2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1998,
5 * Largely re-written : 2005
6 * Copyright (C) Jeremy Allison 1998 - 2005
7 * Copyright (C) Simo Sorce 2010
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #include "rpc_client/cli_pipe.h"
25 #include "rpc_server/srv_pipe_internal.h"
27 #include "../libcli/named_pipe_auth/npa_tstream.h"
28 #include "rpc_server/rpc_ncacn_np.h"
29 #include "librpc/gen_ndr/netlogon.h"
30 #include "librpc/gen_ndr/auth.h"
31 #include "../auth/auth_sam_reply.h"
34 #include "../lib/tsocket/tsocket.h"
35 #include "../lib/util/tevent_ntstatus.h"
36 #include "rpc_contexts.h"
39 #define DBGC_CLASS DBGC_RPC_SRV
41 static struct pipes_struct
*InternalPipes
;
44 * the following prototypes are declared here to avoid
45 * code being moved about too much for a patch to be
46 * disrupted / less obvious.
48 * these functions, and associated functions that they
49 * call, should be moved behind a .so module-loading
50 * system _anyway_. so that's the next step...
53 /****************************************************************************
54 Internal Pipe iterator functions.
55 ****************************************************************************/
57 struct pipes_struct
*get_first_internal_pipe(void)
62 struct pipes_struct
*get_next_internal_pipe(struct pipes_struct
*p
)
67 static void free_pipe_rpc_context_internal( PIPE_RPC_FNS
*list
)
69 PIPE_RPC_FNS
*tmp
= list
;
81 bool check_open_pipes(void)
83 struct pipes_struct
*p
;
85 for (p
= InternalPipes
; p
!= NULL
; p
= p
->next
) {
86 if (num_pipe_handles(p
) != 0) {
93 /****************************************************************************
95 ****************************************************************************/
97 int close_internal_rpc_pipe_hnd(struct pipes_struct
*p
)
100 DEBUG(0,("Invalid pipe in close_internal_rpc_pipe_hnd\n"));
104 TALLOC_FREE(p
->auth
.auth_ctx
);
106 free_pipe_rpc_context_internal( p
->contexts
);
108 /* Free the handles database. */
109 close_policy_by_pipe(p
);
111 DLIST_REMOVE(InternalPipes
, p
);
118 /****************************************************************************
119 Make an internal namedpipes structure
120 ****************************************************************************/
122 struct pipes_struct
*make_internal_rpc_pipe_p(TALLOC_CTX
*mem_ctx
,
123 const struct ndr_syntax_id
*syntax
,
124 struct client_address
*client_id
,
125 const struct auth_serversupplied_info
*session_info
,
126 struct messaging_context
*msg_ctx
)
128 struct pipes_struct
*p
;
129 struct pipe_rpc_fns
*context_fns
;
131 DEBUG(4,("Create pipe requested %s\n",
132 get_pipe_name_from_syntax(talloc_tos(), syntax
)));
134 p
= TALLOC_ZERO_P(mem_ctx
, struct pipes_struct
);
137 DEBUG(0,("ERROR! no memory for pipes_struct!\n"));
141 p
->mem_ctx
= talloc_named(p
, 0, "pipe %s %p",
142 get_pipe_name_from_syntax(talloc_tos(),
144 if (p
->mem_ctx
== NULL
) {
145 DEBUG(0,("open_rpc_pipe_p: talloc_init failed.\n"));
150 if (!init_pipe_handles(p
, syntax
)) {
151 DEBUG(0,("open_rpc_pipe_p: init_pipe_handles failed.\n"));
156 p
->session_info
= copy_serverinfo(p
, session_info
);
157 if (p
->session_info
== NULL
) {
158 DEBUG(0, ("open_rpc_pipe_p: copy_serverinfo failed\n"));
159 close_policy_by_pipe(p
);
164 p
->msg_ctx
= msg_ctx
;
166 DLIST_ADD(InternalPipes
, p
);
168 p
->client_id
= client_id
;
170 p
->endian
= RPC_LITTLE_ENDIAN
;
172 p
->transport
= NCALRPC
;
174 context_fns
= SMB_MALLOC_P(struct pipe_rpc_fns
);
175 if (context_fns
== NULL
) {
176 DEBUG(0,("malloc() failed!\n"));
180 context_fns
->next
= context_fns
->prev
= NULL
;
181 context_fns
->n_cmds
= rpc_srv_get_pipe_num_cmds(syntax
);
182 context_fns
->cmds
= rpc_srv_get_pipe_cmds(syntax
);
183 context_fns
->context_id
= 0;
184 context_fns
->syntax
= *syntax
;
186 /* add to the list of open contexts */
187 DLIST_ADD(p
->contexts
, context_fns
);
189 DEBUG(4,("Created internal pipe %s\n",
