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[Issue 8977] Make IDL sizes configurable in back-mdb
by openldap-its＠openldap.org 28 Mar '23

28 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=8977 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.openldap.org/s | |how_bug.cgi?id=10031 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 10027] New: MDB_TXN_FULL on large write transactions
by openldap-its＠openldap.org 28 Mar '23

28 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10027 Issue ID: 10027 Summary: MDB_TXN_FULL on large write transactions Product: LMDB Version: unspecified Hardware: All OS: Linux Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: renault.cle(a)gmail.com Target Milestone: --- Hello, Our users ([1], [2]) encountered MDB_TXN_FULL errors when our Meilisearch engine processed a large write transaction. We did read the documentation about this error in the codebase of LMDB: Spill pages from the dirty list back to disk. This is intended to prevent running into #MDB_TXN_FULL situations, but note that they may still occur in a few cases: 1) our estimate of the txn size could be too small. Currently this seems unlikely, except with a large number of #MDB_MULTIPLE items. 2) child txns may run out of space if their parents dirtied a lot of pages and never spilled them. TODO: we probably should do a preemptive spill during #mdb_txn_begin() of a child txn, if the parent's dirty_room is below a given threshold. Otherwise, if not using nested txns, it is expected that apps will not run into #MDB_TXN_FULL any more. The pages are flushed to disk the same way as for a txn commit, e.g. their P_DIRTY flag is cleared. If the txn never references them again, they can be left alone. If the txn only reads them, they can be used without any fuss. If the txn writes them again, they can be dirtied immediately without going thru all of the work of #mdb_page_touch(). Such references are handled by #mdb_page_unspill(). However, It looks like we are not in those scenarios, we are not using MDB_DUPFIXED, and we are not using sub-transactions. We don't use the MDB_VL32 flag either, so this is not related to [3]. Thank you for your time, Have a nice day 💡 [1]: https://github.com/meilisearch/meilisearch/issues/3603 [2]: https://github.com/meilisearch/meilisearch/issues/3349 [3]: https://bugs.openldap.org/show_bug.cgi?id=8813 -- You are receiving this mail because: You are on the CC list for the issue.

1 6

[Issue 10029] New: slapd crashes when run with unlimited open files
by openldap-its＠openldap.org 27 Mar '23

27 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10029 Issue ID: 10029 Summary: slapd crashes when run with unlimited open files Product: OpenLDAP Version: 2.6.4 Hardware: All OS: Mac OS Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: gray(a)nxg.name Target Milestone: --- To reproduce: % ulimit -n unlimited % $T/openldap-2.6.4/libexec/slapd -d-1 641ee8bc.32f05820 0x1dc760140 @(#) $OpenLDAP: slapd 2.6.4 (Mar 25 2023 12:25:49) $ openldap 641ee8bc.32f39ff8 0x1dc760140 daemon_init: <null> 641ee8bc.32f40588 0x1dc760140 daemon: SLAP_SOCK_INIT: dtblsize=-1 641ee8bc.32f43080 0x1dc760140 ch_calloc of 1 elems of 18446744073709551615 bytes failed Assertion failed: (0), function ch_calloc, file ch_malloc.c, line 107. zsh: abort $T/openldap-2.6.4/libexec/slapd -d-1 This is because `daemon.c` (line 1867) uses the maximum number of open files to set `dtblsize`, which is subsequently used to size an array: 1867 #ifdef HAVE_SYSCONF 1868 dtblsize = sysconf( _SC_OPEN_MAX ); 1869 #elif defined(HAVE_GETDTABLESIZE) 1870 dtblsize = getdtablesize(); 1871 #else /* ! HAVE_SYSCONF && ! HAVE_GETDTABLESIZE */ 1872 dtblsize = FD_SETSIZE; 1873 #endif /* ! HAVE_SYSCONF && ! HAVE_GETDTABLESIZE */ If the maximum number of FDs is unlimited, then sysconf(_SC_OPEN_MAX) returns -1, and the program crashes when it tries to malloc that much memory. I've marked this as OS=macOS because that's what I'm illustrating this on, but the same thing would happen on any OS where the sysconf call returns a negative number for the 'unlimited' case. -- You are receiving this mail because: You are on the CC list for the issue.

