May 2018 - openldap-bugs

Re: (ITS#8846) Patch to introduce new LDAP option to ignore hostname checking while verifying certificates in TLS mode

by sudhir.singam＠gmail.com

--000000000000ef2539056c5164f5 Content-Type: text/plain; charset="UTF-8" Hi, Reference to SOAP, where we have the option of SOAP_SSL_SKIP_HOST_CHECK https://www.genivia.com/doc/soapdoc2.html --000000000000ef2539056c5164f5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">Hi,<br><br>Reference to SOAP, where we have the option of= =C2=A0=C2=A0<span style=3D"color:rgb(0,0,0);font-family:inconsolatamedium,m= onospace,serif;font-size:14px;font-style:normal;font-variant-ligatures:norm= al;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-alig= n:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:= 0px;background-color:rgb(255,255,238);text-decoration-style:initial;text-de= coration-color:initial;float:none;display:inline">SOAP_SSL_SKIP_HOST_CHECK<= /span> <br><br><a href=3D"https://www.genivia.com/doc/soapdoc2.html">https://www.g= enivia.com/doc/soapdoc2.html</a><div><br></div><div><br><div><br></div></di= v></div> --000000000000ef2539056c5164f5--

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Re: (ITS#8846) Patch to introduce new LDAP option to ignore hostname checking while verifying certificates in TLS mode

by sudhir.singam＠gmail.com

Hi, Thanks for the reply. For DNS use case, " Operator may make certificates only once in a while (as they cost), and at that point it is not certain that all IP addresses are known. They likely might now only know the current literal address, but the numeric address can change in the lifetime of the certificate Changing /etc/hosts is not possible, as this configuration is not supported for operators. " Still we feel configuration is a good thing, i.e., if one explicitly wants to allow a connection despite of warnings (i.e., has analysed the warning to be a false positive), that should still be acceptable, and not unilaterally bad. Also, one needs to be able to distinguish between =E2=80=9Cnormal=E2=80=9D network (open for everyone), and an operat= or-internal network: requirements for these two are different, and if one library is to serve both, it should be able to handle (=3Dbeing configurable) both use cases. System configuration setup is anyway also done by a human, so if someone wants explicitly disable some checks for automated clients, it is logically similar to a human pressing some =E2=80=9Cacknowledge=E2=80=9D= button. And i don't think the browsers are going to remove it, at most they may move this option to settings. I think nobody wants a monolithic browser that cannot be tailored for user needs, which anyway cannot be anticipated by the browser maker. Whether it is interactive or configuration based does not matter as long as the configuration is there somehow. And the same logic applies also for LDAP ;) But then openLDAP or openSSL is already providing options to ignore some of the certificate errors, for example, i can set SSL verify call back function via LDAP options to ignore certificate CRL errors and continue the connection. So i still wonder why it is not possible in this case and feel it has to be user configurable. Regards, Sudhir, NOKIA

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(ITS#8846) Patch to introduce new LDAP option to ignore hostname checking while verifying certificates in TLS mode

by sudhir.singam＠gmail.com

--000000000000d6fc43056c4ba325 Content-Type: text/plain; charset="UTF-8" Hi, --000000000000d6fc43056c4ba325 Content-Type: text/html; charset="UTF-8" <div dir="ltr">Hi,</div> --000000000000d6fc43056c4ba325--

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Re: (ITS#8854) Memory leak in modify transaction case

by quanah＠symas.com

--On Monday, May 14, 2018 2:56 PM +0000 verchaswa(a)mavenir.com wrote: > Full_Name: Verchaswa Sharma > Version: 2.4.11 2.4.11 is nearly 10 years old. Please use a current release of OpenLDAP. This ITS will be closed. If you find the issues exists in the current 2.4.46 release, then follow up and the ITS will be reopened. 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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(ITS#8855) Memory leak in modify transaction case

by verchaswa.sharma＠mavenir.com

Full_Name: Verchaswa Sharma Version: 2.4.11 OS: Windriver x86_64 GNU/Linux URL: Submission from: (NULL) (62.168.56.1) Hi, While testing modify for transactions, we observed memory leak in libldap. We ran memtrace found following memory leak. + 27605 1526029632 0x168b0008 4060 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f1cb61648e1] @2 malloc [0x7f1cb616748a] @3 ber_memalloc_x [0x5adf24] @4 ber_realloc [0x5accf4] @5 ber_write [0x5acd82] @6 ber_put_tag [0x5aba2a] @7 ber_put_int_or_enum [0x5abbbf] @8 ber_printf [0x5ac89d] @9 ldap_modify_ext [0x6c46e4] --------------- + 4167 1526297517 0x2b7a9048 136 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 tc_calloc [0x7f11bb68ebf9] @3 ber_memcalloc_x [0x5adf94] @4 ldap_send_server_request [0x6cbfa5] @5 ldap_send_initial_request [0x6cc23d] @6 ldap_modify_ext [0x6c47de] ---------------- + 4169 1526297517 0x2c4672e8 15 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 malloc [0x7f11bb68e48a] @3 ber_memalloc_x [0x5adf24] @4 ber_strdup_x [0x5ae5c2] @5 ldap_control_create [0x6c3d18] ---------------------- + 4171 1526297517 0x2aa8c828 80 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 tc_calloc [0x7f11bb68ebf9] @3 ber_memcalloc_x [0x5adf94] @4 ber_alloc_t [0x5acff1] @5 ldap_alloc_ber_with_options [0x6cb7cf] @6 ldap_modify_ext [0x6c4687] ---------------------------

