2 Unix SMB/CIFS implementation.
4 a raw async NBT library
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "librpc/gen_ndr/nbt.h"
26 #include "librpc/ndr/libndr.h"
28 possible states for pending requests
30 enum nbt_request_state {NBT_REQUEST_SEND,
39 struct nbt_name_request {
40 struct nbt_name_request *next, *prev;
42 enum nbt_request_state state;
46 /* the socket this was on */
47 struct nbt_name_socket *nbtsock;
49 /* where to send the request */
50 struct socket_address *dest;
52 /* timeout between retries */
55 /* how many retries to send on timeout */
58 /* whether we have received a WACK */
61 /* the timeout event */
62 struct tevent_timer *te;
64 /* the name transaction id */
70 /* the encoded request */
73 /* shall we allow multiple replies? */
74 bool allow_multiple_replies;
76 unsigned int num_replies;
77 struct nbt_name_reply {
78 struct nbt_name_packet *packet;
79 struct socket_address *dest;
82 /* information on what to do on completion */
84 void (*fn)(struct nbt_name_request *);
92 context structure for operations on name queries
94 struct nbt_name_socket {
95 struct socket_context *sock;
96 struct tevent_context *event_ctx;
98 /* a queue of requests pending to be sent */
99 struct nbt_name_request *send_queue;
102 struct tevent_fd *fde;
104 /* mapping from name_trn_id to pending event */
105 struct idr_context *idr;
107 /* how many requests are waiting for a reply */
108 uint16_t num_pending;
110 /* what to do with incoming request packets */
112 void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
113 struct socket_address *);
117 /* what to do with unexpected replies */
119 void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
120 struct socket_address *);
126 /* a simple name query */
127 struct nbt_name_query {
129 struct nbt_name name;
130 const char *dest_addr;
134 int timeout; /* in seconds */
138 const char *reply_from;
139 struct nbt_name name;
141 const char **reply_addrs;
145 /* a simple name status query */
146 struct nbt_name_status {
148 struct nbt_name name;
149 const char *dest_addr;
151 int timeout; /* in seconds */
155 const char *reply_from;
156 struct nbt_name name;
157 struct nbt_rdata_status status;
161 /* a name registration request */
162 struct nbt_name_register {
164 struct nbt_name name;
165 const char *dest_addr;
169 bool register_demand;
173 int timeout; /* in seconds */
177 const char *reply_from;
178 struct nbt_name name;
179 const char *reply_addr;
184 /* a send 3 times then demand name broadcast name registration */
185 struct nbt_name_register_bcast {
187 struct nbt_name name;
188 const char *dest_addr;
197 /* wins name register with multiple wins servers to try and multiple
198 addresses to register */
199 struct nbt_name_register_wins {
201 struct nbt_name name;
202 const char **wins_servers;
204 const char **addresses;
209 const char *wins_server;
216 /* a name refresh request */
217 struct nbt_name_refresh {
219 struct nbt_name name;
220 const char *dest_addr;
226 int timeout; /* in seconds */
230 const char *reply_from;
231 struct nbt_name name;
232 const char *reply_addr;
237 /* wins name refresh with multiple wins servers to try and multiple
238 addresses to register */
239 struct nbt_name_refresh_wins {
241 struct nbt_name name;
242 const char **wins_servers;
244 const char **addresses;
249 const char *wins_server;
255 /* a name release request */
256 struct nbt_name_release {
258 struct nbt_name name;
259 const char *dest_addr;
264 int timeout; /* in seconds */
268 const char *reply_from;
269 struct nbt_name name;
270 const char *reply_addr;
275 struct nbt_name_socket *nbt_name_socket_init(TALLOC_CTX *mem_ctx,
276 struct tevent_context *event_ctx);
277 void nbt_name_socket_handle_response_packet(struct nbt_name_request *req,
278 struct nbt_name_packet *packet,
279 struct socket_address *src);
280 struct nbt_name_request *nbt_name_query_send(struct nbt_name_socket *nbtsock,
281 struct nbt_name_query *io);
282 NTSTATUS nbt_name_query_recv(struct nbt_name_request *req,
