1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
|
/*
Unix SMB/CIFS implementation.
helper functions for SMB2 test suite
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/security/security_descriptor.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "../libcli/smb/smbXcli_base.h"
#include "lib/cmdline/popt_common.h"
#include "system/time.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "param/param.h"
#include "libcli/resolve/resolve.h"
#include "torture/torture.h"
#include "torture/smb2/proto.h"
/*
write to a file on SMB2
*/
NTSTATUS smb2_util_write(struct smb2_tree *tree,
struct smb2_handle handle,
const void *buf, off_t offset, size_t size)
{
struct smb2_write w;
ZERO_STRUCT(w);
w.in.file.handle = handle;
w.in.offset = offset;
w.in.data = data_blob_const(buf, size);
return smb2_write(tree, &w);
}
/*
create a complex file/dir using the SMB2 protocol
*/
static NTSTATUS smb2_create_complex(struct smb2_tree *tree, const char *fname,
struct smb2_handle *handle, bool dir)
{
TALLOC_CTX *tmp_ctx = talloc_new(tree);
char buf[7] = "abc";
struct smb2_create io;
union smb_setfileinfo setfile;
union smb_fileinfo fileinfo;
time_t t = (time(NULL) & ~1);
NTSTATUS status;
smb2_util_unlink(tree, fname);
ZERO_STRUCT(io);
io.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED;
io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
io.in.create_disposition = NTCREATEX_DISP_OVERWRITE_IF;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
io.in.create_options = 0;
io.in.fname = fname;
if (dir) {
io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
io.in.share_access &= ~NTCREATEX_SHARE_ACCESS_DELETE;
io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
io.in.create_disposition = NTCREATEX_DISP_CREATE;
}
/* it seems vista is now fussier about alignment? */
if (strchr(fname, ':') == NULL) {
/* setup some EAs */
io.in.eas.num_eas = 2;
io.in.eas.eas = talloc_array(tmp_ctx, struct ea_struct, 2);
io.in.eas.eas[0].flags = 0;
io.in.eas.eas[0].name.s = "EAONE";
io.in.eas.eas[0].value = data_blob_talloc(tmp_ctx, "VALUE1", 6);
io.in.eas.eas[1].flags = 0;
io.in.eas.eas[1].name.s = "SECONDEA";
io.in.eas.eas[1].value = data_blob_talloc(tmp_ctx, "ValueTwo", 8);
}
status = smb2_create(tree, tmp_ctx, &io);
talloc_free(tmp_ctx);
NT_STATUS_NOT_OK_RETURN(status);
*handle = io.out.file.handle;
if (!dir) {
status = smb2_util_write(tree, *handle, buf, 0, sizeof(buf));
NT_STATUS_NOT_OK_RETURN(status);
}
/* make sure all the timestamps aren't the same, and are also
in different DST zones*/
setfile.generic.level = RAW_SFILEINFO_BASIC_INFORMATION;
setfile.generic.in.file.handle = *handle;
unix_to_nt_time(&setfile.basic_info.in.create_time, t + 9*30*24*60*60);
unix_to_nt_time(&setfile.basic_info.in.access_time, t + 6*30*24*60*60);
unix_to_nt_time(&setfile.basic_info.in.write_time, t + 3*30*24*60*60);
unix_to_nt_time(&setfile.basic_info.in.change_time, t + 1*30*24*60*60);
setfile.basic_info.in.attrib = FILE_ATTRIBUTE_NORMAL;
status = smb2_setinfo_file(tree, &setfile);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to setup file times - %s\n", nt_errstr(status));
return status;
}
/* make sure all the timestamps aren't the same */
fileinfo.generic.level = RAW_FILEINFO_SMB2_ALL_INFORMATION;
fileinfo.generic.in.file.handle = *handle;
status = smb2_getinfo_file(tree, tree, &fileinfo);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to query file times - %s\n", nt_errstr(status));
return status;
}
#define CHECK_TIME(field) do {\
