source: branches/samba-3.2.x/source/smbd/nttrans.c

Last change on this file was 232, checked in by Herwig Bauernfeind, 16 years ago

Update 3.2 branch to 3.2.8
File size: 76.3 KB
RevLine 
[136]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
23extern int max_send;
24extern enum protocol_types Protocol;
25extern struct current_user current_user;
26
27static const char *known_nt_pipes[] = {
28 "\\LANMAN",
29 "\\srvsvc",
30 "\\samr",
31 "\\wkssvc",
32 "\\NETLOGON",
33 "\\ntlsa",
34 "\\ntsvcs",
35 "\\lsass",
36 "\\lsarpc",
37 "\\winreg",
38 "\\initshutdown",
39 "\\spoolss",
40 "\\netdfs",
41 "\\rpcecho",
42 "\\svcctl",
43 "\\eventlog",
44 "\\unixinfo",
45 NULL
46};
47
48static char *nttrans_realloc(char **ptr, size_t size)
49{
50 if (ptr==NULL) {
51 smb_panic("nttrans_realloc() called with NULL ptr");
52 }
53
54 *ptr = (char *)SMB_REALLOC(*ptr, size);
55 if(*ptr == NULL) {
56 return NULL;
57 }
58 memset(*ptr,'\0',size);
59 return *ptr;
60}
61
62/****************************************************************************
63 Send the required number of replies back.
64 We assume all fields other than the data fields are
65 set correctly for the type of call.
66 HACK ! Always assumes smb_setup field is zero.
67****************************************************************************/
68
69void send_nt_replies(connection_struct *conn,
70 struct smb_request *req, NTSTATUS nt_error,
71 char *params, int paramsize,
72 char *pdata, int datasize)
73{
74 int data_to_send = datasize;
75 int params_to_send = paramsize;
76 int useable_space;
77 char *pp = params;
78 char *pd = pdata;
79 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
80 int alignment_offset = 3;
81 int data_alignment_offset = 0;
82
83 /*
84 * If there genuinely are no parameters or data to send just send
85 * the empty packet.
86 */
87
88 if(params_to_send == 0 && data_to_send == 0) {
89 reply_outbuf(req, 18, 0);
90 show_msg((char *)req->outbuf);
91 return;
92 }
93
94 /*
95 * When sending params and data ensure that both are nicely aligned.
96 * Only do this alignment when there is also data to send - else
97 * can cause NT redirector problems.
98 */
99
100 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
101 data_alignment_offset = 4 - (params_to_send % 4);
102 }
103
104 /*
105 * Space is bufsize minus Netbios over TCP header minus SMB header.
106 * The alignment_offset is to align the param bytes on a four byte
107 * boundary (2 bytes for data len, one byte pad).
108 * NT needs this to work correctly.
109 */
110
111 useable_space = max_send - (smb_size
112 + 2 * 18 /* wct */
113 + alignment_offset
114 + data_alignment_offset);
115
[204]116 if (useable_space < 0) {
117 DEBUG(0, ("send_nt_replies failed sanity useable_space "
118 "= %d!!!", useable_space));
119 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
120 }
[136]121
122 while (params_to_send || data_to_send) {
123
124 /*
125 * Calculate whether we will totally or partially fill this packet.
126 */
127
[204]128 total_sent_thistime = params_to_send + data_to_send;
[136]129
130 /*
131 * We can never send more than useable_space.
132 */
133
134 total_sent_thistime = MIN(total_sent_thistime, useable_space);
135
[204]136 reply_outbuf(req, 18,
137 total_sent_thistime + alignment_offset
138 + data_alignment_offset);
[136]139
140 /*
141 * Set total params and data to be sent.
142 */
143
144 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
145 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
146
147 /*
148 * Calculate how many parameters and data we can fit into
149 * this packet. Parameters get precedence.
150 */
151
152 params_sent_thistime = MIN(params_to_send,useable_space);
153 data_sent_thistime = useable_space - params_sent_thistime;
154 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
155
156 SIVAL(req->outbuf, smb_ntr_ParameterCount,
157 params_sent_thistime);
158
159 if(params_sent_thistime == 0) {
160 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
161 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
162 } else {
163 /*
164 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
165 * parameter bytes, however the first 4 bytes of outbuf are
166 * the Netbios over TCP header. Thus use smb_base() to subtract
167 * them from the calculation.
168 */
169
170 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
171 ((smb_buf(req->outbuf)+alignment_offset)
172 - smb_base(req->outbuf)));
173 /*
174 * Absolute displacement of param bytes sent in this packet.
175 */
176
177 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
178 pp - params);
179 }
180
181 /*
182 * Deal with the data portion.
183 */
184
185 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
186
187 if(data_sent_thistime == 0) {
188 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
189 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
190 } else {
191 /*
192 * The offset of the data bytes is the offset of the
193 * parameter bytes plus the number of parameters being sent this time.
194 */
195
196 SIVAL(req->outbuf, smb_ntr_DataOffset,
197 ((smb_buf(req->outbuf)+alignment_offset) -
198 smb_base(req->outbuf))
199 + params_sent_thistime + data_alignment_offset);
200 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
201 }
202
203 /*
204 * Copy the param bytes into the packet.
205 */
206
207 if(params_sent_thistime) {
208 if (alignment_offset != 0) {
209 memset(smb_buf(req->outbuf), 0,
210 alignment_offset);
211 }
212 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
213 params_sent_thistime);
214 }
215
216 /*
217 * Copy in the data bytes
218 */
219
220 if(data_sent_thistime) {
221 if (data_alignment_offset != 0) {
222 memset((smb_buf(req->outbuf)+alignment_offset+
223 params_sent_thistime), 0,
224 data_alignment_offset);
225 }
226 memcpy(smb_buf(req->outbuf)+alignment_offset
227 +params_sent_thistime+data_alignment_offset,
228 pd,data_sent_thistime);
229 }
230
231 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
232 params_sent_thistime, data_sent_thistime, useable_space));
233 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
234 params_to_send, data_to_send, paramsize, datasize));
235
236 if (NT_STATUS_V(nt_error)) {
237 error_packet_set((char *)req->outbuf,
238 0, 0, nt_error,
239 __LINE__,__FILE__);
240 }
241
242 /* Send the packet */
243 show_msg((char *)req->outbuf);
244 if (!srv_send_smb(smbd_server_fd(),
245 (char *)req->outbuf,
246 IS_CONN_ENCRYPTED(conn))) {
247 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
248 }
249
250 TALLOC_FREE(req->outbuf);
251
252 pp += params_sent_thistime;
253 pd += data_sent_thistime;
254
255 params_to_send -= params_sent_thistime;
256 data_to_send -= data_sent_thistime;
257
258 /*
259 * Sanity check
260 */
261
262 if(params_to_send < 0 || data_to_send < 0) {
263 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
264 params_to_send, data_to_send));
[204]265 exit_server_cleanly("send_nt_replies: internal error");
[136]266 }
267 }
268}
269
270/****************************************************************************
271 Is it an NTFS stream name ?
272 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
273 $DATA can be used as both a stream name and a stream type. A missing stream
274 name or type implies $DATA.
