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Fix bug #7234 - Symlink delete fails but incorrectly reports success to client.
[Samba.git] / source3 / libsmb / clifile.c
blob5eb8bd471be1bbb50a7e7efd1f5d1bcea7bf6202
1 /*
2 Unix SMB/CIFS implementation.
3 client file operations
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Jeremy Allison 2001-2009
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22
23 /***********************************************************
24 Common function for pushing stings, used by smb_bytes_push_str()
25 and trans_bytes_push_str(). Only difference is the align_odd
26 parameter setting.
27 ***********************************************************/
28
29 static uint8_t *internal_bytes_push_str(uint8_t *buf, bool ucs2,
30 const char *str, size_t str_len,
31 bool align_odd,
32 size_t *pconverted_size)
33 {
34 size_t buflen;
35 char *converted;
36 size_t converted_size;
37
38 if (buf == NULL) {
39 return NULL;
40 }
41
42 buflen = talloc_get_size(buf);
43
44 if (align_odd && ucs2 && (buflen % 2 == 0)) {
45 /*
46 * We're pushing into an SMB buffer, align odd
47 */
48 buf = TALLOC_REALLOC_ARRAY(NULL, buf, uint8_t, buflen + 1);
49 if (buf == NULL) {
50 return NULL;
51 }
52 buf[buflen] = '\0';
53 buflen += 1;
54 }
55
56 if (!convert_string_talloc(talloc_tos(), CH_UNIX,
57 ucs2 ? CH_UTF16LE : CH_DOS,
58 str, str_len, &converted,
59 &converted_size, true)) {
60 return NULL;
61 }
62
63 buf = TALLOC_REALLOC_ARRAY(NULL, buf, uint8_t,
64 buflen + converted_size);
65 if (buf == NULL) {
66 TALLOC_FREE(converted);
67 return NULL;
68 }
69
70 memcpy(buf + buflen, converted, converted_size);
71
72 TALLOC_FREE(converted);
73
74 if (pconverted_size) {
75 *pconverted_size = converted_size;
76 }
77
78 return buf;
79 }
80
81 /***********************************************************
82 Push a string into an SMB buffer, with odd byte alignment
83 if it's a UCS2 string.
84 ***********************************************************/
85
86 uint8_t *smb_bytes_push_str(uint8_t *buf, bool ucs2,
87 const char *str, size_t str_len,
88 size_t *pconverted_size)
89 {
90 return internal_bytes_push_str(buf, ucs2, str, str_len,
91 true, pconverted_size);
92 }
93
94 /***********************************************************
95 Same as smb_bytes_push_str(), but without the odd byte
96 align for ucs2 (we're pushing into a param or data block).
97 static for now, although this will probably change when
98 other modules use async trans calls.
99 ***********************************************************/
100
101 static uint8_t *trans2_bytes_push_str(uint8_t *buf, bool ucs2,
102 const char *str, size_t str_len,
103 size_t *pconverted_size)
104 {
105 return internal_bytes_push_str(buf, ucs2, str, str_len,
106 false, pconverted_size);
107 }
108
109 /****************************************************************************
110 Hard/Symlink a file (UNIX extensions).
111 Creates new name (sym)linked to oldname.
112 ****************************************************************************/
113
114 struct link_state {
115 uint16_t setup;
116 uint8_t *param;
117 uint8_t *data;
118 };
119
120 static void cli_posix_link_internal_done(struct tevent_req *subreq)
121 {
122 struct tevent_req *req = tevent_req_callback_data(
123 subreq, struct tevent_req);
124 struct link_state *state = tevent_req_data(req, struct link_state);
125 NTSTATUS status;
126
127 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
128 TALLOC_FREE(subreq);
129 if (!NT_STATUS_IS_OK(status)) {
130 tevent_req_nterror(req, status);
131 return;
132 }
133 tevent_req_done(req);
134 }
135
136 static struct tevent_req *cli_posix_link_internal_send(TALLOC_CTX *mem_ctx,
137 struct event_context *ev,
138 struct cli_state *cli,
139 const char *oldname,
140 const char *newname,
141 bool hardlink)
142 {
143 struct tevent_req *req = NULL, *subreq = NULL;
144 struct link_state *state = NULL;
145
146 req = tevent_req_create(mem_ctx, &state, struct link_state);
147 if (req == NULL) {
148 return NULL;
149 }
150
151 /* Setup setup word. */
152 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
153
154 /* Setup param array. */
155 state->param = talloc_array(state, uint8_t, 6);
156 if (tevent_req_nomem(state->param, req)) {
157 return tevent_req_post(req, ev);
158 }
159 memset(state->param, '\0', 6);
160 SSVAL(state->param,0,hardlink ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
161
162 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), newname,
163 strlen(newname)+1, NULL);
164
165 if (tevent_req_nomem(state->param, req)) {
166 return tevent_req_post(req, ev);
167 }
168
169 /* Setup data array. */
170 state->data = talloc_array(state, uint8_t, 0);
171 if (tevent_req_nomem(state->data, req)) {
172 return tevent_req_post(req, ev);
173 }
174 state->data = trans2_bytes_push_str(state->data, cli_ucs2(cli), oldname,
175 strlen(oldname)+1, NULL);
176
177 subreq = cli_trans_send(state, /* mem ctx. */
178 ev, /* event ctx. */
179 cli, /* cli_state. */
180 SMBtrans2, /* cmd. */
181 NULL, /* pipe name. */
182 -1, /* fid. */
183 0, /* function. */
184 0, /* flags. */
185 &state->setup, /* setup. */
186 1, /* num setup uint16_t words. */
187 0, /* max returned setup. */
188 state->param, /* param. */
189 talloc_get_size(state->param), /* num param. */
190 2, /* max returned param. */
191 state->data, /* data. */
192 talloc_get_size(state->data), /* num data. */
193 0); /* max returned data. */
194
195 if (tevent_req_nomem(subreq, req)) {
196 return tevent_req_post(req, ev);
197 }
198 tevent_req_set_callback(subreq, cli_posix_link_internal_done, req);
199 return req;
200 }
201
202 /****************************************************************************
203 Symlink a file (UNIX extensions).
204 ****************************************************************************/
205
206 struct tevent_req *cli_posix_symlink_send(TALLOC_CTX *mem_ctx,
207 struct event_context *ev,
208 struct cli_state *cli,
209 const char *oldname,
210 const char *newname)
211 {
212 return cli_posix_link_internal_send(mem_ctx, ev, cli,
213 oldname, newname, false);
214 }
215
216 NTSTATUS cli_posix_symlink_recv(struct tevent_req *req)
217 {
218 NTSTATUS status;
219
220 if (tevent_req_is_nterror(req, &status)) {
221 return status;
222 }
223 return NT_STATUS_OK;
224 }
225
226 NTSTATUS cli_posix_symlink(struct cli_state *cli,
227 const char *oldname,
228 const char *newname)
229 {
230 TALLOC_CTX *frame = talloc_stackframe();
231 struct event_context *ev = NULL;
232 struct tevent_req *req = NULL;
233 NTSTATUS status = NT_STATUS_OK;
234
235 if (cli_has_async_calls(cli)) {
236 /*
237 * Can't use sync call while an async call is in flight
238 */
239 status = NT_STATUS_INVALID_PARAMETER;
240 goto fail;
241 }
242
243 ev = event_context_init(frame);
244 if (ev == NULL) {
245 status = NT_STATUS_NO_MEMORY;
246 goto fail;
247 }
248
249 req = cli_posix_symlink_send(frame,
250 ev,
251 cli,
252 oldname,
253 newname);
254 if (req == NULL) {
255 status = NT_STATUS_NO_MEMORY;
256 goto fail;
257 }
258
259 if (!tevent_req_poll(req, ev)) {
260 status = map_nt_error_from_unix(errno);
261 goto fail;
262 }
263
264 status = cli_posix_symlink_recv(req);
265
266 fail:
267 TALLOC_FREE(frame);
268 if (!NT_STATUS_IS_OK(status)) {
269 cli_set_error(cli, status);
270 }
271 return status;
272 }
273
274 /****************************************************************************
275 Read a POSIX symlink.
276 ****************************************************************************/
277
278 struct readlink_state {
279 uint16_t setup;
280 uint8_t *param;
281 uint8_t *data;
282 uint32_t num_data;
283 };
284
285 static void cli_posix_readlink_done(struct tevent_req *subreq)
286 {
287 struct tevent_req *req = tevent_req_callback_data(
288 subreq, struct tevent_req);
289 struct readlink_state *state = tevent_req_data(req, struct readlink_state);
290 NTSTATUS status;
291
292 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL,
293 &state->data, &state->num_data);
294 TALLOC_FREE(subreq);
295 if (!NT_STATUS_IS_OK(status)) {
296 tevent_req_nterror(req, status);
297 return;
298 }
299 if (state->num_data == 0) {
300 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
301 return;
302 }
303 if (state->data[state->num_data-1] != '\0') {
304 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
305 return;
306 }
307 tevent_req_done(req);
308 }
309
310 struct tevent_req *cli_posix_readlink_send(TALLOC_CTX *mem_ctx,
311 struct event_context *ev,
312 struct cli_state *cli,
313 const char *fname,
314 size_t len)
315 {
316 struct tevent_req *req = NULL, *subreq = NULL;
317 struct readlink_state *state = NULL;
318 uint32_t maxbytelen = (uint32_t)(cli_ucs2(cli) ? len*3 : len);
319
320 if (maxbytelen < len) {
321 return NULL;
322 }
323
324 req = tevent_req_create(mem_ctx, &state, struct readlink_state);
325 if (req == NULL) {
326 return NULL;
327 }
328
329 /* Setup setup word. */
330 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
331
332 /* Setup param array. */
333 state->param = talloc_array(state, uint8_t, 6);
334 if (tevent_req_nomem(state->param, req)) {
335 return tevent_req_post(req, ev);
336 }
337 memset(state->param, '\0', 6);
338 SSVAL(state->param,0,SMB_QUERY_FILE_UNIX_LINK);
339
340 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
341 strlen(fname)+1, NULL);
342
343 if (tevent_req_nomem(state->param, req)) {
344 return tevent_req_post(req, ev);
345 }
346
347 subreq = cli_trans_send(state, /* mem ctx. */
348 ev, /* event ctx. */
349 cli, /* cli_state. */
350 SMBtrans2, /* cmd. */
351 NULL, /* pipe name. */
352 -1, /* fid. */
353 0, /* function. */
354 0, /* flags. */
355 &state->setup, /* setup. */
356 1, /* num setup uint16_t words. */
357 0, /* max returned setup. */
358 state->param, /* param. */
359 talloc_get_size(state->param), /* num param. */
360 2, /* max returned param. */
361 NULL, /* data. */
362 0, /* num data. */
363 maxbytelen); /* max returned data. */
364
365 if (tevent_req_nomem(subreq, req)) {
366 return tevent_req_post(req, ev);
367 }
368 tevent_req_set_callback(subreq, cli_posix_readlink_done, req);
369 return req;
370 }
371
372 NTSTATUS cli_posix_readlink_recv(struct tevent_req *req, struct cli_state *cli,
373 char *retpath, size_t len)
374 {
375 NTSTATUS status;
376 char *converted = NULL;
377 size_t converted_size = 0;
378 struct readlink_state *state = tevent_req_data(req, struct readlink_state);
379
380 if (tevent_req_is_nterror(req, &status)) {
381 return status;
382 }
383 /* The returned data is a pushed string, not raw data. */
384 if (!convert_string_talloc(state,
385 cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
386 CH_UNIX,
387 state->data,
388 state->num_data,
389 &converted,
390 &converted_size,
391 true)) {
392 return NT_STATUS_NO_MEMORY;
393 }
394
395 len = MIN(len,converted_size);
396 if (len == 0) {
397 return NT_STATUS_DATA_ERROR;
398 }
399 memcpy(retpath, converted, len);
400 return NT_STATUS_OK;
401 }
402
403 NTSTATUS cli_posix_readlink(struct cli_state *cli, const char *fname,
404 char *linkpath, size_t len)
405 {
406 TALLOC_CTX *frame = talloc_stackframe();
407 struct event_context *ev = NULL;
408 struct tevent_req *req = NULL;
409 NTSTATUS status = NT_STATUS_OK;
410
411 if (cli_has_async_calls(cli)) {
412 /*
413 * Can't use sync call while an async call is in flight
414 */
415 status = NT_STATUS_INVALID_PARAMETER;
416 goto fail;
417 }
418
419 ev = event_context_init(frame);
420 if (ev == NULL) {
421 status = NT_STATUS_NO_MEMORY;
422 goto fail;
423 }
424
425 /* Len is in bytes, we need it in UCS2 units. */
426 if (2*len < len) {
427 status = NT_STATUS_INVALID_PARAMETER;
428 goto fail;
429 }
430
431 req = cli_posix_readlink_send(frame,
432 ev,
433 cli,
434 fname,
435 len);
436 if (req == NULL) {
437 status = NT_STATUS_NO_MEMORY;
438 goto fail;
439 }
440
441 if (!tevent_req_poll(req, ev)) {
442 status = map_nt_error_from_unix(errno);
443 goto fail;
444 }
445
446 status = cli_posix_readlink_recv(req, cli, linkpath, len);
447
448 fail:
449 TALLOC_FREE(frame);
450 if (!NT_STATUS_IS_OK(status)) {
451 cli_set_error(cli, status);
452 }
453 return status;
454 }
455
456 /****************************************************************************
457 Hard link a file (UNIX extensions).
458 ****************************************************************************/
459
460 struct tevent_req *cli_posix_hardlink_send(TALLOC_CTX *mem_ctx,
461 struct event_context *ev,
462 struct cli_state *cli,
463 const char *oldname,
464 const char *newname)
465 {
466 return cli_posix_link_internal_send(mem_ctx, ev, cli,
467 oldname, newname, true);
468 }
469
470 NTSTATUS cli_posix_hardlink_recv(struct tevent_req *req)
471 {
472 NTSTATUS status;
473
474 if (tevent_req_is_nterror(req, &status)) {
475 return status;
476 }
477 return NT_STATUS_OK;
478 }
479
480 NTSTATUS cli_posix_hardlink(struct cli_state *cli,
481 const char *oldname,
482 const char *newname)
483 {
484 TALLOC_CTX *frame = talloc_stackframe();
485 struct event_context *ev = NULL;
486 struct tevent_req *req = NULL;
487 NTSTATUS status = NT_STATUS_OK;
488
489 if (cli_has_async_calls(cli)) {
490 /*
491 * Can't use sync call while an async call is in flight
492 */
493 status = NT_STATUS_INVALID_PARAMETER;
494 goto fail;
495 }
496
497 ev = event_context_init(frame);
498 if (ev == NULL) {
499 status = NT_STATUS_NO_MEMORY;
500 goto fail;
501 }
502
503 req = cli_posix_hardlink_send(frame,
504 ev,
505 cli,
506 oldname,
507 newname);
508 if (req == NULL) {
509 status = NT_STATUS_NO_MEMORY;
510 goto fail;
511 }
512
513 if (!tevent_req_poll(req, ev)) {
514 status = map_nt_error_from_unix(errno);
515 goto fail;
516 }
517
518 status = cli_posix_hardlink_recv(req);
519
520 fail:
521 TALLOC_FREE(frame);
522 if (!NT_STATUS_IS_OK(status)) {
523 cli_set_error(cli, status);
524 }
525 return status;
526 }
527
528 /****************************************************************************
529 Map standard UNIX permissions onto wire representations.
530 ****************************************************************************/
531
532 uint32_t unix_perms_to_wire(mode_t perms)
533 {
534 unsigned int ret = 0;
535
536 ret |= ((perms & S_IXOTH) ? UNIX_X_OTH : 0);
537 ret |= ((perms & S_IWOTH) ? UNIX_W_OTH : 0);
538 ret |= ((perms & S_IROTH) ? UNIX_R_OTH : 0);
539 ret |= ((perms & S_IXGRP) ? UNIX_X_GRP : 0);
540 ret |= ((perms & S_IWGRP) ? UNIX_W_GRP : 0);
541 ret |= ((perms & S_IRGRP) ? UNIX_R_GRP : 0);
542 ret |= ((perms & S_IXUSR) ? UNIX_X_USR : 0);
543 ret |= ((perms & S_IWUSR) ? UNIX_W_USR : 0);
544 ret |= ((perms & S_IRUSR) ? UNIX_R_USR : 0);
545 #ifdef S_ISVTX
546 ret |= ((perms & S_ISVTX) ? UNIX_STICKY : 0);
547 #endif
548 #ifdef S_ISGID
549 ret |= ((perms & S_ISGID) ? UNIX_SET_GID : 0);
550 #endif
551 #ifdef S_ISUID
552 ret |= ((perms & S_ISUID) ? UNIX_SET_UID : 0);
553 #endif
554 return ret;
555 }
556
557 /****************************************************************************
558 Map wire permissions to standard UNIX.
559 ****************************************************************************/
560
561 mode_t wire_perms_to_unix(uint32_t perms)
562 {
563 mode_t ret = (mode_t)0;
564
565 ret |= ((perms & UNIX_X_OTH) ? S_IXOTH : 0);
566 ret |= ((perms & UNIX_W_OTH) ? S_IWOTH : 0);
567 ret |= ((perms & UNIX_R_OTH) ? S_IROTH : 0);
568 ret |= ((perms & UNIX_X_GRP) ? S_IXGRP : 0);
569 ret |= ((perms & UNIX_W_GRP) ? S_IWGRP : 0);
570 ret |= ((perms & UNIX_R_GRP) ? S_IRGRP : 0);
571 ret |= ((perms & UNIX_X_USR) ? S_IXUSR : 0);
572 ret |= ((perms & UNIX_W_USR) ? S_IWUSR : 0);
573 ret |= ((perms & UNIX_R_USR) ? S_IRUSR : 0);
574 #ifdef S_ISVTX
575 ret |= ((perms & UNIX_STICKY) ? S_ISVTX : 0);
576 #endif
577 #ifdef S_ISGID
578 ret |= ((perms & UNIX_SET_GID) ? S_ISGID : 0);
579 #endif
580 #ifdef S_ISUID
581 ret |= ((perms & UNIX_SET_UID) ? S_ISUID : 0);
582 #endif
583 return ret;
584 }
585
586 /****************************************************************************
587 Return the file type from the wire filetype for UNIX extensions.
588 ****************************************************************************/
589
590 static mode_t unix_filetype_from_wire(uint32_t wire_type)
591 {
592 switch (wire_type) {
593 case UNIX_TYPE_FILE:
594 return S_IFREG;
595 case UNIX_TYPE_DIR:
596 return S_IFDIR;
597 #ifdef S_IFLNK
598 case UNIX_TYPE_SYMLINK:
599 return S_IFLNK;
600 #endif
601 #ifdef S_IFCHR
602 case UNIX_TYPE_CHARDEV:
603 return S_IFCHR;
604 #endif
605 #ifdef S_IFBLK
606 case UNIX_TYPE_BLKDEV:
607 return S_IFBLK;
608 #endif
609 #ifdef S_IFIFO
610 case UNIX_TYPE_FIFO:
611 return S_IFIFO;
612 #endif
613 #ifdef S_IFSOCK
614 case UNIX_TYPE_SOCKET:
615 return S_IFSOCK;
616 #endif
617 default:
618 return (mode_t)0;
619 }
620 }
621
622 /****************************************************************************
