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
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 2 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, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include "libcli/composite/composite.h"
29 #include "libcli/smb_composite/smb_composite.h"
30 #include "libcli/smb2/smb2.h"
31 #include "libcli/smb2/smb2_calls.h"
34 struct dcerpc_pipe_connect;
36 struct pipe_np_smb_state {
37 struct smb_composite_connect conn;
38 struct smbcli_tree *tree;
39 struct dcerpc_pipe_connect io;
44 Stage 3 of ncacn_np_smb: Named pipe opened (or not)
46 static void continue_pipe_open_smb(struct composite_context *ctx)
48 struct composite_context *c = talloc_get_type(ctx->async.private_data,
49 struct composite_context);
50 struct pipe_np_smb_state *s = talloc_get_type(c->private_data,
51 struct pipe_np_smb_state);
53 /* receive result of named pipe open request on smb */
54 c->status = dcerpc_pipe_open_smb_recv(ctx);
55 if (!composite_is_ok(c)) {
56 DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status)));
64 Stage 2 of ncacn_np_smb: Open a named pipe after successful smb connection
66 static void continue_smb_connect(struct composite_context *ctx)
68 struct composite_context *open_ctx;
69 struct composite_context *c = talloc_get_type(ctx->async.private_data,
70 struct composite_context);
71 struct pipe_np_smb_state *s = talloc_get_type(c->private_data,
72 struct pipe_np_smb_state);
74 /* receive result of smb connect request */
75 c->status = smb_composite_connect_recv(ctx, c);
76 if (!composite_is_ok(c)) {
77 DEBUG(0,("Failed to connect to %s - %s\n", s->io.binding->host, nt_errstr(c->status)));
81 /* prepare named pipe open parameters */
82 s->tree = s->conn.out.tree;
83 s->io.pipe_name = s->io.binding->endpoint;
85 /* send named pipe open request */
86 open_ctx = dcerpc_pipe_open_smb_send(s->io.pipe->conn, s->tree, s->io.pipe_name);
87 if (composite_nomem(open_ctx, c)) return;
89 composite_continue(c, open_ctx, continue_pipe_open_smb, c);
94 Initiate async open of a rpc connection to a rpc pipe on SMB using
95 the binding structure to determine the endpoint and options
97 struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX *mem_ctx,
98 struct dcerpc_pipe_connect *io)
100 struct composite_context *c;
101 struct pipe_np_smb_state *s;
102 struct composite_context *conn_req;
103 struct smb_composite_connect *conn;
105 /* composite context allocation and setup */
106 c = talloc_zero(mem_ctx, struct composite_context);
107 if (c == NULL) return NULL;
109 s = talloc_zero(c, struct pipe_np_smb_state);
110 if (composite_nomem(s, c)) return c;
112 c->state = COMPOSITE_STATE_IN_PROGRESS;
114 c->event_ctx = io->pipe->conn->event_ctx;
119 /* prepare smb connection parameters: we're connecting to IPC$ share on
121 conn->in.dest_host = s->io.binding->host;
123 conn->in.called_name = strupper_talloc(mem_ctx, s->io.binding->host);
124 conn->in.service = "IPC$";
125 conn->in.service_type = NULL;
126 conn->in.workgroup = lp_workgroup();
128 /* verify if called_name has been allocated when uppercasing */
129 if (composite_nomem(conn->in.called_name, c)) return c;
132 * provide proper credentials - user supplied, but allow a
133 * fallback to anonymous if this is an schannel connection
134 * (might be NT4 not allowing machine logins at session
137 s->conn.in.credentials = s->io.creds;
138 if (s->io.binding->flags & DCERPC_SCHANNEL) {
139 conn->in.fallback_to_anonymous = True;
141 conn->in.fallback_to_anonymous = False;
144 /* send smb connect request */
145 conn_req = smb_composite_connect_send(conn, s->io.pipe->conn, s->io.pipe->conn->event_ctx);
