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s3-rpc_client: move protos to cli_lsarpc.h
[Samba/ekacnet.git] / source3 / libsmb / clifile.c
blob6e7a74f8d5d6e42d938008e14c0fe685b15b3439
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 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
123 NULL, 0, NULL, NULL, 0, NULL);
124 tevent_req_simple_finish_ntstatus(subreq, status);
125 }
126
127 static struct tevent_req *cli_posix_link_internal_send(TALLOC_CTX *mem_ctx,
128 struct event_context *ev,
129 struct cli_state *cli,
130 const char *oldname,
131 const char *newname,
132 bool hardlink)
133 {
134 struct tevent_req *req = NULL, *subreq = NULL;
135 struct link_state *state = NULL;
136
137 req = tevent_req_create(mem_ctx, &state, struct link_state);
138 if (req == NULL) {
139 return NULL;
140 }
141
142 /* Setup setup word. */
143 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
144
145 /* Setup param array. */
146 state->param = talloc_array(state, uint8_t, 6);
147 if (tevent_req_nomem(state->param, req)) {
148 return tevent_req_post(req, ev);
149 }
150 memset(state->param, '\0', 6);
151 SSVAL(state->param,0,hardlink ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
152
153 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), newname,
154 strlen(newname)+1, NULL);
155
156 if (tevent_req_nomem(state->param, req)) {
157 return tevent_req_post(req, ev);
158 }
159
160 /* Setup data array. */
161 state->data = talloc_array(state, uint8_t, 0);
162 if (tevent_req_nomem(state->data, req)) {
163 return tevent_req_post(req, ev);
164 }
165 state->data = trans2_bytes_push_str(state->data, cli_ucs2(cli), oldname,
166 strlen(oldname)+1, NULL);
167
168 subreq = cli_trans_send(state, /* mem ctx. */
169 ev, /* event ctx. */
170 cli, /* cli_state. */
171 SMBtrans2, /* cmd. */
172 NULL, /* pipe name. */
173 -1, /* fid. */
174 0, /* function. */
175 0, /* flags. */
176 &state->setup, /* setup. */
177 1, /* num setup uint16_t words. */
178 0, /* max returned setup. */
179 state->param, /* param. */
180 talloc_get_size(state->param), /* num param. */
181 2, /* max returned param. */
182 state->data, /* data. */
183 talloc_get_size(state->data), /* num data. */
184 0); /* max returned data. */
185
186 if (tevent_req_nomem(subreq, req)) {
187 return tevent_req_post(req, ev);
188 }
189 tevent_req_set_callback(subreq, cli_posix_link_internal_done, req);
190 return req;
191 }
192
193 /****************************************************************************
194 Symlink a file (UNIX extensions).
195 ****************************************************************************/
196
197 struct tevent_req *cli_posix_symlink_send(TALLOC_CTX *mem_ctx,
198 struct event_context *ev,
199 struct cli_state *cli,
200 const char *oldname,
201 const char *newname)
202 {
203 return cli_posix_link_internal_send(mem_ctx, ev, cli,
204 oldname, newname, false);
205 }
206
207 NTSTATUS cli_posix_symlink_recv(struct tevent_req *req)
208 {
209 NTSTATUS status;
210
211 if (tevent_req_is_nterror(req, &status)) {
212 return status;
213 }
214 return NT_STATUS_OK;
215 }
216
217 NTSTATUS cli_posix_symlink(struct cli_state *cli,
218 const char *oldname,
219 const char *newname)
220 {
221 TALLOC_CTX *frame = talloc_stackframe();
222 struct event_context *ev = NULL;
223 struct tevent_req *req = NULL;
224 NTSTATUS status = NT_STATUS_OK;
225
226 if (cli_has_async_calls(cli)) {
227 /*
228 * Can't use sync call while an async call is in flight
229 */
230 status = NT_STATUS_INVALID_PARAMETER;
231 goto fail;
232 }
233
234 ev = event_context_init(frame);
235 if (ev == NULL) {
236 status = NT_STATUS_NO_MEMORY;
237 goto fail;
238 }
239
240 req = cli_posix_symlink_send(frame,
241 ev,
242 cli,
243 oldname,
244 newname);
245 if (req == NULL) {
246 status = NT_STATUS_NO_MEMORY;
247 goto fail;
248 }
249
250 if (!tevent_req_poll(req, ev)) {
251 status = map_nt_error_from_unix(errno);
252 goto fail;
253 }
254
255 status = cli_posix_symlink_recv(req);
256
257 fail:
258 TALLOC_FREE(frame);
259 if (!NT_STATUS_IS_OK(status)) {
260 cli_set_error(cli, status);
261 }
262 return status;
263 }
264
265 /****************************************************************************
266 Read a POSIX symlink.
267 ****************************************************************************/
268
269 struct readlink_state {
270 uint16_t setup;
271 uint8_t *param;
272 uint8_t *data;
273 uint32_t num_data;
274 };
275
276 static void cli_posix_readlink_done(struct tevent_req *subreq)
277 {
278 struct tevent_req *req = tevent_req_callback_data(
279 subreq, struct tevent_req);
280 struct readlink_state *state = tevent_req_data(req, struct readlink_state);
281 NTSTATUS status;
282
283 status = cli_trans_recv(subreq, state, NULL, 0, NULL, NULL, 0, NULL,
284 &state->data, 0, &state->num_data);
285 TALLOC_FREE(subreq);
286 if (!NT_STATUS_IS_OK(status)) {
287 tevent_req_nterror(req, status);
288 return;
289 }
290 if (state->num_data == 0) {
291 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
292 return;
293 }
294 if (state->data[state->num_data-1] != '\0') {
295 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
296 return;
297 }
298 tevent_req_done(req);
299 }
300
301 struct tevent_req *cli_posix_readlink_send(TALLOC_CTX *mem_ctx,
302 struct event_context *ev,
303 struct cli_state *cli,
304 const char *fname,
305 size_t len)
306 {
307 struct tevent_req *req = NULL, *subreq = NULL;
308 struct readlink_state *state = NULL;
309 uint32_t maxbytelen = (uint32_t)(cli_ucs2(cli) ? len*3 : len);
310
311 if (maxbytelen < len) {
312 return NULL;
313 }
314
315 req = tevent_req_create(mem_ctx, &state, struct readlink_state);
316 if (req == NULL) {
317 return NULL;
318 }
319
320 /* Setup setup word. */
321 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
322
323 /* Setup param array. */
324 state->param = talloc_array(state, uint8_t, 6);
325 if (tevent_req_nomem(state->param, req)) {
326 return tevent_req_post(req, ev);
327 }
328 memset(state->param, '\0', 6);
329 SSVAL(state->param,0,SMB_QUERY_FILE_UNIX_LINK);
330
331 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
332 strlen(fname)+1, NULL);
333
334 if (tevent_req_nomem(state->param, req)) {
335 return tevent_req_post(req, ev);
336 }
337
338 subreq = cli_trans_send(state, /* mem ctx. */
339 ev, /* event ctx. */
340 cli, /* cli_state. */
341 SMBtrans2, /* cmd. */
342 NULL, /* pipe name. */
343 -1, /* fid. */
344 0, /* function. */
345 0, /* flags. */
346 &state->setup, /* setup. */
347 1, /* num setup uint16_t words. */
348 0, /* max returned setup. */
349 state->param, /* param. */
350 talloc_get_size(state->param), /* num param. */
351 2, /* max returned param. */
352 NULL, /* data. */
353 0, /* num data. */
354 maxbytelen); /* max returned data. */
355
356 if (tevent_req_nomem(subreq, req)) {
357 return tevent_req_post(req, ev);
358 }
359 tevent_req_set_callback(subreq, cli_posix_readlink_done, req);
360 return req;
361 }
362
363 NTSTATUS cli_posix_readlink_recv(struct tevent_req *req, struct cli_state *cli,
364 char *retpath, size_t len)
365 {
366 NTSTATUS status;
367 char *converted = NULL;
368 size_t converted_size = 0;
369 struct readlink_state *state = tevent_req_data(req, struct readlink_state);
370
371 if (tevent_req_is_nterror(req, &status)) {
372 return status;
373 }
374 /* The returned data is a pushed string, not raw data. */
375 if (!convert_string_talloc(state,
376 cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
377 CH_UNIX,
378 state->data,
379 state->num_data,
380 &converted,
381 &converted_size,
382 true)) {
383 return NT_STATUS_NO_MEMORY;
384 }
385
386 len = MIN(len,converted_size);
387 if (len == 0) {
388 return NT_STATUS_DATA_ERROR;
389 }
390 memcpy(retpath, converted, len);
391 return NT_STATUS_OK;
392 }
393
394 NTSTATUS cli_posix_readlink(struct cli_state *cli, const char *fname,
395 char *linkpath, size_t len)
396 {
397 TALLOC_CTX *frame = talloc_stackframe();
398 struct event_context *ev = NULL;
399 struct tevent_req *req = NULL;
400 NTSTATUS status = NT_STATUS_OK;
401
402 if (cli_has_async_calls(cli)) {
403 /*
404 * Can't use sync call while an async call is in flight
405 */
406 status = NT_STATUS_INVALID_PARAMETER;
407 goto fail;
408 }
409
410 ev = event_context_init(frame);
411 if (ev == NULL) {
412 status = NT_STATUS_NO_MEMORY;
413 goto fail;
414 }
415
416 /* Len is in bytes, we need it in UCS2 units. */
417 if (2*len < len) {
418 status = NT_STATUS_INVALID_PARAMETER;
419 goto fail;
420 }
421
422 req = cli_posix_readlink_send(frame,
423 ev,
424 cli,
425 fname,
426 len);
427 if (req == NULL) {
428 status = NT_STATUS_NO_MEMORY;
429 goto fail;
430 }
431
432 if (!tevent_req_poll(req, ev)) {
433 status = map_nt_error_from_unix(errno);
434 goto fail;
435 }
436
437 status = cli_posix_readlink_recv(req, cli, linkpath, len);
438
439 fail:
440 TALLOC_FREE(frame);
441 if (!NT_STATUS_IS_OK(status)) {
442 cli_set_error(cli, status);
443 }
444 return status;
445 }
446
447 /****************************************************************************
448 Hard link a file (UNIX extensions).
449 ****************************************************************************/
450
451 struct tevent_req *cli_posix_hardlink_send(TALLOC_CTX *mem_ctx,
452 struct event_context *ev,
453 struct cli_state *cli,
454 const char *oldname,
455 const char *newname)
456 {
457 return cli_posix_link_internal_send(mem_ctx, ev, cli,
458 oldname, newname, true);
459 }
460
461 NTSTATUS cli_posix_hardlink_recv(struct tevent_req *req)
462 {
463 NTSTATUS status;
464
465 if (tevent_req_is_nterror(req, &status)) {
466 return status;
467 }
468 return NT_STATUS_OK;
469 }
470
471 NTSTATUS cli_posix_hardlink(struct cli_state *cli,
472 const char *oldname,
473 const char *newname)
474 {
475 TALLOC_CTX *frame = talloc_stackframe();
476 struct event_context *ev = NULL;
477 struct tevent_req *req = NULL;
478 NTSTATUS status = NT_STATUS_OK;
479
480 if (cli_has_async_calls(cli)) {
481 /*
482 * Can't use sync call while an async call is in flight
483 */
484 status = NT_STATUS_INVALID_PARAMETER;
485 goto fail;
486 }
487
488 ev = event_context_init(frame);
489 if (ev == NULL) {
490 status = NT_STATUS_NO_MEMORY;
491 goto fail;
492 }
493
494 req = cli_posix_hardlink_send(frame,
495 ev,
496 cli,
497 oldname,
498 newname);
499 if (req == NULL) {
500 status = NT_STATUS_NO_MEMORY;
501 goto fail;
502 }
503
504 if (!tevent_req_poll(req, ev)) {
505 status = map_nt_error_from_unix(errno);
506 goto fail;
507 }
508
509 status = cli_posix_hardlink_recv(req);
510
511 fail:
512 TALLOC_FREE(frame);
513 if (!NT_STATUS_IS_OK(status)) {
514 cli_set_error(cli, status);
515 }
516 return status;
517 }
518
519 /****************************************************************************
520 Map standard UNIX permissions onto wire representations.
521 ****************************************************************************/
522
523 uint32_t unix_perms_to_wire(mode_t perms)
524 {
525 unsigned int ret = 0;
526
527 ret |= ((perms & S_IXOTH) ? UNIX_X_OTH : 0);
528 ret |= ((perms & S_IWOTH) ? UNIX_W_OTH : 0);
529 ret |= ((perms & S_IROTH) ? UNIX_R_OTH : 0);
530 ret |= ((perms & S_IXGRP) ? UNIX_X_GRP : 0);
531 ret |= ((perms & S_IWGRP) ? UNIX_W_GRP : 0);
532 ret |= ((perms & S_IRGRP) ? UNIX_R_GRP : 0);
533 ret |= ((perms & S_IXUSR) ? UNIX_X_USR : 0);
534 ret |= ((perms & S_IWUSR) ? UNIX_W_USR : 0);
535 ret |= ((perms & S_IRUSR) ? UNIX_R_USR : 0);
536 #ifdef S_ISVTX
537 ret |= ((perms & S_ISVTX) ? UNIX_STICKY : 0);
538 #endif
539 #ifdef S_ISGID
540 ret |= ((perms & S_ISGID) ? UNIX_SET_GID : 0);
541 #endif
542 #ifdef S_ISUID
543 ret |= ((perms & S_ISUID) ? UNIX_SET_UID : 0);
544 #endif
545 return ret;
546 }
547
548 /****************************************************************************
549 Map wire permissions to standard UNIX.
550 ****************************************************************************/
551
552 mode_t wire_perms_to_unix(uint32_t perms)
553 {
554 mode_t ret = (mode_t)0;
555
556 ret |= ((perms & UNIX_X_OTH) ? S_IXOTH : 0);
557 ret |= ((perms & UNIX_W_OTH) ? S_IWOTH : 0);
558 ret |= ((perms & UNIX_R_OTH) ? S_IROTH : 0);
559 ret |= ((perms & UNIX_X_GRP) ? S_IXGRP : 0);
560 ret |= ((perms & UNIX_W_GRP) ? S_IWGRP : 0);
561 ret |= ((perms & UNIX_R_GRP) ? S_IRGRP : 0);
562 ret |= ((perms & UNIX_X_USR) ? S_IXUSR : 0);
563 ret |= ((perms & UNIX_W_USR) ? S_IWUSR : 0);
564 ret |= ((perms & UNIX_R_USR) ? S_IRUSR : 0);
565 #ifdef S_ISVTX
566 ret |= ((perms & UNIX_STICKY) ? S_ISVTX : 0);
567 #endif
568 #ifdef S_ISGID
569 ret |= ((perms & UNIX_SET_GID) ? S_ISGID : 0);
570 #endif
571 #ifdef S_ISUID
572 ret |= ((perms & UNIX_SET_UID) ? S_ISUID : 0);
573 #endif
574 return ret;
575 }
576
577 /****************************************************************************
578 Return the file type from the wire filetype for UNIX extensions.
579 ****************************************************************************/
580
581 static mode_t unix_filetype_from_wire(uint32_t wire_type)
582 {
583 switch (wire_type) {
584 case UNIX_TYPE_FILE:
585 return S_IFREG;
586 case UNIX_TYPE_DIR:
587 return S_IFDIR;
588 #ifdef S_IFLNK
589 case UNIX_TYPE_SYMLINK:
590 return S_IFLNK;
591 #endif
592 #ifdef S_IFCHR
593 case UNIX_TYPE_CHARDEV:
594 return S_IFCHR;
595 #endif
596 #ifdef S_IFBLK
597 case UNIX_TYPE_BLKDEV:
598 return S_IFBLK;
599 #endif
600 #ifdef S_IFIFO
601 case UNIX_TYPE_FIFO:
602 return S_IFIFO;
603 #endif
604 #ifdef S_IFSOCK
605 case UNIX_TYPE_SOCKET:
606 return S_IFSOCK;
607 #endif
608 default:
609 return (mode_t)0;
610 }
611 }
612
613 /****************************************************************************
614 Do a POSIX getfacl (UNIX extensions).
615 ****************************************************************************/
616
617 struct getfacl_state {
618 uint16_t setup;
619 uint8_t *param;
620 uint32_t num_data;
621 uint8_t *data;
622 };
623
624 static void cli_posix_getfacl_done(struct tevent_req *subreq)
625 {
626 struct tevent_req *req = tevent_req_callback_data(
627 subreq, struct tevent_req);
628 struct getfacl_state *state = tevent_req_data(req, struct getfacl_state);
629 NTSTATUS status;
630
631 status = cli_trans_recv(subreq, state, NULL, 0, NULL, NULL, 0, NULL,
632 &state->data, 0, &state->num_data);
633 TALLOC_FREE(subreq);
634 if (!NT_STATUS_IS_OK(status)) {
635 tevent_req_nterror(req, status);
636 return;
637 }
638 tevent_req_done(req);
639 }
640
641 struct tevent_req *cli_posix_getfacl_send(TALLOC_CTX *mem_ctx,
642 struct event_context *ev,
643 struct cli_state *cli,
644 const char *fname)
645 {
646 struct tevent_req *req = NULL, *subreq = NULL;
647 struct link_state *state = NULL;
648
649 req = tevent_req_create(mem_ctx, &state, struct getfacl_state);
650 if (req == NULL) {
651 return NULL;
652 }
653
654 /* Setup setup word. */
655 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
656
657 /* Setup param array. */
658 state->param = talloc_array(state, uint8_t, 6);
659 if (tevent_req_nomem(state->param, req)) {
660 return tevent_req_post(req, ev);
661 }
662 memset(state->param, '\0', 6);
663 SSVAL(state->param, 0, SMB_QUERY_POSIX_ACL);
664
665 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
666 strlen(fname)+1, NULL);
667
668 if (tevent_req_nomem(state->param, req)) {
669 return tevent_req_post(req, ev);
670 }
671
672 subreq = cli_trans_send(state, /* mem ctx. */
673 ev, /* event ctx. */
674 cli, /* cli_state. */
675 SMBtrans2, /* cmd. */
676 NULL, /* pipe name. */
677 -1, /* fid. */
678 0, /* function. */
679 0, /* flags. */
680 &state->setup, /* setup. */
681 1, /* num setup uint16_t words. */
682 0, /* max returned setup. */
683 state->param, /* param. */
684 talloc_get_size(state->param), /* num param. */
685 2, /* max returned param. */
686 NULL, /* data. */
687 0, /* num data. */
688 cli->max_xmit); /* max returned data. */
689
690 if (tevent_req_nomem(subreq, req)) {
691 return tevent_req_post(req, ev);
692 }
693 tevent_req_set_callback(subreq, cli_posix_getfacl_done, req);
694 return req;
695 }
696
697 NTSTATUS cli_posix_getfacl_recv(struct tevent_req *req,
698 TALLOC_CTX *mem_ctx,
699 size_t *prb_size,
700 char **retbuf)
701 {
702 struct getfacl_state *state = tevent_req_data(req, struct getfacl_state);
703 NTSTATUS status;
704
705 if (tevent_req_is_nterror(req, &status)) {
706 return status;
707 }
708 *prb_size = (size_t)state->num_data;
709 *retbuf = (char *)talloc_move(mem_ctx, &state->data);
710 return NT_STATUS_OK;
711 }
712
713 NTSTATUS cli_posix_getfacl(struct cli_state *cli,
714 const char *fname,
715 TALLOC_CTX *mem_ctx,
716 size_t *prb_size,
717 char **retbuf)
718 {
719 TALLOC_CTX *frame = talloc_stackframe();
720 struct event_context *ev = NULL;
721 struct tevent_req *req = NULL;
722 NTSTATUS status = NT_STATUS_OK;
723
724 if (cli_has_async_calls(cli)) {
725 /*
726 * Can't use sync call while an async call is in flight
727 */
728 status = NT_STATUS_INVALID_PARAMETER;
729 goto fail;
730 }
731
732 ev = event_context_init(frame);
733 if (ev == NULL) {
734 status = NT_STATUS_NO_MEMORY;
735 goto fail;
736 }
737
738 req = cli_posix_getfacl_send(frame,
739 ev,
740 cli,
741 fname);
742 if (req == NULL) {
743 status = NT_STATUS_NO_MEMORY;
744 goto fail;
745 }
746
747 if (!tevent_req_poll(req, ev)) {
748 status = map_nt_error_from_unix(errno);
749 goto fail;
750 }
751
752 status = cli_posix_getfacl_recv(req, mem_ctx, prb_size, retbuf);
753
754 fail:
755 TALLOC_FREE(frame);
756 if (!NT_STATUS_IS_OK(status)) {
757 cli_set_error(cli, status);
758 }
759 return status;
760 }
761
762 /****************************************************************************
