2 Unix SMB/CIFS implementation.
4 dcerpc connect functions
6 Copyright (C) Andrew Tridgell 2003
7 Copyright (C) Jelmer Vernooij 2004
8 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005-2007
9 Copyright (C) Rafal Szczesniak 2005
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "libcli/composite/composite.h"
28 #include "libcli/smb_composite/smb_composite.h"
29 #include "lib/events/events.h"
30 #include "libcli/smb2/smb2.h"
31 #include "libcli/smb2/smb2_calls.h"
32 #include "librpc/rpc/dcerpc.h"
33 #include "librpc/rpc/dcerpc_proto.h"
34 #include "auth/credentials/credentials.h"
35 #include "param/param.h"
36 #include "libcli/resolve/resolve.h"
39 struct pipe_np_smb_state
{
40 struct smb_composite_connect conn
;
41 struct smbcli_tree
*tree
;
42 struct dcerpc_pipe_connect io
;
47 Stage 3 of ncacn_np_smb: Named pipe opened (or not)
49 static void continue_pipe_open_smb(struct composite_context
*ctx
)
51 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
52 struct composite_context
);
54 /* receive result of named pipe open request on smb */
55 c
->status
= dcerpc_pipe_open_smb_recv(ctx
);
56 if (!composite_is_ok(c
)) return;
63 Stage 2 of ncacn_np_smb: Open a named pipe after successful smb connection
65 static void continue_smb_connect(struct composite_context
*ctx
)
67 struct composite_context
*open_ctx
;
68 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
69 struct composite_context
);
70 struct pipe_np_smb_state
*s
= talloc_get_type(c
->private_data
,
71 struct pipe_np_smb_state
);
73 /* receive result of smb connect request */
74 c
->status
= smb_composite_connect_recv(ctx
, c
);
75 if (!composite_is_ok(c
)) return;
77 /* prepare named pipe open parameters */
78 s
->tree
= s
->conn
.out
.tree
;
79 s
->io
.pipe_name
= s
->io
.binding
->endpoint
;
81 /* send named pipe open request */
82 open_ctx
= dcerpc_pipe_open_smb_send(s
->io
.pipe
, s
->tree
, s
->io
.pipe_name
);
83 if (composite_nomem(open_ctx
, c
)) return;
85 composite_continue(c
, open_ctx
, continue_pipe_open_smb
, c
);
90 Initiate async open of a rpc connection to a rpc pipe on SMB using
91 the binding structure to determine the endpoint and options
93 static struct composite_context
*dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX
*mem_ctx
, struct dcerpc_pipe_connect
*io
, struct loadparm_context
*lp_ctx
)
95 struct composite_context
*c
;
96 struct pipe_np_smb_state
*s
;
97 struct composite_context
*conn_req
;
98 struct smb_composite_connect
*conn
;
100 /* composite context allocation and setup */
101 c
= composite_create(mem_ctx
, io
->pipe
->conn
->event_ctx
);
102 if (c
== NULL
) return NULL
;
104 s
= talloc_zero(c
, struct pipe_np_smb_state
);
105 if (composite_nomem(s
, c
)) return c
;
111 /* prepare smb connection parameters: we're connecting to IPC$ share on
113 conn
->in
.dest_host
= s
->io
.binding
->host
;
114 conn
->in
.dest_ports
= lpcfg_smb_ports(lp_ctx
);
115 if (s
->io
.binding
->target_hostname
== NULL
)
116 conn
->in
.called_name
= "*SMBSERVER"; /* FIXME: This is invalid */
118 conn
->in
.called_name
= s
->io
.binding
->target_hostname
;
119 conn
->in
.socket_options
= lpcfg_socket_options(lp_ctx
);
120 conn
->in
.service
= "IPC$";
121 conn
->in
.service_type
= NULL
;
122 conn
->in
.workgroup
= lpcfg_workgroup(lp_ctx
);
123 conn
->in
.gensec_settings
= lpcfg_gensec_settings(conn
, lp_ctx
);
125 lpcfg_smbcli_options(lp_ctx
, &conn
->in
.options
);
126 lpcfg_smbcli_session_options(lp_ctx
, &conn
->in
.session_options
);
129 * provide proper credentials - user supplied, but allow a
130 * fallback to anonymous if this is an schannel connection
131 * (might be NT4 not allowing machine logins at session
132 * setup) or if asked to do so by the caller (perhaps a SAMR password change?)
