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Commit Graph

558 Commits

Author SHA1 Message Date
Stefan Metzmacher
8062d31793 s4:ldap_server: remove unused include of gensec_internal.h
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-23 23:50:34 +00:00
Stefan Metzmacher
6c17e3d280 s4:ldap_server: add support for tls channel bindings
ldap server require strong auth = allow_sasl_over_tls
is now an alias for 'allow_sasl_without_tls_channel_bindings'
and should be avoided and changed to 'yes' or
'allow_sasl_without_tls_channel_bindings'.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15621

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-23 23:50:34 +00:00
Jo Sutton
7ba6181159 s4:ldap_server: Update gMSA keys when DSDB_CONTROL_GMSA_UPDATE_OID control is specified
Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-21 22:10:36 +00:00
Jo Sutton
ff8e98daf1 s4:ldap_server: Consider ldapi connections to be encrypted
Modifications to unicodePwd require an encrypted connection. This change
allows unicodePwd to be modified over an ldapi connection.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
c63cabf1e0 s4:ldap_server: Store whether an LDAP connection is over ldapi
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
c2378d0c6f s4:ldap_server: Add copy of non‐privileged ops specifically for ldapi connections
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
ec6579829f s4:ldap_server: Rename privileged ops to indicate they are used for ldapi
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
7df4bdd0fe s4:ldap_server: Fix code spelling
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
1a6dbcfb10 s4:ldap_server: Remove trailing whitespace
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15634

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-04-16 03:58:31 +00:00
Jo Sutton
8c970eaa2e s4:ldap_server: Remove trailing whitespace
Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2024-02-16 02:41:36 +00:00
Björn Jacke
bab0ac776c s4/ldap_backend: do_call: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Dec 29 13:50:05 UTC 2023 on atb-devel-224
2023-12-29 13:50:05 +00:00
Björn Jacke
80c2513da4 s4/ldap_backend: abandonrequest: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
70a5309bf1 s4/ldap_backend: CompareRequest: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
24a01b673c s4/ldap_backend: modifydnrequest: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
2a4d291e82 s4/ldap_backend: delrequest: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
9129042eb0 s4/ldap_backend: addrequest: use modern DBG macros
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
ac3ed2486b s4/ldap_backend: modifyrequest: use modern DBG_ macro
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
6d4bb12c49 s4/ldap_backend: SearchRequest: use modern DBG_ macro
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
54a88491e5 s4/ldap_backend: unwilling: use modern DBG_ macro
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
1324732e80 s4/ldap_backend: encode: use modern DBG_ macro
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
10002e9400 s4/ldap_backend: change a printf %d to %u for results
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Björn Jacke
d4168fce7b s4/ldap_backend: fix a NULL dereference
Signed-off-by: Bjoern Jacke <bjacke@samba.org>>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-12-29 12:49:34 +00:00
Ralph Boehme
4d1088faea libcli/util: add struct tstream_context to tstream_read_pdu_blob_full_fn_t
Add struct tstream_context to tstream_read_pdu_blob_full_fn_t and update
all callers of tstream_read_pdu_blob_send() to use the correct callback.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-10-25 22:23:38 +00:00
Stefan Metzmacher
e897ccd9c8 s4:ldap_server: make use of tstream_bsd_fail_readv_first_error(true)
This avoids doing useless work in case the client connection
is already broken.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-10-24 09:36:37 +00:00
Andreas Schneider
541f4d08a3 s3:ldap_server: Fix code spelling
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-08-14 21:45:29 +00:00
Joseph Sutton
fd6c3e6b7c s4:ldap_server: Add missing newlines to logging messages
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-08-08 04:39:38 +00:00
Andrew Bartlett
acf6d89c3e dsdb: Add dsdb_search_scope_as_string() and use in ldap_backend.c
This will be useful when adding debugging to other routines.

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2023-07-31 10:56:54 +00:00
Jule Anger
0c7cfb7a11 s4:ldap_server: reload tls certificates on smbcontrol reload-certs
Reload certificates with the command 'smbcontrol ldap_server reload-certs'.
The message is send to the master process, who forwards it to the workers
processes.
The master process reload and, if necessary, create the certificates first,
then the workers processes reload them.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Jule Anger <janger@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-07-25 20:04:29 +00:00
Jule Anger
321162c9bf s4:ldap_server: remember dns_host_name in ldap_service
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Jule Anger <janger@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-07-25 20:04:29 +00:00
Jule Anger
cc4995d932 s4:ldap_server: don't store task_server in ldapsrv_service
We store individual pointers we need and adjust them
as needed in ldapsrv_post_fork() and the newly added
ldapsrv_before_loop().

This will be required for the next steps.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Jule Anger <janger@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-07-25 20:04:29 +00:00
Joseph Sutton
ca9d27ae99 auth: Add functionality to log client and server policy information
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-06-25 23:29:32 +00:00
Volker Lendecke
a00af01e65 ldap_server: Implement the rfc4532 whoami exop
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-04-26 06:27:31 +00:00
Rob van der Linde
112faff82f dsdb: modify unicodePwd requires encrypted connection
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Apr  6 01:33:05 UTC 2023 on atb-devel-224
2023-04-06 01:33:05 +00:00
Stefan Metzmacher
eb2f352603 s4:ldap_server: let ldapsrv_call_writev_start use conn_idle_time to limit the time
If the client is not able to receive the results within connections idle
time, then we should treat it as dead. It's value is 15 minutes (900 s)
by default.