623 Do a POSIX getfacl (UNIX extensions).
624 ****************************************************************************/
625
626 struct getfacl_state {
627 uint16_t setup;
628 uint8_t *param;
629 uint32_t num_data;
630 uint8_t *data;
631 };
632
633 static void cli_posix_getfacl_done(struct tevent_req *subreq)
634 {
635 struct tevent_req *req = tevent_req_callback_data(
636 subreq, struct tevent_req);
637 struct getfacl_state *state = tevent_req_data(req, struct getfacl_state);
638 NTSTATUS status;
639
640 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL,
641 &state->data, &state->num_data);
642 TALLOC_FREE(subreq);
643 if (!NT_STATUS_IS_OK(status)) {
644 tevent_req_nterror(req, status);
645 return;
646 }
647 tevent_req_done(req);
648 }
649
650 struct tevent_req *cli_posix_getfacl_send(TALLOC_CTX *mem_ctx,
651 struct event_context *ev,
652 struct cli_state *cli,
653 const char *fname)
654 {
655 struct tevent_req *req = NULL, *subreq = NULL;
656 struct link_state *state = NULL;
657
658 req = tevent_req_create(mem_ctx, &state, struct getfacl_state);
659 if (req == NULL) {
660 return NULL;
661 }
662
663 /* Setup setup word. */
664 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
665
666 /* Setup param array. */
667 state->param = talloc_array(state, uint8_t, 6);
668 if (tevent_req_nomem(state->param, req)) {
669 return tevent_req_post(req, ev);
670 }
671 memset(state->param, '\0', 6);
672 SSVAL(state->param, 0, SMB_QUERY_POSIX_ACL);
673
674 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
675 strlen(fname)+1, NULL);
676
677 if (tevent_req_nomem(state->param, req)) {
678 return tevent_req_post(req, ev);
679 }
680
681 subreq = cli_trans_send(state, /* mem ctx. */
682 ev, /* event ctx. */
683 cli, /* cli_state. */
684 SMBtrans2, /* cmd. */
685 NULL, /* pipe name. */
686 -1, /* fid. */
687 0, /* function. */
688 0, /* flags. */
689 &state->setup, /* setup. */
690 1, /* num setup uint16_t words. */
691 0, /* max returned setup. */
692 state->param, /* param. */
693 talloc_get_size(state->param), /* num param. */
694 2, /* max returned param. */
695 NULL, /* data. */
696 0, /* num data. */
697 cli->max_xmit); /* max returned data. */
698
699 if (tevent_req_nomem(subreq, req)) {
700 return tevent_req_post(req, ev);
701 }
702 tevent_req_set_callback(subreq, cli_posix_getfacl_done, req);
703 return req;
704 }
705
706 NTSTATUS cli_posix_getfacl_recv(struct tevent_req *req,
707 TALLOC_CTX *mem_ctx,
708 size_t *prb_size,
709 char **retbuf)
710 {
711 struct getfacl_state *state = tevent_req_data(req, struct getfacl_state);
712 NTSTATUS status;
713
714 if (tevent_req_is_nterror(req, &status)) {
715 return status;
716 }
717 *prb_size = (size_t)state->num_data;
718 *retbuf = (char *)talloc_move(mem_ctx, &state->data);
719 return NT_STATUS_OK;
720 }
721
722 NTSTATUS cli_posix_getfacl(struct cli_state *cli,
723 const char *fname,
724 TALLOC_CTX *mem_ctx,
725 size_t *prb_size,
726 char **retbuf)
727 {
728 TALLOC_CTX *frame = talloc_stackframe();
729 struct event_context *ev = NULL;
730 struct tevent_req *req = NULL;
731 NTSTATUS status = NT_STATUS_OK;
732
733 if (cli_has_async_calls(cli)) {
734 /*
735 * Can't use sync call while an async call is in flight
736 */
737 status = NT_STATUS_INVALID_PARAMETER;
738 goto fail;
739 }
740
741 ev = event_context_init(frame);
742 if (ev == NULL) {
743 status = NT_STATUS_NO_MEMORY;
744 goto fail;
745 }
746
747 req = cli_posix_getfacl_send(frame,
748 ev,
749 cli,
750 fname);
751 if (req == NULL) {
752 status = NT_STATUS_NO_MEMORY;
753 goto fail;
754 }
755
756 if (!tevent_req_poll(req, ev)) {
757 status = map_nt_error_from_unix(errno);
758 goto fail;
759 }
760
761 status = cli_posix_getfacl_recv(req, mem_ctx, prb_size, retbuf);
762
763 fail:
764 TALLOC_FREE(frame);
765 if (!NT_STATUS_IS_OK(status)) {
766 cli_set_error(cli, status);
767 }
768 return status;
769 }
770
771 /****************************************************************************
772 Stat a file (UNIX extensions).
773 ****************************************************************************/
774
775 struct stat_state {
776 uint16_t setup;
777 uint8_t *param;
778 uint32_t num_data;
779 uint8_t *data;
780 };
781
782 static void cli_posix_stat_done(struct tevent_req *subreq)
783 {
784 struct tevent_req *req = tevent_req_callback_data(
785 subreq, struct tevent_req);
786 struct stat_state *state = tevent_req_data(req, struct stat_state);
787 NTSTATUS status;
788
789 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL,
790 &state->data, &state->num_data);
791 TALLOC_FREE(subreq);
792 if (!NT_STATUS_IS_OK(status)) {
793 tevent_req_nterror(req, status);
794 return;
795 }
796 tevent_req_done(req);
797 }
798
799 struct tevent_req *cli_posix_stat_send(TALLOC_CTX *mem_ctx,
800 struct event_context *ev,
801 struct cli_state *cli,
802 const char *fname)
803 {
804 struct tevent_req *req = NULL, *subreq = NULL;
805 struct stat_state *state = NULL;
806
807 req = tevent_req_create(mem_ctx, &state, struct stat_state);
808 if (req == NULL) {
809 return NULL;
810 }
811
812 /* Setup setup word. */
813 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
814
815 /* Setup param array. */
816 state->param = talloc_array(state, uint8_t, 6);
817 if (tevent_req_nomem(state->param, req)) {
818 return tevent_req_post(req, ev);
819 }
820 memset(state->param, '\0', 6);
821 SSVAL(state->param, 0, SMB_QUERY_FILE_UNIX_BASIC);
822
823 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
824 strlen(fname)+1, NULL);
825
826 if (tevent_req_nomem(state->param, req)) {
827 return tevent_req_post(req, ev);
828 }
829
830 subreq = cli_trans_send(state, /* mem ctx. */
831 ev, /* event ctx. */
832 cli, /* cli_state. */
833 SMBtrans2, /* cmd. */
834 NULL, /* pipe name. */
835 -1, /* fid. */
836 0, /* function. */
837 0, /* flags. */
838 &state->setup, /* setup. */
839 1, /* num setup uint16_t words. */
840 0, /* max returned setup. */
841 state->param, /* param. */
842 talloc_get_size(state->param), /* num param. */
843 2, /* max returned param. */
844 NULL, /* data. */
845 0, /* num data. */
846 96); /* max returned data. */
847
848 if (tevent_req_nomem(subreq, req)) {
849 return tevent_req_post(req, ev);
850 }
851 tevent_req_set_callback(subreq, cli_posix_stat_done, req);
852 return req;
853 }
854
855 NTSTATUS cli_posix_stat_recv(struct tevent_req *req,
856 SMB_STRUCT_STAT *sbuf)
857 {
858 struct stat_state *state = tevent_req_data(req, struct stat_state);
859 NTSTATUS status;
860
861 if (tevent_req_is_nterror(req, &status)) {
862 return status;
863 }
864
865 if (state->num_data != 96) {
866 return NT_STATUS_DATA_ERROR;
867 }
868
869 sbuf->st_ex_size = IVAL2_TO_SMB_BIG_UINT(state->data,0); /* total size, in bytes */
870 sbuf->st_ex_blocks = IVAL2_TO_SMB_BIG_UINT(state->data,8); /* number of blocks allocated */
871 #if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
872 sbuf->st_ex_blocks /= STAT_ST_BLOCKSIZE;
873 #else
874 /* assume 512 byte blocks */
875 sbuf->st_ex_blocks /= 512;
876 #endif
877 sbuf->st_ex_ctime = interpret_long_date((char *)(state->data + 16)); /* time of last change */
878 sbuf->st_ex_atime = interpret_long_date((char *)(state->data + 24)); /* time of last access */
879 sbuf->st_ex_mtime = interpret_long_date((char *)(state->data + 32)); /* time of last modification */
880
881 sbuf->st_ex_uid = (uid_t) IVAL(state->data,40); /* user ID of owner */
882 sbuf->st_ex_gid = (gid_t) IVAL(state->data,48); /* group ID of owner */
883 sbuf->st_ex_mode = unix_filetype_from_wire(IVAL(state->data, 56));
884 #if defined(HAVE_MAKEDEV)
885 {
886 uint32_t dev_major = IVAL(state->data,60);
887 uint32_t dev_minor = IVAL(state->data,68);
888 sbuf->st_ex_rdev = makedev(dev_major, dev_minor);
889 }
890 #endif
891 sbuf->st_ex_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(state->data,76); /* inode */
892 sbuf->st_ex_mode |= wire_perms_to_unix(IVAL(state->data,84)); /* protection */
893 sbuf->st_ex_nlink = IVAL(state->data,92); /* number of hard links */
894
895 return NT_STATUS_OK;
896 }
897
898 NTSTATUS cli_posix_stat(struct cli_state *cli,
899 const char *fname,
900 SMB_STRUCT_STAT *sbuf)
901 {
902 TALLOC_CTX *frame = talloc_stackframe();
903 struct event_context *ev = NULL;
904 struct tevent_req *req = NULL;
905 NTSTATUS status = NT_STATUS_OK;
906
907 if (cli_has_async_calls(cli)) {
908 /*
909 * Can't use sync call while an async call is in flight
910 */
911 status = NT_STATUS_INVALID_PARAMETER;
912 goto fail;
913 }
914
915 ev = event_context_init(frame);
916 if (ev == NULL) {
917 status = NT_STATUS_NO_MEMORY;
918 goto fail;
919 }
920
921 req = cli_posix_stat_send(frame,
922 ev,
923 cli,
924 fname);
925 if (req == NULL) {
926 status = NT_STATUS_NO_MEMORY;
927 goto fail;
928 }
929
930 if (!tevent_req_poll(req, ev)) {
931 status = map_nt_error_from_unix(errno);
932 goto fail;
933 }
934
935 status = cli_posix_stat_recv(req, sbuf);
936
937 fail:
938 TALLOC_FREE(frame);
939 if (!NT_STATUS_IS_OK(status)) {
940 cli_set_error(cli, status);
941 }
942 return status;
943 }
944
945 /****************************************************************************
946 Chmod or chown a file internal (UNIX extensions).
947 ****************************************************************************/
948
949 struct ch_state {
950 uint16_t setup;
951 uint8_t *param;
952 uint8_t *data;
953 };
954
955 static void cli_posix_chown_chmod_internal_done(struct tevent_req *subreq)
956 {
957 struct tevent_req *req = tevent_req_callback_data(
958 subreq, struct tevent_req);
959 struct ch_state *state = tevent_req_data(req, struct ch_state);
960 NTSTATUS status;
961
962 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
963 TALLOC_FREE(subreq);
964 if (!NT_STATUS_IS_OK(status)) {
965 tevent_req_nterror(req, status);
966 return;
967 }
968 tevent_req_done(req);
969 }
970
971 static struct tevent_req *cli_posix_chown_chmod_internal_send(TALLOC_CTX *mem_ctx,
972 struct event_context *ev,
973 struct cli_state *cli,
974 const char *fname,
975 uint32_t mode,
976 uint32_t uid,
977 uint32_t gid)
978 {
979 struct tevent_req *req = NULL, *subreq = NULL;
980 struct ch_state *state = NULL;
981
982 req = tevent_req_create(mem_ctx, &state, struct ch_state);
983 if (req == NULL) {
984 return NULL;
985 }
986
987 /* Setup setup word. */
988 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
989
990 /* Setup param array. */
991 state->param = talloc_array(state, uint8_t, 6);
992 if (tevent_req_nomem(state->param, req)) {
993 return tevent_req_post(req, ev);
994 }
995 memset(state->param, '\0', 6);
996 SSVAL(state->param,0,SMB_SET_FILE_UNIX_BASIC);
997
998 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
999 strlen(fname)+1, NULL);
1000
1001 if (tevent_req_nomem(state->param, req)) {
1002 return tevent_req_post(req, ev);
1003 }
1004
1005 /* Setup data array. */
1006 state->data = talloc_array(state, uint8_t, 100);
1007 if (tevent_req_nomem(state->data, req)) {
1008 return tevent_req_post(req, ev);
1009 }
1010 memset(state->data, 0xff, 40); /* Set all sizes/times to no change. */
1011 memset(&state->data[40], '\0', 60);
1012 SIVAL(state->data,40,uid);
1013 SIVAL(state->data,48,gid);
1014 SIVAL(state->data,84,mode);
1015
1016 subreq = cli_trans_send(state, /* mem ctx. */
1017 ev, /* event ctx. */
1018 cli, /* cli_state. */
1019 SMBtrans2, /* cmd. */
1020 NULL, /* pipe name. */
1021 -1, /* fid. */
1022 0, /* function. */
1023 0, /* flags. */
1024 &state->setup, /* setup. */
1025 1, /* num setup uint16_t words. */
1026 0, /* max returned setup. */
1027 state->param, /* param. */
1028 talloc_get_size(state->param), /* num param. */
1029 2, /* max returned param. */
1030 state->data, /* data. */
1031 talloc_get_size(state->data), /* num data. */
1032 0); /* max returned data. */
1033
1034 if (tevent_req_nomem(subreq, req)) {
1035 return tevent_req_post(req, ev);
1036 }
1037 tevent_req_set_callback(subreq, cli_posix_chown_chmod_internal_done, req);
1038 return req;
1039 }
1040
1041 /****************************************************************************
1042 chmod a file (UNIX extensions).
1043 ****************************************************************************/
1044
1045 struct tevent_req *cli_posix_chmod_send(TALLOC_CTX *mem_ctx,
1046 struct event_context *ev,
1047 struct cli_state *cli,
1048 const char *fname,
1049 mode_t mode)
1050 {
1051 return cli_posix_chown_chmod_internal_send(mem_ctx, ev, cli,
1052 fname,
1053 unix_perms_to_wire(mode),
1054 SMB_UID_NO_CHANGE,
1055 SMB_GID_NO_CHANGE);
1056 }
1057
1058 NTSTATUS cli_posix_chmod_recv(struct tevent_req *req)
1059 {
1060 NTSTATUS status;
1061
1062 if (tevent_req_is_nterror(req, &status)) {
1063 return status;
1064 }
1065 return NT_STATUS_OK;
1066 }
1067
1068 NTSTATUS cli_posix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
1069 {
1070 TALLOC_CTX *frame = talloc_stackframe();
1071 struct event_context *ev = NULL;
1072 struct tevent_req *req = NULL;
1073 NTSTATUS status = NT_STATUS_OK;
1074
1075 if (cli_has_async_calls(cli)) {
1076 /*
1077 * Can't use sync call while an async call is in flight
1078 */
1079 status = NT_STATUS_INVALID_PARAMETER;
1080 goto fail;
1081 }
1082
1083 ev = event_context_init(frame);
1084 if (ev == NULL) {
1085 status = NT_STATUS_NO_MEMORY;
1086 goto fail;
1087 }
1088
1089 req = cli_posix_chmod_send(frame,
1090 ev,
1091 cli,
1092 fname,
1093 mode);
1094 if (req == NULL) {
1095 status = NT_STATUS_NO_MEMORY;
1096 goto fail;
1097 }
1098
1099 if (!tevent_req_poll(req, ev)) {
1100 status = map_nt_error_from_unix(errno);
1101 goto fail;
1102 }
1103
1104 status = cli_posix_chmod_recv(req);
1105
1106 fail:
1107 TALLOC_FREE(frame);
1108 if (!NT_STATUS_IS_OK(status)) {
1109 cli_set_error(cli, status);
1110 }
1111 return status;
1112 }
1113
1114 /****************************************************************************
1115 chown a file (UNIX extensions).
1116 ****************************************************************************/
1117
1118 struct tevent_req *cli_posix_chown_send(TALLOC_CTX *mem_ctx,
1119 struct event_context *ev,
1120 struct cli_state *cli,
1121 const char *fname,
1122 uid_t uid,
1123 gid_t gid)
1124 {
1125 return cli_posix_chown_chmod_internal_send(mem_ctx, ev, cli,
1126 fname,
1127 SMB_MODE_NO_CHANGE,
1128 (uint32_t)uid,
1129 (uint32_t)gid);
1130 }
1131
1132 NTSTATUS cli_posix_chown_recv(struct tevent_req *req)
1133 {
1134 NTSTATUS status;
1135
1136 if (tevent_req_is_nterror(req, &status)) {
1137 return status;
1138 }
1139 return NT_STATUS_OK;
1140 }
1141
1142 NTSTATUS cli_posix_chown(struct cli_state *cli,
1143 const char *fname,
1144 uid_t uid,
1145 gid_t gid)
1146 {
1147 TALLOC_CTX *frame = talloc_stackframe();
1148 struct event_context *ev = NULL;
1149 struct tevent_req *req = NULL;
1150 NTSTATUS status = NT_STATUS_OK;
1151
1152 if (cli_has_async_calls(cli)) {
1153 /*
1154 * Can't use sync call while an async call is in flight
1155 */
1156 status = NT_STATUS_INVALID_PARAMETER;
1157 goto fail;
1158 }
1159
1160 ev = event_context_init(frame);
1161 if (ev == NULL) {
1162 status = NT_STATUS_NO_MEMORY;
1163 goto fail;
1164 }
1165
1166 req = cli_posix_chown_send(frame,
1167 ev,
1168 cli,
1169 fname,
1170 uid,
1171 gid);
1172 if (req == NULL) {
1173 status = NT_STATUS_NO_MEMORY;
1174 goto fail;
1175 }
1176
1177 if (!tevent_req_poll(req, ev)) {
1178 status = map_nt_error_from_unix(errno);
1179 goto fail;
1180 }
1181
1182 status = cli_posix_chown_recv(req);
1183
1184 fail:
1185 TALLOC_FREE(frame);
1186 if (!NT_STATUS_IS_OK(status)) {
1187 cli_set_error(cli, status);
1188 }
1189 return status;
1190 }
1191
1192 /****************************************************************************
1193 Rename a file.
1194 ****************************************************************************/
1195
1196 static void cli_rename_done(struct tevent_req *subreq);
1197
1198 struct cli_rename_state {
1199 uint16_t vwv[1];
1200 };
1201
1202 struct tevent_req *cli_rename_send(TALLOC_CTX *mem_ctx,
1203 struct event_context *ev,
1204 struct cli_state *cli,
1205 const char *fname_src,
1206 const char *fname_dst)
1207 {
1208 struct tevent_req *req = NULL, *subreq = NULL;
1209 struct cli_rename_state *state = NULL;
1210 uint8_t additional_flags = 0;
1211 uint8_t *bytes = NULL;
1212
1213 req = tevent_req_create(mem_ctx, &state, struct cli_rename_state);
1214 if (req == NULL) {
1215 return NULL;
1216 }
1217
1218 SSVAL(state->vwv+0, 0, aSYSTEM | aHIDDEN | aDIR);
1219
1220 bytes = talloc_array(state, uint8_t, 1);
1221 if (tevent_req_nomem(bytes, req)) {
1222 return tevent_req_post(req, ev);
1223 }
1224 bytes[0] = 4;
1225 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_src,
1226 strlen(fname_src)+1, NULL);
1227 if (tevent_req_nomem(bytes, req)) {
1228 return tevent_req_post(req, ev);
1229 }
1230
1231 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
1232 talloc_get_size(bytes)+1);
1233 if (tevent_req_nomem(bytes, req)) {
1234 return tevent_req_post(req, ev);
1235 }
1236
1237 bytes[talloc_get_size(bytes)-1] = 4;
1238 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_dst,
1239 strlen(fname_dst)+1, NULL);
1240 if (tevent_req_nomem(bytes, req)) {
1241 return tevent_req_post(req, ev);
1242 }
1243
1244 subreq = cli_smb_send(state, ev, cli, SMBmv, additional_flags,
1245 1, state->vwv, talloc_get_size(bytes), bytes);
1246 if (tevent_req_nomem(subreq, req)) {
1247 return tevent_req_post(req, ev);
1248 }
1249 tevent_req_set_callback(subreq, cli_rename_done, req);
1250 return req;
1251 }
1252
1253 static void cli_rename_done(struct tevent_req *subreq)
1254 {
1255 struct tevent_req *req = tevent_req_callback_data(
1256 subreq, struct tevent_req);
1257 NTSTATUS status;
1258
1259 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1260 TALLOC_FREE(subreq);
1261 if (!NT_STATUS_IS_OK(status)) {
1262 tevent_req_nterror(req, status);
1263 return;
1264 }
1265 tevent_req_done(req);
1266 }
1267
1268 NTSTATUS cli_rename_recv(struct tevent_req *req)
1269 {
1270 return tevent_req_simple_recv_ntstatus(req);
1271 }
1272
1273 NTSTATUS cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1274 {
1275 TALLOC_CTX *frame = talloc_stackframe();
1276 struct event_context *ev;
1277 struct tevent_req *req;
1278 NTSTATUS status = NT_STATUS_OK;
1279
1280 if (cli_has_async_calls(cli)) {
1281 /*
1282 * Can't use sync call while an async call is in flight
1283 */
1284 status = NT_STATUS_INVALID_PARAMETER;
1285 goto fail;
1286 }
1287
1288 ev = event_context_init(frame);
1289 if (ev == NULL) {
1290 status = NT_STATUS_NO_MEMORY;
1291 goto fail;
1292 }
1293
1294 req = cli_rename_send(frame, ev, cli, fname_src, fname_dst);
1295 if (req == NULL) {
1296 status = NT_STATUS_NO_MEMORY;
1297 goto fail;
1298 }
1299
1300 if (!tevent_req_poll(req, ev)) {
1301 status = map_nt_error_from_unix(errno);
1302 goto fail;
1303 }
1304
1305 status = cli_rename_recv(req);
1306
1307 fail:
1308 TALLOC_FREE(frame);
1309 if (!NT_STATUS_IS_OK(status)) {
1310 cli_set_error(cli, status);
1311 }
1312 return status;
1313 }
1314
1315 /****************************************************************************
