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s3:libsmb: don't reuse the callers stype variable in cli_NetServerEnum()
[Samba/fernandojvsilva.git] / source3 / libsmb / clirap.c
bloba9a13f7b96d3a2b0173761766f4dec86331d8c82
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
25 /****************************************************************************
26 Call a remote api
27 ****************************************************************************/
28
29 bool cli_api(struct cli_state *cli,
30 char *param, int prcnt, int mprcnt,
31 char *data, int drcnt, int mdrcnt,
32 char **rparam, unsigned int *rprcnt,
33 char **rdata, unsigned int *rdrcnt)
34 {
35 cli_send_trans(cli,SMBtrans,
36 PIPE_LANMAN, /* Name */
37 0,0, /* fid, flags */
38 NULL,0,0, /* Setup, length, max */
39 param, prcnt, mprcnt, /* Params, length, max */
40 data, drcnt, mdrcnt /* Data, length, max */
41 );
42
43 return (cli_receive_trans(cli,SMBtrans,
44 rparam, rprcnt,
45 rdata, rdrcnt));
46 }
47
48 /****************************************************************************
49 Perform a NetWkstaUserLogon.
50 ****************************************************************************/
51
52 bool cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation)
53 {
54 char *rparam = NULL;
55 char *rdata = NULL;
56 char *p;
57 unsigned int rdrcnt,rprcnt;
58 char param[1024];
59
60 memset(param, 0, sizeof(param));
61
62 /* send a SMBtrans command with api NetWkstaUserLogon */
63 p = param;
64 SSVAL(p,0,132); /* api number */
65 p += 2;
66 strlcpy(p,"OOWb54WrLh",sizeof(param)-PTR_DIFF(p,param));
67 p = skip_string(param,sizeof(param),p);
68 strlcpy(p,"WB21BWDWWDDDDDDDzzzD",sizeof(param)-PTR_DIFF(p,param));
69 p = skip_string(param,sizeof(param),p);
70 SSVAL(p,0,1);
71 p += 2;
72 strlcpy(p,user,sizeof(param)-PTR_DIFF(p,param));
73 strupper_m(p);
74 p += 21;
75 p++;
76 p += 15;
77 p++;
78 strlcpy(p, workstation,sizeof(param)-PTR_DIFF(p,param));
79 strupper_m(p);
80 p += 16;
81 SSVAL(p, 0, CLI_BUFFER_SIZE);
82 p += 2;
83 SSVAL(p, 0, CLI_BUFFER_SIZE);
84 p += 2;
85
86 if (cli_api(cli,
87 param, PTR_DIFF(p,param),1024, /* param, length, max */
88 NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
89 &rparam, &rprcnt, /* return params, return size */
90 &rdata, &rdrcnt /* return data, return size */
91 )) {
92 cli->rap_error = rparam? SVAL(rparam,0) : -1;
93 p = rdata;
94
95 if (cli->rap_error == 0) {
96 DEBUG(4,("NetWkstaUserLogon success\n"));
97 cli->privileges = SVAL(p, 24);
98 /* The cli->eff_name field used to be set here
99 but it wasn't used anywhere else. */
100 } else {
101 DEBUG(1,("NetwkstaUserLogon gave error %d\n", cli->rap_error));
102 }
103 }
104
105 SAFE_FREE(rparam);
106 SAFE_FREE(rdata);
107 return (cli->rap_error == 0);
108 }
109
110 /****************************************************************************
111 Call a NetShareEnum - try and browse available connections on a host.
112 ****************************************************************************/
113
114 int cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *, void *), void *state)
115 {
116 char *rparam = NULL;
117 char *rdata = NULL;
118 char *p;
119 unsigned int rdrcnt,rprcnt;
120 char param[1024];
121 int count = -1;
122
123 /* now send a SMBtrans command with api RNetShareEnum */
124 p = param;
125 SSVAL(p,0,0); /* api number */
126 p += 2;
127 strlcpy(p,"WrLeh",sizeof(param)-PTR_DIFF(p,param));
128 p = skip_string(param,sizeof(param),p);
129 strlcpy(p,"B13BWz",sizeof(param)-PTR_DIFF(p,param));
130 p = skip_string(param,sizeof(param),p);
131 SSVAL(p,0,1);
132 /*
133 * Win2k needs a *smaller* buffer than 0xFFFF here -
134 * it returns "out of server memory" with 0xFFFF !!! JRA.