763 Stat a file (UNIX extensions).
764 ****************************************************************************/
765
766 struct stat_state {
767 uint16_t setup;
768 uint8_t *param;
769 uint32_t num_data;
770 uint8_t *data;
771 };
772
773 static void cli_posix_stat_done(struct tevent_req *subreq)
774 {
775 struct tevent_req *req = tevent_req_callback_data(
776 subreq, struct tevent_req);
777 struct stat_state *state = tevent_req_data(req, struct stat_state);
778 NTSTATUS status;
779
780 status = cli_trans_recv(subreq, state, NULL, 0, NULL, NULL, 0, NULL,
781 &state->data, 96, &state->num_data);
782 TALLOC_FREE(subreq);
783 if (!NT_STATUS_IS_OK(status)) {
784 tevent_req_nterror(req, status);
785 return;
786 }
787 tevent_req_done(req);
788 }
789
790 struct tevent_req *cli_posix_stat_send(TALLOC_CTX *mem_ctx,
791 struct event_context *ev,
792 struct cli_state *cli,
793 const char *fname)
794 {
795 struct tevent_req *req = NULL, *subreq = NULL;
796 struct stat_state *state = NULL;
797
798 req = tevent_req_create(mem_ctx, &state, struct stat_state);
799 if (req == NULL) {
800 return NULL;
801 }
802
803 /* Setup setup word. */
804 SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
805
806 /* Setup param array. */
807 state->param = talloc_array(state, uint8_t, 6);
808 if (tevent_req_nomem(state->param, req)) {
809 return tevent_req_post(req, ev);
810 }
811 memset(state->param, '\0', 6);
812 SSVAL(state->param, 0, SMB_QUERY_FILE_UNIX_BASIC);
813
814 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
815 strlen(fname)+1, NULL);
816
817 if (tevent_req_nomem(state->param, req)) {
818 return tevent_req_post(req, ev);
819 }
820
821 subreq = cli_trans_send(state, /* mem ctx. */
822 ev, /* event ctx. */
823 cli, /* cli_state. */
824 SMBtrans2, /* cmd. */
825 NULL, /* pipe name. */
826 -1, /* fid. */
827 0, /* function. */
828 0, /* flags. */
829 &state->setup, /* setup. */
830 1, /* num setup uint16_t words. */
831 0, /* max returned setup. */
832 state->param, /* param. */
833 talloc_get_size(state->param), /* num param. */
834 2, /* max returned param. */
835 NULL, /* data. */
836 0, /* num data. */
837 96); /* max returned data. */
838
839 if (tevent_req_nomem(subreq, req)) {
840 return tevent_req_post(req, ev);
841 }
842 tevent_req_set_callback(subreq, cli_posix_stat_done, req);
843 return req;
844 }
845
846 NTSTATUS cli_posix_stat_recv(struct tevent_req *req,
847 SMB_STRUCT_STAT *sbuf)
848 {
849 struct stat_state *state = tevent_req_data(req, struct stat_state);
850 NTSTATUS status;
851
852 if (tevent_req_is_nterror(req, &status)) {
853 return status;
854 }
855
856 if (state->num_data != 96) {
857 return NT_STATUS_DATA_ERROR;
858 }
859
860 sbuf->st_ex_size = IVAL2_TO_SMB_BIG_UINT(state->data,0); /* total size, in bytes */
861 sbuf->st_ex_blocks = IVAL2_TO_SMB_BIG_UINT(state->data,8); /* number of blocks allocated */
862 #if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
863 sbuf->st_ex_blocks /= STAT_ST_BLOCKSIZE;
864 #else
865 /* assume 512 byte blocks */
866 sbuf->st_ex_blocks /= 512;
867 #endif
868 sbuf->st_ex_ctime = interpret_long_date((char *)(state->data + 16)); /* time of last change */
869 sbuf->st_ex_atime = interpret_long_date((char *)(state->data + 24)); /* time of last access */
870 sbuf->st_ex_mtime = interpret_long_date((char *)(state->data + 32)); /* time of last modification */
871
872 sbuf->st_ex_uid = (uid_t) IVAL(state->data,40); /* user ID of owner */
873 sbuf->st_ex_gid = (gid_t) IVAL(state->data,48); /* group ID of owner */
874 sbuf->st_ex_mode = unix_filetype_from_wire(IVAL(state->data, 56));
875 #if defined(HAVE_MAKEDEV)
876 {
877 uint32_t dev_major = IVAL(state->data,60);
878 uint32_t dev_minor = IVAL(state->data,68);
879 sbuf->st_ex_rdev = makedev(dev_major, dev_minor);
880 }
881 #endif
882 sbuf->st_ex_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(state->data,76); /* inode */
883 sbuf->st_ex_mode |= wire_perms_to_unix(IVAL(state->data,84)); /* protection */
884 sbuf->st_ex_nlink = IVAL(state->data,92); /* number of hard links */
885
886 return NT_STATUS_OK;
887 }
888
889 NTSTATUS cli_posix_stat(struct cli_state *cli,
890 const char *fname,
891 SMB_STRUCT_STAT *sbuf)
892 {
893 TALLOC_CTX *frame = talloc_stackframe();
894 struct event_context *ev = NULL;
895 struct tevent_req *req = NULL;
896 NTSTATUS status = NT_STATUS_OK;
897
898 if (cli_has_async_calls(cli)) {
899 /*
900 * Can't use sync call while an async call is in flight
901 */
902 status = NT_STATUS_INVALID_PARAMETER;
903 goto fail;
904 }
905
906 ev = event_context_init(frame);
907 if (ev == NULL) {
908 status = NT_STATUS_NO_MEMORY;
909 goto fail;
910 }
911
912 req = cli_posix_stat_send(frame,
913 ev,
914 cli,
915 fname);
916 if (req == NULL) {
917 status = NT_STATUS_NO_MEMORY;
918 goto fail;
919 }
920
921 if (!tevent_req_poll(req, ev)) {
922 status = map_nt_error_from_unix(errno);
923 goto fail;
924 }
925
926 status = cli_posix_stat_recv(req, sbuf);
927
928 fail:
929 TALLOC_FREE(frame);
930 if (!NT_STATUS_IS_OK(status)) {
931 cli_set_error(cli, status);
932 }
933 return status;
934 }
935
936 /****************************************************************************
937 Chmod or chown a file internal (UNIX extensions).
938 ****************************************************************************/
939
940 struct ch_state {
941 uint16_t setup;
942 uint8_t *param;
943 uint8_t *data;
944 };
945
946 static void cli_posix_chown_chmod_internal_done(struct tevent_req *subreq)
947 {
948 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
949 NULL, 0, NULL, NULL, 0, NULL);
950 tevent_req_simple_finish_ntstatus(subreq, status);
951 }
952
953 static struct tevent_req *cli_posix_chown_chmod_internal_send(TALLOC_CTX *mem_ctx,
954 struct event_context *ev,
955 struct cli_state *cli,
956 const char *fname,
957 uint32_t mode,
958 uint32_t uid,
959 uint32_t gid)
960 {
961 struct tevent_req *req = NULL, *subreq = NULL;
962 struct ch_state *state = NULL;
963
964 req = tevent_req_create(mem_ctx, &state, struct ch_state);
965 if (req == NULL) {
966 return NULL;
967 }
968
969 /* Setup setup word. */
970 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
971
972 /* Setup param array. */
973 state->param = talloc_array(state, uint8_t, 6);
974 if (tevent_req_nomem(state->param, req)) {
975 return tevent_req_post(req, ev);
976 }
977 memset(state->param, '\0', 6);
978 SSVAL(state->param,0,SMB_SET_FILE_UNIX_BASIC);
979
980 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
981 strlen(fname)+1, NULL);
982
983 if (tevent_req_nomem(state->param, req)) {
984 return tevent_req_post(req, ev);
985 }
986
987 /* Setup data array. */
988 state->data = talloc_array(state, uint8_t, 100);
989 if (tevent_req_nomem(state->data, req)) {
990 return tevent_req_post(req, ev);
991 }
992 memset(state->data, 0xff, 40); /* Set all sizes/times to no change. */
993 memset(&state->data[40], '\0', 60);
994 SIVAL(state->data,40,uid);
995 SIVAL(state->data,48,gid);
996 SIVAL(state->data,84,mode);
997
998 subreq = cli_trans_send(state, /* mem ctx. */
999 ev, /* event ctx. */
1000 cli, /* cli_state. */
1001 SMBtrans2, /* cmd. */
1002 NULL, /* pipe name. */
1003 -1, /* fid. */
1004 0, /* function. */
1005 0, /* flags. */
1006 &state->setup, /* setup. */
1007 1, /* num setup uint16_t words. */
1008 0, /* max returned setup. */
1009 state->param, /* param. */
1010 talloc_get_size(state->param), /* num param. */
1011 2, /* max returned param. */
1012 state->data, /* data. */
1013 talloc_get_size(state->data), /* num data. */
1014 0); /* max returned data. */
1015
1016 if (tevent_req_nomem(subreq, req)) {
1017 return tevent_req_post(req, ev);
1018 }
1019 tevent_req_set_callback(subreq, cli_posix_chown_chmod_internal_done, req);
1020 return req;
1021 }
1022
1023 /****************************************************************************
1024 chmod a file (UNIX extensions).
1025 ****************************************************************************/
1026
1027 struct tevent_req *cli_posix_chmod_send(TALLOC_CTX *mem_ctx,
1028 struct event_context *ev,
1029 struct cli_state *cli,
1030 const char *fname,
1031 mode_t mode)
1032 {
1033 return cli_posix_chown_chmod_internal_send(mem_ctx, ev, cli,
1034 fname,
1035 unix_perms_to_wire(mode),
1036 SMB_UID_NO_CHANGE,
1037 SMB_GID_NO_CHANGE);
1038 }
1039
1040 NTSTATUS cli_posix_chmod_recv(struct tevent_req *req)
1041 {
1042 NTSTATUS status;
1043
1044 if (tevent_req_is_nterror(req, &status)) {
1045 return status;
1046 }
1047 return NT_STATUS_OK;
1048 }
1049
1050 NTSTATUS cli_posix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
1051 {
1052 TALLOC_CTX *frame = talloc_stackframe();
1053 struct event_context *ev = NULL;
1054 struct tevent_req *req = NULL;
1055 NTSTATUS status = NT_STATUS_OK;
1056
1057 if (cli_has_async_calls(cli)) {
1058 /*
1059 * Can't use sync call while an async call is in flight
1060 */
1061 status = NT_STATUS_INVALID_PARAMETER;
1062 goto fail;
1063 }
1064
1065 ev = event_context_init(frame);
1066 if (ev == NULL) {
1067 status = NT_STATUS_NO_MEMORY;
1068 goto fail;
1069 }
1070
1071 req = cli_posix_chmod_send(frame,
1072 ev,
1073 cli,
1074 fname,
1075 mode);
1076 if (req == NULL) {
1077 status = NT_STATUS_NO_MEMORY;
1078 goto fail;
1079 }
1080
1081 if (!tevent_req_poll(req, ev)) {
1082 status = map_nt_error_from_unix(errno);
1083 goto fail;
1084 }
1085
1086 status = cli_posix_chmod_recv(req);
1087
1088 fail:
1089 TALLOC_FREE(frame);
1090 if (!NT_STATUS_IS_OK(status)) {
1091 cli_set_error(cli, status);
1092 }
1093 return status;
1094 }
1095
1096 /****************************************************************************
1097 chown a file (UNIX extensions).
1098 ****************************************************************************/
1099
1100 struct tevent_req *cli_posix_chown_send(TALLOC_CTX *mem_ctx,
1101 struct event_context *ev,
1102 struct cli_state *cli,
1103 const char *fname,
1104 uid_t uid,
1105 gid_t gid)
1106 {
1107 return cli_posix_chown_chmod_internal_send(mem_ctx, ev, cli,
1108 fname,
1109 SMB_MODE_NO_CHANGE,
1110 (uint32_t)uid,
1111 (uint32_t)gid);
1112 }
1113
1114 NTSTATUS cli_posix_chown_recv(struct tevent_req *req)
1115 {
1116 NTSTATUS status;
1117
1118 if (tevent_req_is_nterror(req, &status)) {
1119 return status;
1120 }
1121 return NT_STATUS_OK;
1122 }
1123
1124 NTSTATUS cli_posix_chown(struct cli_state *cli,
1125 const char *fname,
1126 uid_t uid,
1127 gid_t gid)
1128 {
1129 TALLOC_CTX *frame = talloc_stackframe();
1130 struct event_context *ev = NULL;
1131 struct tevent_req *req = NULL;
1132 NTSTATUS status = NT_STATUS_OK;
1133
1134 if (cli_has_async_calls(cli)) {
1135 /*
1136 * Can't use sync call while an async call is in flight
1137 */
1138 status = NT_STATUS_INVALID_PARAMETER;
1139 goto fail;
1140 }
1141
1142 ev = event_context_init(frame);
1143 if (ev == NULL) {
1144 status = NT_STATUS_NO_MEMORY;
1145 goto fail;
1146 }
1147
1148 req = cli_posix_chown_send(frame,
1149 ev,
1150 cli,
1151 fname,
1152 uid,
1153 gid);
1154 if (req == NULL) {
1155 status = NT_STATUS_NO_MEMORY;
1156 goto fail;
1157 }
1158
1159 if (!tevent_req_poll(req, ev)) {
1160 status = map_nt_error_from_unix(errno);
1161 goto fail;
1162 }
1163
1164 status = cli_posix_chown_recv(req);
1165
1166 fail:
1167 TALLOC_FREE(frame);
1168 if (!NT_STATUS_IS_OK(status)) {
1169 cli_set_error(cli, status);
1170 }
1171 return status;
1172 }
1173
1174 /****************************************************************************
1175 Rename a file.
1176 ****************************************************************************/
1177
1178 static void cli_rename_done(struct tevent_req *subreq);
1179
1180 struct cli_rename_state {
1181 uint16_t vwv[1];
1182 };
1183
1184 struct tevent_req *cli_rename_send(TALLOC_CTX *mem_ctx,
1185 struct event_context *ev,
1186 struct cli_state *cli,
1187 const char *fname_src,
1188 const char *fname_dst)
1189 {
1190 struct tevent_req *req = NULL, *subreq = NULL;
1191 struct cli_rename_state *state = NULL;
1192 uint8_t additional_flags = 0;
1193 uint8_t *bytes = NULL;
1194
1195 req = tevent_req_create(mem_ctx, &state, struct cli_rename_state);
1196 if (req == NULL) {
1197 return NULL;
1198 }
1199
1200 SSVAL(state->vwv+0, 0, aSYSTEM | aHIDDEN | aDIR);
1201
1202 bytes = talloc_array(state, uint8_t, 1);
1203 if (tevent_req_nomem(bytes, req)) {
1204 return tevent_req_post(req, ev);
1205 }
1206 bytes[0] = 4;
1207 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_src,
1208 strlen(fname_src)+1, NULL);
1209 if (tevent_req_nomem(bytes, req)) {
1210 return tevent_req_post(req, ev);
1211 }
1212
1213 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
1214 talloc_get_size(bytes)+1);
1215 if (tevent_req_nomem(bytes, req)) {
1216 return tevent_req_post(req, ev);
1217 }
1218
1219 bytes[talloc_get_size(bytes)-1] = 4;
1220 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_dst,
1221 strlen(fname_dst)+1, NULL);
1222 if (tevent_req_nomem(bytes, req)) {
1223 return tevent_req_post(req, ev);
1224 }
1225
1226 subreq = cli_smb_send(state, ev, cli, SMBmv, additional_flags,
1227 1, state->vwv, talloc_get_size(bytes), bytes);
1228 if (tevent_req_nomem(subreq, req)) {
1229 return tevent_req_post(req, ev);
1230 }
1231 tevent_req_set_callback(subreq, cli_rename_done, req);
1232 return req;
1233 }
1234
1235 static void cli_rename_done(struct tevent_req *subreq)
1236 {
1237 struct tevent_req *req = tevent_req_callback_data(
1238 subreq, struct tevent_req);
1239 NTSTATUS status;
1240
1241 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1242 TALLOC_FREE(subreq);
1243 if (!NT_STATUS_IS_OK(status)) {
1244 tevent_req_nterror(req, status);
1245 return;
1246 }
1247 tevent_req_done(req);
1248 }
1249
1250 NTSTATUS cli_rename_recv(struct tevent_req *req)
1251 {
1252 return tevent_req_simple_recv_ntstatus(req);
1253 }
1254
1255 NTSTATUS cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1256 {
1257 TALLOC_CTX *frame = talloc_stackframe();
1258 struct event_context *ev;
1259 struct tevent_req *req;
1260 NTSTATUS status = NT_STATUS_OK;
1261
1262 if (cli_has_async_calls(cli)) {
1263 /*
1264 * Can't use sync call while an async call is in flight
1265 */
1266 status = NT_STATUS_INVALID_PARAMETER;
1267 goto fail;
1268 }
1269
1270 ev = event_context_init(frame);
1271 if (ev == NULL) {
1272 status = NT_STATUS_NO_MEMORY;
1273 goto fail;
1274 }
1275
1276 req = cli_rename_send(frame, ev, cli, fname_src, fname_dst);
1277 if (req == NULL) {
1278 status = NT_STATUS_NO_MEMORY;
1279 goto fail;
1280 }
1281
1282 if (!tevent_req_poll(req, ev)) {
1283 status = map_nt_error_from_unix(errno);
1284 goto fail;
1285 }
1286
1287 status = cli_rename_recv(req);
1288
1289 fail:
1290 TALLOC_FREE(frame);
1291 if (!NT_STATUS_IS_OK(status)) {
1292 cli_set_error(cli, status);
1293 }
1294 return status;
1295 }
1296
1297 /****************************************************************************
1298 NT Rename a file.
1299 ****************************************************************************/
1300
1301 static void cli_ntrename_internal_done(struct tevent_req *subreq);
1302
1303 struct cli_ntrename_internal_state {
1304 uint16_t vwv[4];
1305 };
1306
1307 static struct tevent_req *cli_ntrename_internal_send(TALLOC_CTX *mem_ctx,
1308 struct event_context *ev,
1309 struct cli_state *cli,
1310 const char *fname_src,
1311 const char *fname_dst,
1312 uint16_t rename_flag)
1313 {
1314 struct tevent_req *req = NULL, *subreq = NULL;
1315 struct cli_ntrename_internal_state *state = NULL;
1316 uint8_t additional_flags = 0;
1317 uint8_t *bytes = NULL;
1318
1319 req = tevent_req_create(mem_ctx, &state,
1320 struct cli_ntrename_internal_state);
1321 if (req == NULL) {
1322 return NULL;
1323 }
1324
1325 SSVAL(state->vwv+0, 0 ,aSYSTEM | aHIDDEN | aDIR);
1326 SSVAL(state->vwv+1, 0, rename_flag);
1327
1328 bytes = talloc_array(state, uint8_t, 1);
1329 if (tevent_req_nomem(bytes, req)) {
1330 return tevent_req_post(req, ev);
1331 }
1332 bytes[0] = 4;
1333 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_src,
1334 strlen(fname_src)+1, NULL);
1335 if (tevent_req_nomem(bytes, req)) {
1336 return tevent_req_post(req, ev);
1337 }
1338
1339 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
1340 talloc_get_size(bytes)+1);
1341 if (tevent_req_nomem(bytes, req)) {
1342 return tevent_req_post(req, ev);
1343 }
1344
1345 bytes[talloc_get_size(bytes)-1] = 4;
1346 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname_dst,
1347 strlen(fname_dst)+1, NULL);
1348 if (tevent_req_nomem(bytes, req)) {
1349 return tevent_req_post(req, ev);
1350 }
1351
1352 subreq = cli_smb_send(state, ev, cli, SMBntrename, additional_flags,
1353 4, state->vwv, talloc_get_size(bytes), bytes);
1354 if (tevent_req_nomem(subreq, req)) {
1355 return tevent_req_post(req, ev);
1356 }
1357 tevent_req_set_callback(subreq, cli_ntrename_internal_done, req);
1358 return req;
1359 }
1360
1361 static void cli_ntrename_internal_done(struct tevent_req *subreq)
1362 {
1363 struct tevent_req *req = tevent_req_callback_data(
1364 subreq, struct tevent_req);
1365 NTSTATUS status;
1366
1367 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1368 TALLOC_FREE(subreq);
1369 if (!NT_STATUS_IS_OK(status)) {
1370 tevent_req_nterror(req, status);
1371 return;
1372 }
1373 tevent_req_done(req);
1374 }
1375
1376 static NTSTATUS cli_ntrename_internal_recv(struct tevent_req *req)
1377 {
1378 return tevent_req_simple_recv_ntstatus(req);
1379 }
1380
1381 struct tevent_req *cli_ntrename_send(TALLOC_CTX *mem_ctx,
1382 struct event_context *ev,
1383 struct cli_state *cli,
1384 const char *fname_src,
1385 const char *fname_dst)
1386 {
1387 return cli_ntrename_internal_send(mem_ctx,
1388 ev,
1389 cli,
1390 fname_src,
1391 fname_dst,
1392 RENAME_FLAG_RENAME);
1393 }
1394
1395 NTSTATUS cli_ntrename_recv(struct tevent_req *req)
1396 {
1397 return cli_ntrename_internal_recv(req);
1398 }
1399
1400 NTSTATUS cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1401 {
1402 TALLOC_CTX *frame = talloc_stackframe();
1403 struct event_context *ev;
1404 struct tevent_req *req;
1405 NTSTATUS status = NT_STATUS_OK;
1406
1407 if (cli_has_async_calls(cli)) {
1408 /*
1409 * Can't use sync call while an async call is in flight
1410 */
1411 status = NT_STATUS_INVALID_PARAMETER;
1412 goto fail;
1413 }
1414
1415 ev = event_context_init(frame);
1416 if (ev == NULL) {
1417 status = NT_STATUS_NO_MEMORY;
1418 goto fail;
1419 }
1420
1421 req = cli_ntrename_send(frame, ev, cli, fname_src, fname_dst);
1422 if (req == NULL) {
1423 status = NT_STATUS_NO_MEMORY;
1424 goto fail;
1425 }
1426
1427 if (!tevent_req_poll(req, ev)) {
1428 status = map_nt_error_from_unix(errno);
1429 goto fail;
1430 }
1431
1432 status = cli_ntrename_recv(req);
1433
1434 fail:
1435 TALLOC_FREE(frame);
1436 if (!NT_STATUS_IS_OK(status)) {
1437 cli_set_error(cli, status);
1438 }
1439 return status;
1440 }
1441
1442 /****************************************************************************
