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spoolss: use nstring_array in spoolss_EnumPrinterKey.
[Samba.git] / source3 / smbd / nttrans.c
blob9c7fb1914e8716c6f27b90d1f2dd1878871fea26
1 /*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "smbd/globals.h"
23
24 extern enum protocol_types Protocol;
25 extern const struct generic_mapping file_generic_mapping;
26
27 static char *nttrans_realloc(char **ptr, size_t size)
28 {
29 if (ptr==NULL) {
30 smb_panic("nttrans_realloc() called with NULL ptr");
31 }
32
33 *ptr = (char *)SMB_REALLOC(*ptr, size);
34 if(*ptr == NULL) {
35 return NULL;
36 }
37 memset(*ptr,'\0',size);
38 return *ptr;
39 }
40
41 /****************************************************************************
42 Send the required number of replies back.
43 We assume all fields other than the data fields are
44 set correctly for the type of call.
45 HACK ! Always assumes smb_setup field is zero.
46 ****************************************************************************/
47
48 void send_nt_replies(connection_struct *conn,
49 struct smb_request *req, NTSTATUS nt_error,
50 char *params, int paramsize,
51 char *pdata, int datasize)
52 {
53 int data_to_send = datasize;
54 int params_to_send = paramsize;
55 int useable_space;
56 char *pp = params;
57 char *pd = pdata;
58 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
59 int alignment_offset = 3;
60 int data_alignment_offset = 0;
61
62 /*
63 * If there genuinely are no parameters or data to send just send
64 * the empty packet.
65 */
66
67 if(params_to_send == 0 && data_to_send == 0) {
68 reply_outbuf(req, 18, 0);
69 show_msg((char *)req->outbuf);
70 return;
71 }
72
73 /*
74 * When sending params and data ensure that both are nicely aligned.
75 * Only do this alignment when there is also data to send - else
76 * can cause NT redirector problems.
77 */
78
79 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
80 data_alignment_offset = 4 - (params_to_send % 4);
81 }
82
83 /*
84 * Space is bufsize minus Netbios over TCP header minus SMB header.
85 * The alignment_offset is to align the param bytes on a four byte
86 * boundary (2 bytes for data len, one byte pad).
87 * NT needs this to work correctly.
88 */
89
90 useable_space = max_send - (smb_size
91 + 2 * 18 /* wct */
92 + alignment_offset
93 + data_alignment_offset);
94
95 if (useable_space < 0) {
96 char *msg = talloc_asprintf(
97 talloc_tos(),
98 "send_nt_replies failed sanity useable_space = %d!!!",
99 useable_space);
100 DEBUG(0, ("%s\n", msg));
101 exit_server_cleanly(msg);
102 }
103
104 while (params_to_send || data_to_send) {
105
106 /*
107 * Calculate whether we will totally or partially fill this packet.
108 */
109
110 total_sent_thistime = params_to_send + data_to_send;
111
112 /*
113 * We can never send more than useable_space.
114 */
115
116 total_sent_thistime = MIN(total_sent_thistime, useable_space);
117
118 reply_outbuf(req, 18,
119 total_sent_thistime + alignment_offset
120 + data_alignment_offset);
121
122 /*
123 * We might have had SMBnttranss in req->inbuf, fix that.
124 */
125 SCVAL(req->outbuf, smb_com, SMBnttrans);
126
127 /*
128 * Set total params and data to be sent.
129 */
130
131 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
132 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
133
134 /*
135 * Calculate how many parameters and data we can fit into
136 * this packet. Parameters get precedence.
137 */
138
139 params_sent_thistime = MIN(params_to_send,useable_space);
140 data_sent_thistime = useable_space - params_sent_thistime;
141 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
142
143 SIVAL(req->outbuf, smb_ntr_ParameterCount,
144 params_sent_thistime);
145
146 if(params_sent_thistime == 0) {
147 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
148 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
149 } else {
150 /*
151 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
152 * parameter bytes, however the first 4 bytes of outbuf are
153 * the Netbios over TCP header. Thus use smb_base() to subtract
154 * them from the calculation.
155 */
156
157 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
158 ((smb_buf(req->outbuf)+alignment_offset)
159 - smb_base(req->outbuf)));
160 /*
161 * Absolute displacement of param bytes sent in this packet.
162 */
163
164 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
165 pp - params);
166 }
167
168 /*
169 * Deal with the data portion.
170 */
171
172 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
173
174 if(data_sent_thistime == 0) {
175 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
176 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
177 } else {
178 /*
179 * The offset of the data bytes is the offset of the
180 * parameter bytes plus the number of parameters being sent this time.
181 */
182
183 SIVAL(req->outbuf, smb_ntr_DataOffset,
184 ((smb_buf(req->outbuf)+alignment_offset) -
185 smb_base(req->outbuf))
186 + params_sent_thistime + data_alignment_offset);
187 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
188 }
189
190 /*
191 * Copy the param bytes into the packet.
192 */
193
194 if(params_sent_thistime) {
195 if (alignment_offset != 0) {
196 memset(smb_buf(req->outbuf), 0,
197 alignment_offset);
198 }
199 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
200 params_sent_thistime);
201 }
202
203 /*
204 * Copy in the data bytes
205 */
206
207 if(data_sent_thistime) {
208 if (data_alignment_offset != 0) {
209 memset((smb_buf(req->outbuf)+alignment_offset+
210 params_sent_thistime), 0,
211 data_alignment_offset);
212 }
213 memcpy(smb_buf(req->outbuf)+alignment_offset
214 +params_sent_thistime+data_alignment_offset,
215 pd,data_sent_thistime);
216 }
217
218 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
219 params_sent_thistime, data_sent_thistime, useable_space));
220 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
221 params_to_send, data_to_send, paramsize, datasize));
222
223 if (NT_STATUS_V(nt_error)) {
224 error_packet_set((char *)req->outbuf,
225 0, 0, nt_error,
226 __LINE__,__FILE__);
227 }
228
229 /* Send the packet */
230 show_msg((char *)req->outbuf);
231 if (!srv_send_smb(smbd_server_fd(),
232 (char *)req->outbuf,
233 IS_CONN_ENCRYPTED(conn),
234 &req->pcd)) {
235 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
236 }
237
238 TALLOC_FREE(req->outbuf);
239
240 pp += params_sent_thistime;
241 pd += data_sent_thistime;
242
243 params_to_send -= params_sent_thistime;
244 data_to_send -= data_sent_thistime;
245
246 /*
247 * Sanity check
248 */
249
250 if(params_to_send < 0 || data_to_send < 0) {
251 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
252 params_to_send, data_to_send));
253 exit_server_cleanly("send_nt_replies: internal error");
254 }
255 }
256 }
257
258 /****************************************************************************
259 Is it an NTFS stream name ?
260 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
261 $DATA can be used as both a stream name and a stream type. A missing stream
262 name or type implies $DATA.
263
264 Both Windows stream names and POSIX files can contain the ':' character.
265 This function first checks for the existence of a colon in the last component
266 of the given name. If the name contains a colon we differentiate between a
267 stream and POSIX file by checking if the latter exists through a POSIX stat.
268
269 Function assumes we've already chdir() to the "root" directory of fname.
270 ****************************************************************************/
271
272 bool is_ntfs_stream_name(const char *fname)
273 {
274 const char *lastcomp;
275 SMB_STRUCT_STAT sbuf;
276
277 /* If all pathnames are treated as POSIX we ignore streams. */
278 if (lp_posix_pathnames()) {
279 return false;
280 }
281
282 /* Find the last component of the name. */
283 if ((lastcomp = strrchr_m(fname, '/')) != NULL)
284 ++lastcomp;
285 else
286 lastcomp = fname;
287
288 /* If there is no colon in the last component, it's not a stream. */
289 if (strchr_m(lastcomp, ':') == NULL)
290 return false;
291
292 /*
293 * If file already exists on disk, it's not a stream. The stat must
294 * bypass the vfs layer so streams modules don't intefere.
295 */
296 if (sys_stat(fname, &sbuf) == 0) {
297 DEBUG(5, ("is_ntfs_stream_name: file %s contains a ':' but is "
298 "not a stream\n", fname));
299 return false;
300 }
301
302 return true;
303 }
304
305 /****************************************************************************
306 Reply to an NT create and X call on a pipe
307 ****************************************************************************/
308
309 static void nt_open_pipe(char *fname, connection_struct *conn,
310 struct smb_request *req, int *ppnum)
311 {
312 files_struct *fsp;
313 NTSTATUS status;
314
315 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
316
317 /* Strip \\ off the name. */
318 fname++;
319
320 status = open_np_file(req, fname, &fsp);
321 if (!NT_STATUS_IS_OK(status)) {
322 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
323 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
324 ERRDOS, ERRbadpipe);
325 return;
326 }
327 reply_nterror(req, status);
328 return;
329 }
330
331 *ppnum = fsp->fnum;
332 return;
333 }
334
335 /****************************************************************************
336 Reply to an NT create and X call for pipes.
337 ****************************************************************************/
338
339 static void do_ntcreate_pipe_open(connection_struct *conn,
340 struct smb_request *req)
341 {
342 char *fname = NULL;
343 int pnum = -1;
344 char *p = NULL;
345 uint32 flags = IVAL(req->vwv+3, 1);
346 TALLOC_CTX *ctx = talloc_tos();
347
348 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
349
350 if (!fname) {
351 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
352 ERRDOS, ERRbadpipe);
353 return;
354 }
355 nt_open_pipe(fname, conn, req, &pnum);
356
357 if (req->outbuf) {
358 /* error reply */
359 return;
360 }
361
362 /*
363 * Deal with pipe return.
364 */
365
366 if (flags & EXTENDED_RESPONSE_REQUIRED) {
367 /* This is very strange. We
368 * return 50 words, but only set
369 * the wcnt to 42 ? It's definately
370 * what happens on the wire....
371 */
372 reply_outbuf(req, 50, 0);
373 SCVAL(req->outbuf,smb_wct,42);
374 } else {
375 reply_outbuf(req, 34, 0);
376 }
377
378 p = (char *)req->outbuf + smb_vwv2;
379 p++;
380 SSVAL(p,0,pnum);
381 p += 2;
382 SIVAL(p,0,FILE_WAS_OPENED);
383 p += 4;
384 p += 32;
385 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
386 p += 20;
387 /* File type. */
388 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
389 /* Device state. */
390 SSVAL(p,2, 0x5FF); /* ? */
391 p += 4;
392
393 if (flags & EXTENDED_RESPONSE_REQUIRED) {
394 p += 25;
395 SIVAL(p,0,FILE_GENERIC_ALL);
396 /*
397 * For pipes W2K3 seems to return
398 * 0x12019B next.