134 s
->conn
.in
.credentials
= s
->io
.creds
;
135 if (s
->io
.binding
->flags
& (DCERPC_SCHANNEL
|DCERPC_ANON_FALLBACK
)) {
136 conn
->in
.fallback_to_anonymous
= true;
138 conn
->in
.fallback_to_anonymous
= false;
141 /* send smb connect request */
142 conn_req
= smb_composite_connect_send(conn
, s
->io
.pipe
->conn
,
144 s
->io
.pipe
->conn
->event_ctx
);
145 if (composite_nomem(conn_req
, c
)) return c
;
147 composite_continue(c
, conn_req
, continue_smb_connect
, c
);
153 Receive result of a rpc connection to a rpc pipe on SMB
155 static NTSTATUS
dcerpc_pipe_connect_ncacn_np_smb_recv(struct composite_context
*c
)
157 NTSTATUS status
= composite_wait(c
);
164 struct pipe_np_smb2_state
{
165 struct smb2_tree
*tree
;
166 struct dcerpc_pipe_connect io
;
171 Stage 3 of ncacn_np_smb: Named pipe opened (or not)
173 static void continue_pipe_open_smb2(struct composite_context
*ctx
)
175 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
176 struct composite_context
);
178 /* receive result of named pipe open request on smb2 */
179 c
->status
= dcerpc_pipe_open_smb2_recv(ctx
);
180 if (!composite_is_ok(c
)) return;
187 Stage 2 of ncacn_np_smb2: Open a named pipe after successful smb2 connection
189 static void continue_smb2_connect(struct tevent_req
*subreq
)
191 struct composite_context
*open_req
;
192 struct composite_context
*c
=
193 tevent_req_callback_data(subreq
,
194 struct composite_context
);
195 struct pipe_np_smb2_state
*s
= talloc_get_type(c
->private_data
,
196 struct pipe_np_smb2_state
);
198 /* receive result of smb2 connect request */
199 c
->status
= smb2_connect_recv(subreq
, c
, &s
->tree
);
201 if (!composite_is_ok(c
)) return;
203 /* prepare named pipe open parameters */
204 s
->io
.pipe_name
= s
->io
.binding
->endpoint
;
206 /* send named pipe open request */
207 open_req
= dcerpc_pipe_open_smb2_send(s
->io
.pipe
, s
->tree
, s
->io
.pipe_name
);
208 if (composite_nomem(open_req
, c
)) return;
210 composite_continue(c
, open_req
, continue_pipe_open_smb2
, c
);
215 Initiate async open of a rpc connection request on SMB2 using
216 the binding structure to determine the endpoint and options
218 static struct composite_context
*dcerpc_pipe_connect_ncacn_np_smb2_send(
220 struct dcerpc_pipe_connect
*io
,
221 struct loadparm_context
*lp_ctx
)
223 struct composite_context
*c
;
224 struct pipe_np_smb2_state
*s
;
225 struct tevent_req
*subreq
;
226 struct smbcli_options options
;
228 /* composite context allocation and setup */
229 c
= composite_create(mem_ctx
, io
->pipe
->conn
->event_ctx
);
230 if (c
== NULL
) return NULL
;
232 s
= talloc_zero(c
, struct pipe_np_smb2_state
);
233 if (composite_nomem(s
, c
)) return c
;
239 * provide proper credentials - user supplied or anonymous in case this is
240 * schannel connection
242 if (s
->io
.binding
->flags
& DCERPC_SCHANNEL
) {
243 s
->io
.creds
= cli_credentials_init(mem_ctx
);
244 if (composite_nomem(s
->io
.creds
, c
)) return c
;
246 cli_credentials_guess(s
->io
.creds
, lp_ctx
);
