2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1998,
5 * Largely re-written : 2005
6 * Copyright (C) Jeremy Allison 1998 - 2005
7 * Copyright (C) Simo Sorce 2010
8 * Copyright (C) Andrew Bartlett 2011
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, see <http://www.gnu.org/licenses/>.
25 #include "rpc_client/cli_pipe.h"
26 #include "rpc_server/srv_pipe_internal.h"
28 #include "../libcli/named_pipe_auth/npa_tstream.h"
29 #include "rpc_server/rpc_ncacn_np.h"
30 #include "librpc/gen_ndr/netlogon.h"
31 #include "librpc/gen_ndr/auth.h"
32 #include "../auth/auth_sam_reply.h"
34 #include "rpc_server/rpc_pipes.h"
35 #include "../lib/tsocket/tsocket.h"
36 #include "../lib/util/tevent_ntstatus.h"
37 #include "rpc_contexts.h"
38 #include "rpc_server/rpc_config.h"
39 #include "librpc/ndr/ndr_table.h"
40 #include "rpc_server/rpc_server.h"
43 #define DBGC_CLASS DBGC_RPC_SRV
45 static struct npa_state *npa_state_init(TALLOC_CTX *mem_ctx)
47 struct npa_state *npa;
49 npa = talloc_zero(mem_ctx, struct npa_state);
54 npa->read_queue = tevent_queue_create(npa, "npa_cli_read");
55 if (npa->read_queue == NULL) {
56 DEBUG(0, ("tevent_queue_create failed\n"));
60 npa->write_queue = tevent_queue_create(npa, "npa_cli_write");
61 if (npa->write_queue == NULL) {
62 DEBUG(0, ("tevent_queue_create failed\n"));
72 NTSTATUS make_internal_rpc_pipe_socketpair(TALLOC_CTX *mem_ctx,
73 struct tevent_context *ev_ctx,
74 struct messaging_context *msg_ctx,
75 const char *pipe_name,
76 const struct ndr_syntax_id *syntax,
77 const struct tsocket_address *remote_address,
78 const struct auth_session_info *session_info,
79 struct npa_state **pnpa)
81 TALLOC_CTX *tmp_ctx = talloc_stackframe();
82 struct named_pipe_client *npc;
83 struct tevent_req *subreq;
84 struct npa_state *npa;
89 DEBUG(4, ("Create of internal pipe %s requested\n", pipe_name));
91 npa = npa_state_init(tmp_ctx);
93 status = NT_STATUS_NO_MEMORY;
97 npa->file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
98 npa->device_state = 0xff | 0x0400 | 0x0100;
99 npa->allocation_size = 4096;
101 npc = named_pipe_client_init(npa,
108 npa->allocation_size,
109 NULL); /* private_data */
111 status = NT_STATUS_NO_MEMORY;
114 npa->private_data = (void*) npc;
116 rc = tstream_npa_socketpair(npa->file_type,
122 status = map_nt_error_from_unix(errno);
126 npc->client = tsocket_address_copy(remote_address, npc);
127 if (npc->client == NULL) {
128 status = NT_STATUS_NO_MEMORY;
132 npc->client_name = tsocket_address_inet_addr_string(npc->client, npc);
133 if (npc->client_name == NULL) {
134 status = NT_STATUS_NO_MEMORY;
138 npc->session_info = copy_session_info(npc, session_info);
139 if (npc->session_info == NULL) {
140 status = NT_STATUS_NO_MEMORY;
144 rc = make_server_pipes_struct(npc,
154 status = map_nt_error_from_unix(error);
158 npc->write_queue = tevent_queue_create(npc, "npa_server_write_queue");
159 if (npc->write_queue == NULL) {
160 status = NT_STATUS_NO_MEMORY;
164 subreq = dcerpc_read_ncacn_packet_send(npc, npc->ev, npc->tstream);
165 if (subreq == NULL) {
166 DEBUG(2, ("Failed to start receving packets\n"));
167 status = NT_STATUS_PIPE_BROKEN;
170 tevent_req_set_callback(subreq, named_pipe_packet_process, npc);
172 *pnpa = talloc_steal(mem_ctx, npa);
173 status = NT_STATUS_OK;
175 talloc_free(tmp_ctx);
179 /****************************************************************************
