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r616: Bug #1333.
[Samba/gebeck_regimport.git] / source3 / libsmb / clifile.c
blob398c7cc4f0afa5290eb938f8c80e28b58b675ab8
1 /*
2 Unix SMB/CIFS implementation.
3 client file operations
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Jeremy Allison 2001-2002
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #define NO_SYSLOG
23
24 #include "includes.h"
25
26 /****************************************************************************
27 Hard/Symlink a file (UNIX extensions).
28 Creates new name (sym)linked to oldname.
29 ****************************************************************************/
30
31 static BOOL cli_link_internal(struct cli_state *cli, const char *oldname, const char *newname, BOOL hard_link)
32 {
33 unsigned int data_len = 0;
34 unsigned int param_len = 0;
35 uint16 setup = TRANSACT2_SETPATHINFO;
36 char param[sizeof(pstring)+6];
37 pstring data;
38 char *rparam=NULL, *rdata=NULL;
39 char *p;
40 size_t oldlen = 2*(strlen(oldname)+1);
41 size_t newlen = 2*(strlen(newname)+1);
42
43 memset(param, 0, sizeof(param));
44 SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
45 p = &param[6];
46
47 p += clistr_push(cli, p, newname, MIN(newlen, sizeof(param)-6), STR_TERMINATE);
48 param_len = PTR_DIFF(p, param);
49
50 p = data;
51 p += clistr_push(cli, p, oldname, MIN(oldlen,sizeof(data)), STR_TERMINATE);
52 data_len = PTR_DIFF(p, data);
53
54 if (!cli_send_trans(cli, SMBtrans2,
55 NULL, /* name */
56 -1, 0, /* fid, flags */
57 &setup, 1, 0, /* setup, length, max */
58 param, param_len, 2, /* param, length, max */
59 (char *)&data, data_len, cli->max_xmit /* data, length, max */
60 )) {
61 return False;
62 }
63
64 if (!cli_receive_trans(cli, SMBtrans2,
65 &rparam, &param_len,
66 &rdata, &data_len)) {
67 return False;
68 }
69
70 SAFE_FREE(rdata);
71 SAFE_FREE(rparam);
72
73 return True;
74 }
75
76 /****************************************************************************
77 Map standard UNIX permissions onto wire representations.
78 ****************************************************************************/
79
80 uint32 unix_perms_to_wire(mode_t perms)
81 {
82 unsigned int ret = 0;
83
84 ret |= ((perms & S_IXOTH) ? UNIX_X_OTH : 0);
85 ret |= ((perms & S_IWOTH) ? UNIX_W_OTH : 0);
86 ret |= ((perms & S_IROTH) ? UNIX_R_OTH : 0);
87 ret |= ((perms & S_IXGRP) ? UNIX_X_GRP : 0);
88 ret |= ((perms & S_IWGRP) ? UNIX_W_GRP : 0);
89 ret |= ((perms & S_IRGRP) ? UNIX_R_GRP : 0);
90 ret |= ((perms & S_IXUSR) ? UNIX_X_USR : 0);
91 ret |= ((perms & S_IWUSR) ? UNIX_W_USR : 0);
92 ret |= ((perms & S_IRUSR) ? UNIX_R_USR : 0);
93 #ifdef S_ISVTX
94 ret |= ((perms & S_ISVTX) ? UNIX_STICKY : 0);
95 #endif
96 #ifdef S_ISGID
97 ret |= ((perms & S_ISGID) ? UNIX_SET_GID : 0);
98 #endif
99 #ifdef S_ISUID
100 ret |= ((perms & S_ISUID) ? UNIX_SET_UID : 0);
101 #endif
102 return ret;
103 }
104
105 /****************************************************************************
106 Symlink a file (UNIX extensions).
107 ****************************************************************************/
108
109 BOOL cli_unix_symlink(struct cli_state *cli, const char *oldname, const char *newname)
110 {
111 return cli_link_internal(cli, oldname, newname, False);
112 }
113
114 /****************************************************************************
115 Hard a file (UNIX extensions).
116 ****************************************************************************/
117
118 BOOL cli_unix_hardlink(struct cli_state *cli, const char *oldname, const char *newname)
119 {
120 return cli_link_internal(cli, oldname, newname, True);
121 }
122
123 /****************************************************************************
124 Chmod or chown a file internal (UNIX extensions).
125 ****************************************************************************/
126
127 static BOOL cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid)
128 {
129 unsigned int data_len = 0;
130 unsigned int param_len = 0;
131 uint16 setup = TRANSACT2_SETPATHINFO;
132 char param[sizeof(pstring)+6];
133 char data[100];
134 char *rparam=NULL, *rdata=NULL;
135 char *p;
136
137 memset(param, 0, sizeof(param));
138 memset(data, 0, sizeof(data));
139 SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC);
140 p = &param[6];
141
142 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
143 param_len = PTR_DIFF(p, param);
144
145 SIVAL(data,40,uid);
146 SIVAL(data,48,gid);
147 SIVAL(data,84,mode);
148
149 data_len = 100;
150
151 if (!cli_send_trans(cli, SMBtrans2,
152 NULL, /* name */
153 -1, 0, /* fid, flags */
154 &setup, 1, 0, /* setup, length, max */
155 param, param_len, 2, /* param, length, max */
156 (char *)&data, data_len, cli->max_xmit /* data, length, max */
157 )) {
158 return False;
159 }
160
161 if (!cli_receive_trans(cli, SMBtrans2,
162 &rparam, &param_len,
163 &rdata, &data_len)) {
164 return False;
165 }
166
167 SAFE_FREE(rdata);
168 SAFE_FREE(rparam);
169
170 return True;
171 }
172
173 /****************************************************************************
174 chmod a file (UNIX extensions).
