2 Unix SMB/CIFS implementation.
4 server side dcerpc defines
6 Copyright (C) Andrew Tridgell 2003-2005
7 Copyright (C) Stefan (metze) Metzmacher 2004-2005
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 2 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, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef SAMBA_DCERPC_SERVER_H
25 #define SAMBA_DCERPC_SERVER_H
28 #include "librpc/gen_ndr/misc.h"
29 #include "librpc/rpc/dcerpc.h"
30 #include "librpc/ndr/libndr.h"
32 /* modules can use the following to determine if the interface has changed
33 * please increment the version number after each interface change
34 * with a comment and maybe update struct dcesrv_critical_sizes.
36 /* version 1 - initial version - metze */
37 #define DCERPC_MODULE_VERSION 1
39 struct dcesrv_connection;
40 struct dcesrv_call_state;
42 struct dcesrv_connection_context;
44 struct dcesrv_interface {
46 struct dcerpc_syntax_id syntax_id;
48 /* this function is called when the client binds to this interface */
49 NTSTATUS (*bind)(struct dcesrv_call_state *, const struct dcesrv_interface *);
51 /* this function is called when the client disconnects the endpoint */
52 void (*unbind)(struct dcesrv_connection_context *, const struct dcesrv_interface *);
54 /* the ndr_pull function for the chosen interface.
56 NTSTATUS (*ndr_pull)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_pull *, void **);
58 /* the dispatch function for the chosen interface.
60 NTSTATUS (*dispatch)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
62 /* the reply function for the chosen interface.
64 NTSTATUS (*reply)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
66 /* the ndr_push function for the chosen interface.
68 NTSTATUS (*ndr_push)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_push *, const void *);
70 /* for any private use by the interface code */
74 enum dcesrv_call_list {
76 DCESRV_LIST_CALL_LIST,
77 DCESRV_LIST_FRAGMENTED_CALL_LIST,
78 DCESRV_LIST_PENDING_CALL_LIST
81 /* the state of an ongoing dcerpc call */
82 struct dcesrv_call_state {
83 struct dcesrv_call_state *next, *prev;
84 struct dcesrv_connection *conn;
85 struct dcesrv_connection_context *context;
86 struct ncacn_packet pkt;
89 which list this request is in, if any
91 enum dcesrv_call_list list;
93 /* the backend can mark the call
94 * with DCESRV_CALL_STATE_FLAG_ASYNC
95 * that will cause the frontend to not touch r->out
98 * this is only allowed to the backend when DCESRV_CALL_STATE_FLAG_MAY_ASYNC
99 * is alerady set by the frontend
101 * the backend then needs to call dcesrv_reply() when it's
102 * ready to send the reply
104 #define DCESRV_CALL_STATE_FLAG_ASYNC (1<<0)
105 #define DCESRV_CALL_STATE_FLAG_MAY_ASYNC (1<<1)
106 uint32_t state_flags;
108 /* the time the request arrived in the server */
111 /* the backend can use this event context for async replies */
112 struct event_context *event_ctx;
114 /* the message_context that will be used for async replies */
115 struct messaging_context *msg_ctx;
117 /* this is the pointer to the allocated function struct */
121 * that's the ndr pull context used in dcesrv_request()
122 * needed by dcesrv_reply() to carry over information
123 * for full pointer support.
