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s3-utils/net_rpc_printer.c: print more info on write error
[Samba/gebeck_regimport.git] / source3 / libsmb / clirap.c
blobb6cbec43fb74a21f411eccca8b50e5c3c9d4e9ba
1 /*
2 Unix SMB/CIFS implementation.
3 client RAP calls
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Gerald (Jerry) Carter 2004
6 Copyright (C) James Peach 2007
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "../libcli/auth/libcli_auth.h"
24 #include "../librpc/gen_ndr/rap.h"
25 #include "../lib/crypto/arcfour.h"
26 #include "../lib/util/tevent_ntstatus.h"
27 #include "async_smb.h"
28 #include "libsmb/libsmb.h"
29 #include "libsmb/clirap.h"
30 #include "trans2.h"
31
32 #define PIPE_LANMAN "\\PIPE\\LANMAN"
33
34 /****************************************************************************
35 Call a remote api
36 ****************************************************************************/
37
38 bool cli_api(struct cli_state *cli,
39 char *param, int prcnt, int mprcnt,
40 char *data, int drcnt, int mdrcnt,
41 char **rparam, unsigned int *rprcnt,
42 char **rdata, unsigned int *rdrcnt)
43 {
44 NTSTATUS status;
45
46 uint8_t *my_rparam, *my_rdata;
47 uint32_t num_my_rparam, num_my_rdata;
48
49 status = cli_trans(talloc_tos(), cli, SMBtrans,
50 PIPE_LANMAN, 0, /* name, fid */
51 0, 0, /* function, flags */
52 NULL, 0, 0, /* setup */
53 (uint8_t *)param, prcnt, mprcnt, /* Params, length, max */
54 (uint8_t *)data, drcnt, mdrcnt, /* Data, length, max */
55 NULL, /* recv_flags2 */
56 NULL, 0, NULL, /* rsetup */
57 &my_rparam, 0, &num_my_rparam,
58 &my_rdata, 0, &num_my_rdata);
59 if (!NT_STATUS_IS_OK(status)) {
60 return false;
61 }
62
63 /*
64 * I know this memcpy massively hurts, but there are just tons
65 * of callers of cli_api that eventually need changing to
66 * talloc
67 */
68
69 *rparam = (char *)memdup(my_rparam, num_my_rparam);
70 if (*rparam == NULL) {
71 goto fail;
72 }
73 *rprcnt = num_my_rparam;
74 TALLOC_FREE(my_rparam);
75
76 *rdata = (char *)memdup(my_rdata, num_my_rdata);
77 if (*rdata == NULL) {
78 goto fail;
79 }
80 *rdrcnt = num_my_rdata;
81 TALLOC_FREE(my_rdata);
82
83 return true;
84 fail:
85 TALLOC_FREE(my_rdata);
86 TALLOC_FREE(my_rparam);
87 *rparam = NULL;
88 *rprcnt = 0;
89 *rdata = NULL;
90 *rdrcnt = 0;
91 return false;
92 }
93
94 /****************************************************************************
95 Perform a NetWkstaUserLogon.
96 ****************************************************************************/
97
98 bool cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation)
99 {
100 char *rparam = NULL;
101 char *rdata = NULL;
102 char *p;
103 unsigned int rdrcnt,rprcnt;
104 char param[1024];
105
106 memset(param, 0, sizeof(param));
107
108 /* send a SMBtrans command with api NetWkstaUserLogon */
109 p = param;
110 SSVAL(p,0,132); /* api number */
111 p += 2;
112 strlcpy(p,"OOWb54WrLh",sizeof(param)-PTR_DIFF(p,param));
113 p = skip_string(param,sizeof(param),p);
114 strlcpy(p,"WB21BWDWWDDDDDDDzzzD",sizeof(param)-PTR_DIFF(p,param));
115 p = skip_string(param,sizeof(param),p);
116 SSVAL(p,0,1);
117 p += 2;
118 strlcpy(p,user,sizeof(param)-PTR_DIFF(p,param));
119 strupper_m(p);
120 p += 21;
121 p++;
122 p += 15;
123 p++;
124 strlcpy(p, workstation,sizeof(param)-PTR_DIFF(p,param));
125 strupper_m(p);
126 p += 16;
127 SSVAL(p, 0, CLI_BUFFER_SIZE);
128 p += 2;
129 SSVAL(p, 0, CLI_BUFFER_SIZE);
130 p += 2;
131
132 if (cli_api(cli,
133 param, PTR_DIFF(p,param),1024, /* param, length, max */
134 NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
135 &rparam, &rprcnt, /* return params, return size */
136 &rdata, &rdrcnt /* return data, return size */
137 )) {
138 cli->rap_error = rparam? SVAL(rparam,0) : -1;
139 p = rdata;
140
141 if (cli->rap_error == 0) {
142 DEBUG(4,("NetWkstaUserLogon success\n"));
143 /*
144 * The cli->privileges = SVAL(p, 24); field was set here
145 * but it was not use anywhere else.