190 get_pipe_name_from_syntax(talloc_tos(), syntax
)));
192 talloc_set_destructor(p
, close_internal_rpc_pipe_hnd
);
197 static NTSTATUS
rpcint_dispatch(struct pipes_struct
*p
,
200 const DATA_BLOB
*in_data
,
203 struct pipe_rpc_fns
*fns
= find_pipe_fns_by_context(p
->contexts
, 0);
204 uint32_t num_cmds
= fns
->n_cmds
;
205 const struct api_struct
*cmds
= fns
->cmds
;
212 for (i
= 0; i
< num_cmds
; i
++) {
213 if (cmds
[i
].opnum
== opnum
&& cmds
[i
].fn
!= NULL
) {
219 return NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE
;
222 p
->in_data
.data
= *in_data
;
223 p
->out_data
.rdata
= data_blob_null
;
226 p
->in_data
.data
= data_blob_null
;
228 data_blob_free(&p
->out_data
.rdata
);
229 talloc_free_children(p
->mem_ctx
);
230 return NT_STATUS_RPC_CALL_FAILED
;
233 if (p
->fault_state
) {
234 p
->fault_state
= false;
235 data_blob_free(&p
->out_data
.rdata
);
236 talloc_free_children(p
->mem_ctx
);
237 return NT_STATUS_RPC_CALL_FAILED
;
240 if (p
->bad_handle_fault_state
) {
241 p
->bad_handle_fault_state
= false;
242 data_blob_free(&p
->out_data
.rdata
);
243 talloc_free_children(p
->mem_ctx
);
244 return NT_STATUS_RPC_SS_CONTEXT_MISMATCH
;
247 if (p
->rng_fault_state
) {
248 p
->rng_fault_state
= false;
249 data_blob_free(&p
->out_data
.rdata
);
250 talloc_free_children(p
->mem_ctx
);
251 return NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE
;
254 *out_data
= p
->out_data
.rdata
;
255 talloc_steal(mem_ctx
, out_data
->data
);
256 p
->out_data
.rdata
= data_blob_null
;
258 talloc_free_children(p
->mem_ctx
);
262 struct rpcint_bh_state
{
263 struct pipes_struct
*p
;
266 static bool rpcint_bh_is_connected(struct dcerpc_binding_handle
*h
)
268 struct rpcint_bh_state
*hs
= dcerpc_binding_handle_data(h
,
269 struct rpcint_bh_state
);
278 static uint32_t rpcint_bh_set_timeout(struct dcerpc_binding_handle
*h
,
281 /* TODO: implement timeouts */
285 struct rpcint_bh_raw_call_state
{
291 static struct tevent_req
*rpcint_bh_raw_call_send(TALLOC_CTX
*mem_ctx
,
292 struct tevent_context
*ev
,
293 struct dcerpc_binding_handle
*h
,
294 const struct GUID
*object
,
297 const uint8_t *in_data
,
300 struct rpcint_bh_state
*hs
=
301 dcerpc_binding_handle_data(h
,
302 struct rpcint_bh_state
);
303 struct tevent_req
*req
;
304 struct rpcint_bh_raw_call_state
*state
;
308 req
= tevent_req_create(mem_ctx
, &state
,
309 struct rpcint_bh_raw_call_state
);
313 state
->in_data
.data
= discard_const_p(uint8_t, in_data
);
314 state
->in_data
.length
= in_length
;
316 ok
= rpcint_bh_is_connected(h
);
318 tevent_req_nterror(req
, NT_STATUS_INVALID_CONNECTION
);
319 return tevent_req_post(req
, ev
);
322 /* TODO: allow async */
323 status
= rpcint_dispatch(hs
->p
, state
, opnum
,
326 if (!NT_STATUS_IS_OK(status
)) {
327 tevent_req_nterror(req
, status
);
328 return tevent_req_post(req
, ev
);
331 tevent_req_done(req
);
332 return tevent_req_post(req
, ev
);
335 static NTSTATUS
rpcint_bh_raw_call_recv(struct tevent_req
*req
,
341 struct rpcint_bh_raw_call_state
*state
=
343 struct rpcint_bh_raw_call_state
);
346 if (tevent_req_is_nterror(req
, &status
)) {
347 tevent_req_received(req
);
351 *out_data
= talloc_move(mem_ctx
, &state
->out_data
.data
);
352 *out_length
= state
->out_data
.length
;
354 tevent_req_received(req
);
358 struct rpcint_bh_disconnect_state
{
362 static struct tevent_req
*rpcint_bh_disconnect_send(TALLOC_CTX
*mem_ctx
,
363 struct tevent_context
*ev
,
364 struct dcerpc_binding_handle
*h
)
366 struct rpcint_bh_state
*hs
= dcerpc_binding_handle_data(h
,
367 struct rpcint_bh_state
);
368 struct tevent_req
*req
;
369 struct rpcint_bh_disconnect_state
*state
;
372 req
= tevent_req_create(mem_ctx
, &state
,
373 struct rpcint_bh_disconnect_state
);
378 ok
= rpcint_bh_is_connected(h
);
380 tevent_req_nterror(req
, NT_STATUS_INVALID_CONNECTION
);
381 return tevent_req_post(req
, ev
);
385 * TODO: do a real async disconnect ...