180 Make an internal namedpipes structure
181 ****************************************************************************/
183 struct pipes_struct *make_internal_rpc_pipe_p(TALLOC_CTX *mem_ctx,
184 const struct ndr_syntax_id *syntax,
185 const struct tsocket_address *remote_address,
186 const struct auth_session_info *session_info,
187 struct messaging_context *msg_ctx)
189 struct pipes_struct *p;
190 struct pipe_rpc_fns *context_fns;
191 const char *pipe_name;
193 const struct ndr_interface_table *table;
195 table = ndr_table_by_uuid(&syntax->uuid);
197 DEBUG(0,("unknown interface\n"));
201 pipe_name = dcerpc_default_transport_endpoint(mem_ctx, NCACN_NP, table);
203 DEBUG(4,("Create pipe requested %s\n", pipe_name));
205 ret = make_base_pipes_struct(mem_ctx, msg_ctx, pipe_name,
206 NCALRPC, RPC_LITTLE_ENDIAN,
207 remote_address, NULL, &p);
209 DEBUG(0,("ERROR! no memory for pipes_struct!\n"));
213 if (!init_pipe_handles(p, syntax)) {
214 DEBUG(0,("open_rpc_pipe_p: init_pipe_handles failed.\n"));
219 p->session_info = copy_session_info(p, session_info);
220 if (p->session_info == NULL) {
221 DEBUG(0, ("open_rpc_pipe_p: copy_serverinfo failed\n"));
222 close_policy_by_pipe(p);
227 context_fns = talloc(p, struct pipe_rpc_fns);
228 if (context_fns == NULL) {
229 DEBUG(0,("talloc() failed!\n"));
234 context_fns->next = context_fns->prev = NULL;
235 context_fns->n_cmds = rpc_srv_get_pipe_num_cmds(syntax);
236 context_fns->cmds = rpc_srv_get_pipe_cmds(syntax);
237 context_fns->context_id = 0;
238 context_fns->syntax = *syntax;
240 /* add to the list of open contexts */
241 DLIST_ADD(p->contexts, context_fns);
243 DEBUG(4,("Created internal pipe %s\n", pipe_name));
248 static NTSTATUS rpcint_dispatch(struct pipes_struct *p,
251 const DATA_BLOB *in_data,
254 struct pipe_rpc_fns *fns = find_pipe_fns_by_context(p->contexts, 0);
255 uint32_t num_cmds = fns->n_cmds;
256 const struct api_struct *cmds = fns->cmds;
263 for (i = 0; i < num_cmds; i++) {
264 if (cmds[i].opnum == opnum && cmds[i].fn != NULL) {
270 return NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE;
273 p->in_data.data = *in_data;
274 p->out_data.rdata = data_blob_null;
277 p->in_data.data = data_blob_null;
279 data_blob_free(&p->out_data.rdata);
280 talloc_free_children(p->mem_ctx);
281 return NT_STATUS_RPC_CALL_FAILED;
284 if (p->fault_state) {
287 status = NT_STATUS(p->fault_state);
289 data_blob_free(&p->out_data.rdata);
290 talloc_free_children(p->mem_ctx);
294 *out_data = p->out_data.rdata;
295 talloc_steal(mem_ctx, out_data->data);
296 p->out_data.rdata = data_blob_null;
298 talloc_free_children(p->mem_ctx);
302 struct rpcint_bh_state {
303 struct pipes_struct *p;
306 static bool rpcint_bh_is_connected(struct dcerpc_binding_handle *h)
308 struct rpcint_bh_state *hs = dcerpc_binding_handle_data(h,
309 struct rpcint_bh_state);
318 static uint32_t rpcint_bh_set_timeout(struct dcerpc_binding_handle *h,
321 /* TODO: implement timeouts */
325 struct rpcint_bh_raw_call_state {
331 static struct tevent_req *rpcint_bh_raw_call_send(TALLOC_CTX *mem_ctx,
332 struct tevent_context *ev,
333 struct dcerpc_binding_handle *h,
334 const struct GUID *object,
337 const uint8_t *in_data,
340 struct rpcint_bh_state *hs =
341 dcerpc_binding_handle_data(h,
342 struct rpcint_bh_state);
343 struct tevent_req *req;
344 struct rpcint_bh_raw_call_state *state;
348 req = tevent_req_create(mem_ctx, &state,