146 */
147 /* The cli->eff_name field used to be set here
148 but it wasn't used anywhere else. */
149 } else {
150 DEBUG(1,("NetwkstaUserLogon gave error %d\n", cli->rap_error));
151 }
152 }
153
154 SAFE_FREE(rparam);
155 SAFE_FREE(rdata);
156 return (cli->rap_error == 0);
157 }
158
159 /****************************************************************************
160 Call a NetShareEnum - try and browse available connections on a host.
161 ****************************************************************************/
162
163 int cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *, void *), void *state)
164 {
165 char *rparam = NULL;
166 char *rdata = NULL;
167 char *p;
168 unsigned int rdrcnt,rprcnt;
169 char param[1024];
170 int count = -1;
171
172 /* now send a SMBtrans command with api RNetShareEnum */
173 p = param;
174 SSVAL(p,0,0); /* api number */
175 p += 2;
176 strlcpy(p,"WrLeh",sizeof(param)-PTR_DIFF(p,param));
177 p = skip_string(param,sizeof(param),p);
178 strlcpy(p,"B13BWz",sizeof(param)-PTR_DIFF(p,param));
179 p = skip_string(param,sizeof(param),p);
180 SSVAL(p,0,1);
181 /*
182 * Win2k needs a *smaller* buffer than 0xFFFF here -
183 * it returns "out of server memory" with 0xFFFF !!! JRA.
184 */
185 SSVAL(p,2,0xFFE0);
186 p += 4;
187
188 if (cli_api(cli,
189 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
190 NULL, 0, 0xFFE0, /* data, length, maxlen - Win2k needs a small buffer here too ! */
191 &rparam, &rprcnt, /* return params, length */
192 &rdata, &rdrcnt)) /* return data, length */
193 {
194 int res = rparam? SVAL(rparam,0) : -1;
195
196 if (res == 0 || res == ERRmoredata) {
197 int converter=SVAL(rparam,2);
198 int i;
199 char *rdata_end = rdata + rdrcnt;
200
201 count=SVAL(rparam,4);
202 p = rdata;
203
204 for (i=0;i<count;i++,p+=20) {
205 char *sname;
206 int type;
207 int comment_offset;
208 const char *cmnt;
209 const char *p1;
210 char *s1, *s2;
211 size_t len;
212 TALLOC_CTX *frame = talloc_stackframe();
213
214 if (p + 20 > rdata_end) {
215 TALLOC_FREE(frame);
216 break;
217 }
218
219 sname = p;
220 type = SVAL(p,14);
221 comment_offset = (IVAL(p,16) & 0xFFFF) - converter;
222 if (comment_offset < 0 ||
223 comment_offset > (int)rdrcnt) {
224 TALLOC_FREE(frame);
225 break;
226 }
227 cmnt = comment_offset?(rdata+comment_offset):"";
228
229 /* Work out the comment length. */
230 for (p1 = cmnt, len = 0; *p1 &&
231 p1 < rdata_end; len++)
232 p1++;
233 if (!*p1) {
234 len++;
235 }
236 pull_string_talloc(frame,rdata,0,
237 &s1,sname,14,STR_ASCII);
238 pull_string_talloc(frame,rdata,0,
239 &s2,cmnt,len,STR_ASCII);
240 if (!s1 || !s2) {
241 TALLOC_FREE(frame);
242 continue;
243 }
244
245 fn(s1, type, s2, state);
246
247 TALLOC_FREE(frame);
248 }
249 } else {
250 DEBUG(4,("NetShareEnum res=%d\n", res));
251 }
252 } else {
253 DEBUG(4,("NetShareEnum failed\n"));
254 }
255
256 SAFE_FREE(rparam);
257 SAFE_FREE(rdata);
258
259 return count;
260 }
261
262 /****************************************************************************
263 Call a NetServerEnum for the specified workgroup and servertype mask. This
264 function then calls the specified callback function for each name returned.
265
266 The callback function takes 4 arguments: the machine name, the server type,
267 the comment and a state pointer.
268 ****************************************************************************/
269
270 bool cli_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype,
271 void (*fn)(const char *, uint32, const char *, void *),
272 void *state)
273 {
274 char *rparam = NULL;
275 char *rdata = NULL;
276 char *rdata_end = NULL;
277 unsigned int rdrcnt,rprcnt;
278 char *p;
279 char param[1024];
280 int uLevel = 1;
281 size_t len;
282 uint32 func = RAP_NetServerEnum2;
283 char *last_entry = NULL;
284 int total_cnt = 0;
285 int return_cnt = 0;
286 int res;
287
288 errno = 0; /* reset */
289
290 /*
291 * This may take more than one transaction, so we should loop until
292 * we no longer get a more data to process or we have all of the
293 * items.
294 */
295 do {
296 /* send a SMBtrans command with api NetServerEnum */
297 p = param;
298 SIVAL(p,0,func); /* api number */
299 p += 2;
300
301 if (func == RAP_NetServerEnum3) {
302 strlcpy(p,"WrLehDzz", sizeof(param)-PTR_DIFF(p,param));
303 } else {
304 strlcpy(p,"WrLehDz", sizeof(param)-PTR_DIFF(p,param));
305 }
306
307 p = skip_string(param, sizeof(param), p);
308 strlcpy(p,"B16BBDz", sizeof(param)-PTR_DIFF(p,param));
309
310 p = skip_string(param, sizeof(param), p);
311 SSVAL(p,0,uLevel);
312 SSVAL(p,2,CLI_BUFFER_SIZE);
313 p += 4;
314 SIVAL(p,0,stype);
315 p += 4;
316
317 /* If we have more data, tell the server where
318 * to continue from.
