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Fix off-by-one error in working out the limit of the NetServerEnum comment.
[Samba/gbeck.git] / source3 / libsmb / clirap.c
blob990b8063ca9cd30ce7eb366c6a1f48092928ab0a
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
252 if (func == RAP_NetServerEnum3) {
253 strlcpy(p,"WrLehDzz", sizeof(param)-PTR_DIFF(p,param));
254 } else {
255 strlcpy(p,"WrLehDz", sizeof(param)-PTR_DIFF(p,param));
256 }
257
258 p = skip_string(param, sizeof(param), p);
259 strlcpy(p,"B16BBDz", sizeof(param)-PTR_DIFF(p,param));
260
261 p = skip_string(param, sizeof(param), p);
262 SSVAL(p,0,uLevel);
263 SSVAL(p,2,CLI_BUFFER_SIZE);
264 p += 4;
265 SIVAL(p,0,stype);
266 p += 4;
267
268 /* If we have more data, tell the server where
269 * to continue from.
270 */
271 len = push_ascii(p,
272 workgroup,
273 sizeof(param) - PTR_DIFF(p,param) - 1,
274 STR_TERMINATE|STR_UPPER);
275
276 if (len == (size_t)-1) {
277 SAFE_FREE(last_entry);
278 return false;
279 }
280 p += len;
281
282 if (func == RAP_NetServerEnum3) {
283 len = push_ascii(p,
284 last_entry ? last_entry : "",
285 sizeof(param) - PTR_DIFF(p,param) - 1,
286 STR_TERMINATE);
287
288 if (len == (size_t)-1) {
289 SAFE_FREE(last_entry);
290 return false;
291 }
292 p += len;
293 }
294
295 /* Next time through we need to use the continue api */
296 func = RAP_NetServerEnum3;
297
298 if (!cli_api(cli,
299 param, PTR_DIFF(p,param), 8, /* params, length, max */
300 NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
301 &rparam, &rprcnt, /* return params, return size */
302 &rdata, &rdrcnt)) { /* return data, return size */
303
304 /* break out of the loop on error */
305 res = -1;
306 break;
307 }
308
309 rdata_end = rdata + rdrcnt;
310 res = rparam ? SVAL(rparam,0) : -1;
311
312 if (res == 0 || res == ERRmoredata ||
313 (res != -1 && cli_errno(cli) == 0)) {
314 char *sname = NULL;
315 int i, count;
316 int converter=SVAL(rparam,2);
317
318 /* Get the number of items returned in this buffer */
319 count = SVAL(rparam, 4);
320
321 /* The next field contains the number of items left,
322 * including those returned in this buffer. So the
323 * first time through this should contain all of the
324 * entries.
325 */
326 if (total_cnt == 0) {
327 total_cnt = SVAL(rparam, 6);
328 }
329
330 /* Keep track of how many we have read */
331 return_cnt += count;
332 p = rdata;
333
334 /* The last name in the previous NetServerEnum reply is
335 * sent back to server in the NetServerEnum3 request
336 * (last_entry). The next reply should repeat this entry
337 * as the first element. We have no proof that this is
338 * always true, but from traces that seems to be the
339 * behavior from Window Servers. So first lets do a lot
340 * of checking, just being paranoid. If the string
341 * matches then we already saw this entry so skip it.
342 *
343 * NOTE: sv1_name field must be null terminated and has
344 * a max size of 16 (NetBIOS Name).
