2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan (metze) Metzmacher 2003
5 Copyright (C) Jeremy Allison 2007
6 Copyright (C) Andrew Bartlett 2011
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/>.
23 #include "libsmb/libsmb.h"
24 #include "../lib/util/tevent_ntstatus.h"
25 #include "async_smb.h"
27 #include "auth_generic.h"
28 #include "auth/gensec/gensec.h"
29 #include "../libcli/smb/smbXcli_base.h"
30 #include "auth/credentials/credentials.h"
31 #include "../librpc/gen_ndr/ndr_security.h"
33 /****************************************************************************
34 Get UNIX extensions version info.
35 ****************************************************************************/
37 struct cli_unix_extensions_version_state
{
38 struct cli_state
*cli
;
41 uint16_t major
, minor
;
42 uint32_t caplow
, caphigh
;
45 static void cli_unix_extensions_version_done(struct tevent_req
*subreq
);
47 struct tevent_req
*cli_unix_extensions_version_send(TALLOC_CTX
*mem_ctx
,
48 struct tevent_context
*ev
,
49 struct cli_state
*cli
)
51 struct tevent_req
*req
, *subreq
;
52 struct cli_unix_extensions_version_state
*state
;
54 req
= tevent_req_create(mem_ctx
, &state
,
55 struct cli_unix_extensions_version_state
);
60 SSVAL(state
->setup
, 0, TRANSACT2_QFSINFO
);
61 SSVAL(state
->param
, 0, SMB_QUERY_CIFS_UNIX_INFO
);
63 subreq
= cli_trans_send(state
, ev
, cli
, 0, SMBtrans2
,
68 if (tevent_req_nomem(subreq
, req
)) {
69 return tevent_req_post(req
, ev
);
71 tevent_req_set_callback(subreq
, cli_unix_extensions_version_done
, req
);
75 static void cli_unix_extensions_version_done(struct tevent_req
*subreq
)
77 struct tevent_req
*req
= tevent_req_callback_data(
78 subreq
, struct tevent_req
);
79 struct cli_unix_extensions_version_state
*state
= tevent_req_data(
80 req
, struct cli_unix_extensions_version_state
);
85 status
= cli_trans_recv(subreq
, state
, NULL
, NULL
, 0, NULL
,
86 NULL
, 0, NULL
, &data
, 12, &num_data
);
88 if (!NT_STATUS_IS_OK(status
)) {
89 tevent_req_nterror(req
, status
);
93 state
->major
= SVAL(data
, 0);
94 state
->minor
= SVAL(data
, 2);
95 state
->caplow
= IVAL(data
, 4);
96 state
->caphigh
= IVAL(data
, 8);
101 NTSTATUS
cli_unix_extensions_version_recv(struct tevent_req
*req
,
102 uint16_t *pmajor
, uint16_t *pminor
,
106 struct cli_unix_extensions_version_state
*state
= tevent_req_data(
107 req
, struct cli_unix_extensions_version_state
);
110 if (tevent_req_is_nterror(req
, &status
)) {
113 *pmajor
= state
->major
;
114 *pminor
= state
->minor
;
115 *pcaplow
= state
->caplow
;
116 *pcaphigh
= state
->caphigh
;
117 state
->cli
->server_posix_capabilities
= *pcaplow
;
121 NTSTATUS
cli_unix_extensions_version(struct cli_state
*cli
, uint16_t *pmajor
,
122 uint16_t *pminor
, uint32_t *pcaplow
,
125 TALLOC_CTX
*frame
= talloc_stackframe();
126 struct tevent_context
*ev
;
127 struct tevent_req
*req
;
128 NTSTATUS status
= NT_STATUS_OK
;
130 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
132 * Can't use sync call while an async call is in flight
134 status
= NT_STATUS_INVALID_PARAMETER
;
138 ev
= samba_tevent_context_init(frame
);
140 status
= NT_STATUS_NO_MEMORY
;
144 req
= cli_unix_extensions_version_send(frame
, ev
, cli
);
146 status
= NT_STATUS_NO_MEMORY
;
150 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
154 status
= cli_unix_extensions_version_recv(req
, pmajor
, pminor
, pcaplow
,
161 /****************************************************************************
