2 Unix SMB/CIFS implementation.
3 client directory list routines
4 Copyright (C) Andrew Tridgell 1994-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "libsmb/libsmb.h"
22 #include "../lib/util/tevent_ntstatus.h"
23 #include "async_smb.h"
25 #include "../libcli/smb/smbXcli_base.h"
27 /****************************************************************************
28 Check if a returned directory name is safe.
29 ****************************************************************************/
31 static NTSTATUS
is_bad_name(bool windows_names
, const char *name
)
33 const char *bad_name_p
= NULL
;
35 bad_name_p
= strchr(name
, '/');
36 if (bad_name_p
!= NULL
) {
38 * Windows and POSIX names can't have '/'.
39 * Server is attacking us.
41 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
44 bad_name_p
= strchr(name
, '\\');
45 if (bad_name_p
!= NULL
) {
47 * Windows names can't have '\\'.
48 * Server is attacking us.
50 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
56 /****************************************************************************
57 Check if a returned directory name is safe. Disconnect if server is
59 ****************************************************************************/
61 NTSTATUS
is_bad_finfo_name(const struct cli_state
*cli
,
62 const struct file_info
*finfo
)
64 NTSTATUS status
= NT_STATUS_OK
;
65 bool windows_names
= true;
67 if (cli
->requested_posix_capabilities
& CIFS_UNIX_POSIX_PATHNAMES_CAP
) {
68 windows_names
= false;
70 if (finfo
->name
!= NULL
) {
71 status
= is_bad_name(windows_names
, finfo
->name
);
72 if (!NT_STATUS_IS_OK(status
)) {
73 DBG_ERR("bad finfo->name\n");
77 if (finfo
->short_name
!= NULL
) {
78 status
= is_bad_name(windows_names
, finfo
->short_name
);
79 if (!NT_STATUS_IS_OK(status
)) {
80 DBG_ERR("bad finfo->short_name\n");
87 /****************************************************************************
88 Calculate a safe next_entry_offset.
89 ****************************************************************************/
91 static size_t calc_next_entry_offset(const char *base
, const char *pdata_end
)
93 size_t next_entry_offset
= (size_t)IVAL(base
,0);
95 if (next_entry_offset
== 0 ||
96 base
+ next_entry_offset
< base
||
97 base
+ next_entry_offset
> pdata_end
) {
98 next_entry_offset
= pdata_end
- base
;
100 return next_entry_offset
;
103 /****************************************************************************
104 Interpret a long filename structure - this is mostly guesses at the moment.
105 The length of the structure is returned
106 The structure of a long filename depends on the info level.
107 SMB_FIND_FILE_BOTH_DIRECTORY_INFO is used
108 by NT and SMB_FIND_EA_SIZE is used by OS/2
109 ****************************************************************************/
111 static size_t interpret_long_filename(TALLOC_CTX
*ctx
,
112 struct cli_state
*cli
,
114 const char *base_ptr
,
115 uint16_t recv_flags2
,
117 const char *pdata_end
,
118 struct file_info
*finfo
,
119 uint32_t *p_resume_key
,
120 DATA_BLOB
*p_last_name_raw
)
124 const char *base
= p
;
126 data_blob_free(p_last_name_raw
);
134 case SMB_FIND_INFO_STANDARD
: /* OS/2 understands this */
135 /* these dates are converted to GMT by
137 if (pdata_end
- base
< 27) {
138 return pdata_end
- base
;
141 * What we're returning here as ctime_ts is
142 * actually the server create time.
