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
27 /* modules can use the following to determine if the interface has changed
28 * please increment the version number after each interface change
29 * with a comment and maybe update struct dcesrv_critical_sizes.
31 /* version 1 - initial version - metze */
32 #define DCERPC_MODULE_VERSION 1
34 struct dcesrv_connection;
35 struct dcesrv_call_state;
38 struct dcesrv_interface {
43 /* this function is called when the client binds to this interface */
44 NTSTATUS (*bind)(struct dcesrv_call_state *, const struct dcesrv_interface *);
46 /* this function is called when the client disconnects the endpoint */
47 void (*unbind)(struct dcesrv_connection_context *, const struct dcesrv_interface *);
49 /* the ndr_pull function for the chosen interface.
51 NTSTATUS (*ndr_pull)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_pull *, void **);
53 /* the dispatch function for the chosen interface.
55 NTSTATUS (*dispatch)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
57 /* the reply function for the chosen interface.
59 NTSTATUS (*reply)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
61 /* the ndr_push function for the chosen interface.
63 NTSTATUS (*ndr_push)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_push *, const void *);
65 /* for any private use by the interface code */
69 /* the state of an ongoing dcerpc call */
70 struct dcesrv_call_state {
71 struct dcesrv_call_state *next, *prev;
72 struct dcesrv_connection *conn;
73 struct dcesrv_connection_context *context;
74 struct ncacn_packet pkt;
76 /* the backend can mark the call
77 * with DCESRV_CALL_STATE_FLAG_ASYNC
78 * that will cause the frontend to not touch r->out
81 * this is only allowed to the backend when DCESRV_CALL_STATE_FLAG_MAY_ASYNC
82 * is alerady set by the frontend
84 * the backend then needs to call dcesrv_reply() when it's
85 * ready to send the reply
87 #define DCESRV_CALL_STATE_FLAG_ASYNC (1<<0)
88 #define DCESRV_CALL_STATE_FLAG_MAY_ASYNC (1<<1)
91 /* the time the request arrived in the server */
94 /* the backend can use this event context for async replies */
95 struct event_context *event_ctx;
97 /* this is the pointer to the allocated function struct */
100 /* that's the ndr push context used in dcesrv_request */
101 struct ndr_pull *ndr_pull;
105 struct data_blob_list_item *replies;
107 /* this is used by the boilerplate code to generate DCERPC faults */
111 #define DCESRV_HANDLE_ANY 255
113 /* a dcerpc handle in internal format */
114 struct dcesrv_handle {
115 struct dcesrv_handle *next, *prev;
116 struct dcesrv_connection_context *context;
117 struct policy_handle wire_handle;
121 /* hold the authentication state information */
123 struct dcerpc_auth *auth_info;
124 struct gensec_security *gensec_security;
125 struct auth_session_info *session_info;
126 NTSTATUS (*session_key)(struct dcesrv_connection *, DATA_BLOB *session_key);
129 struct dcesrv_connection_context {
130 struct dcesrv_connection_context *next, *prev;
133 /* the connection this is on */
134 struct dcesrv_connection *conn;
136 /* the ndr function table for the chosen interface */
137 const struct dcesrv_interface *iface;
139 /* private data for the interface implementation */
142 /* current rpc handles - this is really the wrong scope for
143 them, but it will do for now */
144 struct dcesrv_handle *handles;
148 /* the state associated with a dcerpc server connection */
149 struct dcesrv_connection {
150 /* the top level context for this server */
151 struct dcesrv_context *dce_ctx;
153 /* the endpoint that was opened */
154 const struct dcesrv_endpoint *endpoint;
156 /* a list of established context_ids */
157 struct dcesrv_connection_context *contexts;
159 /* the state of the current calls */
160 struct dcesrv_call_state *call_list;
162 /* the state of the async pending calls */
163 struct dcesrv_call_state *pending_call_list;
165 /* the maximum size the client wants to receive */
166 uint32_t cli_max_recv_frag;
168 DATA_BLOB partial_input;
170 /* the current authentication state */
171 struct dcesrv_auth auth_state;
173 struct stream_connection *srv_conn;
175 /* the transport level session key */
176 DATA_BLOB transport_session_key;
182 struct dcesrv_endpoint_server {
183 /* this is the name of the endpoint server */
186 /* this function should register endpoints and some other setup stuff,
187 * it is called when the dcesrv_context gets initialized.
189 NTSTATUS (*init_server)(struct dcesrv_context *, const struct dcesrv_endpoint_server *);
191 /* this function can be used by other endpoint servers to
192 * ask for a dcesrv_interface implementation
193 * - iface must be reference to an already existing struct !
195 BOOL (*interface_by_uuid)(struct dcesrv_interface *iface, const struct GUID *, uint32_t);
197 /* this function can be used by other endpoint servers to
198 * ask for a dcesrv_interface implementation
199 * - iface must be reference to an already existeng struct !
201 BOOL (*interface_by_name)(struct dcesrv_interface *iface, const char *);
205 /* server-wide context information for the dcerpc server */
206 struct dcesrv_context {
207 /* the list of endpoints that have registered
208 * by the configured endpoint servers
210 struct dcesrv_endpoint {
211 struct dcesrv_endpoint *next, *prev;
212 /* the type and location of the endpoint */
213 struct dcerpc_binding *ep_description;
214 /* the security descriptor for smb named pipes */
215 struct security_descriptor *sd;
216 /* the list of interfaces available on this endpoint */
217 struct dcesrv_if_list {
218 struct dcesrv_if_list *next, *prev;
219 struct dcesrv_interface iface;
223 /* this is the default state_flags for dcesrv_call_state structs */
224 uint32_t state_flags;
227 /* this structure is used by modules to determine the size of some critical types */
228 struct dcesrv_critical_sizes {
229 int interface_version;
230 int sizeof_dcesrv_context;
231 int sizeof_dcesrv_endpoint;
232 int sizeof_dcesrv_endpoint_server;
233 int sizeof_dcesrv_interface;
234 int sizeof_dcesrv_if_list;
235 int sizeof_dcesrv_connection;
236 int sizeof_dcesrv_call_state;
237 int sizeof_dcesrv_auth;
238 int sizeof_dcesrv_handle;
241 #endif /* SAMBA_DCERPC_SERVER_H */