249 lpcfg_smbcli_options(lp_ctx
, &options
);
251 /* send smb2 connect request */
252 subreq
= smb2_connect_send(s
, c
->event_ctx
,
254 lpcfg_parm_string_list(mem_ctx
, lp_ctx
, NULL
, "smb2", "ports", NULL
),
259 lpcfg_socket_options(lp_ctx
),
260 lpcfg_gensec_settings(mem_ctx
, lp_ctx
));
261 if (composite_nomem(subreq
, c
)) return c
;
262 tevent_req_set_callback(subreq
, continue_smb2_connect
, c
);
268 Receive result of a rpc connection to a rpc pipe on SMB2
270 static NTSTATUS
dcerpc_pipe_connect_ncacn_np_smb2_recv(struct composite_context
*c
)
272 NTSTATUS status
= composite_wait(c
);
279 struct pipe_ip_tcp_state
{
280 struct dcerpc_pipe_connect io
;
281 const char *localaddr
;
283 const char *target_hostname
;
289 Stage 2 of ncacn_ip_tcp: rpc pipe opened (or not)
291 static void continue_pipe_open_ncacn_ip_tcp(struct composite_context
*ctx
)
293 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
294 struct composite_context
);
296 /* receive result of named pipe open request on tcp/ip */
297 c
->status
= dcerpc_pipe_open_tcp_recv(ctx
);
298 if (!composite_is_ok(c
)) return;
305 Initiate async open of a rpc connection to a rpc pipe on TCP/IP using
306 the binding structure to determine the endpoint and options
308 static struct composite_context
* dcerpc_pipe_connect_ncacn_ip_tcp_send(TALLOC_CTX
*mem_ctx
,
309 struct dcerpc_pipe_connect
*io
)
311 struct composite_context
*c
;
312 struct pipe_ip_tcp_state
*s
;
313 struct composite_context
*pipe_req
;
315 /* composite context allocation and setup */
316 c
= composite_create(mem_ctx
, io
->pipe
->conn
->event_ctx
);
317 if (c
== NULL
) return NULL
;
319 s
= talloc_zero(c
, struct pipe_ip_tcp_state
);
320 if (composite_nomem(s
, c
)) return c
;
323 /* store input parameters in state structure */
325 s
->localaddr
= talloc_reference(c
, io
->binding
->localaddress
);
326 s
->host
= talloc_reference(c
, io
->binding
->host
);
327 s
->target_hostname
= talloc_reference(c
, io
->binding
->target_hostname
);
328 /* port number is a binding endpoint here */
329 s
->port
= atoi(io
->binding
->endpoint
);
331 /* send pipe open request on tcp/ip */
332 pipe_req
= dcerpc_pipe_open_tcp_send(s
->io
.pipe
->conn
, s
->localaddr
, s
->host
, s
->target_hostname
,
333 s
->port
, io
->resolve_ctx
);
334 composite_continue(c
, pipe_req
, continue_pipe_open_ncacn_ip_tcp
, c
);
340 Receive result of a rpc connection to a rpc pipe on TCP/IP
342 static NTSTATUS
dcerpc_pipe_connect_ncacn_ip_tcp_recv(struct composite_context
*c
)
344 NTSTATUS status
= composite_wait(c
);
351 struct pipe_unix_state
{
352 struct dcerpc_pipe_connect io
;
358 Stage 2 of ncacn_unix: rpc pipe opened (or not)
360 static void continue_pipe_open_ncacn_unix_stream(struct composite_context
*ctx
)
362 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
363 struct composite_context
);
365 /* receive result of pipe open request on unix socket */
366 c
->status
= dcerpc_pipe_open_unix_stream_recv(ctx
);
367 if (!composite_is_ok(c
)) return;