175 ****************************************************************************/
176
177 BOOL cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
178 {
179 return cli_unix_chmod_chown_internal(cli, fname,
180 unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE);
181 }
182
183 /****************************************************************************
184 chown a file (UNIX extensions).
185 ****************************************************************************/
186
187 BOOL cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid)
188 {
189 return cli_unix_chmod_chown_internal(cli, fname, SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
190 }
191
192 /****************************************************************************
193 Rename a file.
194 ****************************************************************************/
195
196 BOOL cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
197 {
198 char *p;
199
200 memset(cli->outbuf,'\0',smb_size);
201 memset(cli->inbuf,'\0',smb_size);
202
203 set_message(cli->outbuf,1, 0, True);
204
205 SCVAL(cli->outbuf,smb_com,SMBmv);
206 SSVAL(cli->outbuf,smb_tid,cli->cnum);
207 cli_setup_packet(cli);
208
209 SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
210
211 p = smb_buf(cli->outbuf);
212 *p++ = 4;
213 p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
214 *p++ = 4;
215 p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
216
217 cli_setup_bcc(cli, p);
218
219 cli_send_smb(cli);
220 if (!cli_receive_smb(cli))
221 return False;
222
223 if (cli_is_error(cli))
224 return False;
225
226 return True;
227 }
228
229 /****************************************************************************
230 NT Rename a file.
231 ****************************************************************************/
232
233 BOOL cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
234 {
235 char *p;
236
237 memset(cli->outbuf,'\0',smb_size);
238 memset(cli->inbuf,'\0',smb_size);
239
240 set_message(cli->outbuf, 4, 0, True);
241
242 SCVAL(cli->outbuf,smb_com,SMBntrename);
243 SSVAL(cli->outbuf,smb_tid,cli->cnum);
244 cli_setup_packet(cli);
245
246 SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
247 SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_RENAME);
248
249 p = smb_buf(cli->outbuf);
250 *p++ = 4;
251 p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
252 *p++ = 4;
253 p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
254
255 cli_setup_bcc(cli, p);
256
257 cli_send_smb(cli);
258 if (!cli_receive_smb(cli))
259 return False;
260
261 if (cli_is_error(cli))
262 return False;
263
264 return True;
265 }
266
267 /****************************************************************************
268 NT hardlink a file.
269 ****************************************************************************/
270
271 BOOL cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
272 {
273 char *p;
274
275 memset(cli->outbuf,'\0',smb_size);
276 memset(cli->inbuf,'\0',smb_size);
277
278 set_message(cli->outbuf, 4, 0, True);
279
280 SCVAL(cli->outbuf,smb_com,SMBntrename);
281 SSVAL(cli->outbuf,smb_tid,cli->cnum);
282 cli_setup_packet(cli);
283
284 SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
285 SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_HARD_LINK);
286
287 p = smb_buf(cli->outbuf);
288 *p++ = 4;
289 p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
290 *p++ = 4;
291 p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
292
293 cli_setup_bcc(cli, p);
294
295 cli_send_smb(cli);
296 if (!cli_receive_smb(cli))
297 return False;
298
299 if (cli_is_error(cli))
300 return False;
301
302 return True;
303 }
304
305 /****************************************************************************
306 Delete a file.
307 ****************************************************************************/
308
309 BOOL cli_unlink(struct cli_state *cli, const char *fname)
310 {
311 char *p;
312
313 memset(cli->outbuf,'\0',smb_size);
314 memset(cli->inbuf,'\0',smb_size);
315
316 set_message(cli->outbuf,1, 0,True);
317
318 SCVAL(cli->outbuf,smb_com,SMBunlink);
319 SSVAL(cli->outbuf,smb_tid,cli->cnum);
320 cli_setup_packet(cli);
321
322 SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN);
323
324 p = smb_buf(cli->outbuf);
325 *p++ = 4;
326 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
327
328 cli_setup_bcc(cli, p);
329 cli_send_smb(cli);
330 if (!cli_receive_smb(cli)) {
331 return False;
332 }
333
334 if (cli_is_error(cli)) {
335 return False;
336 }
337
338 return True;
339 }
340
341 /****************************************************************************
342 Create a directory.
343 ****************************************************************************/
344
345 BOOL cli_mkdir(struct cli_state *cli, const char *dname)
346 {
347 char *p;
348
349 memset(cli->outbuf,'\0',smb_size);
350 memset(cli->inbuf,'\0',smb_size);
351
352 set_message(cli->outbuf,0, 0,True);
353
354 SCVAL(cli->outbuf,smb_com,SMBmkdir);
355 SSVAL(cli->outbuf,smb_tid,cli->cnum);
356 cli_setup_packet(cli);
357
358 p = smb_buf(cli->outbuf);
359 *p++ = 4;
360 p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
361
362 cli_setup_bcc(cli, p);
363
364 cli_send_smb(cli);
365 if (!cli_receive_smb(cli)) {
366 return False;
367 }
368
369 if (cli_is_error(cli)) {
370 return False;
371 }
372
373 return True;
374 }
375
376 /****************************************************************************
