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 {
49 /* this function is called when the client binds to this interface */
50 NTSTATUS (*bind)(struct dcesrv_call_state *, const struct dcesrv_interface *);
52 /* this function is called when the client disconnects the endpoint */
53 void (*unbind)(struct dcesrv_connection_context *, const struct dcesrv_interface *);
55 /* the ndr_pull function for the chosen interface.
57 NTSTATUS (*ndr_pull)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_pull *, void **);
59 /* the dispatch function for the chosen interface.
61 NTSTATUS (*dispatch)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
63 /* the reply function for the chosen interface.
65 NTSTATUS (*reply)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
67 /* the ndr_push function for the chosen interface.
69 NTSTATUS (*ndr_push)(struct dcesrv_call_state *, TALLOC_CTX *, struct ndr_push *, const void *);
71 /* for any private use by the interface code */
75 /* the state of an ongoing dcerpc call */
76 struct dcesrv_call_state {
77 struct dcesrv_call_state *next, *prev;
78 struct dcesrv_connection *conn;
79 struct dcesrv_connection_context *context;
80 struct ncacn_packet pkt;
82 /* the backend can mark the call
83 * with DCESRV_CALL_STATE_FLAG_ASYNC
84 * that will cause the frontend to not touch r->out
87 * this is only allowed to the backend when DCESRV_CALL_STATE_FLAG_MAY_ASYNC
88 * is alerady set by the frontend
90 * the backend then needs to call dcesrv_reply() when it's
91 * ready to send the reply
93 #define DCESRV_CALL_STATE_FLAG_ASYNC (1<<0)
94 #define DCESRV_CALL_STATE_FLAG_MAY_ASYNC (1<<1)
97 /* the time the request arrived in the server */
100 /* the backend can use this event context for async replies */
101 struct event_context *event_ctx;
103 /* this is the pointer to the allocated function struct */
106 /* that's the ndr push context used in dcesrv_request */
107 struct ndr_pull *ndr_pull;
111 struct data_blob_list_item *replies;
113 /* this is used by the boilerplate code to generate DCERPC faults */
117 #define DCESRV_HANDLE_ANY 255
119 /* a dcerpc handle in internal format */
120 struct dcesrv_handle {
121 struct dcesrv_handle *next, *prev;
122 struct dcesrv_connection_context *context;
123 struct policy_handle wire_handle;
127 /* hold the authentication state information */
129 struct dcerpc_auth *auth_info;
130 struct gensec_security *gensec_security;
131 struct auth_session_info *session_info;
132 NTSTATUS (*session_key)(struct dcesrv_connection *, DATA_BLOB *session_key);
135 struct dcesrv_connection_context {
136 struct dcesrv_connection_context *next, *prev;
139 /* the connection this is on */
140 struct dcesrv_connection *conn;
142 /* the ndr function table for the chosen interface */
143 const struct dcesrv_interface *iface;
145 /* private data for the interface implementation */
148 /* current rpc handles - this is really the wrong scope for
149 them, but it will do for now */
150 struct dcesrv_handle *handles;
154 /* the state associated with a dcerpc server connection */
155 struct dcesrv_connection {
156 /* the top level context for this server */
157 struct dcesrv_context *dce_ctx;
159 /* the endpoint that was opened */
160 const struct dcesrv_endpoint *endpoint;
162 /* a list of established context_ids */
163 struct dcesrv_connection_context *contexts;
165 /* the state of the current calls */
166 struct dcesrv_call_state *call_list;
168 /* the state of the async pending calls */
169 struct dcesrv_call_state *pending_call_list;
171 /* the maximum size the client wants to receive */
172 uint32_t cli_max_recv_frag;
174 DATA_BLOB partial_input;
176 /* the current authentication state */
177 struct dcesrv_auth auth_state;
179 /* the event_context that will be used for this connection */
180 struct event_context *event_ctx;
182 /* the transport level session key */
183 DATA_BLOB transport_session_key;
187 /* this is the default state_flags for dcesrv_call_state structs */
188 uint32_t state_flags;
192 void (*report_output_data)(struct dcesrv_connection *);
193 struct socket_address *(*get_my_addr)(struct dcesrv_connection *, TALLOC_CTX *mem_ctx);
194 struct socket_address *(*get_peer_addr)(struct dcesrv_connection *, TALLOC_CTX *mem_ctx);
199 struct dcesrv_endpoint_server {
200 /* this is the name of the endpoint server */
203 /* this function should register endpoints and some other setup stuff,
204 * it is called when the dcesrv_context gets initialized.
206 NTSTATUS (*init_server)(struct dcesrv_context *, const struct dcesrv_endpoint_server *);
208 /* this function can be used by other endpoint servers to
209 * ask for a dcesrv_interface implementation
210 * - iface must be reference to an already existing struct !
212 BOOL (*interface_by_uuid)(struct dcesrv_interface *iface, const struct GUID *, uint32_t);
214 /* this function can be used by other endpoint servers to
215 * ask for a dcesrv_interface implementation
216 * - iface must be reference to an already existeng struct !
218 BOOL (*interface_by_name)(struct dcesrv_interface *iface, const char *);
222 /* server-wide context information for the dcerpc server */
223 struct dcesrv_context {
224 /* the list of endpoints that have registered
225 * by the configured endpoint servers
227 struct dcesrv_endpoint {
228 struct dcesrv_endpoint *next, *prev;
229 /* the type and location of the endpoint */
230 struct dcerpc_binding *ep_description;
231 /* the security descriptor for smb named pipes */
232 struct security_descriptor *sd;
233 /* the list of interfaces available on this endpoint */
234 struct dcesrv_if_list {
235 struct dcesrv_if_list *next, *prev;
236 struct dcesrv_interface iface;
241 /* this structure is used by modules to determine the size of some critical types */
242 struct dcesrv_critical_sizes {
243 int interface_version;
244 int sizeof_dcesrv_context;
245 int sizeof_dcesrv_endpoint;
246 int sizeof_dcesrv_endpoint_server;
247 int sizeof_dcesrv_interface;
248 int sizeof_dcesrv_if_list;
249 int sizeof_dcesrv_connection;
250 int sizeof_dcesrv_call_state;
251 int sizeof_dcesrv_auth;
252 int sizeof_dcesrv_handle;
257 #include "rpc_server/dcerpc_server_proto.h"
259 #endif /* SAMBA_DCERPC_SERVER_H */