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DEFINITIONS
This source file includes following definitions.
- oplock_handler
- smb2_get_roothandle
- cvfs_connect
- cvfs_disconnect
- async_info_destructor
- async_simple_smb2
- async_simple_composite
- cvfs_unlink
- cvfs_ioctl
- cvfs_chkpath
- cvfs_qpathinfo
- cvfs_qfileinfo
- cvfs_setpathinfo
- cvfs_open
- cvfs_mkdir
- cvfs_rmdir
- cvfs_rename
- cvfs_copy
- cvfs_read
- cvfs_write
- cvfs_seek
- cvfs_flush
- cvfs_close
- cvfs_exit
- cvfs_logoff
- cvfs_async_setup
- cvfs_cancel
- cvfs_lock
- cvfs_setfileinfo
- async_fsinfo
- cvfs_fsinfo
- cvfs_lpq
- cvfs_search_first
- cvfs_search_next
- cvfs_search_close
- cvfs_trans
- cvfs_notify
- ntvfs_smb2_init
1 /*
2 Unix SMB/CIFS implementation.
3
4 CIFS-to-SMB2 NTVFS filesystem backend
5
6 Copyright (C) Andrew Tridgell 2008
7
8 largely based on vfs_cifs.c which was
9 Copyright (C) Andrew Tridgell 2003
10 Copyright (C) James J Myers 2003 <myersjj@samba.org>
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 */
25 /*
26 this implements a CIFS->CIFS NTVFS filesystem backend.
27
28 */
29
30 #include "includes.h"
31 #include "libcli/raw/libcliraw.h"
32 #include "libcli/raw/raw_proto.h"
33 #include "libcli/composite/composite.h"
34 #include "libcli/smb_composite/smb_composite.h"
35 #include "auth/auth.h"
36 #include "auth/credentials/credentials.h"
37 #include "ntvfs/ntvfs.h"
38 #include "../lib/util/dlinklist.h"
39 #include "param/param.h"
40 #include "libcli/resolve/resolve.h"
41 #include "libcli/smb2/smb2.h"
42 #include "libcli/smb2/smb2_calls.h"
43
44 struct cvfs_file {
45 struct cvfs_file *prev, *next;
46 uint16_t fnum;
47 struct ntvfs_handle *h;
48 };
49
50 /* this is stored in ntvfs_private */
51 struct cvfs_private {
52 struct smb2_tree *tree;
53 struct smb2_transport *transport;
54 struct ntvfs_module_context *ntvfs;
55 struct async_info *pending;
56 struct cvfs_file *files;
57
58 /* a handle on the root of the share */
59 /* TODO: leaving this handle open could prevent other users
60 from opening the share with exclusive access. We probably
61 need to open it on demand */
62 struct smb2_handle roothandle;
63 };
64
65
66 /* a structure used to pass information to an async handler */
67 struct async_info {
68 struct async_info *next, *prev;
69 struct cvfs_private *cvfs;
70 struct ntvfs_request *req;
71 void *c_req;
72 struct composite_context *c_comp;
73 struct cvfs_file *f;
74 void *parms;
75 };
76
77 #define SETUP_FILE_HERE(f) do { \
78 f = ntvfs_handle_get_backend_data(io->generic.in.file.ntvfs, ntvfs); \
79 if (!f) return NT_STATUS_INVALID_HANDLE; \
80 io->generic.in.file.fnum = f->fnum; \
81 } while (0)
82
83 #define SETUP_FILE do { \
84 struct cvfs_file *f; \
85 SETUP_FILE_HERE(f); \
86 } while (0)
87
88 #define SMB2_SERVER "smb2:server"
89 #define SMB2_USER "smb2:user"
90 #define SMB2_PASSWORD "smb2:password"
91 #define SMB2_DOMAIN "smb2:domain"
92 #define SMB2_SHARE "smb2:share"
93 #define SMB2_USE_MACHINE_ACCT "smb2:use-machine-account"
94
95 #define SMB2_USE_MACHINE_ACCT_DEFAULT false
96
97 /*
98 a handler for oplock break events from the server - these need to be passed
99 along to the client
100 */
101 static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private)
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102 {
103 struct cvfs_private *p = p_private;
104 NTSTATUS status;
105 struct ntvfs_handle *h = NULL;
106 struct cvfs_file *f;
107
108 for (f=p->files; f; f=f->next) {
109 if (f->fnum != fnum) continue;
110 h = f->h;
111 break;
112 }
113
114 if (!h) {
115 DEBUG(5,("vfs_smb2: ignoring oplock break level %d for fnum %d\n", level, fnum));
116 return true;
117 }
118
119 DEBUG(5,("vfs_smb2: sending oplock break level %d for fnum %d\n", level, fnum));
120 status = ntvfs_send_oplock_break(p->ntvfs, h, level);
121 if (!NT_STATUS_IS_OK(status)) return false;
122 return true;
