2 Unix SMB/CIFS implementation.
4 CIFS-on-CIFS NTVFS filesystem backend
6 Copyright (C) Andrew Tridgell 2003
7 Copyright (C) James J Myers 2003 <myersjj@samba.org>
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 3 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, see <http://www.gnu.org/licenses/>.
23 this implements a CIFS->CIFS NTVFS filesystem backend.
28 #include "libcli/raw/libcliraw.h"
29 #include "libcli/smb_composite/smb_composite.h"
30 #include "auth/auth.h"
31 #include "auth/credentials/credentials.h"
32 #include "ntvfs/ntvfs.h"
33 #include "lib/util/dlinklist.h"
34 #include "param/param.h"
35 #include "libcli/resolve/resolve.h"
38 struct cvfs_file *prev, *next;
40 struct ntvfs_handle *h;
43 /* this is stored in ntvfs_private */
45 struct smbcli_tree *tree;
46 struct smbcli_transport *transport;
47 struct ntvfs_module_context *ntvfs;
48 struct async_info *pending;
49 struct cvfs_file *files;
55 /* a structure used to pass information to an async handler */
57 struct async_info *next, *prev;
58 struct cvfs_private *cvfs;
59 struct ntvfs_request *req;
60 struct smbcli_request *c_req;
65 #define SETUP_PID private->tree->session->pid = req->smbpid
67 #define SETUP_FILE do { \
68 struct cvfs_file *f; \
69 f = ntvfs_handle_get_backend_data(io->generic.in.file.ntvfs, ntvfs); \
70 if (!f) return NT_STATUS_INVALID_HANDLE; \
71 io->generic.in.file.fnum = f->fnum; \
74 #define SETUP_PID_AND_FILE do { \
79 #define CIFS_SERVER "cifs:server"
80 #define CIFS_USER "cifs:user"
81 #define CIFS_PASSWORD "cifs:password"
82 #define CIFS_DOMAIN "cifs:domain"
83 #define CIFS_SHARE "cifs:share"
84 #define CIFS_USE_MACHINE_ACCT "cifs:use-machine-account"
85 #define CIFS_MAP_GENERIC "cifs:map-generic"
86 #define CIFS_MAP_TRANS2 "cifs:map-trans2"
88 #define CIFS_USE_MACHINE_ACCT_DEFAULT false
89 #define CIFS_MAP_GENERIC_DEFAULT false
90 #define CIFS_MAP_TRANS2_DEFAULT true
93 a handler for oplock break events from the server - these need to be passed
96 static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private)
98 struct cvfs_private *private = p_private;
100 struct ntvfs_handle *h = NULL;
103 for (f=private->files; f; f=f->next) {
104 if (f->fnum != fnum) continue;
110 DEBUG(5,("vfs_cifs: ignoring oplock break level %d for fnum %d\n", level, fnum));
114 DEBUG(5,("vfs_cifs: sending oplock break level %d for fnum %d\n", level, fnum));
115 status = ntvfs_send_oplock_break(private->ntvfs, h, level);
116 if (!NT_STATUS_IS_OK(status)) return false;
121 connect to a share - used when a tree_connect operation comes in.
123 static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
124 struct ntvfs_request *req, const char *sharename)
127 struct cvfs_private *private;
128 const char *host, *user, *pass, *domain, *remote_share;
129 struct smb_composite_connect io;
130 struct composite_context *creq;
131 struct share_config *scfg = ntvfs->ctx->config;
133 struct cli_credentials *credentials;
134 bool machine_account;
136 /* Here we need to determine which server to connect to.
137 * For now we use parametric options, type cifs.
138 * Later we will use security=server and auth_server.c.