1316 NT Rename a file.
1317 ****************************************************************************/
1318
1319 static void cli_ntrename_internal_done(struct tevent_req *subreq);
1320
1321 struct cli_ntrename_internal_state {
1322 uint16_t vwv[4];
1323 };
1324
1325 static struct tevent_req *cli_ntrename_internal_send(TALLOC_CTX *mem_ctx,
1326 struct event_context *ev,
1327 struct cli_state *cli,
1328 const char *fname_src,
1329 const char *fname_dst,
1330 uint16_t rename_flag)
1331 {
1332 struct tevent_req *req = NULL, *subreq = NULL;
1333 struct cli_ntrename_internal_state *state = NULL;
1334 uint8_t additional_flags = 0;
1335 uint8_t *bytes = NULL;
1336
1337 req = tevent_req_create(mem_ctx, &state,
1338 struct cli_ntrename_internal_state);
1339 if (req == NULL) {
1340 return NULL;
1341 }
1342
1343 SSVAL(state->vwv+0, 0 ,aSYSTEM | aHIDDEN | aDIR);
1344 SSVAL(state->vwv+1, 0, rename_flag);
1345
1346 bytes = talloc_array(state, uint8_t, 1);
1347 if (tevent_req_nomem(bytes, req)) {
1348 return tevent_req_post(req, ev);
1349 }
1350 bytes[0] = 4;
1351 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_src,
1352 strlen(fname_src)+1, NULL);
1353 if (tevent_req_nomem(bytes, req)) {
1354 return tevent_req_post(req, ev);
1355 }
1356
1357 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
1358 talloc_get_size(bytes)+1);
1359 if (tevent_req_nomem(bytes, req)) {
1360 return tevent_req_post(req, ev);
1361 }
1362
1363 bytes[talloc_get_size(bytes)-1] = 4;
1364 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_dst,
1365 strlen(fname_dst)+1, NULL);
1366 if (tevent_req_nomem(bytes, req)) {
1367 return tevent_req_post(req, ev);
1368 }
1369
1370 subreq = cli_smb_send(state, ev, cli, SMBntrename, additional_flags,
1371 4, state->vwv, talloc_get_size(bytes), bytes);
1372 if (tevent_req_nomem(subreq, req)) {
1373 return tevent_req_post(req, ev);
1374 }
1375 tevent_req_set_callback(subreq, cli_ntrename_internal_done, req);
1376 return req;
1377 }
1378
1379 static void cli_ntrename_internal_done(struct tevent_req *subreq)
1380 {
1381 struct tevent_req *req = tevent_req_callback_data(
1382 subreq, struct tevent_req);
1383 NTSTATUS status;
1384
1385 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1386 TALLOC_FREE(subreq);
1387 if (!NT_STATUS_IS_OK(status)) {
1388 tevent_req_nterror(req, status);
1389 return;
1390 }
1391 tevent_req_done(req);
1392 }
1393
1394 static NTSTATUS cli_ntrename_internal_recv(struct tevent_req *req)
1395 {
1396 return tevent_req_simple_recv_ntstatus(req);
1397 }
1398
1399 struct tevent_req *cli_ntrename_send(TALLOC_CTX *mem_ctx,
1400 struct event_context *ev,
1401 struct cli_state *cli,
1402 const char *fname_src,
1403 const char *fname_dst)
1404 {
1405 return cli_ntrename_internal_send(mem_ctx,
1406 ev,
1407 cli,
1408 fname_src,
1409 fname_dst,
1410 RENAME_FLAG_RENAME);
1411 }
1412
1413 NTSTATUS cli_ntrename_recv(struct tevent_req *req)
1414 {
1415 return cli_ntrename_internal_recv(req);
1416 }
1417
1418 NTSTATUS cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1419 {
1420 TALLOC_CTX *frame = talloc_stackframe();
1421 struct event_context *ev;
1422 struct tevent_req *req;
1423 NTSTATUS status = NT_STATUS_OK;
1424
1425 if (cli_has_async_calls(cli)) {
1426 /*
1427 * Can't use sync call while an async call is in flight
1428 */
1429 status = NT_STATUS_INVALID_PARAMETER;
1430 goto fail;
1431 }
1432
1433 ev = event_context_init(frame);
1434 if (ev == NULL) {
1435 status = NT_STATUS_NO_MEMORY;
1436 goto fail;
1437 }
1438
1439 req = cli_ntrename_send(frame, ev, cli, fname_src, fname_dst);
1440 if (req == NULL) {
1441 status = NT_STATUS_NO_MEMORY;
1442 goto fail;
1443 }
1444
1445 if (!tevent_req_poll(req, ev)) {
1446 status = map_nt_error_from_unix(errno);
1447 goto fail;
1448 }
1449
1450 status = cli_ntrename_recv(req);
1451
1452 fail:
1453 TALLOC_FREE(frame);
1454 if (!NT_STATUS_IS_OK(status)) {
1455 cli_set_error(cli, status);
1456 }
1457 return status;
1458 }
1459
1460 /****************************************************************************
1461 NT hardlink a file.
1462 ****************************************************************************/
1463
1464 struct tevent_req *cli_nt_hardlink_send(TALLOC_CTX *mem_ctx,
1465 struct event_context *ev,
1466 struct cli_state *cli,
1467 const char *fname_src,
1468 const char *fname_dst)
1469 {
1470 return cli_ntrename_internal_send(mem_ctx,
1471 ev,
1472 cli,
1473 fname_src,
1474 fname_dst,
1475 RENAME_FLAG_HARD_LINK);
1476 }
1477
1478 NTSTATUS cli_nt_hardlink_recv(struct tevent_req *req)
1479 {
1480 return cli_ntrename_internal_recv(req);
1481 }
1482
1483 NTSTATUS cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1484 {
1485 TALLOC_CTX *frame = talloc_stackframe();
1486 struct event_context *ev;
1487 struct tevent_req *req;
1488 NTSTATUS status = NT_STATUS_OK;
1489
1490 if (cli_has_async_calls(cli)) {
1491 /*
1492 * Can't use sync call while an async call is in flight
1493 */
1494 status = NT_STATUS_INVALID_PARAMETER;
1495 goto fail;
1496 }
1497
1498 ev = event_context_init(frame);
1499 if (ev == NULL) {
1500 status = NT_STATUS_NO_MEMORY;
1501 goto fail;
1502 }
1503
1504 req = cli_nt_hardlink_send(frame, ev, cli, fname_src, fname_dst);
1505 if (req == NULL) {
1506 status = NT_STATUS_NO_MEMORY;
1507 goto fail;
1508 }
1509
1510 if (!tevent_req_poll(req, ev)) {
1511 status = map_nt_error_from_unix(errno);
1512 goto fail;
1513 }
1514
1515 status = cli_nt_hardlink_recv(req);
1516
1517 fail:
1518 TALLOC_FREE(frame);
1519 if (!NT_STATUS_IS_OK(status)) {
1520 cli_set_error(cli, status);
1521 }
1522 return status;
1523 }
1524
1525 /****************************************************************************
1526 Delete a file.
1527 ****************************************************************************/
1528
1529 static void cli_unlink_done(struct tevent_req *subreq);
1530
1531 struct cli_unlink_state {
1532 uint16_t vwv[1];
1533 };
1534
1535 struct tevent_req *cli_unlink_send(TALLOC_CTX *mem_ctx,
1536 struct event_context *ev,
1537 struct cli_state *cli,
1538 const char *fname,
1539 uint16_t mayhave_attrs)
1540 {
1541 struct tevent_req *req = NULL, *subreq = NULL;
1542 struct cli_unlink_state *state = NULL;
1543 uint8_t additional_flags = 0;
1544 uint8_t *bytes = NULL;
1545
1546 req = tevent_req_create(mem_ctx, &state, struct cli_unlink_state);
1547 if (req == NULL) {
1548 return NULL;
1549 }
1550
1551 SSVAL(state->vwv+0, 0, mayhave_attrs);
1552
1553 bytes = talloc_array(state, uint8_t, 1);
1554 if (tevent_req_nomem(bytes, req)) {
1555 return tevent_req_post(req, ev);
1556 }
1557 bytes[0] = 4;
1558 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
1559 strlen(fname)+1, NULL);
1560
1561 if (tevent_req_nomem(bytes, req)) {
1562 return tevent_req_post(req, ev);
1563 }
1564
1565 subreq = cli_smb_send(state, ev, cli, SMBunlink, additional_flags,
1566 1, state->vwv, talloc_get_size(bytes), bytes);
1567 if (tevent_req_nomem(subreq, req)) {
1568 return tevent_req_post(req, ev);
1569 }
1570 tevent_req_set_callback(subreq, cli_unlink_done, req);
1571 return req;
1572 }
1573
1574 static void cli_unlink_done(struct tevent_req *subreq)
1575 {
1576 struct tevent_req *req = tevent_req_callback_data(
1577 subreq, struct tevent_req);
1578 NTSTATUS status;
1579
1580 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1581 TALLOC_FREE(subreq);
1582 if (!NT_STATUS_IS_OK(status)) {
1583 tevent_req_nterror(req, status);
1584 return;
1585 }
1586 tevent_req_done(req);
1587 }
1588
1589 NTSTATUS cli_unlink_recv(struct tevent_req *req)
1590 {
1591 return tevent_req_simple_recv_ntstatus(req);
1592 }
1593
1594 NTSTATUS cli_unlink(struct cli_state *cli, const char *fname, uint16_t mayhave_attrs)
1595 {
1596 TALLOC_CTX *frame = talloc_stackframe();
1597 struct event_context *ev;
1598 struct tevent_req *req;
1599 NTSTATUS status = NT_STATUS_OK;
1600
1601 if (cli_has_async_calls(cli)) {
1602 /*
1603 * Can't use sync call while an async call is in flight
1604 */
1605 status = NT_STATUS_INVALID_PARAMETER;
1606 goto fail;
1607 }
1608
1609 ev = event_context_init(frame);
1610 if (ev == NULL) {
1611 status = NT_STATUS_NO_MEMORY;
1612 goto fail;
1613 }
1614
1615 req = cli_unlink_send(frame, ev, cli, fname, mayhave_attrs);
1616 if (req == NULL) {
1617 status = NT_STATUS_NO_MEMORY;
1618 goto fail;
1619 }
1620
1621 if (!tevent_req_poll(req, ev)) {
1622 status = map_nt_error_from_unix(errno);
1623 goto fail;
1624 }
1625
1626 status = cli_unlink_recv(req);
1627
1628 fail:
1629 TALLOC_FREE(frame);
1630 if (!NT_STATUS_IS_OK(status)) {
1631 cli_set_error(cli, status);
1632 }
1633 return status;
1634 }
1635
1636 /****************************************************************************
1637 Create a directory.
1638 ****************************************************************************/
1639
1640 static void cli_mkdir_done(struct tevent_req *subreq);
1641
1642 struct cli_mkdir_state {
1643 int dummy;
1644 };
1645
1646 struct tevent_req *cli_mkdir_send(TALLOC_CTX *mem_ctx,
1647 struct event_context *ev,
1648 struct cli_state *cli,
1649 const char *dname)
1650 {
1651 struct tevent_req *req = NULL, *subreq = NULL;
1652 struct cli_mkdir_state *state = NULL;
1653 uint8_t additional_flags = 0;
1654 uint8_t *bytes = NULL;
1655
1656 req = tevent_req_create(mem_ctx, &state, struct cli_mkdir_state);
1657 if (req == NULL) {
1658 return NULL;
1659 }
1660
1661 bytes = talloc_array(state, uint8_t, 1);
1662 if (tevent_req_nomem(bytes, req)) {
1663 return tevent_req_post(req, ev);
1664 }
1665 bytes[0] = 4;
1666 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), dname,
1667 strlen(dname)+1, NULL);
1668
1669 if (tevent_req_nomem(bytes, req)) {
1670 return tevent_req_post(req, ev);
1671 }
1672
1673 subreq = cli_smb_send(state, ev, cli, SMBmkdir, additional_flags,
1674 0, NULL, talloc_get_size(bytes), bytes);
1675 if (tevent_req_nomem(subreq, req)) {
1676 return tevent_req_post(req, ev);
1677 }
1678 tevent_req_set_callback(subreq, cli_mkdir_done, req);
1679 return req;
1680 }
1681
1682 static void cli_mkdir_done(struct tevent_req *subreq)
1683 {
1684 struct tevent_req *req = tevent_req_callback_data(
1685 subreq, struct tevent_req);
1686 NTSTATUS status;
1687
1688 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1689 TALLOC_FREE(subreq);
1690 if (!NT_STATUS_IS_OK(status)) {
1691 tevent_req_nterror(req, status);
1692 return;
1693 }
1694 tevent_req_done(req);
1695 }
1696
1697 NTSTATUS cli_mkdir_recv(struct tevent_req *req)
1698 {
1699 return tevent_req_simple_recv_ntstatus(req);
1700 }
1701
1702 NTSTATUS cli_mkdir(struct cli_state *cli, const char *dname)
1703 {
1704 TALLOC_CTX *frame = talloc_stackframe();
1705 struct event_context *ev;
1706 struct tevent_req *req;
1707 NTSTATUS status = NT_STATUS_OK;
1708
1709 if (cli_has_async_calls(cli)) {
1710 /*
1711 * Can't use sync call while an async call is in flight
1712 */
1713 status = NT_STATUS_INVALID_PARAMETER;
1714 goto fail;
1715 }
1716
1717 ev = event_context_init(frame);
1718 if (ev == NULL) {
1719 status = NT_STATUS_NO_MEMORY;
1720 goto fail;
1721 }
1722
1723 req = cli_mkdir_send(frame, ev, cli, dname);
1724 if (req == NULL) {
1725 status = NT_STATUS_NO_MEMORY;
1726 goto fail;
1727 }
1728
1729 if (!tevent_req_poll(req, ev)) {
1730 status = map_nt_error_from_unix(errno);
1731 goto fail;
1732 }
1733
1734 status = cli_mkdir_recv(req);
1735
1736 fail:
1737 TALLOC_FREE(frame);
1738 if (!NT_STATUS_IS_OK(status)) {
1739 cli_set_error(cli, status);
1740 }
1741 return status;
1742 }
1743
1744 /****************************************************************************
1745 Remove a directory.
1746 ****************************************************************************/
1747
1748 static void cli_rmdir_done(struct tevent_req *subreq);
1749
1750 struct cli_rmdir_state {
1751 int dummy;
1752 };
1753
1754 struct tevent_req *cli_rmdir_send(TALLOC_CTX *mem_ctx,
1755 struct event_context *ev,
1756 struct cli_state *cli,
1757 const char *dname)
1758 {
1759 struct tevent_req *req = NULL, *subreq = NULL;
1760 struct cli_rmdir_state *state = NULL;
1761 uint8_t additional_flags = 0;
1762 uint8_t *bytes = NULL;
1763
1764 req = tevent_req_create(mem_ctx, &state, struct cli_rmdir_state);
1765 if (req == NULL) {
1766 return NULL;
1767 }
1768
1769 bytes = talloc_array(state, uint8_t, 1);
1770 if (tevent_req_nomem(bytes, req)) {
1771 return tevent_req_post(req, ev);
1772 }
1773 bytes[0] = 4;
1774 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), dname,
1775 strlen(dname)+1, NULL);
1776
1777 if (tevent_req_nomem(bytes, req)) {
1778 return tevent_req_post(req, ev);
1779 }
1780
1781 subreq = cli_smb_send(state, ev, cli, SMBrmdir, additional_flags,
1782 0, NULL, talloc_get_size(bytes), bytes);
1783 if (tevent_req_nomem(subreq, req)) {
1784 return tevent_req_post(req, ev);
1785 }
1786 tevent_req_set_callback(subreq, cli_rmdir_done, req);
1787 return req;
1788 }
1789
1790 static void cli_rmdir_done(struct tevent_req *subreq)
1791 {
1792 struct tevent_req *req = tevent_req_callback_data(
1793 subreq, struct tevent_req);
1794 NTSTATUS status;
1795
1796 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1797 TALLOC_FREE(subreq);
1798 if (!NT_STATUS_IS_OK(status)) {
1799 tevent_req_nterror(req, status);
1800 return;
1801 }
1802 tevent_req_done(req);
1803 }
1804
1805 NTSTATUS cli_rmdir_recv(struct tevent_req *req)
1806 {
1807 return tevent_req_simple_recv_ntstatus(req);
1808 }
1809
1810 NTSTATUS cli_rmdir(struct cli_state *cli, const char *dname)
1811 {
1812 TALLOC_CTX *frame = talloc_stackframe();
1813 struct event_context *ev;
1814 struct tevent_req *req;
1815 NTSTATUS status = NT_STATUS_OK;
1816
1817 if (cli_has_async_calls(cli)) {
1818 /*
1819 * Can't use sync call while an async call is in flight
1820 */
1821 status = NT_STATUS_INVALID_PARAMETER;
1822 goto fail;
1823 }
1824
1825 ev = event_context_init(frame);
1826 if (ev == NULL) {
1827 status = NT_STATUS_NO_MEMORY;
1828 goto fail;
1829 }
1830
1831 req = cli_rmdir_send(frame, ev, cli, dname);
1832 if (req == NULL) {
1833 status = NT_STATUS_NO_MEMORY;
1834 goto fail;
1835 }
1836
1837 if (!tevent_req_poll(req, ev)) {
1838 status = map_nt_error_from_unix(errno);
1839 goto fail;
1840 }
1841
1842 status = cli_rmdir_recv(req);
1843
1844 fail:
1845 TALLOC_FREE(frame);
1846 if (!NT_STATUS_IS_OK(status)) {
1847 cli_set_error(cli, status);
1848 }
1849 return status;
1850 }
1851
1852 /****************************************************************************