123 }
124
125 /*
126 return a handle to the root of the share
127 */
128 static NTSTATUS smb2_get_roothandle(struct smb2_tree *tree, struct smb2_handle *handle)
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129 {
130 struct smb2_create io;
131 NTSTATUS status;
132
133 ZERO_STRUCT(io);
134 io.in.oplock_level = 0;
135 io.in.desired_access = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
136 io.in.file_attributes = 0;
137 io.in.create_disposition = NTCREATEX_DISP_OPEN;
138 io.in.share_access =
139 NTCREATEX_SHARE_ACCESS_READ |
140 NTCREATEX_SHARE_ACCESS_WRITE|
141 NTCREATEX_SHARE_ACCESS_DELETE;
142 io.in.create_options = 0;
143 io.in.fname = NULL;
144
145 status = smb2_create(tree, tree, &io);
146 NT_STATUS_NOT_OK_RETURN(status);
147
148 *handle = io.out.file.handle;
149
150 return NT_STATUS_OK;
151 }
152
153 /*
154 connect to a share - used when a tree_connect operation comes in.
155 */
156 static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
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157 struct ntvfs_request *req, const char *sharename)
158 {
159 NTSTATUS status;
160 struct cvfs_private *p;
161 const char *host, *user, *pass, *domain, *remote_share;
162 struct composite_context *creq;
163 struct share_config *scfg = ntvfs->ctx->config;
164 struct smb2_tree *tree;
165 struct cli_credentials *credentials;
166 bool machine_account;
167 struct smbcli_options options;
168
169 /* Here we need to determine which server to connect to.
170 * For now we use parametric options, type cifs.
171 * Later we will use security=server and auth_server.c.
172 */
173 host = share_string_option(scfg, SMB2_SERVER, NULL);
174 user = share_string_option(scfg, SMB2_USER, NULL);
175 pass = share_string_option(scfg, SMB2_PASSWORD, NULL);
176 domain = share_string_option(scfg, SMB2_DOMAIN, NULL);
177 remote_share = share_string_option(scfg, SMB2_SHARE, NULL);
178 if (!remote_share) {
179 remote_share = sharename;
180 }
181
182 machine_account = share_bool_option(scfg, SMB2_USE_MACHINE_ACCT, SMB2_USE_MACHINE_ACCT_DEFAULT);
183
184 p = talloc_zero(ntvfs, struct cvfs_private);
185 if (!p) {
186 return NT_STATUS_NO_MEMORY;
187 }
188
189 ntvfs->private_data = p;
190
191 if (!host) {
192 DEBUG(1,("CIFS backend: You must supply server\n"));
193 return NT_STATUS_INVALID_PARAMETER;
194 }
195
196 if (user && pass) {
197 DEBUG(5, ("CIFS backend: Using specified password\n"));
198 credentials = cli_credentials_init(p);
199 if (!credentials) {
200 return NT_STATUS_NO_MEMORY;
201 }
202 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
203 cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
204 if (domain) {
205 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
206 }
207 cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
208 } else if (machine_account) {
209 DEBUG(5, ("CIFS backend: Using machine account\n"));
210 credentials = cli_credentials_init(p);
211 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
212 if (domain) {
213 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
214 }
215 status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
216 if (!NT_STATUS_IS_OK(status)) {
217 return status;
218 }
219 } else if (req->session_info->credentials) {
220 DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
221 credentials = req->session_info->credentials;
222 } else {
223 DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
224 return NT_STATUS_INVALID_PARAMETER;
225 }
226
227 lp_smbcli_options(ntvfs->ctx->lp_ctx, &options);
228
229 creq = smb2_connect_send(p, host,
230 lp_parm_string_list(p, ntvfs->ctx->lp_ctx, NULL, "smb2", "ports", NULL),
231 remote_share,
232 lp_resolve_context(ntvfs->ctx->lp_ctx),
233 credentials,
234 ntvfs->ctx->event_ctx, &options,
235 lp_socket_options(ntvfs->ctx->lp_ctx),
236 lp_gensec_settings(p, ntvfs->ctx->lp_ctx)
237 );
238
