https://bugs.openldap.org/show_bug.cgi?id=9795
Issue ID: 9795
Summary: Remove memberof overlay
Product: OpenLDAP
Version: 2.6.1
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: overlays
Assignee: bugs(a)openldap.org
Reporter: quanah(a)openldap.org
Target Milestone: ---
The memberof overlay was deprecated with the release of OpenLDAP 2.5. It
should be removed prior for the next minor release (i.e., 2.7)
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https://bugs.openldap.org/show_bug.cgi?id=7249
--- Comment #18 from OndÅ™ej KuznÃk <ondra(a)mistotebe.net> ---
Looking at the Arch patch, might be related to ITS#10135?
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https://bugs.openldap.org/show_bug.cgi?id=6509
OndÅ™ej KuznÃk <ondra(a)mistotebe.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugs.openldap.org/s
| |how_bug.cgi?id=10161
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https://bugs.openldap.org/show_bug.cgi?id=10014
Issue ID: 10014
Summary: TLS handle using MbedTLS
Product: OpenLDAP
Version: 2.6.4
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: contrib
Assignee: bugs(a)openldap.org
Reporter: johan.pascal(a)linphone.org
Target Milestone: ---
Created attachment 950
--> https://bugs.openldap.org/attachment.cgi?id=950&action=edit
Add a TLS handle using MbedTLS
Hi,
I wrote a TLS handle based on MbedTLS.
I attach the patch here but I can also put in on gitlab and make a merge
request there.
The patch contains the minimal modifications to build openldap using MbedTLS as
backend for TLS. You must run aclocal, autoheader amd autoconf to regenerate
the archived aclocal.m4, configure and include/portable.hin files.
This contribution was originally written for the linphone project, and
copyright belongs to Belledonne Communications SARL.
The attached file is derived from OpenLDAP Software. All of the modifications
to OpenLDAP Software represented in the following patch were developed by
Belledonne Communications SARL. Belledonne Communications SARL has not assigned
rights and/or interest in this work to any party. I, Johan Pascal am authorized
by Belledonne Communications, my employer, to release this work under the
following terms.
The attached modifications to OpenLDAP Software are subject to the following
notice:
Copyright 2010-2023 Belledonne Communications SARL
Redistribution and use in source and binary forms, with or without
modification, are permitted only as authorized by the OpenLDAP Public License.
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https://bugs.openldap.org/show_bug.cgi?id=10142
Issue ID: 10142
Summary: lloadd's cn=config startup is broken
Product: OpenLDAP
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: lloadd
Assignee: ondra(a)mistotebe.net
Reporter: ondra(a)mistotebe.net
Target Milestone: ---
During startup, tiers aren't being linked into the `tiers` linked list.
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https://bugs.openldap.org/show_bug.cgi?id=10143
Issue ID: 10143
Summary: only use logfile in server mode
Product: OpenLDAP
Version: 2.6.6
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: slapd
Assignee: bugs(a)openldap.org
Reporter: hyc(a)openldap.org
Target Milestone: ---
Only slapd should be using the logfile, not the slap* tools.
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https://bugs.openldap.org/show_bug.cgi?id=10080
Issue ID: 10080
Summary: refreshAndPersist synchronization problem with glue +
rwm
Product: OpenLDAP
Version: 2.6.2
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: overlays
Assignee: bugs(a)openldap.org
Reporter: homma(a)allworks.co.jp
Target Milestone: ---
Created attachment 972
--> https://bugs.openldap.org/attachment.cgi?id=972&action=edit
Stack trace of segfault
I have an openldap 2.6.2 server "ldap1" with the following DIT:
dc=example,dc=com (back-mdb)
ou=users
ou=local
cn=admin
cn=sync
...
ou=remote (back-ldap -> ldaps://dc1.example.com)
...
Local user entries are created under subtree
"ou=local,ou=users,dc=example,dc=com", and the subtree
"ou=remote,ou=users,dc=example,dc=com" is a proxy to an Active Directory server
"dc1.example.com" (subtree "ou=users,dc=ad,dc=example,dc=com").