125 struct ndr_pull *ndr_pull;
129 struct data_blob_list_item *replies;
131 /* this is used by the boilerplate code to generate DCERPC faults */
135 #define DCESRV_HANDLE_ANY 255
137 /* a dcerpc handle in internal format */
138 struct dcesrv_handle {
139 struct dcesrv_handle *next, *prev;
140 struct dcesrv_connection_context *context;
141 struct policy_handle wire_handle;
145 /* hold the authentication state information */
147 struct dcerpc_auth *auth_info;
148 struct gensec_security *gensec_security;
149 struct auth_session_info *session_info;
150 NTSTATUS (*session_key)(struct dcesrv_connection *, DATA_BLOB *session_key);
153 struct dcesrv_connection_context {
154 struct dcesrv_connection_context *next, *prev;
157 /* the connection this is on */
158 struct dcesrv_connection *conn;
160 /* the ndr function table for the chosen interface */
161 const struct dcesrv_interface *iface;
163 /* private data for the interface implementation */
166 /* current rpc handles - this is really the wrong scope for
167 them, but it will do for now */
168 struct dcesrv_handle *handles;
172 /* the state associated with a dcerpc server connection */
173 struct dcesrv_connection {
174 /* the top level context for this server */
175 struct dcesrv_context *dce_ctx;
177 /* the endpoint that was opened */
178 const struct dcesrv_endpoint *endpoint;
180 /* a list of established context_ids */
181 struct dcesrv_connection_context *contexts;
183 /* the state of the current incoming call fragments */
184 struct dcesrv_call_state *incoming_fragmented_call_list;
186 /* the state of the async pending calls */
187 struct dcesrv_call_state *pending_call_list;
189 /* the state of the current outgoing calls */
190 struct dcesrv_call_state *call_list;
192 /* the maximum size the client wants to receive */
193 uint32_t cli_max_recv_frag;
195 DATA_BLOB partial_input;
197 /* the current authentication state */
198 struct dcesrv_auth auth_state;
200 /* the event_context that will be used for this connection */
201 struct event_context *event_ctx;
203 /* the message_context that will be used for this connection */
204 struct messaging_context *msg_ctx;
206 /* the server_id that will be used for this connection */
207 struct server_id server_id;
209 /* the transport level session key */
210 DATA_BLOB transport_session_key;
214 /* this is the default state_flags for dcesrv_call_state structs */
215 uint32_t state_flags;
219 void (*report_output_data)(struct dcesrv_connection *);
220 struct socket_address *(*get_my_addr)(struct dcesrv_connection *, TALLOC_CTX *mem_ctx);
221 struct socket_address *(*get_peer_addr)(struct dcesrv_connection *, TALLOC_CTX *mem_ctx);
226 struct dcesrv_endpoint_server {
227 /* this is the name of the endpoint server */
230 /* this function should register endpoints and some other setup stuff,
231 * it is called when the dcesrv_context gets initialized.
233 NTSTATUS (*init_server)(struct dcesrv_context *, const struct dcesrv_endpoint_server *);
235 /* this function can be used by other endpoint servers to
236 * ask for a dcesrv_interface implementation
237 * - iface must be reference to an already existing struct !
239 BOOL (*interface_by_uuid)(struct dcesrv_interface *iface, const struct GUID *, uint32_t);
241 /* this function can be used by other endpoint servers to
242 * ask for a dcesrv_interface implementation
243 * - iface must be reference to an already existeng struct !
245 BOOL (*interface_by_name)(struct dcesrv_interface *iface, const char *);
249 /* server-wide context information for the dcerpc server */
250 struct dcesrv_context {
251 /* the list of endpoints that have registered
252 * by the configured endpoint servers
254 struct dcesrv_endpoint {
255 struct dcesrv_endpoint *next, *prev;
256 /* the type and location of the endpoint */
257 struct dcerpc_binding *ep_description;
258 /* the security descriptor for smb named pipes */
259 struct security_descriptor *sd;
260 /* the list of interfaces available on this endpoint */
261 struct dcesrv_if_list {
262 struct dcesrv_if_list *next, *prev;
263 struct dcesrv_interface iface;
268 /* this structure is used by modules to determine the size of some critical types */
269 struct dcesrv_critical_sizes {
270 int interface_version;
271 int sizeof_dcesrv_context;
272 int sizeof_dcesrv_endpoint;
273 int sizeof_dcesrv_endpoint_server;
274 int sizeof_dcesrv_interface;
275 int sizeof_dcesrv_if_list;
276 int sizeof_dcesrv_connection;
277 int sizeof_dcesrv_call_state;
278 int sizeof_dcesrv_auth;
279 int sizeof_dcesrv_handle;
284 #include "rpc_server/dcerpc_server_proto.h"
286 #endif /* SAMBA_DCERPC_SERVER_H */