- openldap-bugs - openldap.org

[Issue 7462] olcPcache cannot be modified
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7462 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.6.0 |--- Status|RESOLVED |VERIFIED --- Comment #5 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Actually code prevents deletes so slapmodify while slapd is offline is the solution. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7462] olcPcache cannot be modified
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7462 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|OL_2_6_REQ | Status|UNCONFIRMED |RESOLVED Resolution|--- |WONTFIX --- Comment #4 from Quanah Gibson-Mount <quanah(a)openldap.org> --- ldapdelete + ldapadd would be the correct solution to replace the pcache. Alternatively, slapmodify while slapd is offline. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7422] olcExtraAttrs doesn't work with ACIs
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7422 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|olcExtraAttrs doesn't work |olcExtraAttrs doesn't work | |with ACIs -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7422] olcExtraAttrs doesn't work
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7422 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|--- |Low --- Comment #2 from Quanah Gibson-Mount <quanah(a)openldap.org> --- patches welcome -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7420] Possible to bypass overlay unique and constraint
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7420 --- Comment #6 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Implicitly add RDN attribute to ops where applicable. What happens with modrdn? -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7420] Possible to bypass overlay unique and constraint
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7420 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Way to bypass overlay |Possible to bypass overlay |unique and constraint |unique and constraint -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7202] slapo-memeberof crashing OL 2.4.30
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7202 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7202] slapo-memeberof crashing OL 2.4.30
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7202 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |WONTFIX Status|UNCONFIRMED |RESOLVED --- Comment #5 from Quanah Gibson-Mount <quanah(a)openldap.org> --- memberof deprecated -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7109] Slapd Freezing
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7109 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED Target Milestone|2.6.0 |--- -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7109] Slapd Freezing
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7109 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |SUSPENDED --- Comment #7 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Multiple fixes made to slapo-rwm in the 2.5 release. If this still occurs with that release please follow up. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7047] slapd crash on bad indexed translucent
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7047 --- Comment #6 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Test to see if reproducible with back-mdb -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7046] OpenLDAP logs nothing at info priority, excessive at debug priority
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=7046 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.6.0 |2.7.0 Severity|normal |enhancement -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6942] updateref config is inadequate
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6942 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6912] support for case sensitive SASL usernames
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6912 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|authz-regexp DN |support for case sensitive | |SASL usernames -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6776] Control handling in PassMod exop + ppolicy
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6776 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.6.0 |2.7.0 --- Comment #3 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Part of exop refactoring work. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6765] Server-side support of "Verify Credentials" extop
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6765 --- Comment #6 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Functionality in client/tools is present but the function in libldap is a stub and needs completion before this can work. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6765] Server-side support of "Verify Credentials" extop
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6765 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.6.0 |2.7.0 --- Comment #5 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Need confirmation as to whether or not the SASL bits were ever implemented or still needs doing. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6765] Server-side support of "Verify Credentials" extop
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6765 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement Status|IN_PROGRESS |CONFIRMED --- Comment #4 from Quanah Gibson-Mount <quanah(a)openldap.org> --- Appears client side SASL support is still lacking and needs development -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6761] contrib usn overlay broken
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=6761 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|slapd |contrib -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9572] New: OpenLDAP no longer builds against libressl after ITS#9521
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9572 Issue ID: 9572 Summary: OpenLDAP no longer builds against libressl after ITS#9521 Product: OpenLDAP Version: 2.4.59 Hardware: All OS: FreeBSD Status: UNCONFIRMED Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: delphij(a)freebsd.org Target Milestone: --- In #9521, OpenLDAP would be using OpenSSL 1.1 TLSv1.3 API (SSL_CTX_set_ciphersuites and SSL_set_ciphersuites) and is no longer compatible with LibreSSL. Reported by a FreeBSD user at https://bugs.freebsd.org/256433 . -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9574] New: mdb_drop missing from .gitignore
by openldap-its＠openldap.org 07 Jun '21

07 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9574 Issue ID: 9574 Summary: mdb_drop missing from .gitignore Product: LMDB Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: max(a)davitt.me Target Milestone: --- The .gitignore file contains entries for mdb_copy, mdb_stat, mdb_dump, and mdb_load, but not mdb_drop. This is mildly annoying while building. Normally I would've just created a merge request directly on GitLab to fix something like this but I'm having issues with it (see #9573). Sorry for the inconvenience! -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9027] LMDB: API to retrieve map address
by openldap-its＠openldap.org 05 Jun '21

