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20965 discussions

Re: (ITS#8914) OpenLDAP and OpenSSL v1.1.1
by quanah＠symas.com 07 Nov '18

07 Nov '18

--On Friday, September 21, 2018 9:59 PM +0000 quanah(a)symas.com wrote: >>> OpenLDAP will not configure for building against OpenSSL v1.1.1 due to >>> SSLv3 being disabled. Hi Neal, OpenSSL v1.1.1 does not in fact disable SSLv3. I would surmise from your experience that you are using Fedora, which has its own custom build of OpenSSL v.1.1.1 where the developers have disabled SSLv3. You will need to file a bug with them, since this is not an OpenLDAP issue but rather an issue with how Fedora is changing OpenSSL. Regards, Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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Re: (ITS#8927) slapo-ppolicy is destructive to delta-sync replication
by quanah＠symas.com 07 Nov '18

07 Nov '18

--On Tuesday, October 16, 2018 6:59 PM +0000 quanah(a)symas.com wrote: > --On Tuesday, October 16, 2018 1:30 PM +0200 Ond=C5=99ej Kuzn=C3=ADk=20 > <ondra(a)mistotebe.net> wrote: > >>> - test we're a replicated op, not just on shadow >> >> The patch is available here: >> https://github.com/mistotebe/openldap/tree/its8927 > > I still get err 16 with this patch and the servers fall back to REFRESH. Note: Finally fixed with 04a52cef40560b9edec8037b23e444c460fe0d40 in master --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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Re: (ITS#8931) deref'ing non-existent attributes should not result in protocolError
by michael＠stroeder.com 04 Nov '18

04 Nov '18

On 11/4/18 12:16 AM, hyc(a)symas.com wrote: > I don't see this in the deref code. It only returns protocolError if there is > any type of error when parsing the control itself. It was my fault. Sorry for the noise. Please close this ITS. Ciao, Michael.

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Re: (ITS#8931) deref'ing non-existent attributes should not result in protocolError
by hyc＠symas.com 03 Nov '18

03 Nov '18

michael(a)stroeder.com wrote: > Full_Name: > Version: RE24 > OS: > URL: > Submission from: (NULL) (46.183.103.8) > > > In aehostd I try to limit the number of required search requests. Therefore I'm > using the deref control to read group and sudoers entries referenced in service > groups. > > If there are no such references (yet) slapd currently returns protocolError. I don't see this in the deref code. It only returns protocolError if there is any type of error when parsing the control itself. It knows nothing about any referenced entries when it's parsing the control. There are no other instances of protocolError in the overlay. -- -- 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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(ITS#8931) deref'ing non-existent attributes should not result in protocolError
by michael＠stroeder.com 03 Nov '18

03 Nov '18

Full_Name: Version: RE24 OS: URL: Submission from: (NULL) (46.183.103.8) In aehostd I try to limit the number of required search requests. Therefore I'm using the deref control to read group and sudoers entries referenced in service groups. If there are no such references (yet) slapd currently returns protocolError. IMO this is wrong. It should simply omit the deref response control and the client has to deal with that. (No, to save round-trips, log-space and data traffic I don't want to read the service groups first to determine whether which deref attributes are present.)

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Re: (ITS#8752) MMR delta-sync deadlock using slapd.conf
by hyc＠symas.com 01 Nov '18