349 struct rpcint_bh_raw_call_state);
353 state->in_data.data = discard_const_p(uint8_t, in_data);
354 state->in_data.length = in_length;
356 ok = rpcint_bh_is_connected(h);
358 tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
359 return tevent_req_post(req, ev);
362 /* TODO: allow async */
363 status = rpcint_dispatch(hs->p, state, opnum,
366 if (!NT_STATUS_IS_OK(status)) {
367 tevent_req_nterror(req, status);
368 return tevent_req_post(req, ev);
371 tevent_req_done(req);
372 return tevent_req_post(req, ev);
375 static NTSTATUS rpcint_bh_raw_call_recv(struct tevent_req *req,
381 struct rpcint_bh_raw_call_state *state =
383 struct rpcint_bh_raw_call_state);
386 if (tevent_req_is_nterror(req, &status)) {
387 tevent_req_received(req);
391 *out_data = talloc_move(mem_ctx, &state->out_data.data);
392 *out_length = state->out_data.length;
394 tevent_req_received(req);
398 struct rpcint_bh_disconnect_state {
402 static struct tevent_req *rpcint_bh_disconnect_send(TALLOC_CTX *mem_ctx,
403 struct tevent_context *ev,
404 struct dcerpc_binding_handle *h)
406 struct rpcint_bh_state *hs = dcerpc_binding_handle_data(h,
407 struct rpcint_bh_state);
408 struct tevent_req *req;
409 struct rpcint_bh_disconnect_state *state;
412 req = tevent_req_create(mem_ctx, &state,
413 struct rpcint_bh_disconnect_state);
418 ok = rpcint_bh_is_connected(h);
420 tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
421 return tevent_req_post(req, ev);
425 * TODO: do a real async disconnect ...
427 * For now the caller needs to free pipes_struct
431 tevent_req_done(req);
432 return tevent_req_post(req, ev);
435 static NTSTATUS rpcint_bh_disconnect_recv(struct tevent_req *req)
439 if (tevent_req_is_nterror(req, &status)) {
440 tevent_req_received(req);
444 tevent_req_received(req);
448 static bool rpcint_bh_ref_alloc(struct dcerpc_binding_handle *h)
453 static void rpcint_bh_do_ndr_print(struct dcerpc_binding_handle *h,
455 const void *_struct_ptr,
456 const struct ndr_interface_call *call)
458 void *struct_ptr = discard_const(_struct_ptr);
460 if (DEBUGLEVEL < 11) {
464 if (ndr_flags & NDR_IN) {
465 ndr_print_function_debug(call->ndr_print,
470 if (ndr_flags & NDR_OUT) {
471 ndr_print_function_debug(call->ndr_print,
478 static const struct dcerpc_binding_handle_ops rpcint_bh_ops = {
480 .is_connected = rpcint_bh_is_connected,
481 .set_timeout = rpcint_bh_set_timeout,
482 .raw_call_send = rpcint_bh_raw_call_send,
483 .raw_call_recv = rpcint_bh_raw_call_recv,
484 .disconnect_send = rpcint_bh_disconnect_send,
485 .disconnect_recv = rpcint_bh_disconnect_recv,
487 .ref_alloc = rpcint_bh_ref_alloc,
488 .do_ndr_print = rpcint_bh_do_ndr_print,
491 static NTSTATUS rpcint_binding_handle_ex(TALLOC_CTX *mem_ctx,
492 const struct ndr_syntax_id *abstract_syntax,
493 const struct ndr_interface_table *ndr_table,
494 const struct tsocket_address *remote_address,
495 const struct auth_session_info *session_info,
496 struct messaging_context *msg_ctx,
497 struct dcerpc_binding_handle **binding_handle)
499 struct dcerpc_binding_handle *h;
500 struct rpcint_bh_state *hs;
503 abstract_syntax = &ndr_table->syntax_id;
506 h = dcerpc_binding_handle_create(mem_ctx,
511 struct rpcint_bh_state,
514 return NT_STATUS_NO_MEMORY;
516 hs->p = make_internal_rpc_pipe_p(hs,
523 return NT_STATUS_NO_MEMORY;
530 * @brief Create a new DCERPC Binding Handle which uses a local dispatch function.