146 if (composite_nomem(conn_req, c)) return c;
148 composite_continue(c, conn_req, continue_smb_connect, c);
154 Receive result of a rpc connection to a rpc pipe on SMB
156 NTSTATUS dcerpc_pipe_connect_ncacn_np_smb_recv(struct composite_context *c)
158 NTSTATUS status = composite_wait(c);
166 Sync version of a rpc connection to a rpc pipe on SMB
168 NTSTATUS dcerpc_pipe_connect_ncacn_np_smb(TALLOC_CTX *mem_ctx,
169 struct dcerpc_pipe_connect *io)
171 struct composite_context *c;
172 c = dcerpc_pipe_connect_ncacn_np_smb_send(mem_ctx, io);
173 return dcerpc_pipe_connect_ncacn_np_smb_recv(c);
177 struct pipe_np_smb2_state {
178 struct smb2_tree *tree;
179 struct dcerpc_pipe_connect io;
184 Stage 3 of ncacn_np_smb: Named pipe opened (or not)
186 static void continue_pipe_open_smb2(struct composite_context *ctx)
188 struct composite_context *c = talloc_get_type(ctx->async.private_data,
189 struct composite_context);
190 struct pipe_np_smb2_state *s = talloc_get_type(c->private_data,
191 struct pipe_np_smb2_state);
193 /* receive result of named pipe open request on smb2 */
194 c->status = dcerpc_pipe_open_smb2_recv(ctx);
195 if (!composite_is_ok(c)) {
196 DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status)));
205 Stage 2 of ncacn_np_smb2: Open a named pipe after successful smb2 connection
207 static void continue_smb2_connect(struct composite_context *ctx)
209 struct composite_context *open_req;
210 struct composite_context *c = talloc_get_type(ctx->async.private_data,
211 struct composite_context);
212 struct pipe_np_smb2_state *s = talloc_get_type(c->private_data,
213 struct pipe_np_smb2_state);
215 /* receive result of smb2 connect request */
216 c->status = smb2_connect_recv(ctx, c, &s->tree);
217 if (!composite_is_ok(c)) {
218 DEBUG(0,("Failed to connect to %s - %s\n", s->io.binding->host, nt_errstr(c->status)));
222 /* prepare named pipe open parameters */
223 s->io.pipe_name = s->io.binding->endpoint;
225 /* send named pipe open request */
226 open_req = dcerpc_pipe_open_smb2_send(s->io.pipe->conn, s->tree, s->io.pipe_name);
227 if (composite_nomem(open_req, c)) return;
229 composite_continue(c, open_req, continue_pipe_open_smb2, c);
234 Initiate async open of a rpc connection request on SMB2 using
235 the binding structure to determine the endpoint and options
237 struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem_ctx,
238 struct dcerpc_pipe_connect *io)
240 struct composite_context *c;
241 struct pipe_np_smb2_state *s;
242 struct composite_context *conn_req;
244 /* composite context allocation and setup */
245 c = talloc_zero(mem_ctx, struct composite_context);
246 if (c == NULL) return NULL;
248 s = talloc_zero(c, struct pipe_np_smb2_state);
249 if (composite_nomem(s, c)) return c;
251 c->state = COMPOSITE_STATE_IN_PROGRESS;
253 c->event_ctx = io->pipe->conn->event_ctx;
258 * provide proper credentials - user supplied or anonymous in case this is
259 * schannel connection
261 if (s->io.binding->flags & DCERPC_SCHANNEL) {
262 s->io.creds = cli_credentials_init(mem_ctx);
263 if (composite_nomem(s->io.creds, c)) return c;
265 cli_credentials_set_anonymous(s->io.creds);
266 cli_credentials_guess(s->io.creds);
269 /* send smb2 connect request */
270 conn_req = smb2_connect_send(mem_ctx, s->io.binding->host, "IPC$", s->io.creds,
272 if (composite_nomem(conn_req, c)) return c;
274 composite_continue(c, conn_req, continue_smb2_connect, c);
281 Receive result of a rpc connection to a rpc pipe on SMB2
283 NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2_recv(struct composite_context *c)
285 NTSTATUS status = composite_wait(c);
