2 Unix SMB/CIFS implementation.
4 DCERPC client side interface structures
6 Copyright (C) Tim Potter 2003
7 Copyright (C) Andrew Tridgell 2003-2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 /* This is a public header file that is installed as part of Samba.
24 * If you remove any functions or change their signature, update
25 * the so version number. */
30 #include "../lib/util/data_blob.h"
31 #include "librpc/gen_ndr/dcerpc.h"
32 #include "../librpc/ndr/libndr.h"
34 struct tevent_context
;
36 struct dcerpc_binding_handle
;
37 struct tstream_context
;
39 enum dcerpc_transport_t
{
40 NCA_UNKNOWN
, NCACN_NP
, NCACN_IP_TCP
, NCACN_IP_UDP
, NCACN_VNS_IPC
,
41 NCACN_VNS_SPP
, NCACN_AT_DSP
, NCADG_AT_DDP
, NCALRPC
, NCACN_UNIX_STREAM
,
42 NCADG_UNIX_DGRAM
, NCACN_HTTP
, NCADG_IPX
, NCACN_SPX
, NCACN_INTERNAL
};
45 this defines a generic security context for signed/sealed dcerpc pipes.
47 struct dcerpc_connection
;
48 struct gensec_settings
;
49 struct dcerpc_security
{
50 struct dcerpc_auth
*auth_info
;
51 struct gensec_security
*generic_state
;
53 /* get the session key */
54 NTSTATUS (*session_key
)(struct dcerpc_connection
*, DATA_BLOB
*);
58 this holds the information that is not specific to a particular rpc context_id
60 struct dcerpc_connection
{
62 uint32_t srv_max_xmit_frag
;
63 uint32_t srv_max_recv_frag
;
65 struct dcerpc_security security_state
;
66 const char *binding_string
;
67 struct tevent_context
*event_ctx
;
69 /** Directory in which to save ndrdump-parseable files */
70 const char *packet_log_dir
;
75 struct dcerpc_transport
{
76 enum dcerpc_transport_t transport
;
79 NTSTATUS (*shutdown_pipe
)(struct dcerpc_connection
*, NTSTATUS status
);
81 const char *(*peer_name
)(struct dcerpc_connection
*);
83 const char *(*target_hostname
)(struct dcerpc_connection
*);
85 /* send a request to the server */
86 NTSTATUS (*send_request
)(struct dcerpc_connection
*, DATA_BLOB
*, bool trigger_read
);
88 /* send a read request to the server */
89 NTSTATUS (*send_read
)(struct dcerpc_connection
*);
91 /* a callback to the dcerpc code when a full fragment
93 void (*recv_data
)(struct dcerpc_connection
*, DATA_BLOB
*, NTSTATUS status
);
96 /* Requests that have been sent, waiting for a reply */
97 struct rpc_request
*pending
;
99 /* Sync requests waiting to be shipped */
100 struct rpc_request
*request_queue
;
102 /* the next context_id to be assigned */
103 uint32_t next_context_id
;
107 this encapsulates a full dcerpc client side pipe
110 struct dcerpc_binding_handle
*binding_handle
;
114 uint32_t assoc_group_id
;
116 struct ndr_syntax_id syntax
;
117 struct ndr_syntax_id transfer_syntax
;
119 struct dcerpc_connection
*conn
;
120 struct dcerpc_binding
*binding
;
122 /** the last fault code from a DCERPC fault */
123 uint32_t last_fault_code
;
125 /** timeout for individual rpc requests, in seconds */
126 uint32_t request_timeout
;
129 /* default timeout for all rpc requests, in seconds */
130 #define DCERPC_REQUEST_TIMEOUT 60
133 /* dcerpc pipe flags */
134 #define DCERPC_DEBUG_PRINT_IN (1<<0)