532 * @param[in] mem_ctx The memory context to use.
534 * @param[in] ndr_table Normally the ndr_table_<name>.
536 * @param[in] remote_address The info about the connected client.
538 * @param[in] serversupplied_info The server supplied authentication function.
540 * @param[in] msg_ctx The messaging context that can be used by the server
542 * @param[out] binding_handle A pointer to store the connected
543 * dcerpc_binding_handle
545 * @return NT_STATUS_OK on success, a corresponding NT status if an
549 * struct dcerpc_binding_handle *winreg_binding;
552 * status = rpcint_binding_handle(tmp_ctx,
560 NTSTATUS rpcint_binding_handle(TALLOC_CTX *mem_ctx,
561 const struct ndr_interface_table *ndr_table,
562 const struct tsocket_address *remote_address,
563 const struct auth_session_info *session_info,
564 struct messaging_context *msg_ctx,
565 struct dcerpc_binding_handle **binding_handle)
567 return rpcint_binding_handle_ex(mem_ctx, NULL, ndr_table, remote_address,
568 session_info, msg_ctx, binding_handle);
574 * @brief Create a new RPC client context which uses a local transport.
576 * This creates a local transport. It is a shortcut to directly call the server
577 * functions and avoid marshalling.
578 * NOTE: this function should be used only by rpc_pipe_open_interface()
580 * @param[in] mem_ctx The memory context to use.
582 * @param[in] abstract_syntax Normally the syntax_id of the autogenerated
585 * @param[in] serversupplied_info The server supplied authentication function.
587 * @param[in] remote_address The client address information.
589 * @param[in] msg_ctx The messaging context to use.
591 * @param[out] presult A pointer to store the connected rpc client pipe.
593 * @return NT_STATUS_OK on success, a corresponding NT status if an
596 NTSTATUS rpc_pipe_open_internal(TALLOC_CTX *mem_ctx,
597 const struct ndr_syntax_id *abstract_syntax,
598 const struct auth_session_info *session_info,
599 const struct tsocket_address *remote_address,
600 struct messaging_context *msg_ctx,
601 struct rpc_pipe_client **presult)
603 struct rpc_pipe_client *result;
606 result = talloc_zero(mem_ctx, struct rpc_pipe_client);
607 if (result == NULL) {
608 return NT_STATUS_NO_MEMORY;
611 result->abstract_syntax = *abstract_syntax;
612 result->transfer_syntax = ndr_transfer_syntax_ndr;
614 if (remote_address == NULL) {
615 struct tsocket_address *local;
618 rc = tsocket_address_inet_from_strings(mem_ctx,
625 return NT_STATUS_NO_MEMORY;
628 remote_address = local;
631 result->max_xmit_frag = -1;
632 result->max_recv_frag = -1;
634 status = rpcint_binding_handle_ex(result,
640 &result->binding_handle);
641 if (!NT_STATUS_IS_OK(status)) {
650 /****************************************************************************
651 * External pipes functions
652 ***************************************************************************/
654 NTSTATUS make_external_rpc_pipe(TALLOC_CTX *mem_ctx,
655 const char *pipe_name,
656 const struct tsocket_address *local_address,
657 const struct tsocket_address *remote_address,
658 const struct auth_session_info *session_info,
659 struct npa_state **pnpa)
661 TALLOC_CTX *tmp_ctx = talloc_stackframe();
662 struct auth_session_info_transport *session_info_t;
663 struct tevent_context *ev_ctx;
664 struct tevent_req *subreq;
665 const char *socket_np_dir;
666 const char *socket_dir;
667 struct npa_state *npa;
673 npa = npa_state_init(tmp_ctx);
675 status = NT_STATUS_NO_MEMORY;
679 socket_dir = lp_parm_const_string(GLOBAL_SECTION_SNUM,
683 if (socket_dir == NULL) {
684 DEBUG(0, ("external_rpc_pipe: socket_dir not set\n"));