387 * For now the caller needs to free pipes_struct
391 tevent_req_done(req
);
392 return tevent_req_post(req
, ev
);
395 static NTSTATUS
rpcint_bh_disconnect_recv(struct tevent_req
*req
)
399 if (tevent_req_is_nterror(req
, &status
)) {
400 tevent_req_received(req
);
404 tevent_req_received(req
);
408 static bool rpcint_bh_ref_alloc(struct dcerpc_binding_handle
*h
)
413 static void rpcint_bh_do_ndr_print(struct dcerpc_binding_handle
*h
,
415 const void *_struct_ptr
,
416 const struct ndr_interface_call
*call
)
418 void *struct_ptr
= discard_const(_struct_ptr
);
420 if (DEBUGLEVEL
< 11) {
424 if (ndr_flags
& NDR_IN
) {
425 ndr_print_function_debug(call
->ndr_print
,
430 if (ndr_flags
& NDR_OUT
) {
431 ndr_print_function_debug(call
->ndr_print
,
438 static const struct dcerpc_binding_handle_ops rpcint_bh_ops
= {
440 .is_connected
= rpcint_bh_is_connected
,
441 .set_timeout
= rpcint_bh_set_timeout
,
442 .raw_call_send
= rpcint_bh_raw_call_send
,
443 .raw_call_recv
= rpcint_bh_raw_call_recv
,
444 .disconnect_send
= rpcint_bh_disconnect_send
,
445 .disconnect_recv
= rpcint_bh_disconnect_recv
,
447 .ref_alloc
= rpcint_bh_ref_alloc
,
448 .do_ndr_print
= rpcint_bh_do_ndr_print
,
451 static NTSTATUS
rpcint_binding_handle_ex(TALLOC_CTX
*mem_ctx
,
452 const struct ndr_syntax_id
*abstract_syntax
,
453 const struct ndr_interface_table
*ndr_table
,
454 struct client_address
*client_id
,
455 const struct auth_serversupplied_info
*session_info
,
456 struct messaging_context
*msg_ctx
,
457 struct dcerpc_binding_handle
**binding_handle
)
459 struct dcerpc_binding_handle
*h
;
460 struct rpcint_bh_state
*hs
;
463 abstract_syntax
= &ndr_table
->syntax_id
;
466 h
= dcerpc_binding_handle_create(mem_ctx
,
471 struct rpcint_bh_state
,
474 return NT_STATUS_NO_MEMORY
;
476 hs
->p
= make_internal_rpc_pipe_p(hs
,
483 return NT_STATUS_NO_MEMORY
;
490 * @brief Create a new DCERPC Binding Handle which uses a local dispatch function.
492 * @param[in] mem_ctx The memory context to use.
494 * @param[in] ndr_table Normally the ndr_table_<name>.
496 * @param[in] client_id The info about the connected client.
498 * @param[in] serversupplied_info The server supplied authentication function.