275****************************************************************************/
276
277bool is_ntfs_stream_name(const char *fname)
278{
279 if (lp_posix_pathnames()) {
280 return False;
281 }
282 return (strchr_m(fname, ':') != NULL) ? True : False;
283}
284
285/****************************************************************************
286 Reply to an NT create and X call on a pipe
287****************************************************************************/
288
289static void nt_open_pipe(char *fname, connection_struct *conn,
290 struct smb_request *req, int *ppnum)
291{
292 smb_np_struct *p = NULL;
293 int i;
294
295 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
296
297 /* See if it is one we want to handle. */
298
299 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
300 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
301 ERRDOS, ERRbadpipe);
302 return;
303 }
304
305 for( i = 0; known_nt_pipes[i]; i++ ) {
306 if( strequal(fname,known_nt_pipes[i])) {
307 break;
308 }
309 }
310
311 if ( known_nt_pipes[i] == NULL ) {
312 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
313 ERRDOS, ERRbadpipe);
314 return;
315 }
316
317 /* Strip \\ off the name. */
318 fname++;
319
320 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
321
322 p = open_rpc_pipe_p(fname, conn, req->vuid);
323 if (!p) {
324 reply_doserror(req, ERRSRV, ERRnofids);
325 return;
326 }
327
328 /* TODO: Add pipe to db */
329
330 if ( !store_pipe_opendb( p ) ) {
331 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
332 }
333
334 *ppnum = p->pnum;
335 return;
336}
337
338/****************************************************************************
339 Reply to an NT create and X call for pipes.
340****************************************************************************/
341
342static void do_ntcreate_pipe_open(connection_struct *conn,
343 struct smb_request *req)
344{
345 char *fname = NULL;
346 int pnum = -1;
347 char *p = NULL;
348 uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
349 TALLOC_CTX *ctx = talloc_tos();
350
351 srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
352 smb_buf(req->inbuf), STR_TERMINATE);
353
354 if (!fname) {
355 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
356 ERRDOS, ERRbadpipe);
357 return;
358 }
359 nt_open_pipe(fname, conn, req, &pnum);
360
361 if (req->outbuf) {
362 /* error reply */
363 return;
364 }
365
366 /*
367 * Deal with pipe return.
368 */
369
370 if (flags & EXTENDED_RESPONSE_REQUIRED) {
371 /* This is very strange. We
372 * return 50 words, but only set
373 * the wcnt to 42 ? It's definately
374 * what happens on the wire....
375 */
376 reply_outbuf(req, 50, 0);
377 SCVAL(req->outbuf,smb_wct,42);
378 } else {
379 reply_outbuf(req, 34, 0);
380 }
381
382 p = (char *)req->outbuf + smb_vwv2;
383 p++;
384 SSVAL(p,0,pnum);
385 p += 2;
386 SIVAL(p,0,FILE_WAS_OPENED);
387 p += 4;
388 p += 32;
389 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
390 p += 20;
391 /* File type. */
392 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
393 /* Device state. */
394 SSVAL(p,2, 0x5FF); /* ? */
395 p += 4;
396
397 if (flags & EXTENDED_RESPONSE_REQUIRED) {
398 p += 25;
399 SIVAL(p,0,FILE_GENERIC_ALL);
400 /*
401 * For pipes W2K3 seems to return
402 * 0x12019B next.
403 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
404 */
405 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
406 }
407
408 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
409
410 chain_reply(req);
411}
412
413/****************************************************************************
414 Reply to an NT create and X call.
415****************************************************************************/
416
417void reply_ntcreate_and_X(struct smb_request *req)
418{
419 connection_struct *conn = req->conn;
420 char *fname = NULL;
421 uint32 flags;
422 uint32 access_mask;
423 uint32 file_attributes;
424 uint32 share_access;
425 uint32 create_disposition;
426 uint32 create_options;
427 uint16 root_dir_fid;
428 SMB_BIG_UINT allocation_size;
429 /* Breakout the oplock request bits so we can set the
430 reply bits separately. */
431 uint32 fattr=0;
432 SMB_OFF_T file_len = 0;
433 SMB_STRUCT_STAT sbuf;
434 int info = 0;
435 files_struct *fsp = NULL;
436 char *p = NULL;
437 struct timespec c_timespec;
438 struct timespec a_timespec;
439 struct timespec m_timespec;
440 NTSTATUS status;
441 int oplock_request;
442 uint8_t oplock_granted = NO_OPLOCK_RETURN;
443 TALLOC_CTX *ctx = talloc_tos();
444
445 START_PROFILE(SMBntcreateX);
446
447 if (req->wct < 24) {
448 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
449 return;
450 }
451
452 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
453 access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
454 file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
455 share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
456 create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
457 create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
458 root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
459
460 allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,
461 smb_ntcreate_AllocationSize);
462#ifdef LARGE_SMB_OFF_T
463 allocation_size |= (((SMB_BIG_UINT)IVAL(
464 req->inbuf,
465 smb_ntcreate_AllocationSize + 4)) << 32);
466#endif
467
468 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
469 smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
470
471 if (!NT_STATUS_IS_OK(status)) {
472 reply_nterror(req, status);
473 END_PROFILE(SMBntcreateX);
474 return;
475 }
476
477 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
478 "file_attributes = 0x%x, share_access = 0x%x, "
479 "create_disposition = 0x%x create_options = 0x%x "
480 "root_dir_fid = 0x%x, fname = %s\n",
481 (unsigned int)flags,
482 (unsigned int)access_mask,
483 (unsigned int)file_attributes,
484 (unsigned int)share_access,
485 (unsigned int)create_disposition,
486 (unsigned int)create_options,
487 (unsigned int)root_dir_fid,
488 fname));
489
490 /*
[204]491 * we need to remove ignored bits when they come directly from the client
492 * because we reuse some of them for internal stuff
493 */
494 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
495
496 /*
[136]497 * If it's an IPC, use the pipe handler.
498 */
499
500 if (IS_IPC(conn)) {
501 if (lp_nt_pipe_support()) {
502 do_ntcreate_pipe_open(conn, req);
503 END_PROFILE(SMBntcreateX);
504 return;
505 }
506 reply_doserror(req, ERRDOS, ERRnoaccess);
507 END_PROFILE(SMBntcreateX);
508 return;
509 }
510
511 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
512 if (oplock_request) {
513 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
514 ? BATCH_OPLOCK : 0;
515 }
516
517 status = create_file(conn, req, root_dir_fid, fname,
518 access_mask, share_access, create_disposition,
519 create_options, file_attributes, oplock_request,
520 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
521
522 if (!NT_STATUS_IS_OK(status)) {
523 if (open_was_deferred(req->mid)) {
524 /* We have re-scheduled this call, no error. */
525 END_PROFILE(SMBntcreateX);
526 return;
527 }
528 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
529 reply_botherror(req, status, ERRDOS, ERRfilexists);
530 }
531 else {
532 reply_nterror(req, status);
533 }
534 END_PROFILE(SMBntcreateX);
535 return;
536 }
537
538 /*
539 * If the caller set the extended oplock request bit
540 * and we granted one (by whatever means) - set the
541 * correct bit for extended oplock reply.
542 */
543
544 if (oplock_request &&
545 (lp_fake_oplocks(SNUM(conn))
546 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
547
548 /*
549 * Exclusive oplock granted
550 */
551
552 if (flags & REQUEST_BATCH_OPLOCK) {
553 oplock_granted = BATCH_OPLOCK_RETURN;
554 } else {
555 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
556 }
557 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
558 oplock_granted = LEVEL_II_OPLOCK_RETURN;
559 } else {
560 oplock_granted = NO_OPLOCK_RETURN;
561 }
562
563 file_len = sbuf.st_size;
564 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
565 if (fattr == 0) {
566 fattr = FILE_ATTRIBUTE_NORMAL;
567 }
568
569 if (flags & EXTENDED_RESPONSE_REQUIRED) {
570 /* This is very strange. We
571 * return 50 words, but only set
572 * the wcnt to 42 ? It's definately
573 * what happens on the wire....