293 Sync version of a rpc connection to a rpc pipe on SMB2
295 NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2(TALLOC_CTX *mem_ctx,
296 struct dcerpc_pipe_connect *io)
298 struct composite_context *c;
299 c = dcerpc_pipe_connect_ncacn_np_smb2_send(mem_ctx, io);
300 return dcerpc_pipe_connect_ncacn_np_smb2_recv(c);
304 struct pipe_ip_tcp_state {
305 struct dcerpc_pipe_connect io;
312 Stage 2 of ncacn_ip_tcp: rpc pipe opened (or not)
314 static void continue_pipe_open_ncacn_ip_tcp(struct composite_context *ctx)
316 struct composite_context *c = talloc_get_type(ctx->async.private_data,
317 struct composite_context);
318 struct pipe_ip_tcp_state *s = talloc_get_type(c->private_data,
319 struct pipe_ip_tcp_state);
321 /* receive result of named pipe open request on tcp/ip */
322 c->status = dcerpc_pipe_open_tcp_recv(ctx);
323 if (!composite_is_ok(c)) {
324 DEBUG(0,("Failed to connect to %s:%d - %s\n", s->host, s->port,
325 nt_errstr(c->status)));
334 Initiate async open of a rpc connection to a rpc pipe on TCP/IP using
335 the binding structure to determine the endpoint and options
337 struct composite_context* dcerpc_pipe_connect_ncacn_ip_tcp_send(TALLOC_CTX *mem_ctx,
338 struct dcerpc_pipe_connect *io)
340 struct composite_context *c;
341 struct pipe_ip_tcp_state *s;
342 struct composite_context *pipe_req;
344 /* composite context allocation and setup */
345 c = talloc_zero(mem_ctx, struct composite_context);
346 if (c == NULL) return NULL;
348 s = talloc_zero(c, struct pipe_ip_tcp_state);
349 if (composite_nomem(s, c)) return c;
351 c->state = COMPOSITE_STATE_IN_PROGRESS;
353 c->event_ctx = io->pipe->conn->event_ctx;
355 /* store input parameters in state structure */
357 s->host = talloc_strdup(c, io->binding->host);
358 s->port = atoi(io->binding->endpoint); /* port number is a binding endpoint here */
360 /* send pipe open request on tcp/ip */
361 pipe_req = dcerpc_pipe_open_tcp_send(s->io.pipe->conn, s->host, s->port);
362 if (composite_nomem(pipe_req, c)) return c;
364 composite_continue(c, pipe_req, continue_pipe_open_ncacn_ip_tcp, c);
370 Receive result of a rpc connection to a rpc pipe on TCP/IP
372 NTSTATUS dcerpc_pipe_connect_ncacn_ip_tcp_recv(struct composite_context *c)
374 NTSTATUS status = composite_wait(c);
382 Sync version of rpc connection to a rpc pipe on TCP/IP
384 NTSTATUS dcerpc_pipe_connect_ncacn_ip_tcp(TALLOC_CTX *mem_ctx,
385 struct dcerpc_pipe_connect *io)
387 struct composite_context *c;
388 c = dcerpc_pipe_connect_ncacn_ip_tcp_send(mem_ctx, io);
389 return dcerpc_pipe_connect_ncacn_ip_tcp_recv(c);
393 struct pipe_unix_state {
394 struct dcerpc_pipe_connect io;
400 Stage 2 of ncacn_unix: rpc pipe opened (or not)
402 static void continue_pipe_open_ncacn_unix_stream(struct composite_context *ctx)
404 struct composite_context *c = talloc_get_type(ctx->async.private_data,
405 struct composite_context);
406 struct pipe_unix_state *s = talloc_get_type(c->private_data,
407 struct pipe_unix_state);
409 /* receive result of pipe open request on unix socket */
410 c->status = dcerpc_pipe_open_unix_stream_recv(ctx);
411 if (!composite_is_ok(c)) {
412 DEBUG(0,("Failed to open unix socket %s - %s\n",
413 s->io.binding->endpoint, nt_errstr(c->status)));
422 Initiate async open of a rpc connection to a rpc pipe on unix socket using
423 the binding structure to determine the endpoint and options
425 struct composite_context* dcerpc_pipe_connect_ncacn_unix_stream_send(TALLOC_CTX *mem_ctx,
426 struct dcerpc_pipe_connect *io)
428 struct composite_context *c;
429 struct pipe_unix_state *s;
430 struct composite_context *pipe_req;
432 /* composite context allocation and setup */