1443 NT hardlink a file.
1444 ****************************************************************************/
1445
1446 struct tevent_req *cli_nt_hardlink_send(TALLOC_CTX *mem_ctx,
1447 struct event_context *ev,
1448 struct cli_state *cli,
1449 const char *fname_src,
1450 const char *fname_dst)
1451 {
1452 return cli_ntrename_internal_send(mem_ctx,
1453 ev,
1454 cli,
1455 fname_src,
1456 fname_dst,
1457 RENAME_FLAG_HARD_LINK);
1458 }
1459
1460 NTSTATUS cli_nt_hardlink_recv(struct tevent_req *req)
1461 {
1462 return cli_ntrename_internal_recv(req);
1463 }
1464
1465 NTSTATUS cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
1466 {
1467 TALLOC_CTX *frame = talloc_stackframe();
1468 struct event_context *ev;
1469 struct tevent_req *req;
1470 NTSTATUS status = NT_STATUS_OK;
1471
1472 if (cli_has_async_calls(cli)) {
1473 /*
1474 * Can't use sync call while an async call is in flight
1475 */
1476 status = NT_STATUS_INVALID_PARAMETER;
1477 goto fail;
1478 }
1479
1480 ev = event_context_init(frame);
1481 if (ev == NULL) {
1482 status = NT_STATUS_NO_MEMORY;
1483 goto fail;
1484 }
1485
1486 req = cli_nt_hardlink_send(frame, ev, cli, fname_src, fname_dst);
1487 if (req == NULL) {
1488 status = NT_STATUS_NO_MEMORY;
1489 goto fail;
1490 }
1491
1492 if (!tevent_req_poll(req, ev)) {
1493 status = map_nt_error_from_unix(errno);
1494 goto fail;
1495 }
1496
1497 status = cli_nt_hardlink_recv(req);
1498
1499 fail:
1500 TALLOC_FREE(frame);
1501 if (!NT_STATUS_IS_OK(status)) {
1502 cli_set_error(cli, status);
1503 }
1504 return status;
1505 }
1506
1507 /****************************************************************************
1508 Delete a file.
1509 ****************************************************************************/
1510
1511 static void cli_unlink_done(struct tevent_req *subreq);
1512
1513 struct cli_unlink_state {
1514 uint16_t vwv[1];
1515 };
1516
1517 struct tevent_req *cli_unlink_send(TALLOC_CTX *mem_ctx,
1518 struct event_context *ev,
1519 struct cli_state *cli,
1520 const char *fname,
1521 uint16_t mayhave_attrs)
1522 {
1523 struct tevent_req *req = NULL, *subreq = NULL;
1524 struct cli_unlink_state *state = NULL;
1525 uint8_t additional_flags = 0;
1526 uint8_t *bytes = NULL;
1527
1528 req = tevent_req_create(mem_ctx, &state, struct cli_unlink_state);
1529 if (req == NULL) {
1530 return NULL;
1531 }
1532
1533 SSVAL(state->vwv+0, 0, mayhave_attrs);
1534
1535 bytes = talloc_array(state, uint8_t, 1);
1536 if (tevent_req_nomem(bytes, req)) {
1537 return tevent_req_post(req, ev);
1538 }
1539 bytes[0] = 4;
1540 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
1541 strlen(fname)+1, NULL);
1542
1543 if (tevent_req_nomem(bytes, req)) {
1544 return tevent_req_post(req, ev);
1545 }
1546
1547 subreq = cli_smb_send(state, ev, cli, SMBunlink, additional_flags,
1548 1, state->vwv, talloc_get_size(bytes), bytes);
1549 if (tevent_req_nomem(subreq, req)) {
1550 return tevent_req_post(req, ev);
1551 }
1552 tevent_req_set_callback(subreq, cli_unlink_done, req);
1553 return req;
1554 }
1555
1556 static void cli_unlink_done(struct tevent_req *subreq)
1557 {
1558 struct tevent_req *req = tevent_req_callback_data(
1559 subreq, struct tevent_req);
1560 NTSTATUS status;
1561
1562 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1563 TALLOC_FREE(subreq);
1564 if (!NT_STATUS_IS_OK(status)) {
1565 tevent_req_nterror(req, status);
1566 return;
1567 }
1568 tevent_req_done(req);
1569 }
1570
1571 NTSTATUS cli_unlink_recv(struct tevent_req *req)
1572 {
1573 return tevent_req_simple_recv_ntstatus(req);
1574 }
1575
1576 NTSTATUS cli_unlink(struct cli_state *cli, const char *fname, uint16_t mayhave_attrs)
1577 {
1578 TALLOC_CTX *frame = talloc_stackframe();
1579 struct event_context *ev;
1580 struct tevent_req *req;
1581 NTSTATUS status = NT_STATUS_OK;
1582
1583 if (cli_has_async_calls(cli)) {
1584 /*
1585 * Can't use sync call while an async call is in flight
1586 */
1587 status = NT_STATUS_INVALID_PARAMETER;
1588 goto fail;
1589 }
1590
1591 ev = event_context_init(frame);
1592 if (ev == NULL) {
1593 status = NT_STATUS_NO_MEMORY;
1594 goto fail;
1595 }
1596
1597 req = cli_unlink_send(frame, ev, cli, fname, mayhave_attrs);
1598 if (req == NULL) {
1599 status = NT_STATUS_NO_MEMORY;
1600 goto fail;
1601 }
1602
1603 if (!tevent_req_poll(req, ev)) {
1604 status = map_nt_error_from_unix(errno);
1605 goto fail;
1606 }
1607
1608 status = cli_unlink_recv(req);
1609
1610 fail:
1611 TALLOC_FREE(frame);
1612 if (!NT_STATUS_IS_OK(status)) {
1613 cli_set_error(cli, status);
1614 }
1615 return status;
1616 }
1617
1618 /****************************************************************************
1619 Create a directory.
1620 ****************************************************************************/
1621
1622 static void cli_mkdir_done(struct tevent_req *subreq);
1623
1624 struct cli_mkdir_state {
1625 int dummy;
1626 };
1627
1628 struct tevent_req *cli_mkdir_send(TALLOC_CTX *mem_ctx,
1629 struct event_context *ev,
1630 struct cli_state *cli,
1631 const char *dname)
1632 {
1633 struct tevent_req *req = NULL, *subreq = NULL;
1634 struct cli_mkdir_state *state = NULL;
1635 uint8_t additional_flags = 0;
1636 uint8_t *bytes = NULL;
1637
1638 req = tevent_req_create(mem_ctx, &state, struct cli_mkdir_state);
1639 if (req == NULL) {
1640 return NULL;
1641 }
1642
1643 bytes = talloc_array(state, uint8_t, 1);
1644 if (tevent_req_nomem(bytes, req)) {
1645 return tevent_req_post(req, ev);
1646 }
1647 bytes[0] = 4;
1648 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), dname,
1649 strlen(dname)+1, NULL);
1650
1651 if (tevent_req_nomem(bytes, req)) {
1652 return tevent_req_post(req, ev);
1653 }
1654
1655 subreq = cli_smb_send(state, ev, cli, SMBmkdir, additional_flags,
1656 0, NULL, talloc_get_size(bytes), bytes);
1657 if (tevent_req_nomem(subreq, req)) {
1658 return tevent_req_post(req, ev);
1659 }
1660 tevent_req_set_callback(subreq, cli_mkdir_done, req);
1661 return req;
1662 }
1663
1664 static void cli_mkdir_done(struct tevent_req *subreq)
1665 {
1666 struct tevent_req *req = tevent_req_callback_data(
1667 subreq, struct tevent_req);
1668 NTSTATUS status;
1669
1670 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1671 TALLOC_FREE(subreq);
1672 if (!NT_STATUS_IS_OK(status)) {
1673 tevent_req_nterror(req, status);
1674 return;
1675 }
1676 tevent_req_done(req);
1677 }
1678
1679 NTSTATUS cli_mkdir_recv(struct tevent_req *req)
1680 {
1681 return tevent_req_simple_recv_ntstatus(req);
1682 }
1683
1684 NTSTATUS cli_mkdir(struct cli_state *cli, const char *dname)
1685 {
1686 TALLOC_CTX *frame = talloc_stackframe();
1687 struct event_context *ev;
1688 struct tevent_req *req;
1689 NTSTATUS status = NT_STATUS_OK;
1690
1691 if (cli_has_async_calls(cli)) {
1692 /*
1693 * Can't use sync call while an async call is in flight
1694 */
1695 status = NT_STATUS_INVALID_PARAMETER;
1696 goto fail;
1697 }
1698
1699 ev = event_context_init(frame);
1700 if (ev == NULL) {
1701 status = NT_STATUS_NO_MEMORY;
1702 goto fail;
1703 }
1704
1705 req = cli_mkdir_send(frame, ev, cli, dname);
1706 if (req == NULL) {
1707 status = NT_STATUS_NO_MEMORY;
1708 goto fail;
1709 }
1710
1711 if (!tevent_req_poll(req, ev)) {
1712 status = map_nt_error_from_unix(errno);
1713 goto fail;
1714 }
1715
1716 status = cli_mkdir_recv(req);
1717
1718 fail:
1719 TALLOC_FREE(frame);
1720 if (!NT_STATUS_IS_OK(status)) {
1721 cli_set_error(cli, status);
1722 }
1723 return status;
1724 }
1725
1726 /****************************************************************************
1727 Remove a directory.
1728 ****************************************************************************/
1729
1730 static void cli_rmdir_done(struct tevent_req *subreq);
1731
1732 struct cli_rmdir_state {
1733 int dummy;
1734 };
1735
1736 struct tevent_req *cli_rmdir_send(TALLOC_CTX *mem_ctx,
1737 struct event_context *ev,
1738 struct cli_state *cli,
1739 const char *dname)
1740 {
1741 struct tevent_req *req = NULL, *subreq = NULL;
1742 struct cli_rmdir_state *state = NULL;
1743 uint8_t additional_flags = 0;
1744 uint8_t *bytes = NULL;
1745
1746 req = tevent_req_create(mem_ctx, &state, struct cli_rmdir_state);
1747 if (req == NULL) {
1748 return NULL;
1749 }
1750
1751 bytes = talloc_array(state, uint8_t, 1);
1752 if (tevent_req_nomem(bytes, req)) {
1753 return tevent_req_post(req, ev);
1754 }
1755 bytes[0] = 4;
1756 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), dname,
1757 strlen(dname)+1, NULL);
1758
1759 if (tevent_req_nomem(bytes, req)) {
1760 return tevent_req_post(req, ev);
1761 }
1762
1763 subreq = cli_smb_send(state, ev, cli, SMBrmdir, additional_flags,
1764 0, NULL, talloc_get_size(bytes), bytes);
1765 if (tevent_req_nomem(subreq, req)) {
1766 return tevent_req_post(req, ev);
1767 }
1768 tevent_req_set_callback(subreq, cli_rmdir_done, req);
1769 return req;
1770 }
1771
1772 static void cli_rmdir_done(struct tevent_req *subreq)
1773 {
1774 struct tevent_req *req = tevent_req_callback_data(
1775 subreq, struct tevent_req);
1776 NTSTATUS status;
1777
1778 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1779 TALLOC_FREE(subreq);
1780 if (!NT_STATUS_IS_OK(status)) {
1781 tevent_req_nterror(req, status);
1782 return;
1783 }
1784 tevent_req_done(req);
1785 }
1786
1787 NTSTATUS cli_rmdir_recv(struct tevent_req *req)
1788 {
1789 return tevent_req_simple_recv_ntstatus(req);
1790 }
1791
1792 NTSTATUS cli_rmdir(struct cli_state *cli, const char *dname)
1793 {
1794 TALLOC_CTX *frame = talloc_stackframe();
1795 struct event_context *ev;
1796 struct tevent_req *req;
1797 NTSTATUS status = NT_STATUS_OK;
1798
1799 if (cli_has_async_calls(cli)) {
1800 /*
1801 * Can't use sync call while an async call is in flight
1802 */
1803 status = NT_STATUS_INVALID_PARAMETER;
1804 goto fail;
1805 }
1806
1807 ev = event_context_init(frame);
1808 if (ev == NULL) {
1809 status = NT_STATUS_NO_MEMORY;
1810 goto fail;
1811 }
1812
1813 req = cli_rmdir_send(frame, ev, cli, dname);
1814 if (req == NULL) {
1815 status = NT_STATUS_NO_MEMORY;
1816 goto fail;
1817 }
1818
1819 if (!tevent_req_poll(req, ev)) {
1820 status = map_nt_error_from_unix(errno);
1821 goto fail;
1822 }
1823
1824 status = cli_rmdir_recv(req);
1825
1826 fail:
1827 TALLOC_FREE(frame);
1828 if (!NT_STATUS_IS_OK(status)) {
1829 cli_set_error(cli, status);
1830 }
1831 return status;
1832 }
1833
1834 /****************************************************************************
1835 Set or clear the delete on close flag.
1836 ****************************************************************************/
1837
1838 struct doc_state {
1839 uint16_t setup;
1840 uint8_t param[6];
1841 uint8_t data[1];
1842 };
1843
1844 static void cli_nt_delete_on_close_done(struct tevent_req *subreq)
1845 {
1846 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
1847 NULL, 0, NULL, NULL, 0, NULL);
1848 tevent_req_simple_finish_ntstatus(subreq, status);
1849 }
1850
1851 struct tevent_req *cli_nt_delete_on_close_send(TALLOC_CTX *mem_ctx,
1852 struct event_context *ev,
1853 struct cli_state *cli,
1854 uint16_t fnum,
1855 bool flag)
1856 {
1857 struct tevent_req *req = NULL, *subreq = NULL;
1858 struct doc_state *state = NULL;
1859
1860 req = tevent_req_create(mem_ctx, &state, struct doc_state);
1861 if (req == NULL) {
1862 return NULL;
1863 }
1864
1865 /* Setup setup word. */
1866 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
1867
1868 /* Setup param array. */
1869 SSVAL(state->param,0,fnum);
1870 SSVAL(state->param,2,SMB_SET_FILE_DISPOSITION_INFO);
1871
1872 /* Setup data array. */
1873 SCVAL(&state->data[0], 0, flag ? 1 : 0);
1874
1875 subreq = cli_trans_send(state, /* mem ctx. */
1876 ev, /* event ctx. */
1877 cli, /* cli_state. */
1878 SMBtrans2, /* cmd. */
1879 NULL, /* pipe name. */
1880 -1, /* fid. */
1881 0, /* function. */
1882 0, /* flags. */
1883 &state->setup, /* setup. */
1884 1, /* num setup uint16_t words. */
1885 0, /* max returned setup. */
1886 state->param, /* param. */
1887 6, /* num param. */
1888 2, /* max returned param. */
1889 state->data, /* data. */
1890 1, /* num data. */
1891 0); /* max returned data. */
1892
1893 if (tevent_req_nomem(subreq, req)) {
1894 return tevent_req_post(req, ev);
1895 }
1896 tevent_req_set_callback(subreq, cli_nt_delete_on_close_done, req);
1897 return req;
1898 }
1899
1900 NTSTATUS cli_nt_delete_on_close_recv(struct tevent_req *req)
1901 {
1902 NTSTATUS status;
1903
1904 if (tevent_req_is_nterror(req, &status)) {
1905 return status;
1906 }
1907 return NT_STATUS_OK;
1908 }
1909
1910 NTSTATUS cli_nt_delete_on_close(struct cli_state *cli, uint16_t fnum, bool flag)
1911 {
1912 TALLOC_CTX *frame = talloc_stackframe();
1913 struct event_context *ev = NULL;
1914 struct tevent_req *req = NULL;
1915 NTSTATUS status = NT_STATUS_OK;
1916
1917 if (cli_has_async_calls(cli)) {
1918 /*
1919 * Can't use sync call while an async call is in flight
1920 */
1921 status = NT_STATUS_INVALID_PARAMETER;
1922 goto fail;
1923 }
1924
1925 ev = event_context_init(frame);
1926 if (ev == NULL) {
1927 status = NT_STATUS_NO_MEMORY;
1928 goto fail;
1929 }
1930
1931 req = cli_nt_delete_on_close_send(frame,
1932 ev,
1933 cli,
1934 fnum,
1935 flag);
1936 if (req == NULL) {
1937 status = NT_STATUS_NO_MEMORY;
1938 goto fail;
1939 }
1940
1941 if (!tevent_req_poll(req, ev)) {
1942 status = map_nt_error_from_unix(errno);
1943 goto fail;
1944 }
1945
1946 status = cli_nt_delete_on_close_recv(req);
1947
1948 fail:
1949 TALLOC_FREE(frame);
1950 if (!NT_STATUS_IS_OK(status)) {
1951 cli_set_error(cli, status);
1952 }
1953 return status;
1954 }
1955
1956 struct cli_ntcreate_state {
1957 uint16_t vwv[24];
1958 uint16_t fnum;
1959 };
1960
1961 static void cli_ntcreate_done(struct tevent_req *subreq);
1962
1963 struct tevent_req *cli_ntcreate_send(TALLOC_CTX *mem_ctx,
1964 struct event_context *ev,
1965 struct cli_state *cli,
1966 const char *fname,
1967 uint32_t CreatFlags,
1968 uint32_t DesiredAccess,
1969 uint32_t FileAttributes,
1970 uint32_t ShareAccess,
1971 uint32_t CreateDisposition,
1972 uint32_t CreateOptions,
1973 uint8_t SecurityFlags)
1974 {
1975 struct tevent_req *req, *subreq;
1976 struct cli_ntcreate_state *state;
1977 uint16_t *vwv;
1978 uint8_t *bytes;
1979 size_t converted_len;
1980
1981 req = tevent_req_create(mem_ctx, &state, struct cli_ntcreate_state);
1982 if (req == NULL) {
1983 return NULL;
1984 }
1985
1986 vwv = state->vwv;
1987
1988 SCVAL(vwv+0, 0, 0xFF);
1989 SCVAL(vwv+0, 1, 0);
1990 SSVAL(vwv+1, 0, 0);
1991 SCVAL(vwv+2, 0, 0);
1992
1993 if (cli->use_oplocks) {
1994 CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
1995 }
1996 SIVAL(vwv+3, 1, CreatFlags);
1997 SIVAL(vwv+5, 1, 0x0); /* RootDirectoryFid */
1998 SIVAL(vwv+7, 1, DesiredAccess);
1999 SIVAL(vwv+9, 1, 0x0); /* AllocationSize */
2000 SIVAL(vwv+11, 1, 0x0); /* AllocationSize */
2001 SIVAL(vwv+13, 1, FileAttributes);
2002 SIVAL(vwv+15, 1, ShareAccess);
2003 SIVAL(vwv+17, 1, CreateDisposition);
2004 SIVAL(vwv+19, 1, CreateOptions);
2005 SIVAL(vwv+21, 1, 0x02); /* ImpersonationLevel */
2006 SCVAL(vwv+23, 1, SecurityFlags);
2007
2008 bytes = talloc_array(state, uint8_t, 0);
2009 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
2010 fname, strlen(fname)+1,
2011 &converted_len);
2012
2013 /* sigh. this copes with broken netapp filer behaviour */
2014 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, NULL);
2015
2016 if (tevent_req_nomem(bytes, req)) {
2017 return tevent_req_post(req, ev);
2018 }
2019
2020 SSVAL(vwv+2, 1, converted_len);
2021
2022 subreq = cli_smb_send(state, ev, cli, SMBntcreateX, 0, 24, vwv,
2023 talloc_get_size(bytes), bytes);
2024 if (tevent_req_nomem(subreq, req)) {
2025 return tevent_req_post(req, ev);
2026 }
2027 tevent_req_set_callback(subreq, cli_ntcreate_done, req);
2028 return req;
2029 }
2030
2031 static void cli_ntcreate_done(struct tevent_req *subreq)
2032 {
2033 struct tevent_req *req = tevent_req_callback_data(
2034 subreq, struct tevent_req);
2035 struct cli_ntcreate_state *state = tevent_req_data(
2036 req, struct cli_ntcreate_state);
2037 uint8_t wct;
2038 uint16_t *vwv;
2039 uint32_t num_bytes;
2040 uint8_t *bytes;
2041 uint8_t *inbuf;
2042 NTSTATUS status;
2043
2044 status = cli_smb_recv(subreq, state, &inbuf, 3, &wct, &vwv,
2045 &num_bytes, &bytes);
2046 TALLOC_FREE(subreq);
2047 if (!NT_STATUS_IS_OK(status)) {
2048 tevent_req_nterror(req, status);
2049 return;
2050 }
2051 state->fnum = SVAL(vwv+2, 1);
2052 tevent_req_done(req);
2053 }
2054
2055 NTSTATUS cli_ntcreate_recv(struct tevent_req *req, uint16_t *pfnum)
2056 {
2057 struct cli_ntcreate_state *state = tevent_req_data(
2058 req, struct cli_ntcreate_state);
2059 NTSTATUS status;
2060
2061 if (tevent_req_is_nterror(req, &status)) {
2062 return status;
2063 }
2064 *pfnum = state->fnum;
2065 return NT_STATUS_OK;
2066 }
2067
2068 NTSTATUS cli_ntcreate(struct cli_state *cli,
2069 const char *fname,
2070 uint32_t CreatFlags,
2071 uint32_t DesiredAccess,
2072 uint32_t FileAttributes,
2073 uint32_t ShareAccess,
2074 uint32_t CreateDisposition,
2075 uint32_t CreateOptions,
2076 uint8_t SecurityFlags,
2077 uint16_t *pfid)
2078 {
2079 TALLOC_CTX *frame = talloc_stackframe();
2080 struct event_context *ev;
2081 struct tevent_req *req;
2082 NTSTATUS status = NT_STATUS_OK;
2083
2084 if (cli_has_async_calls(cli)) {
2085 /*
2086 * Can't use sync call while an async call is in flight
2087 */
2088 status = NT_STATUS_INVALID_PARAMETER;
2089 goto fail;
2090 }
2091
2092 ev = event_context_init(frame);
2093 if (ev == NULL) {
2094 status = NT_STATUS_NO_MEMORY;
2095 goto fail;
2096 }
2097
2098 req = cli_ntcreate_send(frame, ev, cli, fname, CreatFlags,
2099 DesiredAccess, FileAttributes, ShareAccess,
2100 CreateDisposition, CreateOptions,
2101 SecurityFlags);
2102 if (req == NULL) {
2103 status = NT_STATUS_NO_MEMORY;
2104 goto fail;
2105 }
2106
2107 if (!tevent_req_poll(req, ev)) {
2108 status = map_nt_error_from_unix(errno);
2109 goto fail;
2110 }
2111
2112 status = cli_ntcreate_recv(req, pfid);
2113 fail:
2114 TALLOC_FREE(frame);
2115 if (!NT_STATUS_IS_OK(status)) {
2116 cli_set_error(cli, status);
2117 }
2118 return status;
2119 }
2120
2121 /****************************************************************************