574 */
575 reply_outbuf(req, 50, 0);
576 SCVAL(req->outbuf,smb_wct,42);
577 } else {
578 reply_outbuf(req, 34, 0);
579 }
580
581 p = (char *)req->outbuf + smb_vwv2;
582
583 SCVAL(p, 0, oplock_granted);
584
585 p++;
586 SSVAL(p,0,fsp->fnum);
587 p += 2;
588 if ((create_disposition == FILE_SUPERSEDE)
589 && (info == FILE_WAS_OVERWRITTEN)) {
590 SIVAL(p,0,FILE_WAS_SUPERSEDED);
591 } else {
592 SIVAL(p,0,info);
593 }
594 p += 4;
595
596 /* Create time. */
597 c_timespec = get_create_timespec(
598 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
599 a_timespec = get_atimespec(&sbuf);
600 m_timespec = get_mtimespec(&sbuf);
601
602 if (lp_dos_filetime_resolution(SNUM(conn))) {
603 dos_filetime_timespec(&c_timespec);
604 dos_filetime_timespec(&a_timespec);
605 dos_filetime_timespec(&m_timespec);
606 }
607
608 put_long_date_timespec(p, c_timespec); /* create time. */
609 p += 8;
610 put_long_date_timespec(p, a_timespec); /* access time */
611 p += 8;
612 put_long_date_timespec(p, m_timespec); /* write time */
613 p += 8;
614 put_long_date_timespec(p, m_timespec); /* change time */
615 p += 8;
616 SIVAL(p,0,fattr); /* File Attributes. */
617 p += 4;
618 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
619 p += 8;
620 SOFF_T(p,0,file_len);
621 p += 8;
622 if (flags & EXTENDED_RESPONSE_REQUIRED) {
623 SSVAL(p,2,0x7);
624 }
625 p += 4;
626 SCVAL(p,0,fsp->is_directory ? 1 : 0);
627
628 if (flags & EXTENDED_RESPONSE_REQUIRED) {
629 uint32 perms = 0;
630 p += 25;
631 if (fsp->is_directory
632 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
633 perms = FILE_GENERIC_ALL;
634 } else {
635 perms = FILE_GENERIC_READ|FILE_EXECUTE;
636 }
637 SIVAL(p,0,perms);
638 }
639
640 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
641 fsp->fnum, fsp->fsp_name));
642
643 chain_reply(req);
644 END_PROFILE(SMBntcreateX);
645 return;
646}
647
648/****************************************************************************
649 Reply to a NT_TRANSACT_CREATE call to open a pipe.
650****************************************************************************/
651
652static void do_nt_transact_create_pipe(connection_struct *conn,
653 struct smb_request *req,
654 uint16 **ppsetup, uint32 setup_count,
655 char **ppparams, uint32 parameter_count,
656 char **ppdata, uint32 data_count)
657{
658 char *fname = NULL;
659 char *params = *ppparams;
660 int pnum = -1;
661 char *p = NULL;
662 NTSTATUS status;
663 size_t param_len;
664 uint32 flags;
665 TALLOC_CTX *ctx = talloc_tos();
666
667 /*
668 * Ensure minimum number of parameters sent.
669 */
670
671 if(parameter_count < 54) {
672 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
673 reply_doserror(req, ERRDOS, ERRnoaccess);
674 return;
675 }
676
677 flags = IVAL(params,0);
678
679 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
680 parameter_count-53, STR_TERMINATE,
681 &status);
682 if (!NT_STATUS_IS_OK(status)) {
683 reply_nterror(req, status);
684 return;
685 }
686
687 nt_open_pipe(fname, conn, req, &pnum);
688
689 if (req->outbuf) {
690 /* Error return */
691 return;
692 }
693
694 /* Realloc the size of parameters and data we will return */
695 if (flags & EXTENDED_RESPONSE_REQUIRED) {
696 /* Extended response is 32 more byyes. */
697 param_len = 101;
698 } else {
699 param_len = 69;
700 }
701 params = nttrans_realloc(ppparams, param_len);
702 if(params == NULL) {
703 reply_doserror(req, ERRDOS, ERRnomem);
704 return;
705 }
706
707 p = params;
708 SCVAL(p,0,NO_OPLOCK_RETURN);
709
710 p += 2;
711 SSVAL(p,0,pnum);
712 p += 2;
713 SIVAL(p,0,FILE_WAS_OPENED);
714 p += 8;
715
716 p += 32;
717 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
718 p += 20;
719 /* File type. */
720 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
721 /* Device state. */
722 SSVAL(p,2, 0x5FF); /* ? */
723 p += 4;
724
725 if (flags & EXTENDED_RESPONSE_REQUIRED) {
726 p += 25;
727 SIVAL(p,0,FILE_GENERIC_ALL);
728 /*
729 * For pipes W2K3 seems to return
730 * 0x12019B next.
731 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
732 */
733 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
734 }
735
736 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
737
738 /* Send the required number of replies */
739 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
740
741 return;
742}
743
744/****************************************************************************
745 Internal fn to set security descriptors.
746****************************************************************************/
747
748static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
749 uint32 security_info_sent)
750{
751 SEC_DESC *psd = NULL;
752 NTSTATUS status;
753
754 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
755 return NT_STATUS_OK;
756 }
757
758 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
759
760 if (!NT_STATUS_IS_OK(status)) {
761 return status;
762 }
763
764 if (psd->owner_sid==0) {
765 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
766 }
767 if (psd->group_sid==0) {
768 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
769 }
770 if (psd->sacl==0) {
771 security_info_sent &= ~SACL_SECURITY_INFORMATION;
772 }
773 if (psd->dacl==0) {
774 security_info_sent &= ~DACL_SECURITY_INFORMATION;
775 }
776
[228]777 if (DEBUGLEVEL >= 10) {
778 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
779 NDR_PRINT_DEBUG(security_descriptor, psd);
780 }
781
[136]782 if (fsp->fh->fd != -1) {
783 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
784 }
785 else {
786 status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name,
787 security_info_sent, psd);
788 }
789
790 TALLOC_FREE(psd);
791
792 return status;
793}
794
795/****************************************************************************
796 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
797****************************************************************************/
798
799static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
800{
801 struct ea_list *ea_list_head = NULL;
802 size_t offset = 0;
803
804 if (data_size < 4) {
805 return NULL;
806 }
807
808 while (offset + 4 <= data_size) {
809 size_t next_offset = IVAL(pdata,offset);
810 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
811
812 if (!eal) {
813 return NULL;
814 }
815
816 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
817 if (next_offset == 0) {
818 break;
819 }
820 offset += next_offset;
821 }
822
823 return ea_list_head;
824}
825
826/****************************************************************************
827 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
828****************************************************************************/
829
830static void call_nt_transact_create(connection_struct *conn,
831 struct smb_request *req,
832 uint16 **ppsetup, uint32 setup_count,
833 char **ppparams, uint32 parameter_count,
834 char **ppdata, uint32 data_count,
835 uint32 max_data_count)
836{
837 char *fname = NULL;
838 char *params = *ppparams;
839 char *data = *ppdata;
840 /* Breakout the oplock request bits so we can set the reply bits separately. */
841 uint32 fattr=0;
842 SMB_OFF_T file_len = 0;
843 SMB_STRUCT_STAT sbuf;
844 int info = 0;
845 files_struct *fsp = NULL;
846 char *p = NULL;
847 uint32 flags;
848 uint32 access_mask;
849 uint32 file_attributes;
850 uint32 share_access;
851 uint32 create_disposition;
852 uint32 create_options;
853 uint32 sd_len;
854 struct security_descriptor *sd = NULL;
855 uint32 ea_len;
856 uint16 root_dir_fid;
857 struct timespec c_timespec;
858 struct timespec a_timespec;
859 struct timespec m_timespec;
860 struct ea_list *ea_list = NULL;
861 NTSTATUS status;
862 size_t param_len;
863 SMB_BIG_UINT allocation_size;
864 int oplock_request;
865 uint8_t oplock_granted;
866 TALLOC_CTX *ctx = talloc_tos();
867
868 DEBUG(5,("call_nt_transact_create\n"));
869
870 /*
871 * If it's an IPC, use the pipe handler.