685 status = NT_STATUS_PIPE_NOT_AVAILABLE;
689 socket_np_dir = talloc_asprintf(tmp_ctx, "%s/np", socket_dir);
690 if (socket_np_dir == NULL) {
691 DEBUG(0, ("talloc_asprintf failed\n"));
692 status = NT_STATUS_NO_MEMORY;
696 session_info_t = talloc_zero(tmp_ctx,
697 struct auth_session_info_transport);
698 if (session_info_t == NULL) {
699 DEBUG(0, ("talloc failed\n"));
700 status = NT_STATUS_NO_MEMORY;
704 session_info_t->session_info = copy_session_info(session_info_t,
706 if (session_info_t->session_info == NULL) {
707 DEBUG(0, ("copy_session_info failed\n"));
708 status = NT_STATUS_NO_MEMORY;
712 ev_ctx = s3_tevent_context_init(tmp_ctx);
713 if (ev_ctx == NULL) {
714 DEBUG(0, ("s3_tevent_context_init failed\n"));
715 status = NT_STATUS_NO_MEMORY;
720 subreq = tstream_npa_connect_send(tmp_ctx,
724 remote_address, /* client_addr */
725 NULL, /* client_name */
726 local_address, /* server_addr */
727 NULL, /* server_name */
729 if (subreq == NULL) {
731 DEBUG(0, ("tstream_npa_connect_send to %s for pipe %s and "
732 "user %s\\%s failed\n",
733 socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
734 session_info_t->session_info->info->account_name));
735 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
738 ok = tevent_req_poll(subreq, ev_ctx);
741 DEBUG(0, ("tevent_req_poll to %s for pipe %s and user %s\\%s "
742 "failed for tstream_npa_connect: %s\n",
745 session_info_t->session_info->info->domain_name,
746 session_info_t->session_info->info->account_name,
748 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
752 rc = tstream_npa_connect_recv(subreq,
758 &npa->allocation_size);
763 if (errno == ENOENT) {
767 DEBUG(l, ("tstream_npa_connect_recv to %s for pipe %s and "
768 "user %s\\%s failed: %s\n",
771 session_info_t->session_info->info->domain_name,
772 session_info_t->session_info->info->account_name,
773 strerror(sys_errno)));
774 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
778 *pnpa = talloc_steal(mem_ctx, npa);
779 status = NT_STATUS_OK;
781 talloc_free(tmp_ctx);
786 struct np_proxy_state *make_external_rpc_pipe_p(TALLOC_CTX *mem_ctx,
787 const char *pipe_name,
788 const struct tsocket_address *local_address,
789 const struct tsocket_address *remote_address,
790 const struct auth_session_info *session_info)
792 struct np_proxy_state *result;
794 const char *socket_dir;
795 struct tevent_context *ev;
796 struct tevent_req *subreq;
797 struct auth_session_info_transport *session_info_t;
802 result = talloc(mem_ctx, struct np_proxy_state);
803 if (result == NULL) {
804 DEBUG(0, ("talloc failed\n"));
808 result->read_queue = tevent_queue_create(result, "np_read");
809 if (result->read_queue == NULL) {
810 DEBUG(0, ("tevent_queue_create failed\n"));
814 result->write_queue = tevent_queue_create(result, "np_write");
815 if (result->write_queue == NULL) {
816 DEBUG(0, ("tevent_queue_create failed\n"));
820 ev = s3_tevent_context_init(talloc_tos());
822 DEBUG(0, ("s3_tevent_context_init failed\n"));
826 socket_dir = lp_parm_const_string(
827 GLOBAL_SECTION_SNUM, "external_rpc_pipe", "socket_dir",
829 if (socket_dir == NULL) {
830 DEBUG(0, ("external_rpc_pipe:socket_dir not set\n"));
833 socket_np_dir = talloc_asprintf(talloc_tos(), "%s/np", socket_dir);
834 if (socket_np_dir == NULL) {
835 DEBUG(0, ("talloc_asprintf failed\n"));
839 session_info_t = talloc_zero(talloc_tos(), struct auth_session_info_transport);
840 if (session_info_t == NULL) {
841 DEBUG(0, ("talloc failed\n"));
845 session_info_t->session_info = copy_session_info(session_info_t,
847 if (session_info_t->session_info == NULL) {