144 finfo
->btime_ts
= convert_time_t_to_timespec(
146 smb1cli_conn_server_time_zone(
148 finfo
->ctime_ts
= convert_time_t_to_timespec(
149 make_unix_date2(p
+4, smb1cli_conn_server_time_zone(cli
->conn
)));
150 finfo
->atime_ts
= convert_time_t_to_timespec(
151 make_unix_date2(p
+8, smb1cli_conn_server_time_zone(cli
->conn
)));
152 finfo
->mtime_ts
= convert_time_t_to_timespec(
153 make_unix_date2(p
+12, smb1cli_conn_server_time_zone(cli
->conn
)));
154 finfo
->size
= IVAL(p
,16);
155 finfo
->attr
= SVAL(p
,24);
158 if (recv_flags2
& FLAGS2_UNICODE_STRINGS
) {
159 p
+= ucs2_align(base_ptr
, p
, STR_UNICODE
);
162 /* We can safely use len here (which is required by OS/2)
163 * and the NAS-BASIC server instead of +2 or +1 as the
164 * STR_TERMINATE flag below is
165 * actually used as the length calculation.
166 * The len is merely an upper bound.
167 * Due to the explicit 2 byte null termination
168 * in cli_receive_trans/cli_receive_nt_trans
169 * we know this is safe. JRA + kukks
172 if (p
+ len
> pdata_end
) {
173 return pdata_end
- base
;
176 /* the len+2 below looks strange but it is
177 important to cope with the differences
178 between win2000 and win9x for this call
180 ret
= pull_string_talloc(ctx
,
187 if (ret
== (size_t)-1) {
188 return pdata_end
- base
;
191 return PTR_DIFF(p
, base
);
193 case SMB_FIND_EA_SIZE
: /* this is what OS/2 uses mostly */
194 /* these dates are converted to GMT by
196 if (pdata_end
- base
< 31) {
197 return pdata_end
- base
;
200 * What we're returning here as ctime_ts is
201 * actually the server create time.
203 finfo
->btime_ts
= convert_time_t_to_timespec(
205 smb1cli_conn_server_time_zone(
207 finfo
->ctime_ts
= convert_time_t_to_timespec(
208 make_unix_date2(p
+4, smb1cli_conn_server_time_zone(cli
->conn
)));
209 finfo
->atime_ts
= convert_time_t_to_timespec(
210 make_unix_date2(p
+8, smb1cli_conn_server_time_zone(cli
->conn
)));
211 finfo
->mtime_ts
= convert_time_t_to_timespec(
212 make_unix_date2(p
+12, smb1cli_conn_server_time_zone(cli
->conn
)));
213 finfo
->size
= IVAL(p
,16);
214 finfo
->attr
= SVAL(p
,24);
217 /* check for unisys! */
218 if (p
+ len
+ 1 > pdata_end
) {
219 return pdata_end
- base
;
221 ret
= pull_string_talloc(ctx
,
228 if (ret
== (size_t)-1) {
229 return pdata_end
- base
;
232 return PTR_DIFF(p
, base
) + 1;
234 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO
: /* NT uses this, but also accepts 2 */
236 size_t namelen
, slen
;
238 if (pdata_end
- base
< 94) {
239 return pdata_end
- base
;
242 p
+= 4; /* next entry offset */
245 *p_resume_key
= IVAL(p
,0);
247 p
+= 4; /* fileindex */
249 /* Offset zero is "create time", not "change time". */
251 finfo
->atime_ts
= interpret_long_date(p
);
253 finfo
->mtime_ts
= interpret_long_date(p
);
255 finfo
->ctime_ts
= interpret_long_date(p
);
257 finfo
->size
= IVAL2_TO_SMB_BIG_UINT(p
,0);
259 p
+= 8; /* alloc size */
260 finfo
->attr
= IVAL(p
,0);
264 p
+= 4; /* EA size */
267 /* Bad short name length. */
268 return pdata_end
- base
;
271 ret
= pull_string_talloc(ctx
,
278 if (ret
== (size_t)-1) {
279 return pdata_end
- base
;
281 p
+= 24; /* short name? */
282 if (p
+ namelen
< p
|| p
+ namelen
> pdata_end
) {
283 return pdata_end
- base
;
285 ret
= pull_string_talloc(ctx
,
292 if (ret
== (size_t)-1) {
293 return pdata_end
- base
;
296 /* To be robust in the face of unicode conversion failures
297 we need to copy the raw bytes of the last name seen here.