345 */
346 if (last_entry && count && p &&
347 (strncmp(last_entry, p, 16) == 0)) {
348 count -= 1; /* Skip this entry */
349 return_cnt = -1; /* Not part of total, so don't count. */
350 p = rdata + 26; /* Skip the whole record */
351 }
352
353 for (i = 0; i < count; i++, p += 26) {
354 int comment_offset;
355 const char *cmnt;
356 const char *p1;
357 char *s1, *s2;
358 TALLOC_CTX *frame = talloc_stackframe();
359 uint32_t entry_stype;
360
361 if (p + 26 > rdata_end) {
362 TALLOC_FREE(frame);
363 break;
364 }
365
366 sname = p;
367 comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
368 cmnt = comment_offset?(rdata+comment_offset):"";
369
370 if (comment_offset < 0 || comment_offset >= (int)rdrcnt) {
371 TALLOC_FREE(frame);
372 continue;
373 }
374
375 /* Work out the comment length. */
376 for (p1 = cmnt, len = 0; *p1 &&
377 p1 < rdata_end; len++)
378 p1++;
379 if (!*p1) {
380 len++;
381 }
382
383 entry_stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
384
385 pull_string_talloc(frame,rdata,0,
386 &s1,sname,16,STR_ASCII);
387 pull_string_talloc(frame,rdata,0,
388 &s2,cmnt,len,STR_ASCII);
389
390 if (!s1 || !s2) {
391 TALLOC_FREE(frame);
392 continue;
393 }
394
395 fn(s1, entry_stype, s2, state);
396 TALLOC_FREE(frame);
397 }
398
399 /* We are done with the old last entry, so now we can free it */
400 if (last_entry) {
401 SAFE_FREE(last_entry); /* This will set it to null */
402 }
403
404 /* We always make a copy of the last entry if we have one */
405 if (sname) {
406 last_entry = smb_xstrdup(sname);
407 }
408
409 /* If we have more data, but no last entry then error out */
410 if (!last_entry && (res == ERRmoredata)) {
411 errno = EINVAL;
412 res = 0;
413 }
414
415 }
416
417 SAFE_FREE(rparam);
418 SAFE_FREE(rdata);
419 } while ((res == ERRmoredata) && (total_cnt > return_cnt));
420
421 SAFE_FREE(rparam);
422 SAFE_FREE(rdata);
423 SAFE_FREE(last_entry);
424
425 if (res == -1) {
426 errno = cli_errno(cli);
427 } else {
428 if (!return_cnt) {
429 /* this is a very special case, when the domain master for the
430 work group isn't part of the work group itself, there is something
431 wild going on */
432 errno = ENOENT;
433 }
434 }
435
436 return(return_cnt > 0);
437 }
438
439 /****************************************************************************
440 Send a SamOEMChangePassword command.
441 ****************************************************************************/
442
443 bool cli_oem_change_password(struct cli_state *cli, const char *user, const char *new_password,
444 const char *old_password)
445 {
446 char param[1024];
447 unsigned char data[532];
448 char *p = param;
449 unsigned char old_pw_hash[16];
450 unsigned char new_pw_hash[16];
451 unsigned int data_len;
452 unsigned int param_len = 0;
453 char *rparam = NULL;
454 char *rdata = NULL;
455 unsigned int rprcnt, rdrcnt;
456
457 if (strlen(user) >= sizeof(fstring)-1) {
458 DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
459 return False;
460 }
461
462 SSVAL(p,0,214); /* SamOEMChangePassword command. */
463 p += 2;
464 strlcpy(p, "zsT", sizeof(param)-PTR_DIFF(p,param));
465 p = skip_string(param,sizeof(param),p);
466 strlcpy(p, "B516B16", sizeof(param)-PTR_DIFF(p,param));
467 p = skip_string(param,sizeof(param),p);
468 strlcpy(p,user, sizeof(param)-PTR_DIFF(p,param));
469 p = skip_string(param,sizeof(param),p);
470 SSVAL(p,0,532);
471 p += 2;
472
473 param_len = PTR_DIFF(p,param);
474
475 /*
476 * Get the Lanman hash of the old password, we
477 * use this as the key to make_oem_passwd_hash().
478 */
479 E_deshash(old_password, old_pw_hash);
480
481 encode_pw_buffer(data, new_password, STR_ASCII);
482
483 #ifdef DEBUG_PASSWORD
484 DEBUG(100,("make_oem_passwd_hash\n"));
485 dump_data(100, data, 516);
486 #endif
487 arcfour_crypt( (unsigned char *)data, (unsigned char *)old_pw_hash, 516);
488
489 /*
490 * Now place the old password hash in the data.