399 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
400 */
401 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
402 }
403
404 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
405
406 chain_reply(req);
407 }
408
409 /****************************************************************************
410 Reply to an NT create and X call.
411 ****************************************************************************/
412
413 void reply_ntcreate_and_X(struct smb_request *req)
414 {
415 connection_struct *conn = req->conn;
416 char *fname = NULL;
417 uint32 flags;
418 uint32 access_mask;
419 uint32 file_attributes;
420 uint32 share_access;
421 uint32 create_disposition;
422 uint32 create_options;
423 uint16 root_dir_fid;
424 uint64_t allocation_size;
425 /* Breakout the oplock request bits so we can set the
426 reply bits separately. */
427 uint32 fattr=0;
428 SMB_OFF_T file_len = 0;
429 SMB_STRUCT_STAT sbuf;
430 int info = 0;
431 files_struct *fsp = NULL;
432 char *p = NULL;
433 struct timespec c_timespec;
434 struct timespec a_timespec;
435 struct timespec m_timespec;
436 NTSTATUS status;
437 int oplock_request;
438 uint8_t oplock_granted = NO_OPLOCK_RETURN;
439 TALLOC_CTX *ctx = talloc_tos();
440
441 START_PROFILE(SMBntcreateX);
442
443 if (req->wct < 24) {
444 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
445 return;
446 }
447
448 flags = IVAL(req->vwv+3, 1);
449 access_mask = IVAL(req->vwv+7, 1);
450 file_attributes = IVAL(req->vwv+13, 1);
451 share_access = IVAL(req->vwv+15, 1);
452 create_disposition = IVAL(req->vwv+17, 1);
453 create_options = IVAL(req->vwv+19, 1);
454 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
455
456 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
457 #ifdef LARGE_SMB_OFF_T
458 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
459 #endif
460
461 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
462 STR_TERMINATE, &status);
463
464 if (!NT_STATUS_IS_OK(status)) {
465 reply_nterror(req, status);
466 END_PROFILE(SMBntcreateX);
467 return;
468 }
469
470 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
471 "file_attributes = 0x%x, share_access = 0x%x, "
472 "create_disposition = 0x%x create_options = 0x%x "
473 "root_dir_fid = 0x%x, fname = %s\n",
474 (unsigned int)flags,
475 (unsigned int)access_mask,
476 (unsigned int)file_attributes,
477 (unsigned int)share_access,
478 (unsigned int)create_disposition,
479 (unsigned int)create_options,
480 (unsigned int)root_dir_fid,
481 fname));
482
483 /*
484 * we need to remove ignored bits when they come directly from the client
485 * because we reuse some of them for internal stuff
486 */
487 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
488
489 /*
490 * If it's an IPC, use the pipe handler.
491 */
492
493 if (IS_IPC(conn)) {
494 if (lp_nt_pipe_support()) {
495 do_ntcreate_pipe_open(conn, req);
496 END_PROFILE(SMBntcreateX);
497 return;
498 }
499 reply_doserror(req, ERRDOS, ERRnoaccess);
500 END_PROFILE(SMBntcreateX);
501 return;
502 }
503
504 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
505 if (oplock_request) {
506 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
507 ? BATCH_OPLOCK : 0;
508 }
509
510 status = SMB_VFS_CREATE_FILE(
511 conn, /* conn */
512 req, /* req */
513 root_dir_fid, /* root_dir_fid */
514 fname, /* fname */
515 CFF_DOS_PATH, /* create_file_flags */
516 access_mask, /* access_mask */
517 share_access, /* share_access */
518 create_disposition, /* create_disposition*/
519 create_options, /* create_options */
520 file_attributes, /* file_attributes */
521 oplock_request, /* oplock_request */
522 allocation_size, /* allocation_size */
523 NULL, /* sd */
524 NULL, /* ea_list */
525 &fsp, /* result */
526 &info, /* pinfo */
527 &sbuf); /* psbuf */
528
529 if (!NT_STATUS_IS_OK(status)) {
530 if (open_was_deferred(req->mid)) {
531 /* We have re-scheduled this call, no error. */
532 END_PROFILE(SMBntcreateX);
533 return;
534 }
535 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
536 reply_botherror(req, status, ERRDOS, ERRfilexists);
537 }
538 else {
539 reply_nterror(req, status);
540 }
541 END_PROFILE(SMBntcreateX);
542 return;
543 }
544
545 /*
546 * If the caller set the extended oplock request bit
547 * and we granted one (by whatever means) - set the
548 * correct bit for extended oplock reply.
549 */
550
551 if (oplock_request &&
552 (lp_fake_oplocks(SNUM(conn))
553 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
554
555 /*
556 * Exclusive oplock granted
557 */
558
559 if (flags & REQUEST_BATCH_OPLOCK) {
560 oplock_granted = BATCH_OPLOCK_RETURN;
561 } else {
562 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
563 }
564 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
565 oplock_granted = LEVEL_II_OPLOCK_RETURN;
566 } else {
567 oplock_granted = NO_OPLOCK_RETURN;
568 }
569
570 file_len = sbuf.st_size;
571 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
572 if (fattr == 0) {
573 fattr = FILE_ATTRIBUTE_NORMAL;
574 }
575
576 if (flags & EXTENDED_RESPONSE_REQUIRED) {
577 /* This is very strange. We
578 * return 50 words, but only set
579 * the wcnt to 42 ? It's definately
580 * what happens on the wire....
581 */
582 reply_outbuf(req, 50, 0);
583 SCVAL(req->outbuf,smb_wct,42);
584 } else {
585 reply_outbuf(req, 34, 0);
586 }
587
588 p = (char *)req->outbuf + smb_vwv2;
589
590 SCVAL(p, 0, oplock_granted);
591
592 p++;
593 SSVAL(p,0,fsp->fnum);
594 p += 2;
595 if ((create_disposition == FILE_SUPERSEDE)
596 && (info == FILE_WAS_OVERWRITTEN)) {
597 SIVAL(p,0,FILE_WAS_SUPERSEDED);
598 } else {
599 SIVAL(p,0,info);
600 }
601 p += 4;
602
603 /* Create time. */
604 c_timespec = get_create_timespec(
605 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
606 a_timespec = get_atimespec(&sbuf);
607 m_timespec = get_mtimespec(&sbuf);
608
609 if (lp_dos_filetime_resolution(SNUM(conn))) {
610 dos_filetime_timespec(&c_timespec);
611 dos_filetime_timespec(&a_timespec);
612 dos_filetime_timespec(&m_timespec);
613 }
614
615 put_long_date_timespec(p, c_timespec); /* create time. */
616 p += 8;
617 put_long_date_timespec(p, a_timespec); /* access time */
618 p += 8;
619 put_long_date_timespec(p, m_timespec); /* write time */
620 p += 8;
621 put_long_date_timespec(p, m_timespec); /* change time */
622 p += 8;
623 SIVAL(p,0,fattr); /* File Attributes. */
624 p += 4;
625 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
626 p += 8;
627 SOFF_T(p,0,file_len);
628 p += 8;
629 if (flags & EXTENDED_RESPONSE_REQUIRED) {
630 SSVAL(p,2,0x7);
631 }
632 p += 4;
633 SCVAL(p,0,fsp->is_directory ? 1 : 0);
634
635 if (flags & EXTENDED_RESPONSE_REQUIRED) {
636 uint32 perms = 0;
637 p += 25;
638 if (fsp->is_directory
639 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
640 perms = FILE_GENERIC_ALL;
641 } else {
642 perms = FILE_GENERIC_READ|FILE_EXECUTE;
643 }
644 SIVAL(p,0,perms);
645 }
646
647 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
648 fsp->fnum, fsp->fsp_name));
649
650 chain_reply(req);
651 END_PROFILE(SMBntcreateX);
652 return;
653 }
654
655 /****************************************************************************
656 Reply to a NT_TRANSACT_CREATE call to open a pipe.
657 ****************************************************************************/
658
659 static void do_nt_transact_create_pipe(connection_struct *conn,
660 struct smb_request *req,
661 uint16 **ppsetup, uint32 setup_count,
662 char **ppparams, uint32 parameter_count,
663 char **ppdata, uint32 data_count)
664 {
665 char *fname = NULL;
666 char *params = *ppparams;
667 int pnum = -1;
668 char *p = NULL;
669 NTSTATUS status;
670 size_t param_len;
671 uint32 flags;
672 TALLOC_CTX *ctx = talloc_tos();
673
674 /*
675 * Ensure minimum number of parameters sent.
676 */
677
678 if(parameter_count < 54) {
679 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
680 reply_doserror(req, ERRDOS, ERRnoaccess);
681 return;
682 }
683
684 flags = IVAL(params,0);
685
686 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
687 parameter_count-53, STR_TERMINATE,
688 &status);
689 if (!NT_STATUS_IS_OK(status)) {
690 reply_nterror(req, status);
691 return;
692 }
693
694 nt_open_pipe(fname, conn, req, &pnum);
695
696 if (req->outbuf) {
697 /* Error return */
698 return;
699 }
700
701 /* Realloc the size of parameters and data we will return */
702 if (flags & EXTENDED_RESPONSE_REQUIRED) {
703 /* Extended response is 32 more byyes. */
704 param_len = 101;
705 } else {
706 param_len = 69;
707 }
708 params = nttrans_realloc(ppparams, param_len);
709 if(params == NULL) {
710 reply_doserror(req, ERRDOS, ERRnomem);
711 return;
712 }
713
714 p = params;
715 SCVAL(p,0,NO_OPLOCK_RETURN);
716
717 p += 2;
718 SSVAL(p,0,pnum);
719 p += 2;
720 SIVAL(p,0,FILE_WAS_OPENED);
721 p += 8;
722
723 p += 32;
724 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
725 p += 20;
726 /* File type. */
727 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
728 /* Device state. */
729 SSVAL(p,2, 0x5FF); /* ? */
730 p += 4;
731
732 if (flags & EXTENDED_RESPONSE_REQUIRED) {
733 p += 25;
734 SIVAL(p,0,FILE_GENERIC_ALL);
735 /*
736 * For pipes W2K3 seems to return
737 * 0x12019B next.