298 Namelen doesn't include the terminating unicode null, so
301 if (p_last_name_raw
) {
302 *p_last_name_raw
= data_blob(NULL
, namelen
+2);
303 memcpy(p_last_name_raw
->data
, p
, namelen
);
304 SSVAL(p_last_name_raw
->data
, namelen
, 0);
306 return calc_next_entry_offset(base
, pdata_end
);
310 DEBUG(1,("Unknown long filename format %d\n",level
));
311 return calc_next_entry_offset(base
, pdata_end
);
314 /****************************************************************************
315 Interpret a short filename structure.
316 The length of the structure is returned.
317 ****************************************************************************/
319 static bool interpret_short_filename(TALLOC_CTX
*ctx
,
320 struct cli_state
*cli
,
322 struct file_info
*finfo
)
327 finfo
->attr
= CVAL(p
,21);
329 /* We don't get birth time. */
330 finfo
->btime_ts
.tv_sec
= 0;
331 finfo
->btime_ts
.tv_nsec
= 0;
332 /* this date is converted to GMT by make_unix_date */
333 finfo
->ctime_ts
.tv_sec
= make_unix_date(p
+22, smb1cli_conn_server_time_zone(cli
->conn
));
334 finfo
->ctime_ts
.tv_nsec
= 0;
335 finfo
->mtime_ts
.tv_sec
= finfo
->atime_ts
.tv_sec
= finfo
->ctime_ts
.tv_sec
;
336 finfo
->mtime_ts
.tv_nsec
= finfo
->atime_ts
.tv_nsec
= 0;
337 finfo
->size
= IVAL(p
,26);
338 ret
= pull_string_talloc(ctx
,
345 if (ret
== (size_t)-1) {
350 finfo
->short_name
= talloc_strdup(ctx
, finfo
->name
);
351 if (finfo
->short_name
== NULL
) {
358 struct cli_list_old_state
{
359 struct tevent_context
*ev
;
360 struct cli_state
*cli
;
365 uint8_t search_status
[23];
371 static void cli_list_old_done(struct tevent_req
*subreq
);
373 static struct tevent_req
*cli_list_old_send(TALLOC_CTX
*mem_ctx
,
374 struct tevent_context
*ev
,
375 struct cli_state
*cli
,
379 struct tevent_req
*req
, *subreq
;
380 struct cli_list_old_state
*state
;
382 static const uint16_t zero
= 0;
383 uint32_t usable_space
;
385 req
= tevent_req_create(mem_ctx
, &state
, struct cli_list_old_state
);
391 state
->attribute
= attribute
;
393 state
->mask
= talloc_strdup(state
, mask
);
394 if (tevent_req_nomem(state
->mask
, req
)) {
395 return tevent_req_post(req
, ev
);
397 usable_space
= cli_state_available_size(cli
, 100);
398 state
->num_asked
= usable_space
/ DIR_STRUCT_SIZE
;
400 SSVAL(state
->vwv
+ 0, 0, state
->num_asked
);
401 SSVAL(state
->vwv
+ 1, 0, state
->attribute
);
403 bytes
= talloc_array(state
, uint8_t, 1);
404 if (tevent_req_nomem(bytes
, req
)) {
405 return tevent_req_post(req
, ev
);
408 bytes
= smb_bytes_push_str(bytes
, smbXcli_conn_use_unicode(cli
->conn
), mask
,
409 strlen(mask
)+1, NULL
);
411 bytes
= smb_bytes_push_bytes(bytes
, 5, (const uint8_t *)&zero
, 2);
412 if (tevent_req_nomem(bytes
, req
)) {
413 return tevent_req_post(req
, ev
);
416 subreq
= cli_smb_send(state
, state
->ev
, state
->cli
, SMBsearch
, 0, 0,
417 2, state
->vwv
, talloc_get_size(bytes
), bytes
);
418 if (tevent_req_nomem(subreq
, req
)) {
419 return tevent_req_post(req
, ev
);
421 tevent_req_set_callback(subreq
, cli_list_old_done
, req
);
425 static void cli_list_old_done(struct tevent_req
*subreq
)
427 struct tevent_req
*req
= tevent_req_callback_data(
428 subreq
, struct tevent_req
);
429 struct cli_list_old_state
*state
= tevent_req_data(
430 req
, struct cli_list_old_state
);
441 status
= cli_smb_recv(subreq
, state
, NULL
, 0, &wct
, &vwv
, &num_bytes
,
443 if (!NT_STATUS_IS_OK(status
)
444 && !NT_STATUS_EQUAL(status
, NT_STATUS_DOS(ERRDOS
, ERRnofiles
))
445 && !NT_STATUS_EQUAL(status
, STATUS_NO_MORE_FILES
)) {
447 tevent_req_nterror(req
, status
);
450 if (NT_STATUS_EQUAL(status
, NT_STATUS_DOS(ERRDOS
, ERRnofiles
))
451 || NT_STATUS_EQUAL(status
, STATUS_NO_MORE_FILES
)) {
457 req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
460 received
= SVAL(vwv
+ 0, 0);
465 * I don't think this can wrap. received is
466 * initialized from a 16-bit value.