491 */
492 E_deshash(new_password, new_pw_hash);
493
494 E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
495
496 data_len = 532;
497
498 if (cli_send_trans(cli,SMBtrans,
499 PIPE_LANMAN, /* name */
500 0,0, /* fid, flags */
501 NULL,0,0, /* setup, length, max */
502 param,param_len,2, /* param, length, max */
503 (char *)data,data_len,0 /* data, length, max */
504 ) == False) {
505 DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
506 user ));
507 return False;
508 }
509
510 if (!cli_receive_trans(cli,SMBtrans,
511 &rparam, &rprcnt,
512 &rdata, &rdrcnt)) {
513 DEBUG(0,("cli_oem_change_password: Failed to recieve reply to password change for user %s\n",
514 user ));
515 return False;
516 }
517
518 if (rparam) {
519 cli->rap_error = SVAL(rparam,0);
520 }
521
522 SAFE_FREE(rparam);
523 SAFE_FREE(rdata);
524
525 return (cli->rap_error == 0);
526 }
527
528 /****************************************************************************
529 Send a qpathinfo call.
530 ****************************************************************************/
531
532 bool cli_qpathinfo(struct cli_state *cli,
533 const char *fname,
534 time_t *change_time,
535 time_t *access_time,
536 time_t *write_time,
537 SMB_OFF_T *size,
538 uint16 *mode)
539 {
540 unsigned int data_len = 0;
541 unsigned int param_len = 0;
542 unsigned int rparam_len, rdata_len;
543 uint16 setup = TRANSACT2_QPATHINFO;
544 char *param;
545 char *rparam=NULL, *rdata=NULL;
546 int count=8;
547 bool ret;
548 time_t (*date_fn)(struct cli_state *, const void *);
549 char *p;
550 size_t nlen = 2*(strlen(fname)+1);
551
552 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
553 if (!param) {
554 return false;
555 }
556 p = param;
557 memset(p, '\0', 6);
558 SSVAL(p, 0, SMB_INFO_STANDARD);
559 p += 6;
560 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
561 param_len = PTR_DIFF(p, param);
562
563 do {
564 ret = (cli_send_trans(cli, SMBtrans2,
565 NULL, /* Name */
566 -1, 0, /* fid, flags */
567 &setup, 1, 0, /* setup, length, max */
568 param, param_len, 10, /* param, length, max */
569 NULL, data_len, cli->max_xmit /* data, length, max */
570 ) &&
571 cli_receive_trans(cli, SMBtrans2,
572 &rparam, &rparam_len,
573 &rdata, &rdata_len));
574 if (!cli_is_dos_error(cli)) break;
575 if (!ret) {
576 /* we need to work around a Win95 bug - sometimes
577 it gives ERRSRV/ERRerror temprarily */
578 uint8 eclass;
579 uint32 ecode;
580 cli_dos_error(cli, &eclass, &ecode);
581 if (eclass != ERRSRV || ecode != ERRerror) break;
582 smb_msleep(100);
583 }
584 } while (count-- && ret==False);
585
586 SAFE_FREE(param);
587 if (!ret || !rdata || rdata_len < 22) {
588 return False;
589 }
590
591 if (cli->win95) {
592 date_fn = cli_make_unix_date;
593 } else {
594 date_fn = cli_make_unix_date2;
595 }
596
597 if (change_time) {
598 *change_time = date_fn(cli, rdata+0);
599 }
600 if (access_time) {
601 *access_time = date_fn(cli, rdata+4);
602 }
603 if (write_time) {
604 *write_time = date_fn(cli, rdata+8);
605 }
606 if (size) {
607 *size = IVAL(rdata, 12);
608 }
609 if (mode) {
610 *mode = SVAL(rdata,l1_attrFile);
611 }
612
613 SAFE_FREE(rdata);
614 SAFE_FREE(rparam);
615 return True;
616 }
617
618 /****************************************************************************