135 */
136 SSVAL(p,2,0xFFE0);
137 p += 4;
138
139 if (cli_api(cli,
140 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
141 NULL, 0, 0xFFE0, /* data, length, maxlen - Win2k needs a small buffer here too ! */
142 &rparam, &rprcnt, /* return params, length */
143 &rdata, &rdrcnt)) /* return data, length */
144 {
145 int res = rparam? SVAL(rparam,0) : -1;
146
147 if (res == 0 || res == ERRmoredata) {
148 int converter=SVAL(rparam,2);
149 int i;
150 char *rdata_end = rdata + rdrcnt;
151
152 count=SVAL(rparam,4);
153 p = rdata;
154
155 for (i=0;i<count;i++,p+=20) {
156 char *sname;
157 int type;
158 int comment_offset;
159 const char *cmnt;
160 const char *p1;
161 char *s1, *s2;
162 size_t len;
163 TALLOC_CTX *frame = talloc_stackframe();
164
165 if (p + 20 > rdata_end) {
166 TALLOC_FREE(frame);
167 break;
168 }
169
170 sname = p;
171 type = SVAL(p,14);
172 comment_offset = (IVAL(p,16) & 0xFFFF) - converter;
173 if (comment_offset < 0 ||
174 comment_offset > (int)rdrcnt) {
175 TALLOC_FREE(frame);
176 break;
177 }
178 cmnt = comment_offset?(rdata+comment_offset):"";
179
180 /* Work out the comment length. */
181 for (p1 = cmnt, len = 0; *p1 &&
182 p1 < rdata_end; len++)
183 p1++;
184 if (!*p1) {
185 len++;
186 }
187 pull_string_talloc(frame,rdata,0,
188 &s1,sname,14,STR_ASCII);
189 pull_string_talloc(frame,rdata,0,
190 &s2,cmnt,len,STR_ASCII);
191 if (!s1 || !s2) {
192 TALLOC_FREE(frame);
193 continue;
194 }
195
196 fn(s1, type, s2, state);
197
198 TALLOC_FREE(frame);
199 }
200 } else {
201 DEBUG(4,("NetShareEnum res=%d\n", res));
202 }
203 } else {
204 DEBUG(4,("NetShareEnum failed\n"));
205 }
206
207 SAFE_FREE(rparam);
208 SAFE_FREE(rdata);
209
210 return count;
211 }
212
213 /****************************************************************************
214 Call a NetServerEnum for the specified workgroup and servertype mask. This
215 function then calls the specified callback function for each name returned.
216
217 The callback function takes 4 arguments: the machine name, the server type,
218 the comment and a state pointer.
219 ****************************************************************************/
220
221 bool cli_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype,
222 void (*fn)(const char *, uint32, const char *, void *),
223 void *state)
224 {
225 char *rparam = NULL;
226 char *rdata = NULL;
227 char *rdata_end = NULL;
228 unsigned int rdrcnt,rprcnt;
229 char *p;
230 char param[1024];
231 int uLevel = 1;
232 size_t len;
233 uint32 func = RAP_NetServerEnum2;
234 char *last_entry = NULL;
235 int total_cnt = 0;
236 int return_cnt = 0;
237 int res;
238
239 errno = 0; /* reset */
240
241 /*
242 * This may take more than one transaction, so we should loop until
243 * we no longer get a more data to process or we have all of the
244 * items.
245 */
246 do {
247 /* send a SMBtrans command with api NetServerEnum */
248 p = param;
249 SIVAL(p,0,func); /* api number */
250 p += 2;
251 /* Next time through we need to use the continue api */
252 func = RAP_NetServerEnum3;
253
254 if (last_entry) {
255 strlcpy(p,"WrLehDOz", sizeof(param)-PTR_DIFF(p,param));
256 } else {
257 strlcpy(p,"WrLehDz", sizeof(param)-PTR_DIFF(p,param));
258 }
259
260 p = skip_string(param, sizeof(param), p);
261 strlcpy(p,"B16BBDz", sizeof(param)-PTR_DIFF(p,param));
262
263 p = skip_string(param, sizeof(param), p);
264 SSVAL(p,0,uLevel);
265 SSVAL(p,2,CLI_BUFFER_SIZE);
266 p += 4;
267 SIVAL(p,0,stype);
268 p += 4;
269
270 /* If we have more data, tell the server where
271 * to continue from.
272 */
273 len = push_ascii(p,
274 last_entry ? last_entry : workgroup,
275 sizeof(param) - PTR_DIFF(p,param) - 1,
276 STR_TERMINATE|STR_UPPER);
277
278 if (len == (size_t)-1) {
279 SAFE_FREE(last_entry);
280 return false;
281 }
282 p += len;
283
284 if (!cli_api(cli,
285 param, PTR_DIFF(p,param), 8, /* params, length, max */
286 NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
287 &rparam, &rprcnt, /* return params, return size */
288 &rdata, &rdrcnt)) { /* return data, return size */
289
290 /* break out of the loop on error */
291 res = -1;
292 break;
293 }
294
295 rdata_end = rdata + rdrcnt;
296 res = rparam ? SVAL(rparam,0) : -1;
297
298 if (res == 0 || res == ERRmoredata ||
299 (res != -1 && cli_errno(cli) == 0)) {
300 char *sname = NULL;
301 int i, count;
302 int converter=SVAL(rparam,2);
303
304 /* Get the number of items returned in this buffer */
305 count = SVAL(rparam, 4);
306
307 /* The next field contains the number of items left,
308 * including those returned in this buffer. So the
309 * first time through this should contain all of the
310 * entries.