162 Set UNIX extensions capabilities.
163 ****************************************************************************/
165 struct cli_set_unix_extensions_capabilities_state
{
166 struct cli_state
*cli
;
172 static void cli_set_unix_extensions_capabilities_done(
173 struct tevent_req
*subreq
);
175 struct tevent_req
*cli_set_unix_extensions_capabilities_send(
176 TALLOC_CTX
*mem_ctx
, struct tevent_context
*ev
, struct cli_state
*cli
,
177 uint16_t major
, uint16_t minor
, uint32_t caplow
, uint32_t caphigh
)
179 struct tevent_req
*req
, *subreq
;
180 struct cli_set_unix_extensions_capabilities_state
*state
;
182 req
= tevent_req_create(
184 struct cli_set_unix_extensions_capabilities_state
);
190 SSVAL(state
->setup
+0, 0, TRANSACT2_SETFSINFO
);
192 SSVAL(state
->param
, 0, 0);
193 SSVAL(state
->param
, 2, SMB_SET_CIFS_UNIX_INFO
);
195 SSVAL(state
->data
, 0, major
);
196 SSVAL(state
->data
, 2, minor
);
197 SIVAL(state
->data
, 4, caplow
);
198 SIVAL(state
->data
, 8, caphigh
);
200 subreq
= cli_trans_send(state
, ev
, cli
, 0, SMBtrans2
,
204 state
->data
, 12, 560);
205 if (tevent_req_nomem(subreq
, req
)) {
206 return tevent_req_post(req
, ev
);
208 tevent_req_set_callback(
209 subreq
, cli_set_unix_extensions_capabilities_done
, req
);
213 static void cli_set_unix_extensions_capabilities_done(
214 struct tevent_req
*subreq
)
216 struct tevent_req
*req
= tevent_req_callback_data(
217 subreq
, struct tevent_req
);
218 struct cli_set_unix_extensions_capabilities_state
*state
= tevent_req_data(
219 req
, struct cli_set_unix_extensions_capabilities_state
);
221 NTSTATUS status
= cli_trans_recv(subreq
, NULL
, NULL
, NULL
, 0, NULL
,
222 NULL
, 0, NULL
, NULL
, 0, NULL
);
223 if (NT_STATUS_IS_OK(status
)) {
224 state
->cli
->requested_posix_capabilities
= IVAL(state
->data
, 4);
226 tevent_req_simple_finish_ntstatus(subreq
, status
);
229 NTSTATUS
cli_set_unix_extensions_capabilities_recv(struct tevent_req
*req
)
231 return tevent_req_simple_recv_ntstatus(req
);
234 NTSTATUS
cli_set_unix_extensions_capabilities(struct cli_state
*cli
,
235 uint16_t major
, uint16_t minor
,
236 uint32_t caplow
, uint32_t caphigh
)
238 struct tevent_context
*ev
;
239 struct tevent_req
*req
;
240 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
242 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
243 return NT_STATUS_INVALID_PARAMETER
;
245 ev
= samba_tevent_context_init(talloc_tos());
249 req
= cli_set_unix_extensions_capabilities_send(
250 ev
, ev
, cli
, major
, minor
, caplow
, caphigh
);
254 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
257 status
= cli_set_unix_extensions_capabilities_recv(req
);
263 struct cli_get_fs_attr_info_state
{
269 static void cli_get_fs_attr_info_done(struct tevent_req
*subreq
);
271 struct tevent_req
*cli_get_fs_attr_info_send(TALLOC_CTX
*mem_ctx
,
272 struct tevent_context
*ev
,
273 struct cli_state
*cli
)
275 struct tevent_req
*subreq
, *req
;
276 struct cli_get_fs_attr_info_state
*state
;
278 req
= tevent_req_create(mem_ctx
, &state
,
279 struct cli_get_fs_attr_info_state
);
283 SSVAL(state
->setup
+0, 0, TRANSACT2_QFSINFO
);
284 SSVAL(state
->param
+0, 0, SMB_QUERY_FS_ATTRIBUTE_INFO
);
286 subreq
= cli_trans_send(state
, ev
, cli
, 0, SMBtrans2
,
291 if (tevent_req_nomem(subreq
, req
)) {
292 return tevent_req_post(req
