source: trunk/server/source4/ntvfs/smb2/vfs_smb2.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 23.2 KB
Line 
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
44struct 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 */
51struct 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 */
67struct 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 */
101static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private)
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*/
128static NTSTATUS smb2_get_roothandle(struct smb2_tree *tree, struct smb2_handle *handle)
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*/
156static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
157 struct ntvfs_request *req,
158 union smb_tcon* tcon)
159{
160 NTSTATUS status;
161 struct cvfs_private *p;
162 const char *host, *user, *pass, *domain, *remote_share, *sharename;
163 struct composite_context *creq;
164 struct share_config *scfg = ntvfs->ctx->config;
165 struct smb2_tree *tree;
166 struct cli_credentials *credentials;
167 bool machine_account;
168 struct smbcli_options options;
169
170 switch (tcon->generic.level) {
171 case RAW_TCON_TCON:
172 sharename = tcon->tcon.in.service;
173 break;
174 case RAW_TCON_TCONX:
175 sharename = tcon->tconx.in.path;
176 break;
177 case RAW_TCON_SMB2:
178 sharename = tcon->smb2.in.path;
179 break;
180 default:
181 return NT_STATUS_INVALID_LEVEL;
182 }
183
184 if (strncmp(sharename, "\\\\", 2) == 0) {
185 char *str = strchr(sharename+2, '\\');
186 if (str) {
187 sharename = str + 1;
188 }
189 }
190
191 /* Here we need to determine which server to connect to.
192 * For now we use parametric options, type cifs.
193 * Later we will use security=server and auth_server.c.
194 */
195 host = share_string_option(scfg, SMB2_SERVER, NULL);
196 user = share_string_option(scfg, SMB2_USER, NULL);
197 pass = share_string_option(scfg, SMB2_PASSWORD, NULL);
198 domain = share_string_option(scfg, SMB2_DOMAIN, NULL);
199 remote_share = share_string_option(scfg, SMB2_SHARE, NULL);
200 if (!remote_share) {
201 remote_share = sharename;
202 }
203
204 machine_account = share_bool_option(scfg, SMB2_USE_MACHINE_ACCT, SMB2_USE_MACHINE_ACCT_DEFAULT);
205
206 p = talloc_zero(ntvfs, struct cvfs_private);
207 if (!p) {
208 return NT_STATUS_NO_MEMORY;
209 }
210
211 ntvfs->private_data = p;
212
213 if (!host) {
214 DEBUG(1,("CIFS backend: You must supply server\n"));
215 return NT_STATUS_INVALID_PARAMETER;
216 }
217
218 if (user && pass) {
219 DEBUG(5, ("CIFS backend: Using specified password\n"));
220 credentials = cli_credentials_init(p);
221 if (!credentials) {
222 return NT_STATUS_NO_MEMORY;
223 }
224 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
225 cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
226 if (domain) {
227 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
228 }
229 cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
230 } else if (machine_account) {
231 DEBUG(5, ("CIFS backend: Using machine account\n"));
232 credentials = cli_credentials_init(p);
233 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
234 if (domain) {
235 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
236 }
237 status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
238 if (!NT_STATUS_IS_OK(status)) {
239 return status;
240 }
241 } else if (req->session_info->credentials) {
242 DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
243 credentials = req->session_info->credentials;
244 } else {
245 DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
246 return NT_STATUS_INVALID_PARAMETER;
247 }
248
249 lpcfg_smbcli_options(ntvfs->ctx->lp_ctx, &options);
250
251 creq = smb2_connect_send(p, host,
252 lpcfg_parm_string_list(p, ntvfs->ctx->lp_ctx, NULL, "smb2", "ports", NULL),
253 remote_share,
254 lpcfg_resolve_context(ntvfs->ctx->lp_ctx),
255 credentials,
256 ntvfs->ctx->event_ctx, &options,