1853 Set or clear the delete on close flag.
1854 ****************************************************************************/
1855
1856 struct doc_state {
1857 uint16_t setup;
1858 uint8_t param[6];
1859 uint8_t data[1];
1860 };
1861
1862 static void cli_nt_delete_on_close_done(struct tevent_req *subreq)
1863 {
1864 struct tevent_req *req = tevent_req_callback_data(
1865 subreq, struct tevent_req);
1866 struct doc_state *state = tevent_req_data(req, struct doc_state);
1867 NTSTATUS status;
1868
1869 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
1870 TALLOC_FREE(subreq);
1871 if (!NT_STATUS_IS_OK(status)) {
1872 tevent_req_nterror(req, status);
1873 return;
1874 }
1875 tevent_req_done(req);
1876 }
1877
1878 struct tevent_req *cli_nt_delete_on_close_send(TALLOC_CTX *mem_ctx,
1879 struct event_context *ev,
1880 struct cli_state *cli,
1881 uint16_t fnum,
1882 bool flag)
1883 {
1884 struct tevent_req *req = NULL, *subreq = NULL;
1885 struct doc_state *state = NULL;
1886
1887 req = tevent_req_create(mem_ctx, &state, struct doc_state);
1888 if (req == NULL) {
1889 return NULL;
1890 }
1891
1892 /* Setup setup word. */
1893 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
1894
1895 /* Setup param array. */
1896 SSVAL(state->param,0,fnum);
1897 SSVAL(state->param,2,SMB_SET_FILE_DISPOSITION_INFO);
1898
1899 /* Setup data array. */
1900 SCVAL(&state->data[0], 0, flag ? 1 : 0);
1901
1902 subreq = cli_trans_send(state, /* mem ctx. */
1903 ev, /* event ctx. */
1904 cli, /* cli_state. */
1905 SMBtrans2, /* cmd. */
1906 NULL, /* pipe name. */
1907 -1, /* fid. */
1908 0, /* function. */
1909 0, /* flags. */
1910 &state->setup, /* setup. */
1911 1, /* num setup uint16_t words. */
1912 0, /* max returned setup. */
1913 state->param, /* param. */
1914 6, /* num param. */
1915 2, /* max returned param. */
1916 state->data, /* data. */
1917 1, /* num data. */
1918 0); /* max returned data. */
1919
1920 if (tevent_req_nomem(subreq, req)) {
1921 return tevent_req_post(req, ev);
1922 }
1923 tevent_req_set_callback(subreq, cli_nt_delete_on_close_done, req);
1924 return req;
1925 }
1926
1927 NTSTATUS cli_nt_delete_on_close_recv(struct tevent_req *req)
1928 {
1929 NTSTATUS status;
1930
1931 if (tevent_req_is_nterror(req, &status)) {
1932 return status;
1933 }
1934 return NT_STATUS_OK;
1935 }
1936
1937 NTSTATUS cli_nt_delete_on_close(struct cli_state *cli, uint16_t fnum, bool flag)
1938 {
1939 TALLOC_CTX *frame = talloc_stackframe();
1940 struct event_context *ev = NULL;
1941 struct tevent_req *req = NULL;
1942 NTSTATUS status = NT_STATUS_OK;
1943
1944 if (cli_has_async_calls(cli)) {
1945 /*
1946 * Can't use sync call while an async call is in flight
1947 */
1948 status = NT_STATUS_INVALID_PARAMETER;
1949 goto fail;
1950 }
1951
1952 ev = event_context_init(frame);
1953 if (ev == NULL) {
1954 status = NT_STATUS_NO_MEMORY;
1955 goto fail;
1956 }
1957
1958 req = cli_nt_delete_on_close_send(frame,
1959 ev,
1960 cli,
1961 fnum,
1962 flag);
1963 if (req == NULL) {
1964 status = NT_STATUS_NO_MEMORY;
1965 goto fail;
1966 }
1967
1968 if (!tevent_req_poll(req, ev)) {
1969 status = map_nt_error_from_unix(errno);
1970 goto fail;
1971 }
1972
1973 status = cli_nt_delete_on_close_recv(req);
1974
1975 fail:
1976 TALLOC_FREE(frame);
1977 if (!NT_STATUS_IS_OK(status)) {
1978 cli_set_error(cli, status);
1979 }
1980 return status;
1981 }
1982
1983 struct cli_ntcreate_state {
1984 uint16_t vwv[24];
1985 uint16_t fnum;
1986 };
1987
1988 static void cli_ntcreate_done(struct tevent_req *subreq);
1989
1990 struct tevent_req *cli_ntcreate_send(TALLOC_CTX *mem_ctx,
1991 struct event_context *ev,
1992 struct cli_state *cli,
1993 const char *fname,
1994 uint32_t CreatFlags,
1995 uint32_t DesiredAccess,
1996 uint32_t FileAttributes,
1997 uint32_t ShareAccess,
1998 uint32_t CreateDisposition,
1999 uint32_t CreateOptions,
2000 uint8_t SecurityFlags)
2001 {
2002 struct tevent_req *req, *subreq;
2003 struct cli_ntcreate_state *state;
2004 uint16_t *vwv;
2005 uint8_t *bytes;
2006 size_t converted_len;
2007
2008 req = tevent_req_create(mem_ctx, &state, struct cli_ntcreate_state);
2009 if (req == NULL) {
2010 return NULL;
2011 }
2012
2013 vwv = state->vwv;
2014
2015 SCVAL(vwv+0, 0, 0xFF);
2016 SCVAL(vwv+0, 1, 0);
2017 SSVAL(vwv+1, 0, 0);
2018 SCVAL(vwv+2, 0, 0);
2019
2020 if (cli->use_oplocks) {
2021 CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
2022 }
2023 SIVAL(vwv+3, 1, CreatFlags);
2024 SIVAL(vwv+5, 1, 0x0); /* RootDirectoryFid */
2025 SIVAL(vwv+7, 1, DesiredAccess);
2026 SIVAL(vwv+9, 1, 0x0); /* AllocationSize */
2027 SIVAL(vwv+11, 1, 0x0); /* AllocationSize */
2028 SIVAL(vwv+13, 1, FileAttributes);
2029 SIVAL(vwv+15, 1, ShareAccess);
2030 SIVAL(vwv+17, 1, CreateDisposition);
2031 SIVAL(vwv+19, 1, CreateOptions);
2032 SIVAL(vwv+21, 1, 0x02); /* ImpersonationLevel */
2033 SCVAL(vwv+23, 1, SecurityFlags);
2034
2035 bytes = talloc_array(state, uint8_t, 0);
2036 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
2037 fname, strlen(fname)+1,
2038 &converted_len);
2039
2040 /* sigh. this copes with broken netapp filer behaviour */
2041 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, NULL);
2042
2043 if (tevent_req_nomem(bytes, req)) {
2044 return tevent_req_post(req, ev);
2045 }
2046
2047 SSVAL(vwv+2, 1, converted_len);
2048
2049 subreq = cli_smb_send(state, ev, cli, SMBntcreateX, 0, 24, vwv,
2050 talloc_get_size(bytes), bytes);
2051 if (tevent_req_nomem(subreq, req)) {
2052 return tevent_req_post(req, ev);
2053 }
2054 tevent_req_set_callback(subreq, cli_ntcreate_done, req);
2055 return req;
2056 }
2057
2058 static void cli_ntcreate_done(struct tevent_req *subreq)
2059 {
2060 struct tevent_req *req = tevent_req_callback_data(
2061 subreq, struct tevent_req);
2062 struct cli_ntcreate_state *state = tevent_req_data(
2063 req, struct cli_ntcreate_state);
2064 uint8_t wct;
2065 uint16_t *vwv;
2066 uint32_t num_bytes;
2067 uint8_t *bytes;
2068 NTSTATUS status;
2069
2070 status = cli_smb_recv(subreq, 3, &wct, &vwv, &num_bytes, &bytes);
2071 if (!NT_STATUS_IS_OK(status)) {
2072 TALLOC_FREE(subreq);
2073 tevent_req_nterror(req, status);
2074 return;
2075 }
2076 state->fnum = SVAL(vwv+2, 1);
2077 tevent_req_done(req);
2078 }
2079
2080 NTSTATUS cli_ntcreate_recv(struct tevent_req *req, uint16_t *pfnum)
2081 {
2082 struct cli_ntcreate_state *state = tevent_req_data(
2083 req, struct cli_ntcreate_state);
2084 NTSTATUS status;
2085
2086 if (tevent_req_is_nterror(req, &status)) {
2087 return status;
2088 }
2089 *pfnum = state->fnum;
2090 return NT_STATUS_OK;
2091 }
2092
2093 NTSTATUS cli_ntcreate(struct cli_state *cli,
2094 const char *fname,
2095 uint32_t CreatFlags,
2096 uint32_t DesiredAccess,
2097 uint32_t FileAttributes,
2098 uint32_t ShareAccess,
2099 uint32_t CreateDisposition,
2100 uint32_t CreateOptions,
2101 uint8_t SecurityFlags,
2102 uint16_t *pfid)
2103 {
2104 TALLOC_CTX *frame = talloc_stackframe();
2105 struct event_context *ev;
2106 struct tevent_req *req;
2107 NTSTATUS status = NT_STATUS_OK;
2108
2109 if (cli_has_async_calls(cli)) {
2110 /*
2111 * Can't use sync call while an async call is in flight
2112 */
2113 status = NT_STATUS_INVALID_PARAMETER;
2114 goto fail;
2115 }
2116
2117 ev = event_context_init(frame);
2118 if (ev == NULL) {
2119 status = NT_STATUS_NO_MEMORY;
2120 goto fail;
2121 }
2122
2123 req = cli_ntcreate_send(frame, ev, cli, fname, CreatFlags,
2124 DesiredAccess, FileAttributes, ShareAccess,
2125 CreateDisposition, CreateOptions,
2126 SecurityFlags);
2127 if (req == NULL) {
2128 status = NT_STATUS_NO_MEMORY;
2129 goto fail;
2130 }
2131
2132 if (!tevent_req_poll(req, ev)) {
2133 status = map_nt_error_from_unix(errno);
2134 goto fail;
2135 }
2136
2137 status = cli_ntcreate_recv(req, pfid);
2138 fail:
2139 TALLOC_FREE(frame);
2140 if (!NT_STATUS_IS_OK(status)) {
2141 cli_set_error(cli, status);
2142 }
2143 return status;
2144 }
2145
2146 /****************************************************************************
2147 Open a file
2148 WARNING: if you open with O_WRONLY then getattrE won't work!
2149 ****************************************************************************/
2150
2151 struct cli_open_state {
2152 uint16_t vwv[15];
2153 uint16_t fnum;
2154 struct iovec bytes;
2155 };
2156
2157 static void cli_open_done(struct tevent_req *subreq);
2158
2159 struct tevent_req *cli_open_create(TALLOC_CTX *mem_ctx,
2160 struct event_context *ev,
2161 struct cli_state *cli, const char *fname,
2162 int flags, int share_mode,
2163 struct tevent_req **psmbreq)
2164 {
2165 struct tevent_req *req, *subreq;
2166 struct cli_open_state *state;
2167 unsigned openfn;
2168 unsigned accessmode;
2169 uint8_t additional_flags;
2170 uint8_t *bytes;
2171
2172 req = tevent_req_create(mem_ctx, &state, struct cli_open_state);
2173 if (req == NULL) {
2174 return NULL;
2175 }
2176
2177 openfn = 0;
2178 if (flags & O_CREAT) {
2179 openfn |= (1<<4);
2180 }
2181 if (!(flags & O_EXCL)) {
2182 if (flags & O_TRUNC)
2183 openfn |= (1<<1);
2184 else
2185 openfn |= (1<<0);
2186 }
2187
2188 accessmode = (share_mode<<4);
2189
2190 if ((flags & O_ACCMODE) == O_RDWR) {
2191 accessmode |= 2;
2192 } else if ((flags & O_ACCMODE) == O_WRONLY) {
2193 accessmode |= 1;
2194 }
2195
2196 #if defined(O_SYNC)
2197 if ((flags & O_SYNC) == O_SYNC) {
2198 accessmode |= (1<<14);
2199 }
2200 #endif /* O_SYNC */
2201
2202 if (share_mode == DENY_FCB) {
2203 accessmode = 0xFF;
2204 }
2205
2206 SCVAL(state->vwv + 0, 0, 0xFF);
2207 SCVAL(state->vwv + 0, 1, 0);
2208 SSVAL(state->vwv + 1, 0, 0);
2209 SSVAL(state->vwv + 2, 0, 0); /* no additional info */
2210 SSVAL(state->vwv + 3, 0, accessmode);
2211 SSVAL(state->vwv + 4, 0, aSYSTEM | aHIDDEN);
2212 SSVAL(state->vwv + 5, 0, 0);
2213 SIVAL(state->vwv + 6, 0, 0);
2214 SSVAL(state->vwv + 8, 0, openfn);
2215 SIVAL(state->vwv + 9, 0, 0);
2216 SIVAL(state->vwv + 11, 0, 0);
2217 SIVAL(state->vwv + 13, 0, 0);
2218
2219 additional_flags = 0;
2220
2221 if (cli->use_oplocks) {
2222 /* if using oplocks then ask for a batch oplock via
2223 core and extended methods */
2224 additional_flags =
2225 FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK;
2226 SSVAL(state->vwv+2, 0, SVAL(state->vwv+2, 0) | 6);
2227 }
2228
2229 bytes = talloc_array(state, uint8_t, 0);
2230 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
2231 strlen(fname)+1, NULL);
2232
2233 if (tevent_req_nomem(bytes, req)) {
2234 return tevent_req_post(req, ev);
2235 }
2236
2237 state->bytes.iov_base = (void *)bytes;
2238 state->bytes.iov_len = talloc_get_size(bytes);
2239
2240 subreq = cli_smb_req_create(state, ev, cli, SMBopenX, additional_flags,
2241 15, state->vwv, 1, &state->bytes);
2242 if (subreq == NULL) {
2243 TALLOC_FREE(req);
2244 return NULL;
2245 }
2246 tevent_req_set_callback(subreq, cli_open_done, req);
2247 *psmbreq = subreq;
2248 return req;
2249 }
2250
2251 struct tevent_req *cli_open_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
2252 struct cli_state *cli, const char *fname,
2253 int flags, int share_mode)
2254 {
2255 struct tevent_req *req, *subreq;
2256 NTSTATUS status;
2257
2258 req = cli_open_create(mem_ctx, ev, cli, fname, flags, share_mode,
2259 &subreq);
2260 if (req == NULL) {
2261 return NULL;
2262 }
2263
2264 status = cli_smb_req_send(subreq);
2265 if (!NT_STATUS_IS_OK(status)) {
2266 tevent_req_nterror(req, status);
2267 return tevent_req_post(req, ev);
2268 }
2269 return req;
2270 }
2271
2272 static void cli_open_done(struct tevent_req *subreq)
2273 {
2274 struct tevent_req *req = tevent_req_callback_data(
2275 subreq, struct tevent_req);
2276 struct cli_open_state *state = tevent_req_data(
2277 req, struct cli_open_state);
2278 uint8_t wct;
2279 uint16_t *vwv;
2280 NTSTATUS status;
2281
2282 status = cli_smb_recv(subreq, 3, &wct, &vwv, NULL, NULL);
2283 if (!NT_STATUS_IS_OK(status)) {
2284 TALLOC_FREE(subreq);
2285 tevent_req_nterror(req, status);
2286 return;
2287 }
2288 state->fnum = SVAL(vwv+2, 0);
2289 tevent_req_done(req);
2290 }
2291
2292 NTSTATUS cli_open_recv(struct tevent_req *req, uint16_t *pfnum)
2293 {
2294 struct cli_open_state *state = tevent_req_data(
2295 req, struct cli_open_state);
2296 NTSTATUS status;
2297
2298 if (tevent_req_is_nterror(req, &status)) {
2299 return status;
2300 }
2301 *pfnum = state->fnum;
2302 return NT_STATUS_OK;
2303 }
2304
2305 NTSTATUS cli_open(struct cli_state *cli, const char *fname, int flags,
2306 int share_mode, uint16_t *pfnum)
2307 {
2308 TALLOC_CTX *frame = talloc_stackframe();
2309 struct event_context *ev;
2310 struct tevent_req *req;
2311 NTSTATUS status = NT_STATUS_OK;
2312
2313 if (cli_has_async_calls(cli)) {
2314 /*
2315 * Can't use sync call while an async call is in flight
2316 */
2317 status = NT_STATUS_INVALID_PARAMETER;
2318 goto fail;
2319 }
2320
2321 ev = event_context_init(frame);
2322 if (ev == NULL) {
2323 status = NT_STATUS_NO_MEMORY;
2324 goto fail;
2325 }
2326
2327 req = cli_open_send(frame, ev, cli, fname, flags, share_mode);
2328 if (req == NULL) {
2329 status = NT_STATUS_NO_MEMORY;
2330 goto fail;
2331 }
2332
2333 if (!tevent_req_poll(req, ev)) {
2334 status = map_nt_error_from_unix(errno);
2335 goto fail;
2336 }
2337
2338 status = cli_open_recv(req, pfnum);
2339 fail:
2340 TALLOC_FREE(frame);
2341 if (!NT_STATUS_IS_OK(status)) {
2342 cli_set_error(cli, status);
2343 }
2344 return status;
2345 }
2346
2347 /****************************************************************************
2348 Close a file.
2349 ****************************************************************************/
2350
2351 struct cli_close_state {
2352 uint16_t vwv[3];
2353 };
2354
2355 static void cli_close_done(struct tevent_req *subreq);
2356
2357 struct tevent_req *cli_close_create(TALLOC_CTX *mem_ctx,
2358 struct event_context *ev,
2359 struct cli_state *cli,
2360 uint16_t fnum,
2361 struct tevent_req **psubreq)
2362 {
2363 struct tevent_req *req, *subreq;
2364 struct cli_close_state *state;
2365
2366 req = tevent_req_create(mem_ctx, &state, struct cli_close_state);
2367 if (req == NULL) {
2368 return NULL;
2369 }
2370
2371 SSVAL(state->vwv+0, 0, fnum);
2372 SIVALS(state->vwv+1, 0, -1);
2373
2374 subreq = cli_smb_req_create(state, ev, cli, SMBclose, 0, 3, state->vwv,
2375 0, NULL);
2376 if (subreq == NULL) {
2377 TALLOC_FREE(req);
2378 return NULL;
2379 }
2380 tevent_req_set_callback(subreq, cli_close_done, req);
2381 *psubreq = subreq;
2382 return req;
2383 }
2384
2385 struct tevent_req *cli_close_send(TALLOC_CTX *mem_ctx,
2386 struct event_context *ev,
2387 struct cli_state *cli,
2388 uint16_t fnum)
2389 {
2390 struct tevent_req *req, *subreq;
2391 NTSTATUS status;
2392
2393 req = cli_close_create(mem_ctx, ev, cli, fnum, &subreq);
2394 if (req == NULL) {
2395 return NULL;
2396 }
2397
2398 status = cli_smb_req_send(subreq);
2399 if (!NT_STATUS_IS_OK(status)) {
2400 tevent_req_nterror(req, status);
2401 return tevent_req_post(req, ev);
2402 }
2403 return req;
2404 }
2405
2406 static void cli_close_done(struct tevent_req *subreq)
2407 {
2408 struct tevent_req *req = tevent_req_callback_data(
2409 subreq, struct tevent_req);
2410 NTSTATUS status;
2411
2412 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
2413 TALLOC_FREE(subreq);
2414 if (!NT_STATUS_IS_OK(status)) {
2415 tevent_req_nterror(req, status);
2416 return;
2417 }
2418 tevent_req_done(req);
2419 }
2420
2421 NTSTATUS cli_close_recv(struct tevent_req *req)
2422 {
2423 return tevent_req_simple_recv_ntstatus(req);
2424 }
2425
2426 NTSTATUS cli_close(struct cli_state *cli, uint16_t fnum)
2427 {
2428 TALLOC_CTX *frame = talloc_stackframe();
2429 struct event_context *ev;
2430 struct tevent_req *req;
2431 NTSTATUS status = NT_STATUS_OK;
2432
2433 if (cli_has_async_calls(cli)) {
2434 /*
2435 * Can't use sync call while an async call is in flight
2436 */
2437 status = NT_STATUS_INVALID_PARAMETER;
2438 goto fail;
2439 }
2440
2441 ev = event_context_init(frame);
2442 if (ev == NULL) {
2443 status = NT_STATUS_NO_MEMORY;
2444 goto fail;
2445 }
2446
2447 req = cli_close_send(frame, ev, cli, fnum);
2448 if (req == NULL) {
2449 status = NT_STATUS_NO_MEMORY;
2450 goto fail;
2451 }
2452
2453 if (!tevent_req_poll(req, ev)) {
2454 status = map_nt_error_from_unix(errno);
2455 goto fail;
2456 }
2457
2458 status = cli_close_recv(req);
2459 fail:
2460 TALLOC_FREE(frame);
2461 if (!NT_STATUS_IS_OK(status)) {
2462 cli_set_error(cli, status);
2463 }
2464 return status;
2465 }
2466
2467 /****************************************************************************
2468 Truncate a file to a specified size
2469 ****************************************************************************/
2470
2471 struct ftrunc_state {
2472 uint16_t setup;
2473 uint8_t param[6];
2474 uint8_t data[8];
2475 };
2476
2477 static void cli_ftruncate_done(struct tevent_req *subreq)
2478 {
2479 struct tevent_req *req = tevent_req_callback_data(
2480 subreq, struct tevent_req);
2481 struct ftrunc_state *state = tevent_req_data(req, struct ftrunc_state);
2482 NTSTATUS status;
2483
2484 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
2485 TALLOC_FREE(subreq);
2486 if (!NT_STATUS_IS_OK(status)) {
2487 tevent_req_nterror(req, status);
2488 return;
2489 }
2490 tevent_req_done(req);
2491 }
2492
2493 struct tevent_req *cli_ftruncate_send(TALLOC_CTX *mem_ctx,
2494 struct event_context *ev,
2495 struct cli_state *cli,
2496 uint16_t fnum,
2497 uint64_t size)
2498 {
2499 struct tevent_req *req = NULL, *subreq = NULL;
2500 struct ftrunc_state *state = NULL;
2501
2502 req = tevent_req_create(mem_ctx, &state, struct ftrunc_state);
2503 if (req == NULL) {
2504 return NULL;
2505 }
2506
2507 /* Setup setup word. */
2508 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
2509
2510 /* Setup param array. */
2511 SSVAL(state->param,0,fnum);
2512 SSVAL(state->param,2,SMB_SET_FILE_END_OF_FILE_INFO);
2513 SSVAL(state->param,4,0);
2514
2515 /* Setup data array. */
2516 SBVAL(state->data, 0, size);
2517
2518 subreq = cli_trans_send(state, /* mem ctx. */
2519 ev, /* event ctx. */
2520 cli, /* cli_state. */
2521 SMBtrans2, /* cmd. */
2522 NULL, /* pipe name. */
2523 -1, /* fid. */
2524 0, /* function. */
2525 0, /* flags. */
2526 &state->setup, /* setup. */
2527 1, /* num setup uint16_t words. */
2528 0, /* max returned setup. */
2529 state->param, /* param. */
2530 6, /* num param. */
2531 2, /* max returned param. */
2532 state->data, /* data. */
2533 8, /* num data. */
2534 0); /* max returned data. */
2535
2536 if (tevent_req_nomem(subreq, req)) {
2537 return tevent_req_post(req, ev);
2538 }
2539 tevent_req_set_callback(subreq, cli_ftruncate_done, req);
2540 return req;
2541 }
2542
2543 NTSTATUS cli_ftruncate_recv(struct tevent_req *req)
2544 {
2545 NTSTATUS status;
2546
2547 if (tevent_req_is_nterror(req, &status)) {
2548 return status;
2549 }
2550 return NT_STATUS_OK;
2551 }
2552
2553 NTSTATUS cli_ftruncate(struct cli_state *cli, uint16_t fnum, uint64_t size)
2554 {
2555 TALLOC_CTX *frame = talloc_stackframe();
2556 struct event_context *ev = NULL;
2557 struct tevent_req *req = NULL;
2558 NTSTATUS status = NT_STATUS_OK;
2559
2560 if (cli_has_async_calls(cli)) {
2561 /*
2562 * Can't use sync call while an async call is in flight
2563 */
2564 status = NT_STATUS_INVALID_PARAMETER;
2565 goto fail;
2566 }
2567
2568 ev = event_context_init(frame);
2569 if (ev == NULL) {
2570 status = NT_STATUS_NO_MEMORY;
2571 goto fail;
2572 }
2573
2574 req = cli_ftruncate_send(frame,
2575 ev,
2576 cli,
2577 fnum,
2578 size);
2579 if (req == NULL) {
2580 status = NT_STATUS_NO_MEMORY;
2581 goto fail;
2582 }
2583
2584 if (!tevent_req_poll(req, ev)) {
2585 status = map_nt_error_from_unix(errno);
2586 goto fail;
2587 }
2588
2589 status = cli_ftruncate_recv(req);
2590
2591 fail:
2592 TALLOC_FREE(frame);
2593 if (!NT_STATUS_IS_OK(status)) {
2594 cli_set_error(cli, status);
2595 }
2596 return status;
2597 }
2598
2599 /****************************************************************************
2600 send a lock with a specified locktype
2601 this is used for testing LOCKING_ANDX_CANCEL_LOCK
2602 ****************************************************************************/
2603
2604 NTSTATUS cli_locktype(struct cli_state *cli, uint16_t fnum,
2605 uint32_t offset, uint32_t len,
2606 int timeout, unsigned char locktype)
2607 {
2608 char *p;
2609 int saved_timeout = cli->timeout;
2610
2611 memset(cli->outbuf,'\0',smb_size);
2612 memset(cli->inbuf,'\0', smb_size);
2613
2614 cli_set_message(cli->outbuf,8,0,True);
2615
2616 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2617 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2618 cli_setup_packet(cli);
2619
2620 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2621 SSVAL(cli->outbuf,smb_vwv2,fnum);
2622 SCVAL(cli->outbuf,smb_vwv3,locktype);
2623 SIVALS(cli->outbuf, smb_vwv4, timeout);
2624 SSVAL(cli->outbuf,smb_vwv6,0);
2625 SSVAL(cli->outbuf,smb_vwv7,1);
2626
2627 p = smb_buf(cli->outbuf);
2628 SSVAL(p, 0, cli->pid);
2629 SIVAL(p, 2, offset);
2630 SIVAL(p, 6, len);
2631
2632 p += 10;
2633
2634 cli_setup_bcc(cli, p);
2635
2636 cli_send_smb(cli);
2637
2638 if (timeout != 0) {
2639 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
2640 }
2641
2642 if (!cli_receive_smb(cli)) {
2643 cli->timeout = saved_timeout;
2644 return NT_STATUS_UNSUCCESSFUL;
2645 }
2646
2647 cli->timeout = saved_timeout;
2648
2649 return cli_nt_error(cli);
2650 }
2651
2652 /****************************************************************************