433 c = talloc_zero(mem_ctx, struct composite_context);
434 if (c == NULL) return NULL;
436 s = talloc_zero(c, struct pipe_unix_state);
437 if (composite_nomem(s, c)) return c;
439 c->state = COMPOSITE_STATE_IN_PROGRESS;
441 c->event_ctx = io->pipe->conn->event_ctx;
443 /* prepare pipe open parameters and store them in state structure
444 also, verify whether biding endpoint is not null */
447 if (!io->binding->endpoint) {
448 DEBUG(0, ("Path to unix socket not specified\n"));
449 composite_error(c, NT_STATUS_INVALID_PARAMETER);
453 s->path = talloc_strdup(c, io->binding->endpoint); /* path is a binding endpoint here */
455 /* send pipe open request on unix socket */
456 pipe_req = dcerpc_pipe_open_unix_stream_send(s->io.pipe->conn, s->path);
457 if (composite_nomem(pipe_req, c)) return c;
459 composite_continue(c, pipe_req, continue_pipe_open_ncacn_unix_stream, c);
465 Receive result of a rpc connection to a pipe on unix socket
467 NTSTATUS dcerpc_pipe_connect_ncacn_unix_stream_recv(struct composite_context *c)
469 NTSTATUS status = composite_wait(c);
477 Sync version of a rpc connection to a rpc pipe on unix socket
479 NTSTATUS dcerpc_pipe_connect_ncacn_unix_stream(TALLOC_CTX *mem_ctx,
480 struct dcerpc_pipe_connect *io)
482 struct composite_context *c;
483 c = dcerpc_pipe_connect_ncacn_unix_stream_send(mem_ctx, io);
484 return dcerpc_pipe_connect_ncacn_unix_stream_recv(c);
488 struct pipe_ncalrpc_state {
489 struct dcerpc_pipe_connect io;
494 Stage 2 of ncalrpc: rpc pipe opened (or not)
496 static void continue_pipe_open_ncalrpc(struct composite_context *ctx)
498 struct composite_context *c = talloc_get_type(ctx->async.private_data,
499 struct composite_context);
500 struct pipe_ncalrpc_state *s = talloc_get_type(c->private_data,
501 struct pipe_ncalrpc_state);
503 /* receive result of pipe open request on ncalrpc */
504 c->status = dcerpc_pipe_connect_ncalrpc_recv(ctx);
505 if (!composite_is_ok(c)) {
506 DEBUG(0,("Failed to open ncalrpc pipe '%s' - %s\n", s->io.binding->endpoint,
507 nt_errstr(c->status)));
516 Initiate async open of a rpc connection request on NCALRPC using
517 the binding structure to determine the endpoint and options
519 struct composite_context* dcerpc_pipe_connect_ncalrpc_send(TALLOC_CTX *mem_ctx,
520 struct dcerpc_pipe_connect *io)
522 struct composite_context *c;
523 struct pipe_ncalrpc_state *s;
524 struct composite_context *pipe_req;
526 /* composite context allocation and setup */
527 c = talloc_zero(mem_ctx, struct composite_context);
528 if (c == NULL) return NULL;
530 s = talloc_zero(c, struct pipe_ncalrpc_state);
531 if (composite_nomem(s, c)) return c;
533 c->state = COMPOSITE_STATE_IN_PROGRESS;
535 c->event_ctx = io->pipe->conn->event_ctx;
537 /* store input parameters in state structure */
540 /* send pipe open request */
541 pipe_req = dcerpc_pipe_open_pipe_send(s->io.pipe->conn, s->io.binding->endpoint);
542 if (composite_nomem(pipe_req, c)) return c;
544 composite_continue(c, pipe_req, continue_pipe_open_ncalrpc, c);
550 Receive result of a rpc connection to a rpc pipe on NCALRPC
552 NTSTATUS dcerpc_pipe_connect_ncalrpc_recv(struct composite_context *c)
554 NTSTATUS status = composite_wait(c);
562 Sync version of a rpc connection to a rpc pipe on NCALRPC
564 NTSTATUS dcerpc_pipe_connect_ncalrpc(TALLOC_CTX *mem_ctx,
565 struct dcerpc_pipe_connect *io)
567 struct composite_context *c = dcerpc_pipe_connect_ncalrpc_send(mem_ctx, io);
568 return dcerpc_pipe_connect_ncalrpc_recv(c);
572 struct pipe_connect_state {
573 struct dcerpc_pipe *pipe;
574 struct dcerpc_binding *binding;
575 const struct dcerpc_interface_table *table;
576 struct cli_credentials *credentials;
