionality from >>>> the password >>>> policy overlay, and similar functionality already exists in other >>>> LDAP servers. >>=20 >> There is an equivalent attribute defined in the latest ppolicy draft. >> Perhaps you could use that. That attribute is last successful password authentication, not last = authentication by any means. For the latter, I suggest a separate attribute. At Isode, we use an = authTimestamp dsaOperational attribute for this. It's wise to have the updating of this attribute off by default. >> Or just submit a patch to incorporate this >> feature into the current ppoloicy overlay. >=20 > Indeed. At the time I wrote this overlay, I think the ppolicy draft = was > not yet finished or at least I wasn't aware of it. My client at the = time > found it useful to just add this simple overlay, without worrying = about > configuring ppolicy. >=20 > Since then, I actually haven't had any time to work on this overlay, = but > today Michael expressed an interest in it, asking for a public IPR > notice, thus the "thread revival". >=20 > I hope to pick it up in the future, and at that point possibly submit = a > patch for ppolicy also, as you suggest. >=20 > Regards, > Jonathan >=20 >=20

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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by jonathan＠phillipoux.net 10 Dec '10

10 Dec '10

On 10/12/10 17:14, Howard Chu wrote: > jonathan(a)phillipoux.net wrote: >> On 30/07/09 13:50, jonathan(a)phillipoux.net wrote: >>> Full_Name: Jonathan Clarke >>> Version: RE24 >>> OS: >>> URL: >>> ftp://ftp.openldap.org/incoming/jonathan-clarke-lastbind-20090730.tgz >>> Submission from: (NULL) (82.67.204.30) >>> >>> >>> Hi, >>> >>> Please find, at the above URL, an overlay, built for OpenLDAP 2.4, that >>> intercepts successful binds and records the current timestamp in an >>> attribute >>> named "bindTimestamp" in the bound-to entry. It's original use-case >>> is to detect >>> unused accounts. >>> >>> A configuration parameter (olcLastBindPrecision) allows to set a minimum >>> precision for the timestamp (ie, don't update the timestamp unless >>> it's older >>> than<n> seconds). This avoids a performance hit from many >>> unnecessary writes in >>> case there are many binds per minute/hour/day/week/etc. >>> >>> Of course, the behaviour this overlay implements is not described in >>> any RFC, or >>> other. However, it closely resembles some of the functionality from >>> the password >>> policy overlay, and similar functionality already exists in other >>> LDAP servers. > > There is an equivalent attribute defined in the latest ppolicy draft. > Perhaps you could use that. Or just submit a patch to incorporate this > feature into the current ppoloicy overlay. Indeed. At the time I wrote this overlay, I think the ppolicy draft was not yet finished or at least I wasn't aware of it. My client at the time found it useful to just add this simple overlay, without worrying about configuring ppolicy. Since then, I actually haven't had any time to work on this overlay, but today Michael expressed an interest in it, asking for a public IPR notice, thus the "thread revival". I hope to pick it up in the future, and at that point possibly submit a patch for ppolicy also, as you suggest. Regards, Jonathan

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Oddities with searching for a specific attribute value
by Sebastian Urbanneck 10 Dec '10

10 Dec '10

Sorry for this weird topic, but I didn'T know how to name this one. These are the facts: we're using the phamm.schema from the PHAMM Project for saving virtual domain entries in our Ldap database. Searching for them is mostly no pronblem, but one specific circumstance is bothering me to death: when I try to search for a specific value of the attribute "vd", the corresponding entry is not always found. Any other attribute does the trick, but vd does'nt. For example: the search for (using the root_dn) ldapsearch -x -W -D "cn=admin,dc=uebergebuehr,dc=de" -b "ou=domains,dc=uebergebuehr,dc=de" "(vd=*) -s"one" produces following output: ---------output------------- # extended LDIF # # LDAPv3 # base <vd=lak-hessen.de,ou=domains,dc=uebergebuehr,dc=de> with scope baseObject # filter: (vd=*) # requesting: ALL # # lak-hessen.de, domains, uebergebuehr.de dn: vd=lak-hessen.de,ou=domains,dc=uebergebuehr,dc=de vd: lak-hessen.de lastChange: 1291723263 maxMail: 100 maxAlias: 100 maxQuota: 100 accountActive: TRUE editAV: TRUE delete: FALSE postfixTransport: dovecot objectClass: top objectClass: VirtualDomain description: lak-hessen.de # search result search: 2 result: 0 Success # numResponses: 2 # numEntries: 1 ------------------------------------- This is true for everytime I put a Wildcard (*) into the search pattern, and with scope "sub" there's also no matter in which part of the tree above this entry I am. But when I'm searching specificly for the value (lak-hessen.de) nothin is found, no matter in which entry I am and which scope use. Strangely this pattern _is_ found when you go into the entry of the domain itself (vd=lak-hessen.de,ou=domains,...) and search with scobe 'base'. Any idea what I'm doing wrong? Or is this a bug? I think ACLs are ruled out because of using the root_dn. I didn't want to file a Bug before being reallly sure that this is one regards Sebastian