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(ITS#8854) Memory leak in modify transaction case

by verchaswa＠mavenir.com

Full_Name: Verchaswa Sharma Version: 2.4.11 OS: Windriver x86_64 GNU/Linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (62.168.56.1) Hi, While testing modify for transactions, we observed memory leak in libldap. We ran memtrace found following memory leak. + 27605 1526029632 0x168b0008 4060 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f1cb61648e1] @2 malloc [0x7f1cb616748a] @3 ber_memalloc_x [0x5adf24] @4 ber_realloc [0x5accf4] @5 ber_write [0x5acd82] @6 ber_put_tag [0x5aba2a] @7 ber_put_int_or_enum [0x5abbbf] @8 ber_printf [0x5ac89d] @9 ldap_modify_ext [0x6c46e4] --------------- + 4167 1526297517 0x2b7a9048 136 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 tc_calloc [0x7f11bb68ebf9] @3 ber_memcalloc_x [0x5adf94] @4 ldap_send_server_request [0x6cbfa5] @5 ldap_send_initial_request [0x6cc23d] @6 ldap_modify_ext [0x6c47de] ---------------- + 4169 1526297517 0x2c4672e8 15 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 malloc [0x7f11bb68e48a] @3 ber_memalloc_x [0x5adf24] @4 ber_strdup_x [0x5ae5c2] @5 ldap_control_create [0x6c3d18] ---------------------- + 4171 1526297517 0x2aa8c828 80 @0 memtrace_newhook(void const*, unsigned long) [0x5b1b3d] @1 MallocHook::InvokeNewHookSlow(void const*, unsigned long) [0x7f11bb68b8e1] @2 tc_calloc [0x7f11bb68ebf9] @3 ber_memcalloc_x [0x5adf94] @4 ber_alloc_t [0x5acff1] @5 ldap_alloc_ber_with_options [0x6cb7cf] @6 ldap_modify_ext [0x6c4687] ---------------------------

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Re: (ITS#8846) Patch to introduce new LDAP option to ignore hostname checking while verifying certificates in TLS mode

by michael＠stroeder.com

> c) DNS server is not set up I.e., the certificate could be issued > with a name like “netact.operator”, but we’d be using 10.2.3.7, and > DNS has not been setup in the operator internal network > > But what we feel is that there should be an option to be chosen by > user to either ignore or enable hostname checking. If you're using ldaps://10.2.3.7 for connecting without DNS resolving you could add a subjectAltName extension to your server cert containing this particular IP address. That's basically just another GeneralName type. You could also tweak your local /etc/hosts (preferrably with decent config mgt.) to correctly map FQDN "netact.operator" to the IP address. > Already we know > that HTTP clients, for example, browsers provide such option to user > and it's up to the user that whether to continue communication to the > server or not, if hostname mismatch occurs. Note that web browsers are driven interactively by users whereas LDAP clients are most times systems without direct user interaction. In the interactive case you simply delegate the informed trust decision to the user which is a bad thing to do anyway. Therefore web browsers will also limit this functionality in the not so far future. Ciao, Michael. P.S.: Due to MIME processing deficiencies of the ITS your messages are displayed base64-encoded and therefore hard to read: https://www.openldap.org/its/index.cgi?findid=8846#followup4

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RE: (ITS#8846) Patch to introduce new LDAP option to ignore hostname checking while verifying certificates in TLS mode

by sudhir.singam＠nokia.com

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Re: (ITS#8853) back-mdb broken on GNU/kFreeBSD

by ryan＠nardis.ca

Never mind. This works for me on a local VM. The build server has a bunch of outdated packages so I'm going to blame that build environment unless proven otherwise. Closing the ITS; sorry for the noise.

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(ITS#8853) back-mdb broken on GNU/kFreeBSD

by ryan＠openldap.org

Full_Name: Ryan Tandy Version: 2.4.46 OS: Debian URL: Submission from: (NULL) (70.66.128.207) Submitted by: ryan On Debian GNU/kFreeBSD (Debian with GNU userland and FreeBSD kernel), liblmdb and back-mdb compile but slapd apparently fails to start. Build log: https://buildd.debian.org/status/fetch.php?pkg=openldap&arch=kfreebsd-amd... >>>>> Executing all LDAP tests for mdb >>>>> Starting test000-rootdse for mdb... running defines.sh Starting slapd on TCP/IP port 9011... Using ldapsearch to retrieve the root DSE... Waiting 5 seconds for slapd to start... Waiting 5 seconds for slapd to start... Waiting 5 seconds for slapd to start... Waiting 5 seconds for slapd to start... Waiting 5 seconds for slapd to start... Waiting 5 seconds for slapd to start... ../../../tests/scripts/test000-rootdse: 66: kill: No such process ldap_sasl_bind(SIMPLE): Can't contact LDAP server (-1) >>>>> Test failed >>>>> test000-rootdse failed for mdb This is a low priority issue. Just filing the ITS for tracking. More details to come once I find time to install a VM and compile/run it myself. Probably similar to ITS#8554. Debian bug reference: https://bugs.debian.org/898070

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openldap-bugs May 2018