311 */
312 if (total_cnt == 0) {
313 total_cnt = SVAL(rparam, 6);
314 }
315
316 /* Keep track of how many we have read */
317 return_cnt += count;
318 p = rdata;
319
320 /* The last name in the previous NetServerEnum reply is
321 * sent back to server in the NetServerEnum3 request
322 * (last_entry). The next reply should repeat this entry
323 * as the first element. We have no proof that this is
324 * always true, but from traces that seems to be the
325 * behavior from Window Servers. So first lets do a lot
326 * of checking, just being paranoid. If the string
327 * matches then we already saw this entry so skip it.
328 *
329 * NOTE: sv1_name field must be null terminated and has
330 * a max size of 16 (NetBIOS Name).
331 */
332 if (last_entry && count && p &&
333 (strncmp(last_entry, p, 16) == 0)) {
334 count -= 1; /* Skip this entry */
335 return_cnt = -1; /* Not part of total, so don't count. */
336 p = rdata + 26; /* Skip the whole record */
337 }
338
339 for (i = 0; i < count; i++, p += 26) {
340 int comment_offset;
341 const char *cmnt;
342 const char *p1;
343 char *s1, *s2;
344 TALLOC_CTX *frame = talloc_stackframe();
345 uint32_t entry_stype;
346
347 if (p + 26 > rdata_end) {
348 TALLOC_FREE(frame);
349 break;
350 }
351
352 sname = p;
353 comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
354 cmnt = comment_offset?(rdata+comment_offset):"";
355
356 if (comment_offset < 0 || comment_offset > (int)rdrcnt) {
357 TALLOC_FREE(frame);
358 continue;
359 }
360
361 /* Work out the comment length. */
362 for (p1 = cmnt, len = 0; *p1 &&
363 p1 < rdata_end; len++)
364 p1++;
365 if (!*p1) {
366 len++;
367 }
368
369 entry_stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
370
371 pull_string_talloc(frame,rdata,0,
372 &s1,sname,16,STR_ASCII);
373 pull_string_talloc(frame,rdata,0,
374 &s2,cmnt,len,STR_ASCII);
375
376 if (!s1 || !s2) {
377 TALLOC_FREE(frame);
378 continue;
379 }
380
381 fn(s1, entry_stype, s2, state);
382 TALLOC_FREE(frame);
383 }
384
385 /* We are done with the old last entry, so now we can free it */
386 if (last_entry) {
387 SAFE_FREE(last_entry); /* This will set it to null */
388 }
389
390 /* We always make a copy of the last entry if we have one */
391 if (sname) {
392 last_entry = smb_xstrdup(sname);
393 }
394
395 /* If we have more data, but no last entry then error out */
396 if (!last_entry && (res == ERRmoredata)) {
397 errno = EINVAL;
398 res = 0;
399 }
400
401 }
402
403 SAFE_FREE(rparam);
404 SAFE_FREE(rdata);
405 } while ((res == ERRmoredata) && (total_cnt > return_cnt));
406
407 SAFE_FREE(rparam);
408 SAFE_FREE(rdata);
409 SAFE_FREE(last_entry);
410
411 if (res == -1) {
412 errno = cli_errno(cli);
413 } else {
414 if (!return_cnt) {
415 /* this is a very special case, when the domain master for the
416 work group isn't part of the work group itself, there is something
417 wild going on */
418 errno = ENOENT;
419 }
420 }
421
422 return(return_cnt > 0);
423 }
424
425 /****************************************************************************
426 Send a SamOEMChangePassword command.
427 ****************************************************************************/
428
429 bool cli_oem_change_password(struct cli_state *cli, const char *user, const char *new_password,
430 const char *old_password)
431 {
432 char param[1024];
433 unsigned char data[532];
434 char *p = param;
435 unsigned char old_pw_hash[16];
436 unsigned char new_pw_hash[16];
437 unsigned int data_len;
438 unsigned int param_len = 0;
439 char *rparam = NULL;
440 char *rdata = NULL;
441 unsigned int rprcnt, rdrcnt;
442
443 if (strlen(user) >= sizeof(fstring)-1) {
444 DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
445 return False;
446 }
447
448 SSVAL(p,0,214); /* SamOEMChangePassword command. */
449 p += 2;
450 strlcpy(p, "zsT", sizeof(param)-PTR_DIFF(p,param));
451 p = skip_string(param,sizeof(param),p);
452 strlcpy(p, "B516B16", sizeof(param)-PTR_DIFF(p,param));
453 p = skip_string(param,sizeof(param),p);
454 strlcpy(p,user, sizeof(param)-PTR_DIFF(p,param));
455 p = skip_string(param,sizeof(param),p);
456 SSVAL(p,0,532);
457 p += 2;
458
459 param_len = PTR_DIFF(p,param);
460
461 /*
462 * Get the Lanman hash of the old password, we
463 * use this as the key to make_oem_passwd_hash().