738 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
739 */
740 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
741 }
742
743 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
744
745 /* Send the required number of replies */
746 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
747
748 return;
749 }
750
751 /****************************************************************************
752 Internal fn to set security descriptors.
753 ****************************************************************************/
754
755 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
756 uint32 security_info_sent)
757 {
758 SEC_DESC *psd = NULL;
759 NTSTATUS status;
760
761 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
762 return NT_STATUS_OK;
763 }
764
765 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
766
767 if (!NT_STATUS_IS_OK(status)) {
768 return status;
769 }
770
771 if (psd->owner_sid == NULL) {
772 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
773 }
774 if (psd->group_sid == NULL) {
775 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
776 }
777
778 /* Convert all the generic bits. */
779 security_acl_map_generic(psd->dacl, &file_generic_mapping);
780 security_acl_map_generic(psd->sacl, &file_generic_mapping);
781
782 if (DEBUGLEVEL >= 10) {
783 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
784 NDR_PRINT_DEBUG(security_descriptor, psd);
785 }
786
787 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
788
789 TALLOC_FREE(psd);
790
791 return status;
792 }
793
794 /****************************************************************************
795 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
796 ****************************************************************************/
797
798 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
799 {
800 struct ea_list *ea_list_head = NULL;
801 size_t offset = 0;
802
803 if (data_size < 4) {
804 return NULL;
805 }
806
807 while (offset + 4 <= data_size) {
808 size_t next_offset = IVAL(pdata,offset);
809 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
810
811 if (!eal) {
812 return NULL;
813 }
814
815 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
816 if (next_offset == 0) {
817 break;
818 }
819 offset += next_offset;
820 }
821
822 return ea_list_head;
823 }
824
825 /****************************************************************************
826 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
827 ****************************************************************************/
828
829 static void call_nt_transact_create(connection_struct *conn,
830 struct smb_request *req,
831 uint16 **ppsetup, uint32 setup_count,
832 char **ppparams, uint32 parameter_count,
833 char **ppdata, uint32 data_count,
834 uint32 max_data_count)
835 {
836 char *fname = NULL;
837 char *params = *ppparams;
838 char *data = *ppdata;
839 /* Breakout the oplock request bits so we can set the reply bits separately. */
840 uint32 fattr=0;
841 SMB_OFF_T file_len = 0;
842 SMB_STRUCT_STAT sbuf;
843 int info = 0;
844 files_struct *fsp = NULL;
845 char *p = NULL;
846 uint32 flags;
847 uint32 access_mask;
848 uint32 file_attributes;
849 uint32 share_access;
850 uint32 create_disposition;
851 uint32 create_options;
852 uint32 sd_len;
853 struct security_descriptor *sd = NULL;
854 uint32 ea_len;
855 uint16 root_dir_fid;
856 struct timespec c_timespec;
857 struct timespec a_timespec;
858 struct timespec m_timespec;
859 struct ea_list *ea_list = NULL;
860 NTSTATUS status;
861 size_t param_len;
862 uint64_t allocation_size;
863 int oplock_request;
864 uint8_t oplock_granted;
865 TALLOC_CTX *ctx = talloc_tos();
866
867 DEBUG(5,("call_nt_transact_create\n"));
868
869 /*
870 * If it's an IPC, use the pipe handler.
871 */
872
873 if (IS_IPC(conn)) {
874 if (lp_nt_pipe_support()) {
875 do_nt_transact_create_pipe(
876 conn, req,
877 ppsetup, setup_count,
878 ppparams, parameter_count,
879 ppdata, data_count);
880 return;
881 }
882 reply_doserror(req, ERRDOS, ERRnoaccess);
883 return;
884 }
885
886 /*
887 * Ensure minimum number of parameters sent.
888 */
889
890 if(parameter_count < 54) {
891 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
892 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
893 return;
894 }
895
896 flags = IVAL(params,0);
897 access_mask = IVAL(params,8);
898 file_attributes = IVAL(params,20);
899 share_access = IVAL(params,24);
900 create_disposition = IVAL(params,28);
901 create_options = IVAL(params,32);
902 sd_len = IVAL(params,36);
903 ea_len = IVAL(params,40);
904 root_dir_fid = (uint16)IVAL(params,4);
905 allocation_size = (uint64_t)IVAL(params,12);
906 #ifdef LARGE_SMB_OFF_T
907 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
908 #endif
909
910 /*
911 * we need to remove ignored bits when they come directly from the client
912 * because we reuse some of them for internal stuff
913 */
914 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
915
916 /* Ensure the data_len is correct for the sd and ea values given. */
917 if ((ea_len + sd_len > data_count)
918 || (ea_len > data_count) || (sd_len > data_count)
919 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
920 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
921 "%u, data_count = %u\n", (unsigned int)ea_len,
922 (unsigned int)sd_len, (unsigned int)data_count));
923 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
924 return;
925 }
926
927 if (sd_len) {
928 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
929 sd_len));
930
931 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
932 &sd);
933 if (!NT_STATUS_IS_OK(status)) {
934 DEBUG(10, ("call_nt_transact_create: "
935 "unmarshall_sec_desc failed: %s\n",
936 nt_errstr(status)));
937 reply_nterror(req, status);
938 return;
939 }
940 }
941
942 if (ea_len) {
943 if (!lp_ea_support(SNUM(conn))) {
944 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
945 "EA's not supported.\n",
946 (unsigned int)ea_len));
947 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
948 return;
949 }
950
951 if (ea_len < 10) {
952 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
953 "too small (should be more than 10)\n",
954 (unsigned int)ea_len ));
955 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
956 return;
957 }
958
959 /* We have already checked that ea_len <= data_count here. */
960 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
961 ea_len);
962 if (ea_list == NULL) {
963 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
964 return;
965 }
966 }
967
968 srvstr_get_path(ctx, params, req->flags2, &fname,
969 params+53, parameter_count-53,
970 STR_TERMINATE, &status);
971 if (!NT_STATUS_IS_OK(status)) {
972 reply_nterror(req, status);
973 return;
974 }
975
976 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
977 if (oplock_request) {
978 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
979 ? BATCH_OPLOCK : 0;
980 }
981
982 status = SMB_VFS_CREATE_FILE(
983 conn, /* conn */
984 req, /* req */
985 root_dir_fid, /* root_dir_fid */
986 fname, /* fname */
987 CFF_DOS_PATH, /* create_file_flags */
988 access_mask, /* access_mask */
989 share_access, /* share_access */
990 create_disposition, /* create_disposition*/
991 create_options, /* create_options */
992 file_attributes, /* file_attributes */
993 oplock_request, /* oplock_request */
994 allocation_size, /* allocation_size */
995 sd, /* sd */
996 ea_list, /* ea_list */
997 &fsp, /* result */
998 &info, /* pinfo */
999 &sbuf); /* psbuf */
1000
1001 if(!NT_STATUS_IS_OK(status)) {
1002 if (open_was_deferred(req->mid)) {
1003 /* We have re-scheduled this call, no error. */
1004 return;
1005 }
1006 reply_openerror(req, status);
1007 return;
1008 }
1009
1010 /*
1011 * If the caller set the extended oplock request bit
1012 * and we granted one (by whatever means) - set the
1013 * correct bit for extended oplock reply.
1014 */
1015
1016 if (oplock_request &&
1017 (lp_fake_oplocks(SNUM(conn))
1018 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1019
1020 /*
1021 * Exclusive oplock granted
1022 */
1023
1024 if (flags & REQUEST_BATCH_OPLOCK) {
1025 oplock_granted = BATCH_OPLOCK_RETURN;
1026 } else {
1027 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1028 }
1029 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1030 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1031 } else {
1032 oplock_granted = NO_OPLOCK_RETURN;
1033 }
1034
1035 file_len = sbuf.st_size;
1036 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1037 if (fattr == 0) {
1038 fattr = FILE_ATTRIBUTE_NORMAL;
1039 }
1040
1041 /* Realloc the size of parameters and data we will return */
1042 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1043 /* Extended response is 32 more byyes. */
1044 param_len = 101;
1045 } else {
1046 param_len = 69;
1047 }
1048 params = nttrans_realloc(ppparams, param_len);
1049 if(params == NULL) {
1050 reply_doserror(req, ERRDOS, ERRnomem);
1051 return;
1052 }
1053
1054 p = params;
1055 SCVAL(p, 0, oplock_granted);
1056
1057 p += 2;
1058 SSVAL(p,0,fsp->fnum);
1059 p += 2;
1060 if ((create_disposition == FILE_SUPERSEDE)
1061 && (info == FILE_WAS_OVERWRITTEN)) {
1062 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1063 } else {
1064 SIVAL(p,0,info);
1065 }
1066 p += 8;
1067
1068 /* Create time. */
1069 c_timespec = get_create_timespec(
1070 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1071 a_timespec = get_atimespec(&sbuf);
1072 m_timespec = get_mtimespec(&sbuf);
1073
1074 if (lp_dos_filetime_resolution(SNUM(conn))) {
1075 dos_filetime_timespec(&c_timespec);
1076 dos_filetime_timespec(&a_timespec);
1077 dos_filetime_timespec(&m_timespec);
1078 }
1079
1080 put_long_date_timespec(p, c_timespec); /* create time. */
1081 p += 8;
1082 put_long_date_timespec(p, a_timespec); /* access time */
1083 p += 8;
1084 put_long_date_timespec(p, m_timespec); /* write time */
1085 p += 8;
1086 put_long_date_timespec(p, m_timespec); /* change time */
1087 p += 8;
1088 SIVAL(p,0,fattr); /* File Attributes. */
1089 p += 4;
1090 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
1091 p += 8;
1092 SOFF_T(p,0,file_len);
1093 p += 8;
1094 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1095 SSVAL(p,2,0x7);
1096 }
1097 p += 4;
1098 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1099
1100 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1101 uint32 perms = 0;
1102 p += 25;
1103 if (fsp->is_directory
1104 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1105 perms = FILE_GENERIC_ALL;
1106 } else {
1107 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1108 }
1109 SIVAL(p,0,perms);
1110 }
1111
1112 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1113
1114 /* Send the required number of replies */
1115 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1116
1117 return;
1118 }
1119
1120 /****************************************************************************
1121 Reply to a NT CANCEL request.
1122 conn POINTER CAN BE NULL HERE !
1123 ****************************************************************************/
1124
1125 void reply_ntcancel(struct smb_request *req)
1126 {
1127 /*
1128 * Go through and cancel any pending change notifies.