468 if (num_bytes
< (received
* DIR_STRUCT_SIZE
+ 3)) {
471 req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
475 dirlist_len
= talloc_get_size(state
->dirlist
);
477 tmp
= talloc_realloc(
478 state
, state
->dirlist
, uint8_t,
479 dirlist_len
+ received
* DIR_STRUCT_SIZE
);
480 if (tevent_req_nomem(tmp
, req
)) {
483 state
->dirlist
= tmp
;
484 memcpy(state
->dirlist
+ dirlist_len
, bytes
+ 3,
485 received
* DIR_STRUCT_SIZE
);
487 SSVAL(state
->search_status
, 0, 21);
488 memcpy(state
->search_status
+ 2,
489 bytes
+ 3 + (received
-1)*DIR_STRUCT_SIZE
, 21);
492 if (state
->first
|| state
->done
) {
493 tevent_req_done(req
);
497 state
->num_asked
= 0;
502 state
->first
= false;
504 SSVAL(state
->vwv
+ 0, 0, state
->num_asked
);
505 SSVAL(state
->vwv
+ 1, 0, state
->attribute
);
507 bytes
= talloc_array(state
, uint8_t, 1);
508 if (tevent_req_nomem(bytes
, req
)) {
512 bytes
= smb_bytes_push_str(bytes
, smbXcli_conn_use_unicode(state
->cli
->conn
), "",
514 bytes
= smb_bytes_push_bytes(bytes
, 5, state
->search_status
,
515 sizeof(state
->search_status
));
516 if (tevent_req_nomem(bytes
, req
)) {
519 subreq
= cli_smb_send(state
, state
->ev
, state
->cli
, cmd
, 0, 0,
520 2, state
->vwv
, talloc_get_size(bytes
), bytes
);
521 if (tevent_req_nomem(subreq
, req
)) {
524 tevent_req_set_callback(subreq
, cli_list_old_done
, req
);
527 static NTSTATUS
cli_list_old_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
528 struct file_info
**pfinfo
)
530 struct cli_list_old_state
*state
= tevent_req_data(
531 req
, struct cli_list_old_state
);
533 size_t i
, num_received
;
534 struct file_info
*finfo
;
536 if (tevent_req_is_nterror(req
, &status
)) {
540 num_received
= talloc_array_length(state
->dirlist
) / DIR_STRUCT_SIZE
;
542 finfo
= talloc_array(mem_ctx
, struct file_info
, num_received
);
544 return NT_STATUS_NO_MEMORY
;
547 for (i
=0; i
<num_received
; i
++) {
548 if (!interpret_short_filename(
550 (char *)state
->dirlist
+ i
* DIR_STRUCT_SIZE
,
553 return NT_STATUS_NO_MEMORY
;
555 if (finfo
->name
== NULL
) {
557 return NT_STATUS_INVALID_NETWORK_RESPONSE
;
559 status
= is_bad_finfo_name(state
->cli
, finfo
);
560 if (!NT_STATUS_IS_OK(status
)) {
561 smbXcli_conn_disconnect(state
->cli
->conn
, status
);
570 NTSTATUS
cli_list_old(struct cli_state
*cli
, const char *mask
,
572 NTSTATUS (*fn
)(const char *, struct file_info
*,
573 const char *, void *), void *state
)
575 TALLOC_CTX
*frame
= talloc_stackframe();
576 struct tevent_context
*ev
;
577 struct tevent_req
*req
;
578 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
579 struct file_info
*finfo
= NULL
;
582 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
584 * Can't use sync call while an async call is in flight
586 status
= NT_STATUS_INVALID_PARAMETER
;
589 ev
= samba_tevent_context_init(frame
);
593 req
= cli_list_old_send(frame
, ev
, cli
, mask
, attribute
);