if (setfile.basic_info.in.field != fileinfo.all_info2.out.field) { \
printf("(%s) " #field " not setup correctly: %s(%llu) => %s(%llu)\n", \
__location__, \
nt_time_string(tree, setfile.basic_info.in.field), \
(unsigned long long)setfile.basic_info.in.field, \
nt_time_string(tree, fileinfo.basic_info.out.field), \
(unsigned long long)fileinfo.basic_info.out.field); \
status = NT_STATUS_INVALID_PARAMETER; \
} \
} while (0)
CHECK_TIME(create_time);
CHECK_TIME(access_time);
CHECK_TIME(write_time);
CHECK_TIME(change_time);
return status;
}
/*
create a complex file using the SMB2 protocol
*/
NTSTATUS smb2_create_complex_file(struct smb2_tree *tree, const char *fname,
struct smb2_handle *handle)
{
return smb2_create_complex(tree, fname, handle, false);
}
/*
create a complex dir using the SMB2 protocol
*/
NTSTATUS smb2_create_complex_dir(struct smb2_tree *tree, const char *fname,
struct smb2_handle *handle)
{
return smb2_create_complex(tree, fname, handle, true);
}
/*
show lots of information about a file
*/
void torture_smb2_all_info(struct smb2_tree *tree, struct smb2_handle handle)
{
NTSTATUS status;
TALLOC_CTX *tmp_ctx = talloc_new(tree);
union smb_fileinfo io;
io.generic.level = RAW_FILEINFO_SMB2_ALL_INFORMATION;
io.generic.in.file.handle = handle;
status = smb2_getinfo_file(tree, tmp_ctx, &io);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("getinfo failed - %s\n", nt_errstr(status)));
talloc_free(tmp_ctx);
return;
}
d_printf("all_info for '%s'\n", io.all_info2.out.fname.s);
d_printf("\tcreate_time: %s\n", nt_time_string(tmp_ctx, io.all_info2.out.create_time));
d_printf("\taccess_time: %s\n", nt_time_string(tmp_ctx, io.all_info2.out.access_time));
d_printf("\twrite_time: %s\n", nt_time_string(tmp_ctx, io.all_info2.out.write_time));
d_printf("\tchange_time: %s\n", nt_time_string(tmp_ctx, io.all_info2.out.change_time));
d_printf("\tattrib: 0x%x\n", io.all_info2.out.attrib);
d_printf("\tunknown1: 0x%x\n", io.all_info2.out.unknown1);
d_printf("\talloc_size: %llu\n", (long long)io.all_info2.out.alloc_size);
d_printf("\tsize: %llu\n", (long long)io.all_info2.out.size);
d_printf("\tnlink: %u\n", io.all_info2.out.nlink);
d_printf("\tdelete_pending: %u\n", io.all_info2.out.delete_pending);
d_printf("\tdirectory: %u\n", io.all_info2.out.directory);
d_printf("\tfile_id: %llu\n", (long long)io.all_info2.out.file_id);
d_printf("\tea_size: %u\n", io.all_info2.out.ea_size);
d_printf("\taccess_mask: 0x%08x\n", io.all_info2.out.access_mask);
d_printf("\tposition: 0x%llx\n", (long long)io.all_info2.out.position);
d_printf("\tmode: 0x%llx\n", (long long)io.all_info2.out.mode);
/* short name, if any */
io.generic.level = RAW_FILEINFO_ALT_NAME_INFORMATION;
status = smb2_getinfo_file(tree, tmp_ctx, &io);
if (NT_STATUS_IS_OK(status)) {
d_printf("\tshort name: '%s'\n", io.alt_name_info.out.fname.s);
}
/* the EAs, if any */
io.generic.level = RAW_FILEINFO_SMB2_ALL_EAS;
status = smb2_getinfo_file(tree, tmp_ctx, &io);
if (NT_STATUS_IS_OK(status)) {
int i;
for (i=0;i<io.all_eas.out.num_eas;i++) {
d_printf("\tEA[%d] flags=%d len=%d '%s'\n", i,
io.all_eas.out.eas[i].flags,
(int)io.all_eas.out.eas[i].value.length,
io.all_eas.out.eas[i].name.s);
}
}
/* streams, if available */
io.generic.level = RAW_FILEINFO_STREAM_INFORMATION;
status = smb2_getinfo_file(tree, tmp_ctx, &io);
if (NT_STATUS_IS_OK(status)) {
int i;
for (i=0;i<io.stream_info.out.num_streams;i++) {
d_printf("\tstream %d:\n", i);
d_printf("\t\tsize %ld\n",