1 5

[Issue 10022] New: OlcAccess (META)
by openldap-its＠openldap.org 27 Mar '23

27 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10022 Issue ID: 10022 Summary: OlcAccess (META) Product: OpenLDAP Version: 2.5.7 Hardware: x86_64 OS: Linux Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: backends Assignee: bugs(a)openldap.org Reporter: bourguijl(a)gmail.com Target Milestone: --- Dears, I've configured a META ldap instance pointing to a LDAP backend. In this backend, there are a few ACLs but which ones don't restrict ldapsearch that I perform from the META frontend. I just have an issue when I set some ACLs on the META frontend and more specially when I insert attrs=xxx in the ACL. ACL = OK {0}to dn.one="ou=staff,o=mobistar.be" by dn="uid=a0621004,ou=ObeExternalITOnGcp,ou=partners,o=mobistar.be" read ACL NOT OK {0}to dn.one="ou=staff,o=mobistar.be" attrs=uid by dn="uid=a0621004,ou=ObeExternalITOnGcp,ou=partners,o=mobistar.be" read Can you explain why when I restrict to an attribute, my ldapsearch didn't provide me any response as expected ? Is it a bug ? Thx in advance, J-L. -- You are receiving this mail because: You are on the CC list for the issue.

1 5

[Issue 10024] New: MDB_PREVSNAPSHOT broken
by openldap-its＠openldap.org 27 Mar '23

27 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10024 Issue ID: 10024 Summary: MDB_PREVSNAPSHOT broken Product: LMDB Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: markus(a)objectbox.io Target Milestone: --- It seems that the patch #9496 had a negative side effect on MDB_PREVSNAPSHOT. In certain cases, when opening the DB using MDB_PREVSNAPSHOT, the previous (2nd latest) commit is not selected. Instead, reads show that the latest commit was selected voiding the effect of MDB_PREVSNAPSHOT. I observed this in our test cases a while back. Today, I was finally able to reproduce it and debug into it. When creating the transaction to read the data, I debugged into mdb_txn_renew0. Here, ti (MDB_txninfo; env->me_txns) was non-NULL. However, ti->mti_txnid was 0 (!) and thus txn->mt_txnid was set to 0. That's the reason for always selecting the first (index 0) meta page inside mdb_txn_renew0: meta = env->me_metas[txn->mt_txnid & 1]; This line occurs twice (once for read txn and once for write txn; it affects both txn types). Thus, the chances of MDB_PREVSNAPSHOT selecting the correct meta page is 50-50. It's only correct if the first meta page (index 0) is the older one. I believe that this is related to #9496 because the patch, that was provided there, removed the initialization of "env->me_txns->mti_txnid" in mdb_env_open2. This would explain why txn->mt_txnid inside mdb_txn_renew0 was set to 0. I can confirm that adding back the following two lines back in fixes MDB_PREVSNAPSHOT: if (env->me_txns) env->me_txns->mti_txnid = meta.mm_txnid; The said patch including the removal of these two lines was applied in the commit(s) "ITS#9496 fix mdb_env_open bug from #8704" (Howard Chu on 09.04.21). I hope this information is useful to find a suitable fix. Please let me know if you have questions. Also, I'd be happy to help confirming a potential fix with our test suite. -- You are receiving this mail because: You are on the CC list for the issue.

1 3

[Issue 8447] LMDB: Overwriting values in MDB_DUPSORT databases broken
by openldap-its＠openldap.org 27 Mar '23

27 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=8447 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |0.9.31 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 9496] New: Some writes missing from database
by openldap-its＠openldap.org 15 Mar '23