2653 Lock a file.
2654 note that timeout is in units of 2 milliseconds
2655 ****************************************************************************/
2656
2657 bool cli_lock(struct cli_state *cli, uint16_t fnum,
2658 uint32_t offset, uint32_t len, int timeout, enum brl_type lock_type)
2659 {
2660 char *p;
2661 int saved_timeout = cli->timeout;
2662
2663 memset(cli->outbuf,'\0',smb_size);
2664 memset(cli->inbuf,'\0', smb_size);
2665
2666 cli_set_message(cli->outbuf,8,0,True);
2667
2668 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2669 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2670 cli_setup_packet(cli);
2671
2672 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2673 SSVAL(cli->outbuf,smb_vwv2,fnum);
2674 SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
2675 SIVALS(cli->outbuf, smb_vwv4, timeout);
2676 SSVAL(cli->outbuf,smb_vwv6,0);
2677 SSVAL(cli->outbuf,smb_vwv7,1);
2678
2679 p = smb_buf(cli->outbuf);
2680 SSVAL(p, 0, cli->pid);
2681 SIVAL(p, 2, offset);
2682 SIVAL(p, 6, len);
2683
2684 p += 10;
2685
2686 cli_setup_bcc(cli, p);
2687
2688 cli_send_smb(cli);
2689
2690 if (timeout != 0) {
2691 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
2692 }
2693
2694 if (!cli_receive_smb(cli)) {
2695 cli->timeout = saved_timeout;
2696 return False;
2697 }
2698
2699 cli->timeout = saved_timeout;
2700
2701 if (cli_is_error(cli)) {
2702 return False;
2703 }
2704
2705 return True;
2706 }
2707
2708 /****************************************************************************
2709 Unlock a file.
2710 ****************************************************************************/
2711
2712 struct cli_unlock_state {
2713 uint16_t vwv[8];
2714 uint8_t data[10];
2715 };
2716
2717 static void cli_unlock_done(struct tevent_req *subreq);
2718
2719 struct tevent_req *cli_unlock_send(TALLOC_CTX *mem_ctx,
2720 struct event_context *ev,
2721 struct cli_state *cli,
2722 uint16_t fnum,
2723 uint64_t offset,
2724 uint64_t len)
2725
2726 {
2727 struct tevent_req *req = NULL, *subreq = NULL;
2728 struct cli_unlock_state *state = NULL;
2729 uint8_t additional_flags = 0;
2730
2731 req = tevent_req_create(mem_ctx, &state, struct cli_unlock_state);
2732 if (req == NULL) {
2733 return NULL;
2734 }
2735
2736 SCVAL(state->vwv+0, 0, 0xFF);
2737 SSVAL(state->vwv+2, 0, fnum);
2738 SCVAL(state->vwv+3, 0, 0);
2739 SIVALS(state->vwv+4, 0, 0);
2740 SSVAL(state->vwv+6, 0, 1);
2741 SSVAL(state->vwv+7, 0, 0);
2742
2743 SSVAL(state->data, 0, cli->pid);
2744 SIVAL(state->data, 2, offset);
2745 SIVAL(state->data, 6, len);
2746
2747 subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
2748 8, state->vwv, 10, state->data);
2749 if (tevent_req_nomem(subreq, req)) {
2750 return tevent_req_post(req, ev);
2751 }
2752 tevent_req_set_callback(subreq, cli_unlock_done, req);
2753 return req;
2754 }
2755
2756 static void cli_unlock_done(struct tevent_req *subreq)
2757 {
2758 struct tevent_req *req = tevent_req_callback_data(
2759 subreq, struct tevent_req);
2760 NTSTATUS status;
2761
2762 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
2763 TALLOC_FREE(subreq);
2764 if (!NT_STATUS_IS_OK(status)) {
2765 tevent_req_nterror(req, status);
2766 return;
2767 }
2768 tevent_req_done(req);
2769 }
2770
2771 NTSTATUS cli_unlock_recv(struct tevent_req *req)
2772 {
2773 return tevent_req_simple_recv_ntstatus(req);
2774 }
2775
2776 NTSTATUS cli_unlock(struct cli_state *cli,
2777 uint16_t fnum,
2778 uint32_t offset,
2779 uint32_t len)
2780 {
2781 TALLOC_CTX *frame = talloc_stackframe();
2782 struct event_context *ev;
2783 struct tevent_req *req;
2784 NTSTATUS status = NT_STATUS_OK;
2785
2786 if (cli_has_async_calls(cli)) {
2787 /*
2788 * Can't use sync call while an async call is in flight
2789 */
2790 status = NT_STATUS_INVALID_PARAMETER;
2791 goto fail;
2792 }
2793
2794 ev = event_context_init(frame);
2795 if (ev == NULL) {
2796 status = NT_STATUS_NO_MEMORY;
2797 goto fail;
2798 }
2799
2800 req = cli_unlock_send(frame, ev, cli,
2801 fnum, offset, len);
2802 if (req == NULL) {
2803 status = NT_STATUS_NO_MEMORY;
2804 goto fail;
2805 }
2806
2807 if (!tevent_req_poll(req, ev)) {
2808 status = map_nt_error_from_unix(errno);
2809 goto fail;
2810 }
2811
2812 status = cli_unlock_recv(req);
2813
2814 fail:
2815 TALLOC_FREE(frame);
2816 if (!NT_STATUS_IS_OK(status)) {
2817 cli_set_error(cli, status);
2818 }
2819 return status;
2820 }
2821
2822 /****************************************************************************
2823 Lock a file with 64 bit offsets.
2824 ****************************************************************************/
2825
2826 bool cli_lock64(struct cli_state *cli, uint16_t fnum,
2827 uint64_t offset, uint64_t len, int timeout, enum brl_type lock_type)
2828 {
2829 char *p;
2830 int saved_timeout = cli->timeout;
2831 int ltype;
2832
2833 if (! (cli->capabilities & CAP_LARGE_FILES)) {
2834 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
2835 }
2836
2837 ltype = (lock_type == READ_LOCK? 1 : 0);
2838 ltype |= LOCKING_ANDX_LARGE_FILES;
2839
2840 memset(cli->outbuf,'\0',smb_size);
2841 memset(cli->inbuf,'\0', smb_size);
2842
2843 cli_set_message(cli->outbuf,8,0,True);
2844
2845 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2846 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2847 cli_setup_packet(cli);
2848
2849 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2850 SSVAL(cli->outbuf,smb_vwv2,fnum);
2851 SCVAL(cli->outbuf,smb_vwv3,ltype);
2852 SIVALS(cli->outbuf, smb_vwv4, timeout);
2853 SSVAL(cli->outbuf,smb_vwv6,0);
2854 SSVAL(cli->outbuf,smb_vwv7,1);
2855
2856 p = smb_buf(cli->outbuf);
2857 SIVAL(p, 0, cli->pid);
2858 SOFF_T_R(p, 4, offset);
2859 SOFF_T_R(p, 12, len);
2860 p += 20;
2861
2862 cli_setup_bcc(cli, p);
2863 cli_send_smb(cli);
2864
2865 if (timeout != 0) {
2866 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
2867 }
2868
2869 if (!cli_receive_smb(cli)) {
2870 cli->timeout = saved_timeout;
2871 return False;
2872 }
2873
2874 cli->timeout = saved_timeout;
2875
2876 if (cli_is_error(cli)) {
2877 return False;
2878 }
2879
2880 return True;
2881 }
2882
2883 /****************************************************************************
2884 Unlock a file with 64 bit offsets.
2885 ****************************************************************************/
2886
2887 struct cli_unlock64_state {
2888 uint16_t vwv[8];
2889 uint8_t data[20];
2890 };
2891
2892 static void cli_unlock64_done(struct tevent_req *subreq);
2893
2894 struct tevent_req *cli_unlock64_send(TALLOC_CTX *mem_ctx,
2895 struct event_context *ev,
2896 struct cli_state *cli,
2897 uint16_t fnum,
2898 uint64_t offset,
2899 uint64_t len)
2900
2901 {
2902 struct tevent_req *req = NULL, *subreq = NULL;
2903 struct cli_unlock64_state *state = NULL;
2904 uint8_t additional_flags = 0;
2905
2906 req = tevent_req_create(mem_ctx, &state, struct cli_unlock64_state);
2907 if (req == NULL) {
2908 return NULL;
2909 }
2910
2911 SCVAL(state->vwv+0, 0, 0xff);
2912 SSVAL(state->vwv+2, 0, fnum);
2913 SCVAL(state->vwv+3, 0,LOCKING_ANDX_LARGE_FILES);
2914 SIVALS(state->vwv+4, 0, 0);
2915 SSVAL(state->vwv+6, 0, 1);
2916 SSVAL(state->vwv+7, 0, 0);
2917
2918 SIVAL(state->data, 0, cli->pid);
2919 SOFF_T_R(state->data, 4, offset);
2920 SOFF_T_R(state->data, 12, len);
2921
2922 subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
2923 8, state->vwv, 20, state->data);
2924 if (tevent_req_nomem(subreq, req)) {
2925 return tevent_req_post(req, ev);
2926 }
2927 tevent_req_set_callback(subreq, cli_unlock64_done, req);
2928 return req;
2929 }
2930
2931 static void cli_unlock64_done(struct tevent_req *subreq)
2932 {
2933 struct tevent_req *req = tevent_req_callback_data(
2934 subreq, struct tevent_req);
2935 NTSTATUS status;
2936
2937 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
2938 TALLOC_FREE(subreq);
2939 if (!NT_STATUS_IS_OK(status)) {
2940 tevent_req_nterror(req, status);
2941 return;
2942 }
2943 tevent_req_done(req);
2944 }
2945
2946 NTSTATUS cli_unlock64_recv(struct tevent_req *req)
2947 {
2948 return tevent_req_simple_recv_ntstatus(req);
2949 }
2950
2951 NTSTATUS cli_unlock64(struct cli_state *cli,
2952 uint16_t fnum,
2953 uint64_t offset,
2954 uint64_t len)
2955 {
2956 TALLOC_CTX *frame = talloc_stackframe();
2957 struct event_context *ev;
2958 struct tevent_req *req;
2959 NTSTATUS status = NT_STATUS_OK;
2960
2961 if (! (cli->capabilities & CAP_LARGE_FILES)) {
2962 return cli_unlock(cli, fnum, offset, len);
2963 }
2964
2965 if (cli_has_async_calls(cli)) {
2966 /*
2967 * Can't use sync call while an async call is in flight
2968 */
2969 status = NT_STATUS_INVALID_PARAMETER;
2970 goto fail;
2971 }
2972
2973 ev = event_context_init(frame);
2974 if (ev == NULL) {
2975 status = NT_STATUS_NO_MEMORY;
2976 goto fail;
2977 }
2978
2979 req = cli_unlock64_send(frame, ev, cli,
2980 fnum, offset, len);
2981 if (req == NULL) {
2982 status = NT_STATUS_NO_MEMORY;
2983 goto fail;
2984 }
2985
2986 if (!tevent_req_poll(req, ev)) {
2987 status = map_nt_error_from_unix(errno);
2988 goto fail;
2989 }
2990
2991 status = cli_unlock64_recv(req);
2992
2993 fail:
2994 TALLOC_FREE(frame);
2995 if (!NT_STATUS_IS_OK(status)) {
2996 cli_set_error(cli, status);
2997 }
2998 return status;
2999 }
3000
3001 /****************************************************************************
3002 Get/unlock a POSIX lock on a file - internal function.
3003 ****************************************************************************/
3004
3005 struct posix_lock_state {
3006 uint16_t setup;
3007 uint8_t param[4];
3008 uint8_t data[POSIX_LOCK_DATA_SIZE];
3009 };
3010
3011 static void cli_posix_unlock_internal_done(struct tevent_req *subreq)
3012 {
3013 struct tevent_req *req = tevent_req_callback_data(
3014 subreq, struct tevent_req);
3015 struct posix_lock_state *state = tevent_req_data(req, struct posix_lock_state);
3016 NTSTATUS status;
3017
3018 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
3019 TALLOC_FREE(subreq);
3020 if (!NT_STATUS_IS_OK(status)) {
3021 tevent_req_nterror(req, status);
3022 return;
3023 }
3024 tevent_req_done(req);
3025 }
3026
3027 static struct tevent_req *cli_posix_lock_internal_send(TALLOC_CTX *mem_ctx,
3028 struct event_context *ev,
3029 struct cli_state *cli,
3030 uint16_t fnum,
3031 uint64_t offset,
3032 uint64_t len,
3033 bool wait_lock,
3034 enum brl_type lock_type)
3035 {
3036 struct tevent_req *req = NULL, *subreq = NULL;
3037 struct posix_lock_state *state = NULL;
3038
3039 req = tevent_req_create(mem_ctx, &state, struct posix_lock_state);
3040 if (req == NULL) {
3041 return NULL;
3042 }
3043
3044 /* Setup setup word. */
3045 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
3046
3047 /* Setup param array. */
3048 SSVAL(&state->param, 0, fnum);
3049 SSVAL(&state->param, 2, SMB_SET_POSIX_LOCK);
3050
3051 /* Setup data array. */
3052 switch (lock_type) {
3053 case READ_LOCK:
3054 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3055 POSIX_LOCK_TYPE_READ);
3056 break;
3057 case WRITE_LOCK:
3058 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3059 POSIX_LOCK_TYPE_WRITE);
3060 break;
3061 case UNLOCK_LOCK:
3062 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3063 POSIX_LOCK_TYPE_UNLOCK);
3064 break;
3065 default:
3066 return NULL;
3067 }
3068
3069 if (wait_lock) {
3070 SSVAL(&state->data, POSIX_LOCK_FLAGS_OFFSET,
3071 POSIX_LOCK_FLAG_WAIT);
3072 } else {
3073 SSVAL(state->data, POSIX_LOCK_FLAGS_OFFSET,
3074 POSIX_LOCK_FLAG_NOWAIT);
3075 }
3076
3077 SIVAL(&state->data, POSIX_LOCK_PID_OFFSET, cli->pid);
3078 SOFF_T(&state->data, POSIX_LOCK_START_OFFSET, offset);
3079 SOFF_T(&state->data, POSIX_LOCK_LEN_OFFSET, len);
3080
3081 subreq = cli_trans_send(state, /* mem ctx. */
3082 ev, /* event ctx. */
3083 cli, /* cli_state. */
3084 SMBtrans2, /* cmd. */
3085 NULL, /* pipe name. */
3086 -1, /* fid. */
3087 0, /* function. */
3088 0, /* flags. */
3089 &state->setup, /* setup. */
3090 1, /* num setup uint16_t words. */
3091 0, /* max returned setup. */
3092 state->param, /* param. */
3093 4, /* num param. */
3094 2, /* max returned param. */
3095 state->data, /* data. */
3096 POSIX_LOCK_DATA_SIZE, /* num data. */
3097 0); /* max returned data. */
3098
3099 if (tevent_req_nomem(subreq, req)) {
3100 return tevent_req_post(req, ev);
3101 }
3102 tevent_req_set_callback(subreq, cli_posix_unlock_internal_done, req);
3103 return req;
3104 }
3105
3106 /****************************************************************************
3107 POSIX Lock a file.
3108 ****************************************************************************/
3109
3110 struct tevent_req *cli_posix_lock_send(TALLOC_CTX *mem_ctx,
3111 struct event_context *ev,
3112 struct cli_state *cli,
3113 uint16_t fnum,
3114 uint64_t offset,
3115 uint64_t len,
3116 bool wait_lock,
3117 enum brl_type lock_type)
3118 {
3119 return cli_posix_lock_internal_send(mem_ctx, ev, cli, fnum, offset, len,
3120 wait_lock, lock_type);
3121 }
3122
3123 NTSTATUS cli_posix_lock_recv(struct tevent_req *req)
3124 {
3125 NTSTATUS status;
3126
3127 if (tevent_req_is_nterror(req, &status)) {
3128 return status;
3129 }
3130 return NT_STATUS_OK;
3131 }
3132
3133 NTSTATUS cli_posix_lock(struct cli_state *cli, uint16_t fnum,
3134 uint64_t offset, uint64_t len,
3135 bool wait_lock, enum brl_type lock_type)
3136 {
3137 TALLOC_CTX *frame = talloc_stackframe();
3138 struct event_context *ev = NULL;
3139 struct tevent_req *req = NULL;
3140 NTSTATUS status = NT_STATUS_OK;
3141
3142 if (cli_has_async_calls(cli)) {
3143 /*
3144 * Can't use sync call while an async call is in flight
3145 */
3146 status = NT_STATUS_INVALID_PARAMETER;
3147 goto fail;
3148 }
3149
3150 if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) {
3151 status = NT_STATUS_INVALID_PARAMETER;
3152 goto fail;
3153 }
3154
3155 ev = event_context_init(frame);
3156 if (ev == NULL) {
3157 status = NT_STATUS_NO_MEMORY;
3158 goto fail;
3159 }
3160
3161 req = cli_posix_lock_send(frame,
3162 ev,
3163 cli,
3164 fnum,
3165 offset,
3166 len,
3167 wait_lock,
3168 lock_type);
3169 if (req == NULL) {
3170 status = NT_STATUS_NO_MEMORY;
3171 goto fail;
3172 }
3173
3174 if (!tevent_req_poll(req, ev)) {
3175 status = map_nt_error_from_unix(errno);
3176 goto fail;
3177 }
3178
3179 status = cli_posix_lock_recv(req);
3180
3181 fail:
3182 TALLOC_FREE(frame);
3183 if (!NT_STATUS_IS_OK(status)) {
3184 cli_set_error(cli, status);
3185 }
3186 return status;
3187 }
3188
3189 /****************************************************************************
3190 POSIX Unlock a file.
3191 ****************************************************************************/
3192
3193 struct tevent_req *cli_posix_unlock_send(TALLOC_CTX *mem_ctx,
3194 struct event_context *ev,
3195 struct cli_state *cli,
3196 uint16_t fnum,
3197 uint64_t offset,
3198 uint64_t len)
3199 {
3200 return cli_posix_lock_internal_send(mem_ctx, ev, cli, fnum, offset, len,
3201 false, UNLOCK_LOCK);
3202 }
3203
3204 NTSTATUS cli_posix_unlock_recv(struct tevent_req *req)
3205 {
3206 NTSTATUS status;
3207
3208 if (tevent_req_is_nterror(req, &status)) {
3209 return status;
3210 }
3211 return NT_STATUS_OK;
3212 }
3213
3214 NTSTATUS cli_posix_unlock(struct cli_state *cli, uint16_t fnum, uint64_t offset, uint64_t len)
3215 {
3216 TALLOC_CTX *frame = talloc_stackframe();
3217 struct event_context *ev = NULL;
3218 struct tevent_req *req = NULL;
3219 NTSTATUS status = NT_STATUS_OK;
3220
3221 if (cli_has_async_calls(cli)) {
3222 /*
3223 * Can't use sync call while an async call is in flight
3224 */
3225 status = NT_STATUS_INVALID_PARAMETER;
3226 goto fail;
3227 }
3228
3229 ev = event_context_init(frame);
3230 if (ev == NULL) {
3231 status = NT_STATUS_NO_MEMORY;
3232 goto fail;
3233 }
3234
3235 req = cli_posix_unlock_send(frame,
3236 ev,
3237 cli,
3238 fnum,
3239 offset,
3240 len);
3241 if (req == NULL) {
3242 status = NT_STATUS_NO_MEMORY;
3243 goto fail;
3244 }
3245
3246 if (!tevent_req_poll(req, ev)) {
3247 status = map_nt_error_from_unix(errno);
3248 goto fail;
3249 }
3250
3251 status = cli_posix_unlock_recv(req);
3252
3253 fail:
3254 TALLOC_FREE(frame);
3255 if (!NT_STATUS_IS_OK(status)) {
3256 cli_set_error(cli, status);
3257 }
3258 return status;
3259 }
3260
3261 /****************************************************************************