319 */
320 len = push_ascii(p,
321 workgroup,
322 sizeof(param) - PTR_DIFF(p,param) - 1,
323 STR_TERMINATE|STR_UPPER);
324
325 if (len == (size_t)-1) {
326 SAFE_FREE(last_entry);
327 return false;
328 }
329 p += len;
330
331 if (func == RAP_NetServerEnum3) {
332 len = push_ascii(p,
333 last_entry ? last_entry : "",
334 sizeof(param) - PTR_DIFF(p,param) - 1,
335 STR_TERMINATE);
336
337 if (len == (size_t)-1) {
338 SAFE_FREE(last_entry);
339 return false;
340 }
341 p += len;
342 }
343
344 /* Next time through we need to use the continue api */
345 func = RAP_NetServerEnum3;
346
347 if (!cli_api(cli,
348 param, PTR_DIFF(p,param), 8, /* params, length, max */
349 NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
350 &rparam, &rprcnt, /* return params, return size */
351 &rdata, &rdrcnt)) { /* return data, return size */
352
353 /* break out of the loop on error */
354 res = -1;
355 break;
356 }
357
358 rdata_end = rdata + rdrcnt;
359 res = rparam ? SVAL(rparam,0) : -1;
360
361 if (res == 0 || res == ERRmoredata ||
362 (res != -1 && cli_errno(cli) == 0)) {
363 char *sname = NULL;
364 int i, count;
365 int converter=SVAL(rparam,2);
366
367 /* Get the number of items returned in this buffer */
368 count = SVAL(rparam, 4);
369
370 /* The next field contains the number of items left,
371 * including those returned in this buffer. So the
372 * first time through this should contain all of the
373 * entries.
374 */
375 if (total_cnt == 0) {
376 total_cnt = SVAL(rparam, 6);
377 }
378
379 /* Keep track of how many we have read */
380 return_cnt += count;
381 p = rdata;
382
383 /* The last name in the previous NetServerEnum reply is
384 * sent back to server in the NetServerEnum3 request
385 * (last_entry). The next reply should repeat this entry
386 * as the first element. We have no proof that this is
387 * always true, but from traces that seems to be the
388 * behavior from Window Servers. So first lets do a lot
389 * of checking, just being paranoid. If the string
390 * matches then we already saw this entry so skip it.
391 *
392 * NOTE: sv1_name field must be null terminated and has
393 * a max size of 16 (NetBIOS Name).
394 */
395 if (last_entry && count && p &&
396 (strncmp(last_entry, p, 16) == 0)) {
397 count -= 1; /* Skip this entry */
398 return_cnt = -1; /* Not part of total, so don't count. */
399 p = rdata + 26; /* Skip the whole record */
400 }
401
402 for (i = 0; i < count; i++, p += 26) {
403 int comment_offset;
404 const char *cmnt;
405 const char *p1;
406 char *s1, *s2;
407 TALLOC_CTX *frame = talloc_stackframe();
408 uint32_t entry_stype;
409
410 if (p + 26 > rdata_end) {
411 TALLOC_FREE(frame);
412 break;
413 }
414
415 sname = p;
416 comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
417 cmnt = comment_offset?(rdata+comment_offset):"";
418
419 if (comment_offset < 0 || comment_offset >= (int)rdrcnt) {
420 TALLOC_FREE(frame);
421 continue;
422 }
423
424 /* Work out the comment length. */
425 for (p1 = cmnt, len = 0; *p1 &&
426 p1 < rdata_end; len++)
427 p1++;
428 if (!*p1) {
429 len++;
430 }
431
432 entry_stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
433
434 pull_string_talloc(frame,rdata,0,
435 &s1,sname,16,STR_ASCII);
436 pull_string_talloc(frame,rdata,0,
437 &s2,cmnt,len,STR_ASCII);
438
439 if (!s1 || !s2) {
440 TALLOC_FREE(frame);
441 continue;
442 }
443
444 fn(s1, entry_stype, s2, state);
445 TALLOC_FREE(frame);
446 }
447
448 /* We are done with the old last entry, so now we can free it */
449 if (last_entry) {
450 SAFE_FREE(last_entry); /* This will set it to null */
451 }
452
453 /* We always make a copy of the last entry if we have one */
454 if (sname) {
455 last_entry = smb_xstrdup(sname);
456 }
457
458 /* If we have more data, but no last entry then error out */
459 if (!last_entry && (res == ERRmoredata)) {
460 errno = EINVAL;
461 res = 0;
462 }
463
464 }
465
466 SAFE_FREE(rparam);
467 SAFE_FREE(rdata);
468 } while ((res == ERRmoredata) && (total_cnt > return_cnt));
469
470 SAFE_FREE(rparam);
471 SAFE_FREE(rdata);
472 SAFE_FREE(last_entry);
473
474 if (res == -1) {
475 errno = cli_errno(cli);
476 } else {
477 if (!return_cnt) {
478 /* this is a very special case, when the domain master for the
479 work group isn't part of the work group itself, there is something
480 wild going on */
481 errno = ENOENT;
482 }
483 }
484
485 return(return_cnt > 0);
486 }
487
488 /****************************************************************************