257 lpcfg_socket_options(ntvfs->ctx->lp_ctx),
258 lpcfg_gensec_settings(p, ntvfs->ctx->lp_ctx)
259 );
260
261 status = smb2_connect_recv(creq, p, &tree);
262 NT_STATUS_NOT_OK_RETURN(status);
263
264 status = smb2_get_roothandle(tree, &p->roothandle);
265 NT_STATUS_NOT_OK_RETURN(status);
266
267 p->tree = tree;
268 p->transport = p->tree->session->transport;
269 p->ntvfs = ntvfs;
270
271 ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
272 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
273 ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
274 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
275
276 if (tcon->generic.level == RAW_TCON_TCONX) {
277 tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
278 tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
279 }
280
281 /* we need to receive oplock break requests from the server */
282 /* TODO: enable oplocks
283 smbcli_oplock_handler(p->transport, oplock_handler, p);
284 */
285 return NT_STATUS_OK;
286}
287
288/*
289 disconnect from a share
290*/
291static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs)
292{
293 struct cvfs_private *p = ntvfs->private_data;
294 struct async_info *a, *an;
295
296 /* first cleanup pending requests */
297 for (a=p->pending; a; a = an) {
298 an = a->next;
299 talloc_free(a->c_req);
300 talloc_free(a);
301 }
302
303 talloc_free(p);
304 ntvfs->private_data = NULL;
305
306 return NT_STATUS_OK;
307}
308
309/*
310 destroy an async info structure
311*/
312static int async_info_destructor(struct async_info *async)
313{
314 DLIST_REMOVE(async->cvfs->pending, async);
315 return 0;
316}
317
318/*
319 a handler for simple async SMB2 replies
320 this handler can only be used for functions that don't return any
321 parameters (those that just return a status code)
322 */
323static void async_simple_smb2(struct smb2_request *c_req)
324{
325 struct async_info *async = c_req->async.private_data;
326 struct ntvfs_request *req = async->req;
327
328 smb2_request_receive(c_req);
329 req->async_states->status = smb2_request_destroy(c_req);
330 talloc_free(async);
331 req->async_states->send_fn(req);
332}
333
334/*
335 a handler for simple async composite replies
336 this handler can only be used for functions that don't return any
337 parameters (those that just return a status code)
338 */
339static void async_simple_composite(struct composite_context *c_req)
340{
341 struct async_info *async = c_req->async.private_data;
342 struct ntvfs_request *req = async->req;
343
344 req->async_states->status = composite_wait_free(c_req);
345 talloc_free(async);
346 req->async_states->send_fn(req);
347}
348
349
350/* save some typing for the simple functions */
351#define ASYNC_RECV_TAIL_F(io, async_fn, file) do { \
352 if (!c_req) return NT_STATUS_UNSUCCESSFUL; \
353 { \
354 struct async_info *async; \
355 async = talloc(req, struct async_info); \
356 if (!async) return NT_STATUS_NO_MEMORY; \
357 async->parms = io; \
358 async->req = req; \
359 async->f = file; \
360 async->cvfs = p; \
361 async->c_req = c_req; \
362 DLIST_ADD(p->pending, async); \
363 c_req->async.private_data = async; \
364 talloc_set_destructor(async, async_info_destructor); \
365 } \
366 c_req->async.fn = async_fn; \
367 req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; \
368 return NT_STATUS_OK; \
369} while (0)
370
371#define ASYNC_RECV_TAIL(io, async_fn) ASYNC_RECV_TAIL_F(io, async_fn, NULL)
372
373#define SIMPLE_ASYNC_TAIL ASYNC_RECV_TAIL(NULL, async_simple_smb2)
374#define SIMPLE_COMPOSITE_TAIL ASYNC_RECV_TAIL(NULL, async_simple_composite)
375
376#define CHECK_ASYNC(req) do { \
377 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { \
378 DEBUG(0,("SMB2 proxy backend does not support sync operation at %s\n", \
379 __location__)); \
380 return NT_STATUS_NOT_IMPLEMENTED; \
381 }} while (0)
382
383/*
384 delete a file - the dirtype specifies the file types to include in the search.