15 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=9496 Issue ID: 9496 Summary: Some writes missing from database Product: LMDB Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: igfoo(a)github.com Target Milestone: --- With the attached test program, some of my database writes appear not to actually be written to the database. For example, a run may look like this: $ ./run.sh All done. All finished 1802 test.txt foo_200 is missing bar_200 is missing foo_404 is missing bar_404 is missing foo_407 is missing bar_407 is missing The script that I am using to run the program is below. This is using mdb.master 52bc29ee2efccf09c650598635cd42a50b6ecffe on Linux, with an ext4 filesystem. Is this an LMDB bug, or is there a bug in my code? Thanks Ian #!/bin/sh set -e if ! [ -d lmdb ] then rm -rf lmdb git clone https://github.com/LMDB/lmdb.git INSTALL_DIR="`pwd`/inst" cd lmdb/libraries/liblmdb make install prefix="$INSTALL_DIR" cd ../../.. fi gcc -Wall -Werror -Iinst/include loop.c inst/lib/liblmdb.a -o loop -pthread rm -f test.db test.db-lock ./loop echo "All finished" mdb_dump -np test.db > test.txt wc -l test.txt for i in `seq 100 999` do if ! grep -q "foo_$i" test.txt then echo "foo_$i is missing" fi if ! grep -q "bar_$i" test.txt then echo "bar_$i is missing" fi done -- You are receiving this mail because: You are on the CC list for the issue.

1 16

[Issue 10017] New: ldap.conf setting "BINDDN" has no associated LDAP_OPT_XXX constant for ldap_get_opt ldap_set_opt
by openldap-its＠openldap.org 13 Mar '23

13 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10017 Issue ID: 10017 Summary: ldap.conf setting "BINDDN" has no associated LDAP_OPT_XXX constant for ldap_get_opt ldap_set_opt Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: sean(a)teletech.com.au Target Milestone: --- The Configuration file setting "BINDDN" has no associated LDAP_OPT_XXX constant and is not exposed to the ldap_get_opt / ldap_set_opt API. This is the only option that is not so accessible and this seems like an oversight. Option "PORT" is also not exposed but that is deprecated. You could make the case it shouldn't be. This setting could obviously be of interest to the Application and I see no reason for it to be hidden. Simple applications / tools may not have their own configuration files and instead rely solely of the ldap.conf file to configure openldap. Such an application could not easy supply a DN to the "bind" calls but may still wish to know the value specified in the configuration file. -- You are receiving this mail because: You are on the CC list for the issue.

1 2

[Issue 10019] New: dynlist's +memberOf attribute not searchable/fetchable with anonymous binds
by openldap-its＠openldap.org 13 Mar '23