489 Send a SamOEMChangePassword command.
490 ****************************************************************************/
491
492 bool cli_oem_change_password(struct cli_state *cli, const char *user, const char *new_password,
493 const char *old_password)
494 {
495 char param[1024];
496 unsigned char data[532];
497 char *p = param;
498 unsigned char old_pw_hash[16];
499 unsigned char new_pw_hash[16];
500 unsigned int data_len;
501 unsigned int param_len = 0;
502 char *rparam = NULL;
503 char *rdata = NULL;
504 unsigned int rprcnt, rdrcnt;
505
506 if (strlen(user) >= sizeof(fstring)-1) {
507 DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
508 return False;
509 }
510
511 SSVAL(p,0,214); /* SamOEMChangePassword command. */
512 p += 2;
513 strlcpy(p, "zsT", sizeof(param)-PTR_DIFF(p,param));
514 p = skip_string(param,sizeof(param),p);
515 strlcpy(p, "B516B16", sizeof(param)-PTR_DIFF(p,param));
516 p = skip_string(param,sizeof(param),p);
517 strlcpy(p,user, sizeof(param)-PTR_DIFF(p,param));
518 p = skip_string(param,sizeof(param),p);
519 SSVAL(p,0,532);
520 p += 2;
521
522 param_len = PTR_DIFF(p,param);
523
524 /*
525 * Get the Lanman hash of the old password, we
526 * use this as the key to make_oem_passwd_hash().
527 */
528 E_deshash(old_password, old_pw_hash);
529
530 encode_pw_buffer(data, new_password, STR_ASCII);
531
532 #ifdef DEBUG_PASSWORD
533 DEBUG(100,("make_oem_passwd_hash\n"));
534 dump_data(100, data, 516);
535 #endif
536 arcfour_crypt( (unsigned char *)data, (unsigned char *)old_pw_hash, 516);
537
538 /*
539 * Now place the old password hash in the data.
540 */
541 E_deshash(new_password, new_pw_hash);
542
543 E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
544
545 data_len = 532;
546
547 if (!cli_api(cli,
548 param, param_len, 4, /* param, length, max */
549 (char *)data, data_len, 0, /* data, length, max */
550 &rparam, &rprcnt,
551 &rdata, &rdrcnt)) {
552 DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
553 user ));
554 return False;
555 }
556
557 if (rparam) {
558 cli->rap_error = SVAL(rparam,0);
559 }
560
561 SAFE_FREE(rparam);
562 SAFE_FREE(rdata);
563
564 return (cli->rap_error == 0);
565 }
566
567 /****************************************************************************
568 Send a qpathinfo call.
569 ****************************************************************************/
570
571 struct cli_qpathinfo1_state {
572 struct cli_state *cli;
573 uint32_t num_data;
574 uint8_t *data;
575 };
576
577 static void cli_qpathinfo1_done(struct tevent_req *subreq);
578
579 struct tevent_req *cli_qpathinfo1_send(TALLOC_CTX *mem_ctx,
580 struct event_context *ev,
581 struct cli_state *cli,
582 const char *fname)
583 {
584 struct tevent_req *req = NULL, *subreq = NULL;
585 struct cli_qpathinfo1_state *state = NULL;
586
587 req = tevent_req_create(mem_ctx, &state, struct cli_qpathinfo1_state);
588 if (req == NULL) {
589 return NULL;
590 }
591 state->cli = cli;
592 subreq = cli_qpathinfo_send(state, ev, cli, fname, SMB_INFO_STANDARD,
593 22, cli->max_xmit);
594 if (tevent_req_nomem(subreq, req)) {
595 return tevent_req_post(req, ev);
596 }
597 tevent_req_set_callback(subreq, cli_qpathinfo1_done, req);
598 return req;
599 }
600
601 static void cli_qpathinfo1_done(struct tevent_req *subreq)
602 {
603 struct tevent_req *req = tevent_req_callback_data(
604 subreq, struct tevent_req);
605 struct cli_qpathinfo1_state *state = tevent_req_data(
606 req, struct cli_qpathinfo1_state);
607 NTSTATUS status;
608
609 status = cli_qpathinfo_recv(subreq, state, &state->data,
610 &state->num_data);
611 TALLOC_FREE(subreq);
612 if (!NT_STATUS_IS_OK(status)) {
613 tevent_req_nterror(req, status);
614 return;
615 }
616 tevent_req_done(req);
617 }
618
619 NTSTATUS cli_qpathinfo1_recv(struct tevent_req *req,
620 time_t *change_time,
621 time_t *access_time,
622 time_t *write_time,
623 SMB_OFF_T *size,
624 uint16 *mode)
625 {
626 struct cli_qpathinfo1_state *state = tevent_req_data(
627 req, struct cli_qpathinfo1_state);
628 NTSTATUS status;
629
630 time_t (*date_fn)(const void *buf, int serverzone);
631
632 if (tevent_req_is_nterror(req, &status)) {
633 return status;
634 }
635
636 if (state->cli->win95) {
637 date_fn = make_unix_date;
638 } else {
639 date_fn = make_unix_date2;
640 }
641
642 if (change_time) {
643 *change_time = date_fn(state->data+0, state->cli->serverzone);
644 }
645 if (access_time) {
646 *access_time = date_fn(state->data+4, state->cli->serverzone);
647 }
648 if (write_time) {
649 *write_time = date_fn(state->data+8, state->cli->serverzone);
650 }
651 if (size) {
652 *size = IVAL(state->data, 12);
653 }
654 if (mode) {
655 *mode = SVAL(state->data, l1_attrFile);
656 }
657 return NT_STATUS_OK;
658 }
659
660 NTSTATUS cli_qpathinfo1(struct cli_state *cli,
661 const char *fname,
662 time_t *change_time,
663 time_t *access_time,
664 time_t *write_time,
665 SMB_OFF_T *size,
666 uint16 *mode)
667 {
668 TALLOC_CTX *frame = talloc_stackframe();
669 struct event_context *ev;
670 struct tevent_req *req;
671 NTSTATUS status = NT_STATUS_NO_MEMORY;
672
673 if (cli_has_async_calls(cli)) {
674 /*
675 * Can't use sync call while an async call is in flight
676 */
677 status = NT_STATUS_INVALID_PARAMETER;
678 goto fail;
679 }
680 ev = event_context_init(frame);
681 if (ev == NULL) {
682 goto fail;
683 }
684 req = cli_qpathinfo1_send(frame, ev, cli, fname);
685 if (req == NULL) {
686 goto fail;
687 }
688 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
689 goto fail;
690 }
691 status = cli_qpathinfo1_recv(req, change_time, access_time,
692 write_time, size, mode);
693 fail:
694 TALLOC_FREE(frame);
695 return status;
696 }
697
698 /****************************************************************************
