2
Unix SMB/CIFS implementation.
3
SMB parameters and setup
5
Copyright (C) Andrew Tridgell 2002-2004
6
Copyright (C) James Myers 2003 <myersjj@samba.org>
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/>.
22
#ifndef __LIBCLI_RAW_H__
23
#define __LIBCLI_RAW_H__
25
#include "libcli/raw/request.h"
26
#include "librpc/gen_ndr/nbt.h"
28
struct smbcli_tree; /* forward declare */
29
struct smbcli_request; /* forward declare */
30
struct smbcli_session; /* forward declare */
31
struct smbcli_transport; /* forward declare */
33
struct resolve_context;
34
struct cli_credentials;
35
struct gensec_settings;
37
/* default timeout for all smb requests */
38
#define SMB_REQUEST_TIMEOUT 60
40
/* context that will be and has been negotiated between the client and server */
41
struct smbcli_negotiate {
43
* negotiated maximum transmit size - this is given to us by the server
47
/* maximum number of requests that can be multiplexed */
50
/* the negotiatiated protocol */
51
enum protocol_types protocol;
53
uint8_t sec_mode; /* security mode returned by negprot */
55
DATA_BLOB server_guid; /* server_guid */
56
DATA_BLOB secblob; /* cryptkey or negTokenInit blob */
59
struct smb_signing_context sign_info;
61
/* capabilities that the server reported */
62
uint32_t capabilities;
66
uint_t readbraw_supported:1;
67
uint_t writebraw_supported:1;
72
/* this is the context for a SMB socket associated with the socket itself */
73
struct smbcli_socket {
74
struct socket_context *sock;
76
/* what port we ended up connected to */
79
/* the hostname we connected to */
82
/* the event handle for waiting for socket IO */
84
struct tevent_context *ctx;
85
struct tevent_fd *fde;
86
struct tevent_timer *te;
91
this structure allows applications to control the behaviour of the
94
struct smbcli_options {
96
uint_t use_level2_oplocks:1;
99
uint_t ntstatus_support:1;
104
enum smb_signing_state signing;
107
/* this is the context for the client transport layer */
108
struct smbcli_transport {
109
/* socket level info */
110
struct smbcli_socket *socket;
112
/* the next mid to be allocated - needed for signing and
116
/* negotiated protocol information */
117
struct smbcli_negotiate negotiate;
119
/* options to control the behaviour of the client code */
120
struct smbcli_options options;
122
/* is a readbraw pending? we need to handle that case
123
specially on receiving packets */
124
uint_t readbraw_pending:1;
126
/* an idle function - if this is defined then it will be
127
called once every period microseconds while we are waiting
130
void (*func)(struct smbcli_transport *, void *);
135
/* the error fields from the last message */
137
enum {ETYPE_NONE, ETYPE_SMB, ETYPE_SOCKET, ETYPE_NBT} etype;
140
enum {SOCKET_READ_TIMEOUT,
144
SOCKET_READ_BAD_SIG} socket_error;
150
/* a oplock break request handler */
151
bool (*handler)(struct smbcli_transport *transport,
152
uint16_t tid, uint16_t fnum, uint8_t level, void *private_data);
153
/* private data passed to the oplock handler */
157
/* a list of async requests that are pending for receive on this connection */
158
struct smbcli_request *pending_recv;
160
/* remember the called name - some sub-protocols require us to
161
know the server name */
162
struct nbt_name called;
164
/* context of the stream -> packet parser */
165
struct packet_context *packet;
167
/* iconv convenience */
168
struct smb_iconv_convenience *iconv_convenience;
171
/* this is the context for the user */
173
/* this is the context for the session layer */
174
struct smbcli_session {
175
/* transport layer info */
176
struct smbcli_transport *transport;
178
/* after a session setup the server provides us with
179
a vuid identifying the security context */
182
/* default pid for this session */
185
/* the flags2 for each packet - this allows
186
the user to control these for torture testing */
189
DATA_BLOB user_session_key;
191
/* the spnego context if we use extented security */
192
struct gensec_security *gensec;
194
struct smbcli_session_options {
195
uint_t lanman_auth:1;
196
uint_t ntlmv2_auth:1;
197
uint_t plaintext_auth:1;
202
smbcli_tree context: internal state for a tree connection.