597 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
600 status
= cli_list_old_recv(req
, frame
, &finfo
);
601 if (!NT_STATUS_IS_OK(status
)) {
604 num_finfo
= talloc_array_length(finfo
);
605 for (i
=0; i
<num_finfo
; i
++) {
606 status
= fn(cli
->dfs_mountpoint
, &finfo
[i
], mask
, state
);
607 if (!NT_STATUS_IS_OK(status
)) {
616 struct cli_list_trans_state
{
617 struct tevent_context
*ev
;
618 struct cli_state
*cli
;
625 uint16_t max_matches
;
634 struct file_info
*finfo
;
637 static void cli_list_trans_done(struct tevent_req
*subreq
);
639 static struct tevent_req
*cli_list_trans_send(TALLOC_CTX
*mem_ctx
,
640 struct tevent_context
*ev
,
641 struct cli_state
*cli
,
646 struct tevent_req
*req
, *subreq
;
647 struct cli_list_trans_state
*state
;
649 uint16_t additional_flags2
= 0;
651 req
= tevent_req_create(mem_ctx
, &state
,
652 struct cli_list_trans_state
);
658 state
->mask
= talloc_strdup(state
, mask
);
659 if (tevent_req_nomem(state
->mask
, req
)) {
660 return tevent_req_post(req
, ev
);
662 state
->attribute
= attribute
;
663 state
->info_level
= info_level
;
664 state
->loop_count
= 0;
667 state
->max_matches
= 1366; /* Match W2k */
669 SSVAL(&state
->setup
[0], 0, TRANSACT2_FINDFIRST
);
671 state
->param
= talloc_array(state
, uint8_t, 12);
672 if (tevent_req_nomem(state
->param
, req
)) {
673 return tevent_req_post(req
, ev
);
676 SSVAL(state
->param
, 0, state
->attribute
);
677 SSVAL(state
->param
, 2, state
->max_matches
);
678 SSVAL(state
->param
, 4,
679 FLAG_TRANS2_FIND_REQUIRE_RESUME
680 |FLAG_TRANS2_FIND_CLOSE_IF_END
681 |(cli
->backup_intent
? FLAG_TRANS2_FIND_BACKUP_INTENT
: 0));
682 SSVAL(state
->param
, 6, state
->info_level
);
683 SIVAL(state
->param
, 8, 0);
685 state
->param
= trans2_bytes_push_str(state
->param
, smbXcli_conn_use_unicode(cli
->conn
),
686 state
->mask
, strlen(state
->mask
)+1,
688 if (tevent_req_nomem(state
->param
, req
)) {
689 return tevent_req_post(req
, ev
);
692 if (clistr_is_previous_version_path(state
->mask
, NULL
, NULL
, NULL
)) {
693 additional_flags2
= FLAGS2_REPARSE_PATH
;
696 param_len
= talloc_get_size(state
->param
);
698 subreq
= cli_trans_send(state
, state
->ev
, state
->cli
, additional_flags2
,
699 SMBtrans2
, NULL
, -1, 0, 0,
701 state
->param
, param_len
, 10,
702 NULL
, 0, CLI_BUFFER_SIZE
);
703 if (tevent_req_nomem(subreq
, req
)) {
704 return tevent_req_post(req
, ev
);
706 tevent_req_set_callback(subreq
, cli_list_trans_done
, req
);
710 static void cli_list_trans_done(struct tevent_req
*subreq
)
712 struct tevent_req
*req
= tevent_req_callback_data(
713 subreq
, struct tevent_req
);
714 struct cli_list_trans_state
*state
= tevent_req_data(
715 req
, struct cli_list_trans_state
);
723 struct file_info
*tmp
;
724 size_t old_num_finfo
;
725 uint16_t recv_flags2
;
729 uint32_t resume_key
= 0;
731 DATA_BLOB last_name_raw
;
732 struct file_info
*finfo
= NULL
;
