2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client routines
4 * Largely rewritten by Jeremy Allison 2005.
5 * Heavily modified by Simo Sorce 2010.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "librpc/gen_ndr/cli_epmapper.h"
23 #include "../librpc/gen_ndr/ndr_schannel.h"
24 #include "../librpc/gen_ndr/ndr_dssetup.h"
25 #include "../libcli/auth/schannel.h"
26 #include "../libcli/auth/spnego.h"
28 #include "../libcli/auth/ntlmssp.h"
29 #include "ntlmssp_wrap.h"
30 #include "librpc/gen_ndr/ndr_dcerpc.h"
31 #include "librpc/rpc/dcerpc.h"
32 #include "librpc/crypto/gse.h"
33 #include "librpc/crypto/spnego.h"
37 #define DBGC_CLASS DBGC_RPC_CLI
39 /********************************************************************
40 Pipe description for a DEBUG
41 ********************************************************************/
42 static const char *rpccli_pipe_txt(TALLOC_CTX
*mem_ctx
,
43 struct rpc_pipe_client
*cli
)
45 char *result
= talloc_asprintf(mem_ctx
, "host %s", cli
->desthost
);
52 /********************************************************************
54 ********************************************************************/
56 static uint32
get_rpc_call_id(void)
58 static uint32 call_id
= 0;
62 /*******************************************************************
63 Use SMBreadX to get rest of one fragment's worth of rpc data.
64 Reads the whole size or give an error message
65 ********************************************************************/
67 struct rpc_read_state
{
68 struct event_context
*ev
;
69 struct rpc_cli_transport
*transport
;
75 static void rpc_read_done(struct tevent_req
*subreq
);
77 static struct tevent_req
*rpc_read_send(TALLOC_CTX
*mem_ctx
,
78 struct event_context
*ev
,
79 struct rpc_cli_transport
*transport
,
80 uint8_t *data
, size_t size
)
82 struct tevent_req
*req
, *subreq
;
83 struct rpc_read_state
*state
;
85 req
= tevent_req_create(mem_ctx
, &state
, struct rpc_read_state
);
90 state
->transport
= transport
;
95 DEBUG(5, ("rpc_read_send: data_to_read: %u\n", (unsigned int)size
));
97 subreq
= transport
->read_send(state
, ev
, (uint8_t *)data
, size
,
102 tevent_req_set_callback(subreq
, rpc_read_done
, req
);
110 static void rpc_read_done(struct tevent_req
*subreq
)
112 struct tevent_req
*req
= tevent_req_callback_data(
113 subreq
, struct tevent_req
);
114 struct rpc_read_state
*state
= tevent_req_data(
115 req
, struct rpc_read_state
);
119 status
= state
->transport
->read_recv(subreq
, &received
);
121 if (!NT_STATUS_IS_OK(status
)) {
122 tevent_req_nterror(req
, status
);
126 state
->num_read
+= received
;
127 if (state
->num_read
== state
->size
) {
128 tevent_req_done(req
);
132 subreq
= state
->transport
->read_send(state
, state
->ev
,
133 state
->data
+ state
->num_read
,
134 state
->size
- state
->num_read
,
135 state
->transport
->priv
);
136 if (tevent_req_nomem(subreq
, req
)) {
139 tevent_req_set_callback(subreq
, rpc_read_done
, req
);
142 static NTSTATUS
rpc_read_recv(struct tevent_req
*req
)
144 return tevent_req_simple_recv_ntstatus(req
);
147 struct rpc_write_state
{
148 struct event_context
*ev
;
149 struct rpc_cli_transport
*transport
;
155 static void rpc_write_done(struct tevent_req
*subreq
);
157 static struct tevent_req
*rpc_write_send(TALLOC_CTX
*mem_ctx
,
158 struct event_context
*ev
,
159 struct rpc_cli_transport
*transport
,
160 const uint8_t *data
, size_t size
)
162 struct tevent_req
*req
, *subreq
;
163 struct rpc_write_state
*state
;
165 req
= tevent_req_create(mem_ctx
, &state
, struct rpc_write_state
);
170 state
->transport
= transport
;
173 state
->num_written
= 0;
175 DEBUG(5, ("rpc_write_send: data_to_write: %u\n", (unsigned int)size
));
177 subreq
= transport
->write_send(state
, ev
, data
, size
, transport
->priv
);
178 if (subreq
== NULL
) {
181 tevent_req_set_callback(subreq
, rpc_write_done
, req
);
188 static void rpc_write_done(struct tevent_req
*subreq
)
190 struct tevent_req
*req
= tevent_req_callback_data(
191 subreq
, struct tevent_req
);
192 struct rpc_write_state
*state
= tevent_req_data(
193 req
, struct rpc_write_state
);
197 status
= state
->transport
->write_recv(subreq
, &written
);
199 if (!NT_STATUS_IS_OK(status
)) {
200 tevent_req_nterror(req
, status
);
204 state
->num_written
+= written
;
206 if (state
->num_written
== state
->size
) {
207 tevent_req_done(req
);
211 subreq
= state
->transport
->write_send(state
, state
->ev
,
212 state
->data
+ state
->num_written
,
213 state
->size
- state
->num_written
,
214 state
->transport
->priv
);
215 if (tevent_req_nomem(subreq
, req
)) {
218 tevent_req_set_callback(subreq
, rpc_write_done
, req
);
221 static NTSTATUS
rpc_write_recv(struct tevent_req
*req
)
223 return tevent_req_simple_recv_ntstatus(req
);
227 /****************************************************************************
228 Try and get a PDU's worth of data from current_pdu. If not, then read more
230 ****************************************************************************/
232 struct get_complete_frag_state
{
233 struct event_context
*ev
;
234 struct rpc_pipe_client
*cli
;
239 static void get_complete_frag_got_header(struct tevent_req
*subreq
);
240 static void get_complete_frag_got_rest(struct tevent_req
*subreq
);
242 static struct tevent_req
*get_complete_frag_send(TALLOC_CTX
*mem_ctx
,
243 struct event_context
*ev
,
244 struct rpc_pipe_client
*cli
,
247 struct tevent_req
*req
, *subreq
;
248 struct get_complete_frag_state
*state
;
252 req
= tevent_req_create(mem_ctx
, &state
,
253 struct get_complete_frag_state
);
259 state
->frag_len
= RPC_HEADER_LEN
;
262 received
= pdu
->length
;
263 if (received
< RPC_HEADER_LEN
) {
264 if (!data_blob_realloc(mem_ctx
, pdu
, RPC_HEADER_LEN
)) {
265 status
= NT_STATUS_NO_MEMORY
;
268 subreq
= rpc_read_send(state
, state
->ev
,
269 state
->cli
->transport
,
270 pdu
->data
+ received
,
271 RPC_HEADER_LEN
- received
);
272 if (subreq
== NULL
) {
273 status
= NT_STATUS_NO_MEMORY
;
276 tevent_req_set_callback(subreq
, get_complete_frag_got_header
,
281 state
->frag_len
= dcerpc_get_frag_length(pdu
);
284 * Ensure we have frag_len bytes of data.
286 if (received
< state
->frag_len
) {
287 if (!data_blob_realloc(NULL
, pdu
, state
->frag_len
)) {
288 status
= NT_STATUS_NO_MEMORY
;
291 subreq
= rpc_read_send(state
, state
->ev
,
292 state
->cli
->transport
,
293 pdu
->data
+ received
,
294 state
->frag_len
- received
);
295 if (subreq
== NULL
) {
296 status
= NT_STATUS_NO_MEMORY
;
299 tevent_req_set_callback(subreq
, get_complete_frag_got_rest
,
304 status
= NT_STATUS_OK
;
306 if (NT_STATUS_IS_OK(status
)) {
307 tevent_req_done(req
);
309 tevent_req_nterror(req
, status
);
311 return tevent_req_post(req
, ev
);
314 static void get_complete_frag_got_header(struct tevent_req
*subreq
)
316 struct tevent_req
*req
= tevent_req_callback_data(
317 subreq
, struct tevent_req
);
318 struct get_complete_frag_state
*state
= tevent_req_data(
319 req
, struct get_complete_frag_state
);
322 status
= rpc_read_recv(subreq
);
324 if (!NT_STATUS_IS_OK(status
)) {
325 tevent_req_nterror(req
, status
);
329 state
->frag_len
= dcerpc_get_frag_length(state
->pdu
);
331 if (!data_blob_realloc(NULL
, state
->pdu
, state
->frag_len
)) {
332 tevent_req_nterror(req
, NT_STATUS_NO_MEMORY
);
337 * We're here in this piece of code because we've read exactly
338 * RPC_HEADER_LEN bytes into state->pdu.
341 subreq
= rpc_read_send(state
, state
->ev
, state
->cli
->transport
,
342 state
->pdu
->data
+ RPC_HEADER_LEN
,
343 state
->frag_len
- RPC_HEADER_LEN
);
344 if (tevent_req_nomem(subreq
, req
)) {
347 tevent_req_set_callback(subreq
, get_complete_frag_got_rest
, req
);
350 static void get_complete_frag_got_rest(struct tevent_req
*subreq
)
352 struct tevent_req
*req
= tevent_req_callback_data(
353 subreq
, struct tevent_req
);
356 status
= rpc_read_recv(subreq
);
358 if (!NT_STATUS_IS_OK(status
)) {
359 tevent_req_nterror(req
, status
);
362 tevent_req_done(req
);
365 static NTSTATUS
get_complete_frag_recv(struct tevent_req
*req
)
367 return tevent_req_simple_recv_ntstatus(req
);
370 /****************************************************************************
371 Do basic authentication checks on an incoming pdu.
372 ****************************************************************************/
374 static NTSTATUS
cli_pipe_validate_current_pdu(TALLOC_CTX
*mem_ctx
,
375 struct rpc_pipe_client
*cli
,
376 struct ncacn_packet
*pkt
,
378 uint8_t expected_pkt_type
,
380 DATA_BLOB
*reply_pdu
)
382 struct dcerpc_response
*r
;
383 NTSTATUS ret
= NT_STATUS_OK
;
387 * Point the return values at the real data including the RPC
388 * header. Just in case the caller wants it.
392 /* Ensure we have the correct type. */
393 switch (pkt
->ptype
) {
394 case DCERPC_PKT_ALTER_RESP
:
395 case DCERPC_PKT_BIND_ACK
:
397 /* Client code never receives this kind of packets */
401 case DCERPC_PKT_RESPONSE
:
403 r
= &pkt
->u
.response
;
405 /* Here's where we deal with incoming sign/seal. */
406 ret
= dcerpc_check_auth(cli
->auth
, pkt
,
407 &r
->stub_and_verifier
,
408 DCERPC_RESPONSE_LENGTH
,
410 if (!NT_STATUS_IS_OK(ret
)) {
414 if (pkt
->frag_length
< DCERPC_RESPONSE_LENGTH
+ pad_len
) {
415 return NT_STATUS_BUFFER_TOO_SMALL
;
418 /* Point the return values at the NDR data. */
419 rdata
->data
= r
->stub_and_verifier
.data
;
421 if (pkt
->auth_length
) {
422 /* We've already done integer wrap tests in
423 * dcerpc_check_auth(). */
424 rdata
->length
= r
->stub_and_verifier
.length
426 - DCERPC_AUTH_TRAILER_LENGTH
429 rdata
->length
= r
->stub_and_verifier
.length
;
432 DEBUG(10, ("Got pdu len %lu, data_len %lu, ss_len %u\n",
433 (long unsigned int)pdu
->length
,
434 (long unsigned int)rdata
->length
,
435 (unsigned int)pad_len
));
438 * If this is the first reply, and the allocation hint is
439 * reasonable, try and set up the reply_pdu DATA_BLOB to the
443 if ((reply_pdu
->length
== 0) &&
444 r
->alloc_hint
&& (r
->alloc_hint
< 15*1024*1024)) {
445 if (!data_blob_realloc(mem_ctx
, reply_pdu
,
447 DEBUG(0, ("reply alloc hint %d too "
448 "large to allocate\n",
449 (int)r
->alloc_hint
));
450 return NT_STATUS_NO_MEMORY
;
456 case DCERPC_PKT_BIND_NAK
:
457 DEBUG(1, (__location__
": Bind NACK received from %s!\n",
458 rpccli_pipe_txt(talloc_tos(), cli
)));
459 /* Use this for now... */
460 return NT_STATUS_NETWORK_ACCESS_DENIED
;
462 case DCERPC_PKT_FAULT
:
464 DEBUG(1, (__location__
": RPC fault code %s received "
466 dcerpc_errstr(talloc_tos(),
467 pkt
->u
.fault
.status
),
468 rpccli_pipe_txt(talloc_tos(), cli
)));
470 if (NT_STATUS_IS_OK(NT_STATUS(pkt
->u
.fault
.status
))) {
471 return NT_STATUS_UNSUCCESSFUL
;
473 return NT_STATUS(pkt
->u
.fault
.status
);
477 DEBUG(0, (__location__
"Unknown packet type %u received "
479 (unsigned int)pkt
->ptype
,
480 rpccli_pipe_txt(talloc_tos(), cli
)));
481 return NT_STATUS_INVALID_INFO_CLASS
;
484 if (pkt
->ptype
!= expected_pkt_type
) {
485 DEBUG(3, (__location__
": Connection to %s got an unexpected "
486 "RPC packet type - %u, not %u\n",
487 rpccli_pipe_txt(talloc_tos(), cli
),
488 pkt
->ptype
, expected_pkt_type
));
489 return NT_STATUS_INVALID_INFO_CLASS
;
492 /* Do this just before return - we don't want to modify any rpc header
493 data before now as we may have needed to do cryptographic actions on
496 if ((pkt
->ptype
== DCERPC_PKT_BIND_ACK
) &&
497 !(pkt
->pfc_flags
& DCERPC_PFC_FLAG_LAST
)) {
498 DEBUG(5, (__location__
": bug in server (AS/U?), setting "
499 "fragment first/last ON.\n"));
500 pkt
->pfc_flags
|= DCERPC_PFC_FLAG_FIRST
| DCERPC_PFC_FLAG_LAST
;
506 /****************************************************************************