1129 */
1130
1131 START_PROFILE(SMBntcancel);
1132 remove_pending_change_notify_requests_by_mid(req->mid);
1133 remove_pending_lock_requests_by_mid(req->mid);
1134 srv_cancel_sign_response(req->mid, true);
1135
1136 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1137
1138 END_PROFILE(SMBntcancel);
1139 return;
1140 }
1141
1142 /****************************************************************************
1143 Copy a file.
1144 ****************************************************************************/
1145
1146 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1147 connection_struct *conn,
1148 struct smb_request *req,
1149 const char *oldname_in,
1150 const char *newname_in,
1151 uint32 attrs)
1152 {
1153 SMB_STRUCT_STAT sbuf1, sbuf2;
1154 char *oldname = NULL;
1155 char *newname = NULL;
1156 char *last_component_oldname = NULL;
1157 char *last_component_newname = NULL;
1158 files_struct *fsp1,*fsp2;
1159 uint32 fattr;
1160 int info;
1161 SMB_OFF_T ret=-1;
1162 NTSTATUS status = NT_STATUS_OK;
1163 char *parent;
1164
1165 ZERO_STRUCT(sbuf1);
1166 ZERO_STRUCT(sbuf2);
1167
1168 if (!CAN_WRITE(conn)) {
1169 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1170 }
1171
1172 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1173 &last_component_oldname, &sbuf1);
1174 if (!NT_STATUS_IS_OK(status)) {
1175 return status;
1176 }
1177
1178 status = check_name(conn, oldname);
1179 if (!NT_STATUS_IS_OK(status)) {
1180 return status;
1181 }
1182
1183 /* Source must already exist. */
1184 if (!VALID_STAT(sbuf1)) {
1185 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1186 }
1187 /* Ensure attributes match. */
1188 fattr = dos_mode(conn,oldname,&sbuf1);
1189 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1190 return NT_STATUS_NO_SUCH_FILE;
1191 }
1192
1193 status = unix_convert(ctx, conn, newname_in, False, &newname,
1194 &last_component_newname, &sbuf2);
1195 if (!NT_STATUS_IS_OK(status)) {
1196 return status;
1197 }
1198
1199 status = check_name(conn, newname);
1200 if (!NT_STATUS_IS_OK(status)) {
1201 return status;
1202 }
1203
1204 /* Disallow if newname already exists. */
1205 if (VALID_STAT(sbuf2)) {
1206 return NT_STATUS_OBJECT_NAME_COLLISION;
1207 }
1208
1209 /* No links from a directory. */
1210 if (S_ISDIR(sbuf1.st_mode)) {
1211 return NT_STATUS_FILE_IS_A_DIRECTORY;
1212 }
1213
1214 /* Ensure this is within the share. */
1215 status = check_reduced_name(conn, oldname);
1216 if (!NT_STATUS_IS_OK(status)) {
1217 return status;
1218 }
1219
1220 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1221 oldname, newname));
1222
1223 status = SMB_VFS_CREATE_FILE(
1224 conn, /* conn */
1225 req, /* req */
1226 0, /* root_dir_fid */
1227 oldname, /* fname */
1228 0, /* create_file_flags */
1229 FILE_READ_DATA, /* access_mask */
1230 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1231 FILE_SHARE_DELETE),
1232 FILE_OPEN, /* create_disposition*/
1233 0, /* create_options */
1234 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1235 NO_OPLOCK, /* oplock_request */
1236 0, /* allocation_size */
1237 NULL, /* sd */
1238 NULL, /* ea_list */
1239 &fsp1, /* result */
1240 &info, /* pinfo */
1241 &sbuf1); /* psbuf */
1242
1243 if (!NT_STATUS_IS_OK(status)) {
1244 return status;
1245 }
1246
1247 status = SMB_VFS_CREATE_FILE(
1248 conn, /* conn */
1249 req, /* req */
1250 0, /* root_dir_fid */
1251 newname, /* fname */
1252 0, /* create_file_flags */
1253 FILE_WRITE_DATA, /* access_mask */
1254 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1255 FILE_SHARE_DELETE),
1256 FILE_CREATE, /* create_disposition*/
1257 0, /* create_options */
1258 fattr, /* file_attributes */
1259 NO_OPLOCK, /* oplock_request */
1260 0, /* allocation_size */
1261 NULL, /* sd */
1262 NULL, /* ea_list */
1263 &fsp2, /* result */
1264 &info, /* pinfo */
1265 &sbuf2); /* psbuf */
1266
1267 if (!NT_STATUS_IS_OK(status)) {
1268 close_file(NULL, fsp1, ERROR_CLOSE);
1269 return status;
1270 }
1271
1272 if (sbuf1.st_size) {
1273 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1274 }
1275
1276 /*
1277 * As we are opening fsp1 read-only we only expect
1278 * an error on close on fsp2 if we are out of space.
1279 * Thus we don't look at the error return from the
1280 * close of fsp1.
1281 */
1282 close_file(NULL, fsp1, NORMAL_CLOSE);
1283
1284 /* Ensure the modtime is set correctly on the destination file. */
1285 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1286
1287 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1288
1289 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1290 creates the file. This isn't the correct thing to do in the copy
1291 case. JRA */
1292 if (!parent_dirname(talloc_tos(), newname, &parent, NULL)) {
1293 return NT_STATUS_NO_MEMORY;
1294 }
1295 file_set_dosmode(conn, newname, fattr, &sbuf2, parent, false);
1296 TALLOC_FREE(parent);
1297
1298 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1299 return NT_STATUS_DISK_FULL;
1300 }
1301
1302 if (!NT_STATUS_IS_OK(status)) {
1303 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1304 nt_errstr(status), oldname, newname));
1305 }
1306 return status;
1307 }
1308
1309 /****************************************************************************
1310 Reply to a NT rename request.
1311 ****************************************************************************/
1312
1313 void reply_ntrename(struct smb_request *req)
1314 {
1315 connection_struct *conn = req->conn;
1316 char *oldname = NULL;
1317 char *newname = NULL;
1318 const char *p;
1319 NTSTATUS status;
1320 bool src_has_wcard = False;
1321 bool dest_has_wcard = False;
1322 uint32 attrs;
1323 uint16 rename_type;
1324 TALLOC_CTX *ctx = talloc_tos();
1325
1326 START_PROFILE(SMBntrename);
1327
1328 if (req->wct < 4) {
1329 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1330 END_PROFILE(SMBntrename);
1331 return;
1332 }
1333
1334 attrs = SVAL(req->vwv+0, 0);
1335 rename_type = SVAL(req->vwv+1, 0);
1336
1337 p = (const char *)req->buf + 1;
1338 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1339 &status, &src_has_wcard);
1340 if (!NT_STATUS_IS_OK(status)) {
1341 reply_nterror(req, status);
1342 END_PROFILE(SMBntrename);
1343 return;
1344 }
1345
1346 if (ms_has_wild(oldname)) {
1347 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1348 END_PROFILE(SMBntrename);
1349 return;
1350 }
1351
1352 p++;
1353 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1354 &status, &dest_has_wcard);
1355 if (!NT_STATUS_IS_OK(status)) {
1356 reply_nterror(req, status);
1357 END_PROFILE(SMBntrename);
1358 return;
1359 }
1360
1361 status = resolve_dfspath(ctx, conn,
1362 req->flags2 & FLAGS2_DFS_PATHNAMES,
1363 oldname,
1364 &oldname);
1365 if (!NT_STATUS_IS_OK(status)) {
1366 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1367 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1368 ERRSRV, ERRbadpath);
1369 END_PROFILE(SMBntrename);
1370 return;
1371 }
1372 reply_nterror(req, status);
1373 END_PROFILE(SMBntrename);
1374 return;
1375 }
1376
1377 status = resolve_dfspath(ctx, conn,
1378 req->flags2 & FLAGS2_DFS_PATHNAMES,
1379 newname,
1380 &newname);
1381 if (!NT_STATUS_IS_OK(status)) {
1382 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1383 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1384 ERRSRV, ERRbadpath);
1385 END_PROFILE(SMBntrename);
1386 return;
1387 }
1388 reply_nterror(req, status);
1389 END_PROFILE(SMBntrename);
1390 return;
1391 }
1392
1393 /* The new name must begin with a ':' if the old name is a stream. */
1394 if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
1395 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1396 END_PROFILE(SMBntrename);
1397 return;
1398 }
1399
1400 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1401
1402 switch(rename_type) {
1403 case RENAME_FLAG_RENAME:
1404 status = rename_internals(ctx, conn, req, oldname,
1405 newname, attrs, False, src_has_wcard,
1406 dest_has_wcard, DELETE_ACCESS);
1407 break;
1408 case RENAME_FLAG_HARD_LINK:
1409 if (src_has_wcard || dest_has_wcard) {
1410 /* No wildcards. */
1411 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1412 } else {
1413 status = hardlink_internals(ctx,
1414 conn,
1415 oldname,
1416 newname);
1417 }
1418 break;
1419 case RENAME_FLAG_COPY:
1420 if (src_has_wcard || dest_has_wcard) {
1421 /* No wildcards. */
1422 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1423 } else {
1424 status = copy_internals(ctx, conn, req, oldname,
1425 newname, attrs);
1426 }
1427 break;
1428 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1429 status = NT_STATUS_INVALID_PARAMETER;
1430 break;
1431 default:
1432 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1433 break;
1434 }
1435
1436 if (!NT_STATUS_IS_OK(status)) {
1437 if (open_was_deferred(req->mid)) {
1438 /* We have re-scheduled this call. */
1439 END_PROFILE(SMBntrename);
1440 return;
1441 }
1442
1443 reply_nterror(req, status);
1444 END_PROFILE(SMBntrename);
1445 return;
1446 }
1447
1448 reply_outbuf(req, 0, 0);
1449
1450 END_PROFILE(SMBntrename);
1451 return;
1452 }
1453
1454 /****************************************************************************
1455 Reply to a notify change - queue the request and
1456 don't allow a directory to be opened.
1457 ****************************************************************************/
1458
1459 static void call_nt_transact_notify_change(connection_struct *conn,
1460 struct smb_request *req,
1461 uint16 **ppsetup,
1462 uint32 setup_count,
1463 char **ppparams,
1464 uint32 parameter_count,
1465 char **ppdata, uint32 data_count,
1466 uint32 max_data_count,
1467 uint32 max_param_count)
1468 {
1469 uint16 *setup = *ppsetup;
1470 files_struct *fsp;
1471 uint32 filter;
1472 NTSTATUS status;
1473 bool recursive;
1474
1475 if(setup_count < 6) {
1476 reply_doserror(req, ERRDOS, ERRbadfunc);
1477 return;
1478 }
1479
1480 fsp = file_fsp(req, SVAL(setup,4));
1481 filter = IVAL(setup, 0);
1482 recursive = (SVAL(setup, 6) != 0) ? True : False;
1483
1484 DEBUG(3,("call_nt_transact_notify_change\n"));
1485
1486 if(!fsp) {
1487 reply_doserror(req, ERRDOS, ERRbadfid);
1488 return;
1489 }
1490
1491 {
1492 char *filter_string;
1493
1494 if (!(filter_string = notify_filter_string(NULL, filter))) {
1495 reply_nterror(req,NT_STATUS_NO_MEMORY);
1496 return;
1497 }
1498
1499 DEBUG(3,("call_nt_transact_notify_change: notify change "
1500 "called on %s, filter = %s, recursive = %d\n",
1501 fsp->fsp_name, filter_string, recursive));
1502
1503 TALLOC_FREE(filter_string);
1504 }
1505
1506 if((!fsp->is_directory) || (conn != fsp->conn)) {
1507 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1508 return;
1509 }
1510
1511 if (fsp->notify == NULL) {
1512
1513 status = change_notify_create(fsp, filter, recursive);
1514
1515 if (!NT_STATUS_IS_OK(status)) {
1516 DEBUG(10, ("change_notify_create returned %s\n",
1517 nt_errstr(status)));
1518 reply_nterror(req, status);
1519 return;
1520 }
1521 }
1522
1523 if (fsp->notify->num_changes != 0) {
1524
1525 /*
1526 * We've got changes pending, respond immediately
1527 */
1528
1529 /*
1530 * TODO: write a torture test to check the filtering behaviour
1531 * here.