377 Remove a directory.
378 ****************************************************************************/
379
380 BOOL cli_rmdir(struct cli_state *cli, const char *dname)
381 {
382 char *p;
383
384 memset(cli->outbuf,'\0',smb_size);
385 memset(cli->inbuf,'\0',smb_size);
386
387 set_message(cli->outbuf,0, 0, True);
388
389 SCVAL(cli->outbuf,smb_com,SMBrmdir);
390 SSVAL(cli->outbuf,smb_tid,cli->cnum);
391 cli_setup_packet(cli);
392
393 p = smb_buf(cli->outbuf);
394 *p++ = 4;
395 p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
396
397 cli_setup_bcc(cli, p);
398
399 cli_send_smb(cli);
400 if (!cli_receive_smb(cli)) {
401 return False;
402 }
403
404 if (cli_is_error(cli)) {
405 return False;
406 }
407
408 return True;
409 }
410
411 /****************************************************************************
412 Set or clear the delete on close flag.
413 ****************************************************************************/
414
415 int cli_nt_delete_on_close(struct cli_state *cli, int fnum, BOOL flag)
416 {
417 unsigned int data_len = 1;
418 unsigned int param_len = 6;
419 uint16 setup = TRANSACT2_SETFILEINFO;
420 pstring param;
421 unsigned char data;
422 char *rparam=NULL, *rdata=NULL;
423
424 memset(param, 0, param_len);
425 SSVAL(param,0,fnum);
426 SSVAL(param,2,SMB_SET_FILE_DISPOSITION_INFO);
427
428 data = flag ? 1 : 0;
429
430 if (!cli_send_trans(cli, SMBtrans2,
431 NULL, /* name */
432 -1, 0, /* fid, flags */
433 &setup, 1, 0, /* setup, length, max */
434 param, param_len, 2, /* param, length, max */
435 (char *)&data, data_len, cli->max_xmit /* data, length, max */
436 )) {
437 return False;
438 }
439
440 if (!cli_receive_trans(cli, SMBtrans2,
441 &rparam, &param_len,
442 &rdata, &data_len)) {
443 return False;
444 }
445
446 SAFE_FREE(rdata);
447 SAFE_FREE(rparam);
448
449 return True;
450 }
451
452 /****************************************************************************
453 Open a file - exposing the full horror of the NT API :-).
454 Used in smbtorture.
455 ****************************************************************************/
456
457 int cli_nt_create_full(struct cli_state *cli, const char *fname,
458 uint32 CreatFlags, uint32 DesiredAccess,
459 uint32 FileAttributes, uint32 ShareAccess,
460 uint32 CreateDisposition, uint32 CreateOptions,
461 uint8 SecuityFlags)
462 {
463 char *p;
464 int len;
465
466 memset(cli->outbuf,'\0',smb_size);
467 memset(cli->inbuf,'\0',smb_size);
468
469 set_message(cli->outbuf,24,0,True);
470
471 SCVAL(cli->outbuf,smb_com,SMBntcreateX);
472 SSVAL(cli->outbuf,smb_tid,cli->cnum);
473 cli_setup_packet(cli);
474
475 SSVAL(cli->outbuf,smb_vwv0,0xFF);
476 if (cli->use_oplocks)
477 CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
478
479 SIVAL(cli->outbuf,smb_ntcreate_Flags, CreatFlags);
480 SIVAL(cli->outbuf,smb_ntcreate_RootDirectoryFid, 0x0);
481 SIVAL(cli->outbuf,smb_ntcreate_DesiredAccess, DesiredAccess);
482 SIVAL(cli->outbuf,smb_ntcreate_FileAttributes, FileAttributes);
483 SIVAL(cli->outbuf,smb_ntcreate_ShareAccess, ShareAccess);
484 SIVAL(cli->outbuf,smb_ntcreate_CreateDisposition, CreateDisposition);
485 SIVAL(cli->outbuf,smb_ntcreate_CreateOptions, CreateOptions);
486 SIVAL(cli->outbuf,smb_ntcreate_ImpersonationLevel, 0x02);
487 SCVAL(cli->outbuf,smb_ntcreate_SecurityFlags, SecuityFlags);
488
489 p = smb_buf(cli->outbuf);
490 /* this alignment and termination is critical for netapp filers. Don't change */
491 p += clistr_align_out(cli, p, 0);
492 len = clistr_push(cli, p, fname, -1, 0);
493 p += len;
494 SSVAL(cli->outbuf,smb_ntcreate_NameLength, len);
495 /* sigh. this copes with broken netapp filer behaviour */
496 p += clistr_push(cli, p, "", -1, STR_TERMINATE);
497
498 cli_setup_bcc(cli, p);
499
500 cli_send_smb(cli);
501 if (!cli_receive_smb(cli)) {
502 return -1;
503 }
504
505 if (cli_is_error(cli)) {
506 return -1;
507 }
508
509 return SVAL(cli->inbuf,smb_vwv2 + 1);
510 }
511
512 /****************************************************************************
513 Open a file.
514 ****************************************************************************/
515
516 int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess)
517 {
518 return cli_nt_create_full(cli, fname, 0, DesiredAccess, 0,
519 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_EXISTS_OPEN, 0x0, 0x0);
520 }
521
522 /****************************************************************************