464 */
465 E_deshash(old_password, old_pw_hash);
466
467 encode_pw_buffer(data, new_password, STR_ASCII);
468
469 #ifdef DEBUG_PASSWORD
470 DEBUG(100,("make_oem_passwd_hash\n"));
471 dump_data(100, data, 516);
472 #endif
473 arcfour_crypt( (unsigned char *)data, (unsigned char *)old_pw_hash, 516);
474
475 /*
476 * Now place the old password hash in the data.
477 */
478 E_deshash(new_password, new_pw_hash);
479
480 E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
481
482 data_len = 532;
483
484 if (cli_send_trans(cli,SMBtrans,
485 PIPE_LANMAN, /* name */
486 0,0, /* fid, flags */
487 NULL,0,0, /* setup, length, max */
488 param,param_len,2, /* param, length, max */
489 (char *)data,data_len,0 /* data, length, max */
490 ) == False) {
491 DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
492 user ));
493 return False;
494 }
495
496 if (!cli_receive_trans(cli,SMBtrans,
497 &rparam, &rprcnt,
498 &rdata, &rdrcnt)) {
499 DEBUG(0,("cli_oem_change_password: Failed to recieve reply to password change for user %s\n",
500 user ));
501 return False;
502 }
503
504 if (rparam) {
505 cli->rap_error = SVAL(rparam,0);
506 }
507
508 SAFE_FREE(rparam);
509 SAFE_FREE(rdata);
510
511 return (cli->rap_error == 0);
512 }
513
514 /****************************************************************************
515 Send a qpathinfo call.
516 ****************************************************************************/
517
518 bool cli_qpathinfo(struct cli_state *cli,
519 const char *fname,
520 time_t *change_time,
521 time_t *access_time,
522 time_t *write_time,
523 SMB_OFF_T *size,
524 uint16 *mode)
525 {
526 unsigned int data_len = 0;
527 unsigned int param_len = 0;
528 unsigned int rparam_len, rdata_len;
529 uint16 setup = TRANSACT2_QPATHINFO;
530 char *param;
531 char *rparam=NULL, *rdata=NULL;
532 int count=8;
533 bool ret;
534 time_t (*date_fn)(struct cli_state *, const void *);
535 char *p;
536 size_t nlen = 2*(strlen(fname)+1);
537
538 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
539 if (!param) {
540 return false;
541 }
542 p = param;
543 memset(p, '\0', 6);
544 SSVAL(p, 0, SMB_INFO_STANDARD);
545 p += 6;
546 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
547 param_len = PTR_DIFF(p, param);
548
549 do {
550 ret = (cli_send_trans(cli, SMBtrans2,
551 NULL, /* Name */
552 -1, 0, /* fid, flags */
553 &setup, 1, 0, /* setup, length, max */
554 param, param_len, 10, /* param, length, max */
555 NULL, data_len, cli->max_xmit /* data, length, max */
556 ) &&
557 cli_receive_trans(cli, SMBtrans2,
558 &rparam, &rparam_len,
559 &rdata, &rdata_len));
560 if (!cli_is_dos_error(cli)) break;
561 if (!ret) {
562 /* we need to work around a Win95 bug - sometimes
563 it gives ERRSRV/ERRerror temprarily */
564 uint8 eclass;
565 uint32 ecode;
566 cli_dos_error(cli, &eclass, &ecode);
567 if (eclass != ERRSRV || ecode != ERRerror) break;
568 smb_msleep(100);
569 }
570 } while (count-- && ret==False);
571
572 SAFE_FREE(param);
573 if (!ret || !rdata || rdata_len < 22) {
574 return False;
575 }
576
577 if (cli->win95) {
578 date_fn = cli_make_unix_date;
579 } else {
580 date_fn = cli_make_unix_date2;
581 }
582
583 if (change_time) {
584 *change_time = date_fn(cli, rdata+0);
585 }
586 if (access_time) {
587 *access_time = date_fn(cli, rdata+4);
588 }
589 if (write_time) {
590 *write_time = date_fn(cli, rdata+8);
591 }
592 if (size) {
593 *size = IVAL(rdata, 12);
594 }
595 if (mode) {
596 *mode = SVAL(rdata,l1_attrFile);
597 }
598
599 SAFE_FREE(rdata);
600 SAFE_FREE(rparam);
601 return True;
602 }
603
604 /****************************************************************************