205
/* session layer info */
206
struct smbcli_session *session;
208
uint16_t tid; /* tree id, aka cnum */
215
a client request moves between the following 4 states.
217
enum smbcli_request_state {SMBCLI_REQUEST_INIT, /* we are creating the request */
218
SMBCLI_REQUEST_RECV, /* we are waiting for a matching reply */
219
SMBCLI_REQUEST_DONE, /* the request is finished */
220
SMBCLI_REQUEST_ERROR}; /* a packet or transport level error has occurred */
222
/* the context for a single SMB request. This is passed to any request-context
223
* functions (similar to context.h, the server version).
224
* This will allow requests to be multi-threaded. */
225
struct smbcli_request {
226
/* allow a request to be part of a list of requests */
227
struct smbcli_request *next, *prev;
229
/* each request is in one of 4 possible states */
230
enum smbcli_request_state state;
232
/* a request always has a transport context, nearly always has
233
a session context and usually has a tree context */
234
struct smbcli_transport *transport;
235
struct smbcli_session *session;
236
struct smbcli_tree *tree;
238
/* a receive helper, smbcli_transport_finish_recv will not call
239
req->async.fn callback handler unless the recv_helper returns
240
a value > SMBCLI_REQUEST_RECV. */
242
enum smbcli_request_state (*fn)(struct smbcli_request *);
246
/* the flags2 from the SMB request, in raw form (host byte
247
order). Used to parse strings */
250
/* the NT status for this request. Set by packet receive code
251
or code detecting error. */
254
/* the sequence number of this packet - used for signing */
257
/* list of ntcancel request for this requests */
258
struct smbcli_request *ntcancel;
260
/* set if this is a one-way request, meaning we are not
261
expecting a reply from the server. */
262
uint_t one_way_request:1;
264
/* set this when the request should only increment the signing
266
uint_t sign_single_increment:1;
268
/* the caller wants to do the signing check */
269
bool sign_caller_checks;
271
/* give the caller a chance to prevent the talloc_free() in the _recv() function */
274
/* the mid of this packet - used to match replies */
277
struct smb_request_buffer in;
278
struct smb_request_buffer out;
280
/* information on what to do with a reply when it is received
281
asyncronously. If this is not setup when a reply is received then
282
the reply is discarded
284
The private pointer is private to the caller of the client
285
library (the application), not private to the library
288
void (*fn)(struct smbcli_request *);
293
/* useful way of catching wct errors with file and line number */
294
#define SMBCLI_CHECK_MIN_WCT(req, wcount) if ((req)->in.wct < (wcount)) { \
295
DEBUG(1,("Unexpected WCT %d at %s(%d) - expected min %d\n", (req)->in.wct, __FILE__, __LINE__, wcount)); \
296
req->status = NT_STATUS_INVALID_PARAMETER; \
300
#define SMBCLI_CHECK_WCT(req, wcount) if ((req)->in.wct != (wcount)) { \
301
DEBUG(1,("Unexpected WCT %d at %s(%d) - expected %d\n", (req)->in.wct, __FILE__, __LINE__, wcount)); \
302
req->status = NT_STATUS_INVALID_PARAMETER; \
306
#include "libcli/raw/interfaces.h"
308
NTSTATUS smb_raw_read_recv(struct smbcli_request *req, union smb_read *parms);
309
struct smbcli_request *smb_raw_read_send(struct smbcli_tree *tree, union smb_read *parms);
310
NTSTATUS smb_raw_trans_recv(struct smbcli_request *req,
312
struct smb_trans2 *parms);
313
size_t smb_raw_max_trans_data(struct smbcli_tree *tree, size_t param_size);
314
struct smbcli_request *smb_raw_trans_send(struct smbcli_tree *tree, struct smb_trans2 *parms);
315
NTSTATUS smbcli_request_destroy(struct smbcli_request *req);
316
struct smbcli_request *smb_raw_write_send(struct smbcli_tree *tree, union smb_write *parms);
317
struct smbcli_request *smb_raw_close_send(struct smbcli_tree *tree, union smb_close *parms);
318