The concrete configuration is as follows:
----------------
dn: olcDatabase={2}ldap,cn=config
objectClass: olcDatabaseConfig
objectClass: olcLDAPConfig
olcDatabase: {2}ldap
olcSuffix: ou=remote,ou=users,dc=example,dc=com
olcSubordinate: TRUE
olcRootDN: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
olcDbURI: ldaps://dc1.example.com
olcDbIDAssertBind: bindmethod=simple
binddn="cn=aduser,ou=users,dc=ad,dc=example,dc=com"
credentials=secret
tls_reqcert=demand
mode=none
olcDbIDAssertAuthzFrom:
{0}dn.exact:gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
olcDbIDAssertAuthzFrom:
{1}dn.exact:cn=admin,ou=local,ou=users,dc=example,dc=com
dn: olcOverlay={0}rwm,olcDatabase={2}ldap,cn=config
objectClass: olcOverlayConfig
objectClass: olcRwmConfig
olcOverlay: {0}rwm
olcRwmRewrite: {0}rwm-suffixmassage "ou=users,dc=ad,dc=example,dc=com"
olcRwmMap: {0}objectclass inetOrgPerson organizationalPerson
olcRwmMap: {1}objectclass posixAccount user
olcRwmMap: {2}attribute uid sAMAccountName
olcRwmMap: {3}attribute homeDirectory unixHomeDirectory
olcRwmMap: {4}attribute ou *
olcRwmMap: {5}attribute cn *
olcRwmMap: {6}attribute sn *
olcRwmMap: {7}attribute givenName *
olcRwmMap: {8}attribute mail *
olcRwmMap: {9}attribute uidNumber *
olcRwmMap: {10}attribute gidNumber *
olcRwmMap: {11}attribute *
dn: olcDatabase={3}mdb,cn=config
objectClass: olcDatabaseConfig
objectClass: olcMdbConfig
olcDatabase: {3}mdb
olcDbDirectory: /var/lib/ldap
olcSuffix: dc=example,dc=com
olcRootDN: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
olcAccess: {0}to *
by dn.exact="cn=admin,ou=local,ou=users,dc=example,dc=com" write
by dn.exact="cn=sync,ou=local,ou=users,dc=example,dc=com" write
by * break
olcAccess: {1}to attrs=userPassword
by anonymous auth
by self write
by * none
olcAccess: {2}to *
by * read
olcDbIndex: objectClass eq,pres
olcDbIndex: ou,cn,mail,surname,givenname eq,pres,sub
----------------
So far, so good. A subtree search on "ou=users,dc=example,dc=com" returns both
local and remote users.
But when I create the second server "ldap2" with similar configuration and
configure refreshAndPersist replication, I run into a problem.
(1) When I configure on "ldap1" server,
----------------
dn: olcOverlay={0}syncprov,olcDatabase={3}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcSyncProvConfig
olcOverlay: {0}syncprov
----------------
and on "ldap2" server,
----------------
dn: olcDatabase={3}mdb,cn=config
changeType: modify
replace: olcSyncrepl
olcSyncrepl: {0}rid=301
provider="ldap://ldap1/"
bindmethod=simple
binddn="cn=sync,ou=local,ou=users,dc=example,dc=com"
credentials=secret
searchbase="dc=example,dc=com"
type=refreshAndPersist
retry="5 12 60 +" timeout=1
----------------
the initial refresh stage fails.
(a) Whith the above configuration, the refresh failes with "(48) Inappropriate
authentication", because the bind DN
"cn=sync,ou=local,ou=users,dc=example,dc=com" does not have access to the
subordinate database.
(b) When I add "cn=sync,ou=local,ou=users,dc=example,dc=com" to the ID
assertion list on "ldap1" server,
----------------
dn: olcDatabase={2}ldap,cn=config
changeType: modify
add: olcDbIDAssertAuthzFrom
olcDbIDAssertAuthzFrom: {2}dn.exact:cn=sync,ou=local,ou=users,dc=example,dc=com
----------------
the refresh fails with "(12) Critical extension is unavailable", because Active
Directory does not support Sync Request Control.
(c) Even if the remote server supports Sync Request Control, the refresh fails
with the message "server sent multiple refreshDone messages? Ending session".
The refreshDone messages are sent twice, one for the sperior databese and the
other for the subordinate database.
(d) If I delete olcSubordinate attribute and restart slapd on "ldap1" server,
----------------
dn: olcDatabase={2}ldap,cn=config
changeType: modify
delete: olcSubordinate
----------------
then the refresh stage completes successfully.
Once the persistent session is established, I can add olcSubordinate attribute
again.
