summaryrefslogtreecommitdiff
path: root/source4/librpc/rpc/dcerpc.h
blob: 359efdabc0fb15a309075b7ddf388613ed382b6c (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
/* 
   Unix SMB/CIFS implementation.

   DCERPC client side interface structures

   Copyright (C) Tim Potter 2003
   Copyright (C) Andrew Tridgell 2003-2005
   
   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 __S4_DCERPC_H__
#define __S4_DCERPC_H__

#include "../lib/util/data_blob.h"
#include "librpc/gen_ndr/dcerpc.h"
#include "../librpc/ndr/libndr.h"
#include "../librpc/rpc/rpc_common.h"

struct tevent_context;
struct tevent_req;
struct dcerpc_binding_handle;
struct tstream_context;

/*
  this defines a generic security context for signed/sealed dcerpc pipes.
*/
struct dcecli_connection;
struct gensec_settings;
struct dcecli_security {
	struct dcerpc_auth *auth_info;
	struct gensec_security *generic_state;

	/* get the session key */
	NTSTATUS (*session_key)(struct dcecli_connection *, DATA_BLOB *);
};

/*
  this holds the information that is not specific to a particular rpc context_id
*/
struct rpc_request;
struct dcecli_connection {
	uint32_t call_id;
	uint32_t srv_max_xmit_frag;
	uint32_t srv_max_recv_frag;
	uint32_t flags;
	struct dcecli_security security_state;
	const char *binding_string;
	struct tevent_context *event_ctx;

	struct tevent_immediate *io_trigger;
	bool io_trigger_pending;

	/** Directory in which to save ndrdump-parseable files */
	const char *packet_log_dir;

	bool dead;
	bool free_skipped;

	struct dcerpc_transport {
		enum dcerpc_transport_t transport;
		void *private_data;

		NTSTATUS (*shutdown_pipe)(struct dcecli_connection *, NTSTATUS status);

		const char *(*peer_name)(struct dcecli_connection *);

		const char *(*target_hostname)(struct dcecli_connection *);

		/* send a request to the server */
		NTSTATUS (*send_request)(struct dcecli_connection *, DATA_BLOB *, bool trigger_read);

		/* send a read request to the server */
		NTSTATUS (*send_read)(struct dcecli_connection *);

		/* a callback to the dcerpc code when a full fragment
		   has been received */
		void (*recv_data)(struct dcecli_connection *, DATA_BLOB *, NTSTATUS status);
	} transport;

	/* Requests that have been sent, waiting for a reply */
	struct rpc_request *pending;

	/* Sync requests waiting to be shipped */
	struct rpc_request *request_queue;

	/* the next context_id to be assigned */
	uint32_t next_context_id;
};

/*
  this encapsulates a full dcerpc client side pipe 
*/
struct dcerpc_pipe {
	struct dcerpc_binding_handle *binding_handle;

	uint32_t context_id;

	uint32_t assoc_group_id;

	struct ndr_syntax_id syntax;
	struct ndr_syntax_id transfer_syntax;

	struct dcecli_connection *conn;
	struct dcerpc_binding *binding;

	/** the last fault code from a DCERPC fault */
	uint32_t last_fault_code;

	/** timeout for individual rpc requests, in seconds */
	uint32_t request_timeout;
};

/* default timeout for all rpc requests, in seconds */
#define DCERPC_REQUEST_TIMEOUT 60


struct dcerpc_pipe_connect {
	struct dcerpc_pipe *pipe;
	struct dcerpc_binding *binding;
	const char *pipe_name;
	const struct ndr_interface_table *interface;
	struct cli_credentials *creds;
	struct resolve_context *resolve_ctx;
};


struct epm_tower;
struct epm_floor;

struct smbcli_tree;
struct smb2_tree;
struct socket_address;