01 Nov '18

ondra(a)mistotebe.net wrote: > On Thu, Oct 05, 2017 at 03:32:38AM +0000, quanah(a)openldap.org wrote: >> Full_Name: Quanah Gibson-Mount >> Version: 2.4.45 >> OS: Linux >> URL: ftp://ftp.openldap.org/incoming/ >> Submission from: (NULL) (47.208.148.239) >> >> >> There is a reproducible lockup with delta-sync based multimaster replication. >> The more masters exist the easier it is to trigger, with 100% reproducibility at >> 4 masters. >> >> Generally: >> >> Load a database onto a server with no syncprov/accesslog configuration. >> >> Stop slapd >> >> Reconfigure slapd.conf to include syncprov/accesslog overlays, and cn=accesslog >> DB for changes, and replication agreements with other servers >> >> Configure other servers for syncprov/accesslog, but no database >> >> start slapd on all servers >> >> execute a MOD operation sequentially across the servers (1, 2, 3, 4) >> >> slapd will deadlock on server 3 or 4 100% of the time > > This is still an issue at least in master - running the its8752 > regression test often results in the following deadlock: This says that thread 4 is still holding the LMDB writer mutex while running inside the accesslog overlay. Which it should not be, since back-mdb acquires and commits its LMDB transactions before letting any other module have control. > > (gdb) deadlock > Cycles: > Thread #5 (LWP 8024) in mdb_txn_renew0() at ./../../../libraries/liblmdb/mdb.c:2749 > Thread #4 (LWP 8023) in accesslog_op_mod() at accesslog.c:1988 > deadlock from root > Thread #3 (LWP 8022) in mdb_txn_renew0() at ./../../../libraries/liblmdb/mdb.c:2749 > > (gdb) thread apply all bt > > Thread 9 (Thread 0x7f9199ffd700 (LWP 15035)): > #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 > > Thread 8 (Thread 0x7f91a09fa700 (LWP 15034)): > #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 > > Thread 7 (Thread 0x7f91b12b7700 (LWP 8026)): > #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 > > Thread 6 (Thread 0x7f91b1ab8700 (LWP 8025)): > #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 > > Thread 5 (Thread 0x7f91b22b9700 (LWP 8024)): > #0 0x00007f91b5dda352 in __pthread_mutex_lock_full [waiting on thread 4 (LWP 8023)] (mutex=0x7f91b8114040) at ../nptl/pthread_mutex_lock.c:313 > #1 0x000000000051a881 in mdb_txn_renew0 (txn=0x1027ac0) at ./../../../libraries/liblmdb/mdb.c:2749 > #2 0x000000000051afab in mdb_txn_begin (env=0xf24e10, parent=0x0, flags=0, ret=0x7f91b22b7190) at ./../../../libraries/liblmdb/mdb.c:2907 > #3 0x00000000005792f4 in mdb_opinfo_get (op=Modify request = {...}, mdb=0x7f91b543b010, rdonly=0, moip=0x7f91b22b7178) at id2entry.c:740 > #4 0x000000000052f989 in mdb_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:584 > #5 0x00000000004f6d65 in overlay_op_walk (op=Modify request = {...}, rs=0x7f91b22b89b8, which=op_modify, oi=0xe29b10, on=0x0) at backover.c:706 > #6 0x00000000004f9d61 in over_op_func (op=Modify request = {...