507 Call a remote api on an arbitrary pipe. takes param, data and setup buffers.
508 ****************************************************************************/
510 struct cli_api_pipe_state
{
511 struct event_context
*ev
;
512 struct rpc_cli_transport
*transport
;
517 static void cli_api_pipe_trans_done(struct tevent_req
*subreq
);
518 static void cli_api_pipe_write_done(struct tevent_req
*subreq
);
519 static void cli_api_pipe_read_done(struct tevent_req
*subreq
);
521 static struct tevent_req
*cli_api_pipe_send(TALLOC_CTX
*mem_ctx
,
522 struct event_context
*ev
,
523 struct rpc_cli_transport
*transport
,
524 uint8_t *data
, size_t data_len
,
525 uint32_t max_rdata_len
)
527 struct tevent_req
*req
, *subreq
;
528 struct cli_api_pipe_state
*state
;
531 req
= tevent_req_create(mem_ctx
, &state
, struct cli_api_pipe_state
);
536 state
->transport
= transport
;
538 if (max_rdata_len
< RPC_HEADER_LEN
) {
540 * For a RPC reply we always need at least RPC_HEADER_LEN
541 * bytes. We check this here because we will receive
542 * RPC_HEADER_LEN bytes in cli_trans_sock_send_done.
544 status
= NT_STATUS_INVALID_PARAMETER
;
548 if (transport
->trans_send
!= NULL
) {
549 subreq
= transport
->trans_send(state
, ev
, data
, data_len
,
550 max_rdata_len
, transport
->priv
);
551 if (subreq
== NULL
) {
554 tevent_req_set_callback(subreq
, cli_api_pipe_trans_done
, req
);
559 * If the transport does not provide a "trans" routine, i.e. for
560 * example the ncacn_ip_tcp transport, do the write/read step here.
563 subreq
= rpc_write_send(state
, ev
, transport
, data
, data_len
);
564 if (subreq
== NULL
) {
567 tevent_req_set_callback(subreq
, cli_api_pipe_write_done
, req
);
571 tevent_req_nterror(req
, status
);
572 return tevent_req_post(req
, ev
);
578 static void cli_api_pipe_trans_done(struct tevent_req
*subreq
)
580 struct tevent_req
*req
= tevent_req_callback_data(
581 subreq
, struct tevent_req
);
582 struct cli_api_pipe_state
*state
= tevent_req_data(
583 req
, struct cli_api_pipe_state
);
586 status
= state
->transport
->trans_recv(subreq
, state
, &state
->rdata
,
589 if (!NT_STATUS_IS_OK(status
)) {
590 tevent_req_nterror(req
, status
);
593 tevent_req_done(req
);
596 static void cli_api_pipe_write_done(struct tevent_req
*subreq
)
598 struct tevent_req
*req
= tevent_req_callback_data(
599 subreq
, struct tevent_req
);
600 struct cli_api_pipe_state
*state
= tevent_req_data(
601 req
, struct cli_api_pipe_state
);
604 status
= rpc_write_recv(subreq
);
606 if (!NT_STATUS_IS_OK(status
)) {
607 tevent_req_nterror(req
, status
);
611 state
->rdata
= TALLOC_ARRAY(state
, uint8_t, RPC_HEADER_LEN
);
612 if (tevent_req_nomem(state
->rdata
, req
)) {
617 * We don't need to use rpc_read_send here, the upper layer will cope
618 * with a short read, transport->trans_send could also return less
619 * than state->max_rdata_len.
621 subreq
= state
->transport
->read_send(state
, state
->ev
, state
->rdata
,
623 state
->transport
->priv
);
624 if (tevent_req_nomem(subreq
, req
)) {
627 tevent_req_set_callback(subreq
, cli_api_pipe_read_done
, req
);
630 static void cli_api_pipe_read_done(struct tevent_req
*subreq
)
632 struct tevent_req
*req
= tevent_req_callback_data(
633 subreq
, struct tevent_req
);
634 struct cli_api_pipe_state
*state
= tevent_req_data(
635 req
, struct cli_api_pipe_state
);
639 status
= state
->transport
->read_recv(subreq
, &received
);
641 if (!NT_STATUS_IS_OK(status
)) {
642 tevent_req_nterror(req
, status
);
645 state
->rdata_len
= received
;
646 tevent_req_done(req
);
649 static NTSTATUS
cli_api_pipe_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
650 uint8_t **prdata
, uint32_t *prdata_len
)
652 struct cli_api_pipe_state
*state
= tevent_req_data(
653 req
, struct cli_api_pipe_state
);
656 if (tevent_req_is_nterror(req
, &status
)) {
660 *prdata
= talloc_move(mem_ctx
, &state
->rdata
);
661 *prdata_len
= state
->rdata_len
;
665 /****************************************************************************
666 Send data on an rpc pipe via trans. The data must be the last
667 pdu fragment of an NDR data stream.
669 Receive response data from an rpc pipe, which may be large...
671 Read the first fragment: unfortunately have to use SMBtrans for the first
672 bit, then SMBreadX for subsequent bits.
674 If first fragment received also wasn't the last fragment, continue
675 getting fragments until we _do_ receive the last fragment.
677 Request/Response PDU's look like the following...
679 |<------------------PDU len----------------------------------------------->|
680 |<-HDR_LEN-->|<--REQ LEN------>|.............|<-AUTH_HDRLEN->|<-AUTH_LEN-->|
682 +------------+-----------------+-------------+---------------+-------------+
683 | RPC HEADER | REQ/RESP HEADER | DATA ...... | AUTH_HDR | AUTH DATA |
684 +------------+-----------------+-------------+---------------+-------------+
686 Where the presence of the AUTH_HDR and AUTH DATA are dependent on the
687 signing & sealing being negotiated.
689 ****************************************************************************/
691 struct rpc_api_pipe_state
{
692 struct event_context
*ev
;
693 struct rpc_pipe_client
*cli
;
694 uint8_t expected_pkt_type
;
696 DATA_BLOB incoming_frag
;
697 struct ncacn_packet
*pkt
;
701 size_t reply_pdu_offset
;
705 static void rpc_api_pipe_trans_done(struct tevent_req
*subreq
);
706 static void rpc_api_pipe_got_pdu(struct tevent_req
*subreq
);
707 static void rpc_api_pipe_auth3_done(struct tevent_req
*subreq
);
709 static struct tevent_req
*rpc_api_pipe_send(TALLOC_CTX
*mem_ctx
,
710 struct event_context
*ev
,
711 struct rpc_pipe_client
*cli
,
712 DATA_BLOB
*data
, /* Outgoing PDU */
713 uint8_t expected_pkt_type
)
715 struct tevent_req
*req
, *subreq
;
716 struct rpc_api_pipe_state
*state
;
717 uint16_t max_recv_frag
;
720 req
= tevent_req_create(mem_ctx
, &state
, struct rpc_api_pipe_state
);
726 state
->expected_pkt_type
= expected_pkt_type
;
727 state
->incoming_frag
= data_blob_null
;
728 state
->reply_pdu
= data_blob_null
;
729 state
->reply_pdu_offset
= 0;
730 state
->endianess
= DCERPC_DREP_LE
;
733 * Ensure we're not sending too much.
735 if (data
->length
> cli
->max_xmit_frag
) {
736 status
= NT_STATUS_INVALID_PARAMETER
;
740 DEBUG(5,("rpc_api_pipe: %s\n", rpccli_pipe_txt(talloc_tos(), cli
)));
742 if (state
->expected_pkt_type
== DCERPC_PKT_AUTH3
) {
743 subreq
= rpc_write_send(state
, ev
, cli
->transport
,
744 data
->data
, data
->length
);
745 if (subreq
== NULL
) {
748 tevent_req_set_callback(subreq
, rpc_api_pipe_auth3_done
, req
);
752 /* get the header first, then fetch the rest once we have
753 * the frag_length available */
754 max_recv_frag
= RPC_HEADER_LEN
;
756 subreq
= cli_api_pipe_send(state
, ev
, cli
->transport
,
757 data
->data
, data
->length
, max_recv_frag
);
758 if (subreq
== NULL
) {
761 tevent_req_set_callback(subreq
, rpc_api_pipe_trans_done
, req
);
765 tevent_req_nterror(req
, status
);
766 return tevent_req_post(req
, ev
);
772 static void rpc_api_pipe_auth3_done(struct tevent_req
*subreq
)
774 struct tevent_req
*req
=
775 tevent_req_callback_data(subreq
,
779 status
= rpc_write_recv(subreq
);
781 if (!NT_STATUS_IS_OK(status
)) {
782 tevent_req_nterror(req
, status
);
786 tevent_req_done(req
);
789 static void rpc_api_pipe_trans_done(struct tevent_req
*subreq
)
791 struct tevent_req
*req
= tevent_req_callback_data(
792 subreq
, struct tevent_req
);
793 struct rpc_api_pipe_state
*state
= tevent_req_data(
794 req
, struct rpc_api_pipe_state
);
796 uint8_t *rdata
= NULL
;
797 uint32_t rdata_len
= 0;
799 status
= cli_api_pipe_recv(subreq
, state
, &rdata
, &rdata_len
);
801 if (!NT_STATUS_IS_OK(status
)) {
802 DEBUG(5, ("cli_api_pipe failed: %s\n", nt_errstr(status
)));
803 tevent_req_nterror(req
, status
);
808 DEBUG(3,("rpc_api_pipe: %s failed to return data.\n",
809 rpccli_pipe_txt(talloc_tos(), state
->cli
)));
810 tevent_req_done(req
);
815 * Move data on state->incoming_frag.