140 host = share_string_option(scfg, CIFS_SERVER, NULL);
141 user = share_string_option(scfg, CIFS_USER, NULL);
142 pass = share_string_option(scfg, CIFS_PASSWORD, NULL);
143 domain = share_string_option(scfg, CIFS_DOMAIN, NULL);
144 remote_share = share_string_option(scfg, CIFS_SHARE, NULL);
146 remote_share = sharename;
149 machine_account = share_bool_option(scfg, CIFS_USE_MACHINE_ACCT, CIFS_USE_MACHINE_ACCT_DEFAULT);
151 private = talloc_zero(ntvfs, struct cvfs_private);
153 return NT_STATUS_NO_MEMORY;
156 ntvfs->private_data = private;
159 DEBUG(1,("CIFS backend: You must supply server\n"));
160 return NT_STATUS_INVALID_PARAMETER;
164 DEBUG(5, ("CIFS backend: Using specified password\n"));
165 credentials = cli_credentials_init(private);
167 return NT_STATUS_NO_MEMORY;
169 cli_credentials_set_event_context(credentials, ntvfs->ctx->event_ctx);
170 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
171 cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
173 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
175 cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
176 } else if (machine_account) {
177 DEBUG(5, ("CIFS backend: Using machine account\n"));
178 credentials = cli_credentials_init(private);
179 cli_credentials_set_event_context(credentials, ntvfs->ctx->event_ctx);
180 cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
182 cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
184 status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
185 if (!NT_STATUS_IS_OK(status)) {
188 } else if (req->session_info->credentials) {
189 DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
190 credentials = req->session_info->credentials;
192 DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
193 return NT_STATUS_INVALID_PARAMETER;
196 /* connect to the server, using the smbd event context */
197 io.in.dest_host = host;
198 io.in.dest_ports = lp_smb_ports(ntvfs->ctx->lp_ctx);
199 io.in.called_name = host;
200 io.in.credentials = credentials;
201 io.in.fallback_to_anonymous = false;
202 io.in.workgroup = lp_workgroup(ntvfs->ctx->lp_ctx);
203 io.in.service = remote_share;
204 io.in.service_type = "?????";
205 io.in.max_xmit = lp_max_xmit(ntvfs->ctx->lp_ctx);
206 io.in.max_mux = lp_maxmux(ntvfs->ctx->lp_ctx);
207 io.in.ntstatus_support = lp_nt_status_support(ntvfs->ctx->lp_ctx);
208 io.in.max_protocol = lp_cli_maxprotocol(ntvfs->ctx->lp_ctx);
209 io.in.unicode = lp_unicode(ntvfs->ctx->lp_ctx);
210 io.in.use_spnego = lp_use_spnego(ntvfs->ctx->lp_ctx) && lp_nt_status_support(ntvfs->ctx->lp_ctx);
211 io.in.signing = lp_client_signing(ntvfs->ctx->lp_ctx);
213 creq = smb_composite_connect_send(&io, private,
214 lp_resolve_context(ntvfs->ctx->lp_ctx),
215 ntvfs->ctx->event_ctx);
216 status = smb_composite_connect_recv(creq, private);
217 NT_STATUS_NOT_OK_RETURN(status);
219 private->tree = io.out.tree;
221 private->transport = private->tree->session->transport;
223 private->ntvfs = ntvfs;
225 ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
226 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
227 ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
228 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
230 /* we need to receive oplock break requests from the server */
231 smbcli_oplock_handler(private->transport, oplock_handler, private);
233 private->map_generic = share_bool_option(scfg, CIFS_MAP_GENERIC, CIFS_MAP_GENERIC_DEFAULT);
235 private->map_trans2 = share_bool_option(scfg, CIFS_MAP_TRANS2, CIFS_MAP_TRANS2_DEFAULT);
241 disconnect from a share
243 static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs)
245 struct cvfs_private *private = ntvfs->private_data;
246 struct async_info *a, *an;
248 /* first cleanup pending requests */
249 for (a=private->pending; a; a = an) {
251 smbcli_request_destroy(a->c_req);
255 talloc_free(private);
256 ntvfs->private_data = NULL;
262 destroy an async info structure
264 static int async_info_destructor(struct async_info *async)
266 DLIST_REMOVE(async->cvfs->pending, async);
271 a handler for simple async replies
272 this handler can only be used for functions that don't return any
273 parameters (those that just return a status code)
275 static void async_simple(struct smbcli_request *c_req)
277 struct async_info *async = c_req->async.private;
278 struct ntvfs_request *req = async->req;
279 req->async_states->status = smbcli_request_simple_recv(c_req);
281 req->async_states->send_fn(req);
285 /* save some typing for the simple functions */
286 #define ASYNC_RECV_TAIL_F(io, async_fn, file) do { \
287 if (!c_req) return NT_STATUS_UNSUCCESSFUL; \
289 struct async_info *async; \
290 async = talloc(req, struct async_info); \
291 if (!async) return NT_STATUS_NO_MEMORY; \
295 async->cvfs = private; \
296 async->c_req = c_req; \
297 DLIST_ADD(private->pending, async); \
298 c_req->async.private = async; \
299 talloc_set_destructor(async, async_info_destructor); \
301 c_req->async.fn = async_fn; \
302 req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; \
303 return NT_STATUS_OK; \
306 #define ASYNC_RECV_TAIL(io, async_fn) ASYNC_RECV_TAIL_F(io, async_fn, NULL)
308 #define SIMPLE_ASYNC_TAIL ASYNC_RECV_TAIL(NULL, async_simple)
311 delete a file - the dirtype specifies the file types to include in the search.