500 * @param[in] msg_ctx The messaging context that can be used by the server
502 * @param[out] binding_handle A pointer to store the connected
503 * dcerpc_binding_handle
505 * @return NT_STATUS_OK on success, a corresponding NT status if an
509 * struct dcerpc_binding_handle *winreg_binding;
512 * status = rpcint_binding_handle(tmp_ctx,
520 NTSTATUS
rpcint_binding_handle(TALLOC_CTX
*mem_ctx
,
521 const struct ndr_interface_table
*ndr_table
,
522 struct client_address
*client_id
,
523 const struct auth_serversupplied_info
*session_info
,
524 struct messaging_context
*msg_ctx
,
525 struct dcerpc_binding_handle
**binding_handle
)
527 return rpcint_binding_handle_ex(mem_ctx
, NULL
, ndr_table
, client_id
,
528 session_info
, msg_ctx
, binding_handle
);
534 * @brief Create a new RPC client context which uses a local transport.
536 * This creates a local transport. It is a shortcut to directly call the server
537 * functions and avoid marshalling.
538 * NOTE: this function should be used only by rpc_pipe_open_interface()
540 * @param[in] mem_ctx The memory context to use.
542 * @param[in] abstract_syntax Normally the syntax_id of the autogenerated
545 * @param[in] serversupplied_info The server supplied authentication function.
547 * @param[in] client_id The client address information.
549 * @param[in] msg_ctx The messaging context to use.
551 * @param[out] presult A pointer to store the connected rpc client pipe.
553 * @return NT_STATUS_OK on success, a corresponding NT status if an
556 static NTSTATUS
rpc_pipe_open_internal(TALLOC_CTX
*mem_ctx
,
557 const struct ndr_syntax_id
*abstract_syntax
,
558 const struct auth_serversupplied_info
*serversupplied_info
,
559 struct client_address
*client_id
,
560 struct messaging_context
*msg_ctx
,
561 struct rpc_pipe_client
**presult
)
563 struct rpc_pipe_client
*result
;
566 result
= TALLOC_ZERO_P(mem_ctx
, struct rpc_pipe_client
);
567 if (result
== NULL
) {
568 return NT_STATUS_NO_MEMORY
;
571 result
->abstract_syntax
= *abstract_syntax
;
572 result
->transfer_syntax
= ndr_transfer_syntax
;
574 if (client_id
== NULL
) {
575 static struct client_address unknown
;
576 strlcpy(unknown
.addr
, "<UNKNOWN>", sizeof(unknown
.addr
));
577 unknown
.name
= "<UNKNOWN>";
578 client_id
= &unknown
;
581 result
->max_xmit_frag
= -1;
582 result
->max_recv_frag
= -1;
584 status
= rpcint_binding_handle_ex(result
,
590 &result
->binding_handle
);
591 if (!NT_STATUS_IS_OK(status
)) {
600 /****************************************************************************
601 * External pipes functions
602 ***************************************************************************/
605 struct np_proxy_state
*make_external_rpc_pipe_p(TALLOC_CTX
*mem_ctx
,
606 const char *pipe_name
,
607 const struct tsocket_address
*local_address
,
608 const struct tsocket_address
*remote_address
,
609 const struct auth_serversupplied_info
*session_info
)
611 struct np_proxy_state
*result
;
613 const char *socket_dir
;
614 struct tevent_context
*ev
;
615 struct tevent_req
*subreq
;
616 struct auth_session_info_transport
*session_info_t
;
617 struct auth_session_info
*session_info_npa
;
618 struct auth_user_info_dc
*user_info_dc
;
619 union netr_Validation val
;
625 result
= talloc(mem_ctx
, struct np_proxy_state
);
626 if (result
== NULL
) {
627 DEBUG(0, ("talloc failed\n"));
631 result
->read_queue
= tevent_queue_create(result
, "np_read");
632 if (result
->read_queue
== NULL
) {
633 DEBUG(0, ("tevent_queue_create failed\n"));
637 result
->write_queue
= tevent_queue_create(result
, "np_write");
638 if (result
->write_queue
== NULL
) {
639 DEBUG(0, ("tevent_queue_create failed\n"));
643 ev