523 Open a file
524 WARNING: if you open with O_WRONLY then getattrE won't work!
525 ****************************************************************************/
526
527 int cli_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
528 {
529 char *p;
530 unsigned openfn=0;
531 unsigned accessmode=0;
532
533 if (flags & O_CREAT)
534 openfn |= (1<<4);
535 if (!(flags & O_EXCL)) {
536 if (flags & O_TRUNC)
537 openfn |= (1<<1);
538 else
539 openfn |= (1<<0);
540 }
541
542 accessmode = (share_mode<<4);
543
544 if ((flags & O_ACCMODE) == O_RDWR) {
545 accessmode |= 2;
546 } else if ((flags & O_ACCMODE) == O_WRONLY) {
547 accessmode |= 1;
548 }
549
550 #if defined(O_SYNC)
551 if ((flags & O_SYNC) == O_SYNC) {
552 accessmode |= (1<<14);
553 }
554 #endif /* O_SYNC */
555
556 if (share_mode == DENY_FCB) {
557 accessmode = 0xFF;
558 }
559
560 memset(cli->outbuf,'\0',smb_size);
561 memset(cli->inbuf,'\0',smb_size);
562
563 set_message(cli->outbuf,15,0,True);
564
565 SCVAL(cli->outbuf,smb_com,SMBopenX);
566 SSVAL(cli->outbuf,smb_tid,cli->cnum);
567 cli_setup_packet(cli);
568
569 SSVAL(cli->outbuf,smb_vwv0,0xFF);
570 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
571 SSVAL(cli->outbuf,smb_vwv3,accessmode);
572 SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
573 SSVAL(cli->outbuf,smb_vwv5,0);
574 SSVAL(cli->outbuf,smb_vwv8,openfn);
575
576 if (cli->use_oplocks) {
577 /* if using oplocks then ask for a batch oplock via
578 core and extended methods */
579 SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
580 FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
581 SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
582 }
583
584 p = smb_buf(cli->outbuf);
585 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
586
587 cli_setup_bcc(cli, p);
588
589 cli_send_smb(cli);
590 if (!cli_receive_smb(cli)) {
591 return -1;
592 }
593
594 if (cli_is_error(cli)) {
595 return -1;
596 }
597
598 return SVAL(cli->inbuf,smb_vwv2);
599 }
600
601 /****************************************************************************
602 Close a file.
603 ****************************************************************************/
604
605 BOOL cli_close(struct cli_state *cli, int fnum)
606 {
607 memset(cli->outbuf,'\0',smb_size);
608 memset(cli->inbuf,'\0',smb_size);
609
610 set_message(cli->outbuf,3,0,True);
611
612 SCVAL(cli->outbuf,smb_com,SMBclose);
613 SSVAL(cli->outbuf,smb_tid,cli->cnum);
614 cli_setup_packet(cli);
615
616 SSVAL(cli->outbuf,smb_vwv0,fnum);
617 SIVALS(cli->outbuf,smb_vwv1,-1);
618
619 cli_send_smb(cli);
620 if (!cli_receive_smb(cli)) {
621 return False;
622 }
623
624 return !cli_is_error(cli);
625 }
626
627
628 /****************************************************************************
629 send a lock with a specified locktype
630 this is used for testing LOCKING_ANDX_CANCEL_LOCK
631 ****************************************************************************/
632 NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
633 uint32 offset, uint32 len, int timeout, unsigned char locktype)
634 {
635 char *p;
636 int saved_timeout = cli->timeout;
637
638 memset(cli->outbuf,'\0',smb_size);
639 memset(cli->inbuf,'\0', smb_size);
640
641 set_message(cli->outbuf,8,0,True);
642
643 SCVAL(cli->outbuf,smb_com,SMBlockingX);
644 SSVAL(cli->outbuf,smb_tid,cli->cnum);
645 cli_setup_packet(cli);
646
647 SCVAL(cli->outbuf,smb_vwv0,0xFF);
648 SSVAL(cli->outbuf,smb_vwv2,fnum);
649 SCVAL(cli->outbuf,smb_vwv3,locktype);
650 SIVALS(cli->outbuf, smb_vwv4, timeout);
651 SSVAL(cli->outbuf,smb_vwv6,0);
652 SSVAL(cli->outbuf,smb_vwv7,1);
653
654 p = smb_buf(cli->outbuf);
655 SSVAL(p, 0, cli->pid);
656 SIVAL(p, 2, offset);
657 SIVAL(p, 6, len);
658
659 p += 10;
660
661 cli_setup_bcc(cli, p);
662
663 cli_send_smb(cli);
664
665 if (timeout != 0) {
666 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
667 }
668
669 if (!cli_receive_smb(cli)) {
670 cli->timeout = saved_timeout;
671 return NT_STATUS_UNSUCCESSFUL;
672 }
673
674 cli->timeout = saved_timeout;
675
676 return cli_nt_error(cli);
677 }
678
679
680 /****************************************************************************
681 Lock a file.
682 note that timeout is in units of 2 milliseconds
683 ****************************************************************************/
684 BOOL cli_lock(struct cli_state *cli, int fnum,
685 uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
686 {
687 char *p;
688 int saved_timeout = cli->timeout;
689
690 memset(cli->outbuf,'\0',smb_size);
691 memset(cli->inbuf,'\0', smb_size);
692
693 set_message(cli->outbuf,8,0,True);
694
695 SCVAL(cli->outbuf,smb_com,SMBlockingX);
696 SSVAL(cli->outbuf,smb_tid,cli->cnum);
697 cli_setup_packet(cli);
698
699 SCVAL(cli->outbuf,smb_vwv0,0xFF);
700 SSVAL(cli->outbuf,smb_vwv2,fnum);
701 SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
702 SIVALS(cli->outbuf, smb_vwv4, timeout);
703 SSVAL(cli->outbuf,smb_vwv6,0);
704 SSVAL(cli->outbuf,smb_vwv7,1);
705
706 p = smb_buf(cli->outbuf);
707 SSVAL(p, 0, cli->pid);
708 SIVAL(p, 2, offset);
709 SIVAL(p, 6, len);
710
711 p += 10;
712
713 cli_setup_bcc(cli, p);
714
715 cli_send_smb(cli);
716
717 if (timeout != 0) {
718 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
719 }
720
721 if (!cli_receive_smb(cli)) {
722 cli->timeout = saved_timeout;
723 return False;
724 }
725
726 cli->timeout = saved_timeout;
727
728 if (cli_is_error(cli)) {
729 return False;
730 }
731
732 return True;
733 }
734
735 /****************************************************************************