312 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
314 static NTSTATUS cvfs_unlink(struct ntvfs_module_context *ntvfs,
315 struct ntvfs_request *req, union smb_unlink *unl)
317 struct cvfs_private *private = ntvfs->private_data;
318 struct smbcli_request *c_req;
322 /* see if the front end will allow us to perform this
323 function asynchronously. */
324 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
325 return smb_raw_unlink(private->tree, unl);
328 c_req = smb_raw_unlink_send(private->tree, unl);
334 a handler for async ioctl replies
336 static void async_ioctl(struct smbcli_request *c_req)
338 struct async_info *async = c_req->async.private;
339 struct ntvfs_request *req = async->req;
340 req->async_states->status = smb_raw_ioctl_recv(c_req, req, async->parms);
342 req->async_states->send_fn(req);
348 static NTSTATUS cvfs_ioctl(struct ntvfs_module_context *ntvfs,
349 struct ntvfs_request *req, union smb_ioctl *io)
351 struct cvfs_private *private = ntvfs->private_data;
352 struct smbcli_request *c_req;
356 /* see if the front end will allow us to perform this
357 function asynchronously. */
358 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
359 return smb_raw_ioctl(private->tree, req, io);
362 c_req = smb_raw_ioctl_send(private->tree, io);
364 ASYNC_RECV_TAIL(io, async_ioctl);
368 check if a directory exists
370 static NTSTATUS cvfs_chkpath(struct ntvfs_module_context *ntvfs,
371 struct ntvfs_request *req, union smb_chkpath *cp)
373 struct cvfs_private *private = ntvfs->private_data;
374 struct smbcli_request *c_req;
378 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
379 return smb_raw_chkpath(private->tree, cp);
382 c_req = smb_raw_chkpath_send(private->tree, cp);
388 a handler for async qpathinfo replies
390 static void async_qpathinfo(struct smbcli_request *c_req)
392 struct async_info *async = c_req->async.private;
393 struct ntvfs_request *req = async->req;
394 req->async_states->status = smb_raw_pathinfo_recv(c_req, req, async->parms);
396 req->async_states->send_fn(req);
400 return info on a pathname
402 static NTSTATUS cvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
403 struct ntvfs_request *req, union smb_fileinfo *info)
405 struct cvfs_private *private = ntvfs->private_data;
406 struct smbcli_request *c_req;
410 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
411 return smb_raw_pathinfo(private->tree, req, info);
414 c_req = smb_raw_pathinfo_send(private->tree, info);
416 ASYNC_RECV_TAIL(info, async_qpathinfo);
420 a handler for async qfileinfo replies
422 static void async_qfileinfo(struct smbcli_request *c_req)
424 struct async_info *async = c_req->async.private;
425 struct ntvfs_request *req = async->req;
426 req->async_states->status = smb_raw_fileinfo_recv(c_req, req, async->parms);
428 req->async_states->send_fn(req);
432 query info on a open file
434 static NTSTATUS cvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
435 struct ntvfs_request *req, union smb_fileinfo *io)
437 struct cvfs_private *private = ntvfs->private_data;
438 struct smbcli_request *c_req;
442 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
443 return smb_raw_fileinfo(private->tree, req, io);
446 c_req = smb_raw_fileinfo_send(private->tree, io);
448 ASYNC_RECV_TAIL(io, async_qfileinfo);
453 set info on a pathname
455 static NTSTATUS cvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
456 struct ntvfs_request *req, union smb_setfileinfo *st)
458 struct cvfs_private *private = ntvfs->private_data;
459 struct smbcli_request *c_req;
463 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