374 Initiate async open of a rpc connection to a rpc pipe on unix socket using
375 the binding structure to determine the endpoint and options
377 static struct composite_context
* dcerpc_pipe_connect_ncacn_unix_stream_send(TALLOC_CTX
*mem_ctx
,
378 struct dcerpc_pipe_connect
*io
)
380 struct composite_context
*c
;
381 struct pipe_unix_state
*s
;
382 struct composite_context
*pipe_req
;
384 /* composite context allocation and setup */
385 c
= composite_create(mem_ctx
, io
->pipe
->conn
->event_ctx
);
386 if (c
== NULL
) return NULL
;
388 s
= talloc_zero(c
, struct pipe_unix_state
);
389 if (composite_nomem(s
, c
)) return c
;
392 /* prepare pipe open parameters and store them in state structure
393 also, verify whether biding endpoint is not null */
396 if (!io
->binding
->endpoint
) {
397 DEBUG(0, ("Path to unix socket not specified\n"));
398 composite_error(c
, NT_STATUS_INVALID_PARAMETER
);
402 s
->path
= talloc_strdup(c
, io
->binding
->endpoint
); /* path is a binding endpoint here */
403 if (composite_nomem(s
->path
, c
)) return c
;
405 /* send pipe open request on unix socket */
406 pipe_req
= dcerpc_pipe_open_unix_stream_send(s
->io
.pipe
->conn
, s
->path
);
407 composite_continue(c
, pipe_req
, continue_pipe_open_ncacn_unix_stream
, c
);
413 Receive result of a rpc connection to a pipe on unix socket
415 static NTSTATUS
dcerpc_pipe_connect_ncacn_unix_stream_recv(struct composite_context
*c
)
417 NTSTATUS status
= composite_wait(c
);
424 struct pipe_ncalrpc_state
{
425 struct dcerpc_pipe_connect io
;
428 static NTSTATUS
dcerpc_pipe_connect_ncalrpc_recv(struct composite_context
*c
);
431 Stage 2 of ncalrpc: rpc pipe opened (or not)
433 static void continue_pipe_open_ncalrpc(struct composite_context
*ctx
)
435 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
436 struct composite_context
);
438 /* receive result of pipe open request on ncalrpc */
439 c
->status
= dcerpc_pipe_connect_ncalrpc_recv(ctx
);
440 if (!composite_is_ok(c
)) return;
447 Initiate async open of a rpc connection request on NCALRPC using
448 the binding structure to determine the endpoint and options
450 static struct composite_context
* dcerpc_pipe_connect_ncalrpc_send(TALLOC_CTX
*mem_ctx
,
451 struct dcerpc_pipe_connect
*io
, struct loadparm_context
*lp_ctx
)
453 struct composite_context
*c
;
454 struct pipe_ncalrpc_state
*s
;
455 struct composite_context
*pipe_req
;
457 /* composite context allocation and setup */
458 c
= composite_create(mem_ctx
, io
->pipe
->conn
->event_ctx
);
459 if (c
== NULL
) return NULL
;
461 s
= talloc_zero(c
, struct pipe_ncalrpc_state
);
462 if (composite_nomem(s
, c
)) return c
;
465 /* store input parameters in state structure */
468 /* send pipe open request */
469 pipe_req
= dcerpc_pipe_open_pipe_send(s
->io
.pipe
->conn
, lpcfg_ncalrpc_dir(lp_ctx
),
470 s
->io
.binding
->endpoint
);
471 composite_continue(c
, pipe_req
, continue_pipe_open_ncalrpc
, c
);
477 Receive result of a rpc connection to a rpc pipe on NCALRPC
479 static NTSTATUS