2122 Open a file
2123 WARNING: if you open with O_WRONLY then getattrE won't work!
2124 ****************************************************************************/
2125
2126 struct cli_open_state {
2127 uint16_t vwv[15];
2128 uint16_t fnum;
2129 struct iovec bytes;
2130 };
2131
2132 static void cli_open_done(struct tevent_req *subreq);
2133
2134 struct tevent_req *cli_open_create(TALLOC_CTX *mem_ctx,
2135 struct event_context *ev,
2136 struct cli_state *cli, const char *fname,
2137 int flags, int share_mode,
2138 struct tevent_req **psmbreq)
2139 {
2140 struct tevent_req *req, *subreq;
2141 struct cli_open_state *state;
2142 unsigned openfn;
2143 unsigned accessmode;
2144 uint8_t additional_flags;
2145 uint8_t *bytes;
2146
2147 req = tevent_req_create(mem_ctx, &state, struct cli_open_state);
2148 if (req == NULL) {
2149 return NULL;
2150 }
2151
2152 openfn = 0;
2153 if (flags & O_CREAT) {
2154 openfn |= (1<<4);
2155 }
2156 if (!(flags & O_EXCL)) {
2157 if (flags & O_TRUNC)
2158 openfn |= (1<<1);
2159 else
2160 openfn |= (1<<0);
2161 }
2162
2163 accessmode = (share_mode<<4);
2164
2165 if ((flags & O_ACCMODE) == O_RDWR) {
2166 accessmode |= 2;
2167 } else if ((flags & O_ACCMODE) == O_WRONLY) {
2168 accessmode |= 1;
2169 }
2170
2171 #if defined(O_SYNC)
2172 if ((flags & O_SYNC) == O_SYNC) {
2173 accessmode |= (1<<14);
2174 }
2175 #endif /* O_SYNC */
2176
2177 if (share_mode == DENY_FCB) {
2178 accessmode = 0xFF;
2179 }
2180
2181 SCVAL(state->vwv + 0, 0, 0xFF);
2182 SCVAL(state->vwv + 0, 1, 0);
2183 SSVAL(state->vwv + 1, 0, 0);
2184 SSVAL(state->vwv + 2, 0, 0); /* no additional info */
2185 SSVAL(state->vwv + 3, 0, accessmode);
2186 SSVAL(state->vwv + 4, 0, aSYSTEM | aHIDDEN);
2187 SSVAL(state->vwv + 5, 0, 0);
2188 SIVAL(state->vwv + 6, 0, 0);
2189 SSVAL(state->vwv + 8, 0, openfn);
2190 SIVAL(state->vwv + 9, 0, 0);
2191 SIVAL(state->vwv + 11, 0, 0);
2192 SIVAL(state->vwv + 13, 0, 0);
2193
2194 additional_flags = 0;
2195
2196 if (cli->use_oplocks) {
2197 /* if using oplocks then ask for a batch oplock via
2198 core and extended methods */
2199 additional_flags =
2200 FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK;
2201 SSVAL(state->vwv+2, 0, SVAL(state->vwv+2, 0) | 6);
2202 }
2203
2204 bytes = talloc_array(state, uint8_t, 0);
2205 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
2206 strlen(fname)+1, NULL);
2207
2208 if (tevent_req_nomem(bytes, req)) {
2209 return tevent_req_post(req, ev);
2210 }
2211
2212 state->bytes.iov_base = (void *)bytes;
2213 state->bytes.iov_len = talloc_get_size(bytes);
2214
2215 subreq = cli_smb_req_create(state, ev, cli, SMBopenX, additional_flags,
2216 15, state->vwv, 1, &state->bytes);
2217 if (subreq == NULL) {
2218 TALLOC_FREE(req);
2219 return NULL;
2220 }
2221 tevent_req_set_callback(subreq, cli_open_done, req);
2222 *psmbreq = subreq;
2223 return req;
2224 }
2225
2226 struct tevent_req *cli_open_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
2227 struct cli_state *cli, const char *fname,
2228 int flags, int share_mode)
2229 {
2230 struct tevent_req *req, *subreq;
2231 NTSTATUS status;
2232
2233 req = cli_open_create(mem_ctx, ev, cli, fname, flags, share_mode,
2234 &subreq);
2235 if (req == NULL) {
2236 return NULL;
2237 }
2238
2239 status = cli_smb_req_send(subreq);
2240 if (!NT_STATUS_IS_OK(status)) {
2241 tevent_req_nterror(req, status);
2242 return tevent_req_post(req, ev);
2243 }
2244 return req;
2245 }
2246
2247 static void cli_open_done(struct tevent_req *subreq)
2248 {
2249 struct tevent_req *req = tevent_req_callback_data(
2250 subreq, struct tevent_req);
2251 struct cli_open_state *state = tevent_req_data(
2252 req, struct cli_open_state);
2253 uint8_t wct;
2254 uint16_t *vwv;
2255 uint8_t *inbuf;
2256 NTSTATUS status;
2257
2258 status = cli_smb_recv(subreq, state, &inbuf, 3, &wct, &vwv, NULL,
2259 NULL);
2260 TALLOC_FREE(subreq);
2261 if (!NT_STATUS_IS_OK(status)) {
2262 tevent_req_nterror(req, status);
2263 return;
2264 }
2265 state->fnum = SVAL(vwv+2, 0);
2266 tevent_req_done(req);
2267 }
2268
2269 NTSTATUS cli_open_recv(struct tevent_req *req, uint16_t *pfnum)
2270 {
2271 struct cli_open_state *state = tevent_req_data(
2272 req, struct cli_open_state);
2273 NTSTATUS status;
2274
2275 if (tevent_req_is_nterror(req, &status)) {
2276 return status;
2277 }
2278 *pfnum = state->fnum;
2279 return NT_STATUS_OK;
2280 }
2281
2282 NTSTATUS cli_open(struct cli_state *cli, const char *fname, int flags,
2283 int share_mode, uint16_t *pfnum)
2284 {
2285 TALLOC_CTX *frame = talloc_stackframe();
2286 struct event_context *ev;
2287 struct tevent_req *req;
2288 NTSTATUS status = NT_STATUS_OK;
2289
2290 if (cli_has_async_calls(cli)) {
2291 /*
2292 * Can't use sync call while an async call is in flight
2293 */
2294 status = NT_STATUS_INVALID_PARAMETER;
2295 goto fail;
2296 }
2297
2298 ev = event_context_init(frame);
2299 if (ev == NULL) {
2300 status = NT_STATUS_NO_MEMORY;
2301 goto fail;
2302 }
2303
2304 req = cli_open_send(frame, ev, cli, fname, flags, share_mode);
2305 if (req == NULL) {
2306 status = NT_STATUS_NO_MEMORY;
2307 goto fail;
2308 }
2309
2310 if (!tevent_req_poll(req, ev)) {
2311 status = map_nt_error_from_unix(errno);
2312 goto fail;
2313 }
2314
2315 status = cli_open_recv(req, pfnum);
2316 fail:
2317 TALLOC_FREE(frame);
2318 if (!NT_STATUS_IS_OK(status)) {
2319 cli_set_error(cli, status);
2320 }
2321 return status;
2322 }
2323
2324 /****************************************************************************
2325 Close a file.
2326 ****************************************************************************/
2327
2328 struct cli_close_state {
2329 uint16_t vwv[3];
2330 };
2331
2332 static void cli_close_done(struct tevent_req *subreq);
2333
2334 struct tevent_req *cli_close_create(TALLOC_CTX *mem_ctx,
2335 struct event_context *ev,
2336 struct cli_state *cli,
2337 uint16_t fnum,
2338 struct tevent_req **psubreq)
2339 {
2340 struct tevent_req *req, *subreq;
2341 struct cli_close_state *state;
2342
2343 req = tevent_req_create(mem_ctx, &state, struct cli_close_state);
2344 if (req == NULL) {
2345 return NULL;
2346 }
2347
2348 SSVAL(state->vwv+0, 0, fnum);
2349 SIVALS(state->vwv+1, 0, -1);
2350
2351 subreq = cli_smb_req_create(state, ev, cli, SMBclose, 0, 3, state->vwv,
2352 0, NULL);
2353 if (subreq == NULL) {
2354 TALLOC_FREE(req);
2355 return NULL;
2356 }
2357 tevent_req_set_callback(subreq, cli_close_done, req);
2358 *psubreq = subreq;
2359 return req;
2360 }
2361
2362 struct tevent_req *cli_close_send(TALLOC_CTX *mem_ctx,
2363 struct event_context *ev,
2364 struct cli_state *cli,
2365 uint16_t fnum)
2366 {
2367 struct tevent_req *req, *subreq;
2368 NTSTATUS status;
2369
2370 req = cli_close_create(mem_ctx, ev, cli, fnum, &subreq);
2371 if (req == NULL) {
2372 return NULL;
2373 }
2374
2375 status = cli_smb_req_send(subreq);
2376 if (!NT_STATUS_IS_OK(status)) {
2377 tevent_req_nterror(req, status);
2378 return tevent_req_post(req, ev);
2379 }
2380 return req;
2381 }
2382
2383 static void cli_close_done(struct tevent_req *subreq)
2384 {
2385 struct tevent_req *req = tevent_req_callback_data(
2386 subreq, struct tevent_req);
2387 NTSTATUS status;
2388
2389 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
2390 TALLOC_FREE(subreq);
2391 if (!NT_STATUS_IS_OK(status)) {
2392 tevent_req_nterror(req, status);
2393 return;
2394 }
2395 tevent_req_done(req);
2396 }
2397
2398 NTSTATUS cli_close_recv(struct tevent_req *req)
2399 {
2400 return tevent_req_simple_recv_ntstatus(req);
2401 }
2402
2403 NTSTATUS cli_close(struct cli_state *cli, uint16_t fnum)
2404 {
2405 TALLOC_CTX *frame = talloc_stackframe();
2406 struct event_context *ev;
2407 struct tevent_req *req;
2408 NTSTATUS status = NT_STATUS_OK;
2409
2410 if (cli_has_async_calls(cli)) {
2411 /*
2412 * Can't use sync call while an async call is in flight
2413 */
2414 status = NT_STATUS_INVALID_PARAMETER;
2415 goto fail;
2416 }
2417
2418 ev = event_context_init(frame);
2419 if (ev == NULL) {
2420 status = NT_STATUS_NO_MEMORY;
2421 goto fail;
2422 }
2423
2424 req = cli_close_send(frame, ev, cli, fnum);
2425 if (req == NULL) {
2426 status = NT_STATUS_NO_MEMORY;
2427 goto fail;
2428 }
2429
2430 if (!tevent_req_poll(req, ev)) {
2431 status = map_nt_error_from_unix(errno);
2432 goto fail;
2433 }
2434
2435 status = cli_close_recv(req);
2436 fail:
2437 TALLOC_FREE(frame);
2438 if (!NT_STATUS_IS_OK(status)) {
2439 cli_set_error(cli, status);
2440 }
2441 return status;
2442 }
2443
2444 /****************************************************************************
2445 Truncate a file to a specified size
2446 ****************************************************************************/
2447
2448 struct ftrunc_state {
2449 uint16_t setup;
2450 uint8_t param[6];
2451 uint8_t data[8];
2452 };
2453
2454 static void cli_ftruncate_done(struct tevent_req *subreq)
2455 {
2456 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
2457 NULL, 0, NULL, NULL, 0, NULL);
2458 tevent_req_simple_finish_ntstatus(subreq, status);
2459 }
2460
2461 struct tevent_req *cli_ftruncate_send(TALLOC_CTX *mem_ctx,
2462 struct event_context *ev,
2463 struct cli_state *cli,
2464 uint16_t fnum,
2465 uint64_t size)
2466 {
2467 struct tevent_req *req = NULL, *subreq = NULL;
2468 struct ftrunc_state *state = NULL;
2469
2470 req = tevent_req_create(mem_ctx, &state, struct ftrunc_state);
2471 if (req == NULL) {
2472 return NULL;
2473 }
2474
2475 /* Setup setup word. */
2476 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
2477
2478 /* Setup param array. */
2479 SSVAL(state->param,0,fnum);
2480 SSVAL(state->param,2,SMB_SET_FILE_END_OF_FILE_INFO);
2481 SSVAL(state->param,4,0);
2482
2483 /* Setup data array. */
2484 SBVAL(state->data, 0, size);
2485
2486 subreq = cli_trans_send(state, /* mem ctx. */
2487 ev, /* event ctx. */
2488 cli, /* cli_state. */
2489 SMBtrans2, /* cmd. */
2490 NULL, /* pipe name. */
2491 -1, /* fid. */
2492 0, /* function. */
2493 0, /* flags. */
2494 &state->setup, /* setup. */
2495 1, /* num setup uint16_t words. */
2496 0, /* max returned setup. */
2497 state->param, /* param. */
2498 6, /* num param. */
2499 2, /* max returned param. */
2500 state->data, /* data. */
2501 8, /* num data. */
2502 0); /* max returned data. */
2503
2504 if (tevent_req_nomem(subreq, req)) {
2505 return tevent_req_post(req, ev);
2506 }
2507 tevent_req_set_callback(subreq, cli_ftruncate_done, req);
2508 return req;
2509 }
2510
2511 NTSTATUS cli_ftruncate_recv(struct tevent_req *req)
2512 {
2513 NTSTATUS status;
2514
2515 if (tevent_req_is_nterror(req, &status)) {
2516 return status;
2517 }
2518 return NT_STATUS_OK;
2519 }
2520
2521 NTSTATUS cli_ftruncate(struct cli_state *cli, uint16_t fnum, uint64_t size)
2522 {
2523 TALLOC_CTX *frame = talloc_stackframe();
2524 struct event_context *ev = NULL;
2525 struct tevent_req *req = NULL;
2526 NTSTATUS status = NT_STATUS_OK;
2527
2528 if (cli_has_async_calls(cli)) {
2529 /*
2530 * Can't use sync call while an async call is in flight
2531 */
2532 status = NT_STATUS_INVALID_PARAMETER;
2533 goto fail;
2534 }
2535
2536 ev = event_context_init(frame);
2537 if (ev == NULL) {
2538 status = NT_STATUS_NO_MEMORY;
2539 goto fail;
2540 }
2541
2542 req = cli_ftruncate_send(frame,
2543 ev,
2544 cli,
2545 fnum,
2546 size);
2547 if (req == NULL) {
2548 status = NT_STATUS_NO_MEMORY;
2549 goto fail;
2550 }
2551
2552 if (!tevent_req_poll(req, ev)) {
2553 status = map_nt_error_from_unix(errno);
2554 goto fail;
2555 }
2556
2557 status = cli_ftruncate_recv(req);
2558
2559 fail:
2560 TALLOC_FREE(frame);
2561 if (!NT_STATUS_IS_OK(status)) {
2562 cli_set_error(cli, status);
2563 }
2564 return status;
2565 }
2566
2567 /****************************************************************************
2568 send a lock with a specified locktype
2569 this is used for testing LOCKING_ANDX_CANCEL_LOCK
2570 ****************************************************************************/
2571
2572 NTSTATUS cli_locktype(struct cli_state *cli, uint16_t fnum,
2573 uint32_t offset, uint32_t len,
2574 int timeout, unsigned char locktype)
2575 {
2576 char *p;
2577 int saved_timeout = cli->timeout;
2578
2579 memset(cli->outbuf,'\0',smb_size);
2580 memset(cli->inbuf,'\0', smb_size);
2581
2582 cli_set_message(cli->outbuf,8,0,True);
2583
2584 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2585 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2586 cli_setup_packet(cli);
2587
2588 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2589 SSVAL(cli->outbuf,smb_vwv2,fnum);
2590 SCVAL(cli->outbuf,smb_vwv3,locktype);
2591 SIVALS(cli->outbuf, smb_vwv4, timeout);
2592 SSVAL(cli->outbuf,smb_vwv6,0);
2593 SSVAL(cli->outbuf,smb_vwv7,1);
2594
2595 p = smb_buf(cli->outbuf);
2596 SSVAL(p, 0, cli->pid);
2597 SIVAL(p, 2, offset);
2598 SIVAL(p, 6, len);
2599
2600 p += 10;
2601
2602 cli_setup_bcc(cli, p);
2603
2604 cli_send_smb(cli);
2605
2606 if (timeout != 0) {
2607 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
2608 }
2609
2610 if (!cli_receive_smb(cli)) {
2611 cli->timeout = saved_timeout;
2612 return NT_STATUS_UNSUCCESSFUL;
2613 }
2614
2615 cli->timeout = saved_timeout;
2616
2617 return cli_nt_error(cli);
2618 }
2619
2620 /****************************************************************************