3262 Do a SMBgetattrE call.
3263 ****************************************************************************/
3264
3265 static void cli_getattrE_done(struct tevent_req *subreq);
3266
3267 struct cli_getattrE_state {
3268 uint16_t vwv[1];
3269 int zone_offset;
3270 uint16_t attr;
3271 SMB_OFF_T size;
3272 time_t change_time;
3273 time_t access_time;
3274 time_t write_time;
3275 };
3276
3277 struct tevent_req *cli_getattrE_send(TALLOC_CTX *mem_ctx,
3278 struct event_context *ev,
3279 struct cli_state *cli,
3280 uint16_t fnum)
3281 {
3282 struct tevent_req *req = NULL, *subreq = NULL;
3283 struct cli_getattrE_state *state = NULL;
3284 uint8_t additional_flags = 0;
3285
3286 req = tevent_req_create(mem_ctx, &state, struct cli_getattrE_state);
3287 if (req == NULL) {
3288 return NULL;
3289 }
3290
3291 state->zone_offset = cli->serverzone;
3292 SSVAL(state->vwv+0,0,fnum);
3293
3294 subreq = cli_smb_send(state, ev, cli, SMBgetattrE, additional_flags,
3295 1, state->vwv, 0, NULL);
3296 if (tevent_req_nomem(subreq, req)) {
3297 return tevent_req_post(req, ev);
3298 }
3299 tevent_req_set_callback(subreq, cli_getattrE_done, req);
3300 return req;
3301 }
3302
3303 static void cli_getattrE_done(struct tevent_req *subreq)
3304 {
3305 struct tevent_req *req = tevent_req_callback_data(
3306 subreq, struct tevent_req);
3307 struct cli_getattrE_state *state = tevent_req_data(
3308 req, struct cli_getattrE_state);
3309 uint8_t wct;
3310 uint16_t *vwv = NULL;
3311 NTSTATUS status;
3312
3313 status = cli_smb_recv(subreq, 11, &wct, &vwv, NULL, NULL);
3314 if (!NT_STATUS_IS_OK(status)) {
3315 tevent_req_nterror(req, status);
3316 return;
3317 }
3318
3319 state->size = (SMB_OFF_T)IVAL(vwv+6,0);
3320 state->attr = SVAL(vwv+10,0);
3321 state->change_time = make_unix_date2(vwv+0, state->zone_offset);
3322 state->access_time = make_unix_date2(vwv+2, state->zone_offset);
3323 state->write_time = make_unix_date2(vwv+4, state->zone_offset);
3324
3325 TALLOC_FREE(subreq);
3326 tevent_req_done(req);
3327 }
3328
3329 NTSTATUS cli_getattrE_recv(struct tevent_req *req,
3330 uint16_t *attr,
3331 SMB_OFF_T *size,
3332 time_t *change_time,
3333 time_t *access_time,
3334 time_t *write_time)
3335 {
3336 struct cli_getattrE_state *state = tevent_req_data(
3337 req, struct cli_getattrE_state);
3338 NTSTATUS status;
3339
3340 if (tevent_req_is_nterror(req, &status)) {
3341 return status;
3342 }
3343 if (attr) {
3344 *attr = state->attr;
3345 }
3346 if (size) {
3347 *size = state->size;
3348 }
3349 if (change_time) {
3350 *change_time = state->change_time;
3351 }
3352 if (access_time) {
3353 *access_time = state->access_time;
3354 }
3355 if (write_time) {
3356 *write_time = state->write_time;
3357 }
3358 return NT_STATUS_OK;
3359 }
3360
3361 NTSTATUS cli_getattrE(struct cli_state *cli,
3362 uint16_t fnum,
3363 uint16_t *attr,
3364 SMB_OFF_T *size,
3365 time_t *change_time,
3366 time_t *access_time,
3367 time_t *write_time)
3368 {
3369 TALLOC_CTX *frame = talloc_stackframe();
3370 struct event_context *ev = NULL;
3371 struct tevent_req *req = NULL;
3372 NTSTATUS status = NT_STATUS_OK;
3373
3374 if (cli_has_async_calls(cli)) {
3375 /*
3376 * Can't use sync call while an async call is in flight
3377 */
3378 status = NT_STATUS_INVALID_PARAMETER;
3379 goto fail;
3380 }
3381
3382 ev = event_context_init(frame);
3383 if (ev == NULL) {
3384 status = NT_STATUS_NO_MEMORY;
3385 goto fail;
3386 }
3387
3388 req = cli_getattrE_send(frame, ev, cli, fnum);
3389 if (req == NULL) {
3390 status = NT_STATUS_NO_MEMORY;
3391 goto fail;
3392 }
3393
3394 if (!tevent_req_poll(req, ev)) {
3395 status = map_nt_error_from_unix(errno);
3396 goto fail;
3397 }
3398
3399 status = cli_getattrE_recv(req,
3400 attr,
3401 size,
3402 change_time,
3403 access_time,
3404 write_time);
3405
3406 fail:
3407 TALLOC_FREE(frame);
3408 if (!NT_STATUS_IS_OK(status)) {
3409 cli_set_error(cli, status);
3410 }
3411 return status;
3412 }
3413
3414 /****************************************************************************
3415 Do a SMBgetatr call
3416 ****************************************************************************/
3417
3418 static void cli_getatr_done(struct tevent_req *subreq);
3419
3420 struct cli_getatr_state {
3421 int zone_offset;
3422 uint16_t attr;
3423 SMB_OFF_T size;
3424 time_t write_time;
3425 };
3426
3427 struct tevent_req *cli_getatr_send(TALLOC_CTX *mem_ctx,
3428 struct event_context *ev,
3429 struct cli_state *cli,
3430 const char *fname)
3431 {
3432 struct tevent_req *req = NULL, *subreq = NULL;
3433 struct cli_getatr_state *state = NULL;
3434 uint8_t additional_flags = 0;
3435 uint8_t *bytes = NULL;
3436
3437 req = tevent_req_create(mem_ctx, &state, struct cli_getatr_state);
3438 if (req == NULL) {
3439 return NULL;
3440 }
3441
3442 state->zone_offset = cli->serverzone;
3443
3444 bytes = talloc_array(state, uint8_t, 1);
3445 if (tevent_req_nomem(bytes, req)) {
3446 return tevent_req_post(req, ev);
3447 }
3448 bytes[0] = 4;
3449 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3450 strlen(fname)+1, NULL);
3451
3452 if (tevent_req_nomem(bytes, req)) {
3453 return tevent_req_post(req, ev);
3454 }
3455
3456 subreq = cli_smb_send(state, ev, cli, SMBgetatr, additional_flags,
3457 0, NULL, talloc_get_size(bytes), bytes);
3458 if (tevent_req_nomem(subreq, req)) {
3459 return tevent_req_post(req, ev);
3460 }
3461 tevent_req_set_callback(subreq, cli_getatr_done, req);
3462 return req;
3463 }
3464
3465 static void cli_getatr_done(struct tevent_req *subreq)
3466 {
3467 struct tevent_req *req = tevent_req_callback_data(
3468 subreq, struct tevent_req);
3469 struct cli_getatr_state *state = tevent_req_data(
3470 req, struct cli_getatr_state);
3471 uint8_t wct;
3472 uint16_t *vwv = NULL;
3473 NTSTATUS status;
3474
3475 status = cli_smb_recv(subreq, 4, &wct, &vwv, NULL, NULL);
3476 if (!NT_STATUS_IS_OK(status)) {
3477 tevent_req_nterror(req, status);
3478 return;
3479 }
3480
3481 state->attr = SVAL(vwv+0,0);
3482 state->size = (SMB_OFF_T)IVAL(vwv+3,0);
3483 state->write_time = make_unix_date3(vwv+1, state->zone_offset);
3484
3485 TALLOC_FREE(subreq);
3486 tevent_req_done(req);
3487 }
3488
3489 NTSTATUS cli_getatr_recv(struct tevent_req *req,
3490 uint16_t *attr,
3491 SMB_OFF_T *size,
3492 time_t *write_time)
3493 {
3494 struct cli_getatr_state *state = tevent_req_data(
3495 req, struct cli_getatr_state);
3496 NTSTATUS status;
3497
3498 if (tevent_req_is_nterror(req, &status)) {
3499 return status;
3500 }
3501 if (attr) {
3502 *attr = state->attr;
3503 }
3504 if (size) {
3505 *size = state->size;
3506 }
3507 if (write_time) {
3508 *write_time = state->write_time;
3509 }
3510 return NT_STATUS_OK;
3511 }
3512
3513 NTSTATUS cli_getatr(struct cli_state *cli,
3514 const char *fname,
3515 uint16_t *attr,
3516 SMB_OFF_T *size,
3517 time_t *write_time)
3518 {
3519 TALLOC_CTX *frame = talloc_stackframe();
3520 struct event_context *ev = NULL;
3521 struct tevent_req *req = NULL;
3522 NTSTATUS status = NT_STATUS_OK;
3523
3524 if (cli_has_async_calls(cli)) {
3525 /*
3526 * Can't use sync call while an async call is in flight
3527 */
3528 status = NT_STATUS_INVALID_PARAMETER;
3529 goto fail;
3530 }
3531
3532 ev = event_context_init(frame);
3533 if (ev == NULL) {
3534 status = NT_STATUS_NO_MEMORY;
3535 goto fail;
3536 }
3537
3538 req = cli_getatr_send(frame, ev, cli, fname);
3539 if (req == NULL) {
3540 status = NT_STATUS_NO_MEMORY;
3541 goto fail;
3542 }
3543
3544 if (!tevent_req_poll(req, ev)) {
3545 status = map_nt_error_from_unix(errno);
3546 goto fail;
3547 }
3548
3549 status = cli_getatr_recv(req,
3550 attr,
3551 size,
3552 write_time);
3553
3554 fail:
3555 TALLOC_FREE(frame);
3556 if (!NT_STATUS_IS_OK(status)) {
3557 cli_set_error(cli, status);
3558 }
3559 return status;
3560 }
3561
3562 /****************************************************************************
3563 Do a SMBsetattrE call.
3564 ****************************************************************************/
3565
3566 static void cli_setattrE_done(struct tevent_req *subreq);
3567
3568 struct cli_setattrE_state {
3569 uint16_t vwv[7];
3570 };
3571
3572 struct tevent_req *cli_setattrE_send(TALLOC_CTX *mem_ctx,
3573 struct event_context *ev,
3574 struct cli_state *cli,
3575 uint16_t fnum,
3576 time_t change_time,
3577 time_t access_time,
3578 time_t write_time)
3579 {
3580 struct tevent_req *req = NULL, *subreq = NULL;
3581 struct cli_setattrE_state *state = NULL;
3582 uint8_t additional_flags = 0;
3583
3584 req = tevent_req_create(mem_ctx, &state, struct cli_setattrE_state);
3585 if (req == NULL) {
3586 return NULL;
3587 }
3588
3589 SSVAL(state->vwv+0, 0, fnum);
3590 cli_put_dos_date2(cli, (char *)&state->vwv[1], 0, change_time);
3591 cli_put_dos_date2(cli, (char *)&state->vwv[3], 0, access_time);
3592 cli_put_dos_date2(cli, (char *)&state->vwv[5], 0, write_time);
3593
3594 subreq = cli_smb_send(state, ev, cli, SMBsetattrE, additional_flags,
3595 7, state->vwv, 0, NULL);
3596 if (tevent_req_nomem(subreq, req)) {
3597 return tevent_req_post(req, ev);
3598 }
3599 tevent_req_set_callback(subreq, cli_setattrE_done, req);
3600 return req;
3601 }
3602
3603 static void cli_setattrE_done(struct tevent_req *subreq)
3604 {
3605 struct tevent_req *req = tevent_req_callback_data(
3606 subreq, struct tevent_req);
3607 NTSTATUS status;
3608
3609 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
3610 TALLOC_FREE(subreq);
3611 if (!NT_STATUS_IS_OK(status)) {
3612 tevent_req_nterror(req, status);
3613 return;
3614 }
3615 tevent_req_done(req);
3616 }
3617
3618 NTSTATUS cli_setattrE_recv(struct tevent_req *req)
3619 {
3620 return tevent_req_simple_recv_ntstatus(req);
3621 }
3622
3623 NTSTATUS cli_setattrE(struct cli_state *cli,
3624 uint16_t fnum,
3625 time_t change_time,
3626 time_t access_time,
3627 time_t write_time)
3628 {
3629 TALLOC_CTX *frame = talloc_stackframe();
3630 struct event_context *ev = NULL;
3631 struct tevent_req *req = NULL;
3632 NTSTATUS status = NT_STATUS_OK;
3633
3634 if (cli_has_async_calls(cli)) {
3635 /*
3636 * Can't use sync call while an async call is in flight
3637 */
3638 status = NT_STATUS_INVALID_PARAMETER;
3639 goto fail;
3640 }
3641
3642 ev = event_context_init(frame);
3643 if (ev == NULL) {
3644 status = NT_STATUS_NO_MEMORY;
3645 goto fail;
3646 }
3647
3648 req = cli_setattrE_send(frame, ev,
3649 cli,
3650 fnum,
3651 change_time,
3652 access_time,
3653 write_time);
3654
3655 if (req == NULL) {
3656 status = NT_STATUS_NO_MEMORY;
3657 goto fail;
3658 }
3659
3660 if (!tevent_req_poll(req, ev)) {
3661 status = map_nt_error_from_unix(errno);
3662 goto fail;
3663 }
3664
3665 status = cli_setattrE_recv(req);
3666
3667 fail:
3668 TALLOC_FREE(frame);
3669 if (!NT_STATUS_IS_OK(status)) {
3670 cli_set_error(cli, status);
3671 }
3672 return status;
3673 }
3674
3675 /****************************************************************************
3676 Do a SMBsetatr call.
3677 ****************************************************************************/
3678
3679 static void cli_setatr_done(struct tevent_req *subreq);
3680
3681 struct cli_setatr_state {
3682 uint16_t vwv[8];
3683 };
3684
3685 struct tevent_req *cli_setatr_send(TALLOC_CTX *mem_ctx,
3686 struct event_context *ev,
3687 struct cli_state *cli,
3688 const char *fname,
3689 uint16_t attr,
3690 time_t mtime)
3691 {
3692 struct tevent_req *req = NULL, *subreq = NULL;
3693 struct cli_setatr_state *state = NULL;
3694 uint8_t additional_flags = 0;
3695 uint8_t *bytes = NULL;
3696
3697 req = tevent_req_create(mem_ctx, &state, struct cli_setatr_state);
3698 if (req == NULL) {
3699 return NULL;
3700 }
3701
3702 SSVAL(state->vwv+0, 0, attr);
3703 cli_put_dos_date3(cli, (char *)&state->vwv[1], 0, mtime);
3704
3705 bytes = talloc_array(state, uint8_t, 1);
3706 if (tevent_req_nomem(bytes, req)) {
3707 return tevent_req_post(req, ev);
3708 }
3709 bytes[0] = 4;
3710 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3711 strlen(fname)+1, NULL);
3712 if (tevent_req_nomem(bytes, req)) {
3713 return tevent_req_post(req, ev);
3714 }
3715 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
3716 talloc_get_size(bytes)+1);
3717 if (tevent_req_nomem(bytes, req)) {
3718 return tevent_req_post(req, ev);
3719 }
3720
3721 bytes[talloc_get_size(bytes)-1] = 4;
3722 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "",
3723 1, NULL);
3724 if (tevent_req_nomem(bytes, req)) {
3725 return tevent_req_post(req, ev);
3726 }
3727
3728 subreq = cli_smb_send(state, ev, cli, SMBsetatr, additional_flags,
3729 8, state->vwv, talloc_get_size(bytes), bytes);
3730 if (tevent_req_nomem(subreq, req)) {
3731 return tevent_req_post(req, ev);
3732 }
3733 tevent_req_set_callback(subreq, cli_setatr_done, req);
3734 return req;
3735 }
3736
3737 static void cli_setatr_done(struct tevent_req *subreq)
3738 {
3739 struct tevent_req *req = tevent_req_callback_data(
3740 subreq, struct tevent_req);
3741 NTSTATUS status;
3742
3743 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
3744 TALLOC_FREE(subreq);
3745 if (!NT_STATUS_IS_OK(status)) {
3746 tevent_req_nterror(req, status);
3747 return;
3748 }
3749 tevent_req_done(req);
3750 }
3751
3752 NTSTATUS cli_setatr_recv(struct tevent_req *req)
3753 {
3754 return tevent_req_simple_recv_ntstatus(req);
3755 }
3756
3757 NTSTATUS cli_setatr(struct cli_state *cli,
3758 const char *fname,
3759 uint16_t attr,
3760 time_t mtime)
3761 {
3762 TALLOC_CTX *frame = talloc_stackframe();
3763 struct event_context *ev = NULL;
3764 struct tevent_req *req = NULL;
3765 NTSTATUS status = NT_STATUS_OK;
3766
3767 if (cli_has_async_calls(cli)) {
3768 /*
3769 * Can't use sync call while an async call is in flight
3770 */
3771 status = NT_STATUS_INVALID_PARAMETER;
3772 goto fail;
3773 }
3774
3775 ev = event_context_init(frame);
3776 if (ev == NULL) {
3777 status = NT_STATUS_NO_MEMORY;
3778 goto fail;
3779 }
3780
3781 req = cli_setatr_send(frame, ev, cli, fname, attr, mtime);
3782 if (req == NULL) {
3783 status = NT_STATUS_NO_MEMORY;
3784 goto fail;
3785 }
3786
3787 if (!tevent_req_poll(req, ev)) {
3788 status = map_nt_error_from_unix(errno);
3789 goto fail;
3790 }
3791
3792 status = cli_setatr_recv(req);
3793
3794 fail:
3795 TALLOC_FREE(frame);
3796 if (!NT_STATUS_IS_OK(status)) {
3797 cli_set_error(cli, status);
3798 }
3799 return status;
3800 }
3801
3802 /****************************************************************************
3803 Check for existance of a dir.
3804 ****************************************************************************/
3805
3806 static void cli_chkpath_done(struct tevent_req *subreq);
3807
3808 struct cli_chkpath_state {
3809 int dummy;
3810 };
3811
3812 struct tevent_req *cli_chkpath_send(TALLOC_CTX *mem_ctx,
3813 struct event_context *ev,
3814 struct cli_state *cli,
3815 const char *fname)
3816 {
3817 struct tevent_req *req = NULL, *subreq = NULL;
3818 struct cli_chkpath_state *state = NULL;
3819 uint8_t additional_flags = 0;
3820 uint8_t *bytes = NULL;
3821
3822 req = tevent_req_create(mem_ctx, &state, struct cli_chkpath_state);
3823 if (req == NULL) {
3824 return NULL;
3825 }
3826
3827 bytes = talloc_array(state, uint8_t, 1);
3828 if (tevent_req_nomem(bytes, req)) {
3829 return tevent_req_post(req, ev);
3830 }
3831 bytes[0] = 4;
3832 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3833 strlen(fname)+1, NULL);
3834
3835 if (tevent_req_nomem(bytes, req)) {
3836 return tevent_req_post(req, ev);
3837 }
3838
3839 subreq = cli_smb_send(state, ev, cli, SMBcheckpath, additional_flags,
3840 0, NULL, talloc_get_size(bytes), bytes);
3841 if (tevent_req_nomem(subreq, req)) {
3842 return tevent_req_post(req, ev);
3843 }
3844 tevent_req_set_callback(subreq, cli_chkpath_done, req);
3845 return req;
3846 }
3847
3848 static void cli_chkpath_done(struct tevent_req *subreq)
3849 {
3850 struct tevent_req *req = tevent_req_callback_data(
3851 subreq, struct tevent_req);
3852 NTSTATUS status;
3853
3854 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
3855 TALLOC_FREE(subreq);
3856 if (!NT_STATUS_IS_OK(status)) {
3857 tevent_req_nterror(req, status);
3858 return;
3859 }
3860 tevent_req_done(req);
3861 }
3862
3863 NTSTATUS cli_chkpath_recv(struct tevent_req *req)
3864 {
3865 return tevent_req_simple_recv_ntstatus(req);
3866 }
3867
3868 NTSTATUS cli_chkpath(struct cli_state *cli, const char *path)
3869 {
3870 TALLOC_CTX *frame = talloc_stackframe();
3871 struct event_context *ev = NULL;
3872 struct tevent_req *req = NULL;
3873 char *path2 = NULL;
3874 NTSTATUS status = NT_STATUS_OK;
3875
3876 if (cli_has_async_calls(cli)) {
3877 /*
3878 * Can't use sync call while an async call is in flight
3879 */
3880 status = NT_STATUS_INVALID_PARAMETER;
3881 goto fail;
3882 }
3883
3884 path2 = talloc_strdup(frame, path);
3885 if (!path2) {
3886 status = NT_STATUS_NO_MEMORY;
3887 goto fail;
3888 }
3889 trim_char(path2,'\0','\\');
3890 if (!*path2) {
3891 path2 = talloc_strdup(frame, "\\");
3892 if (!path2) {
3893 status = NT_STATUS_NO_MEMORY;
3894 goto fail;
3895 }
3896 }
3897
3898 ev = event_context_init(frame);
3899 if (ev == NULL) {
3900 status = NT_STATUS_NO_MEMORY;
3901 goto fail;
3902 }
3903
3904 req = cli_chkpath_send(frame, ev, cli, path2);
3905 if (req == NULL) {
3906 status = NT_STATUS_NO_MEMORY;
3907 goto fail;
3908 }
3909
3910 if (!tevent_req_poll(req, ev)) {
3911 status = map_nt_error_from_unix(errno);
3912 goto fail;
3913 }
3914
3915 status = cli_chkpath_recv(req);
3916
3917 fail:
3918 TALLOC_FREE(frame);
3919 if (!NT_STATUS_IS_OK(status)) {
3920 cli_set_error(cli, status);
3921 }
3922 return status;
3923 }
3924
3925 /****************************************************************************
