summaryrefslogtreecommitdiff
path: root/source3/librpc/rpc/dcerpc.h
blob: 318364575f90fdf3e23446d0afd00dc1f6010503 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
/* 
   Unix SMB/CIFS implementation.

   DCERPC client side interface structures

   Copyright (C) 2008 Jelmer Vernooij
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/* This is a public header file that is installed as part of Samba. 
 * If you remove any functions or change their signature, update 
 * the so version number. */

#ifndef __DCERPC_H__
#define __DCERPC_H__

#define SMB_RPC_INTERFACE_VERSION 1

enum dcerpc_transport_t {
	NCA_UNKNOWN, NCACN_NP, NCACN_IP_TCP, NCACN_IP_UDP, NCACN_VNS_IPC, 
	NCACN_VNS_SPP, NCACN_AT_DSP, NCADG_AT_DDP, NCALRPC, NCACN_UNIX_STREAM, 
	NCADG_UNIX_DGRAM, NCACN_HTTP, NCADG_IPX, NCACN_SPX, NCACN_INTERNAL };

/** this describes a binding to a particular transport/pipe */
struct dcerpc_binding {
	enum dcerpc_transport_t transport;
	struct ndr_syntax_id object;
	const char *host;
	const char *target_hostname;
	const char *endpoint;
	const char **options;
	const char *localaddress;
	uint32_t flags;
	uint32_t assoc_group_id;
};


/* dcerpc pipe flags */
#define DCERPC_DEBUG_PRINT_IN          (1<<0)
#define DCERPC_DEBUG_PRINT_OUT         (1<<1)
#define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)

#define DCERPC_DEBUG_VALIDATE_IN       (1<<2)
#define DCERPC_DEBUG_VALIDATE_OUT      (1<<3)
#define DCERPC_DEBUG_VALIDATE_BOTH (DCERPC_DEBUG_VALIDATE_IN | DCERPC_DEBUG_VALIDATE_OUT)

#define DCERPC_CONNECT                 (1<<4)
#define DCERPC_SIGN                    (1<<5)
#define DCERPC_SEAL                    (1<<6)

#define DCERPC_PUSH_BIGENDIAN          (1<<7)
#define DCERPC_PULL_BIGENDIAN          (1<<8)

#define DCERPC_SCHANNEL                (1<<9)

/* use a 128 bit session key */
#define DCERPC_SCHANNEL_128            (1<<12)

/* check incoming pad bytes */
#define DCERPC_DEBUG_PAD_CHECK         (1<<13)

/* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
#define DCERPC_NDR_REF_ALLOC           (1<<14)

#define DCERPC_AUTH_OPTIONS    (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL|DCERPC_AUTH_SPNEGO|DCERPC_AUTH_KRB5|DCERPC_AUTH_NTLM)

/* select spnego auth */
#define DCERPC_AUTH_SPNEGO             (1<<15)

/* select krb5 auth */
#define DCERPC_AUTH_KRB5               (1<<16)

#define DCERPC_SMB2                    (1<<17)

/* select NTLM auth */
#define DCERPC_AUTH_NTLM               (1<<18)

/* this triggers the DCERPC_PFC_FLAG_CONC_MPX flag in the bind request */
#define DCERPC_CONCURRENT_MULTIPLEX     (1<<19)

/* this triggers the DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN flag in the bind request */
#define DCERPC_HEADER_SIGNING          (1<<20)

/* use NDR64 transport */
#define DCERPC_NDR64                   (1<<21)

/* specify binding interface */
#define	DCERPC_LOCALADDRESS            (1<<22)

/* The following definitions come from librpc/rpc/binding.c  */

const char *epm_floor_string(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b);
_PUBLIC_ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding **b_out);
_PUBLIC_ NTSTATUS dcerpc_floor_get_lhs_data(const struct epm_floor *epm_floor,
					    struct ndr_syntax_id *syntax);
const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot);
_PUBLIC_ enum dcerpc_transport_t dcerpc_transport_by_tower(const struct epm_tower *tower);
_PUBLIC_ const char *derpc_transport_string_by_transport(enum dcerpc_transport_t t);
_PUBLIC_ NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx,
				   struct epm_tower *tower,
				   struct dcerpc_binding **b_out);
_PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx,
					     const struct dcerpc_binding *binding,
					     struct epm_tower *tower);

struct NL_AUTH_MESSAGE;