817 state
->incoming_frag
.data
= talloc_move(state
, &rdata
);
818 state
->incoming_frag
.length
= rdata_len
;
819 if (!state
->incoming_frag
.data
) {
820 tevent_req_nterror(req
, NT_STATUS_NO_MEMORY
);
824 /* Ensure we have enough data for a pdu. */
825 subreq
= get_complete_frag_send(state
, state
->ev
, state
->cli
,
826 &state
->incoming_frag
);
827 if (tevent_req_nomem(subreq
, req
)) {
830 tevent_req_set_callback(subreq
, rpc_api_pipe_got_pdu
, req
);
833 static void rpc_api_pipe_got_pdu(struct tevent_req
*subreq
)
835 struct tevent_req
*req
= tevent_req_callback_data(
836 subreq
, struct tevent_req
);
837 struct rpc_api_pipe_state
*state
= tevent_req_data(
838 req
, struct rpc_api_pipe_state
);
840 DATA_BLOB rdata
= data_blob_null
;
842 status
= get_complete_frag_recv(subreq
);
844 if (!NT_STATUS_IS_OK(status
)) {
845 DEBUG(5, ("get_complete_frag failed: %s\n",
847 tevent_req_nterror(req
, status
);
851 state
->pkt
= talloc(state
, struct ncacn_packet
);
853 tevent_req_nterror(req
, NT_STATUS_NO_MEMORY
);
857 status
= dcerpc_pull_ncacn_packet(state
->pkt
,
858 &state
->incoming_frag
,
861 if (!NT_STATUS_IS_OK(status
)) {
862 tevent_req_nterror(req
, status
);
866 if (state
->incoming_frag
.length
!= state
->pkt
->frag_length
) {
867 DEBUG(5, ("Incorrect pdu length %u, expected %u\n",
868 (unsigned int)state
->incoming_frag
.length
,
869 (unsigned int)state
->pkt
->frag_length
));
870 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
874 status
= cli_pipe_validate_current_pdu(state
,
875 state
->cli
, state
->pkt
,
876 &state
->incoming_frag
,
877 state
->expected_pkt_type
,
881 DEBUG(10,("rpc_api_pipe: got frag len of %u at offset %u: %s\n",
882 (unsigned)state
->incoming_frag
.length
,
883 (unsigned)state
->reply_pdu_offset
,
886 if (!NT_STATUS_IS_OK(status
)) {
887 tevent_req_nterror(req
, status
);
891 if ((state
->pkt
->pfc_flags
& DCERPC_PFC_FLAG_FIRST
)
892 && (state
->pkt
->drep
[0] != DCERPC_DREP_LE
)) {
894 * Set the data type correctly for big-endian data on the
897 DEBUG(10,("rpc_api_pipe: On %s PDU data format is "
899 rpccli_pipe_txt(talloc_tos(), state
->cli
)));
900 state
->endianess
= 0x00; /* BIG ENDIAN */
903 * Check endianness on subsequent packets.
905 if (state
->endianess
!= state
->pkt
->drep
[0]) {
906 DEBUG(0,("rpc_api_pipe: Error : Endianness changed from %s to "
908 state
->endianess
?"little":"big",
909 state
->pkt
->drep
[0]?"little":"big"));
910 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
914 /* Now copy the data portion out of the pdu into rbuf. */
915 if (state
->reply_pdu
.length
< state
->reply_pdu_offset
+ rdata
.length
) {
916 if (!data_blob_realloc(NULL
, &state
->reply_pdu
,
917 state
->reply_pdu_offset
+ rdata
.length
)) {
918 tevent_req_nterror(req
, NT_STATUS_NO_MEMORY
);
923 memcpy(state
->reply_pdu
.data
+ state
->reply_pdu_offset
,
924 rdata
.data
, rdata
.length
);
925 state
->reply_pdu_offset
+= rdata
.length
;
927 /* reset state->incoming_frag, there is no need to free it,
928 * it will be reallocated to the right size the next time
930 state
->incoming_frag
.length
= 0;
932 if (state
->pkt
->pfc_flags
& DCERPC_PFC_FLAG_LAST
) {
933 /* make sure the pdu length is right now that we
934 * have all the data available (alloc hint may
935 * have allocated more than was actually used) */
936 state
->reply_pdu
.length
= state
->reply_pdu_offset
;
937 DEBUG(10,("rpc_api_pipe: %s returned %u bytes.\n",
938 rpccli_pipe_txt(talloc_tos(), state
->cli
),
939 (unsigned)state
->reply_pdu
.length
));
940 tevent_req_done(req
);
944 subreq
= get_complete_frag_send(state
, state
->ev
, state
->cli
,
945 &state
->incoming_frag
);
946 if (tevent_req_nomem(subreq
, req
)) {
949 tevent_req_set_callback(subreq
, rpc_api_pipe_got_pdu
, req
);
952 static NTSTATUS
rpc_api_pipe_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
953 struct ncacn_packet
**pkt
,
954 DATA_BLOB
*reply_pdu
)
956 struct rpc_api_pipe_state
*state
= tevent_req_data(
957 req
, struct rpc_api_pipe_state
);
960 if (tevent_req_is_nterror(req
, &status
)) {
964 /* return data to caller and assign it ownership of memory */
966 reply_pdu
->data
= talloc_move(mem_ctx
, &state
->reply_pdu
.data
);
967 reply_pdu
->length
= state
->reply_pdu
.length
;
968 state
->reply_pdu
.length
= 0;
970 data_blob_free(&state
->reply_pdu
);
974 *pkt
= talloc_steal(mem_ctx
, state
->pkt
);
980 /*******************************************************************
981 Creates spnego auth bind.
982 ********************************************************************/
984 static NTSTATUS
create_spnego_auth_bind_req(TALLOC_CTX
*mem_ctx
,
985 struct pipe_auth_data
*auth
,
986 DATA_BLOB
*auth_token
)
988 DATA_BLOB in_token
= data_blob_null
;
991 /* Negotiate the initial auth token */
992 status
= spnego_get_client_auth_token(mem_ctx
,
993 auth
->a_u
.spnego_state
,
994 &in_token
, auth_token
);
995 if (!NT_STATUS_IS_OK(status
)) {
999 DEBUG(5, ("Created GSS Authentication Token:\n"));
1000 dump_data(5, auth_token
->data
, auth_token
->length
);
1002 return NT_STATUS_OK
;
1005 /*******************************************************************
1006 Creates krb5 auth bind.
1007 ********************************************************************/
1009 static NTSTATUS
create_gssapi_auth_bind_req(TALLOC_CTX
*mem_ctx
,
1010 struct pipe_auth_data
*auth
,
1011 DATA_BLOB
*auth_token
)
1013 DATA_BLOB in_token
= data_blob_null
;
1016 /* Negotiate the initial auth token */
1017 status
= gse_get_client_auth_token(mem_ctx
,
1018 auth
->a_u
.gssapi_state
,
1021 if (!NT_STATUS_IS_OK(status
)) {
1025 DEBUG(5, ("Created GSS Authentication Token:\n"));
1026 dump_data(5, auth_token
->data
, auth_token
->length
);
1028 return NT_STATUS_OK
;
1031 /*******************************************************************
1032 Creates NTLMSSP auth bind.
1033 ********************************************************************/
1035 static NTSTATUS
create_ntlmssp_auth_rpc_bind_req(struct rpc_pipe_client
*cli
,
1036 DATA_BLOB
*auth_token
)
1039 DATA_BLOB null_blob
= data_blob_null
;
1041 DEBUG(5, ("create_ntlmssp_auth_rpc_bind_req: Processing NTLMSSP Negotiate\n"));
1042 status
= auth_ntlmssp_update(cli
->auth
->a_u
.auth_ntlmssp_state
,
1043 null_blob
, auth_token
);
1045 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1046 data_blob_free(auth_token
);
1050 DEBUG(5, ("create_ntlmssp_auth_rpc_bind_req: NTLMSSP Negotiate:\n"));
1051 dump_data(5, auth_token
->data
, auth_token
->length
);
1053 return NT_STATUS_OK
;
1056 /*******************************************************************
1057 Creates schannel auth bind.
1058 ********************************************************************/
1060 static NTSTATUS
create_schannel_auth_rpc_bind_req(struct rpc_pipe_client
*cli
,
1061 DATA_BLOB
*auth_token
)
1064 struct NL_AUTH_MESSAGE r
;
1066 /* Use lp_workgroup() if domain not specified */
1068 if (!cli
->auth
->domain
|| !cli
->auth
->domain
[0]) {
1069 cli
->auth
->domain
= talloc_strdup(cli
, lp_workgroup());
1070 if (cli
->auth
->domain
== NULL
) {
1071 return NT_STATUS_NO_MEMORY
;
1076 * Now marshall the data into the auth parse_struct.
1079 r
.MessageType
= NL_NEGOTIATE_REQUEST
;
1080 r
.Flags
= NL_FLAG_OEM_NETBIOS_DOMAIN_NAME
|
1081 NL_FLAG_OEM_NETBIOS_COMPUTER_NAME
;
1082 r
.oem_netbios_domain
.a
= cli
->auth
->domain
;
1083 r
.oem_netbios_computer
.a
= global_myname();
1085 status
= dcerpc_push_schannel_bind(cli
, &r
, auth_token
);
1086 if (!NT_STATUS_IS_OK(status
)) {
1090 return NT_STATUS_OK
;
1093 /*******************************************************************
1094 Creates the internals of a DCE/RPC bind request or alter context PDU.
1095 ********************************************************************/
1097 static NTSTATUS
create_bind_or_alt_ctx_internal(TALLOC_CTX
*mem_ctx
,
1098 enum dcerpc_pkt_type ptype
,
1100 const struct ndr_syntax_id
*abstract
,
1101 const struct ndr_syntax_id
*transfer
,
1102 const DATA_BLOB
*auth_info
,
1105 uint16 auth_len
= auth_info
->length
;
1107 union dcerpc_payload u
;
1108 struct dcerpc_ctx_list ctx_list
;
1111 auth_len
-= DCERPC_AUTH_TRAILER_LENGTH
;
1114 ctx_list
.context_id
= 0;
1115 ctx_list
.num_transfer_syntaxes
= 1;
1116 ctx_list
.abstract_syntax
= *abstract
;
1117 ctx_list
.transfer_syntaxes
= (struct ndr_syntax_id
*)discard_const(transfer
);
1119 u
.bind
.max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
1120 u
.bind
.max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
1121 u
.bind
.assoc_group_id
= 0x0;
1122 u
.bind
.num_contexts
= 1;
1123 u
.bind
.ctx_list
= &ctx_list
;
1124 u
.bind
.auth_info
= *auth_info
;
1126 status
= dcerpc_push_ncacn_packet(mem_ctx
,
1128 DCERPC_PFC_FLAG_FIRST
|
1129 DCERPC_PFC_FLAG_LAST
,
1134 if (!NT_STATUS_IS_OK(status
)) {
1135 DEBUG(0, ("Failed to marshall bind/alter ncacn_packet.\n"));
1139 return NT_STATUS_OK
;
1142 /*******************************************************************
1143 Creates a DCE/RPC bind request.
1144 ********************************************************************/
1146 static NTSTATUS
create_rpc_bind_req(TALLOC_CTX
*mem_ctx
,
1147 struct rpc_pipe_client
*cli
,
1148 struct pipe_auth_data
*auth
,
1150 const struct ndr_syntax_id
*abstract
,
1151 const struct ndr_syntax_id
*transfer
,
1154 DATA_BLOB auth_token
= data_blob_null
;
1155 DATA_BLOB auth_info
= data_blob_null
;
1156 NTSTATUS ret
= NT_STATUS_OK
;
1158 switch (auth
->auth_type
) {
1159 case DCERPC_AUTH_TYPE_SCHANNEL
:
1160 ret
= create_schannel_auth_rpc_bind_req(cli
, &auth_token
);
1161 if (!NT_STATUS_IS_OK(ret
)) {
1166 case DCERPC_AUTH_TYPE_NTLMSSP
:
1167 ret
= create_ntlmssp_auth_rpc_bind_req(cli
, &auth_token
);
1168 if (!NT_STATUS_IS_OK(ret
)) {
1173 case DCERPC_AUTH_TYPE_SPNEGO
:
1174 ret
= create_spnego_auth_bind_req(cli
, auth
, &auth_token
);
1175 if (!NT_STATUS_IS_OK(ret
)) {
1180 case DCERPC_AUTH_TYPE_KRB5
:
1181 ret
= create_gssapi_auth_bind_req(mem_ctx
, auth
, &auth_token
);
1182 if (!NT_STATUS_IS_OK(ret
)) {
1187 case DCERPC_AUTH_TYPE_NONE
:
1191 /* "Can't" happen. */
1192 return NT_STATUS_INVALID_INFO_CLASS
;
1195 if (auth_token
.length
!= 0) {
1196 ret
= dcerpc_push_dcerpc_auth(cli
,
1199 0, /* auth_pad_length */
1200 1, /* auth_context_id */
1203 if (!NT_STATUS_IS_OK(ret
)) {
1206 data_blob_free(&auth_token
);
1209 ret
= create_bind_or_alt_ctx_internal(mem_ctx
,
1219 /*******************************************************************
1221 Does an rpc request on a pipe. Incoming data is NDR encoded in in_data.
1222 Reply is NDR encoded in out_data. Splits the data stream into RPC PDU's
1223 and deals with signing/sealing details.