In order to limit that further an admin can use 'socket options'
and set TCP_KEEPCNT, TCP_KEEPIDLE, TCP_KEEPINTVL and/or TCP_USER_TIMEOUT
to useful values.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15202

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 19 17:13:39 UTC 2022 on sn-devel-184
2022-10-19 17:13:39 +00:00
Volker Lendecke
4ef1b0963c ldap_server: Fix typos
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-04-26 21:41:29 +00:00
Andrew Bartlett
3507e96b3d CVE-2021-3670 ldap_server: Clearly log LDAP queries and timeouts
This puts all the detail on one line so it can be searched
by IP address and connecting SID.

This relies on the anr handling as otherwise this log
becomes the expanded query, not the original one.

RN: Provide clear logs of the LDAP search and who made it, including
a warning (at log level 3) for queries that are 1/4 of the hard timeout.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14694

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>

Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Thu Nov 25 02:30:42 UTC 2021 on sn-devel-184
2021-11-25 02:30:42 +00:00
Andrew Bartlett
2b3af3b560 CVE-2021-3670 ldap_server: Remove duplicate print of LDAP search details
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14694

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2021-11-25 01:41:30 +00:00
Joseph Sutton
e1ab0c4362 CVE-2021-3670 ldap_server: Ensure value of MaxQueryDuration is greater than zero
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14694

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2021-11-25 01:41:30 +00:00
Joseph Sutton
86fe9d4888 CVE-2021-3670 ldap_server: Set timeout on requests based on MaxQueryDuration
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14694

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2021-11-25 01:41:30 +00:00
Andreas Schneider
eb7bfe2f3a s4:ldap_server: Use cli_credentials_init_server()
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2021-04-09 10:46:28 +00:00
Ralph Boehme
4142bde7e5 s4: rename source4/smbd/ to source4/samba/
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Nov 27 10:07:18 UTC 2020 on sn-devel-184
2020-11-27 10:07:18 +00:00
Stefan Metzmacher
5e3363e0b8 s4:ldap_server: Use samba_server_gensec_start() in ldapsrv_backend_Init()
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2020-09-07 12:02:15 +00:00
Matthew DeVore
232054c09b lib/util: remove extra safe_string.h file
lib/util/safe_string.h is similar to source3/include/safe_string.h, but
the former has fewer checks. It is missing bcopy, strcasecmp, and
strncasecmp.

Add the missing elements to lib/util/safe_string.h remove the other
safe_string.h which is in the source3-specific path. To accomodate
existing uses of str(n?)casecmp, add #undef lines to source files where
they are used.

Signed-off-by: Matthew DeVore <matvore@google.com>
Reviewed-by: David Mulder <dmulder@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Aug 28 02:18:40 UTC 2020 on sn-devel-184
2020-08-28 02:18:40 +00:00
Volker Lendecke
eb72f887b0 ldap_server: Terminate LDAP connections on krb ticket expiry
See RFC4511 section 4.4.1 and

https://lists.samba.org/archive/cifs-protocol/2020-August/003515.html

for details: Windows terminates LDAP connections when the krb5 ticket
expires, Samba should do the same. This patch slightly deviates from
Windows behaviour by sending a LDAP exop response with msgid 0 that is
ASN1-encoded conforming to RFC4511.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=14465

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2020-08-21 19:14:32 +00:00
Volker Lendecke
77f72fb01f ldap_server: Add the krb5 expiry to conn->limits
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14465

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2020-08-21 19:14:32 +00:00
Volker Lendecke
4f3ab0e9ca ldap_server: Fix a typo
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-08-17 19:35:37 +00:00
Volker Lendecke
3514e4100c ldap_server: Do an early TALLOC_FREE()
We don't need the asn1 struct after this point anymore

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Aug 17 11:10:04 UTC 2020 on sn-devel-184
2020-08-17 11:10:04 +00:00
Volker Lendecke
86ab467667 ldap_server: Avoid talloc_memdup() for ldap_decode()
Slight optimization for the ldap server: We don't need to copy the
client PDU into the ASN1 struct, the decoding process happens
immediately in the same routine.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2020-08-17 09:46:36 +00:00
Gary Lockyer
79b371da80 s4 ldap_server: modernize debug calls
Replace DEBUG(0 with DBG_ERR(

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-05-06 21:15:42 +00:00
Gary Lockyer
3149ea0a8a CVE-2020-10704: libcli ldap_message: Add search size limits to ldap_decode
Add search request size limits to ldap_decode calls.

The ldap server uses the smb.conf variable
"ldap max search request size" which defaults to 250Kb.
For cldap the limit is hard coded as 4096.

Credit to OSS-Fuzz

REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20454
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14334

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2020-05-04 02:59:32 +00:00