, ev
);
294 tevent_req_set_callback(subreq
, cli_get_fs_attr_info_done
, req
);
298 static void cli_get_fs_attr_info_done(struct tevent_req
*subreq
)
300 struct tevent_req
*req
= tevent_req_callback_data(
301 subreq
, struct tevent_req
);
302 struct cli_get_fs_attr_info_state
*state
= tevent_req_data(
303 req
, struct cli_get_fs_attr_info_state
);
308 status
= cli_trans_recv(subreq
, talloc_tos(), NULL
, NULL
, 0, NULL
,
309 NULL
, 0, NULL
, &data
, 12, &num_data
);
311 if (!NT_STATUS_IS_OK(status
)) {
312 tevent_req_nterror(req
, status
);
315 state
->fs_attr
= IVAL(data
, 0);
317 tevent_req_done(req
);
320 NTSTATUS
cli_get_fs_attr_info_recv(struct tevent_req
*req
, uint32_t *fs_attr
)
322 struct cli_get_fs_attr_info_state
*state
= tevent_req_data(
323 req
, struct cli_get_fs_attr_info_state
);
326 if (tevent_req_is_nterror(req
, &status
)) {
329 *fs_attr
= state
->fs_attr
;
333 NTSTATUS
cli_get_fs_attr_info(struct cli_state
*cli
, uint32_t *fs_attr
)
335 struct tevent_context
*ev
;
336 struct tevent_req
*req
;
337 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
339 if (smbXcli_conn_protocol(cli
->conn
) >= PROTOCOL_SMB2_02
) {
340 return cli_smb2_get_fs_attr_info(cli
, fs_attr
);
343 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
344 return NT_STATUS_INVALID_PARAMETER
;
346 ev
= samba_tevent_context_init(talloc_tos());
350 req
= cli_get_fs_attr_info_send(ev
, ev
, cli
);
354 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
357 status
= cli_get_fs_attr_info_recv(req
, fs_attr
);
363 NTSTATUS
cli_get_fs_volume_info(struct cli_state
*cli
,
366 uint32_t *pserial_number
,
370 uint16_t recv_flags2
;
374 uint32_t rdata_count
;
376 char *volume_name
= NULL
;
378 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
379 SSVAL(param
,0,SMB_QUERY_FS_VOLUME_INFO
);
381 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
389 &rdata
, 18, &rdata_count
);
390 if (!NT_STATUS_IS_OK(status
)) {
396 ts
= interpret_long_date((char *)rdata
);
399 if (pserial_number
) {
400 *pserial_number
= IVAL(rdata
,8);
402 nlen
= IVAL(rdata
,12);
403 if (nlen
> (rdata_count
- 18)) {
405 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
408 clistr_pull_talloc(mem_ctx
,
414 if (volume_name
== NULL
) {
415 status
= map_nt_error_from_unix(errno
);
420 /* todo: but not yet needed
421 * return the other stuff
424 *_volume_name
= volume_name
;
429 NTSTATUS
cli_get_fs_full_size_info(struct cli_state
*cli
,
430 uint64_t *total_allocation_units
,
431 uint64_t *caller_allocation_units
,
432 uint64_t *actual_allocation_units
,
433 uint64_t *sectors_per_allocation_unit
,
434 uint64_t *bytes_per_sector
)
438 uint8_t *rdata
= NULL
;
439 uint32_t rdata_count
;
442 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
443 SSVAL(param
, 0, SMB_FS_FULL_SIZE_INFORMATION
);
445 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
447 setup
, 1, 0, /* setup */
448 param
, 2, 0, /* param */
449 NULL
, 0, 560, /* data */
451 NULL
, 0, NULL
, /* rsetup */
452 NULL
, 0, NULL
, /* rparam */
453 &rdata
, 32, &rdata_count
); /* rdata */
454 if (!NT_STATUS_IS_OK(status
)) {
458 if (total_allocation_units
) {
459 *total_allocation_units
= BIG_UINT(rdata
, 0);
461 if (caller_allocation_units
) {
462 *caller_allocation_units
= BIG_UINT(rdata
,8);
464 if (actual_allocation_units
) {