1532 */
1533
1534 change_notify_reply(fsp->conn, req, max_param_count,
1535 fsp->notify);
1536
1537 /*
1538 * change_notify_reply() above has independently sent its
1539 * results
1540 */
1541 return;
1542 }
1543
1544 /*
1545 * No changes pending, queue the request
1546 */
1547
1548 status = change_notify_add_request(req,
1549 max_param_count,
1550 filter,
1551 recursive, fsp);
1552 if (!NT_STATUS_IS_OK(status)) {
1553 reply_nterror(req, status);
1554 }
1555 return;
1556 }
1557
1558 /****************************************************************************
1559 Reply to an NT transact rename command.
1560 ****************************************************************************/
1561
1562 static void call_nt_transact_rename(connection_struct *conn,
1563 struct smb_request *req,
1564 uint16 **ppsetup, uint32 setup_count,
1565 char **ppparams, uint32 parameter_count,
1566 char **ppdata, uint32 data_count,
1567 uint32 max_data_count)
1568 {
1569 char *params = *ppparams;
1570 char *new_name = NULL;
1571 files_struct *fsp = NULL;
1572 bool dest_has_wcard = False;
1573 NTSTATUS status;
1574 TALLOC_CTX *ctx = talloc_tos();
1575
1576 if(parameter_count < 5) {
1577 reply_doserror(req, ERRDOS, ERRbadfunc);
1578 return;
1579 }
1580
1581 fsp = file_fsp(req, SVAL(params, 0));
1582 if (!check_fsp(conn, req, fsp)) {
1583 return;
1584 }
1585 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1586 parameter_count - 4,
1587 STR_TERMINATE, &status, &dest_has_wcard);
1588 if (!NT_STATUS_IS_OK(status)) {
1589 reply_nterror(req, status);
1590 return;
1591 }
1592
1593 /*
1594 * W2K3 ignores this request as the RAW-RENAME test
1595 * demonstrates, so we do.
1596 */
1597 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1598
1599 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1600 fsp->fsp_name, new_name));
1601
1602 return;
1603 }
1604
1605 /******************************************************************************
1606 Fake up a completely empty SD.
1607 *******************************************************************************/
1608
1609 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1610 {
1611 size_t sd_size;
1612
1613 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1614 if(!*ppsd) {
1615 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1616 return NT_STATUS_NO_MEMORY;
1617 }
1618
1619 return NT_STATUS_OK;
1620 }
1621
1622 /****************************************************************************
1623 Reply to query a security descriptor.
1624 ****************************************************************************/
1625
1626 static void call_nt_transact_query_security_desc(connection_struct *conn,
1627 struct smb_request *req,
1628 uint16 **ppsetup,
1629 uint32 setup_count,
1630 char **ppparams,
1631 uint32 parameter_count,
1632 char **ppdata,
1633 uint32 data_count,
1634 uint32 max_data_count)
1635 {
1636 char *params = *ppparams;
1637 char *data = *ppdata;
1638 SEC_DESC *psd = NULL;
1639 size_t sd_size;
1640 uint32 security_info_wanted;
1641 files_struct *fsp = NULL;
1642 NTSTATUS status;
1643 DATA_BLOB blob;
1644
1645 if(parameter_count < 8) {
1646 reply_doserror(req, ERRDOS, ERRbadfunc);
1647 return;
1648 }
1649
1650 fsp = file_fsp(req, SVAL(params,0));
1651 if(!fsp) {
1652 reply_doserror(req, ERRDOS, ERRbadfid);
1653 return;
1654 }
1655
1656 security_info_wanted = IVAL(params,4);
1657
1658 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1659 (unsigned int)security_info_wanted ));
1660
1661 params = nttrans_realloc(ppparams, 4);
1662 if(params == NULL) {
1663 reply_doserror(req, ERRDOS, ERRnomem);
1664 return;
1665 }
1666
1667 /*
1668 * Get the permissions to return.
1669 */
1670
1671 if (!lp_nt_acl_support(SNUM(conn))) {
1672 status = get_null_nt_acl(talloc_tos(), &psd);
1673 } else {
1674 status = SMB_VFS_FGET_NT_ACL(
1675 fsp, security_info_wanted, &psd);
1676 }
1677 if (!NT_STATUS_IS_OK(status)) {
1678 reply_nterror(req, status);
1679 return;
1680 }
1681
1682 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1683 * present in the reply to match Windows behavior */
1684 if (psd->sacl == NULL &&
1685 security_info_wanted & SACL_SECURITY_INFORMATION)
1686 psd->type |= SEC_DESC_SACL_PRESENT;
1687 if (psd->dacl == NULL &&
1688 security_info_wanted & DACL_SECURITY_INFORMATION)
1689 psd->type |= SEC_DESC_DACL_PRESENT;
1690
1691 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1692
1693 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1694
1695 if (DEBUGLEVEL >= 10) {
1696 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name));
1697 NDR_PRINT_DEBUG(security_descriptor, psd);
1698 }
1699
1700 SIVAL(params,0,(uint32)sd_size);
1701
1702 if (max_data_count < sd_size) {
1703 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1704 params, 4, *ppdata, 0);
1705 return;
1706 }
1707
1708 /*
1709 * Allocate the data we will point this at.
1710 */
1711
1712 data = nttrans_realloc(ppdata, sd_size);
1713 if(data == NULL) {
1714 reply_doserror(req, ERRDOS, ERRnomem);
1715 return;
1716 }
1717
1718 status = marshall_sec_desc(talloc_tos(), psd,
1719 &blob.data, &blob.length);
1720
1721 if (!NT_STATUS_IS_OK(status)) {
1722 reply_nterror(req, status);
1723 return;
1724 }
1725
1726 SMB_ASSERT(sd_size == blob.length);
1727 memcpy(data, blob.data, sd_size);
1728
1729 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1730
1731 return;
1732 }
1733
1734 /****************************************************************************
1735 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1736 ****************************************************************************/
1737
1738 static void call_nt_transact_set_security_desc(connection_struct *conn,
1739 struct smb_request *req,
1740 uint16 **ppsetup,
1741 uint32 setup_count,
1742 char **ppparams,
1743 uint32 parameter_count,
1744 char **ppdata,
1745 uint32 data_count,
1746 uint32 max_data_count)
1747 {
1748 char *params= *ppparams;
1749 char *data = *ppdata;
1750 files_struct *fsp = NULL;
1751 uint32 security_info_sent = 0;
1752 NTSTATUS status;
1753
1754 if(parameter_count < 8) {
1755 reply_doserror(req, ERRDOS, ERRbadfunc);
1756 return;
1757 }
1758
1759 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1760 reply_doserror(req, ERRDOS, ERRbadfid);
1761 return;
1762 }
1763
1764 if(!lp_nt_acl_support(SNUM(conn))) {
1765 goto done;
1766 }
1767
1768 security_info_sent = IVAL(params,4);
1769
1770 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1771 (unsigned int)security_info_sent ));
1772
1773 if (data_count == 0) {
1774 reply_doserror(req, ERRDOS, ERRnoaccess);
1775 return;
1776 }
1777
1778 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1779
1780 if (!NT_STATUS_IS_OK(status)) {
1781 reply_nterror(req, status);
1782 return;
1783 }
1784
1785 done:
1786 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1787 return;
1788 }
1789
1790 /****************************************************************************
1791 Reply to NT IOCTL
1792 ****************************************************************************/
1793
1794 static void call_nt_transact_ioctl(connection_struct *conn,
1795 struct smb_request *req,
1796 uint16 **ppsetup, uint32 setup_count,
1797 char **ppparams, uint32 parameter_count,
1798 char **ppdata, uint32 data_count,
1799 uint32 max_data_count)
1800 {
1801 uint32 function;
1802 uint16 fidnum;
1803 files_struct *fsp;
1804 uint8 isFSctl;
1805 uint8 compfilter;
1806 char *pdata = *ppdata;
1807
1808 if (setup_count != 8) {
1809 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1810 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1811 return;
1812 }
1813
1814 function = IVAL(*ppsetup, 0);
1815 fidnum = SVAL(*ppsetup, 4);
1816 isFSctl = CVAL(*ppsetup, 6);
1817 compfilter = CVAL(*ppsetup, 7);
1818
1819 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1820 function, fidnum, isFSctl, compfilter));
1821
1822 fsp=file_fsp(req, fidnum);
1823 /* this check is done in each implemented function case for now
1824 because I don't want to break anything... --metze
1825 FSP_BELONGS_CONN(fsp,conn);*/
1826
1827 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1828
1829 switch (function) {
1830 case FSCTL_SET_SPARSE:
1831 /* pretend this succeeded - tho strictly we should
1832 mark the file sparse (if the local fs supports it)
1833 so we can know if we need to pre-allocate or not */
1834
1835 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1836 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1837 return;
1838
1839 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1840 {
1841 unsigned char objid[16];
1842
1843 /* This should return the object-id on this file.
1844 * I think I'll make this be the inode+dev. JRA.
1845 */
1846
1847 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1848
1849 if (!fsp_belongs_conn(conn, req, fsp)) {
1850 return;
1851 }
1852
1853 data_count = 64;
1854 pdata = nttrans_realloc(ppdata, data_count);
1855 if (pdata == NULL) {
1856 reply_nterror(req, NT_STATUS_NO_MEMORY);
1857 return;
1858 }
1859
1860 /* For backwards compatibility only store the dev/inode. */
1861 push_file_id_16(pdata, &fsp->file_id);
1862 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1863 push_file_id_16(pdata+32, &fsp->file_id);
1864 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1865 pdata, data_count);
1866 return;
1867 }
1868
1869 case FSCTL_GET_REPARSE_POINT:
1870 /* pretend this fail - my winXP does it like this
1871 * --metze
1872 */
1873
1874 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1875 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1876 return;
1877
1878 case FSCTL_SET_REPARSE_POINT:
1879 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1880 * --metze
1881 */
1882
1883 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1884 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1885 return;
1886
1887 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1888 {
1889 /*
1890 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1891 * and return their volume names. If max_data_count is 16, then it is just
1892 * asking for the number of volumes and length of the combined names.