/* The following definitions come from librpc/rpc/dcerpc_helpers.c  */
NTSTATUS dcerpc_push_ncacn_packet(TALLOC_CTX *mem_ctx,
				  enum dcerpc_pkt_type ptype,
				  uint8_t pfc_flags,
				  uint16_t auth_length,
				  uint32_t call_id,
				  union dcerpc_payload *u,
				  DATA_BLOB *blob);
NTSTATUS dcerpc_pull_ncacn_packet(TALLOC_CTX *mem_ctx,
				  const DATA_BLOB *blob,
				  struct ncacn_packet *r,
				  bool bigendian);
NTSTATUS dcerpc_push_schannel_bind(TALLOC_CTX *mem_ctx,
				   struct NL_AUTH_MESSAGE *r,
				   DATA_BLOB *blob);
NTSTATUS dcerpc_push_dcerpc_auth(TALLOC_CTX *mem_ctx,
				 enum dcerpc_AuthType auth_type,
				 enum dcerpc_AuthLevel auth_level,
				 uint8_t auth_pad_length,
				 uint32_t auth_context_id,
				 const DATA_BLOB *credentials,
				 DATA_BLOB *blob);
NTSTATUS dcerpc_pull_dcerpc_auth(TALLOC_CTX *mem_ctx,
				 const DATA_BLOB *blob,
				 struct dcerpc_auth *r,
				 bool bigendian);
NTSTATUS dcerpc_guess_sizes(struct pipe_auth_data *auth,
			    size_t header_len, size_t data_left,
			    size_t max_xmit_frag, size_t pad_alignment,
			    size_t *data_to_send, size_t *frag_len,
			    size_t *auth_len, size_t *pad_len);
NTSTATUS dcerpc_add_auth_footer(struct pipe_auth_data *auth,
				size_t pad_len, DATA_BLOB *rpc_out);
NTSTATUS dcerpc_check_auth(struct pipe_auth_data *auth,
			   struct ncacn_packet *pkt,
			   DATA_BLOB *pkt_trailer,
			   size_t header_size,
			   DATA_BLOB *raw_pkt,
			   size_t *pad_len);

struct dcerpc_binding_handle;
struct GUID;
struct ndr_interface_table;
struct ndr_interface_call;
struct ndr_push;
struct ndr_pull;
struct tevent_context;
struct tstream_context;

/* from ../librpc/rpc/dcerpc_util.c */
void dcerpc_set_frag_length(DATA_BLOB *blob, uint16_t v);
uint16_t dcerpc_get_frag_length(const DATA_BLOB *blob);
void dcerpc_set_auth_length(DATA_BLOB *blob, uint16_t v);
struct tevent_req *dcerpc_read_ncacn_packet_send(TALLOC_CTX *mem_ctx,
						 struct tevent_context *ev,
						 struct tstream_context *stream);
NTSTATUS dcerpc_read_ncacn_packet_recv(struct tevent_req *req,
				       TALLOC_CTX *mem_ctx,
				       struct ncacn_packet **pkt,
				       DATA_BLOB *buffer);

/*
 * This is just a hack this should never be used in code,
 * but it's needed to build the compat stubs for now
 */
struct __do_not_use_dcerpc_pipe {
	struct dcerpc_binding_handle *binding_handle;
};
#define dcerpc_pipe __do_not_use_dcerpc_pipe


struct dcerpc_binding_handle_ops {
	const char *name;

	bool (*is_connected)(struct dcerpc_binding_handle *h);
	uint32_t (*set_timeout)(struct dcerpc_binding_handle *h,
				uint32_t timeout);

	struct tevent_req *(*raw_call_send)(TALLOC_CTX *mem_ctx,
					    struct tevent_context *ev,
					    struct dcerpc_binding_handle *h,
					    const struct GUID *object,
					    uint32_t opnum,
					    uint32_t in_flags,
					    const uint8_t *in_data,
					    size_t in_length);
	NTSTATUS (*raw_call_recv)(struct tevent_req *req,
				  TALLOC_CTX *mem_ctx,
				  uint8_t **out_data,
				  size_t *out_length,
				  uint32_t *out_flags);

	struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
					      struct tevent_context *ev,
					      struct dcerpc_binding_handle *h);
	NTSTATUS (*disconnect_recv)(struct tevent_req *req);