734 uint16_t additional_flags2
= 0;
736 min_param
= (state
->first
? 6 : 4);
738 status
= cli_trans_recv(subreq
, talloc_tos(), &recv_flags2
,
740 ¶m
, min_param
, &num_param
,
741 &data
, 0, &num_data
);
743 if (!NT_STATUS_IS_OK(status
)) {
745 * TODO: retry, OS/2 nofiles
747 tevent_req_nterror(req
, status
);
752 state
->ff_dir_handle
= SVAL(param
, 0);
753 ff_searchcount
= SVAL(param
, 2);
754 ff_eos
= SVAL(param
, 4) != 0;
756 ff_searchcount
= SVAL(param
, 0);
757 ff_eos
= SVAL(param
, 2) != 0;
760 old_num_finfo
= talloc_array_length(state
->finfo
);
762 tmp
= talloc_realloc(state
, state
->finfo
, struct file_info
,
763 old_num_finfo
+ ff_searchcount
);
764 if (tevent_req_nomem(tmp
, req
)) {
769 p2
= p
= (char *)data
;
770 data_end
= (char *)data
+ num_data
;
771 last_name_raw
= data_blob_null
;
773 for (i
=0; i
<ff_searchcount
; i
++) {
774 if (p2
>= data_end
) {
778 if ((state
->info_level
== SMB_FIND_FILE_BOTH_DIRECTORY_INFO
)
779 && (i
== ff_searchcount
-1)) {
780 /* Last entry - fixup the last offset length. */
781 SIVAL(p2
, 0, PTR_DIFF((data
+ num_data
), p2
));
784 data_blob_free(&last_name_raw
);
786 finfo
= &state
->finfo
[old_num_finfo
+ i
];
788 p2
+= interpret_long_filename(
789 state
->finfo
, /* Stick fname to the array as such */
790 state
->cli
, state
->info_level
,
791 (char *)data
, recv_flags2
, p2
,
792 data_end
, finfo
, &resume_key
, &last_name_raw
);
794 if (finfo
->name
== NULL
) {
795 DEBUG(1, ("cli_list: Error: unable to parse name from "
796 "info level %d\n", state
->info_level
));
797 tevent_req_nterror(req
,
798 NT_STATUS_INVALID_NETWORK_RESPONSE
);
802 status
= is_bad_finfo_name(state
->cli
, finfo
);
803 if (!NT_STATUS_IS_OK(status
)) {
804 smbXcli_conn_disconnect(state
->cli
->conn
, status
);
805 tevent_req_nterror(req
, status
);
809 if (!state
->first
&& (state
->mask
[0] != '\0') &&
810 strcsequal(finfo
->name
, state
->mask
)) {
811 DEBUG(1, ("Error: Looping in FIND_NEXT as name %s has "
812 "already been seen?\n", finfo
->name
));
818 if (ff_searchcount
== 0) {
826 * Shrink state->finfo to the real length we received
828 tmp
= talloc_realloc(state
, state
->finfo
, struct file_info
,
830 if (tevent_req_nomem(tmp
, req
)) {
835 state
->first
= false;
838 data_blob_free(&last_name_raw
);
839 tevent_req_done(req
);
843 TALLOC_FREE(state
->mask
);
844 state
->mask
= talloc_strdup(state
, finfo
->name
);
845 if (tevent_req_nomem(state
->mask
, req
)) {
849 SSVAL(&state
->setup
[0], 0, TRANSACT2_FINDNEXT
);
851 param
= talloc_realloc(state
, state
->param
, uint8_t, 12);
852 if (tevent_req_nomem(param
, req
)) {
855 state
->param
= param
;
857 SSVAL(param
, 0, state
->ff_dir_handle
);
858 SSVAL(param
, 2, state
->max_matches
); /* max count */
859 SSVAL(param
, 4, state
->info_level
);
861 * For W2K servers serving out FAT filesystems we *must* set
862 * the resume key. If it's not FAT then it's returned as zero.