NTSTATUS dcerpc_pipe_connect(TALLOC_CTX *parent_ctx, 
			     struct dcerpc_pipe **pp, 
			     const char *binding,
			     const struct ndr_interface_table *table,
			     struct cli_credentials *credentials,
			     struct tevent_context *ev,
			     struct loadparm_context *lp_ctx);
const char *dcerpc_server_name(struct dcerpc_pipe *p);
struct dcerpc_pipe *dcerpc_pipe_init(TALLOC_CTX *mem_ctx, struct tevent_context *ev);
NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_pipe *p,
			      struct smbcli_tree *tree,
			      const char *pipe_name);
NTSTATUS dcerpc_bind_auth_none(struct dcerpc_pipe *p,
			       const struct ndr_interface_table *table);
NTSTATUS dcerpc_fetch_session_key(struct dcerpc_pipe *p,
				  DATA_BLOB *session_key);
struct composite_context;
NTSTATUS dcerpc_secondary_connection_recv(struct composite_context *c,
					  struct dcerpc_pipe **p2);

struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent_ctx,
						     struct dcerpc_binding *binding,
						     const struct ndr_interface_table *table,
						     struct cli_credentials *credentials,
						     struct tevent_context *ev,
						     struct loadparm_context *lp_ctx);

NTSTATUS dcerpc_pipe_connect_b_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
				    struct dcerpc_pipe **p);

NTSTATUS dcerpc_pipe_connect_b(TALLOC_CTX *parent_ctx,
			       struct dcerpc_pipe **pp,
			       struct dcerpc_binding *binding,
			       const struct ndr_interface_table *table,
			       struct cli_credentials *credentials,
			       struct tevent_context *ev,
			       struct loadparm_context *lp_ctx);

NTSTATUS dcerpc_pipe_auth(TALLOC_CTX *mem_ctx,
			  struct dcerpc_pipe **p, 
			  struct dcerpc_binding *binding,
			  const struct ndr_interface_table *table,
			  struct cli_credentials *credentials,
			  struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_secondary_connection(struct dcerpc_pipe *p,
				     struct dcerpc_pipe **p2,
				     struct dcerpc_binding *b);
NTSTATUS dcerpc_bind_auth_schannel(TALLOC_CTX *tmp_ctx, 
				   struct dcerpc_pipe *p,
				   const struct ndr_interface_table *table,
				   struct cli_credentials *credentials,
				   struct loadparm_context *lp_ctx,
				   uint8_t auth_level);
struct tevent_context *dcerpc_event_context(struct dcerpc_pipe *p);
NTSTATUS dcerpc_init(void);
struct smbcli_tree *dcerpc_smb_tree(struct dcecli_connection *c);
uint16_t dcerpc_smb_fnum(struct dcecli_connection *c);
NTSTATUS dcerpc_secondary_context(struct dcerpc_pipe *p, 
				  struct dcerpc_pipe **pp2,
				  const struct ndr_interface_table *table);
NTSTATUS dcerpc_alter_context(struct dcerpc_pipe *p, 
			      TALLOC_CTX *mem_ctx,
			      const struct ndr_syntax_id *syntax,
			      const struct ndr_syntax_id *transfer_syntax);

NTSTATUS dcerpc_bind_auth(struct dcerpc_pipe *p,
			  const struct ndr_interface_table *table,
			  struct cli_credentials *credentials,
			  struct gensec_settings *gensec_settings,
			  uint8_t auth_type, uint8_t auth_level,
			  const char *service);
struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx,
						   const char *binding,
						   const struct ndr_interface_table *table,
						   struct cli_credentials *credentials,
						   struct tevent_context *ev, struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_pipe_connect_recv(struct composite_context *c,
				  TALLOC_CTX *mem_ctx,
				  struct dcerpc_pipe **pp);

NTSTATUS dcerpc_epm_map_binding(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding,
				const struct ndr_interface_table *table, struct tevent_context *ev,
				struct loadparm_context *lp_ctx);
struct composite_context* dcerpc_secondary_auth_connection_send(struct dcerpc_pipe *p,
								struct dcerpc_binding *binding,
								const struct ndr_interface_table *table,
								struct cli_credentials *credentials,
								struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_secondary_auth_connection_recv(struct composite_context *c, 
					       TALLOC_CTX *mem_ctx,
					       struct dcerpc_pipe **p);

struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p,
							   struct dcerpc_binding *b);
void dcerpc_log_packet(const char *lockdir, 
		       const struct ndr_interface_table *ndr,
		       uint32_t opnum, uint32_t flags,
		       const DATA_BLOB *pkt);


enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot);

const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);

#endif /* __S4_DCERPC_H__ */