385 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
386
387 BUGS:
388 - doesn't handle wildcards
389 - doesn't obey attrib restrictions
390*/
391static NTSTATUS cvfs_unlink(struct ntvfs_module_context *ntvfs,
392 struct ntvfs_request *req, union smb_unlink *unl)
393{
394 struct cvfs_private *p = ntvfs->private_data;
395 struct composite_context *c_req;
396
397 CHECK_ASYNC(req);
398
399 c_req = smb2_composite_unlink_send(p->tree, unl);
400
401 SIMPLE_COMPOSITE_TAIL;
402}
403
404/*
405 ioctl interface
406*/
407static NTSTATUS cvfs_ioctl(struct ntvfs_module_context *ntvfs,
408 struct ntvfs_request *req, union smb_ioctl *io)
409{
410 return NT_STATUS_NOT_IMPLEMENTED;
411}
412
413/*
414 check if a directory exists
415*/
416static NTSTATUS cvfs_chkpath(struct ntvfs_module_context *ntvfs,
417 struct ntvfs_request *req, union smb_chkpath *cp)
418{
419 struct cvfs_private *p = ntvfs->private_data;
420 struct smb2_request *c_req;
421 struct smb2_find f;
422
423 CHECK_ASYNC(req);
424
425 /* SMB2 doesn't have a chkpath operation, and also doesn't
426 have a query path info call, so the best seems to be to do a
427 find call, using the roothandle we established at connect
428 time */
429 ZERO_STRUCT(f);
430 f.in.file.handle = p->roothandle;
431 f.in.level = SMB2_FIND_DIRECTORY_INFO;
432 f.in.pattern = cp->chkpath.in.path;
433 /* SMB2 find doesn't accept \ or the empty string - this is the best
434 approximation */
435 if (strcmp(f.in.pattern, "\\") == 0 ||
436 strcmp(f.in.pattern, "") == 0) {
437 f.in.pattern = "?";
438 }
439 f.in.continue_flags = SMB2_CONTINUE_FLAG_SINGLE | SMB2_CONTINUE_FLAG_RESTART;
440 f.in.max_response_size = 0x1000;
441
442 c_req = smb2_find_send(p->tree, &f);
443
444 SIMPLE_ASYNC_TAIL;
445}
446
447/*
448 return info on a pathname
449*/
450static NTSTATUS cvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
451 struct ntvfs_request *req, union smb_fileinfo *info)
452{
453 return NT_STATUS_NOT_IMPLEMENTED;
454}
455
456/*
457 query info on a open file
458*/
459static NTSTATUS cvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
460 struct ntvfs_request *req, union smb_fileinfo *io)
461{
462 return NT_STATUS_NOT_IMPLEMENTED;
463}
464
465
466/*
467 set info on a pathname
468*/
469static NTSTATUS cvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
470 struct ntvfs_request *req, union smb_setfileinfo *st)
471{
472 return NT_STATUS_NOT_IMPLEMENTED;
473}
474
475
476/*
477 open a file
478*/
479static NTSTATUS cvfs_open(struct ntvfs_module_context *ntvfs,
480 struct ntvfs_request *req, union smb_open *io)
481{
482 return NT_STATUS_NOT_IMPLEMENTED;
483}
484
485/*
486 create a directory
487*/
488static NTSTATUS cvfs_mkdir(struct ntvfs_module_context *ntvfs,
489 struct ntvfs_request *req, union smb_mkdir *md)
490{
491 struct cvfs_private *p = ntvfs->private_data;
492 struct composite_context *c_req;
493
494 CHECK_ASYNC(req);
495
496 c_req = smb2_composite_mkdir_send(p->tree, md);
497
498 SIMPLE_COMPOSITE_TAIL;
499}
500
501/*
502 remove a directory
503*/
504static NTSTATUS cvfs_rmdir(struct ntvfs_module_context *ntvfs,
505 struct ntvfs_request *req, struct smb_rmdir *rd)
506{
507 struct cvfs_private *p = ntvfs->private_data;
508 struct composite_context *c_req;
509
510 CHECK_ASYNC(req);