(long)io.stream_info.out.streams[i].size);
d_printf("\t\talloc size %ld\n",
(long)io.stream_info.out.streams[i].alloc_size);
d_printf("\t\tname %s\n", io.stream_info.out.streams[i].stream_name.s);
}
}
if (DEBUGLVL(1)) {
/* the security descriptor */
io.query_secdesc.level = RAW_FILEINFO_SEC_DESC;
io.query_secdesc.in.secinfo_flags =
SECINFO_OWNER|SECINFO_GROUP|
SECINFO_DACL;
status = smb2_getinfo_file(tree, tmp_ctx, &io);
if (NT_STATUS_IS_OK(status)) {
NDR_PRINT_DEBUG(security_descriptor, io.query_secdesc.out.sd);
}
}
talloc_free(tmp_ctx);
}
/**
* open a smb2 tree connect
*/
bool torture_smb2_tree_connect(struct torture_context *tctx,
struct smb2_session *session,
TALLOC_CTX *mem_ctx,
struct smb2_tree **_tree)
{
NTSTATUS status;
const char *host = torture_setting_string(tctx, "host", NULL);
const char *share = torture_setting_string(tctx, "share", NULL);
struct smb2_tree_connect tcon;
struct smb2_tree *tree;
ZERO_STRUCT(tcon);
tcon.in.reserved = 0;
tcon.in.path = talloc_asprintf(tctx, "\\\\%s\\%s", host, share);
if (tcon.in.path == NULL) {
printf("talloc failed\n");
return false;
}
status = smb2_tree_connect(session, &tcon);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to tree_connect to SMB2 share \\\\%s\\%s - %s\n",
host, share, nt_errstr(status));
return false;
}
tree = smb2_tree_init(session, mem_ctx, true);
if (tree == NULL) {
printf("talloc failed\n");
return false;
}
smb2cli_tcon_set_values(tree->smbXcli,
tree->session->smbXcli,
tcon.out.tid,
tcon.out.share_type,
tcon.out.flags,
tcon.out.capabilities,
tcon.out.access_mask);
*_tree = tree;
return true;
}
/**
* do a smb2 session setup (without a tree connect)
*/
bool torture_smb2_session_setup(struct torture_context *tctx,
struct smb2_transport *transport,
uint64_t previous_session_id,
TALLOC_CTX *mem_ctx,
struct smb2_session **_session)
{
NTSTATUS status;
struct smb2_session *session;
struct cli_credentials *credentials = cmdline_credentials;
session = smb2_session_init(transport,
lpcfg_gensec_settings(tctx, tctx->lp_ctx),
mem_ctx, true);
if (session == NULL) {
return false;
}
status = smb2_session_setup_spnego(session, credentials,
previous_session_id);
if (!NT_STATUS_IS_OK(status)) {
printf("session setup failed: %s\n", nt_errstr(status));
talloc_free(session);
return false;
}
*_session = session;
return true;
}
/*
open a smb2 connection
*/
bool torture_smb2_connection_ext(struct torture_context *tctx,
uint64_t previous_session_id,
const struct smbcli_options *options,
struct smb2_tree **tree)
{
NTSTATUS status;
const char *host = torture_setting_string(tctx, "host", NULL);
const char *share = torture_setting_string(tctx, "share", NULL);
struct cli_credentials *credentials = cmdline_credentials;
status = smb2_connect_ext(tctx,
host,
lpcfg_smb_ports(tctx->lp_ctx),
share,
lpcfg_resolve_context(tctx->lp_ctx),
credentials,
previous_session_id,
tree,
tctx->ev,
options,
lpcfg_socket_options(tctx->lp_ctx),
lpcfg_gensec_settings(tctx, tctx->lp_ctx)
);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to connect to SMB2 share \\\\%s\\%s - %s\n",
host, share, nt_errstr(status));
return false;
}
return true;
}
bool torture_smb2_connection(struct torture_context *tctx, struct smb2_tree **tree)
{
bool ret;
struct smbcli_options options;
lpcfg_smbcli_options(tctx->lp_ctx, &options);
ret = torture_smb2_connection_ext(tctx, 0, &options, tree);
return ret;
}
/*
create and return a handle to a test file
*/
NTSTATUS torture_smb2_testfile(struct smb2_tree *tree, const char *fname,