239 status = smb2_connect_recv(creq, p, &tree);
240 NT_STATUS_NOT_OK_RETURN(status);
241
242 status = smb2_get_roothandle(tree, &p->roothandle);
243 NT_STATUS_NOT_OK_RETURN(status);
244
245 p->tree = tree;
246 p->transport = p->tree->session->transport;
247 p->ntvfs = ntvfs;
248
249 ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
250 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
251 ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
252 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
253
254 /* we need to receive oplock break requests from the server */
255 /* TODO: enable oplocks
256 smbcli_oplock_handler(p->transport, oplock_handler, p);
257 */
258 return NT_STATUS_OK;
259 }
260
261 /*
262 disconnect from a share
263 */
264 static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs)
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265 {
266 struct cvfs_private *p = ntvfs->private_data;
267 struct async_info *a, *an;
268
269 /* first cleanup pending requests */
270 for (a=p->pending; a; a = an) {
271 an = a->next;
272 talloc_free(a->c_req);
273 talloc_free(a);
274 }
275
276 talloc_free(p);
277 ntvfs->private_data = NULL;
278
279 return NT_STATUS_OK;
280 }
281
282 /*
283 destroy an async info structure
284 */
285 static int async_info_destructor(struct async_info *async)
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286 {
287 DLIST_REMOVE(async->cvfs->pending, async);
288 return 0;
289 }
290
291 /*
292 a handler for simple async SMB2 replies
293 this handler can only be used for functions that don't return any
294 parameters (those that just return a status code)
295 */
296 static void async_simple_smb2(struct smb2_request *c_req)
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297 {
298 struct async_info *async = c_req->async.private_data;
299 struct ntvfs_request *req = async->req;
300
301 smb2_request_receive(c_req);
302 req->async_states->status = smb2_request_destroy(c_req);
303 talloc_free(async);
304 req->async_states->send_fn(req);
305 }
306
307 /*
308 a handler for simple async composite replies
309 this handler can only be used for functions that don't return any
310 parameters (those that just return a status code)
311 */
312 static void async_simple_composite(struct composite_context *c_req)
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313 {
314 struct async_info *async = c_req->async.private_data;
315 struct ntvfs_request *req = async->req;
316
317 req->async_states->status = composite_wait_free(c_req);
318 talloc_free(async);
319 req->async_states->send_fn(req);
320 }
321
322
323 /* save some typing for the simple functions */
324 #define ASYNC_RECV_TAIL_F(io, async_fn, file) do { \
325 if (!c_req) return NT_STATUS_UNSUCCESSFUL; \
326 { \
327 struct async_info *async; \
328 async = talloc(req, struct async_info); \
329 if (!async) return NT_STATUS_NO_MEMORY; \
330 async->parms = io; \
331 async->req = req; \
332 async->f = file; \
333 async->cvfs = p; \
334 async->c_req = c_req; \
335 DLIST_ADD(p->pending, async); \
336 c_req->async.private_data = async; \
337 talloc_set_destructor(async, async_info_destructor); \
338 } \
339 c_req->async.fn = async_fn; \
340 req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; \
341 return NT_STATUS_OK; \
342 } while (0)
343
344 #define ASYNC_RECV_TAIL(io, async_fn) ASYNC_RECV_TAIL_F(io, async_fn, NULL)
345
346 #define SIMPLE_ASYNC_TAIL ASYNC_RECV_TAIL(NULL, async_simple_smb2)
347 #define SIMPLE_COMPOSITE_TAIL ASYNC_RECV_TAIL(NULL, async_simple_composite)
348
349 #define CHECK_ASYNC(req) do { \
350 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { \
351 DEBUG(0,("SMB2 proxy backend does not support sync operation at %s\n", \
352 __location__)); \
353 return NT_STATUS_NOT_IMPLEMENTED; \
354 }} while (0)
355
356 /*
357 delete a file - the dirtype specifies the file types to include in the search.