872 */
873
874 if (IS_IPC(conn)) {
875 if (lp_nt_pipe_support()) {
876 do_nt_transact_create_pipe(
877 conn, req,
878 ppsetup, setup_count,
879 ppparams, parameter_count,
880 ppdata, data_count);
881 return;
882 }
883 reply_doserror(req, ERRDOS, ERRnoaccess);
884 return;
885 }
886
887 /*
888 * Ensure minimum number of parameters sent.
889 */
890
891 if(parameter_count < 54) {
892 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
893 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
894 return;
895 }
896
897 flags = IVAL(params,0);
898 access_mask = IVAL(params,8);
899 file_attributes = IVAL(params,20);
900 share_access = IVAL(params,24);
901 create_disposition = IVAL(params,28);
902 create_options = IVAL(params,32);
903 sd_len = IVAL(params,36);
904 ea_len = IVAL(params,40);
905 root_dir_fid = (uint16)IVAL(params,4);
906 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
907#ifdef LARGE_SMB_OFF_T
908 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
909#endif
910
[204]911 /*
912 * we need to remove ignored bits when they come directly from the client
913 * because we reuse some of them for internal stuff
914 */
915 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
916
[136]917 /* Ensure the data_len is correct for the sd and ea values given. */
918 if ((ea_len + sd_len > data_count)
919 || (ea_len > data_count) || (sd_len > data_count)
920 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
921 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
922 "%u, data_count = %u\n", (unsigned int)ea_len,
923 (unsigned int)sd_len, (unsigned int)data_count));
924 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
925 return;
926 }
927
928 if (sd_len) {
929 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
930 sd_len));
931
932 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
933 &sd);
934 if (!NT_STATUS_IS_OK(status)) {
935 DEBUG(10, ("call_nt_transact_create: "
936 "unmarshall_sec_desc failed: %s\n",
937 nt_errstr(status)));
938 reply_nterror(req, status);
939 return;
940 }
941 }
942
943 if (ea_len) {
944 if (!lp_ea_support(SNUM(conn))) {
945 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
946 "EA's not supported.\n",
947 (unsigned int)ea_len));
948 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
949 return;
950 }
951
952 if (ea_len < 10) {
953 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
954 "too small (should be more than 10)\n",
955 (unsigned int)ea_len ));
956 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
957 return;
958 }
959
960 /* We have already checked that ea_len <= data_count here. */
961 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
962 ea_len);
963 if (ea_list == NULL) {
964 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
965 return;
966 }
967 }
968
969 srvstr_get_path(ctx, params, req->flags2, &fname,
970 params+53, parameter_count-53,
971 STR_TERMINATE, &status);
972 if (!NT_STATUS_IS_OK(status)) {
973 reply_nterror(req, status);
974 return;
975 }
976
977 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
978 if (oplock_request) {
979 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
980 ? BATCH_OPLOCK : 0;
981 }
982
983 status = create_file(conn, req, root_dir_fid, fname,
984 access_mask, share_access, create_disposition,
985 create_options, file_attributes, oplock_request,
986 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
987
988 if(!NT_STATUS_IS_OK(status)) {
989 if (open_was_deferred(req->mid)) {
990 /* We have re-scheduled this call, no error. */
991 return;
992 }
993 reply_openerror(req, status);
994 return;
995 }
996
997 /*
998 * If the caller set the extended oplock request bit
999 * and we granted one (by whatever means) - set the
1000 * correct bit for extended oplock reply.
1001 */
1002
1003 if (oplock_request &&
1004 (lp_fake_oplocks(SNUM(conn))
1005 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1006
1007 /*
1008 * Exclusive oplock granted
1009 */
1010
1011 if (flags & REQUEST_BATCH_OPLOCK) {
1012 oplock_granted = BATCH_OPLOCK_RETURN;
1013 } else {
1014 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1015 }
1016 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1017 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1018 } else {
1019 oplock_granted = NO_OPLOCK_RETURN;
1020 }
1021
1022 file_len = sbuf.st_size;
1023 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1024 if (fattr == 0) {
1025 fattr = FILE_ATTRIBUTE_NORMAL;
1026 }
1027
1028 /* Realloc the size of parameters and data we will return */
1029 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1030 /* Extended response is 32 more byyes. */
1031 param_len = 101;
1032 } else {
1033 param_len = 69;
1034 }
1035 params = nttrans_realloc(ppparams, param_len);
1036 if(params == NULL) {
1037 reply_doserror(req, ERRDOS, ERRnomem);
1038 return;
1039 }
1040
1041 p = params;
1042 SCVAL(p, 0, oplock_granted);
1043
1044 p += 2;
1045 SSVAL(p,0,fsp->fnum);
1046 p += 2;
1047 if ((create_disposition == FILE_SUPERSEDE)
1048 && (info == FILE_WAS_OVERWRITTEN)) {
1049 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1050 } else {
1051 SIVAL(p,0,info);
1052 }
1053 p += 8;
1054
1055 /* Create time. */
1056 c_timespec = get_create_timespec(
1057 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1058 a_timespec = get_atimespec(&sbuf);
1059 m_timespec = get_mtimespec(&sbuf);
1060
1061 if (lp_dos_filetime_resolution(SNUM(conn))) {
1062 dos_filetime_timespec(&c_timespec);
1063 dos_filetime_timespec(&a_timespec);
1064 dos_filetime_timespec(&m_timespec);
1065 }
1066
1067 put_long_date_timespec(p, c_timespec); /* create time. */
1068 p += 8;
1069 put_long_date_timespec(p, a_timespec); /* access time */
1070 p += 8;
1071 put_long_date_timespec(p, m_timespec); /* write time */
1072 p += 8;
1073 put_long_date_timespec(p, m_timespec); /* change time */
1074 p += 8;
1075 SIVAL(p,0,fattr); /* File Attributes. */
1076 p += 4;
1077 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1078 p += 8;
1079 SOFF_T(p,0,file_len);
1080 p += 8;
1081 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1082 SSVAL(p,2,0x7);
1083 }
1084 p += 4;
1085 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1086
1087 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1088 uint32 perms = 0;
1089 p += 25;
1090 if (fsp->is_directory
1091 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1092 perms = FILE_GENERIC_ALL;
1093 } else {
1094 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1095 }
1096 SIVAL(p,0,perms);
1097 }
1098
1099 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1100
1101 /* Send the required number of replies */
1102 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1103
1104 return;
1105}
1106
1107/****************************************************************************
1108 Reply to a NT CANCEL request.
1109 conn POINTER CAN BE NULL HERE !
