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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>
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>
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>
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>
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>
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
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
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
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>
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
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>
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>
Ensure that the referrals returned in a search request use the same
scheme as the request, i.e. referrals recieved via ldap are prefixed
with "ldap://" and those over ldaps are prefixed with "ldaps://"
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12478
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri May 24 05:12:14 UTC 2019 on sn-devel-184
This should limit the amount we send to GENSEC at a
time where it may help avoid large realloc or memcpy calls.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This avoids a the implicit 256MB limit on LDAP replies (allowing this
to be increased in the future) and means we copy less memory around.
However because we can only have 1024 entries in a struct iovec (on Linux)
we will need to call tstream_writev_queue_send() multiple times.
Calling it in chunks of 1024 seems a reasonable compromise, the
gensec layer will chunk it out smaller if required.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This avoids holding the memory for the response twice,
by the time the result is queued it is only ASN.1 encoded.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Removing this (system) database open from the later auth stack results
in a 15-30% improvement in different types of binds and on different
hardware (presumably better with slower disk speeds).
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In the case of hitting the talloc ~256MB limit, this causes a crash in
the server.
Note that you would actually need to load >256MB of data into the LDAP.
Although there is some generated/hidden data which would help you reach that
limit (descriptors and RMD blobs).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13674
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add a post fork hook to the service API this will be called:
- standard process model
immediately after the task_init.
- single process model
immediately after the task_init
- prefork process model, inhibit_pre_fork = true
immediately after the task_init
- prefork process model, inhibit_pre_fork = false
after each service worker has forked. It is not run on the service
master process.
The post fork hook is not called in the standard model if a new process
is forked on a new connection. It is instead called immediately after
the task_init.
The task_init hook has been changed to return an error code. This ensures
the post_fork code is only run if the task_init code completed successfully.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 24 03:35:00 CEST 2018 on sn-devel-144
Instead, except in RPC which is a special SNOWFLAKE, we rely on the struct
service_details in the init function.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Refactor the process model code to allow the addition of a prefork
process model.
- Add a process context to contain process model specific state
- Add a service details structure to allow service to indicate which
process model options they can support.
In the new code the services advertise the features they support to the
process model. The process model context is plumbed through to allow the
process model to keep track of the supported options, and any state
the process model may require.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
However, do not plumb it to the client-seen error string, as it could contain server paths.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This allows one LDAP socket to proceed if another fails, and reduces the
impact of a crash becoming a DoS bug, as it only impacts one socket.
This may mean we have a lot of idle tasks, but this should not be a big
issue
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
If it is set by the dispatch functions, the core server
will use call->wait_send() and wait for it to finally
return frim call->wait_recv() before it asks for the
next incoming pdu.
This can be used to implement bind as async operations.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This makes sure that a call doesn't become an stale
member of the conn->pending_calls list.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Use the passed in context from callers. Remove one
talloc_autofree_context().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Not currently used - no logic changes inside.
This will make it possible to pass down a long-lived talloc
context from the loading function for modules to use instead
of having them internally all use talloc_autofree_context()
which is a hidden global.
Updated all known module interface numbers, and added a
WHATSNEW.
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Böhme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Apr 22 01:17:00 CEST 2017 on sn-devel-144
This is a simplified version that works with the current
dsdb_notification module that requires the caller to retry
periodically. We do that every 5 seconds or 100 microseconds
if we're forcing a retry.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