dcerpc_pipe_connect_ncalrpc_recv(struct composite_context
*c
)
481 NTSTATUS status
= composite_wait(c
);
488 struct pipe_connect_state
{
489 struct dcerpc_pipe
*pipe
;
490 struct dcerpc_binding
*binding
;
491 const struct ndr_interface_table
*table
;
492 struct cli_credentials
*credentials
;
493 struct loadparm_context
*lp_ctx
;
497 static void continue_map_binding(struct composite_context
*ctx
);
498 static void continue_connect(struct composite_context
*c
, struct pipe_connect_state
*s
);
499 static void continue_pipe_connect_ncacn_np_smb2(struct composite_context
*ctx
);
500 static void continue_pipe_connect_ncacn_np_smb(struct composite_context
*ctx
);
501 static void continue_pipe_connect_ncacn_ip_tcp(struct composite_context
*ctx
);
502 static void continue_pipe_connect_ncacn_unix(struct composite_context
*ctx
);
503 static void continue_pipe_connect_ncalrpc(struct composite_context
*ctx
);
504 static void continue_pipe_connect(struct composite_context
*c
, struct pipe_connect_state
*s
);
505 static void continue_pipe_auth(struct composite_context
*ctx
);
509 Stage 2 of pipe_connect_b: Receive result of endpoint mapping
511 static void continue_map_binding(struct composite_context
*ctx
)
513 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
514 struct composite_context
);
515 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
516 struct pipe_connect_state
);
518 c
->status
= dcerpc_epm_map_binding_recv(ctx
);
519 if (!composite_is_ok(c
)) return;
521 DEBUG(4,("Mapped to DCERPC endpoint %s\n", s
->binding
->endpoint
));
523 continue_connect(c
, s
);
528 Stage 2 of pipe_connect_b: Continue connection after endpoint is known
530 static void continue_connect(struct composite_context
*c
, struct pipe_connect_state
*s
)
532 struct dcerpc_pipe_connect pc
;
534 /* potential exits to another stage by sending an async request */
535 struct composite_context
*ncacn_np_smb2_req
;
536 struct composite_context
*ncacn_np_smb_req
;
537 struct composite_context
*ncacn_ip_tcp_req
;
538 struct composite_context
*ncacn_unix_req
;
539 struct composite_context
*ncalrpc_req
;
541 /* dcerpc pipe connect input parameters */
543 pc
.binding
= s
->binding
;
545 pc
.interface
= s
->table
;
546 pc
.creds
= s
->credentials
;
547 pc
.resolve_ctx
= lpcfg_resolve_context(s
->lp_ctx
);
549 /* connect dcerpc pipe depending on required transport */
550 switch (s
->binding
->transport
) {
552 if (pc
.binding
->flags
& DCERPC_SMB2
) {
553 /* new varient of SMB a.k.a. SMB2 */
554 ncacn_np_smb2_req
= dcerpc_pipe_connect_ncacn_np_smb2_send(c
, &pc
, s
->lp_ctx
);
555 composite_continue(c
, ncacn_np_smb2_req
, continue_pipe_connect_ncacn_np_smb2
, c
);
559 /* good old ordinary SMB */
560 ncacn_np_smb_req
= dcerpc_pipe_connect_ncacn_np_smb_send(c
, &pc
, s
->lp_ctx
);
561 composite_continue(c
, ncacn_np_smb_req
, continue_pipe_connect_ncacn_np_smb
, c
);
567 ncacn_ip_tcp_req
= dcerpc_pipe_connect_ncacn_ip_tcp_send(c
, &pc
);
568 composite_continue(c
, ncacn_ip_tcp_req