05 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9027 --- Comment #4 from Howard Chu <hyc(a)openldap.org> --- (In reply to doug from comment #3) > Hi! I would like to voice my support for this feature, and explain how this > API would help me. Sorry but I don't find any of these arguments to be compelling. > > First of all, a bit of background: I'm maintaining C++ bindings for LMDB > (https://github.com/hoytech/lmdbxx), and have been a contributor to the perl > bindings and others. I have published two interface layers that use LMDB, > https://github.com/hoytech/quadrable and > https://github.com/hoytech/rasgueadb and as my colleagues would attest, am a > relentless LMDB advocate. > > Application 1: Testing zero-copy > > That previous link, RasgueaDB, is an indexing and query layer for LMDB. It > uses flatbuffers for its data format, which allows zero-copy access to > fields. Since there are several layers involved, I wanted to make sure that > no copying was happening, and also to add a test to the test-suite to make > sure this remains the case. > > To do this, I have a library called assert_zerocopy: > https://github.com/hoytech/hoytech-cpp/blob/master/hoytech/assert_zerocopy.h > (and also a perl equivalent here: https://metacpan.org/pod/Test::ZeroCopy ) > > However, in order to verify the returned value is actually a zero-copy > reference, I need the pointer to the memory map (and the map's size). I have > added a terrible hack to the lmdbxx bindings to retrieve this: > > https://github.com/hoytech/lmdbxx/blob/ > 08eddafcc4613c7fc8ebd88f5db87c7d7bfb9f52/lmdb%2B%2B.h#L1115-L1118 > > But this is obviously not a good approach (as mentioned by Nic in this > thread) and it would be much better if there was an API to retrieve this > value (like there is for me_mapsize). No. The only thing you need to do, to assert that no copying has occurred, is to also retrieve the record thru the standard LMDB API, and compare value pointers. If they are the same, then no copying has occurred. At any rate, this sounds like only a debugging feature, with no actual production use. > Application 2: Virtual memory controls > > In general I agree that mlock()ing large files like databases is > counter-productive. However, there are other controls that can be applied to > the virtual memory of an application. > > For example, rsync attempts to preserve the filesystem cache state so that > rsync invocations have as small an impact as possible on the cache (since > it's a shared resource): https://insights.oetiker.ch/linux/fadvise/ > > Another example, before restarting a server, Instagram uses my utility > vmtouch to snapshot the virtual memory state (basically the set of "hot" > files). After rebooting, the state is restored before the server is added > back to the active pool of servers. > > I have generalised this with my application/library vmprobe: > https://vmprobe.com/filesystem-cache > > If I had access to me_map within my application, I would be able to > integrate libvmprobe more easily and portably. For instance, this would > allow me to take a snapshot of which pages are resident in memory, perform > some large read query that touches many pages, then restore the original VM > page residency set after the query completes. > > Another variant of this: If you have multiple customers who use the same > server (at different times) then you can restore a customer's previous VM > state when they login. If you know approximately the pages that will be > accessed in advance, sequentially pre-paging them in can have significant > performance benefits. I did some experiments with Postgres pre-paging you > can see here: https://vmprobe.com/database-speedup If you want control over the address that is mmap'd just use MDB_FIXEDMAP and pass in your desired address. The actions you're talking about here are highly system-dependent, you may as well just read /proc/<PID>/maps yourself and work from there. Again, this is a pretty niche case. > > Conclusion > > Although certainly a user could abuse me_map if it were exposed, one of the > reasons why I enjoy LMDB so much is that it generally assumes its users know > what they are doing and doesn't compromise on flexibility or performance for > the sake of users who don't. For example, although it is not recommended to > use MDB_WRITEMAP in most cases, it nevertheless exists. > > As explained above, I have several use-cases for me_map that I feel are > legitimate. I am already accessing it in a hacky way but naturally would > prefer a more portable and future-proof API. > > If this API is added, the documentation should of course make clear that > accessing or modifying (if MDB_WRITEMAP) data through me_map is not > supported in any way, and regular use-cases have no need for this value and > should stick to the supported APIs. > > Thank you! -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9027] LMDB: API to retrieve map address
by openldap-its＠openldap.org 05 Jun '21