135 #define DCERPC_DEBUG_PRINT_OUT (1<<1)
136 #define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)
138 #define DCERPC_DEBUG_VALIDATE_IN (1<<2)
139 #define DCERPC_DEBUG_VALIDATE_OUT (1<<3)
140 #define DCERPC_DEBUG_VALIDATE_BOTH (DCERPC_DEBUG_VALIDATE_IN | DCERPC_DEBUG_VALIDATE_OUT)
142 #define DCERPC_CONNECT (1<<4)
143 #define DCERPC_SIGN (1<<5)
144 #define DCERPC_SEAL (1<<6)
146 #define DCERPC_PUSH_BIGENDIAN (1<<7)
147 #define DCERPC_PULL_BIGENDIAN (1<<8)
149 #define DCERPC_SCHANNEL (1<<9)
151 #define DCERPC_ANON_FALLBACK (1<<10)
153 /* use a 128 bit session key */
154 #define DCERPC_SCHANNEL_128 (1<<12)
156 /* check incoming pad bytes */
157 #define DCERPC_DEBUG_PAD_CHECK (1<<13)
159 /* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
160 #define DCERPC_NDR_REF_ALLOC (1<<14)
162 #define DCERPC_AUTH_OPTIONS (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL|DCERPC_AUTH_SPNEGO|DCERPC_AUTH_KRB5|DCERPC_AUTH_NTLM)
164 /* select spnego auth */
165 #define DCERPC_AUTH_SPNEGO (1<<15)
167 /* select krb5 auth */
168 #define DCERPC_AUTH_KRB5 (1<<16)
170 #define DCERPC_SMB2 (1<<17)
172 /* select NTLM auth */
173 #define DCERPC_AUTH_NTLM (1<<18)
175 /* this triggers the DCERPC_PFC_FLAG_CONC_MPX flag in the bind request */
176 #define DCERPC_CONCURRENT_MULTIPLEX (1<<19)
178 /* this triggers the DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN flag in the bind request */
179 #define DCERPC_HEADER_SIGNING (1<<20)
181 /* use NDR64 transport */
182 #define DCERPC_NDR64 (1<<21)
184 /* specify binding interface */
185 #define DCERPC_LOCALADDRESS (1<<22)
187 /* this describes a binding to a particular transport/pipe */
188 struct dcerpc_binding
{
189 enum dcerpc_transport_t transport
;
190 struct ndr_syntax_id object
;
192 const char *target_hostname
;
193 const char *endpoint
;
194 const char **options
;
195 const char *localaddress
;
197 uint32_t assoc_group_id
;
201 struct dcerpc_pipe_connect
{
202 struct dcerpc_pipe
*pipe
;
203 struct dcerpc_binding
*binding
;
204 const char *pipe_name
;
205 const struct ndr_interface_table
*interface
;
206 struct cli_credentials
*creds
;
207 struct resolve_context
*resolve_ctx
;
211 enum rpc_request_state
{
218 handle for an async dcerpc request
221 struct rpc_request
*next
, *prev
;
222 struct dcerpc_pipe
*p
;
225 enum rpc_request_state state
;
230 /* this is used to distinguish bind and alter_context requests
231 from normal requests */
232 void (*recv_handler
)(struct rpc_request
*conn
,
233 DATA_BLOB
*blob
, struct ncacn_packet
*pkt
);
235 const struct GUID
*object
;
237 DATA_BLOB request_data
;
240 /* use by the ndr level async recv call */
242 const struct ndr_interface_table
*table
;
249 void (*callback
)(struct rpc_request
*);
259 struct socket_address
;
261 NTSTATUS
dcerpc_pipe_connect(TALLOC_CTX
*parent_ctx
,
262 struct dcerpc_pipe
**pp
,
264 const struct ndr_interface_table
*table
,
265 struct cli_credentials
*credentials
,
266 struct tevent_context
*ev
,
267 struct loadparm_context
*lp_ctx
);
268 NTSTATUS