2621 Lock a file.
2622 note that timeout is in units of 2 milliseconds
2623 ****************************************************************************/
2624
2625 bool cli_lock(struct cli_state *cli, uint16_t fnum,
2626 uint32_t offset, uint32_t len, int timeout, enum brl_type lock_type)
2627 {
2628 char *p;
2629 int saved_timeout = cli->timeout;
2630
2631 memset(cli->outbuf,'\0',smb_size);
2632 memset(cli->inbuf,'\0', smb_size);
2633
2634 cli_set_message(cli->outbuf,8,0,True);
2635
2636 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2637 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2638 cli_setup_packet(cli);
2639
2640 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2641 SSVAL(cli->outbuf,smb_vwv2,fnum);
2642 SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
2643 SIVALS(cli->outbuf, smb_vwv4, timeout);
2644 SSVAL(cli->outbuf,smb_vwv6,0);
2645 SSVAL(cli->outbuf,smb_vwv7,1);
2646
2647 p = smb_buf(cli->outbuf);
2648 SSVAL(p, 0, cli->pid);
2649 SIVAL(p, 2, offset);
2650 SIVAL(p, 6, len);
2651
2652 p += 10;
2653
2654 cli_setup_bcc(cli, p);
2655
2656 cli_send_smb(cli);
2657
2658 if (timeout != 0) {
2659 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
2660 }
2661
2662 if (!cli_receive_smb(cli)) {
2663 cli->timeout = saved_timeout;
2664 return False;
2665 }
2666
2667 cli->timeout = saved_timeout;
2668
2669 if (cli_is_error(cli)) {
2670 return False;
2671 }
2672
2673 return True;
2674 }
2675
2676 /****************************************************************************
2677 Unlock a file.
2678 ****************************************************************************/
2679
2680 struct cli_unlock_state {
2681 uint16_t vwv[8];
2682 uint8_t data[10];
2683 };
2684
2685 static void cli_unlock_done(struct tevent_req *subreq);
2686
2687 struct tevent_req *cli_unlock_send(TALLOC_CTX *mem_ctx,
2688 struct event_context *ev,
2689 struct cli_state *cli,
2690 uint16_t fnum,
2691 uint64_t offset,
2692 uint64_t len)
2693
2694 {
2695 struct tevent_req *req = NULL, *subreq = NULL;
2696 struct cli_unlock_state *state = NULL;
2697 uint8_t additional_flags = 0;
2698
2699 req = tevent_req_create(mem_ctx, &state, struct cli_unlock_state);
2700 if (req == NULL) {
2701 return NULL;
2702 }
2703
2704 SCVAL(state->vwv+0, 0, 0xFF);
2705 SSVAL(state->vwv+2, 0, fnum);
2706 SCVAL(state->vwv+3, 0, 0);
2707 SIVALS(state->vwv+4, 0, 0);
2708 SSVAL(state->vwv+6, 0, 1);
2709 SSVAL(state->vwv+7, 0, 0);
2710
2711 SSVAL(state->data, 0, cli->pid);
2712 SIVAL(state->data, 2, offset);
2713 SIVAL(state->data, 6, len);
2714
2715 subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
2716 8, state->vwv, 10, state->data);
2717 if (tevent_req_nomem(subreq, req)) {
2718 return tevent_req_post(req, ev);
2719 }
2720 tevent_req_set_callback(subreq, cli_unlock_done, req);
2721 return req;
2722 }
2723
2724 static void cli_unlock_done(struct tevent_req *subreq)
2725 {
2726 struct tevent_req *req = tevent_req_callback_data(
2727 subreq, struct tevent_req);
2728 NTSTATUS status;
2729
2730 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
2731 TALLOC_FREE(subreq);
2732 if (!NT_STATUS_IS_OK(status)) {
2733 tevent_req_nterror(req, status);
2734 return;
2735 }
2736 tevent_req_done(req);
2737 }
2738
2739 NTSTATUS cli_unlock_recv(struct tevent_req *req)
2740 {
2741 return tevent_req_simple_recv_ntstatus(req);
2742 }
2743
2744 NTSTATUS cli_unlock(struct cli_state *cli,
2745 uint16_t fnum,
2746 uint32_t offset,
2747 uint32_t len)
2748 {
2749 TALLOC_CTX *frame = talloc_stackframe();
2750 struct event_context *ev;
2751 struct tevent_req *req;
2752 NTSTATUS status = NT_STATUS_OK;
2753
2754 if (cli_has_async_calls(cli)) {
2755 /*
2756 * Can't use sync call while an async call is in flight
2757 */
2758 status = NT_STATUS_INVALID_PARAMETER;
2759 goto fail;
2760 }
2761
2762 ev = event_context_init(frame);
2763 if (ev == NULL) {
2764 status = NT_STATUS_NO_MEMORY;
2765 goto fail;
2766 }
2767
2768 req = cli_unlock_send(frame, ev, cli,
2769 fnum, offset, len);
2770 if (req == NULL) {
2771 status = NT_STATUS_NO_MEMORY;
2772 goto fail;
2773 }
2774
2775 if (!tevent_req_poll(req, ev)) {
2776 status = map_nt_error_from_unix(errno);
2777 goto fail;
2778 }
2779
2780 status = cli_unlock_recv(req);
2781
2782 fail:
2783 TALLOC_FREE(frame);
2784 if (!NT_STATUS_IS_OK(status)) {
2785 cli_set_error(cli, status);
2786 }
2787 return status;
2788 }
2789
2790 /****************************************************************************
2791 Lock a file with 64 bit offsets.
2792 ****************************************************************************/
2793
2794 bool cli_lock64(struct cli_state *cli, uint16_t fnum,
2795 uint64_t offset, uint64_t len, int timeout, enum brl_type lock_type)
2796 {
2797 char *p;
2798 int saved_timeout = cli->timeout;
2799 int ltype;
2800
2801 if (! (cli->capabilities & CAP_LARGE_FILES)) {
2802 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
2803 }
2804
2805 ltype = (lock_type == READ_LOCK? 1 : 0);
2806 ltype |= LOCKING_ANDX_LARGE_FILES;
2807
2808 memset(cli->outbuf,'\0',smb_size);
2809 memset(cli->inbuf,'\0', smb_size);
2810
2811 cli_set_message(cli->outbuf,8,0,True);
2812
2813 SCVAL(cli->outbuf,smb_com,SMBlockingX);
2814 SSVAL(cli->outbuf,smb_tid,cli->cnum);
2815 cli_setup_packet(cli);
2816
2817 SCVAL(cli->outbuf,smb_vwv0,0xFF);
2818 SSVAL(cli->outbuf,smb_vwv2,fnum);
2819 SCVAL(cli->outbuf,smb_vwv3,ltype);
2820 SIVALS(cli->outbuf, smb_vwv4, timeout);
2821 SSVAL(cli->outbuf,smb_vwv6,0);
2822 SSVAL(cli->outbuf,smb_vwv7,1);
2823
2824 p = smb_buf(cli->outbuf);
2825 SIVAL(p, 0, cli->pid);
2826 SOFF_T_R(p, 4, offset);
2827 SOFF_T_R(p, 12, len);
2828 p += 20;
2829
2830 cli_setup_bcc(cli, p);
2831 cli_send_smb(cli);
2832
2833 if (timeout != 0) {
2834 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
2835 }
2836
2837 if (!cli_receive_smb(cli)) {
2838 cli->timeout = saved_timeout;
2839 return False;
2840 }
2841
2842 cli->timeout = saved_timeout;
2843
2844 if (cli_is_error(cli)) {
2845 return False;
2846 }
2847
2848 return True;
2849 }
2850
2851 /****************************************************************************
2852 Unlock a file with 64 bit offsets.
2853 ****************************************************************************/
2854
2855 struct cli_unlock64_state {
2856 uint16_t vwv[8];
2857 uint8_t data[20];
2858 };
2859
2860 static void cli_unlock64_done(struct tevent_req *subreq);
2861
2862 struct tevent_req *cli_unlock64_send(TALLOC_CTX *mem_ctx,
2863 struct event_context *ev,
2864 struct cli_state *cli,
2865 uint16_t fnum,
2866 uint64_t offset,
2867 uint64_t len)
2868
2869 {
2870 struct tevent_req *req = NULL, *subreq = NULL;
2871 struct cli_unlock64_state *state = NULL;
2872 uint8_t additional_flags = 0;
2873
2874 req = tevent_req_create(mem_ctx, &state, struct cli_unlock64_state);
2875 if (req == NULL) {
2876 return NULL;
2877 }
2878
2879 SCVAL(state->vwv+0, 0, 0xff);
2880 SSVAL(state->vwv+2, 0, fnum);
2881 SCVAL(state->vwv+3, 0,LOCKING_ANDX_LARGE_FILES);
2882 SIVALS(state->vwv+4, 0, 0);
2883 SSVAL(state->vwv+6, 0, 1);
2884 SSVAL(state->vwv+7, 0, 0);
2885
2886 SIVAL(state->data, 0, cli->pid);
2887 SOFF_T_R(state->data, 4, offset);
2888 SOFF_T_R(state->data, 12, len);
2889
2890 subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
2891 8, state->vwv, 20, state->data);
2892 if (tevent_req_nomem(subreq, req)) {
2893 return tevent_req_post(req, ev);
2894 }
2895 tevent_req_set_callback(subreq, cli_unlock64_done, req);
2896 return req;
2897 }
2898
2899 static void cli_unlock64_done(struct tevent_req *subreq)
2900 {
2901 struct tevent_req *req = tevent_req_callback_data(
2902 subreq, struct tevent_req);
2903 NTSTATUS status;
2904
2905 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
2906 TALLOC_FREE(subreq);
2907 if (!NT_STATUS_IS_OK(status)) {
2908 tevent_req_nterror(req, status);
2909 return;
2910 }
2911 tevent_req_done(req);
2912 }
2913
2914 NTSTATUS cli_unlock64_recv(struct tevent_req *req)
2915 {
2916 return tevent_req_simple_recv_ntstatus(req);
2917 }
2918
2919 NTSTATUS cli_unlock64(struct cli_state *cli,
2920 uint16_t fnum,
2921 uint64_t offset,
2922 uint64_t len)
2923 {
2924 TALLOC_CTX *frame = talloc_stackframe();
2925 struct event_context *ev;
2926 struct tevent_req *req;
2927 NTSTATUS status = NT_STATUS_OK;
2928
2929 if (! (cli->capabilities & CAP_LARGE_FILES)) {
2930 return cli_unlock(cli, fnum, offset, len);
2931 }
2932
2933 if (cli_has_async_calls(cli)) {
2934 /*
2935 * Can't use sync call while an async call is in flight
2936 */
2937 status = NT_STATUS_INVALID_PARAMETER;
2938 goto fail;
2939 }
2940
2941 ev = event_context_init(frame);
2942 if (ev == NULL) {
2943 status = NT_STATUS_NO_MEMORY;
2944 goto fail;
2945 }
2946
2947 req = cli_unlock64_send(frame, ev, cli,
2948 fnum, offset, len);
2949 if (req == NULL) {
2950 status = NT_STATUS_NO_MEMORY;
2951 goto fail;
2952 }
2953
2954 if (!tevent_req_poll(req, ev)) {
2955 status = map_nt_error_from_unix(errno);
2956 goto fail;
2957 }
2958
2959 status = cli_unlock64_recv(req);
2960
2961 fail:
2962 TALLOC_FREE(frame);
2963 if (!NT_STATUS_IS_OK(status)) {
2964 cli_set_error(cli, status);
2965 }
2966 return status;
2967 }
2968
2969 /****************************************************************************
2970 Get/unlock a POSIX lock on a file - internal function.
2971 ****************************************************************************/
2972
2973 struct posix_lock_state {
2974 uint16_t setup;
2975 uint8_t param[4];
2976 uint8_t data[POSIX_LOCK_DATA_SIZE];
2977 };
2978
2979 static void cli_posix_unlock_internal_done(struct tevent_req *subreq)
2980 {
2981 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
2982 NULL, 0, NULL, NULL, 0, NULL);
2983 tevent_req_simple_finish_ntstatus(subreq, status);
2984 }
2985
2986 static struct tevent_req *cli_posix_lock_internal_send(TALLOC_CTX *mem_ctx,
2987 struct event_context *ev,
2988 struct cli_state *cli,
2989 uint16_t fnum,
2990 uint64_t offset,
2991 uint64_t len,
2992 bool wait_lock,
2993 enum brl_type lock_type)
2994 {
2995 struct tevent_req *req = NULL, *subreq = NULL;
2996 struct posix_lock_state *state = NULL;
2997
2998 req = tevent_req_create(mem_ctx, &state, struct posix_lock_state);
2999 if (req == NULL) {
3000 return NULL;
3001 }
3002
3003 /* Setup setup word. */
3004 SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
3005
3006 /* Setup param array. */
3007 SSVAL(&state->param, 0, fnum);
3008 SSVAL(&state->param, 2, SMB_SET_POSIX_LOCK);
3009
3010 /* Setup data array. */
3011 switch (lock_type) {
3012 case READ_LOCK:
3013 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3014 POSIX_LOCK_TYPE_READ);
3015 break;
3016 case WRITE_LOCK:
3017 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3018 POSIX_LOCK_TYPE_WRITE);
3019 break;
3020 case UNLOCK_LOCK:
3021 SSVAL(&state->data, POSIX_LOCK_TYPE_OFFSET,
3022 POSIX_LOCK_TYPE_UNLOCK);
3023 break;
3024 default:
3025 return NULL;
3026 }
3027
3028 if (wait_lock) {
3029 SSVAL(&state->data, POSIX_LOCK_FLAGS_OFFSET,
3030 POSIX_LOCK_FLAG_WAIT);
3031 } else {
3032 SSVAL(state->data, POSIX_LOCK_FLAGS_OFFSET,
3033 POSIX_LOCK_FLAG_NOWAIT);
3034 }
3035
3036 SIVAL(&state->data, POSIX_LOCK_PID_OFFSET, cli->pid);
3037 SOFF_T(&state->data, POSIX_LOCK_START_OFFSET, offset);
3038 SOFF_T(&state->data, POSIX_LOCK_LEN_OFFSET, len);
3039
3040 subreq = cli_trans_send(state, /* mem ctx. */
3041 ev, /* event ctx. */
3042 cli, /* cli_state. */
3043 SMBtrans2, /* cmd. */
3044 NULL, /* pipe name. */
3045 -1, /* fid. */
3046 0, /* function. */
3047 0, /* flags. */
3048 &state->setup, /* setup. */
3049 1, /* num setup uint16_t words. */
3050 0, /* max returned setup. */
3051 state->param, /* param. */
3052 4, /* num param. */
3053 2, /* max returned param. */
3054 state->data, /* data. */
3055 POSIX_LOCK_DATA_SIZE, /* num data. */
3056 0); /* max returned data. */
3057
3058 if (tevent_req_nomem(subreq, req)) {
3059 return tevent_req_post(req, ev);
3060 }
3061 tevent_req_set_callback(subreq, cli_posix_unlock_internal_done, req);
3062 return req;
3063 }
3064
3065 /****************************************************************************
3066 POSIX Lock a file.
3067 ****************************************************************************/
3068
3069 struct tevent_req *cli_posix_lock_send(TALLOC_CTX *mem_ctx,
3070 struct event_context *ev,
3071 struct cli_state *cli,
3072 uint16_t fnum,
3073 uint64_t offset,
3074 uint64_t len,
3075 bool wait_lock,
3076 enum brl_type lock_type)
3077 {
3078 return cli_posix_lock_internal_send(mem_ctx, ev, cli, fnum, offset, len,
3079 wait_lock, lock_type);
3080 }
3081
3082 NTSTATUS cli_posix_lock_recv(struct tevent_req *req)
3083 {
3084 NTSTATUS status;
3085
3086 if (tevent_req_is_nterror(req, &status)) {
3087 return status;
3088 }
3089 return NT_STATUS_OK;
3090 }
3091
3092 NTSTATUS cli_posix_lock(struct cli_state *cli, uint16_t fnum,
3093 uint64_t offset, uint64_t len,
3094 bool wait_lock, enum brl_type lock_type)
3095 {
3096 TALLOC_CTX *frame = talloc_stackframe();
3097 struct event_context *ev = NULL;
3098 struct tevent_req *req = NULL;
3099 NTSTATUS status = NT_STATUS_OK;
3100
3101 if (cli_has_async_calls(cli)) {
3102 /*
3103 * Can't use sync call while an async call is in flight
3104 */
3105 status = NT_STATUS_INVALID_PARAMETER;
3106 goto fail;
3107 }
3108
3109 if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) {
3110 status = NT_STATUS_INVALID_PARAMETER;
3111 goto fail;
3112 }
3113
3114 ev = event_context_init(frame);
3115 if (ev == NULL) {
3116 status = NT_STATUS_NO_MEMORY;
3117 goto fail;
3118 }
3119
3120 req = cli_posix_lock_send(frame,
3121 ev,
3122 cli,
3123 fnum,
3124 offset,
3125 len,
3126 wait_lock,
3127 lock_type);
3128 if (req == NULL) {
3129 status = NT_STATUS_NO_MEMORY;
3130 goto fail;
3131 }
3132
3133 if (!tevent_req_poll(req, ev)) {
3134 status = map_nt_error_from_unix(errno);
3135 goto fail;
3136 }
3137
3138 status = cli_posix_lock_recv(req);
3139
3140 fail:
3141 TALLOC_FREE(frame);
3142 if (!NT_STATUS_IS_OK(status)) {
3143 cli_set_error(cli, status);
3144 }
3145 return status;
3146 }
3147
3148 /****************************************************************************
3149 POSIX Unlock a file.
3150 ****************************************************************************/
3151
3152 struct tevent_req *cli_posix_unlock_send(TALLOC_CTX *mem_ctx,
3153 struct event_context *ev,
3154 struct cli_state *cli,
3155 uint16_t fnum,
3156 uint64_t offset,
3157 uint64_t len)
3158 {
3159 return cli_posix_lock_internal_send(mem_ctx, ev, cli, fnum, offset, len,
3160 false, UNLOCK_LOCK);
3161 }
3162
3163 NTSTATUS cli_posix_unlock_recv(struct tevent_req *req)
3164 {
3165 NTSTATUS status;
3166
3167 if (tevent_req_is_nterror(req, &status)) {
3168 return status;
3169 }
3170 return NT_STATUS_OK;
3171 }
3172
3173 NTSTATUS cli_posix_unlock(struct cli_state *cli, uint16_t fnum, uint64_t offset, uint64_t len)
3174 {
3175 TALLOC_CTX *frame = talloc_stackframe();
3176 struct event_context *ev = NULL;
3177 struct tevent_req *req = NULL;
3178 NTSTATUS status = NT_STATUS_OK;
3179
3180 if (cli_has_async_calls(cli)) {
3181 /*
3182 * Can't use sync call while an async call is in flight
3183 */
3184 status = NT_STATUS_INVALID_PARAMETER;
3185 goto fail;
3186 }
3187
3188 ev = event_context_init(frame);
3189 if (ev == NULL) {
3190 status = NT_STATUS_NO_MEMORY;
3191 goto fail;
3192 }
3193
3194 req = cli_posix_unlock_send(frame,
3195 ev,
3196 cli,
3197 fnum,
3198 offset,
3199 len);
3200 if (req == NULL) {
3201 status = NT_STATUS_NO_MEMORY;
3202 goto fail;
3203 }
3204
3205 if (!tevent_req_poll(req, ev)) {
3206 status = map_nt_error_from_unix(errno);
3207 goto fail;
3208 }
3209
3210 status = cli_posix_unlock_recv(req);
3211
3212 fail:
3213 TALLOC_FREE(frame);
3214 if (!NT_STATUS_IS_OK(status)) {
3215 cli_set_error(cli, status);
3216 }
3217 return status;
3218 }
3219
3220 /****************************************************************************