----------------
dn: olcDatabase={2}ldap,cn=config
changeType: modify
add: olcSubordinate
olcSubordinate: TRUE
----------------
When I modify entries in the subordinate database on "ldap1" server, no change
notification is sent to "ldap2" server.
This is the desired behavior, but if I restart slapd on "ldap1" server, the
refresh starts failing again.
(2) When I configure the glue overlay explicitly before the syncprov overlay,
as described in "man slapd-config",
----------------
dn: olcOverlay={0}glue,olcDatabase={3}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcConfig
olcOverlay: {0}glue
dn: olcOverlay={1}syncprov,olcDatabase={3}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcSyncProvConfig
olcOverlay: {1}syncprov
----------------
the refresh stage completes successfully without attempting to search the
subordinate database.
This is fine because I do not need to synchronize the subordinate database
between "ldap1" and "ldap2" servers.
However, when I modify an entry in the subordinate database on "ldap1" server,
slapd crashes by segmentation fault. See the attached file for stack trace.
After some research, I found that the cause of the crash is as follows:
In syncprov_matchops(), it attempts to get the modified entry with DN =
op->o_req_ndn.
But since op->o_req_ndn has been rewritten in the rmw overlay,
glue_back_select() incorrectly selects the mdb backend, which should be the
ldap backend.
At this point, op->o_bd->be_private holds a value of type ldapinfo_t, but
mdb_entry_get() tries to interpret it as type struct mdb_info, causing a
segfault.
In summary, the problem is:
When I configure refreshAndPersist synchronization for a database with a
subordinate ldap backend using DN rewriting,
(1) The subordinate database cannot be excluded from both refresh and
persistent stage of the synchronization:
When the glue overlay is not explicitly configured:
- In the refresh stage, the subordinate database is included in the search.
- In the persist stage, the subordinate database is excluded from the
synchronization.
When the glue overlay is explicitly configured before the syncprov overlay:
- In the refresh stage, the subordinate database is excluded from the
search.
- In the persist stage, the subordinate database is included in the
synchronization.
This seems to be inconsistent.
(2) If the subordinate database is included in the refresh stage, the refresh
fails for one of the following reasons:
- the syncrepl user is not allowed to access the subordinate database
- the remote server does not support Sync Request Control
- multiple refreshDone messages are returned
The refresh stage completes successfully if olcSubordinate attribute is deleted
from the subordinate database.
olcSubordinate attribute can be added again once the persistent session is
established, but the refresh stage starts failing again if slapd is restarted.
(3) If the subordinate database is included in the persist stage, modifying
entries in the subordinate database causes slapd to crash.
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https://bugs.openldap.org/show_bug.cgi?id=10098
Issue ID: 10098
Summary: contrib modules don't build on Windows
Product: OpenLDAP
Version: 2.6.6
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: build
Assignee: bugs(a)openldap.org
Reporter: hyc(a)openldap.org
Target Milestone: ---
Need a couple tweaks to the Makefiles.
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https://bugs.openldap.org/show_bug.cgi?id=10092
Issue ID: 10092
Summary: Local logging doesn't build on Windows
Product: OpenLDAP
Version: 2.6.6
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: slapd
Assignee: bugs(a)openldap.org
Reporter: hyc(a)openldap.org
Target Milestone: ---
slapd/logging.c uses writev() to write a prefix and the log message together in
one call. This feature doesn't exist on Windows. The closest equivalent,
WriteFileGather, only works on page sized and aligned writes. On Windows the
only way to write as desired is to copy the message into a new buffer first.
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https://bugs.openldap.org/show_bug.cgi?id=10130
Issue ID: 10130
Summary: Several callers of getpassphrase() ignore NULL returns
Product: OpenLDAP
Version: 2.6.6
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: slapd
Assignee: bugs(a)openldap.org
Reporter: stacey.marshall(a)gmail.com
Target Milestone: ---
getpassphrase(3c) and lutil_getpass() can return NULL to signify
EOF, and in the case of the former for an interrupt or an error.
Several callers fail to check for NULL before calling other functions
which may then cause other issues such as segmentation fault.
A patch in progress treats NULL as EOF and provides an early exit.
```
$ git status --short -uno
M clients/tools/common.c
M clients/tools/ldappasswd.c
M clients/tools/ldapvc.c
M servers/slapd/slappasswd.c
M tests/progs/slapd-tester.c
```
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