}, rs=0x7f91b22b89b8, which=op_modify) at backover.c:766 > #7 0x00000000004f8fb2 in over_op_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at backover.c:808 > #8 0x0000000000472e4e in fe_op_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:307 > #9 0x0000000000471bf5 in do_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:177 > #10 0x000000000044e1ce in connection_operation (ctx=0x7f91b22b8b78, arg_v=0x7f919c100fa0) at connection.c:1169 > #11 0x000000000044c3a1 in connection_read_thread (ctx=0x7f91b22b8b78, argv=0xf) at connection.c:1326 > > Thread 4 (Thread 0x7f91b2aba700 (LWP 8023)): > #2 0x00007f91b815f275 in ldap_pvt_thread_mutex_lock [waiting on thread 5 (LWP 8024)] (mutex=0xe7c328) at thr_posix.c:307 > #3 0x00007f91b54fffbc in accesslog_op_mod (op=Modify request = {...}, rs=0x7f91b2ab8bd8) at accesslog.c:1988 > #4 0x00000000004f6cc1 in overlay_op_walk (op=Modify request = {...}, rs=0x7f91b2ab8bd8, which=op_modify, oi=0xe29b10, on=0xe7c0c0) at backover.c:691 > #5 0x00000000004f9d61 in over_op_func (op=Modify request = {...}, rs=0x7f91b2ab8bd8, which=op_modify) at backover.c:766 > #6 0x00000000004f8fb2 in over_op_modify (op=Modify request = {...}, rs=0x7f91b2ab8bd8) at backover.c:808 > #7 0x00000000004ec259 in syncrepl_updateCookie (si=0xe7aa90, op=Modify request = {...}, syncCookie=0x7f91b2ab91f0, save=1) at syncrepl.c:4051 > #8 0x00000000004e978e in do_syncrep2 (op=Modify request = {...}, si=0xe7aa90) at syncrepl.c:1206 > #9 0x00000000004e2556 in do_syncrepl (ctx=0x7f91b2ab9b78, arg=0xe7b030) at syncrepl.c:1604 > > Thread 3 (Thread 0x7f91b32bb700 (LWP 8022)): > #0 0x00007f91b5dda352 in __pthread_mutex_lock_full [waiting on thread 4 (LWP 8023)] (mutex=0x7f91b8114040) at ../nptl/pthread_mutex_lock.c:313 > #1 0x000000000051a881 in mdb_txn_renew0 (txn=0x1027ac0) at ./../../../libraries/liblmdb/mdb.c:2749 > #2 0x000000000051afab in mdb_txn_begin (env=0xf24e10, parent=0x0, flags=0, ret=0x7f91a4001170) at ./../../../libraries/liblmdb/mdb.c:2907 > #3 0x00000000005792f4 in mdb_opinfo_get (op=Search request = {...}, mdb=0x7f91b543b010, rdonly=0, moip=0xe7b348) at id2entry.c:740 > #4 0x000000000057989d in mdb_txn (op=Search request = {...}, txnop=1, ptr=0xe7b348) at id2entry.c:812 > #5 0x00000000004ee059 in syncrepl_entry (si=0xe7b0f0, op=Search request = {...}, entry="dc=example,dc=com", modlist=0x7f91b32ba1a8, syncstate=1, syncUUID=0x7f91b32ba140, syncCSN=0x0) at syncrepl.c:3087 > #6 0x00000000004e8cac in do_syncrep2 (op=Search request = {...}, si=0xe7b0f0) at syncrepl.c:1056 > #7 0x00000000004e2556 in do_syncrepl (ctx=0x7f91b32bab78, arg=0xe7b6d0) at syncrepl.c:1604 > > Thread 2 (Thread 0x7f91b3abc700 (LWP 8021)): > #0 0x00007f91b5d0b207 in epoll_wait (epfd=6, events=0xdebc50, maxevents=1024, timeout=7000) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 > #1 0x000000000044591a in slapd_daemon_task (ptr=0x1232700) at daemon.c:2745 > > Thread 1 (Thread 0x7f91b5761780 (LWP 8006)): > #1 0x00007f91b815f11d in ldap_pvt_thread_join (thread=140263761364736, thread_return=0x0) at thr_posix.c:208 > #2 0x0000000000443a1b in slapd_daemon () at daemon.c:3157 > #3 0x000000000041ec5b in main (argc=8, argv=0x7ffcee967dc8) at main.c:1018 > -- -- 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#8752) MMR delta-sync deadlock using slapd.conf
by ondra＠mistotebe.net 01 Nov '18