283 TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
284 NTSTATUS nbt_name_query(struct nbt_name_socket *nbtsock,
285 TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
286 struct nbt_name_request *nbt_name_status_send(struct nbt_name_socket *nbtsock,
287 struct nbt_name_status *io);
288 NTSTATUS nbt_name_status_recv(struct nbt_name_request *req,
289 TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
290 NTSTATUS nbt_name_status(struct nbt_name_socket *nbtsock,
291 TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
293 NTSTATUS nbt_name_dup(TALLOC_CTX *mem_ctx, struct nbt_name *name, struct nbt_name *newname);
294 NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, struct nbt_name *name);
295 NTSTATUS nbt_name_from_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, struct nbt_name *name);
296 void nbt_choose_called_name(TALLOC_CTX *mem_ctx, struct nbt_name *n, const char *name, int type);
297 char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name);
298 NTSTATUS nbt_name_register(struct nbt_name_socket *nbtsock,
299 TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
300 NTSTATUS nbt_name_refresh(struct nbt_name_socket *nbtsock,
301 TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
302 NTSTATUS nbt_name_release(struct nbt_name_socket *nbtsock,
303 TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
304 NTSTATUS nbt_name_register_wins(struct nbt_name_socket *nbtsock,
306 struct nbt_name_register_wins *io);
307 NTSTATUS nbt_name_refresh_wins(struct nbt_name_socket *nbtsock,
309 struct nbt_name_refresh_wins *io);
310 NTSTATUS nbt_name_register_recv(struct nbt_name_request *req,
311 TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
312 struct nbt_name_request *nbt_name_register_send(struct nbt_name_socket *nbtsock,
313 struct nbt_name_register *io);
314 NTSTATUS nbt_name_release_recv(struct nbt_name_request *req,
315 TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
317 struct nbt_name_request *nbt_name_release_send(struct nbt_name_socket *nbtsock,
318 struct nbt_name_release *io);
320 NTSTATUS nbt_name_refresh_recv(struct nbt_name_request *req,
321 TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
323 NTSTATUS nbt_set_incoming_handler(struct nbt_name_socket *nbtsock,
324 void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
325 struct socket_address *),
327 NTSTATUS nbt_set_unexpected_handler(struct nbt_name_socket *nbtsock,
328 void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
329 struct socket_address *),
331 NTSTATUS nbt_name_reply_send(struct nbt_name_socket *nbtsock,
332 struct socket_address *dest,
333 struct nbt_name_packet *request);
336 NDR_SCALAR_PTR_PROTO(wrepl_nbt_name, struct nbt_name)
337 NDR_BUFFER_PROTO(nbt_name, struct nbt_name)
338 NTSTATUS nbt_rcode_to_ntstatus(uint8_t rcode);
340 struct tevent_context;
342 struct tevent_req *nbt_name_register_bcast_send(TALLOC_CTX *mem_ctx,
343 struct tevent_context *ev,
344 struct nbt_name_socket *nbtsock,
345 struct nbt_name_register_bcast *io);
346 NTSTATUS nbt_name_register_bcast_recv(struct tevent_req *req);
347 struct tevent_req *nbt_name_register_wins_send(TALLOC_CTX *mem_ctx,
348 struct tevent_context *ev,
349 struct nbt_name_socket *nbtsock,
350 struct nbt_name_register_wins *io);
351 NTSTATUS nbt_name_register_wins_recv(struct tevent_req *req,
353 struct nbt_name_register_wins *io);
354 struct tevent_req *nbt_name_refresh_wins_send(TALLOC_CTX *mem_ctx,
355 struct tevent_context *ev,
356 struct nbt_name_socket *nbtsock,
357 struct nbt_name_refresh_wins *io);
358 NTSTATUS nbt_name_refresh_wins_recv(struct tevent_req *req,
360 struct nbt_name_refresh_wins *io);
362 XFILE *startlmhosts(const char *fname);
363 bool getlmhostsent(TALLOC_CTX *ctx, XFILE *fp, char **pp_name, int *name_type,
364 struct sockaddr_storage *pss);
365 void endlmhosts(XFILE *fp);
367 NTSTATUS resolve_lmhosts_file_as_sockaddr(const char *lmhosts_file,
368 const char *name, int name_type,
370 struct sockaddr_storage **return_iplist,
373 #endif /* __LIBNBT_H__ */