358 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
359
360 BUGS:
361 - doesn't handle wildcards
362 - doesn't obey attrib restrictions
363 */
364 static NTSTATUS cvfs_unlink(struct ntvfs_module_context *ntvfs,
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365 struct ntvfs_request *req, union smb_unlink *unl)
366 {
367 struct cvfs_private *p = ntvfs->private_data;
368 struct composite_context *c_req;
369
370 CHECK_ASYNC(req);
371
372 c_req = smb2_composite_unlink_send(p->tree, unl);
373
374 SIMPLE_COMPOSITE_TAIL;
375 }
376
377 /*
378 ioctl interface
379 */
380 static NTSTATUS cvfs_ioctl(struct ntvfs_module_context *ntvfs,
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381 struct ntvfs_request *req, union smb_ioctl *io)
382 {
383 return NT_STATUS_NOT_IMPLEMENTED;
384 }
385
386 /*
387 check if a directory exists
388 */
389 static NTSTATUS cvfs_chkpath(struct ntvfs_module_context *ntvfs,
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390 struct ntvfs_request *req, union smb_chkpath *cp)
391 {
392 struct cvfs_private *p = ntvfs->private_data;
393 struct smb2_request *c_req;
394 struct smb2_find f;
395
396 CHECK_ASYNC(req);
397
398 /* SMB2 doesn't have a chkpath operation, and also doesn't
399 have a query path info call, so the best seems to be to do a
400 find call, using the roothandle we established at connect
401 time */
402 ZERO_STRUCT(f);
403 f.in.file.handle = p->roothandle;
404 f.in.level = SMB2_FIND_DIRECTORY_INFO;
405 f.in.pattern = cp->chkpath.in.path;
406 /* SMB2 find doesn't accept \ or the empty string - this is the best
407 approximation */
408 if (strcmp(f.in.pattern, "\\") == 0 ||
409 strcmp(f.in.pattern, "") == 0) {
410 f.in.pattern = "?";
411 }
412 f.in.continue_flags = SMB2_CONTINUE_FLAG_SINGLE | SMB2_CONTINUE_FLAG_RESTART;
413 f.in.max_response_size = 0x1000;
414
415 c_req = smb2_find_send(p->tree, &f);
416
417 SIMPLE_ASYNC_TAIL;
418 }
419
420 /*
421 return info on a pathname
422 */
423 static NTSTATUS cvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
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424 struct ntvfs_request *req, union smb_fileinfo *info)
425 {
426 return NT_STATUS_NOT_IMPLEMENTED;
427 }
428
429 /*
430 query info on a open file
431 */
432 static NTSTATUS cvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
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433 struct ntvfs_request *req, union smb_fileinfo *io)
434 {
435 return NT_STATUS_NOT_IMPLEMENTED;
436 }
437
438
439 /*
440 set info on a pathname
441 */
442 static NTSTATUS cvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
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443 struct ntvfs_request *req, union smb_setfileinfo *st)
444 {
445 return NT_STATUS_NOT_IMPLEMENTED;
446 }
447
448
449 /*
450 open a file
451 */
452 static NTSTATUS cvfs_open(struct ntvfs_module_context *ntvfs,
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453 struct ntvfs_request *req, union smb_open *io)
454 {
455 return NT_STATUS_NOT_IMPLEMENTED;
456 }
457
458 /*
459 create a directory
460 */
461 static NTSTATUS cvfs_mkdir(struct ntvfs_module_context *ntvfs,
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462 struct ntvfs_request *req, union smb_mkdir *md)
463 {
464 struct cvfs_private *p = ntvfs->private_data;
465 struct composite_context *c_req;
466
467 CHECK_ASYNC(req);
468
469 c_req = smb2_composite_mkdir_send(p->tree, md);
470
471 SIMPLE_COMPOSITE_TAIL;
472 }
473
474 /*
475 remove a directory
476 */
477 static NTSTATUS cvfs_rmdir(struct ntvfs_module_context *ntvfs,
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478 struct ntvfs_request *req, struct smb_rmdir *rd)