864 SIVAL(param
, 6, resume_key
); /* ff_resume_key */
866 * NB. *DON'T* use continue here. If you do it seems that W2K
867 * and bretheren can miss filenames. Use last filename
868 * continue instead. JRA
870 SSVAL(param
, 10, (FLAG_TRANS2_FIND_REQUIRE_RESUME
871 |FLAG_TRANS2_FIND_CLOSE_IF_END
872 |(state
->cli
->backup_intent
? FLAG_TRANS2_FIND_BACKUP_INTENT
: 0)));
873 if (last_name_raw
.length
) {
874 state
->param
= trans2_bytes_push_bytes(state
->param
,
876 last_name_raw
.length
);
877 if (tevent_req_nomem(state
->param
, req
)) {
880 data_blob_free(&last_name_raw
);
882 state
->param
= trans2_bytes_push_str(state
->param
,
883 smbXcli_conn_use_unicode(state
->cli
->conn
),
885 strlen(state
->mask
)+1,
887 if (tevent_req_nomem(state
->param
, req
)) {
891 param_len
= talloc_get_size(state
->param
);
893 if (clistr_is_previous_version_path(state
->mask
, NULL
, NULL
, NULL
)) {
894 additional_flags2
= FLAGS2_REPARSE_PATH
;
897 subreq
= cli_trans_send(state
, state
->ev
, state
->cli
, additional_flags2
,
898 SMBtrans2
, NULL
, -1, 0, 0,
900 state
->param
, param_len
, 10,
901 NULL
, 0, CLI_BUFFER_SIZE
);
902 if (tevent_req_nomem(subreq
, req
)) {
905 tevent_req_set_callback(subreq
, cli_list_trans_done
, req
);
908 static NTSTATUS
cli_list_trans_recv(struct tevent_req
*req
,
910 struct file_info
**finfo
)
912 struct cli_list_trans_state
*state
= tevent_req_data(
913 req
, struct cli_list_trans_state
);
916 if (tevent_req_is_nterror(req
, &status
)) {
919 *finfo
= talloc_move(mem_ctx
, &state
->finfo
);
923 NTSTATUS
cli_list_trans(struct cli_state
*cli
, const char *mask
,
924 uint32_t attribute
, int info_level
,
925 NTSTATUS (*fn
)(const char *mnt
, struct file_info
*finfo
,
926 const char *mask
, void *private_data
),
929 TALLOC_CTX
*frame
= talloc_stackframe();
930 struct tevent_context
*ev
;
931 struct tevent_req
*req
;
933 struct file_info
*finfo
= NULL
;
934 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
936 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
938 * Can't use sync call while an async call is in flight
940 status
= NT_STATUS_INVALID_PARAMETER
;
943 ev
= samba_tevent_context_init(frame
);
947 req
= cli_list_trans_send(frame
, ev
, cli
, mask
, attribute
, info_level
);
951 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
954 status
= cli_list_trans_recv(req
, frame
, &finfo
);
955 if (!NT_STATUS_IS_OK(status
)) {
958 num_finfo
= talloc_array_length(finfo
);
959 for (i
=0; i
<num_finfo
; i
++) {
960 status
= fn(cli
->dfs_mountpoint
, &finfo
[i
], mask
, private_data
);
961 if (!NT_STATUS_IS_OK(status
)) {
970 struct cli_list_state
{
971 NTSTATUS (*recv_fn
)(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
972 struct file_info
**finfo
);
973 struct file_info
*finfo
;
976 static void cli_list_done(struct tevent_req
*subreq
);
978 struct tevent_req