1893 *
1894 * pdata is the data allocated by our caller, but that uses
1895 * total_data_count (which is 0 in our case) rather than max_data_count.
1896 * Allocate the correct amount and return the pointer to let
1897 * it be deallocated when we return.
1898 */
1899 SHADOW_COPY_DATA *shadow_data = NULL;
1900 TALLOC_CTX *shadow_mem_ctx = NULL;
1901 bool labels = False;
1902 uint32 labels_data_count = 0;
1903 uint32 i;
1904 char *cur_pdata;
1905
1906 if (!fsp_belongs_conn(conn, req, fsp)) {
1907 return;
1908 }
1909
1910 if (max_data_count < 16) {
1911 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1912 max_data_count));
1913 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1914 return;
1915 }
1916
1917 if (max_data_count > 16) {
1918 labels = True;
1919 }
1920
1921 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1922 if (shadow_mem_ctx == NULL) {
1923 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1924 reply_nterror(req, NT_STATUS_NO_MEMORY);
1925 return;
1926 }
1927
1928 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1929 if (shadow_data == NULL) {
1930 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1931 talloc_destroy(shadow_mem_ctx);
1932 reply_nterror(req, NT_STATUS_NO_MEMORY);
1933 return;
1934 }
1935
1936 shadow_data->mem_ctx = shadow_mem_ctx;
1937
1938 /*
1939 * Call the VFS routine to actually do the work.
1940 */
1941 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1942 talloc_destroy(shadow_data->mem_ctx);
1943 if (errno == ENOSYS) {
1944 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1945 conn->connectpath));
1946 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1947 return;
1948 } else {
1949 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1950 conn->connectpath));
1951 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1952 return;
1953 }
1954 }
1955
1956 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1957
1958 if (!labels) {
1959 data_count = 16;
1960 } else {
1961 data_count = 12+labels_data_count+4;
1962 }
1963
1964 if (max_data_count<data_count) {
1965 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1966 max_data_count,data_count));
1967 talloc_destroy(shadow_data->mem_ctx);
1968 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1969 return;
1970 }
1971
1972 pdata = nttrans_realloc(ppdata, data_count);
1973 if (pdata == NULL) {
1974 talloc_destroy(shadow_data->mem_ctx);
1975 reply_nterror(req, NT_STATUS_NO_MEMORY);
1976 return;
1977 }
1978
1979 cur_pdata = pdata;
1980
1981 /* num_volumes 4 bytes */
1982 SIVAL(pdata,0,shadow_data->num_volumes);
1983
1984 if (labels) {
1985 /* num_labels 4 bytes */
1986 SIVAL(pdata,4,shadow_data->num_volumes);
1987 }
1988
1989 /* needed_data_count 4 bytes */
1990 SIVAL(pdata,8,labels_data_count);
1991
1992 cur_pdata+=12;
1993
1994 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1995 shadow_data->num_volumes,fsp->fsp_name));
1996 if (labels && shadow_data->labels) {
1997 for (i=0;i<shadow_data->num_volumes;i++) {
1998 srvstr_push(pdata, req->flags2,
1999 cur_pdata, shadow_data->labels[i],
2000 2*sizeof(SHADOW_COPY_LABEL),
2001 STR_UNICODE|STR_TERMINATE);
2002 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2003 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2004 }
2005 }
2006
2007 talloc_destroy(shadow_data->mem_ctx);
2008
2009 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2010 pdata, data_count);
2011
2012 return;
2013 }
2014
2015 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2016 {
2017 /* pretend this succeeded -
2018 *
2019 * we have to send back a list with all files owned by this SID
2020 *
2021 * but I have to check that --metze
2022 */
2023 DOM_SID sid;
2024 uid_t uid;
2025 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2026
2027 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2028
2029 if (!fsp_belongs_conn(conn, req, fsp)) {
2030 return;
2031 }
2032
2033 /* unknown 4 bytes: this is not the length of the sid :-( */
2034 /*unknown = IVAL(pdata,0);*/
2035
2036 sid_parse(pdata+4,sid_len,&sid);
2037 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2038
2039 if (!sid_to_uid(&sid, &uid)) {
2040 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2041 sid_string_dbg(&sid),
2042 (unsigned long)sid_len));
2043 uid = (-1);
2044 }
2045
2046 /* we can take a look at the find source :-)
2047 *
2048 * find ./ -uid $uid -name '*' is what we need here
2049 *
2050 *
2051 * and send 4bytes len and then NULL terminated unicode strings
2052 * for each file
2053 *
2054 * but I don't know how to deal with the paged results
2055 * (maybe we can hang the result anywhere in the fsp struct)
2056 *
2057 * we don't send all files at once
2058 * and at the next we should *not* start from the beginning,
2059 * so we have to cache the result
2060 *
2061 * --metze
2062 */
2063
2064 /* this works for now... */
2065 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2066 return;
2067 }
2068 default:
2069 if (!logged_ioctl_message) {
2070 logged_ioctl_message = true; /* Only print this once... */
2071 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2072 function));
2073 }
2074 }
2075
2076 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2077 }
2078
2079
2080 #ifdef HAVE_SYS_QUOTAS
2081 /****************************************************************************
2082 Reply to get user quota
2083 ****************************************************************************/
2084
2085 static void call_nt_transact_get_user_quota(connection_struct *conn,
2086 struct smb_request *req,
2087 uint16 **ppsetup,
2088 uint32 setup_count,
2089 char **ppparams,
2090 uint32 parameter_count,
2091 char **ppdata,
2092 uint32 data_count,
2093 uint32 max_data_count)
2094 {
2095 NTSTATUS nt_status = NT_STATUS_OK;
2096 char *params = *ppparams;
2097 char *pdata = *ppdata;
2098 char *entry;
2099 int data_len=0,param_len=0;
2100 int qt_len=0;
2101 int entry_len = 0;
2102 files_struct *fsp = NULL;
2103 uint16 level = 0;
2104 size_t sid_len;
2105 DOM_SID sid;
2106 bool start_enum = True;
2107 SMB_NTQUOTA_STRUCT qt;
2108 SMB_NTQUOTA_LIST *tmp_list;
2109 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2110
2111 ZERO_STRUCT(qt);
2112
2113 /* access check */
2114 if (conn->server_info->utok.uid != 0) {
2115 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2116 "[%s]\n", lp_servicename(SNUM(conn)),
2117 conn->server_info->unix_name));
2118 reply_doserror(req, ERRDOS, ERRnoaccess);
2119 return;
2120 }
2121
2122 /*
2123 * Ensure minimum number of parameters sent.
2124 */
2125
2126 if (parameter_count < 4) {
2127 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2128 reply_doserror(req, ERRDOS, ERRinvalidparam);
2129 return;
2130 }
2131
2132 /* maybe we can check the quota_fnum */
2133 fsp = file_fsp(req, SVAL(params,0));
2134 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2135 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2136 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2137 return;
2138 }
2139
2140 /* the NULL pointer checking for fsp->fake_file_handle->pd
2141 * is done by CHECK_NTQUOTA_HANDLE_OK()
2142 */
2143 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2144
2145 level = SVAL(params,2);
2146
2147 /* unknown 12 bytes leading in params */
2148
2149 switch (level) {
2150 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2151 /* seems that we should continue with the enum here --metze */
2152
2153 if (qt_handle->quota_list!=NULL &&
2154 qt_handle->tmp_list==NULL) {
2155
2156 /* free the list */
2157 free_ntquota_list(&(qt_handle->quota_list));
2158
2159 /* Realloc the size of parameters and data we will return */
2160 param_len = 4;
2161 params = nttrans_realloc(ppparams, param_len);
2162 if(params == NULL) {
2163 reply_doserror(req, ERRDOS, ERRnomem);
2164 return;
2165 }
2166
2167 data_len = 0;
2168 SIVAL(params,0,data_len);
2169
2170 break;
2171 }
2172
2173 start_enum = False;
2174
2175 case TRANSACT_GET_USER_QUOTA_LIST_START:
2176
2177 if (qt_handle->quota_list==NULL &&
2178 qt_handle->tmp_list==NULL) {
2179 start_enum = True;
2180 }
2181
2182 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2183 reply_doserror(req, ERRSRV, ERRerror);
2184 return;
2185 }
2186
2187 /* Realloc the size of parameters and data we will return */
2188 param_len = 4;
2189 params = nttrans_realloc(ppparams, param_len);
2190 if(params == NULL) {
2191 reply_doserror(req, ERRDOS, ERRnomem);
2192 return;
2193 }
2194
2195 /* we should not trust the value in max_data_count*/
2196 max_data_count = MIN(max_data_count,2048);
2197
2198 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2199 if(pdata == NULL) {
2200 reply_doserror(req, ERRDOS, ERRnomem);
2201 return;
2202 }
2203
2204 entry = pdata;
2205
2206 /* set params Size of returned Quota Data 4 bytes*/
2207 /* but set it later when we know it */
2208
2209 /* for each entry push the data */
2210
2211 if (start_enum) {
2212 qt_handle->tmp_list = qt_handle->quota_list;
2213 }
2214
2215 tmp_list = qt_handle->tmp_list;
2216
2217 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2218 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2219
2220 sid_len = ndr_size_dom_sid(
2221 &tmp_list->quotas->sid, NULL, 0);
2222 entry_len = 40 + sid_len;
2223
2224 /* nextoffset entry 4 bytes */
2225 SIVAL(entry,0,entry_len);
2226
2227 /* then the len of the SID 4 bytes */
2228 SIVAL(entry,4,sid_len);
2229
2230 /* unknown data 8 bytes uint64_t */
2231 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2232
2233 /* the used disk space 8 bytes uint64_t */
2234 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2235
2236 /* the soft quotas 8 bytes uint64_t */
2237 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2238
2239 /* the hard quotas 8 bytes uint64_t */
2240 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2241
2242 /* and now the SID */
2243 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2244 }
2245
2246 qt_handle->tmp_list = tmp_list;
2247
2248 /* overwrite the offset of the last entry */
2249 SIVAL(entry-entry_len,0,0);
2250
2251 data_len = 4+qt_len;
2252 /* overwrite the params quota_data_len */
2253 SIVAL(params,0,data_len);
2254