1110****************************************************************************/
1111
1112void reply_ntcancel(struct smb_request *req)
1113{
1114 /*
1115 * Go through and cancel any pending change notifies.
1116 */
1117
1118 START_PROFILE(SMBntcancel);
1119 remove_pending_change_notify_requests_by_mid(req->mid);
1120 remove_pending_lock_requests_by_mid(req->mid);
1121 srv_cancel_sign_response(req->mid);
1122
1123 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1124
1125 END_PROFILE(SMBntcancel);
1126 return;
1127}
1128
1129/****************************************************************************
1130 Copy a file.
1131****************************************************************************/
1132
1133static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1134 connection_struct *conn,
1135 struct smb_request *req,
1136 const char *oldname_in,
1137 const char *newname_in,
1138 uint32 attrs)
1139{
1140 SMB_STRUCT_STAT sbuf1, sbuf2;
1141 char *oldname = NULL;
1142 char *newname = NULL;
1143 char *last_component_oldname = NULL;
1144 char *last_component_newname = NULL;
1145 files_struct *fsp1,*fsp2;
1146 uint32 fattr;
1147 int info;
1148 SMB_OFF_T ret=-1;
1149 NTSTATUS status = NT_STATUS_OK;
1150
1151 ZERO_STRUCT(sbuf1);
1152 ZERO_STRUCT(sbuf2);
1153
1154 if (!CAN_WRITE(conn)) {
1155 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1156 }
1157
1158 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1159 &last_component_oldname, &sbuf1);
1160 if (!NT_STATUS_IS_OK(status)) {
1161 return status;
1162 }
1163
1164 status = check_name(conn, oldname);
1165 if (!NT_STATUS_IS_OK(status)) {
1166 return status;
1167 }
1168
1169 /* Source must already exist. */
1170 if (!VALID_STAT(sbuf1)) {
1171 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1172 }
1173 /* Ensure attributes match. */
1174 fattr = dos_mode(conn,oldname,&sbuf1);
1175 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1176 return NT_STATUS_NO_SUCH_FILE;
1177 }
1178
1179 status = unix_convert(ctx, conn, newname_in, False, &newname,
1180 &last_component_newname, &sbuf2);
1181 if (!NT_STATUS_IS_OK(status)) {
1182 return status;
1183 }
1184
1185 status = check_name(conn, newname);
1186 if (!NT_STATUS_IS_OK(status)) {
1187 return status;
1188 }
1189
1190 /* Disallow if newname already exists. */
1191 if (VALID_STAT(sbuf2)) {
1192 return NT_STATUS_OBJECT_NAME_COLLISION;
1193 }
1194
1195 /* No links from a directory. */
1196 if (S_ISDIR(sbuf1.st_mode)) {
1197 return NT_STATUS_FILE_IS_A_DIRECTORY;
1198 }
1199
1200 /* Ensure this is within the share. */
1201 status = check_reduced_name(conn, oldname);
1202 if (!NT_STATUS_IS_OK(status)) {
1203 return status;
1204 }
1205
1206 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1207 oldname, newname));
1208
1209 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1210 FILE_READ_DATA, /* Read-only. */
1211 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1212 FILE_OPEN,
1213 0, /* No create options. */
1214 FILE_ATTRIBUTE_NORMAL,
1215 NO_OPLOCK,
1216 &info, &fsp1);
1217
1218 if (!NT_STATUS_IS_OK(status)) {
1219 return status;
1220 }
1221
1222 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1223 FILE_WRITE_DATA, /* Read-only. */
1224 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1225 FILE_CREATE,
1226 0, /* No create options. */
1227 fattr,
1228 NO_OPLOCK,
1229 &info, &fsp2);
1230
1231 if (!NT_STATUS_IS_OK(status)) {
1232 close_file(fsp1,ERROR_CLOSE);
1233 return status;
1234 }
1235
1236 if (sbuf1.st_size) {
1237 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1238 }
1239
1240 /*
1241 * As we are opening fsp1 read-only we only expect
1242 * an error on close on fsp2 if we are out of space.
1243 * Thus we don't look at the error return from the
1244 * close of fsp1.
1245 */
1246 close_file(fsp1,NORMAL_CLOSE);
1247
1248 /* Ensure the modtime is set correctly on the destination file. */
1249 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1250
1251 status = close_file(fsp2,NORMAL_CLOSE);
1252
1253 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1254 creates the file. This isn't the correct thing to do in the copy
1255 case. JRA */
1256 file_set_dosmode(conn, newname, fattr, &sbuf2,
1257 parent_dirname(newname),false);
1258
1259 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1260 return NT_STATUS_DISK_FULL;
1261 }
1262
1263 if (!NT_STATUS_IS_OK(status)) {
1264 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1265 nt_errstr(status), oldname, newname));
1266 }
1267 return status;
1268}
1269
1270/****************************************************************************
1271 Reply to a NT rename request.
1272****************************************************************************/
1273
1274void reply_ntrename(struct smb_request *req)
1275{
1276 connection_struct *conn = req->conn;
1277 char *oldname = NULL;
1278 char *newname = NULL;
1279 char *p;
1280 NTSTATUS status;
1281 bool src_has_wcard = False;
1282 bool dest_has_wcard = False;
1283 uint32 attrs;
1284 uint16 rename_type;
1285 TALLOC_CTX *ctx = talloc_tos();
1286
1287 START_PROFILE(SMBntrename);
1288
1289 if (req->wct < 4) {
1290 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1291 END_PROFILE(SMBntrename);
1292 return;
1293 }
1294
1295 attrs = SVAL(req->inbuf,smb_vwv0);
1296 rename_type = SVAL(req->inbuf,smb_vwv1);
1297
1298 p = smb_buf(req->inbuf) + 1;
1299 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1300 0, STR_TERMINATE, &status,
1301 &src_has_wcard);
1302 if (!NT_STATUS_IS_OK(status)) {
1303 reply_nterror(req, status);
1304 END_PROFILE(SMBntrename);
1305 return;
1306 }
1307
1308 if (ms_has_wild(oldname)) {
1309 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1310 END_PROFILE(SMBntrename);
1311 return;
1312 }
1313
1314 p++;
1315 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1316 0, STR_TERMINATE, &status,
1317 &dest_has_wcard);
1318 if (!NT_STATUS_IS_OK(status)) {
1319 reply_nterror(req, status);
1320 END_PROFILE(SMBntrename);
1321 return;
1322 }
1323
1324 status = resolve_dfspath(ctx, conn,
1325 req->flags2 & FLAGS2_DFS_PATHNAMES,
1326 oldname,
1327 &oldname);
1328 if (!NT_STATUS_IS_OK(status)) {
1329 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1330 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1331 ERRSRV, ERRbadpath);
1332 END_PROFILE(SMBntrename);
1333 return;
1334 }
1335 reply_nterror(req, status);
1336 END_PROFILE(SMBntrename);
1337 return;
1338 }
1339
1340 status = resolve_dfspath(ctx, conn,
1341 req->flags2 & FLAGS2_DFS_PATHNAMES,
1342 newname,
1343 &newname);
1344 if (!NT_STATUS_IS_OK(status)) {
1345 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1346 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1347 ERRSRV, ERRbadpath);
1348 END_PROFILE(SMBntrename);
1349 return;
1350 }
1351 reply_nterror(req, status);
1352 END_PROFILE(SMBntrename);
1353 return;
1354 }
1355
[232]1356 /* The new name must begin with a ':' if the old name is a stream. */
1357 if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
1358 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1359 END_PROFILE(SMBntrename);
1360 return;
1361 }
1362
[136]1363 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1364
1365 switch(rename_type) {
1366 case RENAME_FLAG_RENAME:
1367 status = rename_internals(ctx, conn, req, oldname,
1368 newname, attrs, False, src_has_wcard,
1369 dest_has_wcard, DELETE_ACCESS);
1370 break;
1371 case RENAME_FLAG_HARD_LINK:
1372 if (src_has_wcard || dest_has_wcard) {
1373 /* No wildcards. */
1374 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1375 } else {
1376 status = hardlink_internals(ctx,
1377 conn,
1378 oldname,
1379 newname);
1380 }
1381 break;
1382 case RENAME_FLAG_COPY:
1383 if (src_has_wcard || dest_has_wcard) {
1384 /* No wildcards. */
1385 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1386 } else {
1387 status = copy_internals(ctx, conn, req, oldname,
1388 newname, attrs);
1389 }
1390 break;
1391 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1392 status = NT_STATUS_INVALID_PARAMETER;
1393 break;
1394 default:
1395 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1396 break;
1397 }
1398
1399 if (!NT_STATUS_IS_OK(status)) {
1400 if (open_was_deferred(req->mid)) {
1401 /* We have re-scheduled this call. */
1402 END_PROFILE(SMBntrename);
1403 return;
1404 }
1405
1406 reply_nterror(req, status);
1407 END_PROFILE(SMBntrename);
1408 return;
1409 }
1410
1411 reply_outbuf(req, 0, 0);
1412
1413 END_PROFILE(SMBntrename);
1414 return;
1415}
1416
1417/****************************************************************************
1418 Reply to a notify change - queue the request and
1419 don't allow a directory to be opened.