1224 ********************************************************************/
1226 struct rpc_api_pipe_req_state
{
1227 struct event_context
*ev
;
1228 struct rpc_pipe_client
*cli
;
1231 DATA_BLOB
*req_data
;
1232 uint32_t req_data_sent
;
1234 DATA_BLOB reply_pdu
;
1237 static void rpc_api_pipe_req_write_done(struct tevent_req
*subreq
);
1238 static void rpc_api_pipe_req_done(struct tevent_req
*subreq
);
1239 static NTSTATUS
prepare_next_frag(struct rpc_api_pipe_req_state
*state
,
1240 bool *is_last_frag
);
1242 struct tevent_req
*rpc_api_pipe_req_send(TALLOC_CTX
*mem_ctx
,
1243 struct event_context
*ev
,
1244 struct rpc_pipe_client
*cli
,
1246 DATA_BLOB
*req_data
)
1248 struct tevent_req
*req
, *subreq
;
1249 struct rpc_api_pipe_req_state
*state
;
1253 req
= tevent_req_create(mem_ctx
, &state
,
1254 struct rpc_api_pipe_req_state
);
1260 state
->op_num
= op_num
;
1261 state
->req_data
= req_data
;
1262 state
->req_data_sent
= 0;
1263 state
->call_id
= get_rpc_call_id();
1264 state
->reply_pdu
= data_blob_null
;
1265 state
->rpc_out
= data_blob_null
;
1267 if (cli
->max_xmit_frag
< DCERPC_REQUEST_LENGTH
1268 + RPC_MAX_SIGN_SIZE
) {
1269 /* Server is screwed up ! */
1270 status
= NT_STATUS_INVALID_PARAMETER
;
1274 status
= prepare_next_frag(state
, &is_last_frag
);
1275 if (!NT_STATUS_IS_OK(status
)) {
1280 subreq
= rpc_api_pipe_send(state
, ev
, state
->cli
,
1282 DCERPC_PKT_RESPONSE
);
1283 if (subreq
== NULL
) {
1286 tevent_req_set_callback(subreq
, rpc_api_pipe_req_done
, req
);
1288 subreq
= rpc_write_send(state
, ev
, cli
->transport
,
1289 state
->rpc_out
.data
,
1290 state
->rpc_out
.length
);
1291 if (subreq
== NULL
) {
1294 tevent_req_set_callback(subreq
, rpc_api_pipe_req_write_done
,
1300 tevent_req_nterror(req
, status
);
1301 return tevent_req_post(req
, ev
);
1307 static NTSTATUS
prepare_next_frag(struct rpc_api_pipe_req_state
*state
,
1310 size_t data_sent_thistime
;
1317 union dcerpc_payload u
;
1319 data_left
= state
->req_data
->length
- state
->req_data_sent
;
1321 status
= dcerpc_guess_sizes(state
->cli
->auth
,
1322 DCERPC_REQUEST_LENGTH
, data_left
,
1323 state
->cli
->max_xmit_frag
,
1324 CLIENT_NDR_PADDING_SIZE
,
1325 &data_sent_thistime
,
1326 &frag_len
, &auth_len
, &pad_len
);
1327 if (!NT_STATUS_IS_OK(status
)) {
1331 if (state
->req_data_sent
== 0) {
1332 flags
= DCERPC_PFC_FLAG_FIRST
;
1335 if (data_sent_thistime
== data_left
) {
1336 flags
|= DCERPC_PFC_FLAG_LAST
;
1339 data_blob_free(&state
->rpc_out
);
1341 ZERO_STRUCT(u
.request
);
1343 u
.request
.alloc_hint
= state
->req_data
->length
;
1344 u
.request
.context_id
= 0;
1345 u
.request
.opnum
= state
->op_num
;
1347 status
= dcerpc_push_ncacn_packet(state
,
1354 if (!NT_STATUS_IS_OK(status
)) {
1358 /* explicitly set frag_len here as dcerpc_push_ncacn_packet() can't
1359 * compute it right for requests because the auth trailer is missing
1361 dcerpc_set_frag_length(&state
->rpc_out
, frag_len
);
1363 /* Copy in the data. */
1364 if (!data_blob_append(NULL
, &state
->rpc_out
,
1365 state
->req_data
->data
+ state
->req_data_sent
,
1366 data_sent_thistime
)) {
1367 return NT_STATUS_NO_MEMORY
;
1370 switch (state
->cli
->auth
->auth_level
) {
1371 case DCERPC_AUTH_LEVEL_NONE
:
1372 case DCERPC_AUTH_LEVEL_CONNECT
:
1373 case DCERPC_AUTH_LEVEL_PACKET
:
1375 case DCERPC_AUTH_LEVEL_INTEGRITY
:
1376 case DCERPC_AUTH_LEVEL_PRIVACY
:
1377 status
= dcerpc_add_auth_footer(state
->cli
->auth
, pad_len
,
1379 if (!NT_STATUS_IS_OK(status
)) {
1384 return NT_STATUS_INVALID_PARAMETER
;
1387 state
->req_data_sent
+= data_sent_thistime
;
1388 *is_last_frag
= ((flags
& DCERPC_PFC_FLAG_LAST
) != 0);
1393 static void rpc_api_pipe_req_write_done(struct tevent_req
*subreq
)
1395 struct tevent_req
*req
= tevent_req_callback_data(
1396 subreq
, struct tevent_req
);
1397 struct rpc_api_pipe_req_state
*state
= tevent_req_data(
1398 req
, struct rpc_api_pipe_req_state
);
1402 status
= rpc_write_recv(subreq
);
1403 TALLOC_FREE(subreq
);
1404 if (!NT_STATUS_IS_OK(status
)) {
1405 tevent_req_nterror(req
, status
);
1409 status
= prepare_next_frag(state
, &is_last_frag
);
1410 if (!NT_STATUS_IS_OK(status
)) {
1411 tevent_req_nterror(req
, status
);
1416 subreq
= rpc_api_pipe_send(state
, state
->ev
, state
->cli
,
1418 DCERPC_PKT_RESPONSE
);
1419 if (tevent_req_nomem(subreq
, req
)) {
1422 tevent_req_set_callback(subreq
, rpc_api_pipe_req_done
, req
);
1424 subreq
= rpc_write_send(state
, state
->ev
,
1425 state
->cli
->transport
,
1426 state
->rpc_out
.data
,
1427 state
->rpc_out
.length
);
1428 if (tevent_req_nomem(subreq
, req
)) {
1431 tevent_req_set_callback(subreq
, rpc_api_pipe_req_write_done
,
1436 static void rpc_api_pipe_req_done(struct tevent_req
*subreq
)
1438 struct tevent_req
*req
= tevent_req_callback_data(
1439 subreq
, struct tevent_req
);
1440 struct rpc_api_pipe_req_state
*state
= tevent_req_data(
1441 req
, struct rpc_api_pipe_req_state
);
1444 status
= rpc_api_pipe_recv(subreq
, state
, NULL
, &state
->reply_pdu
);
1445 TALLOC_FREE(subreq
);
1446 if (!NT_STATUS_IS_OK(status
)) {
1447 tevent_req_nterror(req
, status
);
1450 tevent_req_done(req
);
1453 NTSTATUS
rpc_api_pipe_req_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
1454 DATA_BLOB
*reply_pdu
)
1456 struct rpc_api_pipe_req_state
*state
= tevent_req_data(
1457 req
, struct rpc_api_pipe_req_state
);
1460 if (tevent_req_is_nterror(req
, &status
)) {
1462 * We always have to initialize to reply pdu, even if there is
1463 * none. The rpccli_* caller routines expect this.
1465 *reply_pdu
= data_blob_null
;
1469 /* return data to caller and assign it ownership of memory */
1470 reply_pdu
->data
= talloc_move(mem_ctx
, &state
->reply_pdu
.data
);
1471 reply_pdu
->length
= state
->reply_pdu
.length
;
1472 state
->reply_pdu
.length
= 0;
1474 return NT_STATUS_OK
;
1477 /****************************************************************************
1478 Check the rpc bind acknowledge response.
1479 ****************************************************************************/
1481 static bool check_bind_response(const struct dcerpc_bind_ack
*r
,
1482 const struct ndr_syntax_id
*transfer
)
1484 struct dcerpc_ack_ctx ctx
;
1486 if (r
->secondary_address_size
== 0) {
1487 DEBUG(4,("Ignoring length check -- ASU bug (server didn't fill in the pipe name correctly)"));
1490 if (r
->num_results
< 1 || !r
->ctx_list
) {
1494 ctx
= r
->ctx_list
[0];
1496 /* check the transfer syntax */
1497 if ((ctx
.syntax
.if_version
!= transfer
->if_version
) ||
1498 (memcmp(&ctx
.syntax
.uuid
, &transfer
->uuid
, sizeof(transfer
->uuid
)) !=0)) {
1499 DEBUG(2,("bind_rpc_pipe: transfer syntax differs\n"));
1503 if (r
->num_results
!= 0x1 || ctx
.result
!= 0) {
1504 DEBUG(2,("bind_rpc_pipe: bind denied results: %d reason: %x\n",
1505 r
->num_results
, ctx
.reason
));
1508 DEBUG(5,("check_bind_response: accepted!\n"));
1512 /*******************************************************************
1513 Creates a DCE/RPC bind authentication response.
1514 This is the packet that is sent back to the server once we
1515 have received a BIND-ACK, to finish the third leg of
1516 the authentication handshake.
1517 ********************************************************************/
1519 static NTSTATUS
create_rpc_bind_auth3(TALLOC_CTX
*mem_ctx
,
1520 struct rpc_pipe_client
*cli
,
1522 enum dcerpc_AuthType auth_type
,
1523 enum dcerpc_AuthLevel auth_level
,
1524 DATA_BLOB
*pauth_blob
,
1528 union dcerpc_payload u
;
1532 status
= dcerpc_push_dcerpc_auth(mem_ctx
,
1535 0, /* auth_pad_length */
1536 1, /* auth_context_id */
1538 &u
.auth3
.auth_info
);
1539 if (!NT_STATUS_IS_OK(status
)) {
1543 status
= dcerpc_push_ncacn_packet(mem_ctx
,
1545 DCERPC_PFC_FLAG_FIRST
|
1546 DCERPC_PFC_FLAG_LAST
,
1551 data_blob_free(&u
.auth3
.auth_info
);
1552 if (!NT_STATUS_IS_OK(status
)) {
1553 DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall RPC_HDR_RB.\n"));
1557 return NT_STATUS_OK
;
1560 /*******************************************************************
1561 Creates a DCE/RPC bind alter context authentication request which
1562 may contain a spnego auth blobl
1563 ********************************************************************/
1565 static NTSTATUS
create_rpc_alter_context(TALLOC_CTX
*mem_ctx
,
1566 enum dcerpc_AuthType auth_type
,
1567 enum dcerpc_AuthLevel auth_level
,
1569 const struct ndr_syntax_id
*abstract
,
1570 const struct ndr_syntax_id
*transfer
,
1571 const DATA_BLOB
*pauth_blob
, /* spnego auth blob already created. */
1574 DATA_BLOB auth_info
;
1577 status
= dcerpc_push_dcerpc_auth(mem_ctx
,
1580 0, /* auth_pad_length */
1581 1, /* auth_context_id */
1584 if (!NT_STATUS_IS_OK(status
)) {
1588 status
= create_bind_or_alt_ctx_internal(mem_ctx
,
1595 data_blob_free(&auth_info
);
1599 /****************************************************************************
1601 ****************************************************************************/
1603 struct rpc_pipe_bind_state
{
1604 struct event_context
*ev
;
1605 struct rpc_pipe_client
*cli
;
1608 uint32_t rpc_call_id
;
1611 static void rpc_pipe_bind_step_one_done(struct tevent_req
*subreq
);
1612 static NTSTATUS
rpc_bind_next_send(struct tevent_req
*req
,
1613 struct rpc_pipe_bind_state
*state
,
1614 DATA_BLOB
*credentials
);
1615 static NTSTATUS
rpc_bind_finish_send(struct tevent_req
*req
,
1616 struct rpc_pipe_bind_state
*state
,
1617 DATA_BLOB
*credentials
);
1619 struct tevent_req
*rpc_pipe_bind_send(TALLOC_CTX
*mem_ctx
,
1620 struct event_context
*ev
,
1621 struct rpc_pipe_client
*cli
,
1622 struct pipe_auth_data
*auth
)
1624 struct tevent_req
*req
, *subreq
;
1625 struct rpc_pipe_bind_state
*state
;
1628 req
= tevent_req_create(mem_ctx
, &state
, struct rpc_pipe_bind_state
);
1633 DEBUG(5,("Bind RPC Pipe: %s auth_type %u, auth_level %u\n",
1634 rpccli_pipe_txt(talloc_tos(), cli
),
1635 (unsigned int)auth
->auth_type
,
1636 (unsigned int)auth
->auth_level
));
1640 state
->rpc_call_id
= get_rpc_call_id();
1642 cli
->auth
= talloc_move(cli
, &auth
);
1644 /* Marshall the outgoing data. */
1645 status
= create_rpc_bind_req(state
, cli
,
1648 &cli
->abstract_syntax
,
1649 &cli
->transfer_syntax
,
1652 if (!NT_STATUS_IS_OK(status
)) {
1656 subreq
= rpc_api_pipe_send(state
, ev
, cli
, &state
->rpc_out
,
1657 DCERPC_PKT_BIND_ACK
);
1658 if (subreq
== NULL
) {
1661 tevent_req_set_callback(subreq
, rpc_pipe_bind_step_one_done
, req
);
1665 tevent_req_nterror(req
, status
);
1666 return tevent_req_post(req
, ev
);
1672 static void rpc_pipe_bind_step_one_done(struct tevent_req
*subreq
)
1674 struct tevent_req
*req
= tevent_req_callback_data(
1675 subreq
, struct tevent_req
);
1676 struct rpc_pipe_bind_state
*state
= tevent_req_data(
1677 req
, struct rpc_pipe_bind_state
);
1678 struct pipe_auth_data
*pauth
= state
->cli
->auth
;
1679 struct ncacn_packet
*pkt
;
1680 struct dcerpc_auth auth
;
1681 DATA_BLOB auth_token
= data_blob_null
;
1684 status
= rpc_api_pipe_recv(subreq
, talloc_tos(), &pkt
, NULL
);
1685 TALLOC_FREE(subreq
);
1686 if (!NT_STATUS_IS_OK(status
)) {
1687 DEBUG(3, ("rpc_pipe_bind: %s bind request returned %s\n",
1688 rpccli_pipe_txt(talloc_tos(), state
->cli
),
1689 nt_errstr(status
)));
1690 tevent_req_nterror(req
, status
);
1695 tevent_req_done(req
);
1699 if (!check_bind_response(&pkt
->u
.bind_ack
, &state
->cli
->transfer_syntax
)) {
1700 DEBUG(2, ("rpc_pipe_bind: check_bind_response failed.\n"));
1701 tevent_req_nterror(req
, NT_STATUS_BUFFER_TOO_SMALL
);
1705 state
->cli
->max_xmit_frag
= pkt
->u
.bind_ack
.max_xmit_frag
;
1706 state
->cli
->max_recv_frag
= pkt
->u
.bind_ack
.max_recv_frag
;
1708 switch(pauth
->auth_type
) {
1710 case DCERPC_AUTH_TYPE_NONE
:
1711 case DCERPC_AUTH_TYPE_SCHANNEL
:
1712 /* Bind complete. */
1713 tevent_req_done(req
);
1716 case DCERPC_AUTH_TYPE_NTLMSSP
:
1717 case DCERPC_AUTH_TYPE_SPNEGO
:
1718 case DCERPC_AUTH_TYPE_KRB5
:
1719 /* Paranoid lenght checks */
1720 if (pkt
->frag_length
< DCERPC_AUTH_TRAILER_LENGTH
1721 + pkt
->auth_length
) {
1722 tevent_req_nterror(req
,
1723 NT_STATUS_INFO_LENGTH_MISMATCH
);
1726 /* get auth credentials */
1727 status
= dcerpc_pull_dcerpc_auth(talloc_tos(),
1728 &pkt
->u
.bind_ack
.auth_info
,
1730 if (!NT_STATUS_IS_OK(status
)) {
1731 DEBUG(0, ("Failed to pull dcerpc auth: %s.\n",
1732 nt_errstr(status
)));
1733 tevent_req_nterror(req
, status
);
1743 * For authenticated binds we may need to do 3 or 4 leg binds.