848 DEBUG(0, ("copy_session_info failed\n"));
853 subreq = tstream_npa_connect_send(talloc_tos(), ev,
856 remote_address, /* client_addr */
857 NULL, /* client_name */
858 local_address, /* server_addr */
859 NULL, /* server_name */
861 if (subreq == NULL) {
863 DEBUG(0, ("tstream_npa_connect_send to %s for pipe %s and "
864 "user %s\\%s failed\n",
865 socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
866 session_info_t->session_info->info->account_name));
869 ok = tevent_req_poll(subreq, ev);
872 DEBUG(0, ("tevent_req_poll to %s for pipe %s and user %s\\%s "
873 "failed for tstream_npa_connect: %s\n",
874 socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
875 session_info_t->session_info->info->account_name,
880 ret = tstream_npa_connect_recv(subreq, &sys_errno,
884 &result->device_state,
885 &result->allocation_size);
889 if (errno == ENOENT) {
892 DEBUG(l, ("tstream_npa_connect_recv to %s for pipe %s and "
893 "user %s\\%s failed: %s\n",
894 socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
895 session_info_t->session_info->info->account_name,
896 strerror(sys_errno)));
907 static NTSTATUS rpc_pipe_open_external(TALLOC_CTX *mem_ctx,
908 const char *pipe_name,
909 const struct ndr_interface_table *table,
910 const struct auth_session_info *session_info,
911 struct rpc_pipe_client **_result)
913 struct tsocket_address *local, *remote;
914 struct rpc_pipe_client *result = NULL;
915 struct np_proxy_state *proxy_state = NULL;
916 struct pipe_auth_data *auth;
920 /* this is an internal connection, fake up ip addresses */
921 ret = tsocket_address_inet_from_strings(talloc_tos(), "ip",
924 return NT_STATUS_NO_MEMORY;
926 ret = tsocket_address_inet_from_strings(talloc_tos(), "ip",
929 return NT_STATUS_NO_MEMORY;
932 proxy_state = make_external_rpc_pipe_p(mem_ctx, pipe_name,
933 local, remote, session_info);
935 DEBUG(1, ("Unable to make proxy_state for connection to %s.\n", pipe_name));
936 return NT_STATUS_UNSUCCESSFUL;
939 result = talloc_zero(mem_ctx, struct rpc_pipe_client);
940 if (result == NULL) {
941 status = NT_STATUS_NO_MEMORY;
945 result->abstract_syntax = table->syntax_id;
946 result->transfer_syntax = ndr_transfer_syntax_ndr;
948 result->desthost = get_myname(result);
949 result->srv_name_slash = talloc_asprintf_strupper_m(
950 result, "\\\\%s", result->desthost);
951 if ((result->desthost == NULL) || (result->srv_name_slash == NULL)) {
952 status = NT_STATUS_NO_MEMORY;
956 result->max_xmit_frag = RPC_MAX_PDU_FRAG_LEN;
957 result->max_recv_frag = RPC_MAX_PDU_FRAG_LEN;
959 status = rpc_transport_tstream_init(result,
962 if (!NT_STATUS_IS_OK(status)) {
966 result->binding_handle = rpccli_bh_create(result, NULL, table);
967 if (result->binding_handle == NULL) {
968 status = NT_STATUS_NO_MEMORY;
969 DEBUG(0, ("Failed to create binding handle.\n"));
973 result->auth = talloc_zero(result, struct pipe_auth_data);
975 status = NT_STATUS_NO_MEMORY;
978 result->auth->auth_type = DCERPC_AUTH_TYPE_NONE;
979 result->auth->auth_level = DCERPC_AUTH_LEVEL_NONE;
981 status = rpccli_anon_bind_data(result, &auth);
982 if (!NT_STATUS_IS_OK(status)) {
983 DEBUG(0, ("Failed to initialize anonymous bind.\n"));
987 status = rpc_pipe_bind(result, auth);
988 if (!NT_STATUS_IS_OK(status)) {
989 DEBUG(0, ("Failed to bind external pipe.\n"));
994 if (!NT_STATUS_IS_OK(status)) {
997 TALLOC_FREE(proxy_state);
1003 * @brief Create a new RPC client context which uses a local dispatch function
1004 * or a remote transport, depending on rpc_server configuration for the
1007 * @param[in] mem_ctx The memory context to use.