580 static void continue_map_binding(struct composite_context *ctx);
581 static void continue_connect(struct composite_context *c, struct pipe_connect_state *s);
582 static void continue_pipe_connect_ncacn_np_smb2(struct composite_context *ctx);
583 static void continue_pipe_connect_ncacn_np_smb(struct composite_context *ctx);
584 static void continue_pipe_connect_ncacn_ip_tcp(struct composite_context *ctx);
585 static void continue_pipe_connect_ncacn_unix(struct composite_context *ctx);
586 static void continue_pipe_connect_ncalrpc(struct composite_context *ctx);
587 static void continue_pipe_connect(struct composite_context *c, struct pipe_connect_state *s);
588 static void continue_pipe_auth(struct composite_context *ctx);
591 static void continue_map_binding(struct composite_context *ctx)
593 struct composite_context *c = talloc_get_type(ctx->async.private_data,
594 struct composite_context);
595 struct pipe_connect_state *s = talloc_get_type(c->private_data,
596 struct pipe_connect_state);
598 c->status = dcerpc_epm_map_binding_recv(ctx);
599 if (!composite_is_ok(c)) {
600 DEBUG(0,("Failed to map DCERPC endpoint for '%s' - %s\n",
601 GUID_string(c, &s->table->uuid), nt_errstr(c->status)));
605 DEBUG(2,("Mapped to DCERPC endpoint %s\n", s->binding->endpoint));
607 continue_connect(c, s);
611 static void continue_connect(struct composite_context *c, struct pipe_connect_state *s)
613 struct dcerpc_pipe_connect pc;
615 /* potential exits to another stage by sending an async request */
616 struct composite_context *ncacn_np_smb2_req;
617 struct composite_context *ncacn_np_smb_req;
618 struct composite_context *ncacn_ip_tcp_req;
619 struct composite_context *ncacn_unix_req;
620 struct composite_context *ncalrpc_req;
622 /* dcerpc pipe connect input parameters */
624 pc.binding = s->binding;
625 pc.interface = s->table;
626 pc.creds = s->credentials;
628 switch (s->binding->transport) {
630 if (pc.binding->flags & DCERPC_SMB2) {
631 /* new varient of SMB a.k.a. SMB2 */
632 ncacn_np_smb2_req = dcerpc_pipe_connect_ncacn_np_smb2_send(c, &pc);
633 if (composite_nomem(ncacn_np_smb2_req, c)) return;
635 composite_continue(c, ncacn_np_smb2_req, continue_pipe_connect_ncacn_np_smb2, c);
639 /* good old ordinary SMB */
640 ncacn_np_smb_req = dcerpc_pipe_connect_ncacn_np_smb_send(c, &pc);
641 if (composite_nomem(ncacn_np_smb_req, c)) return;
643 composite_continue(c, ncacn_np_smb_req, continue_pipe_connect_ncacn_np_smb, c);
649 ncacn_ip_tcp_req = dcerpc_pipe_connect_ncacn_ip_tcp_send(c, &pc);
650 if (composite_nomem(ncacn_ip_tcp_req, c)) return;
652 composite_continue(c, ncacn_ip_tcp_req, continue_pipe_connect_ncacn_ip_tcp, c);
655 case NCACN_UNIX_STREAM:
656 ncacn_unix_req = dcerpc_pipe_connect_ncacn_unix_stream_send(c, &pc);
657 if (composite_nomem(ncacn_unix_req, c)) return;
659 composite_continue(c, ncacn_unix_req, continue_pipe_connect_ncacn_unix, c);
663 ncalrpc_req = dcerpc_pipe_connect_ncalrpc_send(c, &pc);
664 if (composite_nomem(ncalrpc_req, c)) return;
666 composite_continue(c, ncalrpc_req, continue_pipe_connect_ncalrpc, c);
670 composite_error(c, NT_STATUS_NOT_SUPPORTED);
675 static void continue_pipe_connect_ncacn_np_smb2(struct composite_context *ctx)
677 struct composite_context *c = talloc_get_type(ctx->async.private_data,
678 struct composite_context);
679 struct pipe_connect_state *s = talloc_get_type(c->private_data,
680 struct pipe_connect_state);
682 c->status = dcerpc_pipe_connect_ncacn_np_smb2_recv(ctx);
683 if (!composite_is_ok(c)) return;
685 continue_pipe_connect(c, s);
689 static void continue_pipe_connect_ncacn_np_smb(struct composite_context *ctx)