479 {
480 struct cvfs_private *p = ntvfs->private_data;
481 struct composite_context *c_req;
482
483 CHECK_ASYNC(req);
484
485 c_req = smb2_composite_rmdir_send(p->tree, rd);
486
487 SIMPLE_COMPOSITE_TAIL;
488 }
489
490 /*
491 rename a set of files
492 */
493 static NTSTATUS cvfs_rename(struct ntvfs_module_context *ntvfs,
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494 struct ntvfs_request *req, union smb_rename *ren)
495 {
496 return NT_STATUS_NOT_IMPLEMENTED;
497 }
498
499 /*
500 copy a set of files
501 */
502 static NTSTATUS cvfs_copy(struct ntvfs_module_context *ntvfs,
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503 struct ntvfs_request *req, struct smb_copy *cp)
504 {
505 return NT_STATUS_NOT_SUPPORTED;
506 }
507
508 /*
509 read from a file
510 */
511 static NTSTATUS cvfs_read(struct ntvfs_module_context *ntvfs,
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512 struct ntvfs_request *req, union smb_read *io)
513 {
514 return NT_STATUS_NOT_IMPLEMENTED;
515 }
516
517 /*
518 write to a file
519 */
520 static NTSTATUS cvfs_write(struct ntvfs_module_context *ntvfs,
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521 struct ntvfs_request *req, union smb_write *io)
522 {
523 return NT_STATUS_NOT_IMPLEMENTED;
524 }
525
526 /*
527 seek in a file
528 */
529 static NTSTATUS cvfs_seek(struct ntvfs_module_context *ntvfs,
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530 struct ntvfs_request *req,
531 union smb_seek *io)
532 {
533 return NT_STATUS_NOT_IMPLEMENTED;
534 }
535
536 /*
537 flush a file
538 */
539 static NTSTATUS cvfs_flush(struct ntvfs_module_context *ntvfs,
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540 struct ntvfs_request *req,
541 union smb_flush *io)
542 {
543 return NT_STATUS_NOT_IMPLEMENTED;
544 }
545
546 /*
547 close a file
548 */
549 static NTSTATUS cvfs_close(struct ntvfs_module_context *ntvfs,
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550 struct ntvfs_request *req, union smb_close *io)
551 {
552 return NT_STATUS_NOT_IMPLEMENTED;
553 }
554
555 /*
556 exit - closing files open by the pid
557 */
558 static NTSTATUS cvfs_exit(struct ntvfs_module_context *ntvfs,
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559 struct ntvfs_request *req)
560 {
561 return NT_STATUS_NOT_IMPLEMENTED;
562 }
563
564 /*
565 logoff - closing files open by the user
566 */
567 static NTSTATUS cvfs_logoff(struct ntvfs_module_context *ntvfs,
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568 struct ntvfs_request *req)
569 {
570 /* we can't do this right in the cifs backend .... */
571 return NT_STATUS_OK;
572 }
573
574 /*
575 setup for an async call - nothing to do yet
576 */
577 static NTSTATUS cvfs_async_setup(struct ntvfs_module_context *ntvfs,
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578 struct ntvfs_request *req,
579 void *private_data)
580 {
581 return NT_STATUS_OK;
582 }
583
584 /*
585 cancel an async call
586 */
587 static NTSTATUS cvfs_cancel(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
588 struct ntvfs_request *req)
589 {
590 return NT_STATUS_NOT_IMPLEMENTED;
591 }
592
593 /*
594 lock a byte range
595 */
596 static NTSTATUS cvfs_lock(struct ntvfs_module_context *ntvfs,
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597 struct ntvfs_request *req, union smb_lock *io)
598 {
599 return NT_STATUS_NOT_IMPLEMENTED;
600 }
601
602 /*
603 set info on a open file
604 */
605 static NTSTATUS cvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
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606 struct ntvfs_request *req,
607 union smb_setfileinfo *io)