1746 switch(pauth
->auth_type
) {
1748 case DCERPC_AUTH_TYPE_NONE
:
1749 case DCERPC_AUTH_TYPE_SCHANNEL
:
1750 /* Bind complete. */
1751 tevent_req_done(req
);
1754 case DCERPC_AUTH_TYPE_NTLMSSP
:
1755 status
= auth_ntlmssp_update(pauth
->a_u
.auth_ntlmssp_state
,
1756 auth
.credentials
, &auth_token
);
1757 if (NT_STATUS_EQUAL(status
,
1758 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1759 status
= rpc_bind_next_send(req
, state
,
1761 } else if (NT_STATUS_IS_OK(status
)) {
1762 status
= rpc_bind_finish_send(req
, state
,
1767 case DCERPC_AUTH_TYPE_SPNEGO
:
1768 status
= spnego_get_client_auth_token(state
,
1769 pauth
->a_u
.spnego_state
,
1772 if (!NT_STATUS_IS_OK(status
)) {
1775 if (auth_token
.length
== 0) {
1776 /* Bind complete. */
1777 tevent_req_done(req
);
1780 if (spnego_require_more_processing(pauth
->a_u
.spnego_state
)) {
1781 status
= rpc_bind_next_send(req
, state
,
1784 status
= rpc_bind_finish_send(req
, state
,
1789 case DCERPC_AUTH_TYPE_KRB5
:
1790 status
= gse_get_client_auth_token(state
,
1791 pauth
->a_u
.gssapi_state
,
1794 if (!NT_STATUS_IS_OK(status
)) {
1798 if (gse_require_more_processing(pauth
->a_u
.gssapi_state
)) {
1799 status
= rpc_bind_next_send(req
, state
, &auth_token
);
1801 status
= rpc_bind_finish_send(req
, state
, &auth_token
);
1809 if (!NT_STATUS_IS_OK(status
)) {
1810 tevent_req_nterror(req
, status
);
1815 DEBUG(0,("cli_finish_bind_auth: unknown auth type %u\n",
1816 (unsigned int)state
->cli
->auth
->auth_type
));
1817 tevent_req_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
1820 static NTSTATUS
rpc_bind_next_send(struct tevent_req
*req
,
1821 struct rpc_pipe_bind_state
*state
,
1822 DATA_BLOB
*auth_token
)
1824 struct pipe_auth_data
*auth
= state
->cli
->auth
;
1825 struct tevent_req
*subreq
;
1828 /* Now prepare the alter context pdu. */
1829 data_blob_free(&state
->rpc_out
);
1831 status
= create_rpc_alter_context(state
,
1835 &state
->cli
->abstract_syntax
,
1836 &state
->cli
->transfer_syntax
,
1839 if (!NT_STATUS_IS_OK(status
)) {
1843 subreq
= rpc_api_pipe_send(state
, state
->ev
, state
->cli
,
1844 &state
->rpc_out
, DCERPC_PKT_ALTER_RESP
);
1845 if (subreq
== NULL
) {
1846 return NT_STATUS_NO_MEMORY
;
1848 tevent_req_set_callback(subreq
, rpc_pipe_bind_step_one_done
, req
);
1849 return NT_STATUS_OK
;
1852 static NTSTATUS
rpc_bind_finish_send(struct tevent_req
*req
,
1853 struct rpc_pipe_bind_state
*state
,
1854 DATA_BLOB
*auth_token
)
1856 struct pipe_auth_data
*auth
= state
->cli
->auth
;
1857 struct tevent_req
*subreq
;
1860 state
->auth3
= true;
1862 /* Now prepare the auth3 context pdu. */
1863 data_blob_free(&state
->rpc_out
);
1865 status
= create_rpc_bind_auth3(state
, state
->cli
,
1871 if (!NT_STATUS_IS_OK(status
)) {
1875 subreq
= rpc_api_pipe_send(state
, state
->ev
, state
->cli
,
1876 &state
->rpc_out
, DCERPC_PKT_AUTH3
);
1877 if (subreq
== NULL
) {
1878 return NT_STATUS_NO_MEMORY
;
1880 tevent_req_set_callback(subreq
, rpc_pipe_bind_step_one_done
, req
);
1881 return NT_STATUS_OK
;
1884 NTSTATUS
rpc_pipe_bind_recv(struct tevent_req
*req
)
1886 return tevent_req_simple_recv_ntstatus(req
);
1889 NTSTATUS
rpc_pipe_bind(struct rpc_pipe_client
*cli
,
1890 struct pipe_auth_data
*auth
)
1892 TALLOC_CTX
*frame
= talloc_stackframe();
1893 struct event_context
*ev
;
1894 struct tevent_req
*req
;
1895 NTSTATUS status
= NT_STATUS_OK
;
1897 ev
= event_context_init(frame
);
1899 status
= NT_STATUS_NO_MEMORY
;
1903 req
= rpc_pipe_bind_send(frame
, ev
, cli
, auth
);
1905 status
= NT_STATUS_NO_MEMORY
;
1909 if (!tevent_req_poll(req
, ev
)) {
1910 status
= map_nt_error_from_unix(errno
);
1914 status
= rpc_pipe_bind_recv(req
);
1920 #define RPCCLI_DEFAULT_TIMEOUT 10000 /* 10 seconds. */
1922 unsigned int rpccli_set_timeout(struct rpc_pipe_client
*rpc_cli
,
1923 unsigned int timeout
)
1927 if (rpc_cli
->transport
== NULL
) {
1928 return RPCCLI_DEFAULT_TIMEOUT
;
1931 if (rpc_cli
->transport
->set_timeout
== NULL
) {
1932 return RPCCLI_DEFAULT_TIMEOUT
;
1935 old
= rpc_cli
->transport
->set_timeout(rpc_cli
->transport
->priv
, timeout
);
1937 return RPCCLI_DEFAULT_TIMEOUT
;
1943 bool rpccli_is_connected(struct rpc_pipe_client
*rpc_cli
)
1945 if (rpc_cli
== NULL
) {
1949 if (rpc_cli
->transport
== NULL
) {
1953 return rpc_cli
->transport
->is_connected(rpc_cli
->transport
->priv
);
1956 struct rpccli_bh_state
{
1957 struct rpc_pipe_client
*rpc_cli
;
1960 static bool rpccli_bh_is_connected(struct dcerpc_binding_handle
*h
)
1962 struct rpccli_bh_state
*hs
= dcerpc_binding_handle_data(h
,
1963 struct rpccli_bh_state
);
1965 return rpccli_is_connected(hs
->rpc_cli
);
1968 static uint32_t rpccli_bh_set_timeout(struct dcerpc_binding_handle
*h
,
1971 struct rpccli_bh_state
*hs
= dcerpc_binding_handle_data(h
,
1972 struct rpccli_bh_state
);
1974 return rpccli_set_timeout(hs
->rpc_cli
, timeout
);
1977 struct rpccli_bh_raw_call_state
{
1983 static void rpccli_bh_raw_call_done(struct tevent_req
*subreq
);
1985 static struct tevent_req
*rpccli_bh_raw_call_send(TALLOC_CTX
*mem_ctx
,
1986 struct tevent_context
*ev
,
1987 struct dcerpc_binding_handle
*h
,
1988 const struct GUID
*object
,
1991 const uint8_t *in_data
,
1994 struct rpccli_bh_state
*hs
= dcerpc_binding_handle_data(h
,
1995 struct rpccli_bh_state
);
1996 struct tevent_req
*req
;
1997 struct rpccli_bh_raw_call_state
*state
;
1999 struct tevent_req
*subreq
;
2001 req
= tevent_req_create(mem_ctx
, &state
,
2002 struct rpccli_bh_raw_call_state
);
2006 state
->in_data
.data
= discard_const_p(uint8_t, in_data
);
2007 state
->in_data
.length
= in_length
;
2009 ok
= rpccli_bh_is_connected(h
);
2011 tevent_req_nterror(req
, NT_STATUS_INVALID_CONNECTION
);
2012 return tevent_req_post(req
, ev
);
2015 subreq
= rpc_api_pipe_req_send(state
, ev
, hs
->rpc_cli
,
2016 opnum
, &state
->in_data
);
2017 if (tevent_req_nomem(subreq
, req
)) {
2018 return tevent_req_post(req
, ev
);
2020 tevent_req_set_callback(subreq
, rpccli_bh_raw_call_done
, req
);
2025 static void rpccli_bh_raw_call_done(struct tevent_req
*subreq
)
2027 struct tevent_req
*req
=
2028 tevent_req_callback_data(subreq
,
2030 struct rpccli_bh_raw_call_state
*state
=
2031 tevent_req_data(req
,
2032 struct rpccli_bh_raw_call_state
);
2035 state
->out_flags
= 0;
2037 /* TODO: support bigendian responses */
2039 status
= rpc_api_pipe_req_recv(subreq
, state
, &state
->out_data
);
2040 TALLOC_FREE(subreq
);
2041 if (!NT_STATUS_IS_OK(status
)) {
2042 tevent_req_nterror(req
, status
);
2046 tevent_req_done(req
);
2049 static NTSTATUS
rpccli_bh_raw_call_recv(struct tevent_req
*req
,
2050 TALLOC_CTX
*mem_ctx
,
2053 uint32_t *out_flags
)
2055 struct rpccli_bh_raw_call_state
*state
=
2056 tevent_req_data(req
,
2057 struct rpccli_bh_raw_call_state
);
2060 if (tevent_req_is_nterror(req
, &status
)) {
2061 tevent_req_received(req
);
2065 *out_data
= talloc_move(mem_ctx
, &state
->out_data
.data
);
2066 *out_length
= state
->out_data
.length
;
2067 *out_flags
= state
->out_flags
;
2068 tevent_req_received(req
);
2069 return NT_STATUS_OK
;
2072 struct rpccli_bh_disconnect_state
{
2076 static struct tevent_req
*rpccli_bh_disconnect_send(TALLOC_CTX
*mem_ctx
,
2077 struct tevent_context
*ev
,
2078 struct dcerpc_binding_handle
*h
)
2080 struct rpccli_bh_state
*hs
= dcerpc_binding_handle_data(h
,
2081 struct rpccli_bh_state
);
2082 struct tevent_req
*req
;
2083 struct rpccli_bh_disconnect_state
*state
;
2086 req
= tevent_req_create(mem_ctx
, &state
,
2087 struct rpccli_bh_disconnect_state
);
2092 ok
= rpccli_bh_is_connected(h
);
2094 tevent_req_nterror(req
, NT_STATUS_INVALID_CONNECTION
);
2095 return tevent_req_post(req
, ev
);
2099 * TODO: do a real async disconnect ...