464 return smb_raw_setpathinfo(private->tree, st);
467 c_req = smb_raw_setpathinfo_send(private->tree, st);
474 a handler for async open replies
476 static void async_open(struct smbcli_request *c_req)
478 struct async_info *async = c_req->async.private;
479 struct cvfs_private *cvfs = async->cvfs;
480 struct ntvfs_request *req = async->req;
481 struct cvfs_file *f = async->f;
482 union smb_open *io = async->parms;
483 union smb_handle *file;
485 req->async_states->status = smb_raw_open_recv(c_req, req, io);
486 SMB_OPEN_OUT_FILE(io, file);
487 f->fnum = file->fnum;
489 if (!NT_STATUS_IS_OK(req->async_states->status)) goto failed;
490 req->async_states->status = ntvfs_handle_set_backend_data(f->h, cvfs->ntvfs, f);
491 if (!NT_STATUS_IS_OK(req->async_states->status)) goto failed;
494 req->async_states->send_fn(req);
500 static NTSTATUS cvfs_open(struct ntvfs_module_context *ntvfs,
501 struct ntvfs_request *req, union smb_open *io)
503 struct cvfs_private *private = ntvfs->private_data;
504 struct smbcli_request *c_req;
505 struct ntvfs_handle *h;
511 if (io->generic.level != RAW_OPEN_GENERIC &&
512 private->map_generic) {
513 return ntvfs_map_open(ntvfs, req, io);
516 status = ntvfs_handle_new(ntvfs, req, &h);
517 NT_STATUS_NOT_OK_RETURN(status);
519 f = talloc_zero(h, struct cvfs_file);
520 NT_STATUS_HAVE_NO_MEMORY(f);
523 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
524 union smb_handle *file;
526 status = smb_raw_open(private->tree, req, io);
527 NT_STATUS_NOT_OK_RETURN(status);
529 SMB_OPEN_OUT_FILE(io, file);
530 f->fnum = file->fnum;
532 status = ntvfs_handle_set_backend_data(f->h, private->ntvfs, f);
533 NT_STATUS_NOT_OK_RETURN(status);
539 c_req = smb_raw_open_send(private->tree, io);
541 ASYNC_RECV_TAIL_F(io, async_open, f);
547 static NTSTATUS cvfs_mkdir(struct ntvfs_module_context *ntvfs,
548 struct ntvfs_request *req, union smb_mkdir *md)
550 struct cvfs_private *private = ntvfs->private_data;
551 struct smbcli_request *c_req;
555 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
556 return smb_raw_mkdir(private->tree, md);
559 c_req = smb_raw_mkdir_send(private->tree, md);
567 static NTSTATUS cvfs_rmdir(struct ntvfs_module_context *ntvfs,
568 struct ntvfs_request *req, struct smb_rmdir *rd)
570 struct cvfs_private *private = ntvfs->private_data;
571 struct smbcli_request *c_req;
575 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
576 return smb_raw_rmdir(private->tree, rd);
578 c_req = smb_raw_rmdir_send(private->tree, rd);
584 rename a set of files
586 static NTSTATUS cvfs_rename(struct ntvfs_module_context *ntvfs,
587 struct ntvfs_request *req, union smb_rename *ren)
589 struct cvfs_private *private = ntvfs->private_data;
590 struct smbcli_request *c_req;
594 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
595 return smb_raw_rename(private->tree, ren);
598 c_req = smb_raw_rename_send(private->tree, ren);
606 static NTSTATUS cvfs_copy(struct ntvfs_module_context *ntvfs,
607 struct ntvfs_request *req, struct smb_copy *cp)
609 return NT_STATUS_NOT_SUPPORTED;
613 a handler for async read replies
615 static void async_read(struct smbcli_request *c_req)
617 struct async_info *async = c_req->async.private;
618 struct ntvfs_request *req = async->req;
619 req->async_states->status = smb_raw_read_recv(c_req, async->parms);
621 req->async_states->send_fn(req);
627 static NTSTATUS cvfs_read(struct ntvfs_module_context *ntvfs,
628 struct ntvfs_request *req, union smb_read *io)
630 struct cvfs_private *private = ntvfs->private_data;
631 struct smbcli_request *c_req;