465 *actual_allocation_units
= BIG_UINT(rdata
,16);
467 if (sectors_per_allocation_unit
) {
468 *sectors_per_allocation_unit
= IVAL(rdata
,24);
470 if (bytes_per_sector
) {
471 *bytes_per_sector
= IVAL(rdata
,28);
479 NTSTATUS
cli_get_posix_fs_info(struct cli_state
*cli
,
480 uint32_t *optimal_transfer_size
,
481 uint32_t *block_size
,
482 uint64_t *total_blocks
,
483 uint64_t *blocks_available
,
484 uint64_t *user_blocks_available
,
485 uint64_t *total_file_nodes
,
486 uint64_t *free_file_nodes
,
487 uint64_t *fs_identifier
)
491 uint8_t *rdata
= NULL
;
492 uint32_t rdata_count
;
495 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
496 SSVAL(param
,0,SMB_QUERY_POSIX_FS_INFO
);
498 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
, NULL
, 0, 0, 0,
503 NULL
, 0, NULL
, /* rsetup */
504 NULL
, 0, NULL
, /* rparam */
505 &rdata
, 56, &rdata_count
);
506 if (!NT_STATUS_IS_OK(status
)) {
510 if (optimal_transfer_size
) {
511 *optimal_transfer_size
= IVAL(rdata
, 0);
514 *block_size
= IVAL(rdata
,4);
517 *total_blocks
= BIG_UINT(rdata
,8);
519 if (blocks_available
) {
520 *blocks_available
= BIG_UINT(rdata
,16);
522 if (user_blocks_available
) {
523 *user_blocks_available
= BIG_UINT(rdata
,24);
525 if (total_file_nodes
) {
526 *total_file_nodes
= BIG_UINT(rdata
,32);
528 if (free_file_nodes
) {
529 *free_file_nodes
= BIG_UINT(rdata
,40);
532 *fs_identifier
= BIG_UINT(rdata
,48);
537 /****************************************************************************
538 Do a UNIX extensions SMB_QUERY_POSIX_WHOAMI call.
539 ****************************************************************************/
541 struct posix_whoami_state
{
551 struct dom_sid
*sids
;
554 static void cli_posix_whoami_done(struct tevent_req
*subreq
);
556 struct tevent_req
*cli_posix_whoami_send(TALLOC_CTX
*mem_ctx
,
557 struct tevent_context
*ev
,
558 struct cli_state
*cli
)
560 struct tevent_req
*req
= NULL
, *subreq
= NULL
;
561 struct posix_whoami_state
*state
= NULL
;
563 req
= tevent_req_create(mem_ctx
, &state
, struct posix_whoami_state
);
568 /* Setup setup word. */
569 SSVAL(state
->setup
, 0, TRANSACT2_QFSINFO
);
570 SSVAL(state
->param
, 0, SMB_QUERY_POSIX_WHOAMI
);
572 state
->max_rdata
= 62*1024;
574 subreq
= cli_trans_send(state
, /* mem ctx. */
576 cli
, /* cli_state. */
577 0, /* additional_flags2 */
578 SMBtrans2
, /* cmd. */
579 NULL
, /* pipe name. */
583 state
->setup
, /* setup. */
584 1, /* num setup uint16_t words. */
585 0, /* max returned setup. */
586 state
->param
, /* param. */
588 0, /* max returned param. */
591 state
->max_rdata
); /* max returned data. */
593 if (tevent_req_nomem(subreq
, req
)) {
594 return tevent_req_post(req
, ev
);
596 tevent_req_set_callback(subreq
, cli_posix_whoami_done
, req
);
600 static void cli_posix_whoami_done(struct tevent_req
*subreq
)
602 struct tevent_req
*req
= tevent_req_callback_data(
603 subreq
, struct tevent_req
);
604 struct posix_whoami_state
*state
= tevent_req_data(
605 req
, struct posix_whoami_state
);
606 uint8_t *rdata
= NULL
;
608 uint32_t num_rdata
= 0;
612 status
= cli_trans_recv(subreq
,
625 if (tevent_req_nterror(req
, status
)) {
630 * Not strictly needed - cli_trans_recv()
631 * will ensure at least 40 bytes here. Added
632 * as more of a reminder to be careful when
633 * parsing network packets in C.