736 Unlock a file.
737 ****************************************************************************/
738
739 BOOL cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len)
740 {
741 char *p;
742
743 memset(cli->outbuf,'\0',smb_size);
744 memset(cli->inbuf,'\0',smb_size);
745
746 set_message(cli->outbuf,8,0,True);
747
748 SCVAL(cli->outbuf,smb_com,SMBlockingX);
749 SSVAL(cli->outbuf,smb_tid,cli->cnum);
750 cli_setup_packet(cli);
751
752 SCVAL(cli->outbuf,smb_vwv0,0xFF);
753 SSVAL(cli->outbuf,smb_vwv2,fnum);
754 SCVAL(cli->outbuf,smb_vwv3,0);
755 SIVALS(cli->outbuf, smb_vwv4, 0);
756 SSVAL(cli->outbuf,smb_vwv6,1);
757 SSVAL(cli->outbuf,smb_vwv7,0);
758
759 p = smb_buf(cli->outbuf);
760 SSVAL(p, 0, cli->pid);
761 SIVAL(p, 2, offset);
762 SIVAL(p, 6, len);
763 p += 10;
764 cli_setup_bcc(cli, p);
765 cli_send_smb(cli);
766 if (!cli_receive_smb(cli)) {
767 return False;
768 }
769
770 if (cli_is_error(cli)) {
771 return False;
772 }
773
774 return True;
775 }
776
777 /****************************************************************************
778 Lock a file with 64 bit offsets.
779 ****************************************************************************/
780
781 BOOL cli_lock64(struct cli_state *cli, int fnum,
782 SMB_BIG_UINT offset, SMB_BIG_UINT len, int timeout, enum brl_type lock_type)
783 {
784 char *p;
785 int saved_timeout = cli->timeout;
786 int ltype;
787
788 if (! (cli->capabilities & CAP_LARGE_FILES)) {
789 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
790 }
791
792 ltype = (lock_type == READ_LOCK? 1 : 0);
793 ltype |= LOCKING_ANDX_LARGE_FILES;
794
795 memset(cli->outbuf,'\0',smb_size);
796 memset(cli->inbuf,'\0', smb_size);
797
798 set_message(cli->outbuf,8,0,True);
799
800 SCVAL(cli->outbuf,smb_com,SMBlockingX);
801 SSVAL(cli->outbuf,smb_tid,cli->cnum);
802 cli_setup_packet(cli);
803
804 SCVAL(cli->outbuf,smb_vwv0,0xFF);
805 SSVAL(cli->outbuf,smb_vwv2,fnum);
806 SCVAL(cli->outbuf,smb_vwv3,ltype);
807 SIVALS(cli->outbuf, smb_vwv4, timeout);
808 SSVAL(cli->outbuf,smb_vwv6,0);
809 SSVAL(cli->outbuf,smb_vwv7,1);
810
811 p = smb_buf(cli->outbuf);
812 SIVAL(p, 0, cli->pid);
813 SOFF_T_R(p, 4, offset);
814 SOFF_T_R(p, 12, len);
815 p += 20;
816
817 cli_setup_bcc(cli, p);
818 cli_send_smb(cli);
819
820 if (timeout != 0) {
821 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
822 }
823
824 if (!cli_receive_smb(cli)) {
825 cli->timeout = saved_timeout;
826 return False;
827 }
828
829 cli->timeout = saved_timeout;
830
831 if (cli_is_error(cli)) {
832 return False;
833 }
834
835 return True;
836 }
837
838 /****************************************************************************
839 Unlock a file with 64 bit offsets.
840 ****************************************************************************/
841
842 BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
843 {
844 char *p;
845
846 if (! (cli->capabilities & CAP_LARGE_FILES)) {
847 return cli_unlock(cli, fnum, offset, len);
848 }
849
850 memset(cli->outbuf,'\0',smb_size);
851 memset(cli->inbuf,'\0',smb_size);
852
853 set_message(cli->outbuf,8,0,True);
854
855 SCVAL(cli->outbuf,smb_com,SMBlockingX);
856 SSVAL(cli->outbuf,smb_tid,cli->cnum);
857 cli_setup_packet(cli);
858
859 SCVAL(cli->outbuf,smb_vwv0,0xFF);
860 SSVAL(cli->outbuf,smb_vwv2,fnum);
861 SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
862 SIVALS(cli->outbuf, smb_vwv4, 0);
863 SSVAL(cli->outbuf,smb_vwv6,1);
864 SSVAL(cli->outbuf,smb_vwv7,0);
865
866 p = smb_buf(cli->outbuf);
867 SIVAL(p, 0, cli->pid);
868 SOFF_T_R(p, 4, offset);
869 SOFF_T_R(p, 12, len);
870 p += 20;
871 cli_setup_bcc(cli, p);
872 cli_send_smb(cli);
873 if (!cli_receive_smb(cli)) {
874 return False;
875 }
876
877 if (cli_is_error(cli)) {
878 return False;
879 }
880
881 return True;
882 }
883
884
885 /****************************************************************************