691 struct composite_context *c = talloc_get_type(ctx->async.private_data,
692 struct composite_context);
693 struct pipe_connect_state *s = talloc_get_type(c->private_data,
694 struct pipe_connect_state);
696 c->status = dcerpc_pipe_connect_ncacn_np_smb_recv(ctx);
697 if (!composite_is_ok(c)) return;
699 continue_pipe_connect(c, s);
703 static void continue_pipe_connect_ncacn_ip_tcp(struct composite_context *ctx)
705 struct composite_context *c = talloc_get_type(ctx->async.private_data,
706 struct composite_context);
707 struct pipe_connect_state *s = talloc_get_type(c->private_data,
708 struct pipe_connect_state);
710 c->status = dcerpc_pipe_connect_ncacn_ip_tcp_recv(ctx);
711 if (!composite_is_ok(c)) return;
713 continue_pipe_connect(c, s);
717 static void continue_pipe_connect_ncacn_unix(struct composite_context *ctx)
719 struct composite_context *c = talloc_get_type(ctx->async.private_data,
720 struct composite_context);
721 struct pipe_connect_state *s = talloc_get_type(c->private_data,
722 struct pipe_connect_state);
724 c->status = dcerpc_pipe_connect_ncacn_unix_stream_recv(ctx);
725 if (!composite_is_ok(c)) return;
727 continue_pipe_connect(c, s);
731 static void continue_pipe_connect_ncalrpc(struct composite_context *ctx)
733 struct composite_context *c = talloc_get_type(ctx->async.private_data,
734 struct composite_context);
735 struct pipe_connect_state *s = talloc_get_type(c->private_data,
736 struct pipe_connect_state);
738 c->status = dcerpc_pipe_connect_ncalrpc_recv(ctx);
739 if (!composite_is_ok(c)) return;
741 continue_pipe_connect(c, s);
745 static void continue_pipe_connect(struct composite_context *c, struct pipe_connect_state *s)
747 struct composite_context *auth_bind_req;
749 s->pipe->binding = s->binding;
750 if (!talloc_reference(s->pipe, s->binding)) {
751 composite_error(c, NT_STATUS_NO_MEMORY);
755 auth_bind_req = dcerpc_pipe_auth_send(s->pipe, s->binding, s->table,
757 if (composite_nomem(auth_bind_req, c)) return;
759 composite_continue(c, auth_bind_req, continue_pipe_auth, c);
763 static void continue_pipe_auth(struct composite_context *ctx)
765 struct composite_context *c = talloc_get_type(ctx->async.private_data,
766 struct composite_context);
768 c->status = dcerpc_pipe_auth_recv(ctx);
769 if (!composite_is_ok(c)) return;
775 struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent_ctx,
776 struct dcerpc_pipe **pp,
777 struct dcerpc_binding *binding,
778 const struct dcerpc_interface_table *table,
779 struct cli_credentials *credentials,
780 struct event_context *ev)
782 struct composite_context *c;
783 struct pipe_connect_state *s;
785 struct composite_context *binding_req;
787 /* composite context allocation and setup */
788 c = talloc_zero(parent_ctx, struct composite_context);
789 if (c == NULL) return NULL;
791 s = talloc_zero(c, struct pipe_connect_state);
792 if (composite_nomem(s, c)) return c;
794 c->state = COMPOSITE_STATE_IN_PROGRESS;
799 /* initialise dcerpc pipe structure */
800 s->pipe = dcerpc_pipe_init(c, ev);
801 if (composite_nomem(s->pipe, c)) return c;
803 c->event_ctx = s->pipe->conn->event_ctx;
806 s->binding = binding;
808 s->credentials = credentials;
810 switch (s->binding->transport) {
814 if (!s->binding->endpoint) {
815 binding_req = dcerpc_epm_map_binding_send(c, s->binding, s->table,
816 s->pipe->conn->event_ctx);
817 composite_continue(c, binding_req, continue_map_binding, c);
825 continue_connect(c, s);
830 NTSTATUS dcerpc_pipe_connect_b_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
831 struct dcerpc_pipe **p)
834 struct pipe_connect_state *s;
836 status = composite_wait(c);