, continue_pipe_connect_ncacn_ip_tcp
, c
);
571 case NCACN_UNIX_STREAM
:
572 ncacn_unix_req
= dcerpc_pipe_connect_ncacn_unix_stream_send(c
, &pc
);
573 composite_continue(c
, ncacn_unix_req
, continue_pipe_connect_ncacn_unix
, c
);
577 ncalrpc_req
= dcerpc_pipe_connect_ncalrpc_send(c
, &pc
, s
->lp_ctx
);
578 composite_continue(c
, ncalrpc_req
, continue_pipe_connect_ncalrpc
, c
);
582 /* looks like a transport we don't support now */
583 composite_error(c
, NT_STATUS_NOT_SUPPORTED
);
589 Stage 3 of pipe_connect_b: Receive result of pipe connect request on
592 static void continue_pipe_connect_ncacn_np_smb2(struct composite_context
*ctx
)
594 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
595 struct composite_context
);
596 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
597 struct pipe_connect_state
);
599 c
->status
= dcerpc_pipe_connect_ncacn_np_smb2_recv(ctx
);
600 if (!composite_is_ok(c
)) return;
602 continue_pipe_connect(c
, s
);
607 Stage 3 of pipe_connect_b: Receive result of pipe connect request on
610 static void continue_pipe_connect_ncacn_np_smb(struct composite_context
*ctx
)
612 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
613 struct composite_context
);
614 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
615 struct pipe_connect_state
);
617 c
->status
= dcerpc_pipe_connect_ncacn_np_smb_recv(ctx
);
618 if (!composite_is_ok(c
)) return;
620 continue_pipe_connect(c
, s
);
625 Stage 3 of pipe_connect_b: Receive result of pipe connect request on tcp/ip
627 static void continue_pipe_connect_ncacn_ip_tcp(struct composite_context
*ctx
)
629 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
630 struct composite_context
);
631 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
632 struct pipe_connect_state
);
634 c
->status
= dcerpc_pipe_connect_ncacn_ip_tcp_recv(ctx
);
635 if (!composite_is_ok(c
)) return;
637 continue_pipe_connect(c
, s
);
642 Stage 3 of pipe_connect_b: Receive result of pipe connect request on unix socket
644 static void continue_pipe_connect_ncacn_unix(struct composite_context
*ctx
)
646 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
647 struct composite_context
);
648 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
649 struct pipe_connect_state
);
651 c
->status
= dcerpc_pipe_connect_ncacn_unix_stream_recv(ctx
);
652 if (!composite_is_ok(c
)) return;
654 continue_pipe_connect(c
, s
);
659 Stage 3 of pipe_connect_b: Receive result of pipe connect request on local rpc
661 static void continue_pipe_connect_ncalrpc(struct composite_context
*ctx
)
663 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
664 struct composite_context
);
665 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
,
666 struct pipe_connect_state
);
668 c
->status
= dcerpc_pipe_connect_ncalrpc_recv(ctx
);
669 if (!composite_is_ok(c
)) return;
671 continue_pipe_connect(c
, s
);
676 Stage 4 of pipe_connect_b: Start an authentication on connected dcerpc pipe
677 depending on credentials and binding flags passed.