01 Nov '18

On Thu, Oct 05, 2017 at 03:32:38AM +0000, quanah(a)openldap.org wrote: > Full_Name: Quanah Gibson-Mount > Version: 2.4.45 > OS: Linux > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (47.208.148.239) > > > There is a reproducible lockup with delta-sync based multimaster replication. > The more masters exist the easier it is to trigger, with 100% reproducibility at > 4 masters. > > Generally: > > Load a database onto a server with no syncprov/accesslog configuration. > > Stop slapd > > Reconfigure slapd.conf to include syncprov/accesslog overlays, and cn=accesslog > DB for changes, and replication agreements with other servers > > Configure other servers for syncprov/accesslog, but no database > > start slapd on all servers > > execute a MOD operation sequentially across the servers (1, 2, 3, 4) > > slapd will deadlock on server 3 or 4 100% of the time This is still an issue at least in master - running the its8752 regression test often results in the following deadlock: (gdb) deadlock Cycles: Thread #5 (LWP 8024) in mdb_txn_renew0() at ./../../../libraries/liblmdb/mdb.c:2749 Thread #4 (LWP 8023) in accesslog_op_mod() at accesslog.c:1988 deadlock from root Thread #3 (LWP 8022) in mdb_txn_renew0() at ./../../../libraries/liblmdb/mdb.c:2749 (gdb) thread apply all bt Thread 9 (Thread 0x7f9199ffd700 (LWP 15035)): #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 Thread 8 (Thread 0x7f91a09fa700 (LWP 15034)): #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 Thread 7 (Thread 0x7f91b12b7700 (LWP 8026)): #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 Thread 6 (Thread 0x7f91b1ab8700 (LWP 8025)): #3 0x00007f91b815f20d in ldap_pvt_thread_cond_wait (cond=0xe11cb8, mutex=0xe11c90) at thr_posix.c:288 Thread 5 (Thread 0x7f91b22b9700 (LWP 8024)): #0 0x00007f91b5dda352 in __pthread_mutex_lock_full [waiting on thread 4 (LWP 8023)] (mutex=0x7f91b8114040) at ../nptl/pthread_mutex_lock.c:313 #1 0x000000000051a881 in mdb_txn_renew0 (txn=0x1027ac0) at ./../../../libraries/liblmdb/mdb.c:2749 #2 0x000000000051afab in mdb_txn_begin (env=0xf24e10, parent=0x0, flags=0, ret=0x7f91b22b7190) at ./../../../libraries/liblmdb/mdb.c:2907 #3 0x00000000005792f4 in mdb_opinfo_get (op=Modify request = {...}, mdb=0x7f91b543b010, rdonly=0, moip=0x7f91b22b7178) at id2entry.c:740 #4 0x000000000052f989 in mdb_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:584 #5 0x00000000004f6d65 in overlay_op_walk (op=Modify request = {...}, rs=0x7f91b22b89b8, which=op_modify, oi=0xe29b10, on=0x0) at backover.c:706 #6 0x00000000004f9d61 in over_op_func (op=Modify request = {...}, rs=0x7f91b22b89b8, which=op_modify) at backover.c:766 #7 0x00000000004f8fb2 in over_op_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at backover.c:808 #8 0x0000000000472e4e in fe_op_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:307 #9 0x0000000000471bf5 in do_modify (op=Modify request = {...}, rs=0x7f91b22b89b8) at modify.c:177 #10 0x000000000044e1ce in connection_operation (ctx=0x7f91b22b8b78, arg_v=0x7f919c100fa0) at connection.c:1169 #11 0x000000000044c3a1 in connection_read_thread (ctx=0x7f91b22b8b78, argv=0xf) at connection.c:1326 Thread 4 (Thread 0x7f91b2aba700 (LWP 8023)): #2 0x00007f91b815f275 in ldap_pvt_thread_mutex_lock [waiting on thread 5 (LWP 8024)] (mutex=0xe7c328) at thr_posix.c:307 #3 0x00007f91b54fffbc in accesslog_op_mod (op=Modify request = {...}, rs=0x7f91b2ab8bd8) at accesslog.c:1988 #4 0x00000000004f6cc1 in overlay_op_walk (op=Modify request = {...}, rs=0x7f91b2ab8bd8, which=op_modify, oi=0xe29b10, on=0xe7c0c0) at backover.c:691 #5 0x00000000004f9d61 in over_op_func (op=Modify request = {...}, rs=0x7f91b2ab8bd8, which=op_modify) at backover.c:766 #6 0x00000000004f8fb2 in over_op_modify (op=Modify request = {...}, rs=0x7f91b2ab8bd8) at backover.c:808 #7 0x00000000004ec259 in syncrepl_updateCookie (si=0xe7aa90, op=Modify request = {...}, syncCookie=0x7f91b2ab91f0, save=1) at syncrepl.c:4051 #8 0x00000000004e978e in do_syncrep2 (op=Modify request = {...}, si=0xe7aa90) at syncrepl.c:1206 #9 0x00000000004e2556 in do_syncrepl (ctx=0x7f91b2ab9b78, arg=0xe7b030) at syncrepl.c:1604 Thread 3 (Thread 0x7f91b32bb700 (LWP 8022)): #0 0x00007f91b5dda352 in __pthread_mutex_lock_full [waiting on thread 4 (LWP 8023)] (mutex=0x7f91b8114040) at ../nptl/pthread_mutex_lock.c:313 #1 0x000000000051a881 in mdb_txn_renew0 (txn=0x1027ac0) at ./../../../libraries/liblmdb/mdb.c:2749 #2 0x000000000051afab in mdb_txn_begin (env=0xf24e10, parent=0x0, flags=0, ret=0x7f91a4001170) at ./../../../libraries/liblmdb/mdb.c:2907 #3 0x00000000005792f4 in mdb_opinfo_get (op=Search request = {...}, mdb=0x7f91b543b010, rdonly=0, moip=0xe7b348) at id2entry.c:740 #4 0x000000000057989d in mdb_txn (op=Search request = {...}, txnop=1, ptr=0xe7b348) at id2entry.c:812 #5 0x00000000004ee059 in syncrepl_entry (si=0xe7b0f0, op=Search request = {...}, entry="dc=example,dc=com", modlist=0x7f91b32ba1a8, syncstate=1, syncUUID=0x7f91b32ba140, syncCSN=0x0) at syncrepl.c:3087 #6 0x00000000004e8cac in do_syncrep2 (op=Search request = {...}, si=0xe7b0f0) at syncrepl.c:1056 #7 0x00000000004e2556 in do_syncrepl (ctx=0x7f91b32bab78, arg=0xe7b6d0) at syncrepl.c:1604 Thread 2 (Thread 0x7f91b3abc700 (LWP 8021)): #0 0x00007f91b5d0b207 in epoll_wait (epfd=6, events=0xdebc50, maxevents=1024, timeout=7000) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x000000000044591a in slapd_daemon_task (ptr=0x1232700) at daemon.c:2745 Thread 1 (Thread 0x7f91b5761780 (LWP 8006)): #1 0x00007f91b815f11d in ldap_pvt_thread_join (thread=140263761364736, thread_return=0x0) at thr_posix.c:208 #2 0x0000000000443a1b in slapd_daemon () at daemon.c:3157 #3 0x000000000041ec5b in main (argc=8, argv=0x7ffcee967dc8) at main.c:1018 -- Ondřej Kuzník Senior Software Engineer Symas Corporation http://www.symas.com Packaged, certified, and supported LDAP solutions powered by OpenLDAP