635 if (io->generic.level != RAW_READ_GENERIC &&
636 private->map_generic) {
637 return ntvfs_map_read(ntvfs, req, io);
642 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
643 return smb_raw_read(private->tree, io);
646 c_req = smb_raw_read_send(private->tree, io);
648 ASYNC_RECV_TAIL(io, async_read);
652 a handler for async write replies
654 static void async_write(struct smbcli_request *c_req)
656 struct async_info *async = c_req->async.private;
657 struct ntvfs_request *req = async->req;
658 req->async_states->status = smb_raw_write_recv(c_req, async->parms);
660 req->async_states->send_fn(req);
666 static NTSTATUS cvfs_write(struct ntvfs_module_context *ntvfs,
667 struct ntvfs_request *req, union smb_write *io)
669 struct cvfs_private *private = ntvfs->private_data;
670 struct smbcli_request *c_req;
674 if (io->generic.level != RAW_WRITE_GENERIC &&
675 private->map_generic) {
676 return ntvfs_map_write(ntvfs, req, io);
680 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
681 return smb_raw_write(private->tree, io);
684 c_req = smb_raw_write_send(private->tree, io);
686 ASYNC_RECV_TAIL(io, async_write);
690 a handler for async seek replies
692 static void async_seek(struct smbcli_request *c_req)
694 struct async_info *async = c_req->async.private;
695 struct ntvfs_request *req = async->req;
696 req->async_states->status = smb_raw_seek_recv(c_req, async->parms);
698 req->async_states->send_fn(req);
704 static NTSTATUS cvfs_seek(struct ntvfs_module_context *ntvfs,
705 struct ntvfs_request *req,
708 struct cvfs_private *private = ntvfs->private_data;
709 struct smbcli_request *c_req;
713 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
714 return smb_raw_seek(private->tree, io);
717 c_req = smb_raw_seek_send(private->tree, io);
719 ASYNC_RECV_TAIL(io, async_seek);
725 static NTSTATUS cvfs_flush(struct ntvfs_module_context *ntvfs,
726 struct ntvfs_request *req,
729 struct cvfs_private *private = ntvfs->private_data;
730 struct smbcli_request *c_req;
733 switch (io->generic.level) {
734 case RAW_FLUSH_FLUSH:
738 io->generic.in.file.fnum = 0xFFFF;
741 return NT_STATUS_INVALID_LEVEL;
744 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
745 return smb_raw_flush(private->tree, io);
748 c_req = smb_raw_flush_send(private->tree, io);
756 static NTSTATUS cvfs_close(struct ntvfs_module_context *ntvfs,
757 struct ntvfs_request *req, union smb_close *io)
759 struct cvfs_private *private = ntvfs->private_data;
760 struct smbcli_request *c_req;
764 if (io->generic.level != RAW_CLOSE_GENERIC &&
765 private->map_generic) {
766 return ntvfs_map_close(ntvfs, req, io);
770 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
771 return smb_raw_close(private->tree, io);
774 c_req = smb_raw_close_send(private->tree, io);
780 exit - closing files open by the pid
782 static NTSTATUS cvfs_exit(struct ntvfs_module_context *ntvfs,
783 struct ntvfs_request *req)
785 struct cvfs_private *private = ntvfs->private_data;
786 struct smbcli_request *c_req;
790 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
791 return smb_raw_exit(private->tree->session);
794 c_req = smb_raw_exit_send(private->tree->session);
800 logoff - closing files open by the user
802 static NTSTATUS cvfs_logoff(struct ntvfs_module_context *ntvfs,
803 struct ntvfs_request *req)
805 /* we can't do this right in the cifs backend .... */
810 setup for an async call - nothing to do yet
812 static NTSTATUS cvfs_async_setup(struct ntvfs_module_context *ntvfs,
813 struct ntvfs_request *req,
822 static NTSTATUS cvfs_cancel(struct ntvfs_module_context *ntvfs,