699 Send a setpathinfo call.
700 ****************************************************************************/
701
702 NTSTATUS cli_setpathinfo_basic(struct cli_state *cli, const char *fname,
703 time_t create_time,
704 time_t access_time,
705 time_t write_time,
706 time_t change_time,
707 uint16 mode)
708 {
709 unsigned int data_len = 0;
710 char data[40];
711 char *p;
712
713 p = data;
714
715 /*
716 * Add the create, last access, modification, and status change times
717 */
718 put_long_date(p, create_time);
719 p += 8;
720
721 put_long_date(p, access_time);
722 p += 8;
723
724 put_long_date(p, write_time);
725 p += 8;
726
727 put_long_date(p, change_time);
728 p += 8;
729
730 /* Add attributes */
731 SIVAL(p, 0, mode);
732 p += 4;
733
734 /* Add padding */
735 SIVAL(p, 0, 0);
736 p += 4;
737
738 data_len = PTR_DIFF(p, data);
739
740 return cli_setpathinfo(cli, SMB_FILE_BASIC_INFORMATION, fname,
741 (uint8_t *)data, data_len);
742 }
743
744 /****************************************************************************
745 Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
746 ****************************************************************************/
747
748 struct cli_qpathinfo2_state {
749 uint32_t num_data;
750 uint8_t *data;
751 };
752
753 static void cli_qpathinfo2_done(struct tevent_req *subreq);
754
755 struct tevent_req *cli_qpathinfo2_send(TALLOC_CTX *mem_ctx,
756 struct event_context *ev,
757 struct cli_state *cli,
758 const char *fname)
759 {
760 struct tevent_req *req = NULL, *subreq = NULL;
761 struct cli_qpathinfo2_state *state = NULL;
762
763 req = tevent_req_create(mem_ctx, &state, struct cli_qpathinfo2_state);
764 if (req == NULL) {
765 return NULL;
766 }
767 subreq = cli_qpathinfo_send(state, ev, cli, fname,
768 SMB_QUERY_FILE_ALL_INFO,
769 68, cli->max_xmit);
770 if (tevent_req_nomem(subreq, req)) {
771 return tevent_req_post(req, ev);
772 }
773 tevent_req_set_callback(subreq, cli_qpathinfo2_done, req);
774 return req;
775 }
776
777 static void cli_qpathinfo2_done(struct tevent_req *subreq)
778 {
779 struct tevent_req *req = tevent_req_callback_data(
780 subreq, struct tevent_req);
781 struct cli_qpathinfo2_state *state = tevent_req_data(
782 req, struct cli_qpathinfo2_state);
783 NTSTATUS status;
784
785 status = cli_qpathinfo_recv(subreq, state, &state->data,
786 &state->num_data);
787 TALLOC_FREE(subreq);
788 if (!NT_STATUS_IS_OK(status)) {
789 tevent_req_nterror(req, status);
790 return;
791 }
792 tevent_req_done(req);
793 }
794
795 NTSTATUS cli_qpathinfo2_recv(struct tevent_req *req,
796 struct timespec *create_time,
797 struct timespec *access_time,
798 struct timespec *write_time,
799 struct timespec *change_time,
800 SMB_OFF_T *size, uint16 *mode,
801 SMB_INO_T *ino)
802 {
803 struct cli_qpathinfo2_state *state = tevent_req_data(
804 req, struct cli_qpathinfo2_state);
805 NTSTATUS status;
806
807 if (tevent_req_is_nterror(req, &status)) {
808 return status;
809 }
810
811 if (create_time) {
812 *create_time = interpret_long_date((char *)state->data+0);
813 }
814 if (access_time) {
815 *access_time = interpret_long_date((char *)state->data+8);
816 }
817 if (write_time) {
818 *write_time = interpret_long_date((char *)state->data+16);
819 }
820 if (change_time) {
821 *change_time = interpret_long_date((char *)state->data+24);
822 }
823 if (mode) {
824 *mode = SVAL(state->data, 32);
825 }
826 if (size) {
827 *size = IVAL2_TO_SMB_BIG_UINT(state->data,48);
828 }
829 if (ino) {
830 *ino = IVAL(state->data, 64);
831 }
832 return NT_STATUS_OK;
833 }
834
835 NTSTATUS cli_qpathinfo2(struct cli_state *cli, const char *fname,
836 struct timespec *create_time,
837 struct timespec *access_time,
838 struct timespec *write_time,
839 struct timespec *change_time,
840 SMB_OFF_T *size, uint16 *mode,
841 SMB_INO_T *ino)
842 {
843 TALLOC_CTX *frame = talloc_stackframe();
844 struct event_context *ev;
845 struct tevent_req *req;
846 NTSTATUS status = NT_STATUS_NO_MEMORY;
847
848 if (cli_has_async_calls(cli)) {
849 /*
850 * Can't use sync call while an async call is in flight
851 */
852 status = NT_STATUS_INVALID_PARAMETER;
853 goto fail;
854 }
855 ev = event_context_init(frame);
856 if (ev == NULL) {
857 goto fail;
858 }
859 req = cli_qpathinfo2_send(frame, ev, cli, fname);
860 if (req == NULL) {
861 goto fail;
862 }
863 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
864 goto fail;
865 }