2255 break;
2256
2257 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2258
2259 /* unknown 4 bytes IVAL(pdata,0) */
2260
2261 if (data_count < 8) {
2262 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2263 reply_doserror(req, ERRDOS, ERRunknownlevel);
2264 return;
2265 }
2266
2267 sid_len = IVAL(pdata,4);
2268 /* Ensure this is less than 1mb. */
2269 if (sid_len > (1024*1024)) {
2270 reply_doserror(req, ERRDOS, ERRnomem);
2271 return;
2272 }
2273
2274 if (data_count < 8+sid_len) {
2275 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2276 reply_doserror(req, ERRDOS, ERRunknownlevel);
2277 return;
2278 }
2279
2280 data_len = 4+40+sid_len;
2281
2282 if (max_data_count < data_len) {
2283 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2284 max_data_count, data_len));
2285 param_len = 4;
2286 SIVAL(params,0,data_len);
2287 data_len = 0;
2288 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2289 break;
2290 }
2291
2292 sid_parse(pdata+8,sid_len,&sid);
2293
2294 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2295 ZERO_STRUCT(qt);
2296 /*
2297 * we have to return zero's in all fields
2298 * instead of returning an error here
2299 * --metze
2300 */
2301 }
2302
2303 /* Realloc the size of parameters and data we will return */
2304 param_len = 4;
2305 params = nttrans_realloc(ppparams, param_len);
2306 if(params == NULL) {
2307 reply_doserror(req, ERRDOS, ERRnomem);
2308 return;
2309 }
2310
2311 pdata = nttrans_realloc(ppdata, data_len);
2312 if(pdata == NULL) {
2313 reply_doserror(req, ERRDOS, ERRnomem);
2314 return;
2315 }
2316
2317 entry = pdata;
2318
2319 /* set params Size of returned Quota Data 4 bytes*/
2320 SIVAL(params,0,data_len);
2321
2322 /* nextoffset entry 4 bytes */
2323 SIVAL(entry,0,0);
2324
2325 /* then the len of the SID 4 bytes */
2326 SIVAL(entry,4,sid_len);
2327
2328 /* unknown data 8 bytes uint64_t */
2329 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2330
2331 /* the used disk space 8 bytes uint64_t */
2332 SBIG_UINT(entry,16,qt.usedspace);
2333
2334 /* the soft quotas 8 bytes uint64_t */
2335 SBIG_UINT(entry,24,qt.softlim);
2336
2337 /* the hard quotas 8 bytes uint64_t */
2338 SBIG_UINT(entry,32,qt.hardlim);
2339
2340 /* and now the SID */
2341 sid_linearize(entry+40, sid_len, &sid);
2342
2343 break;
2344
2345 default:
2346 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2347 reply_doserror(req, ERRSRV, ERRerror);
2348 return;
2349 break;
2350 }
2351
2352 send_nt_replies(conn, req, nt_status, params, param_len,
2353 pdata, data_len);
2354 }
2355
2356 /****************************************************************************
2357 Reply to set user quota
2358 ****************************************************************************/
2359
2360 static void call_nt_transact_set_user_quota(connection_struct *conn,
2361 struct smb_request *req,
2362 uint16 **ppsetup,
2363 uint32 setup_count,
2364 char **ppparams,
2365 uint32 parameter_count,
2366 char **ppdata,
2367 uint32 data_count,
2368 uint32 max_data_count)
2369 {
2370 char *params = *ppparams;
2371 char *pdata = *ppdata;
2372 int data_len=0,param_len=0;
2373 SMB_NTQUOTA_STRUCT qt;
2374 size_t sid_len;
2375 DOM_SID sid;
2376 files_struct *fsp = NULL;
2377
2378 ZERO_STRUCT(qt);
2379
2380 /* access check */
2381 if (conn->server_info->utok.uid != 0) {
2382 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2383 "[%s]\n", lp_servicename(SNUM(conn)),
2384 conn->server_info->unix_name));
2385 reply_doserror(req, ERRDOS, ERRnoaccess);
2386 return;
2387 }
2388
2389 /*
2390 * Ensure minimum number of parameters sent.
2391 */
2392
2393 if (parameter_count < 2) {
2394 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2395 reply_doserror(req, ERRDOS, ERRinvalidparam);
2396 return;
2397 }
2398
2399 /* maybe we can check the quota_fnum */
2400 fsp = file_fsp(req, SVAL(params,0));
2401 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2402 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2403 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2404 return;
2405 }
2406
2407 if (data_count < 40) {
2408 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2409 reply_doserror(req, ERRDOS, ERRunknownlevel);
2410 return;
2411 }
2412
2413 /* offset to next quota record.
2414 * 4 bytes IVAL(pdata,0)
2415 * unused here...
2416 */
2417
2418 /* sid len */
2419 sid_len = IVAL(pdata,4);
2420
2421 if (data_count < 40+sid_len) {
2422 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2423 reply_doserror(req, ERRDOS, ERRunknownlevel);
2424 return;
2425 }
2426
2427 /* unknown 8 bytes in pdata
2428 * maybe its the change time in NTTIME
2429 */
2430
2431 /* the used space 8 bytes (uint64_t)*/
2432 qt.usedspace = (uint64_t)IVAL(pdata,16);
2433 #ifdef LARGE_SMB_OFF_T
2434 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2435 #else /* LARGE_SMB_OFF_T */
2436 if ((IVAL(pdata,20) != 0)&&
2437 ((qt.usedspace != 0xFFFFFFFF)||
2438 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2439 /* more than 32 bits? */
2440 reply_doserror(req, ERRDOS, ERRunknownlevel);
2441 return;
2442 }
2443 #endif /* LARGE_SMB_OFF_T */
2444
2445 /* the soft quotas 8 bytes (uint64_t)*/
2446 qt.softlim = (uint64_t)IVAL(pdata,24);
2447 #ifdef LARGE_SMB_OFF_T
2448 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2449 #else /* LARGE_SMB_OFF_T */
2450 if ((IVAL(pdata,28) != 0)&&
2451 ((qt.softlim != 0xFFFFFFFF)||
2452 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2453 /* more than 32 bits? */
2454 reply_doserror(req, ERRDOS, ERRunknownlevel);
2455 return;
2456 }
2457 #endif /* LARGE_SMB_OFF_T */
2458
2459 /* the hard quotas 8 bytes (uint64_t)*/
2460 qt.hardlim = (uint64_t)IVAL(pdata,32);
2461 #ifdef LARGE_SMB_OFF_T
2462 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2463 #else /* LARGE_SMB_OFF_T */
2464 if ((IVAL(pdata,36) != 0)&&
2465 ((qt.hardlim != 0xFFFFFFFF)||
2466 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2467 /* more than 32 bits? */
2468 reply_doserror(req, ERRDOS, ERRunknownlevel);
2469 return;
2470 }
2471 #endif /* LARGE_SMB_OFF_T */
2472
2473 sid_parse(pdata+40,sid_len,&sid);
2474 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2475
2476 /* 44 unknown bytes left... */
2477
2478 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2479 reply_doserror(req, ERRSRV, ERRerror);
2480 return;
2481 }
2482
2483 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2484 pdata, data_len);
2485 }
2486 #endif /* HAVE_SYS_QUOTAS */
2487
2488 static void handle_nttrans(connection_struct *conn,
2489 struct trans_state *state,
2490 struct smb_request *req)
2491 {
2492 if (Protocol >= PROTOCOL_NT1) {
2493 req->flags2 |= 0x40; /* IS_LONG_NAME */
2494 SSVAL(req->inbuf,smb_flg2,req->flags2);
2495 }
2496
2497
2498 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2499
2500 /* Now we must call the relevant NT_TRANS function */
2501 switch(state->call) {
2502 case NT_TRANSACT_CREATE:
2503 {
2504 START_PROFILE(NT_transact_create);
2505 call_nt_transact_create(
2506 conn, req,
2507 &state->setup, state->setup_count,
2508 &state->param, state->total_param,
2509 &state->data, state->total_data,
2510 state->max_data_return);
2511 END_PROFILE(NT_transact_create);
2512 break;
2513 }
2514
2515 case NT_TRANSACT_IOCTL:
2516 {
2517 START_PROFILE(NT_transact_ioctl);
2518 call_nt_transact_ioctl(
2519 conn, req,
2520 &state->setup, state->setup_count,
2521 &state->param, state->total_param,
2522 &state->data, state->total_data,
2523 state->max_data_return);
2524 END_PROFILE(NT_transact_ioctl);
2525 break;
2526 }
2527
2528 case NT_TRANSACT_SET_SECURITY_DESC:
2529 {
2530 START_PROFILE(NT_transact_set_security_desc);
2531 call_nt_transact_set_security_desc(
2532 conn, req,
2533 &state->setup, state->setup_count,
2534 &state->param, state->total_param,
2535 &state->data, state->total_data,
2536 state->max_data_return);
2537 END_PROFILE(NT_transact_set_security_desc);
2538 break;
2539 }
2540
2541 case NT_TRANSACT_NOTIFY_CHANGE:
2542 {
2543 START_PROFILE(NT_transact_notify_change);
2544 call_nt_transact_notify_change(
2545 conn, req,
2546 &state->setup, state->setup_count,
2547 &state->param, state->total_param,
2548 &state->data, state->total_data,
2549 state->max_data_return,
2550 state->max_param_return);
2551 END_PROFILE(NT_transact_notify_change);
2552 break;
2553 }
2554
2555 case NT_TRANSACT_RENAME:
2556 {
2557 START_PROFILE(NT_transact_rename);
2558 call_nt_transact_rename(
2559 conn, req,
2560 &state->setup, state->setup_count,
2561 &state->param, state->total_param,
2562 &state->data, state->total_data,
2563 state->max_data_return);
2564 END_PROFILE(NT_transact_rename);
2565 break;
2566 }
2567
2568 case NT_TRANSACT_QUERY_SECURITY_DESC:
2569 {
2570 START_PROFILE(NT_transact_query_security_desc);
2571 call_nt_transact_query_security_desc(
2572 conn, req,
2573 &state->setup, state->setup_count,
2574 &state->param, state->total_param,
2575 &state->data, state->total_data,
2576 state->max_data_return);
2577 END_PROFILE(NT_transact_query_security_desc);
2578 break;
2579 }
2580
2581 #ifdef HAVE_SYS_QUOTAS
2582 case NT_TRANSACT_GET_USER_QUOTA:
2583 {
2584 START_PROFILE(NT_transact_get_user_quota);
2585 call_nt_transact_get_user_quota(
2586 conn, req,
2587 &state->setup, state->setup_count,
2588 &state->param, state->total_param,
2589 &state->data, state->total_data,
2590 state->max_data_return);
2591 END_PROFILE(NT_transact_get_user_quota);
2592 break;
2593 }
2594
2595 case NT_TRANSACT_SET_USER_QUOTA:
2596 {
2597 START_PROFILE(NT_transact_set_user_quota);
2598 call_nt_transact_set_user_quota(
2599 conn, req,
2600 &state->setup, state->setup_count,
2601 &state->param, state->total_param,
2602 &state->data, state->total_data,
2603 state->max_data_return);
2604 END_PROFILE(NT_transact_set_user_quota);
2605 break;
2606 }
2607 #endif /* HAVE_SYS_QUOTAS */
2608
2609 default:
2610 /* Error in request */
2611 DEBUG(0,("handle_nttrans: Unknown request %d in "
2612 "nttrans call\n", state->call));
2613 reply_doserror(req, ERRSRV, ERRerror);
2614 return;
2615 }
2616 return;
2617 }
2618
2619 /****************************************************************************