dcerpc_ndr_request_recv(struct rpc_request
*req
);
269 struct rpc_request
*dcerpc_ndr_request_send(struct dcerpc_pipe
*p
,
270 const struct GUID
*object
,
271 const struct ndr_interface_table
*table
,
276 const char *dcerpc_server_name(struct dcerpc_pipe
*p
);
277 struct dcerpc_pipe
*dcerpc_pipe_init(TALLOC_CTX
*mem_ctx
, struct tevent_context
*ev
);
278 NTSTATUS
dcerpc_pipe_open_smb(struct dcerpc_pipe
*p
,
279 struct smbcli_tree
*tree
,
280 const char *pipe_name
);
281 NTSTATUS
dcerpc_bind_auth_none(struct dcerpc_pipe
*p
,
282 const struct ndr_interface_table
*table
);
283 NTSTATUS
dcerpc_fetch_session_key(struct dcerpc_pipe
*p
,
284 DATA_BLOB
*session_key
);
285 struct composite_context
;
286 NTSTATUS
dcerpc_secondary_connection_recv(struct composite_context
*c
,
287 struct dcerpc_pipe
**p2
);
288 NTSTATUS
dcerpc_parse_binding(TALLOC_CTX
*mem_ctx
, const char *s
, struct dcerpc_binding
**b_out
);
290 struct composite_context
* dcerpc_pipe_connect_b_send(TALLOC_CTX
*parent_ctx
,
291 struct dcerpc_binding
*binding
,
292 const struct ndr_interface_table
*table
,
293 struct cli_credentials
*credentials
,
294 struct tevent_context
*ev
,
295 struct loadparm_context
*lp_ctx
);
297 NTSTATUS
dcerpc_pipe_connect_b_recv(struct composite_context
*c
, TALLOC_CTX
*mem_ctx
,
298 struct dcerpc_pipe
**p
);
300 NTSTATUS
dcerpc_pipe_connect_b(TALLOC_CTX
*parent_ctx
,
301 struct dcerpc_pipe
**pp
,
302 struct dcerpc_binding
*binding
,
303 const struct ndr_interface_table
*table
,
304 struct cli_credentials
*credentials
,
305 struct tevent_context
*ev
,
306 struct loadparm_context
*lp_ctx
);
307 const char *dcerpc_errstr(TALLOC_CTX
*mem_ctx
, uint32_t fault_code
);
308 NTSTATUS
dcerpc_fault_to_nt_status(uint32_t fault_code
);
310 NTSTATUS
dcerpc_pipe_auth(TALLOC_CTX
*mem_ctx
,
311 struct dcerpc_pipe
**p
,
312 struct dcerpc_binding
*binding
,
313 const struct ndr_interface_table
*table
,
314 struct cli_credentials
*credentials
,
315 struct loadparm_context
*lp_ctx
);
316 char *dcerpc_binding_string(TALLOC_CTX
*mem_ctx
, const struct dcerpc_binding
*b
);
317 NTSTATUS
dcerpc_secondary_connection(struct dcerpc_pipe
*p
,
318 struct dcerpc_pipe
**p2
,
319 struct dcerpc_binding
*b
);
320 NTSTATUS
dcerpc_bind_auth_schannel(TALLOC_CTX
*tmp_ctx
,
321 struct dcerpc_pipe
*p
,
322 const struct ndr_interface_table
*table
,
323 struct cli_credentials
*credentials
,
324 struct loadparm_context
*lp_ctx
,
326 struct tevent_context
*dcerpc_event_context(struct dcerpc_pipe
*p
);
327 NTSTATUS
dcerpc_init(struct loadparm_context
*lp_ctx
);
328 struct smbcli_tree
*dcerpc_smb_tree(struct dcerpc_connection
*c
);
329 uint16_t dcerpc_smb_fnum(struct dcerpc_connection
*c
);
330 NTSTATUS
dcerpc_secondary_context(struct dcerpc_pipe
*p
,
331 struct dcerpc_pipe
**pp2
,
332 const struct ndr_interface_table
*table
);
333 NTSTATUS
dcerpc_alter_context(struct dcerpc_pipe
*p
,
335 const struct ndr_syntax_id
*syntax
,
336 const struct ndr_syntax_id
*transfer_syntax
);
338 NTSTATUS
dcerpc_bind_auth(struct dcerpc_pipe
*p
,
339 const struct ndr_interface_table