05 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9027 --- Comment #3 from doug(a)hcsw.org --- Hi! I would like to voice my support for this feature, and explain how this API would help me. First of all, a bit of background: I'm maintaining C++ bindings for LMDB (https://github.com/hoytech/lmdbxx), and have been a contributor to the perl bindings and others. I have published two interface layers that use LMDB, https://github.com/hoytech/quadrable and https://github.com/hoytech/rasgueadb and as my colleagues would attest, am a relentless LMDB advocate. Application 1: Testing zero-copy That previous link, RasgueaDB, is an indexing and query layer for LMDB. It uses flatbuffers for its data format, which allows zero-copy access to fields. Since there are several layers involved, I wanted to make sure that no copying was happening, and also to add a test to the test-suite to make sure this remains the case. To do this, I have a library called assert_zerocopy: https://github.com/hoytech/hoytech-cpp/blob/master/hoytech/assert_zerocopy.h (and also a perl equivalent here: https://metacpan.org/pod/Test::ZeroCopy ) However, in order to verify the returned value is actually a zero-copy reference, I need the pointer to the memory map (and the map's size). I have added a terrible hack to the lmdbxx bindings to retrieve this: https://github.com/hoytech/lmdbxx/blob/08eddafcc4613c7fc8ebd88f5db87c7d7bfb… But this is obviously not a good approach (as mentioned by Nic in this thread) and it would be much better if there was an API to retrieve this value (like there is for me_mapsize). Application 2: Virtual memory controls In general I agree that mlock()ing large files like databases is counter-productive. However, there are other controls that can be applied to the virtual memory of an application. For example, rsync attempts to preserve the filesystem cache state so that rsync invocations have as small an impact as possible on the cache (since it's a shared resource): https://insights.oetiker.ch/linux/fadvise/ Another example, before restarting a server, Instagram uses my utility vmtouch to snapshot the virtual memory state (basically the set of "hot" files). After rebooting, the state is restored before the server is added back to the active pool of servers. I have generalised this with my application/library vmprobe: https://vmprobe.com/filesystem-cache If I had access to me_map within my application, I would be able to integrate libvmprobe more easily and portably. For instance, this would allow me to take a snapshot of which pages are resident in memory, perform some large read query that touches many pages, then restore the original VM page residency set after the query completes. Another variant of this: If you have multiple customers who use the same server (at different times) then you can restore a customer's previous VM state when they login. If you know approximately the pages that will be accessed in advance, sequentially pre-paging them in can have significant performance benefits. I did some experiments with Postgres pre-paging you can see here: https://vmprobe.com/database-speedup Conclusion Although certainly a user could abuse me_map if it were exposed, one of the reasons why I enjoy LMDB so much is that it generally assumes its users know what they are doing and doesn't compromise on flexibility or performance for the sake of users who don't. For example, although it is not recommended to use MDB_WRITEMAP in most cases, it nevertheless exists. As explained above, I have several use-cases for me_map that I feel are legitimate. I am already accessing it in a hacky way but naturally would prefer a more portable and future-proof API. If this API is added, the documentation should of course make clear that accessing or modifying (if MDB_WRITEMAP) data through me_map is not supported in any way, and regular use-cases have no need for this value and should stick to the supported APIs. Thank you! -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9570] New: Roadmap needs updating now that OpenLDAP 2.5 is released
by openldap-its＠openldap.org 04 Jun '21

04 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9570 Issue ID: 9570 Summary: Roadmap needs updating now that OpenLDAP 2.5 is released Product: website Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: website Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- Need to update the roadmap. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9557] New: syncrepl refreshonly sometimes finishes too early
by openldap-its＠openldap.org 03 Jun '21

03 Jun '21

https://bugs.openldap.org/show_bug.cgi?id=9557 Issue ID: 9557 Summary: syncrepl refreshonly sometimes finishes too early Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: replication Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: ondra(a)mistotebe.net Target Milestone: --- In a delta-MMR test environment where conflicts are intentionally introduced, the fallback sessions sometimes cut off, not sending all entries they ought to. Instead LDAP_SUCCESS is sent with the snapshot cookie at some point. That cookie represents the correct contextCSN at the time of the search, so the missing changes are skipped over forever. As of now, the cause of the cutoff is under investigation. Currently, this was only run with 2.5 + persistent sessionlog enabled but there are indications this might not be limited to 2.5, tests with other versions/configs are pending. -- You are receiving this mail because: You are on the CC list for the issue.

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