1009 * @param[in] abstract_syntax Normally the syntax_id of the autogenerated
1012 * @param[in] serversupplied_info The server supplied authentication function.
1014 * @param[in] remote_address The client address information.
1016 * @param[in] msg_ctx The messaging context to use.
1018 * @param[out] presult A pointer to store the connected rpc client pipe.
1020 * @return NT_STATUS_OK on success, a corresponding NT status if an
1024 * struct rpc_pipe_client *winreg_pipe;
1027 * status = rpc_pipe_open_interface(tmp_ctx,
1028 * &ndr_table_winreg.syntax_id,
1035 NTSTATUS rpc_pipe_open_interface(TALLOC_CTX *mem_ctx,
1036 const struct ndr_interface_table *table,
1037 const struct auth_session_info *session_info,
1038 const struct tsocket_address *remote_address,
1039 struct messaging_context *msg_ctx,
1040 struct rpc_pipe_client **cli_pipe)
1042 struct rpc_pipe_client *cli = NULL;
1043 enum rpc_service_mode_e pipe_mode;
1044 const char *pipe_name;
1046 TALLOC_CTX *tmp_ctx;
1048 if (cli_pipe != NULL) {
1049 if (rpccli_is_connected(*cli_pipe)) {
1050 return NT_STATUS_OK;
1052 TALLOC_FREE(*cli_pipe);
1056 tmp_ctx = talloc_stackframe();
1057 if (tmp_ctx == NULL) {
1058 return NT_STATUS_NO_MEMORY;
1061 pipe_name = dcerpc_default_transport_endpoint(mem_ctx, NCACN_NP, table);
1062 if (pipe_name == NULL) {
1063 DEBUG(1, ("Unable to find pipe name to forward %s to.\n", table->name));
1064 status = NT_STATUS_INVALID_PARAMETER;
1068 while (pipe_name[0] == '\\') {
1072 DEBUG(5, ("Connecting to %s pipe.\n", pipe_name));
1074 pipe_mode = rpc_service_mode(pipe_name);
1076 switch (pipe_mode) {
1077 case RPC_SERVICE_MODE_EMBEDDED:
1078 status = rpc_pipe_open_internal(tmp_ctx,
1079 &table->syntax_id, session_info,
1080 remote_address, msg_ctx,
1082 if (!NT_STATUS_IS_OK(status)) {
1086 case RPC_SERVICE_MODE_EXTERNAL:
1087 /* It would be nice to just use rpc_pipe_open_ncalrpc() but
1088 * for now we need to use the special proxy setup to connect
1091 status = rpc_pipe_open_external(tmp_ctx,
1095 if (!NT_STATUS_IS_OK(status)) {
1099 case RPC_SERVICE_MODE_DISABLED:
1100 status = NT_STATUS_NOT_IMPLEMENTED;
1101 DEBUG(0, ("Service pipe %s is disabled in config file: %s",
1102 pipe_name, nt_errstr(status)));
1106 status = NT_STATUS_OK;
1108 if (NT_STATUS_IS_OK(status) && cli_pipe != NULL) {
1109 *cli_pipe = talloc_move(mem_ctx, &cli);
1111 TALLOC_FREE(tmp_ctx);