	/* TODO: remove the following functions */
	bool (*push_bigendian)(struct dcerpc_binding_handle *h);
	bool (*ref_alloc)(struct dcerpc_binding_handle *h);
	bool (*use_ndr64)(struct dcerpc_binding_handle *h);
	void (*do_ndr_print)(struct dcerpc_binding_handle *h,
			     int ndr_flags,
			     const void *struct_ptr,
			     const struct ndr_interface_call *call);
	void (*ndr_push_failed)(struct dcerpc_binding_handle *h,
				NTSTATUS error,
				const void *struct_ptr,
				const struct ndr_interface_call *call);
	void (*ndr_pull_failed)(struct dcerpc_binding_handle *h,
				NTSTATUS error,
				const DATA_BLOB *blob,
				const struct ndr_interface_call *call);
	NTSTATUS (*ndr_validate_in)(struct dcerpc_binding_handle *h,
				    TALLOC_CTX *mem_ctx,
				    const DATA_BLOB *blob,
				    const struct ndr_interface_call *call);
	NTSTATUS (*ndr_validate_out)(struct dcerpc_binding_handle *h,
				     struct ndr_pull *pull_in,
				     const void *struct_ptr,
				     const struct ndr_interface_call *call);
};

struct dcerpc_binding_handle *_dcerpc_binding_handle_create(TALLOC_CTX *mem_ctx,
					const struct dcerpc_binding_handle_ops *ops,
					const struct GUID *object,
					const struct ndr_interface_table *table,
					void *pstate,
					size_t psize,
					const char *type,
					const char *location);
#define dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
				state, type, location) \
	_dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
				state, sizeof(type), #type, location)

void *_dcerpc_binding_handle_data(struct dcerpc_binding_handle *h);
#define dcerpc_binding_handle_data(_h, _type) \
	talloc_get_type_abort(_dcerpc_binding_handle_data(_h), _type)

_DEPRECATED_ void dcerpc_binding_handle_set_ref_alloc(struct dcerpc_binding_handle *h,
						      bool ref_alloc);

_DEPRECATED_ void dcerpc_binding_handle_set_sync_ev(struct dcerpc_binding_handle *h,
						    struct tevent_context *ev);

bool dcerpc_binding_handle_is_connected(struct dcerpc_binding_handle *h);

uint32_t dcerpc_binding_handle_set_timeout(struct dcerpc_binding_handle *h,
					   uint32_t timeout);

struct tevent_req *dcerpc_binding_handle_raw_call_send(TALLOC_CTX *mem_ctx,
						struct tevent_context *ev,
						struct dcerpc_binding_handle *h,
						const struct GUID *object,
						uint32_t opnum,
						uint32_t in_flags,
						const uint8_t *in_data,
						size_t in_length);
NTSTATUS dcerpc_binding_handle_raw_call_recv(struct tevent_req *req,
					     TALLOC_CTX *mem_ctx,
					     uint8_t **out_data,
					     size_t *out_length,
					     uint32_t *out_flags);

struct tevent_req *dcerpc_binding_handle_disconnect_send(TALLOC_CTX *mem_ctx,
						struct tevent_context *ev,
						struct dcerpc_binding_handle *h);
NTSTATUS dcerpc_binding_handle_disconnect_recv(struct tevent_req *req);

struct tevent_req *dcerpc_binding_handle_call_send(TALLOC_CTX *mem_ctx,
					struct tevent_context *ev,
					struct dcerpc_binding_handle *h,
					const struct GUID *object,
					const struct ndr_interface_table *table,
					uint32_t opnum,
					TALLOC_CTX *r_mem,
					void *r_ptr);
NTSTATUS dcerpc_binding_handle_call_recv(struct tevent_req *req);
NTSTATUS dcerpc_binding_handle_call(struct dcerpc_binding_handle *h,
				    const struct GUID *object,
				    const struct ndr_interface_table *table,
				    uint32_t opnum,
				    TALLOC_CTX *r_mem,
				    void *r_ptr);

#endif /* __DCERPC_H__ */