13 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=10019 Issue ID: 10019 Summary: dynlist's +memberOf attribute not searchable/fetchable with anonymous binds Product: OpenLDAP Version: 2.5.13 Hardware: x86_64 OS: Linux Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: msl(a)touk.pl Target Milestone: --- Hi, This is and issue we discovered (as a side effect of testing) after switching from memberof overlay to dynlist with our confluence directory setup - which previously worked fine, but not anymore. Side effect of testing - as judging from the logs it seems that confluence is doing normal binds (which is even stranger as non-anonymous bind ldapsearch from commandline works correctly). Anyway, consider the following setup: groupOfURLs labeledURI uniqueMember+memberOf@groupOfUniqueNames We only use static groups, so the following group with one of members: DN: cn=TouK,ou=TouK,ou=Group,dc=touk,dc=pl objectClass: groupOfUniqueNames ... uniqueMember: cn=Michał Sołtys,ou=Touki,ou=People,dc=touk,dc=pl Correlates to: DN: cn=Michał Sołtys,ou=Touki,ou=People,dc=touk,dc=pl ... memberOf: cn=touk,ou=touk,ou=group,dc=touk,dc=pl The initial ACLs are set as follows: {0}to * by dn=gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth manage by * break {1}to dn.subtree=ou=People,dc=touk,dc=pl attrs=entry,entryUUID,memberOf,@toukAnonAccess by anonymous =scr by * break {2}to dn.subtree=ou=Group,dc=touk,dc=pl attrs=entry,@groupOfUniqueNames,@groupOfNames by anonymous =scr by * break ... later ACLs handling specific accesses and stuff, terminated with: {14}to * by users =scr Now if we do search doing non-anonymous binds, everything works correctly: ldapsearch -x -H ldaps://ldap.touk.pl -D "cn=Michał Sołtys,ou=Touki,ou=People,dc=touk,dc=pl" -s sub -b 'ou=Touki,ou=People,dc=touk,dc=pl' -o ldif-wrap=no -y ./pass -LLL -v '(uid=ast)' memberOf entryUUID ldap_initialize( ldaps://ldap.touk.pl:636/??base ) filter: (uid=ast) requesting: memberOf entryUUID dn: cn=Adam Stus,ou=Touki,ou=People,dc=touk,dc=pl entryUUID: 6c1adf48-a800-103a-8044-3100241d53c2 memberOf: cn=touk,ou=touk,ou=group,dc=touk,dc=pl But if we do an anonymous search - with ACLs as above explicitly allowing access to all relevant parts as in rule {1}, memberOf is not returned (it can't be used in filtering either): ldapsearch -x -H ldaps://ldap.touk.pl -s sub -b 'ou=Touki,ou=People,dc=touk,dc=pl' -o ldif-wrap=no -LLL -v '(uid=ast)' memberOf entryUUID ldap_initialize( ldaps://ldap.touk.pl:636/??base ) filter: (uid=ast) requesting: memberOf entryUUID dn: cn=Adam Stus,ou=Touki,ou=People,dc=touk,dc=pl entryUUID: 6c1adf48-a800-103a-8044-3100241d53c2 This - unless I missed something - looks like a bug. As mentioned above - our local confluence install is using dedicated user, but for some reason it is also unable filter using memberOf (though surprisingly it does work from command line for non-anonymous bind). Relevant parts of the slapd.log of such query: Mar 6 19:21:24 lipa1 slapd[1206591]: conn=1009 op=0 BIND dn="cn=confluence,ou=Apps,dc=touk,dc=pl" method=128 Mar 6 19:21:24 lipa1 slapd[1206591]: conn=1009 op=0 BIND dn="cn=confluence,ou=Apps,dc=touk,dc=pl" mech=SIMPLE bind_ssf=0 ssf=256 Mar 6 19:21:24 lipa1 slapd[1206591]: conn=1009 op=0 RESULT tag=97 err=0 qtime=0.000016 etime=0.000230 text= ... other operations Mar 6 19:26:58 lipa1 slapd[1206591]: conn=1009 op=28 SRCH base="ou=Touki,ou=People,dc=touk,dc=pl" scope=2 deref=3 filter="(&(toukAccountActive=TRUE)(memberOf=cn=finanse,ou=touk,ou=group,dc=touk,dc=pl))" Mar 6 19:26:58 lipa1 slapd[1206591]: conn=1009 op=28 SRCH attr=1.1 Mar 6 19:26:58 lipa1 slapd[1206591]: conn=1009 op=28 SEARCH RESULT tag=101 err=0 qtime=0.000019 etime=0.000541 nentries=0 text= See (nentries=0) above - but identical search performed from command line, e.g.: ldapsearch -x -H ldaps://ldap.touk.pl -D "cn=confluence,ou=Apps,dc=touk,dc=pl" -y ./b -a always -s sub -b 'ou=Touki,ou=People,dc=touk,dc=pl' -o ldif-wrap=no -LLL -v '(&(toukAccountActive=TRUE)(memberOf=cn=finanse,ou=touk,ou=group,dc=touk,dc=pl))' 1.1 correctly returns 6 people: Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=0 BIND dn="cn=confluence,ou=Apps,dc=touk,dc=pl" method=128 Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=0 BIND dn="cn=confluence,ou=Apps,dc=touk,dc=pl" mech=SIMPLE bind_ssf=0 ssf=256 Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=0 RESULT tag=97 err=0 qtime=0.000025 etime=0.000269 text= Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=1 SRCH base="ou=Touki,ou=People,dc=touk,dc=pl" scope=2 deref=3 filter="(&(toukAccountActive=TRUE)(memberOf=cn=finanse,ou=touk,ou=group,dc=touk,dc=pl))" Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=1 SRCH attr=1.1 Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=2 UNBIND Mar 7 15:21:31 lipa1 slapd[1220021]: conn=26424 op=1 SEARCH RESULT tag=101 err=0 qtime=0.000019 etime=0.002765 nentries=6 text= -- You are receiving this mail because: You are on the CC list for the issue.

1 6

[Issue 4501] jdbcldap: use of enum reserved work (Java 1.5)
by openldap-its＠openldap.org 13 Mar '23

13 Mar '23

https://bugs.openldap.org/show_bug.cgi?id=4501 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|needs_review | -- You are receiving this mail because: You are on the CC list for the issue.

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