823 struct ntvfs_request *req)
825 struct cvfs_private *private = ntvfs->private_data;
826 struct async_info *a;
828 /* find the matching request */
829 for (a=private->pending;a;a=a->next) {
836 return NT_STATUS_INVALID_PARAMETER;
839 return smb_raw_ntcancel(a->c_req);
845 static NTSTATUS cvfs_lock(struct ntvfs_module_context *ntvfs,
846 struct ntvfs_request *req, union smb_lock *io)
848 struct cvfs_private *private = ntvfs->private_data;
849 struct smbcli_request *c_req;
853 if (io->generic.level != RAW_LOCK_GENERIC &&
854 private->map_generic) {
855 return ntvfs_map_lock(ntvfs, req, io);
859 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
860 return smb_raw_lock(private->tree, io);
863 c_req = smb_raw_lock_send(private->tree, io);
868 set info on a open file
870 static NTSTATUS cvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
871 struct ntvfs_request *req,
872 union smb_setfileinfo *io)
874 struct cvfs_private *private = ntvfs->private_data;
875 struct smbcli_request *c_req;
879 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
880 return smb_raw_setfileinfo(private->tree, io);
882 c_req = smb_raw_setfileinfo_send(private->tree, io);
889 a handler for async fsinfo replies
891 static void async_fsinfo(struct smbcli_request *c_req)
893 struct async_info *async = c_req->async.private;
894 struct ntvfs_request *req = async->req;
895 req->async_states->status = smb_raw_fsinfo_recv(c_req, req, async->parms);
897 req->async_states->send_fn(req);
901 return filesystem space info
903 static NTSTATUS cvfs_fsinfo(struct ntvfs_module_context *ntvfs,
904 struct ntvfs_request *req, union smb_fsinfo *fs)
906 struct cvfs_private *private = ntvfs->private_data;
907 struct smbcli_request *c_req;
911 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
912 return smb_raw_fsinfo(private->tree, req, fs);
915 c_req = smb_raw_fsinfo_send(private->tree, req, fs);
917 ASYNC_RECV_TAIL(fs, async_fsinfo);
921 return print queue info
923 static NTSTATUS cvfs_lpq(struct ntvfs_module_context *ntvfs,
924 struct ntvfs_request *req, union smb_lpq *lpq)
926 return NT_STATUS_NOT_SUPPORTED;
930 list files in a directory matching a wildcard pattern
932 static NTSTATUS cvfs_search_first(struct ntvfs_module_context *ntvfs,
933 struct ntvfs_request *req, union smb_search_first *io,
934 void *search_private,
935 bool (*callback)(void *, const union smb_search_data *))
937 struct cvfs_private *private = ntvfs->private_data;
941 return smb_raw_search_first(private->tree, req, io, search_private, callback);
944 /* continue a search */
945 static NTSTATUS cvfs_search_next(struct ntvfs_module_context *ntvfs,
946 struct ntvfs_request *req, union smb_search_next *io,
947 void *search_private,
948 bool (*callback)(void *, const union smb_search_data *))
950 struct cvfs_private *private = ntvfs->private_data;
954 return smb_raw_search_next(private->tree, req, io, search_private, callback);
958 static NTSTATUS cvfs_search_close(struct ntvfs_module_context *ntvfs,
959 struct ntvfs_request *req, union smb_search_close *io)
961 struct cvfs_private *private = ntvfs->private_data;
965 return smb_raw_search_close(private->tree, io);
969 a handler for async trans2 replies
971 static void async_trans2(struct smbcli_request *c_req)
973 struct async_info *async = c_req->async.private;
974 struct ntvfs_request *req = async->req;
975 req->async_states->status = smb_raw_trans2_recv(c_req, req, async->parms);
977 req->async_states->send_fn(req);
981 static NTSTATUS cvfs_trans2(struct ntvfs_module_context *ntvfs,