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Re: (ITS#8930) Setting source interface of LDAP session the ldap client uses to connect to server
by ryan＠nardis.ca 29 Oct '18

29 Oct '18

Hello Adrian, I think someone is already working on this feature, please see: ITS#8847 https://openldap.org/its?findid=8847 ITS#8654 https://openldap.org/its?findid=8654 http://www.openldap.org/lists/openldap-devel/201810/msg00008.html

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(ITS#8930) Setting source interface of LDAP session the ldap client uses to connect to server
by ac1471＠att.com 29 Oct '18

29 Oct '18

Full_Name: adrian cepleanu Version: 0.5.3 OS: Ubuntu 16.04LTS URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (144.160.130.91) In a system with multiple interfaces software initiating network connections may choose the source interface (or IP address) that the request is initiated from. I am looking for such a setting in the ldap-auth-client for Linux but cannot find it. Perhaps it doesn't exist. If the latter please advise if there is a way to submit a feature request. thanks

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Re: (ITS#8866) RFE: slapo-unique to return filter used in diagnostic message
by michael＠stroeder.com 26 Oct '18

26 Oct '18

On 10/26/18 4:21 PM, Ondřej Kuzník wrote: > Yes, but `key` had already been freed a few lines earlier and using > o_tmpalloc reliably exposes the issue where ch_malloc just masks it. Ouch! > This is now fixed in master. Thanks. Everything now works like a charm also with RE24. Ciao, Michael.

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