3221 Do a SMBgetattrE call.
3222 ****************************************************************************/
3223
3224 static void cli_getattrE_done(struct tevent_req *subreq);
3225
3226 struct cli_getattrE_state {
3227 uint16_t vwv[1];
3228 int zone_offset;
3229 uint16_t attr;
3230 SMB_OFF_T size;
3231 time_t change_time;
3232 time_t access_time;
3233 time_t write_time;
3234 };
3235
3236 struct tevent_req *cli_getattrE_send(TALLOC_CTX *mem_ctx,
3237 struct event_context *ev,
3238 struct cli_state *cli,
3239 uint16_t fnum)
3240 {
3241 struct tevent_req *req = NULL, *subreq = NULL;
3242 struct cli_getattrE_state *state = NULL;
3243 uint8_t additional_flags = 0;
3244
3245 req = tevent_req_create(mem_ctx, &state, struct cli_getattrE_state);
3246 if (req == NULL) {
3247 return NULL;
3248 }
3249
3250 state->zone_offset = cli->serverzone;
3251 SSVAL(state->vwv+0,0,fnum);
3252
3253 subreq = cli_smb_send(state, ev, cli, SMBgetattrE, additional_flags,
3254 1, state->vwv, 0, NULL);
3255 if (tevent_req_nomem(subreq, req)) {
3256 return tevent_req_post(req, ev);
3257 }
3258 tevent_req_set_callback(subreq, cli_getattrE_done, req);
3259 return req;
3260 }
3261
3262 static void cli_getattrE_done(struct tevent_req *subreq)
3263 {
3264 struct tevent_req *req = tevent_req_callback_data(
3265 subreq, struct tevent_req);
3266 struct cli_getattrE_state *state = tevent_req_data(
3267 req, struct cli_getattrE_state);
3268 uint8_t wct;
3269 uint16_t *vwv = NULL;
3270 uint8_t *inbuf;
3271 NTSTATUS status;
3272
3273 status = cli_smb_recv(subreq, state, &inbuf, 11, &wct, &vwv,
3274 NULL, NULL);
3275 TALLOC_FREE(subreq);
3276 if (!NT_STATUS_IS_OK(status)) {
3277 tevent_req_nterror(req, status);
3278 return;
3279 }
3280
3281 state->size = (SMB_OFF_T)IVAL(vwv+6,0);
3282 state->attr = SVAL(vwv+10,0);
3283 state->change_time = make_unix_date2(vwv+0, state->zone_offset);
3284 state->access_time = make_unix_date2(vwv+2, state->zone_offset);
3285 state->write_time = make_unix_date2(vwv+4, state->zone_offset);
3286
3287 tevent_req_done(req);
3288 }
3289
3290 NTSTATUS cli_getattrE_recv(struct tevent_req *req,
3291 uint16_t *attr,
3292 SMB_OFF_T *size,
3293 time_t *change_time,
3294 time_t *access_time,
3295 time_t *write_time)
3296 {
3297 struct cli_getattrE_state *state = tevent_req_data(
3298 req, struct cli_getattrE_state);
3299 NTSTATUS status;
3300
3301 if (tevent_req_is_nterror(req, &status)) {
3302 return status;
3303 }
3304 if (attr) {
3305 *attr = state->attr;
3306 }
3307 if (size) {
3308 *size = state->size;
3309 }
3310 if (change_time) {
3311 *change_time = state->change_time;
3312 }
3313 if (access_time) {
3314 *access_time = state->access_time;
3315 }
3316 if (write_time) {
3317 *write_time = state->write_time;
3318 }
3319 return NT_STATUS_OK;
3320 }
3321
3322 NTSTATUS cli_getattrE(struct cli_state *cli,
3323 uint16_t fnum,
3324 uint16_t *attr,
3325 SMB_OFF_T *size,
3326 time_t *change_time,
3327 time_t *access_time,
3328 time_t *write_time)
3329 {
3330 TALLOC_CTX *frame = talloc_stackframe();
3331 struct event_context *ev = NULL;
3332 struct tevent_req *req = NULL;
3333 NTSTATUS status = NT_STATUS_OK;
3334
3335 if (cli_has_async_calls(cli)) {
3336 /*
3337 * Can't use sync call while an async call is in flight
3338 */
3339 status = NT_STATUS_INVALID_PARAMETER;
3340 goto fail;
3341 }
3342
3343 ev = event_context_init(frame);
3344 if (ev == NULL) {
3345 status = NT_STATUS_NO_MEMORY;
3346 goto fail;
3347 }
3348
3349 req = cli_getattrE_send(frame, ev, cli, fnum);
3350 if (req == NULL) {
3351 status = NT_STATUS_NO_MEMORY;
3352 goto fail;
3353 }
3354
3355 if (!tevent_req_poll(req, ev)) {
3356 status = map_nt_error_from_unix(errno);
3357 goto fail;
3358 }
3359
3360 status = cli_getattrE_recv(req,
3361 attr,
3362 size,
3363 change_time,
3364 access_time,
3365 write_time);
3366
3367 fail:
3368 TALLOC_FREE(frame);
3369 if (!NT_STATUS_IS_OK(status)) {
3370 cli_set_error(cli, status);
3371 }
3372 return status;
3373 }
3374
3375 /****************************************************************************
3376 Do a SMBgetatr call
3377 ****************************************************************************/
3378
3379 static void cli_getatr_done(struct tevent_req *subreq);
3380
3381 struct cli_getatr_state {
3382 int zone_offset;
3383 uint16_t attr;
3384 SMB_OFF_T size;
3385 time_t write_time;
3386 };
3387
3388 struct tevent_req *cli_getatr_send(TALLOC_CTX *mem_ctx,
3389 struct event_context *ev,
3390 struct cli_state *cli,
3391 const char *fname)
3392 {
3393 struct tevent_req *req = NULL, *subreq = NULL;
3394 struct cli_getatr_state *state = NULL;
3395 uint8_t additional_flags = 0;
3396 uint8_t *bytes = NULL;
3397
3398 req = tevent_req_create(mem_ctx, &state, struct cli_getatr_state);
3399 if (req == NULL) {
3400 return NULL;
3401 }
3402
3403 state->zone_offset = cli->serverzone;
3404
3405 bytes = talloc_array(state, uint8_t, 1);
3406 if (tevent_req_nomem(bytes, req)) {
3407 return tevent_req_post(req, ev);
3408 }
3409 bytes[0] = 4;
3410 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3411 strlen(fname)+1, NULL);
3412
3413 if (tevent_req_nomem(bytes, req)) {
3414 return tevent_req_post(req, ev);
3415 }
3416
3417 subreq = cli_smb_send(state, ev, cli, SMBgetatr, additional_flags,
3418 0, NULL, talloc_get_size(bytes), bytes);
3419 if (tevent_req_nomem(subreq, req)) {
3420 return tevent_req_post(req, ev);
3421 }
3422 tevent_req_set_callback(subreq, cli_getatr_done, req);
3423 return req;
3424 }
3425
3426 static void cli_getatr_done(struct tevent_req *subreq)
3427 {
3428 struct tevent_req *req = tevent_req_callback_data(
3429 subreq, struct tevent_req);
3430 struct cli_getatr_state *state = tevent_req_data(
3431 req, struct cli_getatr_state);
3432 uint8_t wct;
3433 uint16_t *vwv = NULL;
3434 uint8_t *inbuf;
3435 NTSTATUS status;
3436
3437 status = cli_smb_recv(subreq, state, &inbuf, 4, &wct, &vwv, NULL,
3438 NULL);
3439 TALLOC_FREE(subreq);
3440 if (!NT_STATUS_IS_OK(status)) {
3441 tevent_req_nterror(req, status);
3442 return;
3443 }
3444
3445 state->attr = SVAL(vwv+0,0);
3446 state->size = (SMB_OFF_T)IVAL(vwv+3,0);
3447 state->write_time = make_unix_date3(vwv+1, state->zone_offset);
3448
3449 tevent_req_done(req);
3450 }
3451
3452 NTSTATUS cli_getatr_recv(struct tevent_req *req,
3453 uint16_t *attr,
3454 SMB_OFF_T *size,
3455 time_t *write_time)
3456 {
3457 struct cli_getatr_state *state = tevent_req_data(
3458 req, struct cli_getatr_state);
3459 NTSTATUS status;
3460
3461 if (tevent_req_is_nterror(req, &status)) {
3462 return status;
3463 }
3464 if (attr) {
3465 *attr = state->attr;
3466 }
3467 if (size) {
3468 *size = state->size;
3469 }
3470 if (write_time) {
3471 *write_time = state->write_time;
3472 }
3473 return NT_STATUS_OK;
3474 }
3475
3476 NTSTATUS cli_getatr(struct cli_state *cli,
3477 const char *fname,
3478 uint16_t *attr,
3479 SMB_OFF_T *size,
3480 time_t *write_time)
3481 {
3482 TALLOC_CTX *frame = talloc_stackframe();
3483 struct event_context *ev = NULL;
3484 struct tevent_req *req = NULL;
3485 NTSTATUS status = NT_STATUS_OK;
3486
3487 if (cli_has_async_calls(cli)) {
3488 /*
3489 * Can't use sync call while an async call is in flight
3490 */
3491 status = NT_STATUS_INVALID_PARAMETER;
3492 goto fail;
3493 }
3494
3495 ev = event_context_init(frame);
3496 if (ev == NULL) {
3497 status = NT_STATUS_NO_MEMORY;
3498 goto fail;
3499 }
3500
3501 req = cli_getatr_send(frame, ev, cli, fname);
3502 if (req == NULL) {
3503 status = NT_STATUS_NO_MEMORY;
3504 goto fail;
3505 }
3506
3507 if (!tevent_req_poll(req, ev)) {
3508 status = map_nt_error_from_unix(errno);
3509 goto fail;
3510 }
3511
3512 status = cli_getatr_recv(req,
3513 attr,
3514 size,
3515 write_time);
3516
3517 fail:
3518 TALLOC_FREE(frame);
3519 if (!NT_STATUS_IS_OK(status)) {
3520 cli_set_error(cli, status);
3521 }
3522 return status;
3523 }
3524
3525 /****************************************************************************
3526 Do a SMBsetattrE call.
3527 ****************************************************************************/
3528
3529 static void cli_setattrE_done(struct tevent_req *subreq);
3530
3531 struct cli_setattrE_state {
3532 uint16_t vwv[7];
3533 };
3534
3535 struct tevent_req *cli_setattrE_send(TALLOC_CTX *mem_ctx,
3536 struct event_context *ev,
3537 struct cli_state *cli,
3538 uint16_t fnum,
3539 time_t change_time,
3540 time_t access_time,
3541 time_t write_time)
3542 {
3543 struct tevent_req *req = NULL, *subreq = NULL;
3544 struct cli_setattrE_state *state = NULL;
3545 uint8_t additional_flags = 0;
3546
3547 req = tevent_req_create(mem_ctx, &state, struct cli_setattrE_state);
3548 if (req == NULL) {
3549 return NULL;
3550 }
3551
3552 SSVAL(state->vwv+0, 0, fnum);
3553 cli_put_dos_date2(cli, (char *)&state->vwv[1], 0, change_time);
3554 cli_put_dos_date2(cli, (char *)&state->vwv[3], 0, access_time);
3555 cli_put_dos_date2(cli, (char *)&state->vwv[5], 0, write_time);
3556
3557 subreq = cli_smb_send(state, ev, cli, SMBsetattrE, additional_flags,
3558 7, state->vwv, 0, NULL);
3559 if (tevent_req_nomem(subreq, req)) {
3560 return tevent_req_post(req, ev);
3561 }
3562 tevent_req_set_callback(subreq, cli_setattrE_done, req);
3563 return req;
3564 }
3565
3566 static void cli_setattrE_done(struct tevent_req *subreq)
3567 {
3568 struct tevent_req *req = tevent_req_callback_data(
3569 subreq, struct tevent_req);
3570 NTSTATUS status;
3571
3572 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
3573 TALLOC_FREE(subreq);
3574 if (!NT_STATUS_IS_OK(status)) {
3575 tevent_req_nterror(req, status);
3576 return;
3577 }
3578 tevent_req_done(req);
3579 }
3580
3581 NTSTATUS cli_setattrE_recv(struct tevent_req *req)
3582 {
3583 return tevent_req_simple_recv_ntstatus(req);
3584 }
3585
3586 NTSTATUS cli_setattrE(struct cli_state *cli,
3587 uint16_t fnum,
3588 time_t change_time,
3589 time_t access_time,
3590 time_t write_time)
3591 {
3592 TALLOC_CTX *frame = talloc_stackframe();
3593 struct event_context *ev = NULL;
3594 struct tevent_req *req = NULL;
3595 NTSTATUS status = NT_STATUS_OK;
3596
3597 if (cli_has_async_calls(cli)) {
3598 /*
3599 * Can't use sync call while an async call is in flight
3600 */
3601 status = NT_STATUS_INVALID_PARAMETER;
3602 goto fail;
3603 }
3604
3605 ev = event_context_init(frame);
3606 if (ev == NULL) {
3607 status = NT_STATUS_NO_MEMORY;
3608 goto fail;
3609 }
3610
3611 req = cli_setattrE_send(frame, ev,
3612 cli,
3613 fnum,
3614 change_time,
3615 access_time,
3616 write_time);
3617
3618 if (req == NULL) {
3619 status = NT_STATUS_NO_MEMORY;
3620 goto fail;
3621 }
3622
3623 if (!tevent_req_poll(req, ev)) {
3624 status = map_nt_error_from_unix(errno);
3625 goto fail;
3626 }
3627
3628 status = cli_setattrE_recv(req);
3629
3630 fail:
3631 TALLOC_FREE(frame);
3632 if (!NT_STATUS_IS_OK(status)) {
3633 cli_set_error(cli, status);
3634 }
3635 return status;
3636 }
3637
3638 /****************************************************************************
3639 Do a SMBsetatr call.
3640 ****************************************************************************/
3641
3642 static void cli_setatr_done(struct tevent_req *subreq);
3643
3644 struct cli_setatr_state {
3645 uint16_t vwv[8];
3646 };
3647
3648 struct tevent_req *cli_setatr_send(TALLOC_CTX *mem_ctx,
3649 struct event_context *ev,
3650 struct cli_state *cli,
3651 const char *fname,
3652 uint16_t attr,
3653 time_t mtime)
3654 {
3655 struct tevent_req *req = NULL, *subreq = NULL;
3656 struct cli_setatr_state *state = NULL;
3657 uint8_t additional_flags = 0;
3658 uint8_t *bytes = NULL;
3659
3660 req = tevent_req_create(mem_ctx, &state, struct cli_setatr_state);
3661 if (req == NULL) {
3662 return NULL;
3663 }
3664
3665 SSVAL(state->vwv+0, 0, attr);
3666 cli_put_dos_date3(cli, (char *)&state->vwv[1], 0, mtime);
3667
3668 bytes = talloc_array(state, uint8_t, 1);
3669 if (tevent_req_nomem(bytes, req)) {
3670 return tevent_req_post(req, ev);
3671 }
3672 bytes[0] = 4;
3673 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3674 strlen(fname)+1, NULL);
3675 if (tevent_req_nomem(bytes, req)) {
3676 return tevent_req_post(req, ev);
3677 }
3678 bytes = TALLOC_REALLOC_ARRAY(state, bytes, uint8_t,
3679 talloc_get_size(bytes)+1);
3680 if (tevent_req_nomem(bytes, req)) {
3681 return tevent_req_post(req, ev);
3682 }
3683
3684 bytes[talloc_get_size(bytes)-1] = 4;
3685 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "",
3686 1, NULL);
3687 if (tevent_req_nomem(bytes, req)) {
3688 return tevent_req_post(req, ev);
3689 }
3690
3691 subreq = cli_smb_send(state, ev, cli, SMBsetatr, additional_flags,
3692 8, state->vwv, talloc_get_size(bytes), bytes);
3693 if (tevent_req_nomem(subreq, req)) {
3694 return tevent_req_post(req, ev);
3695 }
3696 tevent_req_set_callback(subreq, cli_setatr_done, req);
3697 return req;
3698 }
3699
3700 static void cli_setatr_done(struct tevent_req *subreq)
3701 {
3702 struct tevent_req *req = tevent_req_callback_data(
3703 subreq, struct tevent_req);
3704 NTSTATUS status;
3705
3706 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
3707 TALLOC_FREE(subreq);
3708 if (!NT_STATUS_IS_OK(status)) {
3709 tevent_req_nterror(req, status);
3710 return;
3711 }
3712 tevent_req_done(req);
3713 }
3714
3715 NTSTATUS cli_setatr_recv(struct tevent_req *req)
3716 {
3717 return tevent_req_simple_recv_ntstatus(req);
3718 }
3719
3720 NTSTATUS cli_setatr(struct cli_state *cli,
3721 const char *fname,
3722 uint16_t attr,
3723 time_t mtime)
3724 {
3725 TALLOC_CTX *frame = talloc_stackframe();
3726 struct event_context *ev = NULL;
3727 struct tevent_req *req = NULL;
3728 NTSTATUS status = NT_STATUS_OK;
3729
3730 if (cli_has_async_calls(cli)) {
3731 /*
3732 * Can't use sync call while an async call is in flight
3733 */
3734 status = NT_STATUS_INVALID_PARAMETER;
3735 goto fail;
3736 }
3737
3738 ev = event_context_init(frame);
3739 if (ev == NULL) {
3740 status = NT_STATUS_NO_MEMORY;
3741 goto fail;
3742 }
3743
3744 req = cli_setatr_send(frame, ev, cli, fname, attr, mtime);
3745 if (req == NULL) {
3746 status = NT_STATUS_NO_MEMORY;
3747 goto fail;
3748 }
3749
3750 if (!tevent_req_poll(req, ev)) {
3751 status = map_nt_error_from_unix(errno);
3752 goto fail;
3753 }
3754
3755 status = cli_setatr_recv(req);
3756
3757 fail:
3758 TALLOC_FREE(frame);
3759 if (!NT_STATUS_IS_OK(status)) {
3760 cli_set_error(cli, status);
3761 }
3762 return status;
3763 }
3764
3765 /****************************************************************************
3766 Check for existance of a dir.
3767 ****************************************************************************/
3768
3769 static void cli_chkpath_done(struct tevent_req *subreq);
3770
3771 struct cli_chkpath_state {
3772 int dummy;
3773 };
3774
3775 struct tevent_req *cli_chkpath_send(TALLOC_CTX *mem_ctx,
3776 struct event_context *ev,
3777 struct cli_state *cli,
3778 const char *fname)
3779 {
3780 struct tevent_req *req = NULL, *subreq = NULL;
3781 struct cli_chkpath_state *state = NULL;
3782 uint8_t additional_flags = 0;
3783 uint8_t *bytes = NULL;
3784
3785 req = tevent_req_create(mem_ctx, &state, struct cli_chkpath_state);
3786 if (req == NULL) {
3787 return NULL;
3788 }
3789
3790 bytes = talloc_array(state, uint8_t, 1);
3791 if (tevent_req_nomem(bytes, req)) {
3792 return tevent_req_post(req, ev);
3793 }
3794 bytes[0] = 4;
3795 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
3796 strlen(fname)+1, NULL);
3797
3798 if (tevent_req_nomem(bytes, req)) {
3799 return tevent_req_post(req, ev);
3800 }
3801
3802 subreq = cli_smb_send(state, ev, cli, SMBcheckpath, additional_flags,
3803 0, NULL, talloc_get_size(bytes), bytes);
3804 if (tevent_req_nomem(subreq, req)) {
3805 return tevent_req_post(req, ev);
3806 }
3807 tevent_req_set_callback(subreq, cli_chkpath_done, req);
3808 return req;
3809 }
3810
3811 static void cli_chkpath_done(struct tevent_req *subreq)
3812 {
3813 struct tevent_req *req = tevent_req_callback_data(
3814 subreq, struct tevent_req);
3815 NTSTATUS status;
3816
3817 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
3818 TALLOC_FREE(subreq);
3819 if (!NT_STATUS_IS_OK(status)) {
3820 tevent_req_nterror(req, status);
3821 return;
3822 }
3823 tevent_req_done(req);
3824 }
3825
3826 NTSTATUS cli_chkpath_recv(struct tevent_req *req)
3827 {
3828 return tevent_req_simple_recv_ntstatus(req);
3829 }
3830
3831 NTSTATUS cli_chkpath(struct cli_state *cli, const char *path)
3832 {
3833 TALLOC_CTX *frame = talloc_stackframe();
3834 struct event_context *ev = NULL;
3835 struct tevent_req *req = NULL;
3836 char *path2 = NULL;
3837 NTSTATUS status = NT_STATUS_OK;
3838
3839 if (cli_has_async_calls(cli)) {
3840 /*
3841 * Can't use sync call while an async call is in flight
3842 */
3843 status = NT_STATUS_INVALID_PARAMETER;
3844 goto fail;
3845 }
3846
3847 path2 = talloc_strdup(frame, path);
3848 if (!path2) {
3849 status = NT_STATUS_NO_MEMORY;
3850 goto fail;
3851 }
3852 trim_char(path2,'\0','\\');
3853 if (!*path2) {
3854 path2 = talloc_strdup(frame, "\\");
3855 if (!path2) {
3856 status = NT_STATUS_NO_MEMORY;
3857 goto fail;
3858 }
3859 }
3860
3861 ev = event_context_init(frame);
3862 if (ev == NULL) {
3863 status = NT_STATUS_NO_MEMORY;
3864 goto fail;
3865 }
3866
3867 req = cli_chkpath_send(frame, ev, cli, path2);
3868 if (req == NULL) {
3869 status = NT_STATUS_NO_MEMORY;
3870 goto fail;
3871 }
3872
3873 if (!tevent_req_poll(req, ev)) {
3874 status = map_nt_error_from_unix(errno);
3875 goto fail;
3876 }
3877
3878 status = cli_chkpath_recv(req);
3879
3880 fail:
3881 TALLOC_FREE(frame);
3882 if (!NT_STATUS_IS_OK(status)) {
3883 cli_set_error(cli, status);
3884 }
3885 return status;
3886 }
3887
3888 /****************************************************************************