679 static void continue_pipe_connect(struct composite_context
*c
, struct pipe_connect_state
*s
)
681 struct composite_context
*auth_bind_req
;
683 s
->pipe
->binding
= s
->binding
;
684 if (!talloc_reference(s
->pipe
, s
->binding
)) {
685 composite_error(c
, NT_STATUS_NO_MEMORY
);
689 auth_bind_req
= dcerpc_pipe_auth_send(s
->pipe
, s
->binding
, s
->table
,
690 s
->credentials
, s
->lp_ctx
);
691 composite_continue(c
, auth_bind_req
, continue_pipe_auth
, c
);
696 Stage 5 of pipe_connect_b: Receive result of pipe authentication request
697 and say if all went ok
699 static void continue_pipe_auth(struct composite_context
*ctx
)
701 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
702 struct composite_context
);
703 struct pipe_connect_state
*s
= talloc_get_type(c
->private_data
, struct pipe_connect_state
);
705 c
->status
= dcerpc_pipe_auth_recv(ctx
, s
, &s
->pipe
);
706 if (!composite_is_ok(c
)) return;
713 handle timeouts of a dcerpc connect
715 static void dcerpc_connect_timeout_handler(struct tevent_context
*ev
, struct tevent_timer
*te
,
716 struct timeval t
, void *private_data
)
718 struct composite_context
*c
= talloc_get_type(private_data
, struct composite_context
);
719 composite_error(c
, NT_STATUS_IO_TIMEOUT
);
723 start a request to open a rpc connection to a rpc pipe, using
724 specified binding structure to determine the endpoint and options
726 _PUBLIC_
struct composite_context
* dcerpc_pipe_connect_b_send(TALLOC_CTX
*parent_ctx
,
727 struct dcerpc_binding
*binding
,
728 const struct ndr_interface_table
*table
,
729 struct cli_credentials
*credentials
,
730 struct tevent_context
*ev
,
731 struct loadparm_context
*lp_ctx
)
733 struct composite_context
*c
;
734 struct pipe_connect_state
*s
;
735 struct tevent_context
*new_ev
= NULL
;
737 /* composite context allocation and setup */
738 c
= composite_create(parent_ctx
, ev
);
743 talloc_steal(c
, new_ev
);
745 s
= talloc_zero(c
, struct pipe_connect_state
);
746 if (composite_nomem(s
, c
)) return c
;
749 /* initialise dcerpc pipe structure */
750 s
->pipe
= dcerpc_pipe_init(c
, ev
);
751 if (composite_nomem(s
->pipe
, c
)) return c
;
753 if (DEBUGLEVEL
>= 10)
754 s
->pipe
->conn
->packet_log_dir
= lpcfg_lockdir(lp_ctx
);
756 /* store parameters in state structure */
757 s
->binding
= binding
;
759 s
->credentials
= credentials
;
762 tevent_add_timer(c
->event_ctx
, c
,
763 timeval_current_ofs(DCERPC_REQUEST_TIMEOUT
, 0),
764 dcerpc_connect_timeout_handler
, c
);
766 switch (s
->binding
->transport
) {
768 struct composite_context
*binding_req
;
769 binding_req
= dcerpc_epm_map_binding_send(c
, s
->binding
, s
->table
,
770 s
->pipe
->conn
->event_ctx
,
772 composite_continue(c
, binding_req
, continue_map_binding
, c
);
779 if (!s
->binding
->endpoint
) {
780 struct composite_context
*binding_req
;
781 binding_req
= dcerpc_epm_map_binding_send(c
, s
->binding
, s
->table
,
782 s
->pipe
->conn
->event_ctx
,
784 composite_continue(c
, binding_req
, continue_map_binding
, c
);
792 continue_connect(c
, s
);
798 receive result of a request to open a rpc connection to a rpc pipe
800 _PUBLIC_ NTSTATUS
dcerpc_pipe_connect_b_recv(struct composite_context
*c
, TALLOC_CTX
*mem_ctx
,
801 struct dcerpc_pipe
**p
)
804 struct pipe_connect_state
*s
;
806 status
= composite_wait(c
);
808 if (NT_STATUS_IS_OK(status
)) {
809 s
= talloc_get_type(c
->private_data
, struct pipe_connect_state
);
810 talloc_steal(mem_ctx
, s
->pipe
);
819 open a rpc connection to a rpc pipe, using the specified
820 binding structure to determine the endpoint and options - sync version
822 _PUBLIC_ NTSTATUS
dcerpc_pipe_connect_b(TALLOC_CTX
*parent_ctx
,
823 struct dcerpc_pipe
**pp
,
824 struct dcerpc_binding
*binding
,
825 const struct ndr_interface_table
*table
,
826 struct cli_credentials
*credentials
,
827 struct tevent_context
*ev
,
828 struct loadparm_context
*lp_ctx
)
830 struct composite_context
*c
;
832 c
= dcerpc_pipe_connect_b_send(parent_ctx
, binding
, table
,
833 credentials
, ev
, lp_ctx
);
834 return dcerpc_pipe_connect_b_recv(c
, parent_ctx
, pp
);
838 struct pipe_conn_state
{
839 struct dcerpc_pipe
*pipe
;
843 static void continue_pipe_connect_b(struct composite_context
*ctx
);
847 Initiate rpc connection to a rpc pipe, using the specified string
848 binding to determine the endpoint and options.