982 struct ntvfs_request *req,
983 struct smb_trans2 *trans2)
985 struct cvfs_private *private = ntvfs->private_data;
986 struct smbcli_request *c_req;
988 if (private->map_trans2) {
989 return NT_STATUS_NOT_IMPLEMENTED;
994 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
995 return smb_raw_trans2(private->tree, req, trans2);
998 c_req = smb_raw_trans2_send(private->tree, trans2);
1000 ASYNC_RECV_TAIL(trans2, async_trans2);
1004 /* SMBtrans - not used on file shares */
1005 static NTSTATUS cvfs_trans(struct ntvfs_module_context *ntvfs,
1006 struct ntvfs_request *req,
1007 struct smb_trans2 *trans2)
1009 return NT_STATUS_ACCESS_DENIED;
1013 a handler for async change notify replies
1015 static void async_changenotify(struct smbcli_request *c_req)
1017 struct async_info *async = c_req->async.private;
1018 struct ntvfs_request *req = async->req;
1019 req->async_states->status = smb_raw_changenotify_recv(c_req, req, async->parms);
1021 req->async_states->send_fn(req);
1024 /* change notify request - always async */
1025 static NTSTATUS cvfs_notify(struct ntvfs_module_context *ntvfs,
1026 struct ntvfs_request *req,
1027 union smb_notify *io)
1029 struct cvfs_private *private = ntvfs->private_data;
1030 struct smbcli_request *c_req;
1031 int saved_timeout = private->transport->options.request_timeout;
1032 struct cvfs_file *f;
1034 if (io->nttrans.level != RAW_NOTIFY_NTTRANS) {
1035 return NT_STATUS_NOT_IMPLEMENTED;
1040 f = ntvfs_handle_get_backend_data(io->nttrans.in.file.ntvfs, ntvfs);
1041 if (!f) return NT_STATUS_INVALID_HANDLE;
1042 io->nttrans.in.file.fnum = f->fnum;
1044 /* this request doesn't make sense unless its async */
1045 if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
1046 return NT_STATUS_INVALID_PARAMETER;
1049 /* we must not timeout on notify requests - they wait
1051 private->transport->options.request_timeout = 0;
1053 c_req = smb_raw_changenotify_send(private->tree, io);
1055 private->transport->options.request_timeout = saved_timeout;
1057 ASYNC_RECV_TAIL(io, async_changenotify);
1061 initialise the CIFS->CIFS backend, registering ourselves with the ntvfs subsystem
1063 NTSTATUS ntvfs_cifs_init(void)
1066 struct ntvfs_ops ops;
1067 NTVFS_CURRENT_CRITICAL_SIZES(vers);
1071 /* fill in the name and type */
1073 ops.type = NTVFS_DISK;
1075 /* fill in all the operations */
1076 ops.connect = cvfs_connect;
1077 ops.disconnect = cvfs_disconnect;
1078 ops.unlink = cvfs_unlink;
1079 ops.chkpath = cvfs_chkpath;
1080 ops.qpathinfo = cvfs_qpathinfo;
1081 ops.setpathinfo = cvfs_setpathinfo;
1082 ops.open = cvfs_open;
1083 ops.mkdir = cvfs_mkdir;
1084 ops.rmdir = cvfs_rmdir;
1085 ops.rename = cvfs_rename;
1086 ops.copy = cvfs_copy;
1087 ops.ioctl = cvfs_ioctl;
1088 ops.read = cvfs_read;
1089 ops.write = cvfs_write;
1090 ops.seek = cvfs_seek;
1091 ops.flush = cvfs_flush;
1092 ops.close = cvfs_close;
1093 ops.exit = cvfs_exit;
1094 ops.lock = cvfs_lock;
1095 ops.setfileinfo = cvfs_setfileinfo;
1096 ops.qfileinfo = cvfs_qfileinfo;
1097 ops.fsinfo = cvfs_fsinfo;
1099 ops.search_first = cvfs_search_first;
1100 ops.search_next = cvfs_search_next;
1101 ops.search_close = cvfs_search_close;
1102 ops.trans = cvfs_trans;
1103 ops.logoff = cvfs_logoff;
1104 ops.async_setup = cvfs_async_setup;
1105 ops.cancel = cvfs_cancel;
1106 ops.notify = cvfs_notify;
1107 ops.trans2 = cvfs_trans2;
1109 /* register ourselves with the NTVFS subsystem. We register
1110 under the name 'cifs'. */
1111 ret = ntvfs_register(&ops, &vers);
1113 if (!NT_STATUS_IS_OK(ret)) {
1114 DEBUG(0,("Failed to register CIFS backend!\n"));