619 Send a setpathinfo call.
620 ****************************************************************************/
621
622 bool cli_setpathinfo(struct cli_state *cli, const char *fname,
623 time_t create_time,
624 time_t access_time,
625 time_t write_time,
626 time_t change_time,
627 uint16 mode)
628 {
629 unsigned int data_len = 0;
630 unsigned int param_len = 0;
631 unsigned int rparam_len, rdata_len;
632 uint16 setup = TRANSACT2_SETPATHINFO;
633 char *param;
634 char data[40];
635 char *rparam=NULL, *rdata=NULL;
636 int count=8;
637 bool ret;
638 char *p;
639 size_t nlen = 2*(strlen(fname)+1);
640
641 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
642 if (!param) {
643 return false;
644 }
645 memset(param, '\0', 6);
646 memset(data, 0, sizeof(data));
647
648 p = param;
649
650 /* Add the information level */
651 SSVAL(p, 0, SMB_FILE_BASIC_INFORMATION);
652
653 /* Skip reserved */
654 p += 6;
655
656 /* Add the file name */
657 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
658
659 param_len = PTR_DIFF(p, param);
660
661 p = data;
662
663 /*
664 * Add the create, last access, modification, and status change times
665 */
666 put_long_date(p, create_time);
667 p += 8;
668
669 put_long_date(p, access_time);
670 p += 8;
671
672 put_long_date(p, write_time);
673 p += 8;
674
675 put_long_date(p, change_time);
676 p += 8;
677
678 /* Add attributes */
679 SIVAL(p, 0, mode);
680 p += 4;
681
682 /* Add padding */
683 SIVAL(p, 0, 0);
684 p += 4;
685
686 data_len = PTR_DIFF(p, data);
687
688 do {
689 ret = (cli_send_trans(cli, SMBtrans2,
690 NULL, /* Name */
691 -1, 0, /* fid, flags */
692 &setup, 1, 0, /* setup, length, max */
693 param, param_len, 10, /* param, length, max */
694 data, data_len, cli->max_xmit /* data, length, max */
695 ) &&
696 cli_receive_trans(cli, SMBtrans2,
697 &rparam, &rparam_len,
698 &rdata, &rdata_len));
699 if (!cli_is_dos_error(cli)) break;
700 if (!ret) {
701 /* we need to work around a Win95 bug - sometimes
702 it gives ERRSRV/ERRerror temprarily */
703 uint8 eclass;
704 uint32 ecode;
705 cli_dos_error(cli, &eclass, &ecode);
706 if (eclass != ERRSRV || ecode != ERRerror) break;
707 smb_msleep(100);
708 }
709 } while (count-- && ret==False);
710
711 SAFE_FREE(param);
712 if (!ret) {
713 return False;
714 }
715
716 SAFE_FREE(rdata);
717 SAFE_FREE(rparam);
718 return True;
719 }
720
721 /****************************************************************************
722 Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
723 ****************************************************************************/
724
725 bool cli_qpathinfo2(struct cli_state *cli, const char *fname,
726 struct timespec *create_time,
727 struct timespec *access_time,
728 struct timespec *write_time,
729 struct timespec *change_time,
730 SMB_OFF_T *size, uint16 *mode,
731 SMB_INO_T *ino)
732 {
733 unsigned int data_len = 0;
734 unsigned int param_len = 0;
735 uint16 setup = TRANSACT2_QPATHINFO;
736 char *param;
737 char *rparam=NULL, *rdata=NULL;
738 char *p;
739 size_t nlen = 2*(strlen(fname)+1);
740
741 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
742 if (!param) {
743 return false;
744 }
745 p = param;
746 memset(param, '\0', 6);
747 SSVAL(p, 0, SMB_QUERY_FILE_ALL_INFO);
748 p += 6;
749 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