886 Do a SMBgetattrE call.
887 ****************************************************************************/
888
889 BOOL cli_getattrE(struct cli_state *cli, int fd,
890 uint16 *attr, SMB_BIG_UINT *size,
891 time_t *c_time, time_t *a_time, time_t *m_time)
892 {
893 memset(cli->outbuf,'\0',smb_size);
894 memset(cli->inbuf,'\0',smb_size);
895
896 set_message(cli->outbuf,1,0,True);
897
898 SCVAL(cli->outbuf,smb_com,SMBgetattrE);
899 SSVAL(cli->outbuf,smb_tid,cli->cnum);
900 cli_setup_packet(cli);
901
902 SSVAL(cli->outbuf,smb_vwv0,fd);
903
904 cli_send_smb(cli);
905 if (!cli_receive_smb(cli)) {
906 return False;
907 }
908
909 if (cli_is_error(cli)) {
910 return False;
911 }
912
913 if (size) {
914 *size = IVAL(cli->inbuf, smb_vwv6);
915 }
916
917 if (attr) {
918 *attr = SVAL(cli->inbuf,smb_vwv10);
919 }
920
921 if (c_time) {
922 *c_time = make_unix_date3(cli->inbuf+smb_vwv0);
923 }
924
925 if (a_time) {
926 *a_time = make_unix_date3(cli->inbuf+smb_vwv2);
927 }
928
929 if (m_time) {
930 *m_time = make_unix_date3(cli->inbuf+smb_vwv4);
931 }
932
933 return True;
934 }
935
936 /****************************************************************************
937 Do a SMBgetatr call
938 ****************************************************************************/
939
940 BOOL cli_getatr(struct cli_state *cli, const char *fname,
941 uint16 *attr, size_t *size, time_t *t)
942 {
943 char *p;
944
945 memset(cli->outbuf,'\0',smb_size);
946 memset(cli->inbuf,'\0',smb_size);
947
948 set_message(cli->outbuf,0,0,True);
949
950 SCVAL(cli->outbuf,smb_com,SMBgetatr);
951 SSVAL(cli->outbuf,smb_tid,cli->cnum);
952 cli_setup_packet(cli);
953
954 p = smb_buf(cli->outbuf);
955 *p++ = 4;
956 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
957
958 cli_setup_bcc(cli, p);
959
960 cli_send_smb(cli);
961 if (!cli_receive_smb(cli)) {
962 return False;
963 }
964
965 if (cli_is_error(cli)) {
966 return False;
967 }
968
969 if (size) {
970 *size = IVAL(cli->inbuf, smb_vwv3);
971 }
972
973 if (t) {
974 *t = make_unix_date3(cli->inbuf+smb_vwv1);
975 }
976
977 if (attr) {
978 *attr = SVAL(cli->inbuf,smb_vwv0);
979 }
980
981
982 return True;
983 }
984
985 /****************************************************************************
986 Do a SMBsetatr call.
987 ****************************************************************************/
988
989 BOOL cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t)
990 {
991 char *p;
992
993 memset(cli->outbuf,'\0',smb_size);
994 memset(cli->inbuf,'\0',smb_size);
995
996 set_message(cli->outbuf,8,0,True);
997
998 SCVAL(cli->outbuf,smb_com,SMBsetatr);
999 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1000 cli_setup_packet(cli);
1001
1002 SSVAL(cli->outbuf,smb_vwv0, attr);
1003 put_dos_date3(cli->outbuf,smb_vwv1, t);
1004
1005 p = smb_buf(cli->outbuf);
1006 *p++ = 4;
1007 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
1008 *p++ = 4;
1009
1010 cli_setup_bcc(cli, p);
1011
1012 cli_send_smb(cli);
1013 if (!cli_receive_smb(cli)) {
1014 return False;
1015 }
1016
1017 if (cli_is_error(cli)) {
1018 return False;
1019 }
1020
1021 return True;
1022 }
1023
1024 /****************************************************************************
1025 Check for existance of a dir.
1026 ****************************************************************************/
1027 BOOL cli_chkpath(struct cli_state *cli, const char *path)
1028 {
1029 pstring path2;
1030 char *p;
1031
1032 pstrcpy(path2,path);
1033 trim_char(path2,'\0','\\');
1034 if (!*path2)
1035 *path2 = '\\';
1036
1037 memset(cli->outbuf,'\0',smb_size);
1038 set_message(cli->outbuf,0,0,True);
1039 SCVAL(cli->outbuf,smb_com,SMBchkpth);
1040 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1041 cli_setup_packet(cli);
1042 p = smb_buf(cli->outbuf);
1043 *p++ = 4;
1044 p += clistr_push(cli, p, path2, -1, STR_TERMINATE);
1045
1046 cli_setup_bcc(cli, p);
1047
1048 cli_send_smb(cli);
1049 if (!cli_receive_smb(cli)) {
1050 return False;
1051 }
1052
1053 if (cli_is_error(cli)) return False;
1054
1055 return True;
1056 }
1057
1058 /****************************************************************************
1059 Query disk space.
1060 ****************************************************************************/
1061
1062 BOOL cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
1063 {
1064 memset(cli->outbuf,'\0',smb_size);
1065 set_message(cli->outbuf,0,0,True);
1066 SCVAL(cli->outbuf,smb_com,SMBdskattr);
1067 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1068 cli_setup_packet(cli);
1069
1070 cli_send_smb(cli);
1071 if (!cli_receive_smb(cli)) {
1072 return False;
1073 }
1074
1075 *bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2);
1076 *total = SVAL(cli->inbuf,smb_vwv0);
1077 *avail = SVAL(cli->inbuf,smb_vwv3);
1078
1079 return True;
1080 }
1081
1082 /****************************************************************************