838 if (NT_STATUS_IS_OK(status) && p) {
839 s = talloc_get_type(c->private_data, struct pipe_connect_state);
840 talloc_steal(mem_ctx, s->pipe);
850 open a rpc connection to a rpc pipe, using the specified
851 binding structure to determine the endpoint and options - sync version
853 NTSTATUS dcerpc_pipe_connect_b(TALLOC_CTX *parent_ctx,
854 struct dcerpc_pipe **pp,
855 struct dcerpc_binding *binding,
856 const struct dcerpc_interface_table *table,
857 struct cli_credentials *credentials,
858 struct event_context *ev)
860 struct composite_context *c;
862 c = dcerpc_pipe_connect_b_send(parent_ctx, pp, binding, table,
864 return dcerpc_pipe_connect_b_recv(c, parent_ctx, pp);
868 struct pipe_conn_state {
869 struct dcerpc_pipe *pipe;
873 static void continue_pipe_connect_b(struct composite_context *ctx);
875 struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx,
876 struct dcerpc_pipe **pp,
878 const struct dcerpc_interface_table *table,
879 struct cli_credentials *credentials,
880 struct event_context *ev)
883 struct composite_context *c;
884 struct pipe_conn_state *s;
885 struct dcerpc_binding *b;
886 struct composite_context *pipe_conn_req;
888 c = talloc_zero(parent_ctx, struct composite_context);
889 if (c == NULL) return NULL;
891 s = talloc_zero(c, struct pipe_conn_state);
892 if (composite_nomem(s, c)) return c;
894 c->state = COMPOSITE_STATE_IN_PROGRESS;
897 status = dcerpc_parse_binding(c, binding, &b);
898 if (!NT_STATUS_IS_OK(status)) {
899 DEBUG(0, ("Failed to parse dcerpc binding '%s'\n", binding));
900 composite_error(c, status);
904 DEBUG(3, ("Using binding %s\n", dcerpc_binding_string(c, b)));
906 pipe_conn_req = dcerpc_pipe_connect_b_send(c, &s->pipe, b, table,
908 c->event_ctx = s->pipe->conn->event_ctx;
910 if (composite_nomem(pipe_conn_req, c)) return c;
912 composite_continue(c, pipe_conn_req, continue_pipe_connect_b, c);
917 static void continue_pipe_connect_b(struct composite_context *ctx)
919 struct composite_context *c = talloc_get_type(ctx->async.private_data,
920 struct composite_context);
921 struct pipe_conn_state *s = talloc_get_type(c->private_data,
922 struct pipe_conn_state);
924 c->status = dcerpc_pipe_connect_b_recv(ctx, c, &s->pipe);
925 if (!composite_is_ok(c)) return;
931 NTSTATUS dcerpc_pipe_connect_recv(struct composite_context *c,
933 struct dcerpc_pipe **pp)
936 struct pipe_conn_state *s;
938 status = composite_wait(c);
939 if (NT_STATUS_IS_OK(status) && pp) {
940 s = talloc_get_type(c->private_data, struct pipe_conn_state);
941 *pp = talloc_steal(mem_ctx, s->pipe);
950 open a rpc connection to a rpc pipe, using the specified string
951 binding to determine the endpoint and options - sync version
953 NTSTATUS dcerpc_pipe_connect(TALLOC_CTX *parent_ctx,
954 struct dcerpc_pipe **pp,
956 const struct dcerpc_interface_table *table,
957 struct cli_credentials *credentials,
958 struct event_context *ev)
960 struct composite_context *c;
961 c = dcerpc_pipe_connect_send(parent_ctx, pp, binding, table,
963 return dcerpc_pipe_connect_recv(c, parent_ctx, pp);
967 struct sec_conn_state {
968 struct dcerpc_pipe *pipe;
969 struct dcerpc_pipe **pipe2;
970 struct dcerpc_binding *binding;
971 struct smbcli_tree *tree;
975 static void continue_open_smb(struct composite_context *ctx);
976 static void continue_open_tcp(struct composite_context *ctx);
977 static void continue_open_pipe(struct composite_context *ctx);
978 static void continue_pipe_open(struct composite_context *c);
981 struct composite_context* dcerpc_secondary_connection_send(TALLOC_CTX *mem_ctx,
982 struct dcerpc_pipe *p,
983 struct dcerpc_pipe **p2,
984 struct dcerpc_binding *b)
986 struct composite_context *c;