1420****************************************************************************/
1421
1422static void call_nt_transact_notify_change(connection_struct *conn,
1423 struct smb_request *req,
1424 uint16 **ppsetup,
1425 uint32 setup_count,
1426 char **ppparams,
1427 uint32 parameter_count,
1428 char **ppdata, uint32 data_count,
1429 uint32 max_data_count,
1430 uint32 max_param_count)
1431{
1432 uint16 *setup = *ppsetup;
1433 files_struct *fsp;
1434 uint32 filter;
1435 NTSTATUS status;
1436 bool recursive;
1437
1438 if(setup_count < 6) {
1439 reply_doserror(req, ERRDOS, ERRbadfunc);
1440 return;
1441 }
1442
1443 fsp = file_fsp(SVAL(setup,4));
1444 filter = IVAL(setup, 0);
1445 recursive = (SVAL(setup, 6) != 0) ? True : False;
1446
1447 DEBUG(3,("call_nt_transact_notify_change\n"));
1448
1449 if(!fsp) {
1450 reply_doserror(req, ERRDOS, ERRbadfid);
1451 return;
1452 }
1453
1454 {
1455 char *filter_string;
1456
1457 if (!(filter_string = notify_filter_string(NULL, filter))) {
1458 reply_nterror(req,NT_STATUS_NO_MEMORY);
1459 return;
1460 }
1461
1462 DEBUG(3,("call_nt_transact_notify_change: notify change "
1463 "called on %s, filter = %s, recursive = %d\n",
1464 fsp->fsp_name, filter_string, recursive));
1465
1466 TALLOC_FREE(filter_string);
1467 }
1468
1469 if((!fsp->is_directory) || (conn != fsp->conn)) {
1470 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1471 return;
1472 }
1473
1474 if (fsp->notify == NULL) {
1475
1476 status = change_notify_create(fsp, filter, recursive);
1477
1478 if (!NT_STATUS_IS_OK(status)) {
1479 DEBUG(10, ("change_notify_create returned %s\n",
1480 nt_errstr(status)));
1481 reply_nterror(req, status);
1482 return;
1483 }
1484 }
1485
1486 if (fsp->notify->num_changes != 0) {
1487
1488 /*
1489 * We've got changes pending, respond immediately
1490 */
1491
1492 /*
1493 * TODO: write a torture test to check the filtering behaviour
1494 * here.
1495 */
1496
1497 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1498
1499 /*
1500 * change_notify_reply() above has independently sent its
1501 * results
1502 */
1503 return;
1504 }
1505
1506 /*
1507 * No changes pending, queue the request
1508 */
1509
1510 status = change_notify_add_request(req,
1511 max_param_count,
1512 filter,
1513 recursive, fsp);
1514 if (!NT_STATUS_IS_OK(status)) {
1515 reply_nterror(req, status);
1516 }
1517 return;
1518}
1519
1520/****************************************************************************
1521 Reply to an NT transact rename command.
1522****************************************************************************/
1523
1524static void call_nt_transact_rename(connection_struct *conn,
1525 struct smb_request *req,
1526 uint16 **ppsetup, uint32 setup_count,
1527 char **ppparams, uint32 parameter_count,
1528 char **ppdata, uint32 data_count,
1529 uint32 max_data_count)
1530{
1531 char *params = *ppparams;
1532 char *new_name = NULL;
1533 files_struct *fsp = NULL;
1534 bool dest_has_wcard = False;
1535 NTSTATUS status;
1536 TALLOC_CTX *ctx = talloc_tos();
1537
1538 if(parameter_count < 5) {
1539 reply_doserror(req, ERRDOS, ERRbadfunc);
1540 return;
1541 }
1542
1543 fsp = file_fsp(SVAL(params, 0));
1544 if (!check_fsp(conn, req, fsp, &current_user)) {
1545 return;
1546 }
1547 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1548 parameter_count - 4,
1549 STR_TERMINATE, &status, &dest_has_wcard);
1550 if (!NT_STATUS_IS_OK(status)) {
1551 reply_nterror(req, status);
1552 return;
1553 }
1554
1555 /*
1556 * W2K3 ignores this request as the RAW-RENAME test
1557 * demonstrates, so we do.
1558 */
1559 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1560
1561 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1562 fsp->fsp_name, new_name));
1563
1564 return;
1565}
1566
1567/******************************************************************************
1568 Fake up a completely empty SD.
1569*******************************************************************************/
1570
1571static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1572{
1573 size_t sd_size;
1574
1575 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1576 if(!*ppsd) {
1577 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1578 return NT_STATUS_NO_MEMORY;
1579 }
1580
1581 return NT_STATUS_OK;
1582}
1583
1584/****************************************************************************
1585 Reply to query a security descriptor.
1586****************************************************************************/
1587
1588static void call_nt_transact_query_security_desc(connection_struct *conn,
1589 struct smb_request *req,
1590 uint16 **ppsetup,
1591 uint32 setup_count,
1592 char **ppparams,
1593 uint32 parameter_count,
1594 char **ppdata,
1595 uint32 data_count,
1596 uint32 max_data_count)
1597{
1598 char *params = *ppparams;
1599 char *data = *ppdata;
1600 SEC_DESC *psd = NULL;
1601 size_t sd_size;
1602 uint32 security_info_wanted;
1603 files_struct *fsp = NULL;
1604 NTSTATUS status;
1605 DATA_BLOB blob;
1606
1607 if(parameter_count < 8) {
1608 reply_doserror(req, ERRDOS, ERRbadfunc);
1609 return;
1610 }
1611
1612 fsp = file_fsp(SVAL(params,0));
1613 if(!fsp) {
1614 reply_doserror(req, ERRDOS, ERRbadfid);
1615 return;
1616 }
1617
1618 security_info_wanted = IVAL(params,4);
1619
1620 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1621 (unsigned int)security_info_wanted ));
1622
1623 params = nttrans_realloc(ppparams, 4);
1624 if(params == NULL) {
1625 reply_doserror(req, ERRDOS, ERRnomem);
1626 return;
1627 }
1628
1629 /*
1630 * Get the permissions to return.