1083 Create and open a temporary file.
1084 ****************************************************************************/
1085
1086 int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path)
1087 {
1088 int len;
1089 char *p;
1090
1091 memset(cli->outbuf,'\0',smb_size);
1092 memset(cli->inbuf,'\0',smb_size);
1093
1094 set_message(cli->outbuf,3,0,True);
1095
1096 SCVAL(cli->outbuf,smb_com,SMBctemp);
1097 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1098 cli_setup_packet(cli);
1099
1100 SSVAL(cli->outbuf,smb_vwv0,0);
1101 SIVALS(cli->outbuf,smb_vwv1,-1);
1102
1103 p = smb_buf(cli->outbuf);
1104 *p++ = 4;
1105 p += clistr_push(cli, p, path, -1, STR_TERMINATE);
1106
1107 cli_setup_bcc(cli, p);
1108
1109 cli_send_smb(cli);
1110 if (!cli_receive_smb(cli)) {
1111 return -1;
1112 }
1113
1114 if (cli_is_error(cli)) {
1115 return -1;
1116 }
1117
1118 /* despite the spec, the result has a -1, followed by
1119 length, followed by name */
1120 p = smb_buf(cli->inbuf);
1121 p += 4;
1122 len = smb_buflen(cli->inbuf) - 4;
1123 if (len <= 0) return -1;
1124
1125 if (tmp_path) {
1126 pstring path2;
1127 clistr_pull(cli, path2, p,
1128 sizeof(path2), len, STR_ASCII);
1129 *tmp_path = strdup(path2);
1130 }
1131
1132 return SVAL(cli->inbuf,smb_vwv0);
1133 }
1134
1135
1136 /*
1137 send a raw ioctl - used by the torture code
1138 */
1139 NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *blob)
1140 {
1141 memset(cli->outbuf,'\0',smb_size);
1142 memset(cli->inbuf,'\0',smb_size);
1143
1144 set_message(cli->outbuf, 3, 0, True);
1145 SCVAL(cli->outbuf,smb_com,SMBioctl);
1146 cli_setup_packet(cli);
1147
1148 SSVAL(cli->outbuf, smb_vwv0, fnum);
1149 SSVAL(cli->outbuf, smb_vwv1, code>>16);
1150 SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF));
1151
1152 cli_send_smb(cli);
1153 if (!cli_receive_smb(cli)) {
1154 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1155 }
1156
1157 if (cli_is_error(cli)) {
1158 return cli_nt_error(cli);
1159 }
1160
1161 *blob = data_blob(NULL, 0);
1162
1163 return NT_STATUS_OK;
1164 }
1165
1166 /*********************************************************
1167 Set an extended attribute utility fn.
1168 *********************************************************/
1169
1170 static BOOL cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len,
1171 const char *ea_name, const char *ea_val, size_t ea_len)
1172 {
1173 unsigned int data_len = 0;
1174 char *data = NULL;
1175 char *rparam=NULL, *rdata=NULL;
1176 char *p;
1177 size_t ea_namelen = strlen(ea_name);
1178
1179 data_len = 4 + 4 + ea_namelen + 1 + ea_len;
1180 data = malloc(data_len);
1181 if (!data) {
1182 return False;
1183 }
1184 p = data;
1185 SIVAL(p,0,data_len);
1186 p += 4;
1187 SCVAL(p, 0, 0); /* EA flags. */
1188 SCVAL(p, 1, ea_namelen);
1189 SSVAL(p, 2, ea_len);
1190 memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
1191 memcpy(p+4+ea_namelen+1, ea_val, ea_len);
1192
1193 if (!cli_send_trans(cli, SMBtrans2,
1194 NULL, /* name */
1195 -1, 0, /* fid, flags */
1196 &setup, 1, 0, /* setup, length, max */
1197 param, param_len, 2, /* param, length, max */
1198 data, data_len, cli->max_xmit /* data, length, max */
1199 )) {
1200 return False;
1201 }
1202
1203 if (!cli_receive_trans(cli, SMBtrans2,
1204 &rparam, &param_len,
1205 &rdata, &data_len)) {
1206 return False;
1207 }
1208
1209 SAFE_FREE(data);
1210 SAFE_FREE(rdata);
1211 SAFE_FREE(rparam);
1212
1213 return True;
1214 }
1215
1216 /*********************************************************
1217 Set an extended attribute on a pathname.
1218 *********************************************************/
1219
1220 BOOL cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
1221 {
1222 uint16 setup = TRANSACT2_SETPATHINFO;
1223 unsigned int param_len = 0;
1224 char param[sizeof(pstring)+6];
1225 size_t srclen = 2*(strlen(path)+1);
1226 char *p;
1227
1228 memset(param, 0, sizeof(param));
1229 SSVAL(param,0,SMB_INFO_SET_EA);
1230 p = &param[6];
1231
1232 p += clistr_push(cli, p, path, MIN(srclen, sizeof(param)-6), STR_TERMINATE);
1233 param_len = PTR_DIFF(p, param);