3889 Query disk space.
3890 ****************************************************************************/
3891
3892 static void cli_dskattr_done(struct tevent_req *subreq);
3893
3894 struct cli_dskattr_state {
3895 int bsize;
3896 int total;
3897 int avail;
3898 };
3899
3900 struct tevent_req *cli_dskattr_send(TALLOC_CTX *mem_ctx,
3901 struct event_context *ev,
3902 struct cli_state *cli)
3903 {
3904 struct tevent_req *req = NULL, *subreq = NULL;
3905 struct cli_dskattr_state *state = NULL;
3906 uint8_t additional_flags = 0;
3907
3908 req = tevent_req_create(mem_ctx, &state, struct cli_dskattr_state);
3909 if (req == NULL) {
3910 return NULL;
3911 }
3912
3913 subreq = cli_smb_send(state, ev, cli, SMBdskattr, additional_flags,
3914 0, NULL, 0, NULL);
3915 if (tevent_req_nomem(subreq, req)) {
3916 return tevent_req_post(req, ev);
3917 }
3918 tevent_req_set_callback(subreq, cli_dskattr_done, req);
3919 return req;
3920 }
3921
3922 static void cli_dskattr_done(struct tevent_req *subreq)
3923 {
3924 struct tevent_req *req = tevent_req_callback_data(
3925 subreq, struct tevent_req);
3926 struct cli_dskattr_state *state = tevent_req_data(
3927 req, struct cli_dskattr_state);
3928 uint8_t wct;
3929 uint16_t *vwv = NULL;
3930 uint8_t *inbuf;
3931 NTSTATUS status;
3932
3933 status = cli_smb_recv(subreq, state, &inbuf, 4, &wct, &vwv, NULL,
3934 NULL);
3935 TALLOC_FREE(subreq);
3936 if (!NT_STATUS_IS_OK(status)) {
3937 tevent_req_nterror(req, status);
3938 return;
3939 }
3940 state->bsize = SVAL(vwv+1, 0)*SVAL(vwv+2,0);
3941 state->total = SVAL(vwv+0, 0);
3942 state->avail = SVAL(vwv+3, 0);
3943 tevent_req_done(req);
3944 }
3945
3946 NTSTATUS cli_dskattr_recv(struct tevent_req *req, int *bsize, int *total, int *avail)
3947 {
3948 struct cli_dskattr_state *state = tevent_req_data(
3949 req, struct cli_dskattr_state);
3950 NTSTATUS status;
3951
3952 if (tevent_req_is_nterror(req, &status)) {
3953 return status;
3954 }
3955 *bsize = state->bsize;
3956 *total = state->total;
3957 *avail = state->avail;
3958 return NT_STATUS_OK;
3959 }
3960
3961 NTSTATUS cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
3962 {
3963 TALLOC_CTX *frame = talloc_stackframe();
3964 struct event_context *ev = NULL;
3965 struct tevent_req *req = NULL;
3966 NTSTATUS status = NT_STATUS_OK;
3967
3968 if (cli_has_async_calls(cli)) {
3969 /*
3970 * Can't use sync call while an async call is in flight
3971 */
3972 status = NT_STATUS_INVALID_PARAMETER;
3973 goto fail;
3974 }
3975
3976 ev = event_context_init(frame);
3977 if (ev == NULL) {
3978 status = NT_STATUS_NO_MEMORY;
3979 goto fail;
3980 }
3981
3982 req = cli_dskattr_send(frame, ev, cli);
3983 if (req == NULL) {
3984 status = NT_STATUS_NO_MEMORY;
3985 goto fail;
3986 }
3987
3988 if (!tevent_req_poll(req, ev)) {
3989 status = map_nt_error_from_unix(errno);
3990 goto fail;
3991 }
3992
3993 status = cli_dskattr_recv(req, bsize, total, avail);
3994
3995 fail:
3996 TALLOC_FREE(frame);
3997 if (!NT_STATUS_IS_OK(status)) {
3998 cli_set_error(cli, status);
3999 }
4000 return status;
4001 }
4002
4003 /****************************************************************************
4004 Create and open a temporary file.
4005 ****************************************************************************/
4006
4007 static void cli_ctemp_done(struct tevent_req *subreq);
4008
4009 struct ctemp_state {
4010 uint16_t vwv[3];
4011 char *ret_path;
4012 uint16_t fnum;
4013 };
4014
4015 struct tevent_req *cli_ctemp_send(TALLOC_CTX *mem_ctx,
4016 struct event_context *ev,
4017 struct cli_state *cli,
4018 const char *path)
4019 {
4020 struct tevent_req *req = NULL, *subreq = NULL;
4021 struct ctemp_state *state = NULL;
4022 uint8_t additional_flags = 0;
4023 uint8_t *bytes = NULL;
4024
4025 req = tevent_req_create(mem_ctx, &state, struct ctemp_state);
4026 if (req == NULL) {
4027 return NULL;
4028 }
4029
4030 SSVAL(state->vwv,0,0);
4031 SIVALS(state->vwv+1,0,-1);
4032
4033 bytes = talloc_array(state, uint8_t, 1);
4034 if (tevent_req_nomem(bytes, req)) {
4035 return tevent_req_post(req, ev);
4036 }
4037 bytes[0] = 4;
4038 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), path,
4039 strlen(path)+1, NULL);
4040 if (tevent_req_nomem(bytes, req)) {
4041 return tevent_req_post(req, ev);
4042 }
4043
4044 subreq = cli_smb_send(state, ev, cli, SMBctemp, additional_flags,
4045 3, state->vwv, talloc_get_size(bytes), bytes);
4046 if (tevent_req_nomem(subreq, req)) {
4047 return tevent_req_post(req, ev);
4048 }
4049 tevent_req_set_callback(subreq, cli_ctemp_done, req);
4050 return req;
4051 }
4052
4053 static void cli_ctemp_done(struct tevent_req *subreq)
4054 {
4055 struct tevent_req *req = tevent_req_callback_data(
4056 subreq, struct tevent_req);
4057 struct ctemp_state *state = tevent_req_data(
4058 req, struct ctemp_state);
4059 NTSTATUS status;
4060 uint8_t wcnt;
4061 uint16_t *vwv;
4062 uint32_t num_bytes = 0;
4063 uint8_t *bytes = NULL;
4064 uint8_t *inbuf;
4065
4066 status = cli_smb_recv(subreq, state, &inbuf, 1, &wcnt, &vwv,
4067 &num_bytes, &bytes);
4068 TALLOC_FREE(subreq);
4069 if (!NT_STATUS_IS_OK(status)) {
4070 tevent_req_nterror(req, status);
4071 return;
4072 }
4073
4074 state->fnum = SVAL(vwv+0, 0);
4075
4076 /* From W2K3, the result is just the ASCII name */
4077 if (num_bytes < 2) {
4078 tevent_req_nterror(req, NT_STATUS_DATA_ERROR);
4079 return;
4080 }
4081
4082 if (pull_string_talloc(state,
4083 NULL,
4084 0,
4085 &state->ret_path,
4086 bytes,
4087 num_bytes,
4088 STR_ASCII) == 0) {
4089 tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
4090 return;
4091 }
4092 tevent_req_done(req);
4093 }
4094
4095 NTSTATUS cli_ctemp_recv(struct tevent_req *req,
4096 TALLOC_CTX *ctx,
4097 uint16_t *pfnum,
4098 char **outfile)
4099 {
4100 struct ctemp_state *state = tevent_req_data(req,
4101 struct ctemp_state);
4102 NTSTATUS status;
4103
4104 if (tevent_req_is_nterror(req, &status)) {
4105 return status;
4106 }
4107 *pfnum = state->fnum;
4108 *outfile = talloc_strdup(ctx, state->ret_path);
4109 if (!*outfile) {
4110 return NT_STATUS_NO_MEMORY;
4111 }
4112 return NT_STATUS_OK;
4113 }
4114
4115 NTSTATUS cli_ctemp(struct cli_state *cli,
4116 TALLOC_CTX *ctx,
4117 const char *path,
4118 uint16_t *pfnum,
4119 char **out_path)
4120 {
4121 TALLOC_CTX *frame = talloc_stackframe();
4122 struct event_context *ev;
4123 struct tevent_req *req;
4124 NTSTATUS status = NT_STATUS_OK;
4125
4126 if (cli_has_async_calls(cli)) {
4127 /*
4128 * Can't use sync call while an async call is in flight
4129 */
4130 status = NT_STATUS_INVALID_PARAMETER;
4131 goto fail;
4132 }
4133
4134 ev = event_context_init(frame);
4135 if (ev == NULL) {
4136 status = NT_STATUS_NO_MEMORY;
4137 goto fail;
4138 }
4139
4140 req = cli_ctemp_send(frame, ev, cli, path);
4141 if (req == NULL) {
4142 status = NT_STATUS_NO_MEMORY;
4143 goto fail;
4144 }
4145
4146 if (!tevent_req_poll(req, ev)) {
4147 status = map_nt_error_from_unix(errno);
4148 goto fail;
4149 }
4150
4151 status = cli_ctemp_recv(req, ctx, pfnum, out_path);
4152
4153 fail:
4154 TALLOC_FREE(frame);
4155 if (!NT_STATUS_IS_OK(status)) {
4156 cli_set_error(cli, status);
4157 }
4158 return status;
4159 }
4160
4161 /*
4162 send a raw ioctl - used by the torture code
4163 */
4164 NTSTATUS cli_raw_ioctl(struct cli_state *cli, uint16_t fnum, uint32_t code, DATA_BLOB *blob)
4165 {
4166 uint16_t vwv[3];
4167 NTSTATUS status;
4168 struct tevent_req *result_parent;
4169
4170 SSVAL(vwv+0, 0, fnum);
4171 SSVAL(vwv+1, 0, code>>16);
4172 SSVAL(vwv+2, 0, (code&0xFFFF));
4173
4174 status = cli_smb(talloc_tos(), cli, SMBioctl, 0, 3, vwv, 0, NULL,
4175 &result_parent, 0, NULL, NULL, NULL, NULL);
4176 if (!NT_STATUS_IS_OK(status)) {
4177 return status;
4178 }
4179 *blob = data_blob_null;
4180 return NT_STATUS_OK;
4181 }
4182
4183 /*********************************************************
4184 Set an extended attribute utility fn.
4185 *********************************************************/
4186
4187 static bool cli_set_ea(struct cli_state *cli, uint16_t setup, char *param, unsigned int param_len,
4188 const char *ea_name, const char *ea_val, size_t ea_len)
4189 {
4190 unsigned int data_len = 0;
4191 char *data = NULL;
4192 char *rparam=NULL, *rdata=NULL;
4193 char *p;
4194 size_t ea_namelen = strlen(ea_name);
4195
4196 if (ea_namelen == 0 && ea_len == 0) {
4197 data_len = 4;
4198 data = (char *)SMB_MALLOC(data_len);
4199 if (!data) {
4200 return False;
4201 }
4202 p = data;
4203 SIVAL(p,0,data_len);
4204 } else {
4205 data_len = 4 + 4 + ea_namelen + 1 + ea_len;
4206 data = (char *)SMB_MALLOC(data_len);
4207 if (!data) {
4208 return False;
4209 }
4210 p = data;
4211 SIVAL(p,0,data_len);
4212 p += 4;
4213 SCVAL(p, 0, 0); /* EA flags. */
4214 SCVAL(p, 1, ea_namelen);
4215 SSVAL(p, 2, ea_len);
4216 memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
4217 memcpy(p+4+ea_namelen+1, ea_val, ea_len);
4218 }
4219
4220 if (!cli_send_trans(cli, SMBtrans2,
4221 NULL, /* name */
4222 -1, 0, /* fid, flags */
4223 &setup, 1, 0, /* setup, length, max */
4224 param, param_len, 2, /* param, length, max */
4225 data, data_len, cli->max_xmit /* data, length, max */
4226 )) {
4227 SAFE_FREE(data);
4228 return False;
4229 }
4230
4231 if (!cli_receive_trans(cli, SMBtrans2,
4232 &rparam, &param_len,
4233 &rdata, &data_len)) {
4234 SAFE_FREE(data);
4235 return false;
4236 }
4237
4238 SAFE_FREE(data);
4239 SAFE_FREE(rdata);
4240 SAFE_FREE(rparam);
4241
4242 return True;
4243 }
4244
4245 /*********************************************************
4246 Set an extended attribute on a pathname.
4247 *********************************************************/
4248
4249 bool cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
4250 {
4251 uint16_t setup = TRANSACT2_SETPATHINFO;
4252 unsigned int param_len = 0;
4253 char *param;
4254 size_t srclen = 2*(strlen(path)+1);
4255 char *p;
4256 bool ret;
4257
4258 param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
4259 if (!param) {
4260 return false;
4261 }
4262 memset(param, '\0', 6);
4263 SSVAL(param,0,SMB_INFO_SET_EA);
4264 p = &param[6];
4265
4266 p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
4267 param_len = PTR_DIFF(p, param);
4268
4269 ret = cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
4270 SAFE_FREE(param);
4271 return ret;
4272 }
4273
4274 /*********************************************************
4275 Set an extended attribute on an fnum.
4276 *********************************************************/
4277
4278 bool cli_set_ea_fnum(struct cli_state *cli, uint16_t fnum, const char *ea_name, const char *ea_val, size_t ea_len)
4279 {
4280 char param[6];
4281 uint16_t setup = TRANSACT2_SETFILEINFO;
4282
4283 memset(param, 0, 6);
4284 SSVAL(param,0,fnum);
4285 SSVAL(param,2,SMB_INFO_SET_EA);
4286
4287 return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
4288 }
4289
4290 /*********************************************************
4291 Get an extended attribute list utility fn.
4292 *********************************************************/
4293
4294 static bool cli_get_ea_list(struct cli_state *cli,
4295 uint16_t setup, char *param, unsigned int param_len,
4296 TALLOC_CTX *ctx,
4297 size_t *pnum_eas,
4298 struct ea_struct **pea_list)
4299 {
4300 unsigned int data_len = 0;
4301 unsigned int rparam_len, rdata_len;
4302 char *rparam=NULL, *rdata=NULL;
4303 char *p;
4304 size_t ea_size;
4305 size_t num_eas;
4306 bool ret = False;
4307 struct ea_struct *ea_list;
4308
4309 *pnum_eas = 0;
4310 if (pea_list) {
4311 *pea_list = NULL;
4312 }
4313
4314 if (!cli_send_trans(cli, SMBtrans2,
4315 NULL, /* Name */
4316 -1, 0, /* fid, flags */
4317 &setup, 1, 0, /* setup, length, max */
4318 param, param_len, 10, /* param, length, max */
4319 NULL, data_len, cli->max_xmit /* data, length, max */
4320 )) {
4321 return False;
4322 }
4323
4324 if (!cli_receive_trans(cli, SMBtrans2,
4325 &rparam, &rparam_len,
4326 &rdata, &rdata_len)) {
4327 return False;
4328 }
4329
4330 if (!rdata || rdata_len < 4) {
4331 goto out;
4332 }
4333
4334 ea_size = (size_t)IVAL(rdata,0);
4335 if (ea_size > rdata_len) {
4336 goto out;
4337 }
4338
4339 if (ea_size == 0) {
4340 /* No EA's present. */
4341 ret = True;
4342 goto out;
4343 }
4344
4345 p = rdata + 4;
4346 ea_size -= 4;
4347
4348 /* Validate the EA list and count it. */
4349 for (num_eas = 0; ea_size >= 4; num_eas++) {
4350 unsigned int ea_namelen = CVAL(p,1);
4351 unsigned int ea_valuelen = SVAL(p,2);
4352 if (ea_namelen == 0) {
4353 goto out;
4354 }
4355 if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
4356 goto out;
4357 }
4358 ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
4359 p += 4 + ea_namelen + 1 + ea_valuelen;
4360 }
4361
4362 if (num_eas == 0) {
4363 ret = True;
4364 goto out;
4365 }
4366
4367 *pnum_eas = num_eas;
4368 if (!pea_list) {
4369 /* Caller only wants number of EA's. */
4370 ret = True;
4371 goto out;
4372 }
4373
4374 ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas);
4375 if (!ea_list) {
4376 goto out;
4377 }
4378
4379 ea_size = (size_t)IVAL(rdata,0);
4380 p = rdata + 4;
4381
4382 for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
4383 struct ea_struct *ea = &ea_list[num_eas];
4384 fstring unix_ea_name;
4385 unsigned int ea_namelen = CVAL(p,1);
4386 unsigned int ea_valuelen = SVAL(p,2);
4387
4388 ea->flags = CVAL(p,0);
4389 unix_ea_name[0] = '\0';
4390 pull_ascii_fstring(unix_ea_name, p + 4);
4391 ea->name = talloc_strdup(ctx, unix_ea_name);
4392 /* Ensure the value is null terminated (in case it's a string). */
4393 ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
4394 if (!ea->value.data) {
4395 goto out;
4396 }
4397 if (ea_valuelen) {
4398 memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
4399 }
4400 ea->value.data[ea_valuelen] = 0;
4401 ea->value.length--;
4402 p += 4 + ea_namelen + 1 + ea_valuelen;
4403 }
4404
4405 *pea_list = ea_list;
4406 ret = True;
4407
4408 out :
4409
4410 SAFE_FREE(rdata);
4411 SAFE_FREE(rparam);
4412 return ret;
4413 }
4414
4415 /*********************************************************
4416 Get an extended attribute list from a pathname.
4417 *********************************************************/
4418
4419 bool cli_get_ea_list_path(struct cli_state *cli, const char *path,
4420 TALLOC_CTX *ctx,
4421 size_t *pnum_eas,
4422 struct ea_struct **pea_list)
4423 {
4424 uint16_t setup = TRANSACT2_QPATHINFO;
4425 unsigned int param_len = 0;
4426 char *param;
4427 char *p;
4428 size_t srclen = 2*(strlen(path)+1);
4429 bool ret;
4430
4431 param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
4432 if (!param) {
4433 return false;
4434 }
4435 p = param;
4436 memset(p, 0, 6);
4437 SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
4438 p += 6;
4439 p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
4440 param_len = PTR_DIFF(p, param);
4441
4442 ret = cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
4443 SAFE_FREE(param);
4444 return ret;
4445 }
4446
4447 /*********************************************************
4448 Get an extended attribute list from an fnum.
4449 *********************************************************/
4450
4451 bool cli_get_ea_list_fnum(struct cli_state *cli, uint16_t fnum,
4452 TALLOC_CTX *ctx,
4453 size_t *pnum_eas,
4454 struct ea_struct **pea_list)
4455 {
4456 uint16_t setup = TRANSACT2_QFILEINFO;
4457 char param[6];
4458
4459 memset(param, 0, 6);
4460 SSVAL(param,0,fnum);
4461 SSVAL(param,2,SMB_INFO_SET_EA);
4462
4463 return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
4464 }
4465
4466 /****************************************************************************