750
751 param_len = PTR_DIFF(p, param);
752
753 if (!cli_send_trans(cli, SMBtrans2,
754 NULL, /* name */
755 -1, 0, /* fid, flags */
756 &setup, 1, 0, /* setup, length, max */
757 param, param_len, 10, /* param, length, max */
758 NULL, data_len, cli->max_xmit /* data, length, max */
759 )) {
760 SAFE_FREE(param);
761 return False;
762 }
763
764 SAFE_FREE(param);
765 if (!cli_receive_trans(cli, SMBtrans2,
766 &rparam, &param_len,
767 &rdata, &data_len)) {
768 return False;
769 }
770
771 if (!rdata || data_len < 22) {
772 return False;
773 }
774
775 if (create_time) {
776 *create_time = interpret_long_date(rdata+0);
777 }
778 if (access_time) {
779 *access_time = interpret_long_date(rdata+8);
780 }
781 if (write_time) {
782 *write_time = interpret_long_date(rdata+16);
783 }
784 if (change_time) {
785 *change_time = interpret_long_date(rdata+24);
786 }
787 if (mode) {
788 *mode = SVAL(rdata, 32);
789 }
790 if (size) {
791 *size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
792 }
793 if (ino) {
794 *ino = IVAL(rdata, 64);
795 }
796
797 SAFE_FREE(rdata);
798 SAFE_FREE(rparam);
799 return True;
800 }
801
802 /****************************************************************************
803 Get the stream info
804 ****************************************************************************/
805
806 bool cli_qpathinfo_streams(struct cli_state *cli, const char *fname,
807 TALLOC_CTX *mem_ctx,
808 unsigned int *pnum_streams,
809 struct stream_struct **pstreams)
810 {
811 unsigned int data_len = 0;
812 unsigned int param_len = 0;
813 uint16 setup = TRANSACT2_QPATHINFO;
814 char *param;
815 char *rparam=NULL, *rdata=NULL;
816 char *p;
817 unsigned int num_streams;
818 struct stream_struct *streams;
819 unsigned int ofs;
820 size_t namelen = 2*(strlen(fname)+1);
821
822 param = SMB_MALLOC_ARRAY(char, 6+namelen+2);
823 if (param == NULL) {
824 return false;
825 }
826 p = param;
827 memset(p, 0, 6);
828 SSVAL(p, 0, SMB_FILE_STREAM_INFORMATION);
829 p += 6;
830 p += clistr_push(cli, p, fname, namelen, STR_TERMINATE);
831
832 param_len = PTR_DIFF(p, param);
833
834 if (!cli_send_trans(cli, SMBtrans2,
835 NULL, /* name */
836 -1, 0, /* fid, flags */
837 &setup, 1, 0, /* setup, len, max */
838 param, param_len, 10, /* param, len, max */
839 NULL, data_len, cli->max_xmit /* data, len, max */
840 )) {
841 return false;
842 }
843
844 if (!cli_receive_trans(cli, SMBtrans2,
845 &rparam, &param_len,
846 &rdata, &data_len)) {
847 return false;
848 }
849
850 if (!rdata) {
851 SAFE_FREE(rparam);
852 return false;
853 }
854
855 num_streams = 0;
856 streams = NULL;
857 ofs = 0;
858
859 while ((data_len > ofs) && (data_len - ofs >= 24)) {
860 uint32_t nlen, len;
861 size_t size;
862 void *vstr;
863 struct stream_struct *tmp;
864 uint8_t *tmp_buf;
865
866 tmp = TALLOC_REALLOC_ARRAY(mem_ctx, streams,
867 struct stream_struct,
868 num_streams+1);
869
870 if (tmp == NULL) {
871 goto fail;
872 }
873 streams = tmp;
874
875 nlen = IVAL(rdata, ofs + 0x04);
876
877 streams[num_streams].size = IVAL_TO_SMB_OFF_T(
878 rdata, ofs + 0x08);
879 streams[num_streams].alloc_size = IVAL_TO_SMB_OFF_T(
880 rdata, ofs + 0x10);
881
882 if (nlen > data_len - (ofs + 24)) {
883 goto fail;
884 }
885
886 /*
887 * We need to null-terminate src, how do I do this with
888 * convert_string_talloc??