1234
1235 return cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
1236 }
1237
1238 /*********************************************************
1239 Set an extended attribute on an fnum.
1240 *********************************************************/
1241
1242 BOOL cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
1243 {
1244 char param[6];
1245 uint16 setup = TRANSACT2_SETFILEINFO;
1246
1247 memset(param, 0, 6);
1248 SSVAL(param,0,fnum);
1249 SSVAL(param,2,SMB_INFO_SET_EA);
1250
1251 return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
1252 }
1253
1254 /*********************************************************
1255 Get an extended attribute list tility fn.
1256 *********************************************************/
1257
1258 static BOOL cli_get_ea_list(struct cli_state *cli,
1259 uint16 setup, char *param, unsigned int param_len,
1260 TALLOC_CTX *ctx,
1261 size_t *pnum_eas,
1262 struct ea_struct **pea_list)
1263 {
1264 unsigned int data_len = 0;
1265 unsigned int rparam_len, rdata_len;
1266 char *rparam=NULL, *rdata=NULL;
1267 char *p;
1268 size_t ea_size;
1269 size_t num_eas;
1270 BOOL ret = False;
1271 struct ea_struct *ea_list;
1272
1273 *pnum_eas = 0;
1274 *pea_list = NULL;
1275
1276 if (!cli_send_trans(cli, SMBtrans2,
1277 NULL, /* Name */
1278 -1, 0, /* fid, flags */
1279 &setup, 1, 0, /* setup, length, max */
1280 param, param_len, 10, /* param, length, max */
1281 NULL, data_len, cli->max_xmit /* data, length, max */
1282 )) {
1283 return False;
1284 }
1285
1286 if (!cli_receive_trans(cli, SMBtrans2,
1287 &rparam, &rparam_len,
1288 &rdata, &rdata_len)) {
1289 return False;
1290 }
1291
1292 if (!rdata || rdata_len < 4) {
1293 goto out;
1294 }
1295
1296 ea_size = (size_t)IVAL(rdata,0);
1297 if (ea_size > rdata_len) {
1298 goto out;
1299 }
1300
1301 if (ea_size == 0) {
1302 /* No EA's present. */
1303 ret = True;
1304 goto out;
1305 }
1306
1307 p = rdata + 4;
1308 ea_size -= 4;
1309
1310 /* Validate the EA list and count it. */
1311 for (num_eas = 0; ea_size >= 4; num_eas++) {
1312 unsigned int ea_namelen = CVAL(p,1);
1313 unsigned int ea_valuelen = SVAL(p,2);
1314 if (ea_namelen == 0) {
1315 goto out;
1316 }
1317 if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
1318 goto out;
1319 }
1320 ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
1321 p += 4 + ea_namelen + 1 + ea_valuelen;
1322 }
1323
1324 if (num_eas == 0) {
1325 ret = True;
1326 goto out;
1327 }
1328
1329 *pnum_eas = num_eas;
1330 if (!pea_list) {
1331 /* Caller only wants number of EA's. */
1332 ret = True;
1333 goto out;
1334 }
1335
1336 ea_list = (struct ea_struct *)talloc(ctx, num_eas*sizeof(struct ea_struct));
1337 if (!ea_list) {
1338 goto out;
1339 }
1340
1341 ea_size = (size_t)IVAL(rdata,0);
1342 p = rdata + 4;
1343
1344 for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
1345 struct ea_struct *ea = &ea_list[num_eas];
1346 fstring unix_ea_name;
1347 unsigned int ea_namelen = CVAL(p,1);
1348 unsigned int ea_valuelen = SVAL(p,2);
1349
1350 ea->flags = CVAL(p,0);
1351 unix_ea_name[0] = '\0';
1352 pull_ascii_fstring(unix_ea_name, p + 4);
1353 ea->name = talloc_strdup(ctx, unix_ea_name);
1354 /* Ensure the value is null terminated (in case it's a string). */
1355 ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
1356 if (!ea->value.data) {
1357 goto out;
1358 }
1359 if (ea_valuelen) {
1360 memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
1361 }
1362 ea->value.data[ea_valuelen] = 0;
1363 ea->value.length--;
1364 p += 4 + ea_namelen + 1 + ea_valuelen;
1365 }
1366
1367 *pea_list = ea_list;
1368 ret = True;
1369
1370 out :
1371
1372 SAFE_FREE(rdata);
1373 SAFE_FREE(rparam);
1374 return ret;
1375 }
1376
1377 /*********************************************************
1378 Get an extended attribute list from a pathname.
1379 *********************************************************/
1380
1381 BOOL cli_get_ea_list_path(struct cli_state *cli, const char *path,
1382 TALLOC_CTX *ctx,
1383 size_t *pnum_eas,
1384 struct ea_struct **pea_list)
1385 {
1386 uint16 setup = TRANSACT2_QPATHINFO;
1387 unsigned int param_len = 0;
1388 char param[sizeof(pstring)+6];
1389 char *p;
1390
1391 p = param;
1392 memset(p, 0, 6);
1393 SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
1394 p += 6;
1395 p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
1396 param_len = PTR_DIFF(p, param);
1397
1398 return cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
1399 }
1400
1401 /*********************************************************
1402 Get an extended attribute list from an fnum.
1403 *********************************************************/
1404
1405 BOOL cli_get_ea_list_fnum(struct cli_state *cli, int fnum,
1406 TALLOC_CTX *ctx,
1407 size_t *pnum_eas,
1408 struct ea_struct **pea_list)
1409 {
1410 uint16 setup = TRANSACT2_QFILEINFO;
1411 char param[6];
1412
1413 memset(param, 0, 6);
1414 SSVAL(param,0,fnum);
1415 SSVAL(param,2,SMB_INFO_SET_EA);
1416
1417 return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
1418 }
reg import