605 Send a setpathinfo call.
606 ****************************************************************************/
607
608 bool cli_setpathinfo(struct cli_state *cli, const char *fname,
609 time_t create_time,
610 time_t access_time,
611 time_t write_time,
612 time_t change_time,
613 uint16 mode)
614 {
615 unsigned int data_len = 0;
616 unsigned int param_len = 0;
617 unsigned int rparam_len, rdata_len;
618 uint16 setup = TRANSACT2_SETPATHINFO;
619 char *param;
620 char data[40];
621 char *rparam=NULL, *rdata=NULL;
622 int count=8;
623 bool ret;
624 char *p;
625 size_t nlen = 2*(strlen(fname)+1);
626
627 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
628 if (!param) {
629 return false;
630 }
631 memset(param, '\0', 6);
632 memset(data, 0, sizeof(data));
633
634 p = param;
635
636 /* Add the information level */
637 SSVAL(p, 0, SMB_FILE_BASIC_INFORMATION);
638
639 /* Skip reserved */
640 p += 6;
641
642 /* Add the file name */
643 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
644
645 param_len = PTR_DIFF(p, param);
646
647 p = data;
648
649 /*
650 * Add the create, last access, modification, and status change times
651 */
652 put_long_date(p, create_time);
653 p += 8;
654
655 put_long_date(p, access_time);
656 p += 8;
657
658 put_long_date(p, write_time);
659 p += 8;
660
661 put_long_date(p, change_time);
662 p += 8;
663
664 /* Add attributes */
665 SIVAL(p, 0, mode);
666 p += 4;
667
668 /* Add padding */
669 SIVAL(p, 0, 0);
670 p += 4;
671
672 data_len = PTR_DIFF(p, data);
673
674 do {
675 ret = (cli_send_trans(cli, SMBtrans2,
676 NULL, /* Name */
677 -1, 0, /* fid, flags */
678 &setup, 1, 0, /* setup, length, max */
679 param, param_len, 10, /* param, length, max */
680 data, data_len, cli->max_xmit /* data, length, max */
681 ) &&
682 cli_receive_trans(cli, SMBtrans2,
683 &rparam, &rparam_len,
684 &rdata, &rdata_len));
685 if (!cli_is_dos_error(cli)) break;
686 if (!ret) {
687 /* we need to work around a Win95 bug - sometimes
688 it gives ERRSRV/ERRerror temprarily */
689 uint8 eclass;
690 uint32 ecode;
691 cli_dos_error(cli, &eclass, &ecode);
692 if (eclass != ERRSRV || ecode != ERRerror) break;
693 smb_msleep(100);
694 }
695 } while (count-- && ret==False);
696
697 SAFE_FREE(param);
698 if (!ret) {
699 return False;
700 }
701
702 SAFE_FREE(rdata);
703 SAFE_FREE(rparam);
704 return True;
705 }
706
707 /****************************************************************************
708 Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
709 ****************************************************************************/
710
711 bool cli_qpathinfo2(struct cli_state *cli, const char *fname,
712 struct timespec *create_time,
713 struct timespec *access_time,
714 struct timespec *write_time,
715 struct timespec *change_time,
716 SMB_OFF_T *size, uint16 *mode,
717 SMB_INO_T *ino)
718 {
719 unsigned int data_len = 0;
720 unsigned int param_len = 0;
721 uint16 setup = TRANSACT2_QPATHINFO;
722 char *param;
723 char *rparam=NULL, *rdata=NULL;
724 char *p;
725 size_t nlen = 2*(strlen(fname)+1);
726
727 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
728 if (!param) {
729 return false;
730 }
731 p = param;
732 memset(param, '\0', 6);
733 SSVAL(p, 0, SMB_QUERY_FILE_ALL_INFO);
734 p += 6;
735 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
736
737 param_len = PTR_DIFF(p, param);
738
739 if (!cli_send_trans(cli, SMBtrans2,
740 NULL, /* name */
741 -1, 0, /* fid, flags */
742 &setup, 1, 0, /* setup, length, max */
743 param, param_len, 10, /* param, length, max */
744 NULL, data_len, cli->max_xmit /* data, length, max */
745 )) {
746 SAFE_FREE(param);
747 return False;
748 }
749
750 SAFE_FREE(param);
751 if (!cli_receive_trans(cli, SMBtrans2,
752 &rparam, &param_len,
753 &rdata, &data_len)) {
754 return False;
755 }
756
757 if (!rdata || data_len < 22) {
758 return False;
759 }
760
761 if (create_time) {
762 *create_time = interpret_long_date(rdata+0);
763 }
764 if (access_time) {
765 *access_time = interpret_long_date(rdata+8);
766 }
767 if (write_time) {
768 *write_time = interpret_long_date(rdata+16);
769 }
770 if (change_time) {
771 *change_time = interpret_long_date(rdata+24);
772 }
773 if (mode) {
774 *mode = SVAL(rdata, 32);
775 }
776 if (size) {
777 *size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
778 }
779 if (ino) {
780 *ino = IVAL(rdata, 64);
781 }
782
783 SAFE_FREE(rdata);