889 */
890
891 tmp_buf = TALLOC_ARRAY(streams, uint8_t, nlen+2);
892 if (tmp_buf == NULL) {
893 goto fail;
894 }
895
896 memcpy(tmp_buf, rdata+ofs+24, nlen);
897 tmp_buf[nlen] = 0;
898 tmp_buf[nlen+1] = 0;
899
900 if (!convert_string_talloc(streams, CH_UTF16, CH_UNIX, tmp_buf,
901 nlen+2, &vstr, &size, false))
902 {
903 TALLOC_FREE(tmp_buf);
904 goto fail;
905 }
906
907 TALLOC_FREE(tmp_buf);
908 streams[num_streams].name = (char *)vstr;
909 num_streams++;
910
911 len = IVAL(rdata, ofs);
912 if (len > data_len - ofs) {
913 goto fail;
914 }
915 if (len == 0) break;
916 ofs += len;
917 }
918
919 SAFE_FREE(rdata);
920 SAFE_FREE(rparam);
921
922 *pnum_streams = num_streams;
923 *pstreams = streams;
924 return true;
925
926 fail:
927 TALLOC_FREE(streams);
928 SAFE_FREE(rdata);
929 SAFE_FREE(rparam);
930 return false;
931 }
932
933 /****************************************************************************
934 Send a qfileinfo QUERY_FILE_NAME_INFO call.
935 ****************************************************************************/
936
937 bool cli_qfilename(struct cli_state *cli, uint16_t fnum, char *name, size_t namelen)
938 {
939 unsigned int data_len = 0;
940 unsigned int param_len = 0;
941 uint16 setup = TRANSACT2_QFILEINFO;
942 char param[4];
943 char *rparam=NULL, *rdata=NULL;
944
945 param_len = 4;
946 SSVAL(param, 0, fnum);
947 SSVAL(param, 2, SMB_QUERY_FILE_NAME_INFO);
948
949 if (!cli_send_trans(cli, SMBtrans2,
950 NULL, /* name */
951 -1, 0, /* fid, flags */
952 &setup, 1, 0, /* setup, length, max */
953 param, param_len, 2, /* param, length, max */
954 NULL, data_len, cli->max_xmit /* data, length, max */
955 )) {
956 return False;
957 }
958
959 if (!cli_receive_trans(cli, SMBtrans2,
960 &rparam, &param_len,
961 &rdata, &data_len)) {
962 return False;
963 }
964
965 if (!rdata || data_len < 4) {
966 SAFE_FREE(rparam);
967 SAFE_FREE(rdata);
968 return False;
969 }
970
971 clistr_pull(cli->inbuf, name, rdata+4, namelen, IVAL(rdata, 0),
972 STR_UNICODE);
973
974 SAFE_FREE(rparam);
975 SAFE_FREE(rdata);
976
977 return True;
978 }
979
980 /****************************************************************************
981 Send a qfileinfo call.
982 ****************************************************************************/
983
984 bool cli_qfileinfo(struct cli_state *cli, uint16_t fnum,
985 uint16 *mode, SMB_OFF_T *size,
986 struct timespec *create_time,
987 struct timespec *access_time,
988 struct timespec *write_time,
989 struct timespec *change_time,
990 SMB_INO_T *ino)
991 {
992 uint32_t data_len = 0;
993 uint16 setup;
994 uint8_t param[4];
995 uint8_t *rdata=NULL;
996 NTSTATUS status;
997
998 /* if its a win95 server then fail this - win95 totally screws it
999 up */
1000 if (cli->win95) return False;
1001
1002 SSVAL(param, 0, fnum);
1003 SSVAL(param, 2, SMB_QUERY_FILE_ALL_INFO);
1004
1005 SSVAL(&setup, 0, TRANSACT2_QFILEINFO);
1006
1007 status = cli_trans(talloc_tos(), cli, SMBtrans2,
1008 NULL, -1, 0, 0, /* name, fid, function, flags */
1009 &setup, 1, 0, /* setup, length, max */
1010 param, 4, 2, /* param, length, max */
1011 NULL, 0, MIN(cli->max_xmit, 0xffff), /* data, length, max */
1012 NULL, 0, NULL, /* rsetup, length */
1013 NULL, 0, NULL, /* rparam, length */
1014 &rdata, 68, &data_len);
1015
1016 if (!NT_STATUS_IS_OK(status)) {
1017 return false;
1018 }
1019
1020 if (create_time) {
1021 *create_time = interpret_long_date((char *)rdata+0);
1022 }
1023 if (access_time) {
1024 *access_time = interpret_long_date((char *)rdata+8);
1025 }
1026 if (write_time) {
1027 *write_time = interpret_long_date((char *)rdata+16);
1028 }
1029 if (change_time) {
1030 *change_time = interpret_long_date((char *)rdata+24);
1031 }
1032 if (mode) {
1033 *mode = SVAL(rdata, 32);
1034 }
1035 if (size) {
1036 *size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
1037 }
1038 if (ino) {
1039 *ino = IVAL(rdata, 64);
1040 }
1041
1042 TALLOC_FREE(rdata);
1043 return True;
1044 }
1045
1046 /****************************************************************************