*table
,
340 struct cli_credentials
*credentials
,
341 struct gensec_settings
*gensec_settings
,
342 uint8_t auth_type
, uint8_t auth_level
,
343 const char *service
);
344 struct composite_context
* dcerpc_pipe_connect_send(TALLOC_CTX
*parent_ctx
,
346 const struct ndr_interface_table
*table
,
347 struct cli_credentials
*credentials
,
348 struct tevent_context
*ev
, struct loadparm_context
*lp_ctx
);
349 NTSTATUS
dcerpc_pipe_connect_recv(struct composite_context
*c
,
351 struct dcerpc_pipe
**pp
);
353 NTSTATUS
dcerpc_epm_map_binding(TALLOC_CTX
*mem_ctx
, struct dcerpc_binding
*binding
,
354 const struct ndr_interface_table
*table
, struct tevent_context
*ev
,
355 struct loadparm_context
*lp_ctx
);
356 struct composite_context
* dcerpc_secondary_auth_connection_send(struct dcerpc_pipe
*p
,
357 struct dcerpc_binding
*binding
,
358 const struct ndr_interface_table
*table
,
359 struct cli_credentials
*credentials
,
360 struct loadparm_context
*lp_ctx
);
361 NTSTATUS
dcerpc_secondary_auth_connection_recv(struct composite_context
*c
,
363 struct dcerpc_pipe
**p
);
365 struct composite_context
* dcerpc_secondary_connection_send(struct dcerpc_pipe
*p
,
366 struct dcerpc_binding
*b
);
367 void dcerpc_log_packet(const char *lockdir
,
368 const struct ndr_interface_table
*ndr
,
369 uint32_t opnum
, uint32_t flags
,
370 const DATA_BLOB
*pkt
);
371 NTSTATUS
dcerpc_binding_build_tower(TALLOC_CTX
*mem_ctx
,
372 const struct dcerpc_binding
*binding
,
373 struct epm_tower
*tower
);
375 NTSTATUS
dcerpc_floor_get_lhs_data(const struct epm_floor
*epm_floor
, struct ndr_syntax_id
*syntax
);
377 enum dcerpc_transport_t
dcerpc_transport_by_tower(const struct epm_tower
*tower
);
378 const char *derpc_transport_string_by_transport(enum dcerpc_transport_t t
);
380 NTSTATUS
dcerpc_ndr_request(struct dcerpc_pipe
*p
,
381 const struct GUID
*object
,
382 const struct ndr_interface_table
*table
,
387 NTSTATUS
dcerpc_binding_from_tower(TALLOC_CTX
*mem_ctx
,
388 struct epm_tower
*tower
,
389 struct dcerpc_binding
**b_out
);
391 NTSTATUS
dcerpc_request(struct dcerpc_pipe
*p
,
395 DATA_BLOB
*stub_data_in
,
396 DATA_BLOB
*stub_data_out
);
398 enum dcerpc_transport_t
dcerpc_transport_by_endpoint_protocol(int prot
);
400 const char *dcerpc_floor_get_rhs_data(TALLOC_CTX
*mem_ctx
, struct epm_floor
*epm_floor
);
402 struct tevent_req
*dcerpc_read_ncacn_packet_send(TALLOC_CTX
*mem_ctx
,
403 struct tevent_context
*ev
,
404 struct tstream_context
*stream
);
405 NTSTATUS
dcerpc_read_ncacn_packet_recv(struct tevent_req
*req
,
407 struct ncacn_packet
**pkt
,
410 struct dcerpc_binding_handle_ops
{
413 bool (*is_connected
)(struct dcerpc_binding_handle
*h
);
414 uint32_t (*set_timeout
)(struct dcerpc_binding_handle
*h
,
417 struct tevent_req
*(*raw_call_send
)(TALLOC_CTX
*mem_ctx
,
418 struct tevent_context
*ev
,
419 struct dcerpc_binding_handle
*h
,
420 const struct GUID
*object
,
423 const uint8_t *in_data
,
425 NTSTATUS (*raw_call_recv
)(struct tevent_req
*req
,
429 uint32_t *out_flags
);
431 struct tevent_req
*(*disconnect_send