608 {
609 return NT_STATUS_NOT_IMPLEMENTED;
610 }
611
612
613 /*
614 a handler for async fsinfo replies
615 */
616 static void async_fsinfo(struct smb2_request *c_req)
/* [<][>][^][v][top][bottom][index][help] */
617 {
618 struct async_info *async = c_req->async.private_data;
619 struct ntvfs_request *req = async->req;
620 req->async_states->status = smb2_getinfo_fs_recv(c_req, req, async->parms);
621 talloc_free(async);
622 req->async_states->send_fn(req);
623 }
624
625 /*
626 return filesystem space info
627 */
628 static NTSTATUS cvfs_fsinfo(struct ntvfs_module_context *ntvfs,
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629 struct ntvfs_request *req, union smb_fsinfo *fs)
630 {
631 struct cvfs_private *p = ntvfs->private_data;
632 struct smb2_request *c_req;
633 enum smb_fsinfo_level level = fs->generic.level;
634
635 CHECK_ASYNC(req);
636
637 switch (level) {
638 /* some levels go straight through */
639 case RAW_QFS_VOLUME_INFORMATION:
640 case RAW_QFS_SIZE_INFORMATION:
641 case RAW_QFS_DEVICE_INFORMATION:
642 case RAW_QFS_ATTRIBUTE_INFORMATION:
643 case RAW_QFS_QUOTA_INFORMATION:
644 case RAW_QFS_FULL_SIZE_INFORMATION:
645 case RAW_QFS_OBJECTID_INFORMATION:
646 break;
647
648 /* some get mapped */
649 case RAW_QFS_VOLUME_INFO:
650 level = RAW_QFS_VOLUME_INFORMATION;
651 break;
652 case RAW_QFS_SIZE_INFO:
653 level = RAW_QFS_SIZE_INFORMATION;
654 break;
655 case RAW_QFS_DEVICE_INFO:
656 level = RAW_QFS_DEVICE_INFORMATION;
657 break;
658 case RAW_QFS_ATTRIBUTE_INFO:
659 level = RAW_QFS_ATTRIBUTE_INFO;
660 break;
661
662 default:
663 /* the rest get refused for now */
664 DEBUG(0,("fsinfo level %u not possible on SMB2\n",
665 (unsigned)fs->generic.level));
666 break;
667 }
668
669 fs->generic.level = level;
670 fs->generic.handle = p->roothandle;
671
672 c_req = smb2_getinfo_fs_send(p->tree, fs);
673
674 ASYNC_RECV_TAIL(fs, async_fsinfo);
675 }
676
677 /*
678 return print queue info
679 */
680 static NTSTATUS cvfs_lpq(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
681 struct ntvfs_request *req, union smb_lpq *lpq)
682 {
683 return NT_STATUS_NOT_SUPPORTED;
684 }
685
686 /*
687 list files in a directory matching a wildcard pattern
688 */
689 static NTSTATUS cvfs_search_first(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
690 struct ntvfs_request *req, union smb_search_first *io,
691 void *search_private,
692 bool (*callback)(void *, const union smb_search_data *))
693 {
694 struct cvfs_private *p = ntvfs->private_data;
695 struct smb2_find f;
696 enum smb_search_data_level smb2_level;
697 uint_t count, i;
698 union smb_search_data *data;
699 NTSTATUS status;
700
701 if (io->generic.level != RAW_SEARCH_TRANS2) {
702 DEBUG(0,("We only support trans2 search in smb2 backend\n"));
703 return NT_STATUS_NOT_SUPPORTED;
704 }
705
706 switch (io->generic.data_level) {
707 case RAW_SEARCH_DATA_DIRECTORY_INFO:
708 smb2_level = SMB2_FIND_DIRECTORY_INFO;
709 break;
710 case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
711 smb2_level = SMB2_FIND_FULL_DIRECTORY_INFO;
712 break;
713 case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
714 smb2_level = SMB2_FIND_BOTH_DIRECTORY_INFO;
715 break;
716 case RAW_SEARCH_DATA_NAME_INFO:
717 smb2_level = SMB2_FIND_NAME_INFO;
718 break;
719 case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
720 smb2_level = SMB2_FIND_ID_FULL_DIRECTORY_INFO;
721 break;
722 case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
723 smb2_level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO;
724 break;
725 default:
726 DEBUG(0,("Unsupported search level %u for smb2 backend\n",
727 (unsigned)io->generic.data_level));