1047 Send a qpathinfo BASIC_INFO call.
1048 ****************************************************************************/
1049
1050 bool cli_qpathinfo_basic( struct cli_state *cli, const char *name,
1051 SMB_STRUCT_STAT *sbuf, uint32 *attributes )
1052 {
1053 unsigned int param_len = 0;
1054 unsigned int data_len = 0;
1055 uint16 setup = TRANSACT2_QPATHINFO;
1056 char *param;
1057 char *rparam=NULL, *rdata=NULL;
1058 char *p;
1059 char *path;
1060 int len;
1061 size_t nlen;
1062 TALLOC_CTX *frame = talloc_stackframe();
1063
1064 path = talloc_strdup(frame, name);
1065 if (!path) {
1066 TALLOC_FREE(frame);
1067 return false;
1068 }
1069 /* cleanup */
1070
1071 len = strlen(path);
1072 if ( path[len-1] == '\\' || path[len-1] == '/') {
1073 path[len-1] = '\0';
1074 }
1075 nlen = 2*(strlen(path)+1);
1076
1077 param = TALLOC_ARRAY(frame,char,6+nlen+2);
1078 if (!param) {
1079 return false;
1080 }
1081 p = param;
1082 memset(param, '\0', 6);
1083
1084 SSVAL(p, 0, SMB_QUERY_FILE_BASIC_INFO);
1085 p += 6;
1086 p += clistr_push(cli, p, path, nlen, STR_TERMINATE);
1087 param_len = PTR_DIFF(p, param);
1088
1089
1090 if (!cli_send_trans(cli, SMBtrans2,
1091 NULL, /* name */
1092 -1, 0, /* fid, flags */
1093 &setup, 1, 0, /* setup, length, max */
1094 param, param_len, 2, /* param, length, max */
1095 NULL, 0, cli->max_xmit /* data, length, max */
1096 )) {
1097 TALLOC_FREE(frame);
1098 return False;
1099 }
1100
1101 TALLOC_FREE(frame);
1102
1103 if (!cli_receive_trans(cli, SMBtrans2,
1104 &rparam, &param_len,
1105 &rdata, &data_len)) {
1106 return False;
1107 }
1108
1109 if (data_len < 36) {
1110 SAFE_FREE(rdata);
1111 SAFE_FREE(rparam);
1112 return False;
1113 }
1114
1115 sbuf->st_ex_atime = interpret_long_date( rdata+8 ); /* Access time. */
1116 sbuf->st_ex_mtime = interpret_long_date( rdata+16 ); /* Write time. */
1117 sbuf->st_ex_ctime = interpret_long_date( rdata+24 ); /* Change time. */
1118
1119 *attributes = IVAL( rdata, 32 );
1120
1121 SAFE_FREE(rparam);
1122 SAFE_FREE(rdata);
1123
1124 return True;
1125 }
1126
1127 /****************************************************************************