866 status = cli_qpathinfo2_recv(req, create_time, access_time,
867 write_time, change_time, size, mode, ino);
868 fail:
869 TALLOC_FREE(frame);
870 return status;
871 }
872
873 /****************************************************************************
874 Get the stream info
875 ****************************************************************************/
876
877 static bool parse_streams_blob(TALLOC_CTX *mem_ctx, const uint8_t *data,
878 size_t data_len,
879 unsigned int *pnum_streams,
880 struct stream_struct **pstreams);
881
882 struct cli_qpathinfo_streams_state {
883 uint32_t num_data;
884 uint8_t *data;
885 };
886
887 static void cli_qpathinfo_streams_done(struct tevent_req *subreq);
888
889 struct tevent_req *cli_qpathinfo_streams_send(TALLOC_CTX *mem_ctx,
890 struct tevent_context *ev,
891 struct cli_state *cli,
892 const char *fname)
893 {
894 struct tevent_req *req = NULL, *subreq = NULL;
895 struct cli_qpathinfo_streams_state *state = NULL;
896
897 req = tevent_req_create(mem_ctx, &state,
898 struct cli_qpathinfo_streams_state);
899 if (req == NULL) {
900 return NULL;
901 }
902 subreq = cli_qpathinfo_send(state, ev, cli, fname,
903 SMB_FILE_STREAM_INFORMATION,
904 0, cli->max_xmit);
905 if (tevent_req_nomem(subreq, req)) {
906 return tevent_req_post(req, ev);
907 }
908 tevent_req_set_callback(subreq, cli_qpathinfo_streams_done, req);
909 return req;
910 }
911
912 static void cli_qpathinfo_streams_done(struct tevent_req *subreq)
913 {
914 struct tevent_req *req = tevent_req_callback_data(
915 subreq, struct tevent_req);
916 struct cli_qpathinfo_streams_state *state = tevent_req_data(
917 req, struct cli_qpathinfo_streams_state);
918 NTSTATUS status;
919
920 status = cli_qpathinfo_recv(subreq, state, &state->data,
921 &state->num_data);
922 TALLOC_FREE(subreq);
923 if (!NT_STATUS_IS_OK(status)) {
924 tevent_req_nterror(req, status);
925 return;
926 }
927 tevent_req_done(req);
928 }
929
930 NTSTATUS cli_qpathinfo_streams_recv(struct tevent_req *req,
931 TALLOC_CTX *mem_ctx,
932 unsigned int *pnum_streams,
933 struct stream_struct **pstreams)
934 {
935 struct cli_qpathinfo_streams_state *state = tevent_req_data(
936 req, struct cli_qpathinfo_streams_state);
937 NTSTATUS status;
938
939 if (tevent_req_is_nterror(req, &status)) {
940 return status;
941 }
942 if (!parse_streams_blob(mem_ctx, state->data, state->num_data,
943 pnum_streams, pstreams)) {
944 return NT_STATUS_INVALID_NETWORK_RESPONSE;
945 }
946 return NT_STATUS_OK;
947 }
948
949 NTSTATUS cli_qpathinfo_streams(struct cli_state *cli, const char *fname,
950 TALLOC_CTX *mem_ctx,
951 unsigned int *pnum_streams,
952 struct stream_struct **pstreams)
953 {
954 TALLOC_CTX *frame = talloc_stackframe();
955 struct event_context *ev;
956 struct tevent_req *req;
957 NTSTATUS status = NT_STATUS_NO_MEMORY;
958
959 if (cli_has_async_calls(cli)) {
960 /*
961 * Can't use sync call while an async call is in flight
962 */
963 status = NT_STATUS_INVALID_PARAMETER;
964 goto fail;
965 }
966 ev = event_context_init(frame);
967 if (ev == NULL) {
968 goto fail;
969 }
970 req = cli_qpathinfo_streams_send(frame, ev, cli, fname);
971 if (req == NULL) {
972 goto fail;
973 }
974 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
975 goto fail;
976 }
977 status = cli_qpathinfo_streams_recv(req, mem_ctx, pnum_streams,
978 pstreams);
979 fail:
980 TALLOC_FREE(frame);
981 return status;
982 }
983
984 static bool parse_streams_blob(TALLOC_CTX *mem_ctx, const uint8_t *rdata,
985 size_t data_len,
986 unsigned int *pnum_streams,
987 struct stream_struct **pstreams)
988 {
989 unsigned int num_streams;
990 struct stream_struct *streams;
991 unsigned int ofs;
992
993 num_streams = 0;
994 streams = NULL;
995 ofs = 0;
996
997 while ((data_len > ofs) && (data_len - ofs >= 24)) {
998 uint32_t nlen, len;
999 size_t size;
1000 void *vstr;
1001 struct stream_struct *tmp;
1002 uint8_t *tmp_buf;
1003
1004 tmp = talloc_realloc(mem_ctx, streams,
1005 struct stream_struct,
1006 num_streams+1);
1007
1008 if (tmp == NULL) {
1009 goto fail;
1010 }
1011 streams = tmp;
1012
1013 nlen = IVAL(rdata, ofs + 0x04);
1014
1015 streams[num_streams].size = IVAL_TO_SMB_OFF_T(
1016 rdata, ofs + 0x08);
1017 streams[num_streams].alloc_size = IVAL_TO_SMB_OFF_T(
1018 rdata, ofs + 0x10);
1019
1020 if (nlen > data_len - (ofs + 24)) {
1021 goto fail;
1022 }
1023
1024 /*
1025 * We need to null-terminate src, how do I do this with
1026 * convert_string_talloc??