= s3_tevent_context_init(talloc_tos());
645 DEBUG(0, ("s3_tevent_context_init failed\n"));
649 socket_dir
= lp_parm_const_string(
650 GLOBAL_SECTION_SNUM
, "external_rpc_pipe", "socket_dir",
652 if (socket_dir
== NULL
) {
653 DEBUG(0, ("externan_rpc_pipe:socket_dir not set\n"));
656 socket_np_dir
= talloc_asprintf(talloc_tos(), "%s/np", socket_dir
);
657 if (socket_np_dir
== NULL
) {
658 DEBUG(0, ("talloc_asprintf failed\n"));
662 session_info_npa
= talloc_zero(talloc_tos(), struct auth_session_info
);
663 if (session_info_npa
== NULL
) {
664 DEBUG(0, ("talloc failed\n"));
668 /* Send the named_pipe_auth server the user's full token */
669 session_info_npa
->security_token
= session_info
->security_token
;
670 session_info_npa
->session_key
= session_info
->session_key
;
672 val
.sam3
= session_info
->info3
;
674 /* Convert into something we can build a struct
675 * auth_session_info from. Most of the work here
676 * will be to convert the SIDS, which we will then ignore, but
677 * this is the easier way to handle it */
678 status
= make_user_info_dc_netlogon_validation(talloc_tos(), "", 3, &val
, &user_info_dc
);
679 if (!NT_STATUS_IS_OK(status
)) {
680 DEBUG(0, ("conversion of info3 into user_info_dc failed!\n"));
684 session_info_npa
->info
= talloc_move(session_info_npa
, &user_info_dc
->info
);
685 talloc_free(user_info_dc
);
687 session_info_t
= talloc_zero(talloc_tos(), struct auth_session_info_transport
);
688 if (session_info_npa
== NULL
) {
689 DEBUG(0, ("talloc failed\n"));
693 session_info_t
->session_info
= talloc_steal(session_info_t
, session_info_npa
);
696 subreq
= tstream_npa_connect_send(talloc_tos(), ev
,
699 remote_address
, /* client_addr */
700 NULL
, /* client_name */
701 local_address
, /* server_addr */
702 NULL
, /* server_name */
704 if (subreq
== NULL
) {
706 DEBUG(0, ("tstream_npa_connect_send to %s for pipe %s and "
707 "user %s\\%s failed\n",
708 socket_np_dir
, pipe_name
, session_info_t
->session_info
->info
->domain_name
,
709 session_info_t
->session_info
->info
->account_name
));
712 ok
= tevent_req_poll(subreq
, ev
);
715 DEBUG(0, ("tevent_req_poll to %s for pipe %s and user %s\\%s "
716 "failed for tstream_npa_connect: %s\n",
717 socket_np_dir
, pipe_name
, session_info_t
->session_info
->info
->domain_name
,
718 session_info_t
->session_info
->info
->account_name
,
723 ret
= tstream_npa_connect_recv(subreq
, &sys_errno
,
727 &result
->device_state
,
728 &result
->allocation_size
);
731 DEBUG(0, ("tstream_npa_connect_recv to %s for pipe %s and "
732 "user %s\\%s failed: %s\n",
733 socket_np_dir
, pipe_name
, session_info_t
->session_info
->info
->domain_name
,
734 session_info_t
->session_info
->info
->account_name
,
735 strerror(sys_errno
)));
746 static NTSTATUS
rpc_pipe_open_external(TALLOC_CTX
*mem_ctx
,
747 const char *pipe_name
,
748 const struct ndr_syntax_id
*abstract_syntax
,
749 const struct auth_serversupplied_info
*session_info
,
750 struct rpc_pipe_client
**_result
)
752 struct tsocket_address
*local
, *remote
;
753 struct rpc_pipe_client
*result
= NULL
;
754 struct np_proxy_state
*proxy_state
= NULL
;
755 struct pipe_auth_data
*auth
;
759 /* this is an internal connection, fake up ip addresses */
760 ret
= tsocket_address_inet_from_strings(talloc_tos(), "ip",
763 return NT_STATUS_NO_MEMORY
;
765 ret
= tsocket_address_inet_from_strings(talloc_tos(), "ip",
768 return NT_STATUS_NO_MEMORY
;
771 proxy_state
= make_external_rpc_pipe_p(mem_ctx
, pipe_name
,
772 local
, remote
, session_info
);
774 return NT_STATUS_UNSUCCESSFUL
;
777 result
= talloc_zero(mem_ctx
, struct rpc_pipe_client
);
778 if (result
== NULL
) {
779 status
= NT_STATUS_NO_MEMORY