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Re: (ITS#6742) Patch - Mozilla NSS - centralize and improve certificate verification
by rmeggins＠redhat.com 10 Dec '10

10 Dec '10

New patch to supplement the other patch for this ITS: ftp://ftp.openldap.org/incoming/openldap-2.4.23-allow-self-issued-certs-to-… Should only allow a cert to pass verification with BasicConstraints CA == FALSE if the cert is self issued. This is what openssl does. Forgot to include the IP statement for the previous patch. The statement applies to that patch and this one. These patch files are derived from OpenLDAP Software. All of the modifications to OpenLDAP Software represented in the following patch(es) were developed by Red Hat. Red Hat has not assigned rights and/or interest in this work to any party. I, Rich Megginson am authorized by Red Hat, my employer, to release this work under the following terms. Red Hat hereby place the following modifications to OpenLDAP Software (and only these modifications) into the public domain. Hence, these modifications may be freely used and/or redistributed for any purpose with or without attribution and/or other notice.

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Re: (ITS#6238) contrib: lastbind overlay to record timestamp of last successful bind
by hyc＠symas.com 10 Dec '10

10 Dec '10

jonathan(a)phillipoux.net wrote: > On 30/07/09 13:50, jonathan(a)phillipoux.net wrote: >> Full_Name: Jonathan Clarke >> Version: RE24 >> OS: >> URL: ftp://ftp.openldap.org/incoming/jonathan-clarke-lastbind-20090730.tgz >> Submission from: (NULL) (82.67.204.30) >> >> >> Hi, >> >> Please find, at the above URL, an overlay, built for OpenLDAP 2.4, that >> intercepts successful binds and records the current timestamp in an attribute >> named "bindTimestamp" in the bound-to entry. It's original use-case is to detect >> unused accounts. >> >> A configuration parameter (olcLastBindPrecision) allows to set a minimum >> precision for the timestamp (ie, don't update the timestamp unless it's older >> than<n> seconds). This avoids a performance hit from many unnecessary writes in >> case there are many binds per minute/hour/day/week/etc. >> >> Of course, the behaviour this overlay implements is not described in any RFC, or >> other. However, it closely resembles some of the functionality from the password >> policy overlay, and similar functionality already exists in other LDAP servers. There is an equivalent attribute defined in the latest ppolicy draft. Perhaps you could use that. Or just submit a patch to incorporate this feature into the current ppoloicy overlay. >> >> I post it here in the hope that it may serve others, and in case the OpenLDAP >> wishes to include it in one form or another. I would most appreciate any >> comments or feedback. -- -- 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#6716) syncprov sessionlog 'sl_mincsn' not assigned a value.
by hyc＠symas.com 10 Dec '10

10 Dec '10

cmikk(a)qwest.net wrote: > This fix would have the effect of treating the sessionlog > as empty until it overflows, and will cause unnecessary > refresh traffic. > > Other than the patch I suggested (using the list head's > CSN value directly), I can think of two other approaches: > > 1) When adding an entry to the sessionlog, check > if sl_mincsn is empty. If it is, update sl_mincsn > to the new entry's CSN. > > 2) When initializing the sessionlog, set sl_mincsn > to the maximum contextCSN value of the underlying > database. > > #2 seems ideal from an efficiency standpoint, although it > differs from the algorithm the current code appears to be > intended to implement. #2 sounds fine, but it sounds like Rein has already got a good solution underway. -- -- 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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