struct smb2_handle *handle)
{
struct smb2_create io;
NTSTATUS status;
ZERO_STRUCT(io);
io.in.oplock_level = 0;
io.in.desired_access = SEC_RIGHTS_FILE_ALL;
io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
io.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
io.in.create_options = 0;
io.in.fname = fname;
status = smb2_create(tree, tree, &io);
NT_STATUS_NOT_OK_RETURN(status);
*handle = io.out.file.handle;
return NT_STATUS_OK;
}
/*
create and return a handle to a test directory
*/
NTSTATUS torture_smb2_testdir(struct smb2_tree *tree, const char *fname,
struct smb2_handle *handle)
{
struct smb2_create io;
NTSTATUS status;
ZERO_STRUCT(io);
io.in.oplock_level = 0;
io.in.desired_access = SEC_RIGHTS_DIR_ALL;
io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
io.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
io.in.share_access = NTCREATEX_SHARE_ACCESS_READ|NTCREATEX_SHARE_ACCESS_WRITE|NTCREATEX_SHARE_ACCESS_DELETE;
io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
io.in.fname = fname;
status = smb2_create(tree, tree, &io);
NT_STATUS_NOT_OK_RETURN(status);
*handle = io.out.file.handle;
return NT_STATUS_OK;
}
/*
create a complex file using SMB2, to make it easier to
find fields in SMB2 getinfo levels
*/
NTSTATUS torture_setup_complex_file(struct smb2_tree *tree, const char *fname)
{
struct smb2_handle handle;
NTSTATUS status = smb2_create_complex_file(tree, fname, &handle);
NT_STATUS_NOT_OK_RETURN(status);
return smb2_util_close(tree, handle);
}
/*
create a complex dir using SMB2, to make it easier to
find fields in SMB2 getinfo levels
*/
NTSTATUS torture_setup_complex_dir(struct smb2_tree *tree, const char *fname)
{
struct smb2_handle handle;
NTSTATUS status = smb2_create_complex_dir(tree, fname, &handle);
NT_STATUS_NOT_OK_RETURN(status);
return smb2_util_close(tree, handle);
}
/*
return a handle to the root of the share
*/
NTSTATUS smb2_util_roothandle(struct smb2_tree *tree, struct smb2_handle *handle)
{
struct smb2_create io;
NTSTATUS status;
ZERO_STRUCT(io);
io.in.oplock_level = 0;
io.in.desired_access = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
io.in.file_attributes = 0;
io.in.create_disposition = NTCREATEX_DISP_OPEN;
io.in.share_access = NTCREATEX_SHARE_ACCESS_READ|NTCREATEX_SHARE_ACCESS_DELETE;
io.in.create_options = NTCREATEX_OPTIONS_ASYNC_ALERT;
io.in.fname = "";
status = smb2_create(tree, tree, &io);
NT_STATUS_NOT_OK_RETURN(status);
*handle = io.out.file.handle;
return NT_STATUS_OK;
}
/* Comparable to torture_setup_dir, but for SMB2. */
bool smb2_util_setup_dir(struct torture_context *tctx, struct smb2_tree *tree,
const char *dname)
{
NTSTATUS status;
/* XXX: smb_raw_exit equivalent?
smb_raw_exit(cli->session); */
if (smb2_deltree(tree, dname) == -1) {
torture_result(tctx, TORTURE_ERROR, "Unable to deltree when setting up %s.\n", dname);
return false;
}
status = smb2_util_mkdir(tree, dname);
if (NT_STATUS_IS_ERR(status)) {
torture_result(tctx, TORTURE_ERROR, "Unable to mkdir when setting up %s - %s\n", dname,
nt_errstr(status));
return false;
}
return true;
}
#define CHECK_STATUS(status, correct) do { \
if (!NT_STATUS_EQUAL(status, correct)) { \
torture_result(tctx, TORTURE_FAIL, "(%s) Incorrect status %s - should be %s\n", \
__location__, nt_errstr(status), nt_errstr(correct)); \
ret = false; \
goto done; \
}} while (0)
/*
* Helper function to verify a security descriptor, by querying
* and comparing against the passed in sd.
