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Will make further changes easier to see, as we now use
req for tevent_req structs.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
If the struct has zero or two schedules, that is what it has, and we
should let that be.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sun Mar 22 06:19:51 UTC 2020 on sn-devel-184
Previously this would fail with Unsupported critical extension 1.3.6.1.4.1.7165.4.3.2
Reported by Alexander Harm. Many thanks for helping make Samba better
and for your patience with patches and providing debugging information.
REF: https://lists.samba.org/archive/samba/2020-February/228153.html
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14306
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This type of object was not possible to delete in Samba without first removing
the link.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14306
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Fix indentation of list members and fix lines > 79 characters to remove
PEP8 warnings.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add cmocka tests to confirm lmdb's handling of the free list.
As a result of lmdb's MVCC (Multiversion Concurrency Control) long
running read transactions or stale readers (read transactions where the
process exited without ending the transaction) can cause the database to
run out of space.
Items in the free list are only reused when they would not be visible in
a read transaction. So long running read transactions prevent entries
in the free list being reused, and the database can run out of space.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Samuel Cabrero <scabrero@samba.org>
Autobuild-Date(master): Fri Mar 20 17:11:28 UTC 2020 on sn-devel-184
The setup function registers the endpoint server and RPC core routines
initialize and shutdown it.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Prototype is generated by the server compat parser.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The rpc_<service>_shutdown function unregisters the legacy api_struct
from the local dispatch table, which is not longer used as local
dispatching is done through dcesrv_interface and will be removed in
following commits.
The dcesrv_shutdown_registered_ep_servers will unregister endpoint servers.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit finally switches the RPC server implementation.
At the same we have to do other related changes to keep code compiling
and test environments running.
First avoid moving the session_info into the allocated pipes_struct memory
context as it is owned now by the core RPC server, and the s3compat pidl
compiler will update the pipes_struct session_info before dispatching
the call with dcesrv_call->auth_state->session_info.
Also, fix a segfault in the endpoint mapper daemon when it tries to delete
the endpoints previously registered over a NCALRPC connection.
If we have:
rpc_server : epmapper = external
rpc_server : lsarpc = external
rpc_daemon : epmd = fork
rpc_daemon : lsasd = fork
The sequence is:
* The endpoint mapper starts (start_epmd in source3/smbd/server.c)
* The lsarpc daemon starts (start_lsasd in source3/smbd/server.c)
* The lsarpc daemon creates the sockets and registers its endpoints
(rpc_ep_register in source3/rpc_server/lsasd.c)
* The endpoint registration code opens a NCALRPC connection to the
endpoint mapper daemon (ep_register in source3/librpc/rpc/dcerpc_ep.c)
and keeps it open to re-register if the endpoint mapper daemon dies
(rpc_ep_register_loop in source3/rpc_server/rpc_ep_register.c)
* When the endpoint mapper daemon accepts a NCALRPC connection it sets a
termination function (srv_epmapper_delete_endpoints)
* Suppose the lsarpc daemon exits. The NCALRPC connection termination
function is called.
* The termination function tries to delete all endpoints registered by that
connection by calling _epm_Delete
* _epm_Delete calls is_privileged_pipe which access to
pipes_struct->session_info.
As the call to _epm_Delete occurs outside of the PIDL generated code,
the pipes_stuct->session_info is NULL. This commit also sets
pipes_struct->session_info from the dcerpc_connection before calling
_epm_Delete. As the core rpc server supports security context multiplexing we
need to pass the dcesrv_connection to the termination function and let the
implementation pick a auth context. In the case of the endpoint mapper
the termination function has to pick one of type NCALRPC_AS_SYSTEM to
check if the connection is privileged and delete the endpoints
registered by the connection being closed.
Finally, the samba.tests.dcerpc.raw_protocol testsuite passes against
the ad_member environment.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
To be used in rpcint_binding_handle, prepare to remove legacy api_struct
and S3 pidl generated code.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Will be used by winspool to forward selected opnums to spoolss.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Get the dcesrv_context from parent context and use it to search the
endpoint serving the named pipe. Once we have the endpoint pass it to
the make_internal_rpc_pipe_socketpair function.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The endpoint mapper entry is built using the dcesrv_endpoint and the
interfaces registered into it instead of using the
dcerpc_binding_vector.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If smbd and samba processes use DEFAULT as socket name they will race to
accept the NCALRPC connections.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The listener is created in the endpoint memory context. If the endpoint
is freed, the listener will be freed too and the socket closed.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The pidl-generated initialization function for each endpoint server will
register the RPC interface in all endpoints defined in the idl file.
The interface registration code will create the endpoint if it does not
exists (as an endpoint can serve multiple interfaces) and will add it to
the endpoint list exiting in the dcesrv_context.
This commit adds a generic dcesrv_create_endpoint_sockets function which
will be preforking external daemons to create the sockets regardless the
endpoint transport. This function will only create the sockets, the
external preforking daemon is who will start listening.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The pidl-generated initialization function for each endpoint server will
register the RPC interface in all endpoints defined in the idl file.
The interface registration code will create the endpoint if it does not
exists (as an endpoint can serve multiple interfaces) and will add it to
the endpoint list exiting in the dcesrv_context.
This commit adds a generic dcesrv_setup_endpoint_sockets function which
will be used by embedded services and non-preforking external daemons to
setup the sockets regardless the transport.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Keep the s3 server behaviour for now and return always the same
association group ID, 0x53F0.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