2101 * For now the caller needs to free rpc_cli
2105 tevent_req_done(req
);
2106 return tevent_req_post(req
, ev
);
2109 static NTSTATUS
rpccli_bh_disconnect_recv(struct tevent_req
*req
)
2113 if (tevent_req_is_nterror(req
, &status
)) {
2114 tevent_req_received(req
);
2118 tevent_req_received(req
);
2119 return NT_STATUS_OK
;
2122 static bool rpccli_bh_ref_alloc(struct dcerpc_binding_handle
*h
)
2127 static void rpccli_bh_do_ndr_print(struct dcerpc_binding_handle
*h
,
2129 const void *_struct_ptr
,
2130 const struct ndr_interface_call
*call
)
2132 void *struct_ptr
= discard_const(_struct_ptr
);
2134 if (DEBUGLEVEL
< 10) {
2138 if (ndr_flags
& NDR_IN
) {
2139 ndr_print_function_debug(call
->ndr_print
,
2144 if (ndr_flags
& NDR_OUT
) {
2145 ndr_print_function_debug(call
->ndr_print
,
2152 static const struct dcerpc_binding_handle_ops rpccli_bh_ops
= {
2154 .is_connected
= rpccli_bh_is_connected
,
2155 .set_timeout
= rpccli_bh_set_timeout
,
2156 .raw_call_send
= rpccli_bh_raw_call_send
,
2157 .raw_call_recv
= rpccli_bh_raw_call_recv
,
2158 .disconnect_send
= rpccli_bh_disconnect_send
,
2159 .disconnect_recv
= rpccli_bh_disconnect_recv
,
2161 .ref_alloc
= rpccli_bh_ref_alloc
,
2162 .do_ndr_print
= rpccli_bh_do_ndr_print
,
2165 /* initialise a rpc_pipe_client binding handle */
2166 static struct dcerpc_binding_handle
*rpccli_bh_create(struct rpc_pipe_client
*c
)
2168 struct dcerpc_binding_handle
*h
;
2169 struct rpccli_bh_state
*hs
;
2171 h
= dcerpc_binding_handle_create(c
,
2176 struct rpccli_bh_state
,
2186 bool rpccli_get_pwd_hash(struct rpc_pipe_client
*rpc_cli
, uint8_t nt_hash
[16])
2188 struct auth_ntlmssp_state
*a
= NULL
;
2189 struct cli_state
*cli
;
2191 if (rpc_cli
->auth
->auth_type
== DCERPC_AUTH_TYPE_NTLMSSP
) {
2192 a
= rpc_cli
->auth
->a_u
.auth_ntlmssp_state
;
2193 } else if (rpc_cli
->auth
->auth_type
== DCERPC_AUTH_TYPE_SPNEGO
) {
2194 enum spnego_mech auth_type
;
2198 status
= spnego_get_negotiated_mech(
2199 rpc_cli
->auth
->a_u
.spnego_state
,
2200 &auth_type
, &auth_ctx
);
2201 if (!NT_STATUS_IS_OK(status
)) {
2205 if (auth_type
== SPNEGO_NTLMSSP
) {
2206 a
= talloc_get_type(auth_ctx
,
2207 struct auth_ntlmssp_state
);
2212 memcpy(nt_hash
, auth_ntlmssp_get_nt_hash(a
), 16);
2216 cli
= rpc_pipe_np_smb_conn(rpc_cli
);
2220 E_md4hash(cli
->password
? cli
->password
: "", nt_hash
);
2224 NTSTATUS
rpccli_anon_bind_data(TALLOC_CTX
*mem_ctx
,
2225 struct pipe_auth_data
**presult
)
2227 struct pipe_auth_data
*result
;
2229 result
= talloc(mem_ctx
, struct pipe_auth_data
);
2230 if (result
== NULL
) {
2231 return NT_STATUS_NO_MEMORY
;
2234 result
->auth_type
= DCERPC_AUTH_TYPE_NONE
;
2235 result
->auth_level
= DCERPC_AUTH_LEVEL_NONE
;
2237 result
->user_name
= talloc_strdup(result
, "");
2238 result
->domain
= talloc_strdup(result
, "");
2239 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2240 TALLOC_FREE(result
);
2241 return NT_STATUS_NO_MEMORY
;
2245 return NT_STATUS_OK
;
2248 static int cli_auth_ntlmssp_data_destructor(struct pipe_auth_data
*auth
)
2250 TALLOC_FREE(auth
->a_u
.auth_ntlmssp_state
);
2254 static NTSTATUS
rpccli_ntlmssp_bind_data(TALLOC_CTX
*mem_ctx
,
2255 enum dcerpc_AuthType auth_type
,
2256 enum dcerpc_AuthLevel auth_level
,
2258 const char *username
,
2259 const char *password
,
2260 struct pipe_auth_data
**presult
)
2262 struct pipe_auth_data
*result
;
2265 result
= talloc(mem_ctx
, struct pipe_auth_data
);
2266 if (result
== NULL
) {
2267 return NT_STATUS_NO_MEMORY
;
2270 result
->auth_type
= auth_type
;
2271 result
->auth_level
= auth_level
;
2273 result
->user_name
= talloc_strdup(result
, username
);
2274 result
->domain
= talloc_strdup(result
, domain
);
2275 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2276 status
= NT_STATUS_NO_MEMORY
;
2280 status
= auth_ntlmssp_client_start(NULL
,
2283 lp_client_ntlmv2_auth(),
2284 &result
->a_u
.auth_ntlmssp_state
);
2285 if (!NT_STATUS_IS_OK(status
)) {
2289 talloc_set_destructor(result
, cli_auth_ntlmssp_data_destructor
);
2291 status
= auth_ntlmssp_set_username(result
->a_u
.auth_ntlmssp_state
,
2293 if (!NT_STATUS_IS_OK(status
)) {
2297 status
= auth_ntlmssp_set_domain(result
->a_u
.auth_ntlmssp_state
,
2299 if (!NT_STATUS_IS_OK(status
)) {
2303 status
= auth_ntlmssp_set_password(result
->a_u
.auth_ntlmssp_state
,
2305 if (!NT_STATUS_IS_OK(status
)) {
2310 * Turn off sign+seal to allow selected auth level to turn it back on.
2312 auth_ntlmssp_and_flags(result
->a_u
.auth_ntlmssp_state
,
2313 ~(NTLMSSP_NEGOTIATE_SIGN
|
2314 NTLMSSP_NEGOTIATE_SEAL
));
2316 if (auth_level
== DCERPC_AUTH_LEVEL_INTEGRITY
) {
2317 auth_ntlmssp_or_flags(result
->a_u
.auth_ntlmssp_state
,
2318 NTLMSSP_NEGOTIATE_SIGN
);
2319 } else if (auth_level
== DCERPC_AUTH_LEVEL_PRIVACY
) {
2320 auth_ntlmssp_or_flags(result
->a_u
.auth_ntlmssp_state
,
2321 NTLMSSP_NEGOTIATE_SEAL
|
2322 NTLMSSP_NEGOTIATE_SIGN
);
2326 return NT_STATUS_OK
;
2329 TALLOC_FREE(result
);
2333 NTSTATUS
rpccli_schannel_bind_data(TALLOC_CTX
*mem_ctx
, const char *domain
,
2334 enum dcerpc_AuthLevel auth_level
,
2335 struct netlogon_creds_CredentialState
*creds
,
2336 struct pipe_auth_data
**presult
)
2338 struct pipe_auth_data
*result
;
2340 result
= talloc(mem_ctx
, struct pipe_auth_data
);
2341 if (result
== NULL
) {
2342 return NT_STATUS_NO_MEMORY
;
2345 result
->auth_type
= DCERPC_AUTH_TYPE_SCHANNEL
;
2346 result
->auth_level
= auth_level
;
2348 result
->user_name
= talloc_strdup(result
, "");
2349 result
->domain
= talloc_strdup(result
, domain
);
2350 if ((result
->user_name
== NULL
) || (result
->domain
== NULL
)) {
2354 result
->a_u
.schannel_auth
= talloc(result
, struct schannel_state
);
2355 if (result
->a_u
.schannel_auth
== NULL
) {
2359 result
->a_u
.schannel_auth
->state
= SCHANNEL_STATE_START
;
2360 result
->a_u
.schannel_auth
->seq_num
= 0;
2361 result
->a_u
.schannel_auth
->initiator
= true;
2362 result
->a_u
.schannel_auth
->creds
= netlogon_creds_copy(result
, creds
);
2365 return NT_STATUS_OK
;
2368 TALLOC_FREE(result
);
2369 return NT_STATUS_NO_MEMORY
;
2373 * Create an rpc pipe client struct, connecting to a tcp port.