784 SAFE_FREE(rparam);
785 return True;
786 }
787
788 /****************************************************************************
789 Get the stream info
790 ****************************************************************************/
791
792 bool cli_qpathinfo_streams(struct cli_state *cli, const char *fname,
793 TALLOC_CTX *mem_ctx,
794 unsigned int *pnum_streams,
795 struct stream_struct **pstreams)
796 {
797 unsigned int data_len = 0;
798 unsigned int param_len = 0;
799 uint16 setup = TRANSACT2_QPATHINFO;
800 char *param;
801 char *rparam=NULL, *rdata=NULL;
802 char *p;
803 unsigned int num_streams;
804 struct stream_struct *streams;
805 unsigned int ofs;
806 size_t namelen = 2*(strlen(fname)+1);
807
808 param = SMB_MALLOC_ARRAY(char, 6+namelen+2);
809 if (param == NULL) {
810 return false;
811 }
812 p = param;
813 memset(p, 0, 6);
814 SSVAL(p, 0, SMB_FILE_STREAM_INFORMATION);
815 p += 6;
816 p += clistr_push(cli, p, fname, namelen, STR_TERMINATE);
817
818 param_len = PTR_DIFF(p, param);
819
820 if (!cli_send_trans(cli, SMBtrans2,
821 NULL, /* name */
822 -1, 0, /* fid, flags */
823 &setup, 1, 0, /* setup, len, max */
824 param, param_len, 10, /* param, len, max */
825 NULL, data_len, cli->max_xmit /* data, len, max */
826 )) {
827 return false;
828 }
829
830 if (!cli_receive_trans(cli, SMBtrans2,
831 &rparam, &param_len,
832 &rdata, &data_len)) {
833 return false;
834 }
835
836 if (!rdata) {
837 SAFE_FREE(rparam);
838 return false;
839 }
840
841 num_streams = 0;
842 streams = NULL;
843 ofs = 0;
844
845 while ((data_len > ofs) && (data_len - ofs >= 24)) {
846 uint32_t nlen, len;
847 size_t size;
848 void *vstr;
849 struct stream_struct *tmp;
850 uint8_t *tmp_buf;
851
852 tmp = TALLOC_REALLOC_ARRAY(mem_ctx, streams,
853 struct stream_struct,
854 num_streams+1);
855
856 if (tmp == NULL) {
857 goto fail;
858 }
859 streams = tmp;
860
861 nlen = IVAL(rdata, ofs + 0x04);
862
863 streams[num_streams].size = IVAL_TO_SMB_OFF_T(
864 rdata, ofs + 0x08);
865 streams[num_streams].alloc_size = IVAL_TO_SMB_OFF_T(
866 rdata, ofs + 0x10);
867
868 if (nlen > data_len - (ofs + 24)) {
869 goto fail;
870 }
871
872 /*
873 * We need to null-terminate src, how do I do this with
874 * convert_string_talloc??
875 */
876
877 tmp_buf = TALLOC_ARRAY(streams, uint8_t, nlen+2);
878 if (tmp_buf == NULL) {
879 goto fail;
880 }
881
882 memcpy(tmp_buf, rdata+ofs+24, nlen);
883 tmp_buf[nlen] = 0;
884 tmp_buf[nlen+1] = 0;
885
886 if (!convert_string_talloc(streams, CH_UTF16, CH_UNIX, tmp_buf,
887 nlen+2, &vstr, &size, false))
888 {
889 TALLOC_FREE(tmp_buf);
890 goto fail;
891 }
892
893 TALLOC_FREE(tmp_buf);
894 streams[num_streams].name = (char *)vstr;
895 num_streams++;
896
897 len = IVAL(rdata, ofs);
898 if (len > data_len - ofs) {
899 goto fail;
900 }
901 if (len == 0) break;
902 ofs += len;
903 }
904
905 SAFE_FREE(rdata);
906 SAFE_FREE(rparam);
907
908 *pnum_streams = num_streams;
909 *pstreams = streams;
910 return true;
911
912 fail:
913 TALLOC_FREE(streams);
914 SAFE_FREE(rdata);
915 SAFE_FREE(rparam);
916 return false;
917 }
918
919 /****************************************************************************
920 Send a qfileinfo QUERY_FILE_NAME_INFO call.
921 ****************************************************************************/
922
923 bool cli_qfilename(struct cli_state *cli, uint16_t fnum, char *name, size_t namelen)
924 {
925 unsigned int data_len = 0;
926 unsigned int param_len = 0;
927 uint16 setup = TRANSACT2_QFILEINFO;
928 char param[4];
929 char *rparam=NULL, *rdata=NULL;
930
931 param_len = 4;
932 SSVAL(param, 0, fnum);
933 SSVAL(param, 2, SMB_QUERY_FILE_NAME_INFO);
934
935 if (!cli_send_trans(cli, SMBtrans2,
936 NULL, /* name */
937 -1, 0, /* fid, flags */
938 &setup, 1, 0, /* setup, length, max */
939 param, param_len, 2, /* param, length, max */
940 NULL, data_len, cli->max_xmit /* data, length, max */
941 )) {
942 return False;
943 }
944
945 if (!cli_receive_trans(cli, SMBtrans2,
946 &rparam, &param_len,
947 &rdata, &data_len)) {
948 return False;
949 }
950
951 if (!rdata || data_len < 4) {
952 SAFE_FREE(rparam);
953 SAFE_FREE(rdata);
954 return False;
955 }
956
957 clistr_pull(cli->inbuf, name, rdata+4, namelen, IVAL(rdata, 0),
958 STR_UNICODE);
959
960 SAFE_FREE(rparam);
961 SAFE_FREE(rdata);
962
963 return True;
964 }
965
966 /****************************************************************************