)(TALLOC_CTX
*mem_ctx
,
432 struct tevent_context
*ev
,
433 struct dcerpc_binding_handle
*h
);
434 NTSTATUS (*disconnect_recv
)(struct tevent_req
*req
);
436 /* TODO: remove the following functions */
437 bool (*push_bigendian
)(struct dcerpc_binding_handle
*h
);
438 bool (*ref_alloc
)(struct dcerpc_binding_handle
*h
);
439 bool (*use_ndr64
)(struct dcerpc_binding_handle
*h
);
440 void (*do_ndr_print
)(struct dcerpc_binding_handle
*h
,
442 const void *struct_ptr
,
443 const struct ndr_interface_call
*call
);
444 void (*ndr_push_failed
)(struct dcerpc_binding_handle
*h
,
446 const void *struct_ptr
,
447 const struct ndr_interface_call
*call
);
448 void (*ndr_pull_failed
)(struct dcerpc_binding_handle
*h
,
450 const DATA_BLOB
*blob
,
451 const struct ndr_interface_call
*call
);
452 NTSTATUS (*ndr_validate_in
)(struct dcerpc_binding_handle
*h
,
454 const DATA_BLOB
*blob
,
455 const struct ndr_interface_call
*call
);
456 NTSTATUS (*ndr_validate_out
)(struct dcerpc_binding_handle
*h
,
457 struct ndr_pull
*pull_in
,
458 const void *struct_ptr
,
459 const struct ndr_interface_call
*call
);
462 struct dcerpc_binding_handle
*_dcerpc_binding_handle_create(TALLOC_CTX
*mem_ctx
,
463 const struct dcerpc_binding_handle_ops
*ops
,
464 const struct GUID
*object
,
465 const struct ndr_interface_table
*table
,
469 const char *location
);
470 #define dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
471 state, type, location) \
472 _dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
473 state, sizeof(type), #type, location)
475 void *_dcerpc_binding_handle_data(struct dcerpc_binding_handle
*h
);
476 #define dcerpc_binding_handle_data(_h, _type) \
477 talloc_get_type_abort(_dcerpc_binding_handle_data(_h), _type)
479 _DEPRECATED_
void dcerpc_binding_handle_set_sync_ev(struct dcerpc_binding_handle
*h
,
480 struct tevent_context
*ev
);
482 bool dcerpc_binding_handle_is_connected(struct dcerpc_binding_handle
*h
);
484 uint32_t dcerpc_binding_handle_set_timeout(struct dcerpc_binding_handle
*h
,
487 struct tevent_req
*dcerpc_binding_handle_raw_call_send(TALLOC_CTX
*mem_ctx
,
488 struct tevent_context
*ev
,
489 struct dcerpc_binding_handle
*h
,
490 const struct GUID
*object
,
493 const uint8_t *in_data
,
495 NTSTATUS
dcerpc_binding_handle_raw_call_recv(struct tevent_req
*req
,
499 uint32_t *out_flags
);
501 struct tevent_req
*dcerpc_binding_handle_disconnect_send(TALLOC_CTX
*mem_ctx
,
502 struct tevent_context
*ev
,
503 struct dcerpc_binding_handle
*h
);
504 NTSTATUS
dcerpc_binding_handle_disconnect_recv(struct tevent_req
*req
);
506 struct tevent_req
*dcerpc_binding_handle_call_send(TALLOC_CTX
*mem_ctx
,
507 struct tevent_context
*ev
,
508 struct dcerpc_binding_handle
*h
,
509 const struct GUID
*object
,
510 const struct ndr_interface_table
*table
,
514 NTSTATUS
dcerpc_binding_handle_call_recv(struct tevent_req
*req
);
515 NTSTATUS
dcerpc_binding_handle_call(struct dcerpc_binding_handle
*h
,
516 const struct GUID
*object
,
517 const struct ndr_interface_table
*table
,
522 #endif /* __DCERPC_H__ */