636 if (num_rdata
< 40 || rdata
+ num_rdata
< rdata
) {
637 tevent_req_nterror(req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
641 state
->guest
= (IVAL(rdata
, 0) & SMB_WHOAMI_GUEST
);
642 state
->uid
= BVAL(rdata
, 8);
643 state
->gid
= BVAL(rdata
, 16);
644 state
->num_gids
= IVAL(rdata
, 24);
645 state
->num_sids
= IVAL(rdata
, 28);
647 state
->gids
= talloc_array(state
, uint64_t, state
->num_gids
);
648 if (tevent_req_nomem(state
->gids
, req
)) {
651 state
->sids
= talloc_array(state
, struct dom_sid
, state
->num_sids
);
652 if (tevent_req_nomem(state
->sids
, req
)) {
658 for (i
= 0; i
< state
->num_gids
; i
++) {
659 if (p
+ 8 > rdata
+ num_rdata
) {
660 tevent_req_nterror(req
,
661 NT_STATUS_INVALID_NETWORK_RESPONSE
);
664 state
->gids
[i
] = BVAL(p
, 0);
668 num_rdata
-= (p
- rdata
);
670 for (i
= 0; i
< state
->num_sids
; i
++) {
672 DATA_BLOB in
= data_blob_const(p
, num_rdata
);
673 enum ndr_err_code ndr_err
;
675 ndr_err
= ndr_pull_struct_blob(&in
,
678 (ndr_pull_flags_fn_t
)ndr_pull_dom_sid
);
679 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
680 tevent_req_nterror(req
,
681 NT_STATUS_INVALID_NETWORK_RESPONSE
);
685 sid_size
= ndr_size_dom_sid(&state
->sids
[i
], 0);
687 if (sid_size
> num_rdata
) {
688 tevent_req_nterror(req
,
689 NT_STATUS_INVALID_NETWORK_RESPONSE
);
694 num_rdata
-= sid_size
;
696 tevent_req_done(req
);
699 NTSTATUS
cli_posix_whoami_recv(struct tevent_req
*req
,
706 struct dom_sid
**psids
,
710 struct posix_whoami_state
*state
= tevent_req_data(
711 req
, struct posix_whoami_state
);
713 if (tevent_req_is_nterror(req
, &status
)) {
724 *pnum_gids
= state
->num_gids
;
727 *pgids
= talloc_move(mem_ctx
, &state
->gids
);
730 *pnum_sids
= state
->num_sids
;
733 *psids
= talloc_move(mem_ctx
, &state
->sids
);
736 *pguest
= state
->guest
;
741 NTSTATUS
cli_posix_whoami(struct cli_state
*cli
,
748 struct dom_sid
**sids
,
751 TALLOC_CTX
*frame
= talloc_stackframe();
752 struct tevent_context
*ev
= NULL
;
753 struct tevent_req
*req
= NULL
;
754 NTSTATUS status
= NT_STATUS_OK
;
756 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
758 * Can't use sync call while an async call is in flight
760 status
= NT_STATUS_INVALID_PARAMETER
;
764 ev
= samba_tevent_context_init(frame
);
766 status
= NT_STATUS_NO_MEMORY
;
770 req
= cli_posix_whoami_send(frame
,
774 status
= NT_STATUS_NO_MEMORY
;
778 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
782 status
= cli_posix_whoami_recv(req
,