*cli_list_send(TALLOC_CTX
*mem_ctx
,
979 struct tevent_context
*ev
,
980 struct cli_state
*cli
,
985 struct tevent_req
*req
, *subreq
;
986 struct cli_list_state
*state
;
988 req
= tevent_req_create(mem_ctx
, &state
, struct cli_list_state
);
993 if (smbXcli_conn_protocol(cli
->conn
) <= PROTOCOL_LANMAN1
) {
994 subreq
= cli_list_old_send(state
, ev
, cli
, mask
, attribute
);
995 state
->recv_fn
= cli_list_old_recv
;
997 subreq
= cli_list_trans_send(state
, ev
, cli
, mask
, attribute
,
999 state
->recv_fn
= cli_list_trans_recv
;
1001 if (tevent_req_nomem(subreq
, req
)) {
1002 return tevent_req_post(req
, ev
);
1004 tevent_req_set_callback(subreq
, cli_list_done
, req
);
1008 static void cli_list_done(struct tevent_req
*subreq
)
1010 struct tevent_req
*req
= tevent_req_callback_data(
1011 subreq
, struct tevent_req
);
1012 struct cli_list_state
*state
= tevent_req_data(
1013 req
, struct cli_list_state
);
1016 status
= state
->recv_fn(subreq
, state
, &state
->finfo
);
1017 TALLOC_FREE(subreq
);
1018 if (!NT_STATUS_IS_OK(status
)) {
1019 tevent_req_nterror(req
, status
);
1022 tevent_req_done(req
);
1025 NTSTATUS
cli_list_recv(struct tevent_req
*req
, TALLOC_CTX
*mem_ctx
,
1026 struct file_info
**finfo
, size_t *num_finfo
)
1028 struct cli_list_state
*state
= tevent_req_data(
1029 req
, struct cli_list_state
);
1032 if (tevent_req_is_nterror(req
, &status
)) {
1035 *num_finfo
= talloc_array_length(state
->finfo
);
1036 *finfo
= talloc_move(mem_ctx
, &state
->finfo
);
1037 return NT_STATUS_OK
;
1040 NTSTATUS
cli_list(struct cli_state
*cli
, const char *mask
, uint32_t attribute
,
1041 NTSTATUS (*fn
)(const char *, struct file_info
*, const char *,
1042 void *), void *state
)
1044 TALLOC_CTX
*frame
= NULL
;
1045 struct tevent_context
*ev
;
1046 struct tevent_req
*req
;
1047 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
1048 struct file_info
*finfo
;
1049 size_t i
, num_finfo
= 0;
1050 uint16_t info_level
;
1052 if (smbXcli_conn_protocol(cli
->conn
) >= PROTOCOL_SMB2_02
) {
1053 return cli_smb2_list(cli
, mask
, attribute
, fn
, state
);
1056 frame
= talloc_stackframe();
1058 if (smbXcli_conn_has_async_calls(cli
->conn
)) {
1060 * Can't use sync call while an async call is in flight
1062 status
= NT_STATUS_INVALID_PARAMETER
;
1065 ev
= samba_tevent_context_init(frame
);
1070 info_level
= (smb1cli_conn_capabilities(cli
->conn
) & CAP_NT_SMBS
)
1071 ? SMB_FIND_FILE_BOTH_DIRECTORY_INFO
: SMB_FIND_INFO_STANDARD
;
1073 req
= cli_list_send(frame
, ev
, cli
, mask
, attribute
, info_level
);
1077 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
1081 status
= cli_list_recv(req
, frame
, &finfo
, &num_finfo
);
1082 if (!NT_STATUS_IS_OK(status
)) {
1086 for (i
=0; i
<num_finfo
; i
++) {
1087 status
= fn(cli
->dfs_mountpoint
, &finfo
[i
], mask
, state
);
1088 if (!NT_STATUS_IS_OK(status
)) {