1027 */
1028
1029 tmp_buf = talloc_array(streams, uint8_t, nlen+2);
1030 if (tmp_buf == NULL) {
1031 goto fail;
1032 }
1033
1034 memcpy(tmp_buf, rdata+ofs+24, nlen);
1035 tmp_buf[nlen] = 0;
1036 tmp_buf[nlen+1] = 0;
1037
1038 if (!convert_string_talloc(streams, CH_UTF16, CH_UNIX, tmp_buf,
1039 nlen+2, &vstr, &size))
1040 {
1041 TALLOC_FREE(tmp_buf);
1042 goto fail;
1043 }
1044
1045 TALLOC_FREE(tmp_buf);
1046 streams[num_streams].name = (char *)vstr;
1047 num_streams++;
1048
1049 len = IVAL(rdata, ofs);
1050 if (len > data_len - ofs) {
1051 goto fail;
1052 }
1053 if (len == 0) break;
1054 ofs += len;
1055 }
1056
1057 *pnum_streams = num_streams;
1058 *pstreams = streams;
1059 return true;
1060
1061 fail:
1062 TALLOC_FREE(streams);
1063 return false;
1064 }
1065
1066 /****************************************************************************
1067 Send a qfileinfo QUERY_FILE_NAME_INFO call.
1068 ****************************************************************************/
1069
1070 NTSTATUS cli_qfilename(struct cli_state *cli, uint16_t fnum,
1071 TALLOC_CTX *mem_ctx, char **_name)
1072 {
1073 uint16_t recv_flags2;
1074 uint8_t *rdata;
1075 uint32_t num_rdata;
1076 NTSTATUS status;
1077 char *name = NULL;
1078 uint32_t namelen;
1079
1080 status = cli_qfileinfo(talloc_tos(), cli, fnum,
1081 SMB_QUERY_FILE_NAME_INFO,
1082 4, cli->max_xmit, &recv_flags2,
1083 &rdata, &num_rdata);
1084 if (!NT_STATUS_IS_OK(status)) {
1085 return status;
1086 }
1087
1088 namelen = IVAL(rdata, 0);
1089 if (namelen > (num_rdata - 4)) {
1090 TALLOC_FREE(rdata);
1091 return NT_STATUS_INVALID_NETWORK_RESPONSE;
1092 }
1093
1094 clistr_pull_talloc(mem_ctx,
1095 (const char *)rdata,
1096 recv_flags2,
1097 &name,
1098 rdata + 4,
1099 namelen,
1100 STR_UNICODE);
1101 if (name == NULL) {
1102 status = map_nt_error_from_unix(errno);
1103 TALLOC_FREE(rdata);
1104 return status;
1105 }
1106
1107 *_name = name;
1108 TALLOC_FREE(rdata);
1109 return NT_STATUS_OK;
1110 }
1111
1112 /****************************************************************************
1113 Send a qfileinfo call.
1114 ****************************************************************************/
1115
1116 NTSTATUS cli_qfileinfo_basic(struct cli_state *cli, uint16_t fnum,
1117 uint16 *mode, SMB_OFF_T *size,
1118 struct timespec *create_time,
1119 struct timespec *access_time,
1120 struct timespec *write_time,
1121 struct timespec *change_time,
1122 SMB_INO_T *ino)
1123 {
1124 uint8_t *rdata;
1125 uint32_t num_rdata;
1126 NTSTATUS status;
1127
1128 /* if its a win95 server then fail this - win95 totally screws it
1129 up */
1130 if (cli->win95) {
1131 return NT_STATUS_NOT_SUPPORTED;
1132 }
1133
1134 status = cli_qfileinfo(talloc_tos(), cli, fnum,
1135 SMB_QUERY_FILE_ALL_INFO,
1136 68, MIN(cli->max_xmit, 0xffff),
1137 NULL,
1138 &rdata, &num_rdata);
1139 if (!NT_STATUS_IS_OK(status)) {
1140 return status;
1141 }
1142
1143 if (create_time) {
1144 *create_time = interpret_long_date((char *)rdata+0);
1145 }
1146 if (access_time) {
1147 *access_time = interpret_long_date((char *)rdata+8);
1148 }
1149 if (write_time) {
1150 *write_time = interpret_long_date((char *)rdata+16);
1151 }
1152 if (change_time) {
1153 *change_time = interpret_long_date((char *)rdata+24);
1154 }
1155 if (mode) {
1156 *mode = SVAL(rdata, 32);
1157 }
1158 if (size) {
1159 *size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
1160 }
1161 if (ino) {
1162 *ino = IVAL(rdata, 64);
1163 }
1164
1165 TALLOC_FREE(rdata);
1166 return NT_STATUS_OK;
1167 }
1168
1169 /****************************************************************************