*/
bool smb2_util_verify_sd(TALLOC_CTX *tctx, struct smb2_tree *tree,
struct smb2_handle handle, struct security_descriptor *sd)
{
NTSTATUS status;
bool ret = true;
union smb_fileinfo q = {};
q.query_secdesc.level = RAW_FILEINFO_SEC_DESC;
q.query_secdesc.in.file.handle = handle;
q.query_secdesc.in.secinfo_flags =
SECINFO_OWNER |
SECINFO_GROUP |
SECINFO_DACL;
status = smb2_getinfo_file(tree, tctx, &q);
CHECK_STATUS(status, NT_STATUS_OK);
if (!security_acl_equal(
q.query_secdesc.out.sd->dacl, sd->dacl)) {
torture_warning(tctx, "%s: security descriptors don't match!\n",
__location__);
torture_warning(tctx, "got:\n");
NDR_PRINT_DEBUG(security_descriptor,
q.query_secdesc.out.sd);
torture_warning(tctx, "expected:\n");
NDR_PRINT_DEBUG(security_descriptor, sd);
ret = false;
}
done:
return ret;
}
/*
* Helper function to verify attributes, by querying
* and comparing against the passed in attrib.
*/
bool smb2_util_verify_attrib(TALLOC_CTX *tctx, struct smb2_tree *tree,
struct smb2_handle handle, uint32_t attrib)
{
NTSTATUS status;
bool ret = true;
union smb_fileinfo q = {};
q.standard.level = RAW_FILEINFO_SMB2_ALL_INFORMATION;
q.standard.in.file.handle = handle;
status = smb2_getinfo_file(tree, tctx, &q);
CHECK_STATUS(status, NT_STATUS_OK);
q.all_info2.out.attrib &= ~(FILE_ATTRIBUTE_ARCHIVE | FILE_ATTRIBUTE_NONINDEXED);
if (q.all_info2.out.attrib != attrib) {
torture_warning(tctx, "%s: attributes don't match! "
"got %x, expected %x\n", __location__,
(uint32_t)q.standard.out.attrib,
(uint32_t)attrib);
ret = false;
}
done:
return ret;
}
uint32_t smb2_util_lease_state(const char *ls)
{
uint32_t val = 0;
int i;
for (i = 0; i < strlen(ls); i++) {
switch (ls[i]) {
case 'R':
val |= SMB2_LEASE_READ;
break;
case 'H':
val |= SMB2_LEASE_HANDLE;
break;
case 'W':
val |= SMB2_LEASE_WRITE;
break;
}
}
return val;
}
uint32_t smb2_util_share_access(const char *sharemode)
{
uint32_t val = NTCREATEX_SHARE_ACCESS_NONE; /* 0 */
int i;
for (i = 0; i < strlen(sharemode); i++) {
switch(sharemode[i]) {
case 'R':
val |= NTCREATEX_SHARE_ACCESS_READ;
break;
case 'W':
val |= NTCREATEX_SHARE_ACCESS_WRITE;
break;
case 'D':
val |= NTCREATEX_SHARE_ACCESS_DELETE;
break;
}
}
return val;
}
uint8_t smb2_util_oplock_level(const char *op)
{
uint8_t val = SMB2_OPLOCK_LEVEL_NONE;
int i;
for (i = 0; i < strlen(op); i++) {
switch (op[i]) {
case 's':
return SMB2_OPLOCK_LEVEL_II;
case 'x':
return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
case 'b':
return SMB2_OPLOCK_LEVEL_BATCH;
default:
continue;
}
}
return val;
}
/**
* Helper functions to fill a smb2_create struct for several
* open scenarios.