NTSTATUS smb_raw_open_recv(struct smbcli_request *req, TALLOC_CTX *mem_ctx, union smb_open *parms);
319
struct smbcli_request *smb_raw_open_send(struct smbcli_tree *tree, union smb_open *parms);
321
bool smbcli_transport_process(struct smbcli_transport *transport);
322
const char *smbcli_errstr(struct smbcli_tree *tree);
323
NTSTATUS smb_raw_fsinfo(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, union smb_fsinfo *fsinfo);
324
NTSTATUS smb_raw_pathinfo(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, union smb_fileinfo *parms);
325
NTSTATUS smb_raw_shadow_data(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, struct smb_shadow_copy *info);
326
NTSTATUS smb_raw_fileinfo(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, union smb_fileinfo *parms);
327
struct smbcli_tree *smbcli_tree_init(struct smbcli_session *session, TALLOC_CTX *parent_ctx, bool primary);
328
NTSTATUS smb_raw_tcon(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, union smb_tcon *parms);
329
void smbcli_oplock_handler(struct smbcli_transport *transport,
330
bool (*handler)(struct smbcli_transport *, uint16_t, uint16_t, uint8_t, void *),
332
void smbcli_transport_idle_handler(struct smbcli_transport *transport,
333
void (*idle_func)(struct smbcli_transport *, void *),
336
NTSTATUS smbcli_request_simple_recv(struct smbcli_request *req);
337
bool smbcli_oplock_ack(struct smbcli_tree *tree, uint16_t fnum, uint16_t ack_level);
338
NTSTATUS smb_raw_open(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, union smb_open *parms);
339
NTSTATUS smb_raw_close(struct smbcli_tree *tree, union smb_close *parms);
340
NTSTATUS smb_raw_unlink(struct smbcli_tree *tree, union smb_unlink *parms);
341
NTSTATUS smb_raw_chkpath(struct smbcli_tree *tree, union smb_chkpath *parms);
342
NTSTATUS smb_raw_mkdir(struct smbcli_tree *tree, union smb_mkdir *parms);
343
NTSTATUS smb_raw_rmdir(struct smbcli_tree *tree, struct smb_rmdir *parms);
344
NTSTATUS smb_raw_rename(struct smbcli_tree *tree, union smb_rename *parms);
345
NTSTATUS smb_raw_seek(struct smbcli_tree *tree, union smb_seek *parms);
346
NTSTATUS smb_raw_read(struct smbcli_tree *tree, union smb_read *parms);
347
NTSTATUS smb_raw_write(struct smbcli_tree *tree, union smb_write *parms);
348
NTSTATUS smb_raw_lock(struct smbcli_tree *tree, union smb_lock *parms);
349
NTSTATUS smb_raw_setpathinfo(struct smbcli_tree *tree, union smb_setfileinfo *parms);
350
NTSTATUS smb_raw_setfileinfo(struct smbcli_tree *tree, union smb_setfileinfo *parms);
352
struct smbcli_request *smb_raw_changenotify_send(struct smbcli_tree *tree, union smb_notify *parms);
353
NTSTATUS smb_raw_changenotify_recv(struct smbcli_request *req, TALLOC_CTX *mem_ctx, union smb_notify *parms);
355
NTSTATUS smb_tree_disconnect(struct smbcli_tree *tree);
356
NTSTATUS smbcli_nt_error(struct smbcli_tree *tree);
357
NTSTATUS smb_raw_exit(struct smbcli_session *session);
358
NTSTATUS smb_raw_pathinfo_recv(struct smbcli_request *req,
360
union smb_fileinfo *parms);
361
struct smbcli_request *smb_raw_pathinfo_send(struct smbcli_tree *tree,
362
union smb_fileinfo *parms);
363
struct smbcli_request *smb_raw_setpathinfo_send(struct smbcli_tree *tree,
364
union smb_setfileinfo *parms);
365
struct smbcli_request *smb_raw_echo_send(struct smbcli_transport *transport,
367
NTSTATUS smb_raw_search_first(struct smbcli_tree *tree,
369
union smb_search_first *io, void *private_data,
370
smbcli_search_callback callback);
371
NTSTATUS smb_raw_flush(struct smbcli_tree *tree, union smb_flush *parms);
373
NTSTATUS smb_raw_trans(struct smbcli_tree *tree,
375
struct smb_trans2 *parms);
377
struct smbcli_socket *smbcli_sock_connect_byname(const char *host, const char **ports,
379
struct resolve_context *resolve_ctx,
380
struct tevent_context *event_ctx,
381
const char *socket_options);
382
void smbcli_sock_dead(struct smbcli_socket *sock);
384
#endif /* __LIBCLI_RAW__H__ */