2620 Reply to a SMBNTtrans.
2621 ****************************************************************************/
2622
2623 void reply_nttrans(struct smb_request *req)
2624 {
2625 connection_struct *conn = req->conn;
2626 uint32_t pscnt;
2627 uint32_t psoff;
2628 uint32_t dscnt;
2629 uint32_t dsoff;
2630 uint16 function_code;
2631 NTSTATUS result;
2632 struct trans_state *state;
2633
2634 START_PROFILE(SMBnttrans);
2635
2636 if (req->wct < 19) {
2637 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2638 END_PROFILE(SMBnttrans);
2639 return;
2640 }
2641
2642 pscnt = IVAL(req->vwv+9, 1);
2643 psoff = IVAL(req->vwv+11, 1);
2644 dscnt = IVAL(req->vwv+13, 1);
2645 dsoff = IVAL(req->vwv+15, 1);
2646 function_code = SVAL(req->vwv+18, 0);
2647
2648 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2649 reply_doserror(req, ERRSRV, ERRaccess);
2650 END_PROFILE(SMBnttrans);
2651 return;
2652 }
2653
2654 result = allow_new_trans(conn->pending_trans, req->mid);
2655 if (!NT_STATUS_IS_OK(result)) {
2656 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2657 reply_nterror(req, result);
2658 END_PROFILE(SMBnttrans);
2659 return;
2660 }
2661
2662 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2663 reply_doserror(req, ERRSRV, ERRaccess);
2664 END_PROFILE(SMBnttrans);
2665 return;
2666 }
2667
2668 state->cmd = SMBnttrans;
2669
2670 state->mid = req->mid;
2671 state->vuid = req->vuid;
2672 state->total_data = IVAL(req->vwv+3, 1);
2673 state->data = NULL;
2674 state->total_param = IVAL(req->vwv+1, 1);
2675 state->param = NULL;
2676 state->max_data_return = IVAL(req->vwv+7, 1);
2677 state->max_param_return = IVAL(req->vwv+5, 1);
2678
2679 /* setup count is in *words* */
2680 state->setup_count = 2*CVAL(req->vwv+17, 1);
2681 state->setup = NULL;
2682 state->call = function_code;
2683
2684 DEBUG(10, ("num_setup=%u, "
2685 "param_total=%u, this_param=%u, max_param=%u, "
2686 "data_total=%u, this_data=%u, max_data=%u, "
2687 "param_offset=%u, data_offset=%u\n",
2688 (unsigned)state->setup_count,
2689 (unsigned)state->total_param, (unsigned)pscnt,
2690 (unsigned)state->max_param_return,
2691 (unsigned)state->total_data, (unsigned)dscnt,
2692 (unsigned)state->max_data_return,
2693 (unsigned)psoff, (unsigned)dsoff));
2694
2695 /*
2696 * All nttrans messages we handle have smb_wct == 19 +
2697 * state->setup_count. Ensure this is so as a sanity check.
2698 */
2699
2700 if(req->wct != 19 + (state->setup_count/2)) {
2701 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2702 req->wct, 19 + (state->setup_count/2)));
2703 goto bad_param;
2704 }
2705
2706 /* Don't allow more than 128mb for each value. */
2707 if ((state->total_data > (1024*1024*128)) ||
2708 (state->total_param > (1024*1024*128))) {
2709 reply_doserror(req, ERRDOS, ERRnomem);
2710 END_PROFILE(SMBnttrans);
2711 return;
2712 }
2713
2714 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2715 goto bad_param;
2716
2717 if (state->total_data) {
2718
2719 if (trans_oob(state->total_data, 0, dscnt)
2720 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2721 goto bad_param;
2722 }
2723
2724 /* Can't use talloc here, the core routines do realloc on the
2725 * params and data. */
2726 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2727 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2728 "bytes !\n", (unsigned int)state->total_data));
2729 TALLOC_FREE(state);
2730 reply_doserror(req, ERRDOS, ERRnomem);
2731 END_PROFILE(SMBnttrans);
2732 return;
2733 }
2734
2735 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2736 }
2737
2738 if (state->total_param) {
2739
2740 if (trans_oob(state->total_param, 0, pscnt)
2741 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2742 goto bad_param;
2743 }
2744
2745 /* Can't use talloc here, the core routines do realloc on the
2746 * params and data. */
2747 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2748 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2749 "bytes !\n", (unsigned int)state->total_param));
2750 SAFE_FREE(state->data);
2751 TALLOC_FREE(state);
2752 reply_doserror(req, ERRDOS, ERRnomem);
2753 END_PROFILE(SMBnttrans);
2754 return;
2755 }
2756
2757 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2758 }
2759
2760 state->received_data = dscnt;
2761 state->received_param = pscnt;
2762
2763 if(state->setup_count > 0) {
2764 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2765 state->setup_count));
2766
2767 /*
2768 * No overflow possible here, state->setup_count is an
2769 * unsigned int, being filled by a single byte from
2770 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2771 * below is not necessary, it's here to clarify things. The
2772 * validity of req->vwv and req->wct has been checked in
2773 * init_smb_request already.
2774 */
2775 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2776 goto bad_param;
2777 }
2778
2779 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2780 if (state->setup == NULL) {
2781 DEBUG(0,("reply_nttrans : Out of memory\n"));
2782 SAFE_FREE(state->data);
2783 SAFE_FREE(state->param);
2784 TALLOC_FREE(state);
2785 reply_doserror(req, ERRDOS, ERRnomem);
2786 END_PROFILE(SMBnttrans);
2787 return;
2788 }
2789
2790 memcpy(state->setup, req->vwv+19, state->setup_count);
2791 dump_data(10, (uint8 *)state->setup, state->setup_count);
2792 }
2793
2794 if ((state->received_data == state->total_data) &&
2795 (state->received_param == state->total_param)) {
2796 handle_nttrans(conn, state, req);
2797 SAFE_FREE(state->param);
2798 SAFE_FREE(state->data);
2799 TALLOC_FREE(state);
2800 END_PROFILE(SMBnttrans);
2801 return;
2802 }
2803
2804 DLIST_ADD(conn->pending_trans, state);
2805
2806 /* We need to send an interim response then receive the rest
2807 of the parameter/data bytes */
2808 reply_outbuf(req, 0, 0);
2809 show_msg((char *)req->outbuf);
2810 END_PROFILE(SMBnttrans);
2811 return;
2812
2813 bad_param:
2814
2815 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2816 SAFE_FREE(state->data);
2817 SAFE_FREE(state->param);
2818 TALLOC_FREE(state);
2819 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2820 END_PROFILE(SMBnttrans);
2821 return;
2822 }
2823
2824 /****************************************************************************
2825 Reply to a SMBnttranss
2826 ****************************************************************************/
2827
2828 void reply_nttranss(struct smb_request *req)
2829 {
2830 connection_struct *conn = req->conn;
2831 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2832 struct trans_state *state;
2833
2834 START_PROFILE(SMBnttranss);
2835
2836 show_msg((char *)req->inbuf);
2837
2838 if (req->wct < 18) {
2839 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2840 END_PROFILE(SMBnttranss);
2841 return;
2842 }
2843
2844 for (state = conn->pending_trans; state != NULL;
2845 state = state->next) {
2846 if (state->mid == req->mid) {
2847 break;
2848 }
2849 }
2850
2851 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2852 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2853 END_PROFILE(SMBnttranss);
2854 return;
2855 }
2856
2857 /* Revise state->total_param and state->total_data in case they have
2858 changed downwards */
2859 if (IVAL(req->vwv+1, 1) < state->total_param) {
2860 state->total_param = IVAL(req->vwv+1, 1);
2861 }
2862 if (IVAL(req->vwv+3, 1) < state->total_data) {
2863 state->total_data = IVAL(req->vwv+3, 1);
2864 }
2865
2866 pcnt = IVAL(req->vwv+5, 1);
2867 poff = IVAL(req->vwv+7, 1);
2868 pdisp = IVAL(req->vwv+9, 1);
2869
2870 dcnt = IVAL(req->vwv+11, 1);
2871 doff = IVAL(req->vwv+13, 1);
2872 ddisp = IVAL(req->vwv+15, 1);
2873
2874 state->received_param += pcnt;
2875 state->received_data += dcnt;
2876
2877 if ((state->received_data > state->total_data) ||
2878 (state->received_param > state->total_param))
2879 goto bad_param;
2880
2881 if (pcnt) {
2882 if (trans_oob(state->total_param, pdisp, pcnt)
2883 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
2884 goto bad_param;
2885 }
2886 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
2887 }
2888
2889 if (dcnt) {
2890 if (trans_oob(state->total_data, ddisp, dcnt)
2891 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
2892 goto bad_param;
2893 }
2894 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
2895 }
2896
2897 if ((state->received_param < state->total_param) ||
2898 (state->received_data < state->total_data)) {
2899 END_PROFILE(SMBnttranss);
2900 return;
2901 }
2902
2903 handle_nttrans(conn, state, req);
2904
2905 DLIST_REMOVE(conn->pending_trans, state);
2906 SAFE_FREE(state->data);
2907 SAFE_FREE(state->param);
2908 TALLOC_FREE(state);
2909 END_PROFILE(SMBnttranss);
2910 return;
2911
2912 bad_param:
2913
2914 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2915 DLIST_REMOVE(conn->pending_trans, state);
2916 SAFE_FREE(state->data);
2917 SAFE_FREE(state->param);
2918 TALLOC_FREE(state);
2919 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2920 END_PROFILE(SMBnttranss);
2921 return;
2922 }
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