987 struct sec_conn_state *s;
988 struct composite_context *pipe_smb_req;
989 struct composite_context *pipe_tcp_req;
990 struct composite_context *pipe_ncalrpc_req;
992 c = talloc_zero(mem_ctx, struct composite_context);
993 if (c == NULL) return NULL;
995 s = talloc_zero(c, struct sec_conn_state);
997 composite_error(c, NT_STATUS_NO_MEMORY);
1001 c->state = COMPOSITE_STATE_IN_PROGRESS;
1002 c->private_data = s;
1008 (*s->pipe2) = dcerpc_pipe_init(s->pipe, s->pipe->conn->event_ctx);
1009 if (s->pipe2 == NULL) {
1010 composite_error(c, NT_STATUS_NO_MEMORY);
1014 c->event_ctx = (*s->pipe2)->conn->event_ctx;
1016 switch (s->pipe->conn->transport.transport) {
1018 s->tree = dcerpc_smb_tree(s->pipe->conn);
1020 composite_error(c, NT_STATUS_INVALID_PARAMETER);
1024 pipe_smb_req = dcerpc_pipe_open_smb_send((*s->pipe2)->conn, s->tree,
1025 s->binding->endpoint);
1026 if (composite_nomem(pipe_smb_req, c)) return c;
1028 composite_continue(c, pipe_smb_req, continue_open_smb, c);
1032 pipe_tcp_req = dcerpc_pipe_open_tcp_send((*s->pipe2)->conn,
1034 atoi(s->binding->endpoint));
1035 if (composite_nomem(pipe_tcp_req, c)) return c;
1037 composite_continue(c, pipe_tcp_req, continue_open_tcp, c);
1041 pipe_ncalrpc_req = dcerpc_pipe_open_pipe_send((*s->pipe2)->conn,
1042 s->binding->endpoint);
1043 if (composite_nomem(pipe_ncalrpc_req, c)) return c;
1045 composite_continue(c, pipe_ncalrpc_req, continue_open_pipe, c);
1049 composite_error(c, NT_STATUS_NOT_SUPPORTED);
1056 static void continue_open_smb(struct composite_context *ctx)
1058 struct composite_context *c = talloc_get_type(ctx->async.private_data,
1059 struct composite_context);
1060 struct sec_conn_state *s = talloc_get_type(c->private_data,
1061 struct sec_conn_state);
1063 c->status = dcerpc_pipe_open_smb_recv(ctx);
1064 if (!composite_is_ok(c)) {
1065 talloc_free(*s->pipe2);
1069 continue_pipe_open(c);
1073 static void continue_open_tcp(struct composite_context *ctx)
1075 struct composite_context *c = talloc_get_type(ctx->async.private_data,
1076 struct composite_context);
1077 struct sec_conn_state *s = talloc_get_type(c->private_data,
1078 struct sec_conn_state);
1080 c->status = dcerpc_pipe_open_tcp_recv(ctx);
1081 if (!composite_is_ok(c)) {
1082 talloc_free(*s->pipe2);
1086 continue_pipe_open(c);
1090 static void continue_open_pipe(struct composite_context *ctx)
1092 struct composite_context *c = talloc_get_type(ctx->async.private_data,
1093 struct composite_context);
1094 struct sec_conn_state *s = talloc_get_type(c->private_data,
1095 struct sec_conn_state);
1097 c->status = dcerpc_pipe_open_pipe_recv(ctx);
1098 if (!composite_is_ok(c)) {
1099 talloc_free(*s->pipe2);
1103 continue_pipe_open(c);
1107 static void continue_pipe_open(struct composite_context *c)
1109 struct sec_conn_state *s;
1111 s = talloc_get_type(c->private_data, struct sec_conn_state);
1113 (*s->pipe2)->conn->flags = s->pipe->conn->flags;
1114 (*s->pipe2)->binding = s->binding;
1115 if (!talloc_reference((*s->pipe2), s->binding)) {
1116 composite_error(c, NT_STATUS_NO_MEMORY);
1124 NTSTATUS dcerpc_secondary_connection_recv(struct composite_context *c)
1126 NTSTATUS status = composite_wait(c);
1134 create a secondary dcerpc connection from a primary connection
1137 if the primary is a SMB connection then the secondary connection
1138 will be on the same SMB connection, but use a new fnum
1140 NTSTATUS dcerpc_secondary_connection(struct dcerpc_pipe *p,
1141 struct dcerpc_pipe **p2,
1142 struct dcerpc_binding *b)
1144 struct composite_context *c;
1146 c = dcerpc_secondary_connection_send(NULL, p, p2, b);
1147 return dcerpc_secondary_connection_recv(c);