849 The string is to be parsed to a binding structure first.
851 _PUBLIC_
struct composite_context
* dcerpc_pipe_connect_send(TALLOC_CTX
*parent_ctx
,
853 const struct ndr_interface_table
*table
,
854 struct cli_credentials
*credentials
,
855 struct tevent_context
*ev
, struct loadparm_context
*lp_ctx
)
857 struct composite_context
*c
;
858 struct pipe_conn_state
*s
;
859 struct dcerpc_binding
*b
;
860 struct composite_context
*pipe_conn_req
;
862 /* composite context allocation and setup */
863 c
= composite_create(parent_ctx
, ev
);
868 s
= talloc_zero(c
, struct pipe_conn_state
);
869 if (composite_nomem(s
, c
)) return c
;
872 /* parse binding string to the structure */
873 c
->status
= dcerpc_parse_binding(c
, binding
, &b
);
874 if (!NT_STATUS_IS_OK(c
->status
)) {
875 DEBUG(0, ("Failed to parse dcerpc binding '%s'\n", binding
));
876 composite_error(c
, c
->status
);
880 DEBUG(3, ("Using binding %s\n", dcerpc_binding_string(c
, b
)));
883 start connecting to a rpc pipe after binding structure
886 pipe_conn_req
= dcerpc_pipe_connect_b_send(c
, b
, table
,
887 credentials
, ev
, lp_ctx
);
888 composite_continue(c
, pipe_conn_req
, continue_pipe_connect_b
, c
);
894 Stage 2 of pipe_connect: Receive result of actual pipe connect request
895 and say if we're done ok
897 static void continue_pipe_connect_b(struct composite_context
*ctx
)
899 struct composite_context
*c
= talloc_get_type(ctx
->async
.private_data
,
900 struct composite_context
);
901 struct pipe_conn_state
*s
= talloc_get_type(c
->private_data
,
902 struct pipe_conn_state
);
904 c
->status
= dcerpc_pipe_connect_b_recv(ctx
, c
, &s
->pipe
);
905 talloc_steal(s
, s
->pipe
);
906 if (!composite_is_ok(c
)) return;
913 Receive result of pipe connect (using binding string) request
914 and return connected pipe structure.
916 NTSTATUS
dcerpc_pipe_connect_recv(struct composite_context
*c
,
918 struct dcerpc_pipe
**pp
)
921 struct pipe_conn_state
*s
;
923 status
= composite_wait(c
);
924 if (NT_STATUS_IS_OK(status
)) {
925 s
= talloc_get_type(c
->private_data
, struct pipe_conn_state
);
926 *pp
= talloc_steal(mem_ctx
, s
->pipe
);
934 Open a rpc connection to a rpc pipe, using the specified string
935 binding to determine the endpoint and options - sync version
937 _PUBLIC_ NTSTATUS
dcerpc_pipe_connect(TALLOC_CTX
*parent_ctx
,
938 struct dcerpc_pipe
**pp
,
940 const struct ndr_interface_table
*table
,
941 struct cli_credentials
*credentials
,
942 struct tevent_context
*ev
,
943 struct loadparm_context
*lp_ctx
)
945 struct composite_context
*c
;
946 c
= dcerpc_pipe_connect_send(parent_ctx
, binding
,
947 table
, credentials
, ev
, lp_ctx
);
948 return dcerpc_pipe_connect_recv(c
, parent_ctx
, pp
);