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dcerpc_ncacn_accept() talloc_move's the addresses away from the
caller's talloc hierarchy. Don't leave pointers around in the caller.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Previously, the lowlevel routines wrote into the pf_listen_fd arrays
without checking its size.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Push filling in struct pf_listen_fd into the daemons using
dcesrv_create_endpoint_sockets().
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Move 24 bytes from modifyable data to .text segment
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
It's a bit shocking how many references we have to global
contexts. Make this a bit more obvious.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@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>
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>
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>
Initialize and shutdown the endpoint servers registed by the mdssd
daemon. The pidl-generated init function will register the
api_struct for backward compatibility until completely removed.
The common server exit routine will shutdown all registered endpoint
servers, and the pidl-generated shutdown function will unregister the
api_struct.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The parent calls the setup function to register the endpoint server, as
it has to be registered to initialize the endpoints (create the sockets).
Delete the setup call from forker childs as it is already registered by
the parent.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Changes:
* Don't initialize the RPC service by calling setup_rpc_module() in the parent
mdssd. This is not needed in the parent, only in the worker childs.
* In the worker childs call setup_rpc_module() instead of init_rpc_module()
which ensures rpc_mdssvc_init() is called with the mdssvc callback which is
needed to initialize mdssvc via mdssvc_init_cb() -> init_service_mdssvc()
* Finally rpc_setup_mdssvc() is adjusted to be a noop if mdssvc is configured to
as external and when called by the main parent smbd via dcesrv_ep_setup() ->
setup_rpc_modules()
I've manually tested all 4 combinations of external=yes|no X module=yes|no with
the new mdfind command.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Jul 22 18:04:53 UTC 2019 on sn-devel-184
These functions are used by endpoint mapper to delete the endpoints
when a NCALRPC connection from an external daemon is lost and by
preforked childs to accept the next client as soon as the current
connection terminates. We can use the same function for both purposes.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The auxiliary variable is checked in the function's exit code so reset
it after each usage.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Prepare for merger RPC server codebase, where it will be necessary to
stablish an association between the listening socket and the
dcesrv_endpoint that the socket is serving.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Now NCACN_NP connections run the same loop as NCACN_IP_TCP and NCALRPC
connections.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
In preparation to remove the named_pipe_client structure, this function
will be called from ncacn_conn destructor passing the private data pointer
as argument. It is mainly used by preforked childs in "process model" to
attend the next client as soon as the previous client ends the connection.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
The 'fd' state struct member is initialized after allocation because it
is checked in the error path.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This reflects that the messaging context is also used outside of the
server processes.
The command used for the rename:
find . -name '*.[hc]' -print0 | xargs -0 sed -i 's/server_messaging_context/global_messaging_context/'
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
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): Tue Dec 5 04:58:26 CET 2017 on sn-devel-144
Using smbd_reinit_after_fork() rather then reinit_after_fork() ensures
am_parent is reset to NULL. Otherwise, when exiting for some reason, the
inherited atexit handler killkids() calls kill(0,SIGTERM) terminating
our whole process group including the main smbd.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12016
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Jul 11 02:02:33 CEST 2016 on sn-devel-144
Allow building mdssvc RPC service as shared module:
--with-shared-modules=rpc_mdssvc_module
The default is to build it static.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Sun Feb 21 22:28:41 CET 2016 on sn-devel-144