1631 */
1632
1633 if (!lp_nt_acl_support(SNUM(conn))) {
1634 status = get_null_nt_acl(talloc_tos(), &psd);
1635 } else {
1636 if (fsp->fh->fd != -1) {
1637 status = SMB_VFS_FGET_NT_ACL(
1638 fsp, security_info_wanted, &psd);
1639 }
1640 else {
1641 status = SMB_VFS_GET_NT_ACL(
1642 conn, fsp->fsp_name, security_info_wanted, &psd);
1643 }
1644 }
1645
1646 if (!NT_STATUS_IS_OK(status)) {
1647 reply_nterror(req, status);
1648 return;
1649 }
1650
1651 sd_size = ndr_size_security_descriptor(psd, 0);
1652
1653 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1654
[228]1655 if (DEBUGLEVEL >= 10) {
1656 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name ));
1657 NDR_PRINT_DEBUG(security_descriptor, psd);
1658 }
1659
[136]1660 SIVAL(params,0,(uint32)sd_size);
1661
1662 if (max_data_count < sd_size) {
1663 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1664 params, 4, *ppdata, 0);
1665 return;
1666 }
1667
1668 /*
1669 * Allocate the data we will point this at.
1670 */
1671
1672 data = nttrans_realloc(ppdata, sd_size);
1673 if(data == NULL) {
1674 reply_doserror(req, ERRDOS, ERRnomem);
1675 return;
1676 }
1677
1678 status = marshall_sec_desc(talloc_tos(), psd,
1679 &blob.data, &blob.length);
1680
1681 if (!NT_STATUS_IS_OK(status)) {
1682 reply_nterror(req, status);
1683 return;
1684 }
1685
1686 SMB_ASSERT(sd_size == blob.length);
1687 memcpy(data, blob.data, sd_size);
1688
1689 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1690
1691 return;
1692}
1693
1694/****************************************************************************
1695 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1696****************************************************************************/
1697
1698static void call_nt_transact_set_security_desc(connection_struct *conn,
1699 struct smb_request *req,
1700 uint16 **ppsetup,
1701 uint32 setup_count,
1702 char **ppparams,
1703 uint32 parameter_count,
1704 char **ppdata,
1705 uint32 data_count,
1706 uint32 max_data_count)
1707{
1708 char *params= *ppparams;
1709 char *data = *ppdata;
1710 files_struct *fsp = NULL;
1711 uint32 security_info_sent = 0;
1712 NTSTATUS status;
1713
1714 if(parameter_count < 8) {
1715 reply_doserror(req, ERRDOS, ERRbadfunc);
1716 return;
1717 }
1718
1719 if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1720 reply_doserror(req, ERRDOS, ERRbadfid);
1721 return;
1722 }
1723
1724 if(!lp_nt_acl_support(SNUM(conn))) {
1725 goto done;
1726 }
1727
1728 security_info_sent = IVAL(params,4);
1729
1730 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1731 (unsigned int)security_info_sent ));
1732
1733 if (data_count == 0) {
1734 reply_doserror(req, ERRDOS, ERRnoaccess);
1735 return;
1736 }
1737
1738 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1739
1740 if (!NT_STATUS_IS_OK(status)) {
1741 reply_nterror(req, status);
1742 return;
1743 }
1744
1745 done:
1746 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1747 return;
1748}
1749
1750/****************************************************************************
1751 Reply to NT IOCTL
1752****************************************************************************/
1753
1754static void call_nt_transact_ioctl(connection_struct *conn,
1755 struct smb_request *req,
1756 uint16 **ppsetup, uint32 setup_count,
1757 char **ppparams, uint32 parameter_count,
1758 char **ppdata, uint32 data_count,
1759 uint32 max_data_count)
1760{
1761 uint32 function;
1762 uint16 fidnum;
1763 files_struct *fsp;
1764 uint8 isFSctl;
1765 uint8 compfilter;
1766 static bool logged_message;
1767 char *pdata = *ppdata;
1768
1769 if (setup_count != 8) {
1770 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1771 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1772 return;
1773 }
1774
1775 function = IVAL(*ppsetup, 0);
1776 fidnum = SVAL(*ppsetup, 4);
1777 isFSctl = CVAL(*ppsetup, 6);
1778 compfilter = CVAL(*ppsetup, 7);
1779
1780 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1781 function, fidnum, isFSctl, compfilter));
1782
1783 fsp=file_fsp(fidnum);
1784 /* this check is done in each implemented function case for now
1785 because I don't want to break anything... --metze
1786 FSP_BELONGS_CONN(fsp,conn);*/
1787
1788 switch (function) {
1789 case FSCTL_SET_SPARSE:
1790 /* pretend this succeeded - tho strictly we should
1791 mark the file sparse (if the local fs supports it)
1792 so we can know if we need to pre-allocate or not */
1793
1794 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1795 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1796 return;
1797
1798 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1799 {
1800 unsigned char objid[16];
1801
1802 /* This should return the object-id on this file.
1803 * I think I'll make this be the inode+dev. JRA.
1804 */
1805
1806 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1807
1808 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1809 return;
1810 }
1811
1812 data_count = 64;
1813 pdata = nttrans_realloc(ppdata, data_count);
1814 if (pdata == NULL) {
1815 reply_nterror(req, NT_STATUS_NO_MEMORY);
1816 return;
1817 }
1818 push_file_id_16(pdata, &fsp->file_id);
1819 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1820 push_file_id_16(pdata+32, &fsp->file_id);
1821 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1822 pdata, data_count);
1823 return;
1824 }
1825
1826 case FSCTL_GET_REPARSE_POINT:
1827 /* pretend this fail - my winXP does it like this
1828 * --metze
1829 */
1830
1831 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1832 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1833 return;
1834
1835 case FSCTL_SET_REPARSE_POINT:
1836 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1837 * --metze
1838 */
1839
1840 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1841 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1842 return;
1843
1844 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1845 {
1846 /*
1847 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1848 * and return their volume names. If max_data_count is 16, then it is just
1849 * asking for the number of volumes and length of the combined names.
1850 *
1851 * pdata is the data allocated by our caller, but that uses
1852 * total_data_count (which is 0 in our case) rather than max_data_count.
1853 * Allocate the correct amount and return the pointer to let
1854 * it be deallocated when we return.
1855 */
1856 SHADOW_COPY_DATA *shadow_data = NULL;
1857 TALLOC_CTX *shadow_mem_ctx = NULL;
1858 bool labels = False;
1859 uint32 labels_data_count = 0;
1860 uint32 i;
1861 char *cur_pdata;
1862
1863 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1864 return;
1865 }
1866
1867 if (max_data_count < 16) {
1868 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1869 max_data_count));
1870 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1871 return;
1872 }
1873
1874 if (max_data_count > 16) {
1875 labels = True;
1876 }
1877
1878 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1879 if (shadow_mem_ctx == NULL) {
1880 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1881 reply_nterror(req, NT_STATUS_NO_MEMORY);
1882 return;
1883 }
1884
1885 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1886 if (shadow_data == NULL) {
1887 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1888 talloc_destroy(shadow_mem_ctx);
1889 reply_nterror(req, NT_STATUS_NO_MEMORY);
1890 return;
1891 }
1892
1893 shadow_data->mem_ctx = shadow_mem_ctx;
1894
1895 /*
1896 * Call the VFS routine to actually do the work.