1170 Send a qpathinfo BASIC_INFO call.
1171 ****************************************************************************/
1172
1173 struct cli_qpathinfo_basic_state {
1174 uint32_t num_data;
1175 uint8_t *data;
1176 };
1177
1178 static void cli_qpathinfo_basic_done(struct tevent_req *subreq);
1179
1180 struct tevent_req *cli_qpathinfo_basic_send(TALLOC_CTX *mem_ctx,
1181 struct event_context *ev,
1182 struct cli_state *cli,
1183 const char *fname)
1184 {
1185 struct tevent_req *req = NULL, *subreq = NULL;
1186 struct cli_qpathinfo_basic_state *state = NULL;
1187
1188 req = tevent_req_create(mem_ctx, &state,
1189 struct cli_qpathinfo_basic_state);
1190 if (req == NULL) {
1191 return NULL;
1192 }
1193 subreq = cli_qpathinfo_send(state, ev, cli, fname,
1194 SMB_QUERY_FILE_BASIC_INFO,
1195 36, cli->max_xmit);
1196 if (tevent_req_nomem(subreq, req)) {
1197 return tevent_req_post(req, ev);
1198 }
1199 tevent_req_set_callback(subreq, cli_qpathinfo_basic_done, req);
1200 return req;
1201 }
1202
1203 static void cli_qpathinfo_basic_done(struct tevent_req *subreq)
1204 {
1205 struct tevent_req *req = tevent_req_callback_data(
1206 subreq, struct tevent_req);
1207 struct cli_qpathinfo_basic_state *state = tevent_req_data(
1208 req, struct cli_qpathinfo_basic_state);
1209 NTSTATUS status;
1210
1211 status = cli_qpathinfo_recv(subreq, state, &state->data,
1212 &state->num_data);
1213 TALLOC_FREE(subreq);
1214 if (!NT_STATUS_IS_OK(status)) {
1215 tevent_req_nterror(req, status);
1216 return;
1217 }
1218 tevent_req_done(req);
1219 }
1220
1221 NTSTATUS cli_qpathinfo_basic_recv(struct tevent_req *req,
1222 SMB_STRUCT_STAT *sbuf, uint32 *attributes)
1223 {
1224 struct cli_qpathinfo_basic_state *state = tevent_req_data(
1225 req, struct cli_qpathinfo_basic_state);
1226 NTSTATUS status;
1227
1228 if (tevent_req_is_nterror(req, &status)) {
1229 return status;
1230 }
1231
1232 sbuf->st_ex_atime = interpret_long_date((char *)state->data+8);
1233 sbuf->st_ex_mtime = interpret_long_date((char *)state->data+16);
1234 sbuf->st_ex_ctime = interpret_long_date((char *)state->data+24);
1235 *attributes = IVAL(state->data, 32);
1236 return NT_STATUS_OK;
1237 }
1238
1239 NTSTATUS cli_qpathinfo_basic(struct cli_state *cli, const char *name,
1240 SMB_STRUCT_STAT *sbuf, uint32 *attributes)
1241 {
1242 TALLOC_CTX *frame = talloc_stackframe();
1243 struct event_context *ev;
1244 struct tevent_req *req;
1245 NTSTATUS status = NT_STATUS_NO_MEMORY;
1246
1247 if (cli_has_async_calls(cli)) {
1248 /*
1249 * Can't use sync call while an async call is in flight
1250 */
1251 status = NT_STATUS_INVALID_PARAMETER;
1252 goto fail;
1253 }
1254 ev = event_context_init(frame);
1255 if (ev == NULL) {
1256 goto fail;
1257 }
1258 req = cli_qpathinfo_basic_send(frame, ev, cli, name);
1259 if (req == NULL) {
1260 goto fail;
1261 }
1262 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1263 goto fail;
1264 }
1265 status = cli_qpathinfo_basic_recv(req, sbuf, attributes);
1266 fail:
1267 TALLOC_FREE(frame);
1268 return status;
1269 }
1270
1271 /****************************************************************************
1272 Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
1273 ****************************************************************************/
1274
1275 NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
1276 {
1277 uint8_t *rdata;
1278 uint32_t num_rdata;
1279 unsigned int len;
1280 char *converted = NULL;
1281 size_t converted_size = 0;
1282 NTSTATUS status;
1283
1284 status = cli_qpathinfo(talloc_tos(), cli, fname,
1285 SMB_QUERY_FILE_ALT_NAME_INFO,
1286 4, cli->max_xmit, &rdata, &num_rdata);
1287 if (!NT_STATUS_IS_OK(status)) {
1288 return status;
1289 }
1290
1291 len = IVAL(rdata, 0);
1292
1293 if (len > num_rdata - 4) {
1294 return NT_STATUS_INVALID_NETWORK_RESPONSE;
1295 }
1296
1297 /* The returned data is a pushed string, not raw data. */
1298 if (!convert_string_talloc(talloc_tos(),
1299 cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
1300 CH_UNIX,
1301 rdata + 4,
1302 len,
1303 &converted,
1304 &converted_size)) {
1305 return NT_STATUS_NO_MEMORY;
1306 }
1307 fstrcpy(alt_name, converted);
1308
1309 TALLOC_FREE(converted);
1310 TALLOC_FREE(rdata);
1311
1312 return NT_STATUS_OK;
1313 }
reg import