;
783 result
->abstract_syntax
= *abstract_syntax
;
784 result
->transfer_syntax
= ndr_transfer_syntax
;
786 result
->desthost
= get_myname(result
);
787 result
->srv_name_slash
= talloc_asprintf_strupper_m(
788 result
, "\\\\%s", result
->desthost
);
789 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
790 status
= NT_STATUS_NO_MEMORY
;
794 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
795 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
797 status
= rpc_transport_tstream_init(result
,
800 if (!NT_STATUS_IS_OK(status
)) {
804 result
->binding_handle
= rpccli_bh_create(result
);
805 if (result
->binding_handle
== NULL
) {
806 status
= NT_STATUS_NO_MEMORY
;
807 DEBUG(0, ("Failed to create binding handle.\n"));
811 result
->auth
= talloc_zero(result
, struct pipe_auth_data
);
813 status
= NT_STATUS_NO_MEMORY
;
816 result
->auth
->auth_type
= DCERPC_AUTH_TYPE_NONE
;
817 result
->auth
->auth_level
= DCERPC_AUTH_LEVEL_NONE
;
819 status
= rpccli_anon_bind_data(result
, &auth
);
820 if (!NT_STATUS_IS_OK(status
)) {
821 DEBUG(0, ("Failed to initialize anonymous bind.\n"));
825 status
= rpc_pipe_bind(result
, auth
);
826 if (!NT_STATUS_IS_OK(status
)) {
827 DEBUG(0, ("Failed to bind external pipe.\n"));
832 if (!NT_STATUS_IS_OK(status
)) {
835 TALLOC_FREE(proxy_state
);
841 * @brief Create a new RPC client context which uses a local dispatch function
842 * or a remote transport, depending on rpc_server configuration for the
845 * @param[in] mem_ctx The memory context to use.
847 * @param[in] abstract_syntax Normally the syntax_id of the autogenerated
850 * @param[in] serversupplied_info The server supplied authentication function.
852 * @param[in] client_id The client address information.
854 * @param[in] msg_ctx The messaging context to use.
856 * @param[out] presult A pointer to store the connected rpc client pipe.
858 * @return NT_STATUS_OK on success, a corresponding NT status if an
862 * struct rpc_pipe_client *winreg_pipe;
865 * status = rpc_pipe_open_interface(tmp_ctx,
866 * &ndr_table_winreg.syntax_id,
873 NTSTATUS
rpc_pipe_open_interface(TALLOC_CTX
*mem_ctx
,
874 const struct ndr_syntax_id
*syntax
,
875 const struct auth_serversupplied_info
*session_info
,
876 struct client_address
*client_id
,
877 struct messaging_context
*msg_ctx
,
878 struct rpc_pipe_client
**cli_pipe
)
880 struct rpc_pipe_client
*cli
= NULL
;
881 const char *server_type
;
882 const char *pipe_name
;
886 if (cli_pipe
&& rpccli_is_connected(*cli_pipe
)) {
889 TALLOC_FREE(*cli_pipe
);
892 tmp_ctx
= talloc_stackframe();
893 if (tmp_ctx
== NULL
) {
894 return NT_STATUS_NO_MEMORY
;
897 pipe_name
= get_pipe_name_from_syntax(tmp_ctx
, syntax
);
898 if (pipe_name
== NULL
) {
899 status
= NT_STATUS_INVALID_PARAMETER
;
903 while (pipe_name
[0] == '\\') {
907 DEBUG(5, ("Connecting to %s pipe.\n", pipe_name
));
909 server_type
= lp_parm_const_string(GLOBAL_SECTION_SNUM
,
910 "rpc_server", pipe_name
,
913 if (strcasecmp_m(server_type
, "embedded") == 0) {
914 status
= rpc_pipe_open_internal(tmp_ctx
,
915 syntax
, session_info
,
918 if (!NT_STATUS_IS_OK(status
)) {
921 } else if (strcasecmp_m(server_type
, "daemon") == 0 ||
922 strcasecmp_m(server_type
, "external") == 0) {
923 /* It would be nice to just use rpc_pipe_open_ncalrpc() but
924 * for now we need to use the special proxy setup to connect
927 status
= rpc_pipe_open_external(tmp_ctx
,
931 if (!NT_STATUS_IS_OK(status
)) {
935 status
= NT_STATUS_NOT_IMPLEMENTED
;
936 DEBUG(0, ("Wrong servertype specified in config file: %s",
941 status
= NT_STATUS_OK
;
943 if (NT_STATUS_IS_OK(status
)) {
944 *cli_pipe
= talloc_move(mem_ctx
, &cli
);
946 TALLOC_FREE(tmp_ctx
);