*/
void smb2_generic_create_share(struct smb2_create *io, struct smb2_lease *ls,
bool dir, const char *name, uint32_t disposition,
uint32_t share_access,
uint8_t oplock, uint64_t leasekey,
uint32_t leasestate)
{
ZERO_STRUCT(*io);
io->in.security_flags = 0x00;
io->in.oplock_level = oplock;
io->in.impersonation_level = NTCREATEX_IMPERSONATION_IMPERSONATION;
io->in.create_flags = 0x00000000;
io->in.reserved = 0x00000000;
io->in.desired_access = SEC_RIGHTS_FILE_ALL;
io->in.file_attributes = FILE_ATTRIBUTE_NORMAL;
io->in.share_access = share_access;
io->in.create_disposition = disposition;
io->in.create_options = NTCREATEX_OPTIONS_SEQUENTIAL_ONLY |
NTCREATEX_OPTIONS_ASYNC_ALERT |
NTCREATEX_OPTIONS_NON_DIRECTORY_FILE |
0x00200000;
io->in.fname = name;
if (dir) {
io->in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
io->in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
io->in.create_disposition = NTCREATEX_DISP_CREATE;
}
if (ls) {
ZERO_STRUCTPN(ls);
ls->lease_key.data[0] = leasekey;
ls->lease_key.data[1] = ~leasekey;
ls->lease_state = leasestate;
io->in.lease_request = ls;
}
}
void smb2_generic_create(struct smb2_create *io, struct smb2_lease *ls,
bool dir, const char *name, uint32_t disposition,
uint8_t oplock, uint64_t leasekey,
uint32_t leasestate)
{
smb2_generic_create_share(io, ls, dir, name, disposition,
smb2_util_share_access("RWD"),
oplock,
leasekey, leasestate);
}
void smb2_lease_create_share(struct smb2_create *io, struct smb2_lease *ls,
bool dir, const char *name, uint32_t share_access,
uint64_t leasekey, uint32_t leasestate)
{
smb2_generic_create_share(io, ls, dir, name, NTCREATEX_DISP_OPEN_IF,
share_access, SMB2_OPLOCK_LEVEL_LEASE,
leasekey, leasestate);
}
void smb2_lease_create(struct smb2_create *io, struct smb2_lease *ls,
bool dir, const char *name, uint64_t leasekey,
uint32_t leasestate)
{
smb2_lease_create_share(io, ls, dir, name,
smb2_util_share_access("RWD"),
leasekey, leasestate);
}
void smb2_lease_v2_create_share(struct smb2_create *io,
struct smb2_lease *ls,
bool dir,
const char *name,
uint32_t share_access,
uint64_t leasekey,
const uint64_t *parentleasekey,
uint32_t leasestate,
uint16_t lease_epoch)
{
smb2_generic_create_share(io, NULL, dir, name, NTCREATEX_DISP_OPEN_IF,
share_access, SMB2_OPLOCK_LEVEL_LEASE, 0, 0);
if (ls) {
ZERO_STRUCT(*ls);
ls->lease_key.data[0] = leasekey;
ls->lease_key.data[1] = ~leasekey;
ls->lease_state = leasestate;
if (parentleasekey != NULL) {
ls->lease_flags |= SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET;
ls->parent_lease_key.data[0] = *parentleasekey;
ls->parent_lease_key.data[1] = ~(*parentleasekey);
}
ls->lease_epoch = lease_epoch;
io->in.lease_request_v2 = ls;
}
}
void smb2_oplock_create_share(struct smb2_create *io, const char *name,
uint32_t share_access, uint8_t oplock)
{
smb2_generic_create_share(io, NULL, false, name, NTCREATEX_DISP_OPEN_IF,
share_access, oplock, 0, 0);
}
void smb2_oplock_create(struct smb2_create *io, const char *name, uint8_t oplock)
{
smb2_oplock_create_share(io, name, smb2_util_share_access("RWD"),
oplock);
}
|