2375 static NTSTATUS
rpc_pipe_open_tcp_port(TALLOC_CTX
*mem_ctx
, const char *host
,
2377 const struct ndr_syntax_id
*abstract_syntax
,
2378 struct rpc_pipe_client
**presult
)
2380 struct rpc_pipe_client
*result
;
2381 struct sockaddr_storage addr
;
2385 result
= TALLOC_ZERO_P(mem_ctx
, struct rpc_pipe_client
);
2386 if (result
== NULL
) {
2387 return NT_STATUS_NO_MEMORY
;
2390 result
->abstract_syntax
= *abstract_syntax
;
2391 result
->transfer_syntax
= ndr_transfer_syntax
;
2393 result
->desthost
= talloc_strdup(result
, host
);
2394 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2395 result
, "\\\\%s", result
->desthost
);
2396 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2397 status
= NT_STATUS_NO_MEMORY
;
2401 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
2402 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
2404 if (!resolve_name(host
, &addr
, 0, false)) {
2405 status
= NT_STATUS_NOT_FOUND
;
2409 status
= open_socket_out(&addr
, port
, 60, &fd
);
2410 if (!NT_STATUS_IS_OK(status
)) {
2413 set_socket_options(fd
, lp_socket_options());
2415 status
= rpc_transport_sock_init(result
, fd
, &result
->transport
);
2416 if (!NT_STATUS_IS_OK(status
)) {
2421 result
->transport
->transport
= NCACN_IP_TCP
;
2423 result
->binding_handle
= rpccli_bh_create(result
);
2424 if (result
->binding_handle
== NULL
) {
2425 TALLOC_FREE(result
);
2426 return NT_STATUS_NO_MEMORY
;
2430 return NT_STATUS_OK
;
2433 TALLOC_FREE(result
);
2438 * Determine the tcp port on which a dcerpc interface is listening
2439 * for the ncacn_ip_tcp transport via the endpoint mapper of the
2442 static NTSTATUS
rpc_pipe_get_tcp_port(const char *host
,
2443 const struct ndr_syntax_id
*abstract_syntax
,
2447 struct rpc_pipe_client
*epm_pipe
= NULL
;
2448 struct pipe_auth_data
*auth
= NULL
;
2449 struct dcerpc_binding
*map_binding
= NULL
;
2450 struct dcerpc_binding
*res_binding
= NULL
;
2451 struct epm_twr_t
*map_tower
= NULL
;
2452 struct epm_twr_t
*res_towers
= NULL
;
2453 struct policy_handle
*entry_handle
= NULL
;
2454 uint32_t num_towers
= 0;
2455 uint32_t max_towers
= 1;
2456 struct epm_twr_p_t towers
;
2457 TALLOC_CTX
*tmp_ctx
= talloc_stackframe();
2459 if (pport
== NULL
) {
2460 status
= NT_STATUS_INVALID_PARAMETER
;
2464 /* open the connection to the endpoint mapper */
2465 status
= rpc_pipe_open_tcp_port(tmp_ctx
, host
, 135,
2466 &ndr_table_epmapper
.syntax_id
,
2469 if (!NT_STATUS_IS_OK(status
)) {
2473 status
= rpccli_anon_bind_data(tmp_ctx
, &auth
);
2474 if (!NT_STATUS_IS_OK(status
)) {
2478 status
= rpc_pipe_bind(epm_pipe
, auth
);
2479 if (!NT_STATUS_IS_OK(status
)) {
2483 /* create tower for asking the epmapper */
2485 map_binding
= TALLOC_ZERO_P(tmp_ctx
, struct dcerpc_binding
);
2486 if (map_binding
== NULL
) {
2487 status
= NT_STATUS_NO_MEMORY
;
2491 map_binding
->transport
= NCACN_IP_TCP
;
2492 map_binding
->object
= *abstract_syntax
;
2493 map_binding
->host
= host
; /* needed? */
2494 map_binding
->endpoint
= "0"; /* correct? needed? */
2496 map_tower
= TALLOC_ZERO_P(tmp_ctx
, struct epm_twr_t
);
2497 if (map_tower
== NULL
) {
2498 status
= NT_STATUS_NO_MEMORY
;
2502 status
= dcerpc_binding_build_tower(tmp_ctx
, map_binding
,
2503 &(map_tower
->tower
));
2504 if (!NT_STATUS_IS_OK(status
)) {
2508 /* allocate further parameters for the epm_Map call */
2510 res_towers
= TALLOC_ARRAY(tmp_ctx
, struct epm_twr_t
, max_towers
);
2511 if (res_towers
== NULL
) {
2512 status
= NT_STATUS_NO_MEMORY
;
2515 towers
.twr
= res_towers
;
2517 entry_handle
= TALLOC_ZERO_P(tmp_ctx
, struct policy_handle
);
2518 if (entry_handle
== NULL
) {
2519 status
= NT_STATUS_NO_MEMORY
;
2523 /* ask the endpoint mapper for the port */
2525 status
= rpccli_epm_Map(epm_pipe
,
2527 CONST_DISCARD(struct GUID
*,
2528 &(abstract_syntax
->uuid
)),
2535 if (!NT_STATUS_IS_OK(status
)) {
2539 if (num_towers
!= 1) {
2540 status
= NT_STATUS_UNSUCCESSFUL
;
2544 /* extract the port from the answer */
2546 status
= dcerpc_binding_from_tower(tmp_ctx
,
2547 &(towers
.twr
->tower
),
2549 if (!NT_STATUS_IS_OK(status
)) {
2553 /* are further checks here necessary? */
2554 if (res_binding
->transport
!= NCACN_IP_TCP
) {
2555 status
= NT_STATUS_UNSUCCESSFUL
;
2559 *pport
= (uint16_t)atoi(res_binding
->endpoint
);
2562 TALLOC_FREE(tmp_ctx
);
2567 * Create a rpc pipe client struct, connecting to a host via tcp.
2568 * The port is determined by asking the endpoint mapper on the given
2571 NTSTATUS
rpc_pipe_open_tcp(TALLOC_CTX
*mem_ctx
, const char *host
,
2572 const struct ndr_syntax_id
*abstract_syntax
,
2573 struct rpc_pipe_client
**presult
)
2578 status
= rpc_pipe_get_tcp_port(host
, abstract_syntax
, &port
);
2579 if (!NT_STATUS_IS_OK(status
)) {
2583 return rpc_pipe_open_tcp_port(mem_ctx
, host
, port
,
2584 abstract_syntax
, presult
);
2587 /********************************************************************
2588 Create a rpc pipe client struct, connecting to a unix domain socket
2589 ********************************************************************/
2590 NTSTATUS
rpc_pipe_open_ncalrpc(TALLOC_CTX
*mem_ctx
, const char *socket_path
,
2591 const struct ndr_syntax_id
*abstract_syntax
,
2592 struct rpc_pipe_client
**presult
)
2594 struct rpc_pipe_client
*result
;
2595 struct sockaddr_un addr
;
2599 result
= talloc_zero(mem_ctx
, struct rpc_pipe_client
);
2600 if (result
== NULL
) {
2601 return NT_STATUS_NO_MEMORY
;
2604 result
->abstract_syntax
= *abstract_syntax
;
2605 result
->transfer_syntax
= ndr_transfer_syntax
;
2607 result
->desthost
= get_myname(result
);
2608 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2609 result
, "\\\\%s", result
->desthost
);
2610 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2611 status
= NT_STATUS_NO_MEMORY
;
2615 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
2616 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
2618 fd
= socket(AF_UNIX
, SOCK_STREAM
, 0);
2620 status
= map_nt_error_from_unix(errno
);
2625 addr
.sun_family
= AF_UNIX
;
2626 strncpy(addr
.sun_path
, socket_path
, sizeof(addr
.sun_path
));
2628 if (sys_connect(fd
, (struct sockaddr
*)(void *)&addr
) == -1) {
2629 DEBUG(0, ("connect(%s) failed: %s\n", socket_path
,
2632 return map_nt_error_from_unix(errno
);
2635 status
= rpc_transport_sock_init(result
, fd
, &result
->transport
);
2636 if (!NT_STATUS_IS_OK(status
)) {
2641 result
->transport
->transport
= NCALRPC
;
2643 result
->binding_handle
= rpccli_bh_create(result
);
2644 if (result
->binding_handle
== NULL
) {
2645 TALLOC_FREE(result
);
2646 return NT_STATUS_NO_MEMORY
;
2650 return NT_STATUS_OK
;
2653 TALLOC_FREE(result
);
2657 struct rpc_pipe_client_np_ref
{
2658 struct cli_state
*cli
;
2659 struct rpc_pipe_client
*pipe
;
2662 static int rpc_pipe_client_np_ref_destructor(struct rpc_pipe_client_np_ref
*np_ref
)
2664 DLIST_REMOVE(np_ref
->cli
->pipe_list
, np_ref
->pipe
);
2668 /****************************************************************************
2669 Open a named pipe over SMB to a remote server.
2671 * CAVEAT CALLER OF THIS FUNCTION:
2672 * The returned rpc_pipe_client saves a copy of the cli_state cli pointer,
2673 * so be sure that this function is called AFTER any structure (vs pointer)
2674 * assignment of the cli. In particular, libsmbclient does structure
2675 * assignments of cli, which invalidates the data in the returned
2676 * rpc_pipe_client if this function is called before the structure assignment
2679 ****************************************************************************/
2681 static NTSTATUS
rpc_pipe_open_np(struct cli_state
*cli
,
2682 const struct ndr_syntax_id
*abstract_syntax
,
2683 struct rpc_pipe_client
**presult
)
2685 struct rpc_pipe_client
*result
;
2687 struct rpc_pipe_client_np_ref
*np_ref
;
2689 /* sanity check to protect against crashes */
2692 return NT_STATUS_INVALID_HANDLE
;
2695 result
= TALLOC_ZERO_P(NULL
, struct rpc_pipe_client
);
2696 if (result
== NULL
) {
2697 return NT_STATUS_NO_MEMORY
;
2700 result
->abstract_syntax
= *abstract_syntax
;
2701 result
->transfer_syntax
= ndr_transfer_syntax
;
2702 result
->desthost
= talloc_strdup(result
, cli
->desthost
);
2703 result
->srv_name_slash
= talloc_asprintf_strupper_m(
2704 result
, "\\\\%s", result
->desthost
);
2706 result
->max_xmit_frag
= RPC_MAX_PDU_FRAG_LEN
;
2707 result
->max_recv_frag
= RPC_MAX_PDU_FRAG_LEN
;
2709 if ((result
->desthost
== NULL
) || (result
->srv_name_slash
== NULL
)) {
2710 TALLOC_FREE(result
);
2711 return NT_STATUS_NO_MEMORY
;
2714 status
= rpc_transport_np_init(result
, cli
, abstract_syntax
,
2715 &result
->transport
);
2716 if (!NT_STATUS_IS_OK(status
)) {
2717 TALLOC_FREE(result
);
2721 result
->transport
->transport
= NCACN_NP
;
2723 np_ref
= talloc(result
->transport
, struct rpc_pipe_client_np_ref
);
2724 if (np_ref
== NULL
) {
2725 TALLOC_FREE(result
);
2726 return NT_STATUS_NO_MEMORY
;
2729 np_ref
->pipe
= result
;
2731 DLIST_ADD(np_ref
->cli
->pipe_list
, np_ref
->pipe
);
2732 talloc_set_destructor(np_ref
, rpc_pipe_client_np_ref_destructor
);
2734 result
->binding_handle
= rpccli_bh_create(result
);
2735 if (result
->binding_handle
== NULL
) {
2736 TALLOC_FREE(result
);
2737 return NT_STATUS_NO_MEMORY
;
2741 return NT_STATUS_OK
;
2744 /****************************************************************************
2745 Open a pipe to a remote server.
2746 ****************************************************************************/
2748 static NTSTATUS
cli_rpc_pipe_open(struct cli_state
*cli
,
2749 enum dcerpc_transport_t transport
,
2750 const struct ndr_syntax_id
*interface
,
2751 struct rpc_pipe_client
**presult
)
2753 switch (transport
) {
2755 return rpc_pipe_open_tcp(NULL
, cli
->desthost
, interface
,
2758 return rpc_pipe_open_np(cli
, interface
, presult
);
2760 return NT_STATUS_NOT_IMPLEMENTED
;
2764 /****************************************************************************
2765 Open a named pipe to an SMB server and bind anonymously.
2766 ****************************************************************************/
2768 NTSTATUS
cli_rpc_pipe_open_noauth_transport(struct cli_state
*cli
,
2769 enum dcerpc_transport_t transport
,
2770 const struct ndr_syntax_id
*interface
,
2771 struct rpc_pipe_client
**presult
)
2773 struct rpc_pipe_client
*result
;
2774 struct pipe_auth_data
*auth
;
2777 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
2778 if (!NT_STATUS_IS_OK(status
)) {
2782 status
= rpccli_anon_bind_data(result
, &auth
);
2783 if (!NT_STATUS_IS_OK(status
)) {
2784 DEBUG(0, ("rpccli_anon_bind_data returned %s\n",
2785 nt_errstr(status
)));
2786 TALLOC_FREE(result
);
2791 * This is a bit of an abstraction violation due to the fact that an
2792 * anonymous bind on an authenticated SMB inherits the user/domain
2793 * from the enclosing SMB creds
2796 TALLOC_FREE(auth
->user_name
);
2797 TALLOC_FREE(auth
->domain
);
2799 auth
->user_name
= talloc_strdup(auth
, cli
->user_name
);
2800 auth
->domain
= talloc_strdup(auth
, cli
->domain
);
2801 auth
->user_session_key
= data_blob_talloc(auth
,
2802 cli
->user_session_key
.data
,
2803 cli
->user_session_key
.length
);
2805 if ((auth
->user_name
== NULL
) || (auth
->domain
== NULL
)) {
2806 TALLOC_FREE(result
);
2807 return NT_STATUS_NO_MEMORY
;
2810 status
= rpc_pipe_bind(result
, auth
);
2811 if (!NT_STATUS_IS_OK(status
)) {
2813 if (ndr_syntax_id_equal(interface
,
2814 &ndr_table_dssetup
.syntax_id
)) {
2815 /* non AD domains just don't have this pipe, avoid
2816 * level 0 statement in that case - gd */
2819 DEBUG(lvl
, ("cli_rpc_pipe_open_noauth: rpc_pipe_bind for pipe "
2820 "%s failed with error %s\n",
2821 get_pipe_name_from_syntax(talloc_tos(), interface
),
2822 nt_errstr(status
) ));
2823 TALLOC_FREE(result
);
2827 DEBUG(10,("cli_rpc_pipe_open_noauth: opened pipe %s to machine "
2828 "%s and bound anonymously.\n",
2829 get_pipe_name_from_syntax(talloc_tos(), interface
),
2833 return NT_STATUS_OK
;
2836 /****************************************************************************
2837 ****************************************************************************/
2839 NTSTATUS
cli_rpc_pipe_open_noauth(struct cli_state
*cli
,
2840 const struct ndr_syntax_id
*interface
,
2841 struct rpc_pipe_client
**presult
)
2843 return cli_rpc_pipe_open_noauth_transport(cli
, NCACN_NP
,
2844 interface
, presult
);
2847 /****************************************************************************
2848 Open a named pipe to an SMB server and bind using NTLMSSP or SPNEGO NTLMSSP
2849 ****************************************************************************/
2851 NTSTATUS
cli_rpc_pipe_open_ntlmssp(struct cli_state
*cli
,
2852 const struct ndr_syntax_id
*interface
,
2853 enum dcerpc_transport_t transport
,
2854 enum dcerpc_AuthLevel auth_level
,
2856 const char *username
,
2857 const char *password
,
2858 struct rpc_pipe_client
**presult
)
2860 struct rpc_pipe_client
*result
;
2861 struct pipe_auth_data
*auth
= NULL
;
2862 enum dcerpc_AuthType auth_type
= DCERPC_AUTH_TYPE_NTLMSSP
;
2865 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
2866 if (!NT_STATUS_IS_OK(status
)) {
2870 status
= rpccli_ntlmssp_bind_data(result
,
2871 auth_type
, auth_level
,
2872 domain
, username
, password
,
2874 if (!NT_STATUS_IS_OK(status
)) {
2875 DEBUG(0, ("rpccli_ntlmssp_bind_data returned %s\n",
2876 nt_errstr(status
)));
2880 status
= rpc_pipe_bind(result
, auth
);
2881 if (!NT_STATUS_IS_OK(status
)) {
2882 DEBUG(0, ("cli_rpc_pipe_open_ntlmssp_internal: cli_rpc_pipe_bind failed with error %s\n",
2883 nt_errstr(status
) ));
2887 DEBUG(10,("cli_rpc_pipe_open_ntlmssp_internal: opened pipe %s to "
2888 "machine %s and bound NTLMSSP as user %s\\%s.\n",
2889 get_pipe_name_from_syntax(talloc_tos(), interface
),
2890 cli
->desthost
, domain
, username
));
2893 return NT_STATUS_OK
;
2897 TALLOC_FREE(result
);
2901 /****************************************************************************
2903 Open a named pipe to an SMB server and bind using schannel (bind type 68)
2904 using session_key. sign and seal.