3926 Query disk space.
3927 ****************************************************************************/
3928
3929 static void cli_dskattr_done(struct tevent_req *subreq);
3930
3931 struct cli_dskattr_state {
3932 int bsize;
3933 int total;
3934 int avail;
3935 };
3936
3937 struct tevent_req *cli_dskattr_send(TALLOC_CTX *mem_ctx,
3938 struct event_context *ev,
3939 struct cli_state *cli)
3940 {
3941 struct tevent_req *req = NULL, *subreq = NULL;
3942 struct cli_dskattr_state *state = NULL;
3943 uint8_t additional_flags = 0;
3944
3945 req = tevent_req_create(mem_ctx, &state, struct cli_dskattr_state);
3946 if (req == NULL) {
3947 return NULL;
3948 }
3949
3950 subreq = cli_smb_send(state, ev, cli, SMBdskattr, additional_flags,
3951 0, NULL, 0, NULL);
3952 if (tevent_req_nomem(subreq, req)) {
3953 return tevent_req_post(req, ev);
3954 }
3955 tevent_req_set_callback(subreq, cli_dskattr_done, req);
3956 return req;
3957 }
3958
3959 static void cli_dskattr_done(struct tevent_req *subreq)
3960 {
3961 struct tevent_req *req = tevent_req_callback_data(
3962 subreq, struct tevent_req);
3963 struct cli_dskattr_state *state = tevent_req_data(
3964 req, struct cli_dskattr_state);
3965 uint8_t wct;
3966 uint16_t *vwv = NULL;
3967 NTSTATUS status;
3968
3969 status = cli_smb_recv(subreq, 4, &wct, &vwv, NULL, NULL);
3970 if (!NT_STATUS_IS_OK(status)) {
3971 tevent_req_nterror(req, status);
3972 return;
3973 }
3974 state->bsize = SVAL(vwv+1, 0)*SVAL(vwv+2,0);
3975 state->total = SVAL(vwv+0, 0);
3976 state->avail = SVAL(vwv+3, 0);
3977 TALLOC_FREE(subreq);
3978 tevent_req_done(req);
3979 }
3980
3981 NTSTATUS cli_dskattr_recv(struct tevent_req *req, int *bsize, int *total, int *avail)
3982 {
3983 struct cli_dskattr_state *state = tevent_req_data(
3984 req, struct cli_dskattr_state);
3985 NTSTATUS status;
3986
3987 if (tevent_req_is_nterror(req, &status)) {
3988 return status;
3989 }
3990 *bsize = state->bsize;
3991 *total = state->total;
3992 *avail = state->avail;
3993 return NT_STATUS_OK;
3994 }
3995
3996 NTSTATUS cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
3997 {
3998 TALLOC_CTX *frame = talloc_stackframe();
3999 struct event_context *ev = NULL;
4000 struct tevent_req *req = NULL;
4001 NTSTATUS status = NT_STATUS_OK;
4002
4003 if (cli_has_async_calls(cli)) {
4004 /*
4005 * Can't use sync call while an async call is in flight
4006 */
4007 status = NT_STATUS_INVALID_PARAMETER;
4008 goto fail;
4009 }
4010
4011 ev = event_context_init(frame);
4012 if (ev == NULL) {
4013 status = NT_STATUS_NO_MEMORY;
4014 goto fail;
4015 }
4016
4017 req = cli_dskattr_send(frame, ev, cli);
4018 if (req == NULL) {
4019 status = NT_STATUS_NO_MEMORY;
4020 goto fail;
4021 }
4022
4023 if (!tevent_req_poll(req, ev)) {
4024 status = map_nt_error_from_unix(errno);
4025 goto fail;
4026 }
4027
4028 status = cli_dskattr_recv(req, bsize, total, avail);
4029
4030 fail:
4031 TALLOC_FREE(frame);
4032 if (!NT_STATUS_IS_OK(status)) {
4033 cli_set_error(cli, status);
4034 }
4035 return status;
4036 }
4037
4038 /****************************************************************************
4039 Create and open a temporary file.
4040 ****************************************************************************/
4041
4042 static void cli_ctemp_done(struct tevent_req *subreq);
4043
4044 struct ctemp_state {
4045 uint16_t vwv[3];
4046 char *ret_path;
4047 uint16_t fnum;
4048 };
4049
4050 struct tevent_req *cli_ctemp_send(TALLOC_CTX *mem_ctx,
4051 struct event_context *ev,
4052 struct cli_state *cli,
4053 const char *path)
4054 {
4055 struct tevent_req *req = NULL, *subreq = NULL;
4056 struct ctemp_state *state = NULL;
4057 uint8_t additional_flags = 0;
4058 uint8_t *bytes = NULL;
4059
4060 req = tevent_req_create(mem_ctx, &state, struct ctemp_state);
4061 if (req == NULL) {
4062 return NULL;
4063 }
4064
4065 SSVAL(state->vwv,0,0);
4066 SIVALS(state->vwv+1,0,-1);
4067
4068 bytes = talloc_array(state, uint8_t, 1);
4069 if (tevent_req_nomem(bytes, req)) {
4070 return tevent_req_post(req, ev);
4071 }
4072 bytes[0] = 4;
4073 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), path,
4074 strlen(path)+1, NULL);
4075 if (tevent_req_nomem(bytes, req)) {
4076 return tevent_req_post(req, ev);
4077 }
4078
4079 subreq = cli_smb_send(state, ev, cli, SMBctemp, additional_flags,
4080 3, state->vwv, talloc_get_size(bytes), bytes);
4081 if (tevent_req_nomem(subreq, req)) {
4082 return tevent_req_post(req, ev);
4083 }
4084 tevent_req_set_callback(subreq, cli_ctemp_done, req);
4085 return req;
4086 }
4087
4088 static void cli_ctemp_done(struct tevent_req *subreq)
4089 {
4090 struct tevent_req *req = tevent_req_callback_data(
4091 subreq, struct tevent_req);
4092 struct ctemp_state *state = tevent_req_data(
4093 req, struct ctemp_state);
4094 NTSTATUS status;
4095 uint8_t wcnt;
4096 uint16_t *vwv;
4097 uint32_t num_bytes = 0;
4098 uint8_t *bytes = NULL;
4099
4100 status = cli_smb_recv(subreq, 1, &wcnt, &vwv, &num_bytes, &bytes);
4101 if (!NT_STATUS_IS_OK(status)) {
4102 TALLOC_FREE(subreq);
4103 tevent_req_nterror(req, status);
4104 return;
4105 }
4106
4107 state->fnum = SVAL(vwv+0, 0);
4108
4109 TALLOC_FREE(subreq);
4110
4111 /* From W2K3, the result is just the ASCII name */
4112 if (num_bytes < 2) {
4113 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
4114 return;
4115 }
4116
4117 if (pull_string_talloc(state,
4118 NULL,
4119 0,
4120 &state->ret_path,
4121 bytes,
4122 num_bytes,
4123 STR_ASCII) == 0) {
4124 tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
4125 return;
4126 }
4127 tevent_req_done(req);
4128 }
4129
4130 NTSTATUS cli_ctemp_recv(struct tevent_req *req,
4131 TALLOC_CTX *ctx,
4132 uint16_t *pfnum,
4133 char **outfile)
4134 {
4135 struct ctemp_state *state = tevent_req_data(req,
4136 struct ctemp_state);
4137 NTSTATUS status;
4138
4139 if (tevent_req_is_nterror(req, &status)) {
4140 return status;
4141 }
4142 *pfnum = state->fnum;
4143 *outfile = talloc_strdup(ctx, state->ret_path);
4144 if (!*outfile) {
4145 return NT_STATUS_NO_MEMORY;
4146 }
4147 return NT_STATUS_OK;
4148 }
4149
4150 NTSTATUS cli_ctemp(struct cli_state *cli,
4151 TALLOC_CTX *ctx,
4152 const char *path,
4153 uint16_t *pfnum,
4154 char **out_path)
4155 {
4156 TALLOC_CTX *frame = talloc_stackframe();
4157 struct event_context *ev;
4158 struct tevent_req *req;
4159 NTSTATUS status = NT_STATUS_OK;
4160
4161 if (cli_has_async_calls(cli)) {
4162 /*
4163 * Can't use sync call while an async call is in flight
4164 */
4165 status = NT_STATUS_INVALID_PARAMETER;
4166 goto fail;
4167 }
4168
4169 ev = event_context_init(frame);
4170 if (ev == NULL) {
4171 status = NT_STATUS_NO_MEMORY;
4172 goto fail;
4173 }
4174
4175 req = cli_ctemp_send(frame, ev, cli, path);
4176 if (req == NULL) {
4177 status = NT_STATUS_NO_MEMORY;
4178 goto fail;
4179 }
4180
4181 if (!tevent_req_poll(req, ev)) {
4182 status = map_nt_error_from_unix(errno);
4183 goto fail;
4184 }
4185
4186 status = cli_ctemp_recv(req, ctx, pfnum, out_path);
4187
4188 fail:
4189 TALLOC_FREE(frame);
4190 if (!NT_STATUS_IS_OK(status)) {
4191 cli_set_error(cli, status);
4192 }
4193 return status;
4194 }
4195
4196 /*
4197 send a raw ioctl - used by the torture code
4198 */
4199 NTSTATUS cli_raw_ioctl(struct cli_state *cli, uint16_t fnum, uint32_t code, DATA_BLOB *blob)
4200 {
4201 memset(cli->outbuf,'\0',smb_size);
4202 memset(cli->inbuf,'\0',smb_size);
4203
4204 cli_set_message(cli->outbuf, 3, 0, True);
4205 SCVAL(cli->outbuf,smb_com,SMBioctl);
4206 cli_setup_packet(cli);
4207
4208 SSVAL(cli->outbuf, smb_vwv0, fnum);
4209 SSVAL(cli->outbuf, smb_vwv1, code>>16);
4210 SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF));
4211
4212 cli_send_smb(cli);
4213 if (!cli_receive_smb(cli)) {
4214 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
4215 }
4216
4217 if (cli_is_error(cli)) {
4218 return cli_nt_error(cli);
4219 }
4220
4221 *blob = data_blob_null;
4222
4223 return NT_STATUS_OK;
4224 }
4225
4226 /*********************************************************
4227 Set an extended attribute utility fn.
4228 *********************************************************/
4229
4230 static bool cli_set_ea(struct cli_state *cli, uint16_t setup, char *param, unsigned int param_len,
4231 const char *ea_name, const char *ea_val, size_t ea_len)
4232 {
4233 unsigned int data_len = 0;
4234 char *data = NULL;
4235 char *rparam=NULL, *rdata=NULL;
4236 char *p;
4237 size_t ea_namelen = strlen(ea_name);
4238
4239 if (ea_namelen == 0 && ea_len == 0) {
4240 data_len = 4;
4241 data = (char *)SMB_MALLOC(data_len);
4242 if (!data) {
4243 return False;
4244 }
4245 p = data;
4246 SIVAL(p,0,data_len);
4247 } else {
4248 data_len = 4 + 4 + ea_namelen + 1 + ea_len;
4249 data = (char *)SMB_MALLOC(data_len);
4250 if (!data) {
4251 return False;
4252 }
4253 p = data;
4254 SIVAL(p,0,data_len);
4255 p += 4;
4256 SCVAL(p, 0, 0); /* EA flags. */
4257 SCVAL(p, 1, ea_namelen);
4258 SSVAL(p, 2, ea_len);
4259 memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
4260 memcpy(p+4+ea_namelen+1, ea_val, ea_len);
4261 }
4262
4263 if (!cli_send_trans(cli, SMBtrans2,
4264 NULL, /* name */
4265 -1, 0, /* fid, flags */
4266 &setup, 1, 0, /* setup, length, max */
4267 param, param_len, 2, /* param, length, max */
4268 data, data_len, cli->max_xmit /* data, length, max */
4269 )) {
4270 SAFE_FREE(data);
4271 return False;
4272 }
4273
4274 if (!cli_receive_trans(cli, SMBtrans2,
4275 &rparam, &param_len,
4276 &rdata, &data_len)) {
4277 SAFE_FREE(data);
4278 return false;
4279 }
4280
4281 SAFE_FREE(data);
4282 SAFE_FREE(rdata);
4283 SAFE_FREE(rparam);
4284
4285 return True;
4286 }
4287
4288 /*********************************************************
4289 Set an extended attribute on a pathname.
4290 *********************************************************/
4291
4292 bool cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
4293 {
4294 uint16_t setup = TRANSACT2_SETPATHINFO;
4295 unsigned int param_len = 0;
4296 char *param;
4297 size_t srclen = 2*(strlen(path)+1);
4298 char *p;
4299 bool ret;
4300
4301 param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
4302 if (!param) {
4303 return false;
4304 }
4305 memset(param, '\0', 6);
4306 SSVAL(param,0,SMB_INFO_SET_EA);
4307 p = &param[6];
4308
4309 p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
4310 param_len = PTR_DIFF(p, param);
4311
4312 ret = cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
4313 SAFE_FREE(param);
4314 return ret;
4315 }
4316
4317 /*********************************************************
4318 Set an extended attribute on an fnum.
4319 *********************************************************/
4320
4321 bool cli_set_ea_fnum(struct cli_state *cli, uint16_t fnum, const char *ea_name, const char *ea_val, size_t ea_len)
4322 {
4323 char param[6];
4324 uint16_t setup = TRANSACT2_SETFILEINFO;
4325
4326 memset(param, 0, 6);
4327 SSVAL(param,0,fnum);
4328 SSVAL(param,2,SMB_INFO_SET_EA);
4329
4330 return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
4331 }
4332
4333 /*********************************************************
4334 Get an extended attribute list utility fn.
4335 *********************************************************/
4336
4337 static bool cli_get_ea_list(struct cli_state *cli,
4338 uint16_t setup, char *param, unsigned int param_len,
4339 TALLOC_CTX *ctx,
4340 size_t *pnum_eas,
4341 struct ea_struct **pea_list)
4342 {
4343 unsigned int data_len = 0;
4344 unsigned int rparam_len, rdata_len;
4345 char *rparam=NULL, *rdata=NULL;
4346 char *p;
4347 size_t ea_size;
4348 size_t num_eas;
4349 bool ret = False;
4350 struct ea_struct *ea_list;
4351
4352 *pnum_eas = 0;
4353 if (pea_list) {
4354 *pea_list = NULL;
4355 }
4356
4357 if (!cli_send_trans(cli, SMBtrans2,
4358 NULL, /* Name */
4359 -1, 0, /* fid, flags */
4360 &setup, 1, 0, /* setup, length, max */
4361 param, param_len, 10, /* param, length, max */
4362 NULL, data_len, cli->max_xmit /* data, length, max */
4363 )) {
4364 return False;
4365 }
4366
4367 if (!cli_receive_trans(cli, SMBtrans2,
4368 &rparam, &rparam_len,
4369 &rdata, &rdata_len)) {
4370 return False;
4371 }
4372
4373 if (!rdata || rdata_len < 4) {
4374 goto out;
4375 }
4376
4377 ea_size = (size_t)IVAL(rdata,0);
4378 if (ea_size > rdata_len) {
4379 goto out;
4380 }
4381
4382 if (ea_size == 0) {
4383 /* No EA's present. */
4384 ret = True;
4385 goto out;
4386 }
4387
4388 p = rdata + 4;
4389 ea_size -= 4;
4390
4391 /* Validate the EA list and count it. */
4392 for (num_eas = 0; ea_size >= 4; num_eas++) {
4393 unsigned int ea_namelen = CVAL(p,1);
4394 unsigned int ea_valuelen = SVAL(p,2);
4395 if (ea_namelen == 0) {
4396 goto out;
4397 }
4398 if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
4399 goto out;
4400 }
4401 ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
4402 p += 4 + ea_namelen + 1 + ea_valuelen;
4403 }
4404
4405 if (num_eas == 0) {
4406 ret = True;
4407 goto out;
4408 }
4409
4410 *pnum_eas = num_eas;
4411 if (!pea_list) {
4412 /* Caller only wants number of EA's. */
4413 ret = True;
4414 goto out;
4415 }
4416
4417 ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas);
4418 if (!ea_list) {
4419 goto out;
4420 }
4421
4422 ea_size = (size_t)IVAL(rdata,0);
4423 p = rdata + 4;
4424
4425 for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
4426 struct ea_struct *ea = &ea_list[num_eas];
4427 fstring unix_ea_name;
4428 unsigned int ea_namelen = CVAL(p,1);
4429 unsigned int ea_valuelen = SVAL(p,2);
4430
4431 ea->flags = CVAL(p,0);
4432 unix_ea_name[0] = '\0';
4433 pull_ascii_fstring(unix_ea_name, p + 4);
4434 ea->name = talloc_strdup(ctx, unix_ea_name);
4435 /* Ensure the value is null terminated (in case it's a string). */
4436 ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
4437 if (!ea->value.data) {
4438 goto out;
4439 }
4440 if (ea_valuelen) {
4441 memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
4442 }
4443 ea->value.data[ea_valuelen] = 0;
4444 ea->value.length--;
4445 p += 4 + ea_namelen + 1 + ea_valuelen;
4446 }
4447
4448 *pea_list = ea_list;
4449 ret = True;
4450
4451 out :
4452
4453 SAFE_FREE(rdata);
4454 SAFE_FREE(rparam);
4455 return ret;
4456 }
4457
4458 /*********************************************************
4459 Get an extended attribute list from a pathname.
4460 *********************************************************/
4461
4462 bool cli_get_ea_list_path(struct cli_state *cli, const char *path,
4463 TALLOC_CTX *ctx,
4464 size_t *pnum_eas,
4465 struct ea_struct **pea_list)
4466 {
4467 uint16_t setup = TRANSACT2_QPATHINFO;
4468 unsigned int param_len = 0;
4469 char *param;
4470 char *p;
4471 size_t srclen = 2*(strlen(path)+1);
4472 bool ret;
4473
4474 param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
4475 if (!param) {
4476 return false;
4477 }
4478 p = param;
4479 memset(p, 0, 6);
4480 SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
4481 p += 6;
4482 p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
4483 param_len = PTR_DIFF(p, param);
4484
4485 ret = cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
4486 SAFE_FREE(param);
4487 return ret;
4488 }
4489
4490 /*********************************************************
4491 Get an extended attribute list from an fnum.
4492 *********************************************************/
4493
4494 bool cli_get_ea_list_fnum(struct cli_state *cli, uint16_t fnum,
4495 TALLOC_CTX *ctx,
4496 size_t *pnum_eas,
4497 struct ea_struct **pea_list)
4498 {
4499 uint16_t setup = TRANSACT2_QFILEINFO;
4500 char param[6];
4501
4502 memset(param, 0, 6);
4503 SSVAL(param,0,fnum);
4504 SSVAL(param,2,SMB_INFO_SET_EA);
4505
4506 return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
4507 }
4508
4509 /****************************************************************************