1128 Send a qfileinfo call.
1129 ****************************************************************************/
1130
1131 bool cli_qfileinfo_test(struct cli_state *cli, uint16_t fnum, int level, char **poutdata, uint32 *poutlen)
1132 {
1133 unsigned int data_len = 0;
1134 unsigned int param_len = 0;
1135 uint16 setup = TRANSACT2_QFILEINFO;
1136 char param[4];
1137 char *rparam=NULL, *rdata=NULL;
1138
1139 *poutdata = NULL;
1140 *poutlen = 0;
1141
1142 /* if its a win95 server then fail this - win95 totally screws it
1143 up */
1144 if (cli->win95)
1145 return False;
1146
1147 param_len = 4;
1148
1149 SSVAL(param, 0, fnum);
1150 SSVAL(param, 2, level);
1151
1152 if (!cli_send_trans(cli, SMBtrans2,
1153 NULL, /* name */
1154 -1, 0, /* fid, flags */
1155 &setup, 1, 0, /* setup, length, max */
1156 param, param_len, 2, /* param, length, max */
1157 NULL, data_len, cli->max_xmit /* data, length, max */
1158 )) {
1159 return False;
1160 }
1161
1162 if (!cli_receive_trans(cli, SMBtrans2,
1163 &rparam, &param_len,
1164 &rdata, &data_len)) {
1165 return False;
1166 }
1167
1168 *poutdata = (char *)memdup(rdata, data_len);
1169 if (!*poutdata) {
1170 SAFE_FREE(rdata);
1171 SAFE_FREE(rparam);
1172 return False;
1173 }
1174
1175 *poutlen = data_len;
1176
1177 SAFE_FREE(rdata);
1178 SAFE_FREE(rparam);
1179 return True;
1180 }
1181
1182 /****************************************************************************
1183 Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
1184 ****************************************************************************/
1185
1186 NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
1187 {
1188 unsigned int data_len = 0;
1189 unsigned int param_len = 0;
1190 uint16 setup = TRANSACT2_QPATHINFO;
1191 char *param;
1192 char *rparam=NULL, *rdata=NULL;
1193 int count=8;
1194 char *p;
1195 bool ret;
1196 unsigned int len;
1197 size_t nlen = 2*(strlen(fname)+1);
1198
1199 param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
1200 if (!param) {
1201 return NT_STATUS_NO_MEMORY;
1202 }
1203 p = param;
1204 memset(param, '\0', 6);
1205 SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
1206 p += 6;
1207 p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
1208 param_len = PTR_DIFF(p, param);
1209
1210 do {
1211 ret = (cli_send_trans(cli, SMBtrans2,
1212 NULL, /* Name */
1213 -1, 0, /* fid, flags */
1214 &setup, 1, 0, /* setup, length, max */
1215 param, param_len, 10, /* param, length, max */
1216 NULL, data_len, cli->max_xmit /* data, length, max */
1217 ) &&
1218 cli_receive_trans(cli, SMBtrans2,
1219 &rparam, &param_len,
1220 &rdata, &data_len));
1221 if (!ret && cli_is_dos_error(cli)) {
1222 /* we need to work around a Win95 bug - sometimes
1223 it gives ERRSRV/ERRerror temprarily */
1224 uint8 eclass;
1225 uint32 ecode;
1226 cli_dos_error(cli, &eclass, &ecode);
1227 if (eclass != ERRSRV || ecode != ERRerror) break;
1228 smb_msleep(100);
1229 }
1230 } while (count-- && ret==False);
1231
1232 SAFE_FREE(param);
1233
1234 if (!ret || !rdata || data_len < 4) {
1235 return NT_STATUS_UNSUCCESSFUL;
1236 }
1237
1238 len = IVAL(rdata, 0);
1239
1240 if (len > data_len - 4) {
1241 return NT_STATUS_INVALID_NETWORK_RESPONSE;
1242 }
1243
1244 clistr_pull(cli->inbuf, alt_name, rdata+4, sizeof(fstring), len,
1245 STR_UNICODE);
1246
1247 SAFE_FREE(rdata);
1248 SAFE_FREE(rparam);
1249
1250 return NT_STATUS_OK;
1251 }
WIP