511
512 c_req = smb2_composite_rmdir_send(p->tree, rd);
513
514 SIMPLE_COMPOSITE_TAIL;
515}
516
517/*
518 rename a set of files
519*/
520static NTSTATUS cvfs_rename(struct ntvfs_module_context *ntvfs,
521 struct ntvfs_request *req, union smb_rename *ren)
522{
523 return NT_STATUS_NOT_IMPLEMENTED;
524}
525
526/*
527 copy a set of files
528*/
529static NTSTATUS cvfs_copy(struct ntvfs_module_context *ntvfs,
530 struct ntvfs_request *req, struct smb_copy *cp)
531{
532 return NT_STATUS_NOT_SUPPORTED;
533}
534
535/*
536 read from a file
537*/
538static NTSTATUS cvfs_read(struct ntvfs_module_context *ntvfs,
539 struct ntvfs_request *req, union smb_read *io)
540{
541 return NT_STATUS_NOT_IMPLEMENTED;
542}
543
544/*
545 write to a file
546*/
547static NTSTATUS cvfs_write(struct ntvfs_module_context *ntvfs,
548 struct ntvfs_request *req, union smb_write *io)
549{
550 return NT_STATUS_NOT_IMPLEMENTED;
551}
552
553/*
554 seek in a file
555*/
556static NTSTATUS cvfs_seek(struct ntvfs_module_context *ntvfs,
557 struct ntvfs_request *req,
558 union smb_seek *io)
559{
560 return NT_STATUS_NOT_IMPLEMENTED;
561}
562
563/*
564 flush a file
565*/
566static NTSTATUS cvfs_flush(struct ntvfs_module_context *ntvfs,
567 struct ntvfs_request *req,
568 union smb_flush *io)
569{
570 return NT_STATUS_NOT_IMPLEMENTED;
571}
572
573/*
574 close a file
575*/
576static NTSTATUS cvfs_close(struct ntvfs_module_context *ntvfs,
577 struct ntvfs_request *req, union smb_close *io)
578{
579 return NT_STATUS_NOT_IMPLEMENTED;
580}
581
582/*
583 exit - closing files open by the pid
584*/
585static NTSTATUS cvfs_exit(struct ntvfs_module_context *ntvfs,
586 struct ntvfs_request *req)
587{
588 return NT_STATUS_NOT_IMPLEMENTED;
589}
590
591/*
592 logoff - closing files open by the user
593*/
594static NTSTATUS cvfs_logoff(struct ntvfs_module_context *ntvfs,
595 struct ntvfs_request *req)
596{
597 /* we can't do this right in the cifs backend .... */
598 return NT_STATUS_OK;
599}
600
601/*
602 setup for an async call - nothing to do yet
603*/
604static NTSTATUS cvfs_async_setup(struct ntvfs_module_context *ntvfs,
605 struct ntvfs_request *req,
606 void *private_data)
607{
608 return NT_STATUS_OK;
609}
610
611/*
612 cancel an async call
613*/
614static NTSTATUS cvfs_cancel(struct ntvfs_module_context *ntvfs,
615 struct ntvfs_request *req)
616{
617 return NT_STATUS_NOT_IMPLEMENTED;
618}
619
620/*
621 lock a byte range
622*/
623static NTSTATUS cvfs_lock(struct ntvfs_module_context *ntvfs,
624 struct ntvfs_request *req, union smb_lock *io)
625{
626 return NT_STATUS_NOT_IMPLEMENTED;
627}
628
629/*
630 set info on a open file
631*/
632static NTSTATUS cvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
633 struct ntvfs_request *req,
634 union smb_setfileinfo *io)
635{
636 return NT_STATUS_NOT_IMPLEMENTED;
637}
638
639
640/*
641 a handler for async fsinfo replies
642 */
643static void async_fsinfo(struct smb2_request *c_req)
644{
645 struct async_info *async = c_req->async.private_data;
646 struct ntvfs_request *req = async->req;
647 req->async_states->status = smb2_getinfo_fs_recv(c_req, req, async->parms);
648 talloc_free(async);
649 req->async_states->send_fn(req);
650}
651
652/*
653 return filesystem space info
654*/