728 return NT_STATUS_INVALID_INFO_CLASS;
729 }
730
731 /* we do the search on the roothandle. This only works because
732 search is synchronous, otherwise we'd have no way to
733 distinguish multiple searches happening at once
734 */
735 ZERO_STRUCT(f);
736 f.in.file.handle = p->roothandle;
737 f.in.level = smb2_level;
738 f.in.pattern = io->t2ffirst.in.pattern;
739 while (f.in.pattern[0] == '\\') {
740 f.in.pattern++;
741 }
742 f.in.continue_flags = 0;
743 f.in.max_response_size = 0x10000;
744
745 status = smb2_find_level(p->tree, req, &f, &count, &data);
746 NT_STATUS_NOT_OK_RETURN(status);
747
748 for (i=0;i<count;i++) {
749 if (!callback(search_private, &data[i])) break;
750 }
751
752 io->t2ffirst.out.handle = 0;
753 io->t2ffirst.out.count = i;
754 /* TODO: fix end_of_file */
755 io->t2ffirst.out.end_of_search = 1;
756
757 talloc_free(data);
758
759 return NT_STATUS_OK;
760 }
761
762 /* continue a search */
763 static NTSTATUS cvfs_search_next(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
764 struct ntvfs_request *req, union smb_search_next *io,
765 void *search_private,
766 bool (*callback)(void *, const union smb_search_data *))
767 {
768 return NT_STATUS_NOT_IMPLEMENTED;
769 }
770
771 /* close a search */
772 static NTSTATUS cvfs_search_close(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
773 struct ntvfs_request *req, union smb_search_close *io)
774 {
775 return NT_STATUS_NOT_IMPLEMENTED;
776 }
777
778 /* SMBtrans - not used on file shares */
779 static NTSTATUS cvfs_trans(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
780 struct ntvfs_request *req,
781 struct smb_trans2 *trans2)
782 {
783 return NT_STATUS_ACCESS_DENIED;
784 }
785
786 /* change notify request - always async */
787 static NTSTATUS cvfs_notify(struct ntvfs_module_context *ntvfs,
/* [<][>][^][v][top][bottom][index][help] */
788 struct ntvfs_request *req,
789 union smb_notify *io)
790 {
791 return NT_STATUS_NOT_IMPLEMENTED;
792 }
793
794 /*
795 initialise the CIFS->CIFS backend, registering ourselves with the ntvfs subsystem
796 */
797 NTSTATUS ntvfs_smb2_init(void)
/* [<][>][^][v][top][bottom][index][help] */
798 {
799 NTSTATUS ret;
800 struct ntvfs_ops ops;
801 NTVFS_CURRENT_CRITICAL_SIZES(vers);
802
803 ZERO_STRUCT(ops);
804
805 /* fill in the name and type */
806 ops.name = "smb2";
807 ops.type = NTVFS_DISK;
808
809 /* fill in all the operations */
810 ops.connect = cvfs_connect;
811 ops.disconnect = cvfs_disconnect;
812 ops.unlink = cvfs_unlink;
813 ops.chkpath = cvfs_chkpath;
814 ops.qpathinfo = cvfs_qpathinfo;
815 ops.setpathinfo = cvfs_setpathinfo;
816 ops.open = cvfs_open;
817 ops.mkdir = cvfs_mkdir;
818 ops.rmdir = cvfs_rmdir;
819 ops.rename = cvfs_rename;
820 ops.copy = cvfs_copy;
821 ops.ioctl = cvfs_ioctl;
822 ops.read = cvfs_read;
823 ops.write = cvfs_write;
824 ops.seek = cvfs_seek;
825 ops.flush = cvfs_flush;
826 ops.close = cvfs_close;
827 ops.exit = cvfs_exit;
828 ops.lock = cvfs_lock;
829 ops.setfileinfo = cvfs_setfileinfo;
830 ops.qfileinfo = cvfs_qfileinfo;
831 ops.fsinfo = cvfs_fsinfo;
832 ops.lpq = cvfs_lpq;
833 ops.search_first = cvfs_search_first;
834 ops.search_next = cvfs_search_next;
835 ops.search_close = cvfs_search_close;
836 ops.trans = cvfs_trans;
837 ops.logoff = cvfs_logoff;
838 ops.async_setup = cvfs_async_setup;
839 ops.cancel = cvfs_cancel;
840 ops.notify = cvfs_notify;
841
842 /* register ourselves with the NTVFS subsystem. We register
843 under the name 'smb2'. */
844 ret = ntvfs_register(&ops, &vers);
845
846 if (!NT_STATUS_IS_OK(ret)) {
847 DEBUG(0,("Failed to register SMB2 backend\n"));
848 }
849
850 return ret;
851 }