967 Send a qfileinfo call.
968 ****************************************************************************/
969
970 bool cli_qfileinfo(struct cli_state *cli, uint16_t fnum,
971 uint16 *mode, SMB_OFF_T *size,
972 struct timespec *create_time,
973 struct timespec *access_time,
974 struct timespec *write_time,
975 struct timespec *change_time,
976 SMB_INO_T *ino)
977 {
978 uint32_t data_len = 0;
979 uint16 setup;
980 uint8_t param[4];
981 uint8_t *rdata=NULL;
982 NTSTATUS status;
983
984 /* if its a win95 server then fail this - win95 totally screws it
985 up */
986 if (cli->win95) return False;
987
988 SSVAL(param, 0, fnum);
989 SSVAL(param, 2, SMB_QUERY_FILE_ALL_INFO);
990
991 SSVAL(&setup, 0, TRANSACT2_QFILEINFO);
992
993 status = cli_trans(talloc_tos(), cli, SMBtrans2,
994 NULL, -1, 0, 0, /* name, fid, function, flags */
995 &setup, 1, 0, /* setup, length, max */
996 param, 4, 2, /* param, length, max */
997 NULL, 0, MIN(cli->max_xmit, 0xffff), /* data, length, max */
998 NULL, 0, NULL, /* rsetup, length */
999 NULL, 0, NULL, /* rparam, length */
1000 &rdata, 68, &data_len);
1001
1002 if (!NT_STATUS_IS_OK(status)) {
1003 return false;
1004 }
1005
1006 if (create_time) {
1007 *create_time = interpret_long_date((char *)rdata+0);
1008 }
1009 if (access_time) {
1010 *access_time = interpret_long_date((char *)rdata+8);
1011 }
1012 if (write_time) {
1013 *write_time = interpret_long_date((char *)rdata+16);
1014 }
1015 if (change_time) {
1016 *change_time = interpret_long_date((char *)rdata+24);
1017 }
1018 if (mode) {
1019 *mode = SVAL(rdata, 32);
1020 }
1021 if (size) {
1022 *size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
1023 }
1024 if (ino) {
1025 *ino = IVAL(rdata, 64);
1026 }
1027
1028 TALLOC_FREE(rdata);
1029 return True;
1030 }
1031
1032 /****************************************************************************
1033 Send a qpathinfo BASIC_INFO call.
1034 ****************************************************************************/
1035
1036 bool cli_qpathinfo_basic( struct cli_state *cli, const char *name,
1037 SMB_STRUCT_STAT *sbuf, uint32 *attributes )
1038 {
1039 unsigned int param_len = 0;
1040 unsigned int data_len = 0;
1041 uint16 setup = TRANSACT2_QPATHINFO;
1042 char *param;
1043 char *rparam=NULL, *rdata=NULL;
1044 char *p;
1045 char *path;
1046 int len;
1047 size_t nlen;
1048 TALLOC_CTX *frame = talloc_stackframe();
1049
1050 path = talloc_strdup(frame, name);
1051 if (!path) {
1052 TALLOC_FREE(frame);
1053 return false;
1054 }
1055 /* cleanup */
1056
1057 len = strlen(path);
1058 if ( path[len-1] == '\\' || path[len-1] == '/') {
1059 path[len-1] = '\0';
1060 }
1061 nlen = 2*(strlen(path)+1);
1062
1063 param = TALLOC_ARRAY(frame,char,6+nlen+2);
1064 if (!param) {
1065 return false;
1066 }
1067 p = param;
1068 memset(param, '\0', 6);
1069
1070 SSVAL(p, 0, SMB_QUERY_FILE_BASIC_INFO);
1071 p += 6;
1072 p += clistr_push(cli, p, path, nlen, STR_TERMINATE);
1073 param_len = PTR_DIFF(p, param);
1074
1075
1076 if (!cli_send_trans(cli, SMBtrans2,
1077 NULL, /* name */
1078 -1, 0, /* fid, flags */
1079 &setup, 1, 0, /* setup, length, max */
1080 param, param_len, 2, /* param, length, max */
1081 NULL, 0, cli->max_xmit /* data, length, max */
1082 )) {
1083 TALLOC_FREE(frame);
1084 return False;
1085 }
1086
1087 TALLOC_FREE(frame);
1088
1089 if (!cli_receive_trans(cli, SMBtrans2,
1090 &rparam, &param_len,
1091 &rdata, &data_len)) {
1092 return False;
1093 }
1094
1095 if (data_len < 36) {
1096 SAFE_FREE(rdata);
1097 SAFE_FREE(rparam);
1098 return False;
1099 }
1100
1101 sbuf->st_ex_atime = interpret_long_date( rdata+8 ); /* Access time. */
1102 sbuf->st_ex_mtime = interpret_long_date( rdata+16 ); /* Write time. */
1103 sbuf->st_ex_ctime = interpret_long_date( rdata+24 ); /* Change time. */
1104
1105 *attributes = IVAL( rdata, 32 );
1106
1107 SAFE_FREE(rparam);
1108 SAFE_FREE(rdata);
1109
1110 return True;
1111 }
1112
1113 /****************************************************************************