655static NTSTATUS cvfs_fsinfo(struct ntvfs_module_context *ntvfs,
656 struct ntvfs_request *req, union smb_fsinfo *fs)
657{
658 struct cvfs_private *p = ntvfs->private_data;
659 struct smb2_request *c_req;
660 enum smb_fsinfo_level level = fs->generic.level;
661
662 CHECK_ASYNC(req);
663
664 switch (level) {
665 /* some levels go straight through */
666 case RAW_QFS_VOLUME_INFORMATION:
667 case RAW_QFS_SIZE_INFORMATION:
668 case RAW_QFS_DEVICE_INFORMATION:
669 case RAW_QFS_ATTRIBUTE_INFORMATION:
670 case RAW_QFS_QUOTA_INFORMATION:
671 case RAW_QFS_FULL_SIZE_INFORMATION:
672 case RAW_QFS_OBJECTID_INFORMATION:
673 break;
674
675 /* some get mapped */
676 case RAW_QFS_VOLUME_INFO:
677 level = RAW_QFS_VOLUME_INFORMATION;
678 break;
679 case RAW_QFS_SIZE_INFO:
680 level = RAW_QFS_SIZE_INFORMATION;
681 break;
682 case RAW_QFS_DEVICE_INFO:
683 level = RAW_QFS_DEVICE_INFORMATION;
684 break;
685 case RAW_QFS_ATTRIBUTE_INFO:
686 level = RAW_QFS_ATTRIBUTE_INFO;
687 break;
688
689 default:
690 /* the rest get refused for now */
691 DEBUG(0,("fsinfo level %u not possible on SMB2\n",
692 (unsigned)fs->generic.level));
693 break;
694 }
695
696 fs->generic.level = level;
697 fs->generic.handle = p->roothandle;
698
699 c_req = smb2_getinfo_fs_send(p->tree, fs);
700
701 ASYNC_RECV_TAIL(fs, async_fsinfo);
702}
703
704/*
705 return print queue info
706*/
707static NTSTATUS cvfs_lpq(struct ntvfs_module_context *ntvfs,
708 struct ntvfs_request *req, union smb_lpq *lpq)
709{
710 return NT_STATUS_NOT_SUPPORTED;
711}
712
713/*
714 list files in a directory matching a wildcard pattern
715*/
716static NTSTATUS cvfs_search_first(struct ntvfs_module_context *ntvfs,
717 struct ntvfs_request *req, union smb_search_first *io,
718 void *search_private,
719 bool (*callback)(void *, const union smb_search_data *))
720{
721 struct cvfs_private *p = ntvfs->private_data;
722 struct smb2_find f;
723 enum smb_search_data_level smb2_level;
724 unsigned int count, i;
725 union smb_search_data *data;
726 NTSTATUS status;
727
728 if (io->generic.level != RAW_SEARCH_TRANS2) {
729 DEBUG(0,("We only support trans2 search in smb2 backend\n"));
730 return NT_STATUS_NOT_SUPPORTED;
731 }
732
733 switch (io->generic.data_level) {
734 case RAW_SEARCH_DATA_DIRECTORY_INFO:
735 smb2_level = SMB2_FIND_DIRECTORY_INFO;
736 break;
737 case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
738 smb2_level = SMB2_FIND_FULL_DIRECTORY_INFO;
739 break;
740 case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
741 smb2_level = SMB2_FIND_BOTH_DIRECTORY_INFO;
742 break;
743 case RAW_SEARCH_DATA_NAME_INFO:
744 smb2_level = SMB2_FIND_NAME_INFO;
745 break;
746 case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
747 smb2_level = SMB2_FIND_ID_FULL_DIRECTORY_INFO;
748 break;
749 case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
750 smb2_level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO;
751 break;
752 default:
753 DEBUG(0,("Unsupported search level %u for smb2 backend\n",
754 (unsigned)io->generic.data_level));
755 return NT_STATUS_INVALID_INFO_CLASS;
756 }
757
758 /* we do the search on the roothandle. This only works because
759 search is synchronous, otherwise we'd have no way to
760 distinguish multiple searches happening at once
761 */
762 ZERO_STRUCT(f);