2906 The *pdc will be stolen onto this new pipe
2907 ****************************************************************************/
2909 NTSTATUS
cli_rpc_pipe_open_schannel_with_key(struct cli_state
*cli
,
2910 const struct ndr_syntax_id
*interface
,
2911 enum dcerpc_transport_t transport
,
2912 enum dcerpc_AuthLevel auth_level
,
2914 struct netlogon_creds_CredentialState
**pdc
,
2915 struct rpc_pipe_client
**presult
)
2917 struct rpc_pipe_client
*result
;
2918 struct pipe_auth_data
*auth
;
2921 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
2922 if (!NT_STATUS_IS_OK(status
)) {
2926 status
= rpccli_schannel_bind_data(result
, domain
, auth_level
,
2928 if (!NT_STATUS_IS_OK(status
)) {
2929 DEBUG(0, ("rpccli_schannel_bind_data returned %s\n",
2930 nt_errstr(status
)));
2931 TALLOC_FREE(result
);
2935 status
= rpc_pipe_bind(result
, auth
);
2936 if (!NT_STATUS_IS_OK(status
)) {
2937 DEBUG(0, ("cli_rpc_pipe_open_schannel_with_key: "
2938 "cli_rpc_pipe_bind failed with error %s\n",
2939 nt_errstr(status
) ));
2940 TALLOC_FREE(result
);
2945 * The credentials on a new netlogon pipe are the ones we are passed
2946 * in - copy them over
2948 result
->dc
= netlogon_creds_copy(result
, *pdc
);
2949 if (result
->dc
== NULL
) {
2950 TALLOC_FREE(result
);
2951 return NT_STATUS_NO_MEMORY
;
2954 DEBUG(10,("cli_rpc_pipe_open_schannel_with_key: opened pipe %s to machine %s "
2955 "for domain %s and bound using schannel.\n",
2956 get_pipe_name_from_syntax(talloc_tos(), interface
),
2957 cli
->desthost
, domain
));
2960 return NT_STATUS_OK
;
2963 /****************************************************************************
2964 Open a named pipe to an SMB server and bind using krb5 (bind type 16).
2965 The idea is this can be called with service_princ, username and password all
2966 NULL so long as the caller has a TGT.
2967 ****************************************************************************/
2969 NTSTATUS
cli_rpc_pipe_open_krb5(struct cli_state
*cli
,
2970 const struct ndr_syntax_id
*interface
,
2971 enum dcerpc_transport_t transport
,
2972 enum dcerpc_AuthLevel auth_level
,
2974 const char *username
,
2975 const char *password
,
2976 struct rpc_pipe_client
**presult
)
2978 struct rpc_pipe_client
*result
;
2979 struct pipe_auth_data
*auth
;
2982 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
2983 if (!NT_STATUS_IS_OK(status
)) {
2987 auth
= talloc(result
, struct pipe_auth_data
);
2989 status
= NT_STATUS_NO_MEMORY
;
2992 auth
->auth_type
= DCERPC_AUTH_TYPE_KRB5
;
2993 auth
->auth_level
= auth_level
;
2998 auth
->user_name
= talloc_strdup(auth
, username
);
2999 if (!auth
->user_name
) {
3000 status
= NT_STATUS_NO_MEMORY
;
3004 /* Fixme, should we fetch/set the Realm ? */
3005 auth
->domain
= talloc_strdup(auth
, "");
3006 if (!auth
->domain
) {
3007 status
= NT_STATUS_NO_MEMORY
;
3011 status
= gse_init_client(auth
,
3012 (auth_level
== DCERPC_AUTH_LEVEL_INTEGRITY
),
3013 (auth_level
== DCERPC_AUTH_LEVEL_PRIVACY
),
3014 NULL
, server
, "cifs", username
, password
,
3015 GSS_C_DCE_STYLE
, &auth
->a_u
.gssapi_state
);
3017 if (!NT_STATUS_IS_OK(status
)) {
3018 DEBUG(0, ("gse_init_client returned %s\n",
3019 nt_errstr(status
)));
3023 status
= rpc_pipe_bind(result
, auth
);
3024 if (!NT_STATUS_IS_OK(status
)) {
3025 DEBUG(0, ("cli_rpc_pipe_bind failed with error %s\n",
3026 nt_errstr(status
)));
3031 return NT_STATUS_OK
;
3034 TALLOC_FREE(result
);
3038 NTSTATUS
cli_rpc_pipe_open_spnego_krb5(struct cli_state
*cli
,
3039 const struct ndr_syntax_id
*interface
,
3040 enum dcerpc_transport_t transport
,
3041 enum dcerpc_AuthLevel auth_level
,
3043 const char *username
,
3044 const char *password
,
3045 struct rpc_pipe_client
**presult
)
3047 struct rpc_pipe_client
*result
;
3048 struct pipe_auth_data
*auth
;
3051 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
3052 if (!NT_STATUS_IS_OK(status
)) {
3056 auth
= talloc(result
, struct pipe_auth_data
);
3058 status
= NT_STATUS_NO_MEMORY
;
3061 auth
->auth_type
= DCERPC_AUTH_TYPE_SPNEGO
;
3062 auth
->auth_level
= auth_level
;
3067 auth
->user_name
= talloc_strdup(auth
, username
);
3068 if (!auth
->user_name
) {
3069 status
= NT_STATUS_NO_MEMORY
;
3073 /* Fixme, should we fetch/set the Realm ? */
3074 auth
->domain
= talloc_strdup(auth
, "");
3075 if (!auth
->domain
) {
3076 status
= NT_STATUS_NO_MEMORY
;
3080 status
= spnego_gssapi_init_client(auth
,
3081 (auth
->auth_level
==
3082 DCERPC_AUTH_LEVEL_INTEGRITY
),
3083 (auth
->auth_level
==
3084 DCERPC_AUTH_LEVEL_PRIVACY
),
3086 NULL
, server
, "cifs",
3088 &auth
->a_u
.spnego_state
);
3089 if (!NT_STATUS_IS_OK(status
)) {
3090 DEBUG(0, ("spnego_init_client returned %s\n",
3091 nt_errstr(status
)));
3095 status
= rpc_pipe_bind(result
, auth
);
3096 if (!NT_STATUS_IS_OK(status
)) {
3097 DEBUG(0, ("cli_rpc_pipe_bind failed with error %s\n",
3098 nt_errstr(status
)));
3103 return NT_STATUS_OK
;
3106 TALLOC_FREE(result
);
3110 NTSTATUS
cli_rpc_pipe_open_spnego_ntlmssp(struct cli_state
*cli
,
3111 const struct ndr_syntax_id
*interface
,
3112 enum dcerpc_transport_t transport
,
3113 enum dcerpc_AuthLevel auth_level
,
3115 const char *username
,
3116 const char *password
,
3117 struct rpc_pipe_client
**presult
)
3119 struct rpc_pipe_client
*result
;
3120 struct pipe_auth_data
*auth
;
3123 status
= cli_rpc_pipe_open(cli
, transport
, interface
, &result
);
3124 if (!NT_STATUS_IS_OK(status
)) {
3128 auth
= talloc(result
, struct pipe_auth_data
);
3130 status
= NT_STATUS_NO_MEMORY
;
3133 auth
->auth_type
= DCERPC_AUTH_TYPE_SPNEGO
;
3134 auth
->auth_level
= auth_level
;
3139 auth
->user_name
= talloc_strdup(auth
, username
);
3140 if (!auth
->user_name
) {
3141 status
= NT_STATUS_NO_MEMORY
;
3148 auth
->domain
= talloc_strdup(auth
, domain
);
3149 if (!auth
->domain
) {
3150 status
= NT_STATUS_NO_MEMORY
;
3154 status
= spnego_ntlmssp_init_client(auth
,
3155 (auth
->auth_level
==
3156 DCERPC_AUTH_LEVEL_INTEGRITY
),
3157 (auth
->auth_level
==
3158 DCERPC_AUTH_LEVEL_PRIVACY
),
3160 domain
, username
, password
,
3161 &auth
->a_u
.spnego_state
);
3162 if (!NT_STATUS_IS_OK(status
)) {
3163 DEBUG(0, ("spnego_init_client returned %s\n",
3164 nt_errstr(status
)));
3168 status
= rpc_pipe_bind(result
, auth
);
3169 if (!NT_STATUS_IS_OK(status
)) {
3170 DEBUG(0, ("cli_rpc_pipe_bind failed with error %s\n",
3171 nt_errstr(status
)));
3176 return NT_STATUS_OK
;
3179 TALLOC_FREE(result
);
3183 NTSTATUS
cli_get_session_key(TALLOC_CTX
*mem_ctx
,
3184 struct rpc_pipe_client
*cli
,
3185 DATA_BLOB
*session_key
)
3187 struct pipe_auth_data
*a
= cli
->auth
;
3188 DATA_BLOB sk
= data_blob_null
;
3189 bool make_dup
= false;
3191 if (!session_key
|| !cli
) {
3192 return NT_STATUS_INVALID_PARAMETER
;
3196 return NT_STATUS_INVALID_PARAMETER
;
3199 switch (cli
->auth
->auth_type
) {
3200 case DCERPC_AUTH_TYPE_SCHANNEL
:
3201 sk
= data_blob_const(a
->a_u
.schannel_auth
->creds
->session_key
,
3205 case DCERPC_AUTH_TYPE_SPNEGO
:
3206 sk
= spnego_get_session_key(mem_ctx
, a
->a_u
.spnego_state
);
3209 case DCERPC_AUTH_TYPE_NTLMSSP
:
3210 sk
= auth_ntlmssp_get_session_key(a
->a_u
.auth_ntlmssp_state
);
3213 case DCERPC_AUTH_TYPE_KRB5
:
3214 sk
= gse_get_session_key(mem_ctx
, a
->a_u
.gssapi_state
);
3217 case DCERPC_AUTH_TYPE_NONE
:
3218 sk
= data_blob_const(a
->user_session_key
.data
,
3219 a
->user_session_key
.length
);
3227 return NT_STATUS_NO_USER_SESSION_KEY
;
3231 *session_key
= data_blob_dup_talloc(mem_ctx
, &sk
);
3236 return NT_STATUS_OK
;