4467 Convert open "flags" arg to uint32_t on wire.
4468 ****************************************************************************/
4469
4470 static uint32_t open_flags_to_wire(int flags)
4471 {
4472 int open_mode = flags & O_ACCMODE;
4473 uint32_t ret = 0;
4474
4475 switch (open_mode) {
4476 case O_WRONLY:
4477 ret |= SMB_O_WRONLY;
4478 break;
4479 case O_RDWR:
4480 ret |= SMB_O_RDWR;
4481 break;
4482 default:
4483 case O_RDONLY:
4484 ret |= SMB_O_RDONLY;
4485 break;
4486 }
4487
4488 if (flags & O_CREAT) {
4489 ret |= SMB_O_CREAT;
4490 }
4491 if (flags & O_EXCL) {
4492 ret |= SMB_O_EXCL;
4493 }
4494 if (flags & O_TRUNC) {
4495 ret |= SMB_O_TRUNC;
4496 }
4497 #if defined(O_SYNC)
4498 if (flags & O_SYNC) {
4499 ret |= SMB_O_SYNC;
4500 }
4501 #endif /* O_SYNC */
4502 if (flags & O_APPEND) {
4503 ret |= SMB_O_APPEND;
4504 }
4505 #if defined(O_DIRECT)
4506 if (flags & O_DIRECT) {
4507 ret |= SMB_O_DIRECT;
4508 }
4509 #endif
4510 #if defined(O_DIRECTORY)
4511 if (flags & O_DIRECTORY) {
4512 ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
4513 ret |= SMB_O_DIRECTORY;
4514 }
4515 #endif
4516 return ret;
4517 }
4518
4519 /****************************************************************************
4520 Open a file - POSIX semantics. Returns fnum. Doesn't request oplock.
4521 ****************************************************************************/
4522
4523 struct posix_open_state {
4524 uint16_t setup;
4525 uint8_t *param;
4526 uint8_t data[18];
4527 uint16_t fnum; /* Out */
4528 };
4529
4530 static void cli_posix_open_internal_done(struct tevent_req *subreq)
4531 {
4532 struct tevent_req *req = tevent_req_callback_data(
4533 subreq, struct tevent_req);
4534 struct posix_open_state *state = tevent_req_data(req, struct posix_open_state);
4535 NTSTATUS status;
4536 uint8_t *data;
4537 uint32_t num_data;
4538
4539 status = cli_trans_recv(subreq, state, NULL, 0, NULL, NULL, 0, NULL,
4540 &data, 12, &num_data);
4541 TALLOC_FREE(subreq);
4542 if (!NT_STATUS_IS_OK(status)) {
4543 tevent_req_nterror(req, status);
4544 return;
4545 }
4546 state->fnum = SVAL(data,2);
4547 tevent_req_done(req);
4548 }
4549
4550 static struct tevent_req *cli_posix_open_internal_send(TALLOC_CTX *mem_ctx,
4551 struct event_context *ev,
4552 struct cli_state *cli,
4553 const char *fname,
4554 int flags,
4555 mode_t mode,
4556 bool is_dir)
4557 {
4558 struct tevent_req *req = NULL, *subreq = NULL;
4559 struct posix_open_state *state = NULL;
4560 uint32_t wire_flags = open_flags_to_wire(flags);
4561
4562 req = tevent_req_create(mem_ctx, &state, struct posix_open_state);
4563 if (req == NULL) {
4564 return NULL;
4565 }
4566
4567 /* Setup setup word. */
4568 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
4569
4570 /* Setup param array. */
4571 state->param = talloc_array(state, uint8_t, 6);
4572 if (tevent_req_nomem(state->param, req)) {
4573 return tevent_req_post(req, ev);
4574 }
4575 memset(state->param, '\0', 6);
4576 SSVAL(state->param, 0, SMB_POSIX_PATH_OPEN);
4577
4578 state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
4579 strlen(fname)+1, NULL);
4580
4581 if (tevent_req_nomem(state->param, req)) {
4582 return tevent_req_post(req, ev);
4583 }
4584
4585 /* Setup data words. */
4586 if (is_dir) {
4587 wire_flags &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
4588 wire_flags |= SMB_O_DIRECTORY;
4589 }
4590
4591 SIVAL(state->data,0,0); /* No oplock. */
4592 SIVAL(state->data,4,wire_flags);
4593 SIVAL(state->data,8,unix_perms_to_wire(mode));
4594 SIVAL(state->data,12,0); /* Top bits of perms currently undefined. */
4595 SSVAL(state->data,16,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */
4596
4597 subreq = cli_trans_send(state, /* mem ctx. */
4598 ev, /* event ctx. */
4599 cli, /* cli_state. */
4600 SMBtrans2, /* cmd. */
4601 NULL, /* pipe name. */
4602 -1, /* fid. */
4603 0, /* function. */
4604 0, /* flags. */
4605 &state->setup, /* setup. */
4606 1, /* num setup uint16_t words. */
4607 0, /* max returned setup. */
4608 state->param, /* param. */
4609 talloc_get_size(state->param),/* num param. */
4610 2, /* max returned param. */
4611 state->data, /* data. */
4612 18, /* num data. */
4613 12); /* max returned data. */
4614
4615 if (tevent_req_nomem(subreq, req)) {
4616 return tevent_req_post(req, ev);
4617 }
4618 tevent_req_set_callback(subreq, cli_posix_open_internal_done, req);
4619 return req;
4620 }
4621
4622 struct tevent_req *cli_posix_open_send(TALLOC_CTX *mem_ctx,
4623 struct event_context *ev,
4624 struct cli_state *cli,
4625 const char *fname,
4626 int flags,
4627 mode_t mode)
4628 {
4629 return cli_posix_open_internal_send(mem_ctx, ev,
4630 cli, fname, flags, mode, false);
4631 }
4632
4633 NTSTATUS cli_posix_open_recv(struct tevent_req *req, uint16_t *pfnum)
4634 {
4635 struct posix_open_state *state = tevent_req_data(req, struct posix_open_state);
4636 NTSTATUS status;
4637
4638 if (tevent_req_is_nterror(req, &status)) {
4639 return status;
4640 }
4641 *pfnum = state->fnum;
4642 return NT_STATUS_OK;
4643 }
4644
4645 /****************************************************************************
4646 Open - POSIX semantics. Doesn't request oplock.
4647 ****************************************************************************/
4648
4649 NTSTATUS cli_posix_open(struct cli_state *cli, const char *fname,
4650 int flags, mode_t mode, uint16_t *pfnum)
4651 {
4652
4653 TALLOC_CTX *frame = talloc_stackframe();
4654 struct event_context *ev = NULL;
4655 struct tevent_req *req = NULL;
4656 NTSTATUS status = NT_STATUS_OK;
4657
4658 if (cli_has_async_calls(cli)) {
4659 /*
4660 * Can't use sync call while an async call is in flight
4661 */
4662 status = NT_STATUS_INVALID_PARAMETER;
4663 goto fail;
4664 }
4665
4666 ev = event_context_init(frame);
4667 if (ev == NULL) {
4668 status = NT_STATUS_NO_MEMORY;
4669 goto fail;
4670 }
4671
4672 req = cli_posix_open_send(frame,
4673 ev,
4674 cli,
4675 fname,
4676 flags,
4677 mode);
4678 if (req == NULL) {
4679 status = NT_STATUS_NO_MEMORY;
4680 goto fail;
4681 }
4682
4683 if (!tevent_req_poll(req, ev)) {
4684 status = map_nt_error_from_unix(errno);
4685 goto fail;
4686 }
4687
4688 status = cli_posix_open_recv(req, pfnum);
4689
4690 fail:
4691 TALLOC_FREE(frame);
4692 if (!NT_STATUS_IS_OK(status)) {
4693 cli_set_error(cli, status);
4694 }
4695 return status;
4696 }
4697
4698 struct tevent_req *cli_posix_mkdir_send(TALLOC_CTX *mem_ctx,
4699 struct event_context *ev,
4700 struct cli_state *cli,
4701 const char *fname,
4702 mode_t mode)
4703 {
4704 return cli_posix_open_internal_send(mem_ctx, ev,
4705 cli, fname, O_CREAT, mode, true);
4706 }
4707
4708 NTSTATUS cli_posix_mkdir_recv(struct tevent_req *req)
4709 {
4710 NTSTATUS status;
4711
4712 if (tevent_req_is_nterror(req, &status)) {
4713 return status;
4714 }
4715 return NT_STATUS_OK;
4716 }
4717
4718 NTSTATUS cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode)
4719 {
4720 TALLOC_CTX *frame = talloc_stackframe();
4721 struct event_context *ev = NULL;
4722 struct tevent_req *req = NULL;
4723 NTSTATUS status = NT_STATUS_OK;
4724
4725 if (cli_has_async_calls(cli)) {
4726 /*
4727 * Can't use sync call while an async call is in flight
4728 */
4729 status = NT_STATUS_INVALID_PARAMETER;
4730 goto fail;
4731 }
4732
4733 ev = event_context_init(frame);
4734 if (ev == NULL) {
4735 status = NT_STATUS_NO_MEMORY;
4736 goto fail;
4737 }
4738
4739 req = cli_posix_mkdir_send(frame,
4740 ev,
4741 cli,
4742 fname,
4743 mode);
4744 if (req == NULL) {
4745 status = NT_STATUS_NO_MEMORY;
4746 goto fail;
4747 }
4748
4749 if (!tevent_req_poll(req, ev)) {
4750 status = map_nt_error_from_unix(errno);
4751 goto fail;
4752 }
4753
4754 status = cli_posix_mkdir_recv(req);
4755
4756 fail:
4757 TALLOC_FREE(frame);
4758 if (!NT_STATUS_IS_OK(status)) {
4759 cli_set_error(cli, status);
4760 }
4761 return status;
4762 }
4763
4764 /****************************************************************************
4765 unlink or rmdir - POSIX semantics.
4766 ****************************************************************************/
4767
4768 struct unlink_state {
4769 uint16_t setup;
4770 uint8_t data[2];
4771 };
4772
4773 static void cli_posix_unlink_internal_done(struct tevent_req *subreq)
4774 {
4775 NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
4776 NULL, 0, NULL, NULL, 0, NULL);
4777 tevent_req_simple_finish_ntstatus(subreq, status);
4778 }
4779
4780 static struct tevent_req *cli_posix_unlink_internal_send(TALLOC_CTX *mem_ctx,
4781 struct event_context *ev,
4782 struct cli_state *cli,
4783 const char *fname,
4784 bool is_dir)
4785 {
4786 struct tevent_req *req = NULL, *subreq = NULL;
4787 struct unlink_state *state = NULL;
4788 uint8_t *param = NULL;
4789
4790 req = tevent_req_create(mem_ctx, &state, struct unlink_state);
4791 if (req == NULL) {
4792 return NULL;
4793 }
4794
4795 /* Setup setup word. */
4796 SSVAL(&state->setup, 0, TRANSACT2_SETPATHINFO);
4797
4798 /* Setup param array. */
4799 param = talloc_array(state, uint8_t, 6);
4800 if (tevent_req_nomem(param, req)) {
4801 return tevent_req_post(req, ev);
4802 }
4803 memset(param, '\0', 6);
4804 SSVAL(param, 0, SMB_POSIX_PATH_UNLINK);
4805
4806 param = trans2_bytes_push_str(param, cli_ucs2(cli), fname,
4807 strlen(fname)+1, NULL);
4808
4809 if (tevent_req_nomem(param, req)) {
4810 return tevent_req_post(req, ev);
4811 }
4812
4813 /* Setup data word. */
4814 SSVAL(state->data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET :
4815 SMB_POSIX_UNLINK_FILE_TARGET);
4816
4817 subreq = cli_trans_send(state, /* mem ctx. */
4818 ev, /* event ctx. */
4819 cli, /* cli_state. */
4820 SMBtrans2, /* cmd. */
4821 NULL, /* pipe name. */
4822 -1, /* fid. */
4823 0, /* function. */
4824 0, /* flags. */
4825 &state->setup, /* setup. */
4826 1, /* num setup uint16_t words. */
4827 0, /* max returned setup. */
4828 param, /* param. */
4829 talloc_get_size(param), /* num param. */
4830 2, /* max returned param. */
4831 state->data, /* data. */
4832 2, /* num data. */
4833 0); /* max returned data. */
4834
4835 if (tevent_req_nomem(subreq, req)) {
4836 return tevent_req_post(req, ev);
4837 }
4838 tevent_req_set_callback(subreq, cli_posix_unlink_internal_done, req);
4839 return req;
4840 }
4841
4842 struct tevent_req *cli_posix_unlink_send(TALLOC_CTX *mem_ctx,
4843 struct event_context *ev,
4844 struct cli_state *cli,
4845 const char *fname)
4846 {
4847 return cli_posix_unlink_internal_send(mem_ctx, ev, cli, fname, false);
4848 }
4849
4850 NTSTATUS cli_posix_unlink_recv(struct tevent_req *req)
4851 {
4852 NTSTATUS status;
4853
4854 if (tevent_req_is_nterror(req, &status)) {
4855 return status;
4856 }
4857 return NT_STATUS_OK;
4858 }
4859
4860 /****************************************************************************
4861 unlink - POSIX semantics.
4862 ****************************************************************************/
4863
4864 NTSTATUS cli_posix_unlink(struct cli_state *cli, const char *fname)
4865 {
4866 TALLOC_CTX *frame = talloc_stackframe();
4867 struct event_context *ev = NULL;
4868 struct tevent_req *req = NULL;
4869 NTSTATUS status = NT_STATUS_OK;
4870
4871 if (cli_has_async_calls(cli)) {
4872 /*
4873 * Can't use sync call while an async call is in flight
4874 */
4875 status = NT_STATUS_INVALID_PARAMETER;
4876 goto fail;
4877 }
4878
4879 ev = event_context_init(frame);
4880 if (ev == NULL) {
4881 status = NT_STATUS_NO_MEMORY;
4882 goto fail;
4883 }
4884
4885 req = cli_posix_unlink_send(frame,
4886 ev,
4887 cli,
4888 fname);
4889 if (req == NULL) {
4890 status = NT_STATUS_NO_MEMORY;
4891 goto fail;
4892 }
4893
4894 if (!tevent_req_poll(req, ev)) {
4895 status = map_nt_error_from_unix(errno);
4896 goto fail;
4897 }
4898
4899 status = cli_posix_unlink_recv(req);
4900
4901 fail:
4902 TALLOC_FREE(frame);
4903 if (!NT_STATUS_IS_OK(status)) {
4904 cli_set_error(cli, status);
4905 }
4906 return status;
4907 }
4908
4909 /****************************************************************************
4910 rmdir - POSIX semantics.
4911 ****************************************************************************/
4912
4913 struct tevent_req *cli_posix_rmdir_send(TALLOC_CTX *mem_ctx,
4914 struct event_context *ev,
4915 struct cli_state *cli,
4916 const char *fname)
4917 {
4918 return cli_posix_unlink_internal_send(mem_ctx, ev, cli, fname, true);
4919 }
4920
4921 NTSTATUS cli_posix_rmdir_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx)
4922 {
4923 NTSTATUS status;
4924
4925 if (tevent_req_is_nterror(req, &status)) {
4926 return status;
4927 }
4928 return NT_STATUS_OK;
4929 }
4930
4931 NTSTATUS cli_posix_rmdir(struct cli_state *cli, const char *fname)
4932 {
4933 TALLOC_CTX *frame = talloc_stackframe();
4934 struct event_context *ev = NULL;
4935 struct tevent_req *req = NULL;
4936 NTSTATUS status = NT_STATUS_OK;
4937
4938 if (cli_has_async_calls(cli)) {
4939 /*
4940 * Can't use sync call while an async call is in flight
4941 */
4942 status = NT_STATUS_INVALID_PARAMETER;
4943 goto fail;
4944 }
4945
4946 ev = event_context_init(frame);
4947 if (ev == NULL) {
4948 status = NT_STATUS_NO_MEMORY;
4949 goto fail;
4950 }
4951
4952 req = cli_posix_rmdir_send(frame,
4953 ev,
4954 cli,
4955 fname);
4956 if (req == NULL) {
4957 status = NT_STATUS_NO_MEMORY;
4958 goto fail;
4959 }
4960
4961 if (!tevent_req_poll(req, ev)) {
4962 status = map_nt_error_from_unix(errno);
4963 goto fail;
4964 }
4965
4966 status = cli_posix_rmdir_recv(req, frame);
4967
4968 fail:
4969 TALLOC_FREE(frame);
4970 if (!NT_STATUS_IS_OK(status)) {
4971 cli_set_error(cli, status);
4972 }
4973 return status;
4974 }
4975
4976 /****************************************************************************
4977 filechangenotify
4978 ****************************************************************************/
4979
4980 struct cli_notify_state {
4981 uint8_t setup[8];
4982 uint32_t num_changes;
4983 struct notify_change *changes;
4984 };
4985
4986 static void cli_notify_done(struct tevent_req *subreq);
4987
4988 struct tevent_req *cli_notify_send(TALLOC_CTX *mem_ctx,
4989 struct tevent_context *ev,
4990 struct cli_state *cli, uint16_t fnum,
4991 uint32_t buffer_size,
4992 uint32_t completion_filter, bool recursive)
4993 {
4994 struct tevent_req *req, *subreq;
4995 struct cli_notify_state *state;
4996
4997 req = tevent_req_create(mem_ctx, &state, struct cli_notify_state);
4998 if (req == NULL) {
4999 return NULL;
5000 }
5001
5002 SIVAL(state->setup, 0, completion_filter);
5003 SSVAL(state->setup, 4, fnum);
5004 SSVAL(state->setup, 6, recursive);
5005
5006 subreq = cli_trans_send(
5007 state, /* mem ctx. */
5008 ev, /* event ctx. */
5009 cli, /* cli_state. */
5010 SMBnttrans, /* cmd. */
5011 NULL, /* pipe name. */
5012 -1, /* fid. */
5013 NT_TRANSACT_NOTIFY_CHANGE, /* function. */
5014 0, /* flags. */
5015 (uint16_t *)state->setup, /* setup. */
5016 4, /* num setup uint16_t words. */
5017 0, /* max returned setup. */
5018 NULL, /* param. */
5019 0, /* num param. */
5020 buffer_size, /* max returned param. */
5021 NULL, /* data. */
5022 0, /* num data. */
5023 0); /* max returned data. */
5024
5025 if (tevent_req_nomem(subreq, req)) {
5026 return tevent_req_post(req, ev);
5027 }
5028 tevent_req_set_callback(subreq, cli_notify_done, req);
5029 return req;
5030 }
5031
5032 static void cli_notify_done(struct tevent_req *subreq)
5033 {
5034 struct tevent_req *req = tevent_req_callback_data(
5035 subreq, struct tevent_req);
5036 struct cli_notify_state *state = tevent_req_data(
5037 req, struct cli_notify_state);
5038 NTSTATUS status;
5039 uint8_t *params;
5040 uint32_t i, ofs, num_params;
5041
5042 status = cli_trans_recv(subreq, talloc_tos(), NULL, 0, NULL,
5043 &params, 0, &num_params, NULL, 0, NULL);
5044 TALLOC_FREE(subreq);
5045 if (!NT_STATUS_IS_OK(status)) {
5046 DEBUG(10, ("cli_trans_recv returned %s\n", nt_errstr(status)));
5047 tevent_req_nterror(req, status);
5048 return;
5049 }
5050
5051 state->num_changes = 0;
5052 ofs = 0;
5053
5054 while (num_params - ofs > 12) {
5055 uint32_t len = IVAL(params, ofs);
5056 state->num_changes += 1;
5057
5058 if ((len == 0) || (ofs+len >= num_params)) {
5059 break;
5060 }
5061 ofs += len;
5062 }
5063
5064 state->changes = talloc_array(state, struct notify_change,
5065 state->num_changes);
5066 if (tevent_req_nomem(state->changes, req)) {
5067 TALLOC_FREE(params);
5068 return;
5069 }
5070
5071 ofs = 0;
5072
5073 for (i=0; i<state->num_changes; i++) {
5074 uint32_t next = IVAL(params, ofs);
5075 uint32_t len = IVAL(params, ofs+8);
5076 ssize_t ret;
5077 char *name;
5078
5079 if ((next != 0) && (len+12 != next)) {
5080 TALLOC_FREE(params);
5081 tevent_req_nterror(
5082 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
5083 return;
5084 }
5085
5086 state->changes[i].action = IVAL(params, ofs+4);
5087 ret = clistr_pull_talloc(params, (char *)params, &name,
5088 params+ofs+12, len,
5089 STR_TERMINATE|STR_UNICODE);
5090 if (ret == -1) {
5091 TALLOC_FREE(params);
5092 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
5093 return;
5094 }
5095 state->changes[i].name = name;
5096 ofs += next;
5097 }
5098
5099 TALLOC_FREE(params);
5100 tevent_req_done(req);
5101 }
5102
5103 NTSTATUS cli_notify_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
5104 uint32_t *pnum_changes,
5105 struct notify_change **pchanges)
5106 {
5107 struct cli_notify_state *state = tevent_req_data(
5108 req, struct cli_notify_state);
5109 NTSTATUS status;
5110
5111 if (tevent_req_is_nterror(req, &status)) {
5112 return status;
5113 }
5114
5115 *pnum_changes = state->num_changes;
5116 *pchanges = talloc_move(mem_ctx, &state->changes);
5117 return NT_STATUS_OK;
5118 }