763 f.in.file.handle = p->roothandle;
764 f.in.level = smb2_level;
765 f.in.pattern = io->t2ffirst.in.pattern;
766 while (f.in.pattern[0] == '\\') {
767 f.in.pattern++;
768 }
769 f.in.continue_flags = 0;
770 f.in.max_response_size = 0x10000;
771
772 status = smb2_find_level(p->tree, req, &f, &count, &data);
773 NT_STATUS_NOT_OK_RETURN(status);
774
775 for (i=0;i<count;i++) {
776 if (!callback(search_private, &data[i])) break;
777 }
778
779 io->t2ffirst.out.handle = 0;
780 io->t2ffirst.out.count = i;
781 /* TODO: fix end_of_file */
782 io->t2ffirst.out.end_of_search = 1;
783
784 talloc_free(data);
785
786 return NT_STATUS_OK;
787}
788
789/* continue a search */
790static NTSTATUS cvfs_search_next(struct ntvfs_module_context *ntvfs,
791 struct ntvfs_request *req, union smb_search_next *io,
792 void *search_private,
793 bool (*callback)(void *, const union smb_search_data *))
794{
795 return NT_STATUS_NOT_IMPLEMENTED;
796}
797
798/* close a search */
799static NTSTATUS cvfs_search_close(struct ntvfs_module_context *ntvfs,
800 struct ntvfs_request *req, union smb_search_close *io)
801{
802 return NT_STATUS_NOT_IMPLEMENTED;
803}
804
805/* SMBtrans - not used on file shares */
806static NTSTATUS cvfs_trans(struct ntvfs_module_context *ntvfs,
807 struct ntvfs_request *req,
808 struct smb_trans2 *trans2)
809{
810 return NT_STATUS_ACCESS_DENIED;
811}
812
813/* change notify request - always async */
814static NTSTATUS cvfs_notify(struct ntvfs_module_context *ntvfs,
815 struct ntvfs_request *req,
816 union smb_notify *io)
817{
818 return NT_STATUS_NOT_IMPLEMENTED;
819}
820
821/*
822 initialise the CIFS->CIFS backend, registering ourselves with the ntvfs subsystem
823 */
824NTSTATUS ntvfs_smb2_init(void)
825{
826 NTSTATUS ret;
827 struct ntvfs_ops ops;
828 NTVFS_CURRENT_CRITICAL_SIZES(vers);
829
830 ZERO_STRUCT(ops);
831
832 /* fill in the name and type */
833 ops.name = "smb2";
834 ops.type = NTVFS_DISK;
835
836 /* fill in all the operations */
837 ops.connect = cvfs_connect;
838 ops.disconnect = cvfs_disconnect;
839 ops.unlink = cvfs_unlink;
840 ops.chkpath = cvfs_chkpath;
841 ops.qpathinfo = cvfs_qpathinfo;
842 ops.setpathinfo = cvfs_setpathinfo;
843 ops.open = cvfs_open;
844 ops.mkdir = cvfs_mkdir;
845 ops.rmdir = cvfs_rmdir;
846 ops.rename = cvfs_rename;
847 ops.copy = cvfs_copy;
848 ops.ioctl = cvfs_ioctl;
849 ops.read = cvfs_read;
850 ops.write = cvfs_write;
851 ops.seek = cvfs_seek;
852 ops.flush = cvfs_flush;
853 ops.close = cvfs_close;
854 ops.exit = cvfs_exit;
855 ops.lock = cvfs_lock;
856 ops.setfileinfo = cvfs_setfileinfo;
857 ops.qfileinfo = cvfs_qfileinfo;
858 ops.fsinfo = cvfs_fsinfo;
859 ops.lpq = cvfs_lpq;
860 ops.search_first = cvfs_search_first;
861 ops.search_next = cvfs_search_next;
862 ops.search_close = cvfs_search_close;
863 ops.trans = cvfs_trans;
864 ops.logoff = cvfs_logoff;
865 ops.async_setup = cvfs_async_setup;
866 ops.cancel = cvfs_cancel;
867 ops.notify = cvfs_notify;
868
869 /* register ourselves with the NTVFS subsystem. We register
870 under the name 'smb2'. */
871 ret = ntvfs_register(&ops, &vers);
872
873 if (!NT_STATUS_IS_OK(ret)) {
874 DEBUG(0,("Failed to register SMB2 backend\n"));
875 }
876
877 return ret;
878}
Note: See TracBrowser for help on using the repository browser.