1114 Send a qfileinfo call.
1115 ****************************************************************************/
1116
1117 bool cli_qfileinfo_test(struct cli_state *cli, uint16_t fnum, int level, char **poutdata, uint32 *poutlen)
1118 {
1119 unsigned int data_len = 0;
1120 unsigned int param_len = 0;
1121 uint16 setup = TRANSACT2_QFILEINFO;
1122 char param[4];
1123 char *rparam=NULL, *rdata=NULL;
1124
1125 *poutdata = NULL;
1126 *poutlen = 0;
1127
1128 /* if its a win95 server then fail this - win95 totally screws it
1129 up */
1130 if (cli->win95)
1131 return False;
1132
1133 param_len = 4;
1134
1135 SSVAL(param, 0, fnum);
1136 SSVAL(param, 2, level);
1137
1138 if (!cli_send_trans(cli, SMBtrans2,
1139 NULL, /* name */
1140 -1, 0, /* fid, flags */
1141 &setup, 1, 0, /* setup, length, max */
1142 param, param_len, 2, /* param, length, max */
1143 NULL, data_len, cli->max_xmit /* data, length, max */
1144 )) {
1145 return False;
1146 }
1147
1148 if (!cli_receive_trans(cli, SMBtrans2,
1149 &rparam, &param_len,
1150 &rdata, &data_len)) {
1151 return False;
1152 }
1153
1154 *poutdata = (char *)memdup(rdata, data_len);
1155 if (!*poutdata) {
1156 SAFE_FREE(rdata);
1157 SAFE_FREE(rparam);
1158 return False;
1159 }
1160
1161 *poutlen = data_len;
1162
1163 SAFE_FREE(rdata);
1164 SAFE_FREE(rparam);
1165 return True;
1166 }
1167
1168 /****************************************************************************
1169 Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
1170 ****************************************************************************/
1171
1172 NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
1173 {
1174 unsigned int data_len = 0;
1175 unsigned int param_len = 0;
1176 uint16 setup = TRANSACT2_QPATHINFO;
1177 char *param;
1178 char *rparam=NULL, *rdata=NULL;
1179 int count=8;
1180 char *p;
1181 bool ret;
1182 unsigned int len;
1183 size_t nlen = 2*(strlen(fname)+1);
1184
1185 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
1186 if (!param) {
1187 return NT_STATUS_NO_MEMORY;
1188 }
1189 p = param;
1190 memset(param, '\0', 6);
1191 SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
1192 p += 6;
1193 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
1194 param_len = PTR_DIFF(p, param);
1195
1196 do {
1197 ret = (cli_send_trans(cli, SMBtrans2,
1198 NULL, /* Name */
1199 -1, 0, /* fid, flags */
1200 &setup, 1, 0, /* setup, length, max */
1201 param, param_len, 10, /* param, length, max */
1202 NULL, data_len, cli->max_xmit /* data, length, max */
1203 ) &&
1204 cli_receive_trans(cli, SMBtrans2,
1205 &rparam, &param_len,
1206 &rdata, &data_len));
1207 if (!ret && cli_is_dos_error(cli)) {
1208 /* we need to work around a Win95 bug - sometimes
1209 it gives ERRSRV/ERRerror temprarily */
1210 uint8 eclass;
1211 uint32 ecode;
1212 cli_dos_error(cli, &eclass, &ecode);
1213 if (eclass != ERRSRV || ecode != ERRerror) break;
1214 smb_msleep(100);
1215 }
1216 } while (count-- && ret==False);
1217
1218 SAFE_FREE(param);
1219
1220 if (!ret || !rdata || data_len < 4) {
1221 return NT_STATUS_UNSUCCESSFUL;
1222 }
1223
1224 len = IVAL(rdata, 0);
1225
1226 if (len > data_len - 4) {
1227 return NT_STATUS_INVALID_NETWORK_RESPONSE;
1228 }
1229
1230 clistr_pull(cli->inbuf, alt_name, rdata+4, sizeof(fstring), len,
1231 STR_UNICODE);
1232
1233 SAFE_FREE(rdata);
1234 SAFE_FREE(rparam);
1235
1236 return NT_STATUS_OK;
1237 }
fernandojvsilva's samba4 branch