4510 Convert open "flags" arg to uint32_t on wire.
4511 ****************************************************************************/
4512
4513 static uint32_t open_flags_to_wire(int flags)
4514 {
4515 int open_mode = flags & O_ACCMODE;
4516 uint32_t ret = 0;
4517
4518 switch (open_mode) {
4519 case O_WRONLY:
4520 ret |= SMB_O_WRONLY;
4521 break;
4522 case O_RDWR:
4523 ret |= SMB_O_RDWR;
4524 break;
4525 default:
4526 case O_RDONLY:
4527 ret |= SMB_O_RDONLY;
4528 break;
4529 }
4530
4531 if (flags & O_CREAT) {
4532 ret |= SMB_O_CREAT;
4533 }
4534 if (flags & O_EXCL) {
4535 ret |= SMB_O_EXCL;
4536 }
4537 if (flags & O_TRUNC) {
4538 ret |= SMB_O_TRUNC;
4539 }
4540 #if defined(O_SYNC)
4541 if (flags & O_SYNC) {
4542 ret |= SMB_O_SYNC;
4543 }
4544 #endif /* O_SYNC */
4545 if (flags & O_APPEND) {
4546 ret |= SMB_O_APPEND;
4547 }
4548 #if defined(O_DIRECT)
4549 if (flags & O_DIRECT) {
4550 ret |= SMB_O_DIRECT;
4551 }
4552 #endif
4553 #if defined(O_DIRECTORY)
4554 if (flags & O_DIRECTORY) {
4555 ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
4556 ret |= SMB_O_DIRECTORY;
4557 }
4558 #endif
4559 return ret;
4560 }
4561
4562 /****************************************************************************
4563 Open a file - POSIX semantics. Returns fnum. Doesn't request oplock.
4564 ****************************************************************************/
4565
4566 struct posix_open_state {
4567 uint16_t setup;
4568 uint8_t *param;
4569 uint8_t data[18];
4570 uint16_t fnum; /* Out */
4571 };
4572
4573 static void cli_posix_open_internal_done(struct tevent_req *subreq)
4574 {
4575 struct tevent_req *req = tevent_req_callback_data(
4576 subreq, struct tevent_req);
4577 struct posix_open_state *state = tevent_req_data(req, struct posix_open_state);
4578 NTSTATUS status;
4579 uint8_t *data;
4580 uint32_t num_data;
4581
4582 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, &data, &num_data);
4583 TALLOC_FREE(subreq);
4584 if (!NT_STATUS_IS_OK(status)) {
4585 tevent_req_nterror(req, status);
4586 return;
4587 }
4588 if (num_data < 12) {
4589 tevent_req_nterror(req, status);
4590 return;
4591 }
4592 state->fnum = SVAL(data,2);
4593 tevent_req_done(req);
4594 }
4595
4596 static struct tevent_req *cli_posix_open_internal_send(TALLOC_CTX *mem_ctx,
4597 struct event_context *ev,
4598 struct cli_state *cli,
4599 const char *fname,
4600 int flags,
4601 mode_t mode,
4602 bool is_dir)
4603 {
4604 struct tevent_req *req = NULL, *subreq = NULL;
4605 struct posix_open_state *state = NULL;
4606 uint32_t wire_flags = open_flags_to_wire(flags);
4607
4608 req = tevent_req_create(mem_ctx, &state, struct posix_open_state);
4609 if (req == NULL) {
4610 return NULL;
4611 }
4612
4613 /* Setup setup word. */
4614 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
4615
4616 /* Setup param array. */
4617 state->param = talloc_array(state, uint8_t, 6);
4618 if (tevent_req_nomem(state->param, req)) {
4619 return tevent_req_post(req, ev);
4620 }
4621 memset(state->param, '\0', 6);
4622 SSVAL(state->param, 0, SMB_POSIX_PATH_OPEN);
4623
4624 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
4625 strlen(fname)+1, NULL);
4626
4627 if (tevent_req_nomem(state->param, req)) {
4628 return tevent_req_post(req, ev);
4629 }
4630
4631 /* Setup data words. */
4632 if (is_dir) {
4633 wire_flags &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
4634 wire_flags |= SMB_O_DIRECTORY;
4635 }
4636
4637 SIVAL(state->data,0,0); /* No oplock. */
4638 SIVAL(state->data,4,wire_flags);
4639 SIVAL(state->data,8,unix_perms_to_wire(mode));
4640 SIVAL(state->data,12,0); /* Top bits of perms currently undefined. */
4641 SSVAL(state->data,16,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */
4642
4643 subreq = cli_trans_send(state, /* mem ctx. */
4644 ev, /* event ctx. */
4645 cli, /* cli_state. */
4646 SMBtrans2, /* cmd. */
4647 NULL, /* pipe name. */
4648 -1, /* fid. */
4649 0, /* function. */
4650 0, /* flags. */
4651 &state->setup, /* setup. */
4652 1, /* num setup uint16_t words. */
4653 0, /* max returned setup. */
4654 state->param, /* param. */
4655 talloc_get_size(state->param),/* num param. */
4656 2, /* max returned param. */
4657 state->data, /* data. */
4658 18, /* num data. */
4659 12); /* max returned data. */
4660
4661 if (tevent_req_nomem(subreq, req)) {
4662 return tevent_req_post(req, ev);
4663 }
4664 tevent_req_set_callback(subreq, cli_posix_open_internal_done, req);
4665 return req;
4666 }
4667
4668 struct tevent_req *cli_posix_open_send(TALLOC_CTX *mem_ctx,
4669 struct event_context *ev,
4670 struct cli_state *cli,
4671 const char *fname,
4672 int flags,
4673 mode_t mode)
4674 {
4675 return cli_posix_open_internal_send(mem_ctx, ev,
4676 cli, fname, flags, mode, false);
4677 }
4678
4679 NTSTATUS cli_posix_open_recv(struct tevent_req *req, uint16_t *pfnum)
4680 {
4681 struct posix_open_state *state = tevent_req_data(req, struct posix_open_state);
4682 NTSTATUS status;
4683
4684 if (tevent_req_is_nterror(req, &status)) {
4685 return status;
4686 }
4687 *pfnum = state->fnum;
4688 return NT_STATUS_OK;
4689 }
4690
4691 /****************************************************************************
4692 Open - POSIX semantics. Doesn't request oplock.
4693 ****************************************************************************/
4694
4695 NTSTATUS cli_posix_open(struct cli_state *cli, const char *fname,
4696 int flags, mode_t mode, uint16_t *pfnum)
4697 {
4698
4699 TALLOC_CTX *frame = talloc_stackframe();
4700 struct event_context *ev = NULL;
4701 struct tevent_req *req = NULL;
4702 NTSTATUS status = NT_STATUS_OK;
4703
4704 if (cli_has_async_calls(cli)) {
4705 /*
4706 * Can't use sync call while an async call is in flight
4707 */
4708 status = NT_STATUS_INVALID_PARAMETER;
4709 goto fail;
4710 }
4711
4712 ev = event_context_init(frame);
4713 if (ev == NULL) {
4714 status = NT_STATUS_NO_MEMORY;
4715 goto fail;
4716 }
4717
4718 req = cli_posix_open_send(frame,
4719 ev,
4720 cli,
4721 fname,
4722 flags,
4723 mode);
4724 if (req == NULL) {
4725 status = NT_STATUS_NO_MEMORY;
4726 goto fail;
4727 }
4728
4729 if (!tevent_req_poll(req, ev)) {
4730 status = map_nt_error_from_unix(errno);
4731 goto fail;
4732 }
4733
4734 status = cli_posix_open_recv(req, pfnum);
4735
4736 fail:
4737 TALLOC_FREE(frame);
4738 if (!NT_STATUS_IS_OK(status)) {
4739 cli_set_error(cli, status);
4740 }
4741 return status;
4742 }
4743
4744 struct tevent_req *cli_posix_mkdir_send(TALLOC_CTX *mem_ctx,
4745 struct event_context *ev,
4746 struct cli_state *cli,
4747 const char *fname,
4748 mode_t mode)
4749 {
4750 return cli_posix_open_internal_send(mem_ctx, ev,
4751 cli, fname, O_CREAT, mode, true);
4752 }
4753
4754 NTSTATUS cli_posix_mkdir_recv(struct tevent_req *req)
4755 {
4756 NTSTATUS status;
4757
4758 if (tevent_req_is_nterror(req, &status)) {
4759 return status;
4760 }
4761 return NT_STATUS_OK;
4762 }
4763
4764 NTSTATUS cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode)
4765 {
4766 TALLOC_CTX *frame = talloc_stackframe();
4767 struct event_context *ev = NULL;
4768 struct tevent_req *req = NULL;
4769 NTSTATUS status = NT_STATUS_OK;
4770
4771 if (cli_has_async_calls(cli)) {
4772 /*
4773 * Can't use sync call while an async call is in flight
4774 */
4775 status = NT_STATUS_INVALID_PARAMETER;
4776 goto fail;
4777 }
4778
4779 ev = event_context_init(frame);
4780 if (ev == NULL) {
4781 status = NT_STATUS_NO_MEMORY;
4782 goto fail;
4783 }
4784
4785 req = cli_posix_mkdir_send(frame,
4786 ev,
4787 cli,
4788 fname,
4789 mode);
4790 if (req == NULL) {
4791 status = NT_STATUS_NO_MEMORY;
4792 goto fail;
4793 }
4794
4795 if (!tevent_req_poll(req, ev)) {
4796 status = map_nt_error_from_unix(errno);
4797 goto fail;
4798 }
4799
4800 status = cli_posix_mkdir_recv(req);
4801
4802 fail:
4803 TALLOC_FREE(frame);
4804 if (!NT_STATUS_IS_OK(status)) {
4805 cli_set_error(cli, status);
4806 }
4807 return status;
4808 }
4809
4810 /****************************************************************************
4811 unlink or rmdir - POSIX semantics.
4812 ****************************************************************************/
4813
4814 struct unlink_state {
4815 uint16_t setup;
4816 uint8_t data[2];
4817 };
4818
4819 static void cli_posix_unlink_internal_done(struct tevent_req *subreq)
4820 {
4821 struct tevent_req *req = tevent_req_callback_data(
4822 subreq, struct tevent_req);
4823 struct unlink_state *state = tevent_req_data(req, struct unlink_state);
4824 NTSTATUS status;
4825
4826 status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, NULL, NULL);
4827 TALLOC_FREE(subreq);
4828 if (!NT_STATUS_IS_OK(status)) {
4829 tevent_req_nterror(req, status);
4830 return;
4831 }
4832 tevent_req_done(req);
4833 }
4834
4835 static struct tevent_req *cli_posix_unlink_internal_send(TALLOC_CTX *mem_ctx,
4836 struct event_context *ev,
4837 struct cli_state *cli,
4838 const char *fname,
4839 bool is_dir)
4840 {
4841 struct tevent_req *req = NULL, *subreq = NULL;
4842 struct unlink_state *state = NULL;
4843 uint8_t *param = NULL;
4844
4845 req = tevent_req_create(mem_ctx, &state, struct unlink_state);
4846 if (req == NULL) {
4847 return NULL;
4848 }
4849
4850 /* Setup setup word. */
4851 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
4852
4853 /* Setup param array. */
4854 param = talloc_array(state, uint8_t, 6);
4855 if (tevent_req_nomem(param, req)) {
4856 return tevent_req_post(req, ev);
4857 }
4858 memset(param, '\0', 6);
4859 SSVAL(param, 0, SMB_POSIX_PATH_UNLINK);
4860
4861 param = trans2_bytes_push_str(param, cli_ucs2(cli), fname,
4862 strlen(fname)+1, NULL);
4863
4864 if (tevent_req_nomem(param, req)) {
4865 return tevent_req_post(req, ev);
4866 }
4867
4868 /* Setup data word. */
4869 SSVAL(state->data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET :
4870 SMB_POSIX_UNLINK_FILE_TARGET);
4871
4872 subreq = cli_trans_send(state, /* mem ctx. */
4873 ev, /* event ctx. */
4874 cli, /* cli_state. */
4875 SMBtrans2, /* cmd. */
4876 NULL, /* pipe name. */
4877 -1, /* fid. */
4878 0, /* function. */
4879 0, /* flags. */
4880 &state->setup, /* setup. */
4881 1, /* num setup uint16_t words. */
4882 0, /* max returned setup. */
4883 param, /* param. */
4884 talloc_get_size(param), /* num param. */
4885 2, /* max returned param. */
4886 state->data, /* data. */
4887 2, /* num data. */
4888 0); /* max returned data. */
4889
4890 if (tevent_req_nomem(subreq, req)) {
4891 return tevent_req_post(req, ev);
4892 }
4893 tevent_req_set_callback(subreq, cli_posix_unlink_internal_done, req);
4894 return req;
4895 }
4896
4897 struct tevent_req *cli_posix_unlink_send(TALLOC_CTX *mem_ctx,
4898 struct event_context *ev,
4899 struct cli_state *cli,
4900 const char *fname)
4901 {
4902 return cli_posix_unlink_internal_send(mem_ctx, ev, cli, fname, false);
4903 }
4904
4905 NTSTATUS cli_posix_unlink_recv(struct tevent_req *req)
4906 {
4907 NTSTATUS status;
4908
4909 if (tevent_req_is_nterror(req, &status)) {
4910 return status;
4911 }
4912 return NT_STATUS_OK;
4913 }
4914
4915 /****************************************************************************
4916 unlink - POSIX semantics.
4917 ****************************************************************************/
4918
4919 NTSTATUS cli_posix_unlink(struct cli_state *cli, const char *fname)
4920 {
4921 TALLOC_CTX *frame = talloc_stackframe();
4922 struct event_context *ev = NULL;
4923 struct tevent_req *req = NULL;
4924 NTSTATUS status = NT_STATUS_OK;
4925
4926 if (cli_has_async_calls(cli)) {
4927 /*
4928 * Can't use sync call while an async call is in flight
4929 */
4930 status = NT_STATUS_INVALID_PARAMETER;
4931 goto fail;
4932 }
4933
4934 ev = event_context_init(frame);
4935 if (ev == NULL) {
4936 status = NT_STATUS_NO_MEMORY;
4937 goto fail;
4938 }
4939
4940 req = cli_posix_unlink_send(frame,
4941 ev,
4942 cli,
4943 fname);
4944 if (req == NULL) {
4945 status = NT_STATUS_NO_MEMORY;
4946 goto fail;
4947 }
4948
4949 if (!tevent_req_poll(req, ev)) {
4950 status = map_nt_error_from_unix(errno);
4951 goto fail;
4952 }
4953
4954 status = cli_posix_unlink_recv(req);
4955
4956 fail:
4957 TALLOC_FREE(frame);
4958 if (!NT_STATUS_IS_OK(status)) {
4959 cli_set_error(cli, status);
4960 }
4961 return status;
4962 }
4963
4964 /****************************************************************************
4965 rmdir - POSIX semantics.
4966 ****************************************************************************/
4967
4968 struct tevent_req *cli_posix_rmdir_send(TALLOC_CTX *mem_ctx,
4969 struct event_context *ev,
4970 struct cli_state *cli,
4971 const char *fname)
4972 {
4973 return cli_posix_unlink_internal_send(mem_ctx, ev, cli, fname, true);
4974 }
4975
4976 NTSTATUS cli_posix_rmdir_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx)
4977 {
4978 NTSTATUS status;
4979
4980 if (tevent_req_is_nterror(req, &status)) {
4981 return status;
4982 }
4983 return NT_STATUS_OK;
4984 }
4985
4986 NTSTATUS cli_posix_rmdir(struct cli_state *cli, const char *fname)
4987 {
4988 TALLOC_CTX *frame = talloc_stackframe();
4989 struct event_context *ev = NULL;
4990 struct tevent_req *req = NULL;
4991 NTSTATUS status = NT_STATUS_OK;
4992
4993 if (cli_has_async_calls(cli)) {
4994 /*
4995 * Can't use sync call while an async call is in flight
4996 */
4997 status = NT_STATUS_INVALID_PARAMETER;
4998 goto fail;
4999 }
5000
5001 ev = event_context_init(frame);
5002 if (ev == NULL) {
5003 status = NT_STATUS_NO_MEMORY;
5004 goto fail;
5005 }
5006
5007 req = cli_posix_rmdir_send(frame,
5008 ev,
5009 cli,
5010 fname);
5011 if (req == NULL) {
5012 status = NT_STATUS_NO_MEMORY;
5013 goto fail;
5014 }
5015
5016 if (!tevent_req_poll(req, ev)) {
5017 status = map_nt_error_from_unix(errno);
5018 goto fail;
5019 }
5020
5021 status = cli_posix_rmdir_recv(req, frame);
5022
5023 fail:
5024 TALLOC_FREE(frame);
5025 if (!NT_STATUS_IS_OK(status)) {
5026 cli_set_error(cli, status);
5027 }
5028 return status;
5029 }
5030
5031 /****************************************************************************
5032 filechangenotify
5033 ****************************************************************************/
5034
5035 struct cli_notify_state {
5036 uint8_t setup[8];
5037 uint32_t num_changes;
5038 struct notify_change *changes;
5039 };
5040
5041 static void cli_notify_done(struct tevent_req *subreq);
5042
5043 struct tevent_req *cli_notify_send(TALLOC_CTX *mem_ctx,
5044 struct tevent_context *ev,
5045 struct cli_state *cli, uint16_t fnum,
5046 uint32_t buffer_size,
5047 uint32_t completion_filter, bool recursive)
5048 {
5049 struct tevent_req *req, *subreq;
5050 struct cli_notify_state *state;
5051
5052 req = tevent_req_create(mem_ctx, &state, struct cli_notify_state);
5053 if (req == NULL) {
5054 return NULL;
5055 }
5056
5057 SIVAL(state->setup, 0, completion_filter);
5058 SSVAL(state->setup, 4, fnum);
5059 SSVAL(state->setup, 6, recursive);
5060
5061 subreq = cli_trans_send(
5062 state, /* mem ctx. */
5063 ev, /* event ctx. */
5064 cli, /* cli_state. */
5065 SMBnttrans, /* cmd. */
5066 NULL, /* pipe name. */
5067 -1, /* fid. */
5068 NT_TRANSACT_NOTIFY_CHANGE, /* function. */
5069 0, /* flags. */
5070 (uint16_t *)state->setup, /* setup. */
5071 4, /* num setup uint16_t words. */
5072 0, /* max returned setup. */
5073 NULL, /* param. */
5074 0, /* num param. */
5075 buffer_size, /* max returned param. */
5076 NULL, /* data. */
5077 0, /* num data. */
5078 0); /* max returned data. */
5079
5080 if (tevent_req_nomem(subreq, req)) {
5081 return tevent_req_post(req, ev);
5082 }
5083 tevent_req_set_callback(subreq, cli_notify_done, req);
5084 return req;
5085 }
5086
5087 static void cli_notify_done(struct tevent_req *subreq)
5088 {
5089 struct tevent_req *req = tevent_req_callback_data(
5090 subreq, struct tevent_req);
5091 struct cli_notify_state *state = tevent_req_data(
5092 req, struct cli_notify_state);
5093 NTSTATUS status;
5094 uint8_t *params;
5095 uint32_t i, ofs, num_params;
5096
5097 status = cli_trans_recv(subreq, talloc_tos(), NULL, NULL,
5098 &params, &num_params, NULL, NULL);
5099 TALLOC_FREE(subreq);
5100 if (!NT_STATUS_IS_OK(status)) {
5101 DEBUG(10, ("cli_trans_recv returned %s\n", nt_errstr(status)));
5102 tevent_req_nterror(req, status);
5103 return;
5104 }
5105
5106 state->num_changes = 0;
5107 ofs = 0;
5108
5109 while (num_params - ofs > 12) {
5110 uint32_t len = IVAL(params, ofs);
5111 state->num_changes += 1;
5112
5113 if ((len == 0) || (ofs+len >= num_params)) {
5114 break;
5115 }
5116 ofs += len;
5117 }
5118
5119 state->changes = talloc_array(state, struct notify_change,
5120 state->num_changes);
5121 if (tevent_req_nomem(state->changes, req)) {
5122 TALLOC_FREE(params);
5123 return;
5124 }
5125
5126 ofs = 0;
5127
5128 for (i=0; i<state->num_changes; i++) {
5129 uint32_t next = IVAL(params, ofs);
5130 uint32_t len = IVAL(params, ofs+8);
5131 ssize_t ret;
5132 char *name;
5133
5134 if ((next != 0) && (len+12 != next)) {
5135 TALLOC_FREE(params);
5136 tevent_req_nterror(
5137 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
5138 return;
5139 }
5140
5141 state->changes[i].action = IVAL(params, ofs+4);
5142 ret = clistr_pull_talloc(params, (char *)params, &name,
5143 params+ofs+12, len,
5144 STR_TERMINATE|STR_UNICODE);
5145 if (ret == -1) {
5146 TALLOC_FREE(params);
5147 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
5148 return;
5149 }
5150 state->changes[i].name = name;
5151 ofs += next;
5152 }
5153
5154 TALLOC_FREE(params);
5155 tevent_req_done(req);
5156 }
5157
5158 NTSTATUS cli_notify_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
5159 uint32_t *pnum_changes,
5160 struct notify_change **pchanges)
5161 {
5162 struct cli_notify_state *state = tevent_req_data(
5163 req, struct cli_notify_state);
5164 NTSTATUS status;
5165
5166 if (tevent_req_is_nterror(req, &status)) {
5167 return status;
5168 }
5169
5170 *pnum_changes = state->num_changes;
5171 *pchanges = talloc_move(mem_ctx, &state->changes);
5172 return NT_STATUS_OK;
5173 }
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