1897 */
1898 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1899 talloc_destroy(shadow_data->mem_ctx);
1900 if (errno == ENOSYS) {
1901 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1902 conn->connectpath));
1903 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1904 return;
1905 } else {
1906 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1907 conn->connectpath));
1908 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1909 return;
1910 }
1911 }
1912
1913 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1914
1915 if (!labels) {
1916 data_count = 16;
1917 } else {
1918 data_count = 12+labels_data_count+4;
1919 }
1920
1921 if (max_data_count<data_count) {
1922 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1923 max_data_count,data_count));
1924 talloc_destroy(shadow_data->mem_ctx);
1925 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1926 return;
1927 }
1928
1929 pdata = nttrans_realloc(ppdata, data_count);
1930 if (pdata == NULL) {
1931 talloc_destroy(shadow_data->mem_ctx);
1932 reply_nterror(req, NT_STATUS_NO_MEMORY);
1933 return;
1934 }
1935
1936 cur_pdata = pdata;
1937
1938 /* num_volumes 4 bytes */
1939 SIVAL(pdata,0,shadow_data->num_volumes);
1940
1941 if (labels) {
1942 /* num_labels 4 bytes */
1943 SIVAL(pdata,4,shadow_data->num_volumes);
1944 }
1945
1946 /* needed_data_count 4 bytes */
1947 SIVAL(pdata,8,labels_data_count);
1948
1949 cur_pdata+=12;
1950
1951 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1952 shadow_data->num_volumes,fsp->fsp_name));
1953 if (labels && shadow_data->labels) {
1954 for (i=0;i<shadow_data->num_volumes;i++) {
1955 srvstr_push(pdata, req->flags2,
1956 cur_pdata, shadow_data->labels[i],
1957 2*sizeof(SHADOW_COPY_LABEL),
1958 STR_UNICODE|STR_TERMINATE);
1959 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1960 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1961 }
1962 }
1963
1964 talloc_destroy(shadow_data->mem_ctx);
1965
1966 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1967 pdata, data_count);
1968
1969 return;
1970 }
1971
1972 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1973 {
1974 /* pretend this succeeded -
1975 *
1976 * we have to send back a list with all files owned by this SID
1977 *
1978 * but I have to check that --metze
1979 */
1980 DOM_SID sid;
1981 uid_t uid;
1982 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1983
1984 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1985
1986 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1987 return;
1988 }
1989
1990 /* unknown 4 bytes: this is not the length of the sid :-( */
1991 /*unknown = IVAL(pdata,0);*/
1992
1993 sid_parse(pdata+4,sid_len,&sid);
1994 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1995
1996 if (!sid_to_uid(&sid, &uid)) {
1997 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1998 sid_string_dbg(&sid),
1999 (unsigned long)sid_len));
2000 uid = (-1);
2001 }
2002
2003 /* we can take a look at the find source :-)
2004 *
2005 * find ./ -uid $uid -name '*' is what we need here
2006 *
2007 *
2008 * and send 4bytes len and then NULL terminated unicode strings
2009 * for each file
2010 *
2011 * but I don't know how to deal with the paged results
2012 * (maybe we can hang the result anywhere in the fsp struct)
2013 *
2014 * we don't send all files at once
2015 * and at the next we should *not* start from the beginning,
2016 * so we have to cache the result
2017 *
2018 * --metze
2019 */
2020
2021 /* this works for now... */
2022 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2023 return;
2024 }
2025 default:
2026 if (!logged_message) {
2027 logged_message = True; /* Only print this once... */
2028 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2029 function));
2030 }
2031 }
2032
2033 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2034}
2035
2036
2037#ifdef HAVE_SYS_QUOTAS
2038/****************************************************************************
2039 Reply to get user quota
2040****************************************************************************/
2041
2042static void call_nt_transact_get_user_quota(connection_struct *conn,
2043 struct smb_request *req,
2044 uint16 **ppsetup,
2045 uint32 setup_count,
2046 char **ppparams,
2047 uint32 parameter_count,
2048 char **ppdata,
2049 uint32 data_count,
2050 uint32 max_data_count)
2051{
2052 NTSTATUS nt_status = NT_STATUS_OK;
2053 char *params = *ppparams;
2054 char *pdata = *ppdata;
2055 char *entry;
2056 int data_len=0,param_len=0;
2057 int qt_len=0;
2058 int entry_len = 0;
2059 files_struct *fsp = NULL;
2060 uint16 level = 0;
2061 size_t sid_len;
2062 DOM_SID sid;
2063 bool start_enum = True;
2064 SMB_NTQUOTA_STRUCT qt;
2065 SMB_NTQUOTA_LIST *tmp_list;
2066 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2067
2068 ZERO_STRUCT(qt);
2069
2070 /* access check */
2071 if (current_user.ut.uid != 0) {
2072 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2073 lp_servicename(SNUM(conn)),conn->user));
2074 reply_doserror(req, ERRDOS, ERRnoaccess);
2075 return;
2076 }
2077
2078 /*
2079 * Ensure minimum number of parameters sent.
2080 */
2081
2082 if (parameter_count < 4) {
2083 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2084 reply_doserror(req, ERRDOS, ERRinvalidparam);
2085 return;
2086 }
2087
2088 /* maybe we can check the quota_fnum */
2089 fsp = file_fsp(SVAL(params,0));
2090 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2091 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2092 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2093 return;
2094 }
2095
2096 /* the NULL pointer checking for fsp->fake_file_handle->pd
2097 * is done by CHECK_NTQUOTA_HANDLE_OK()
2098 */
2099 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2100
2101 level = SVAL(params,2);
2102
2103 /* unknown 12 bytes leading in params */
2104
2105 switch (level) {
2106 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2107 /* seems that we should continue with the enum here --metze */
2108
2109 if (qt_handle->quota_list!=NULL &&
2110 qt_handle->tmp_list==NULL) {
2111
2112 /* free the list */
2113 free_ntquota_list(&(qt_handle->quota_list));
2114
2115 /* Realloc the size of parameters and data we will return */
2116 param_len = 4;
2117 params = nttrans_realloc(ppparams, param_len);
2118 if(params == NULL) {
2119 reply_doserror(req, ERRDOS, ERRnomem);
2120 return;
2121 }
2122
2123 data_len = 0;
2124 SIVAL(params,0,data_len);
2125
2126 break;
2127 }
2128
2129 start_enum = False;
2130
2131 case TRANSACT_GET_USER_QUOTA_LIST_START:
2132
2133 if (qt_handle->quota_list==NULL &&
2134 qt_handle->tmp_list==NULL) {
2135 start_enum = True;
2136 }
2137
2138 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2139 reply_doserror(req, ERRSRV, ERRerror);
2140 return;
2141 }
2142
2143 /* Realloc the size of parameters and data we will return */
2144 param_len = 4;
2145 params = nttrans_realloc(ppparams, param_len);
2146 if(params == NULL) {
2147 reply_doserror(req, ERRDOS, ERRnomem);
2148 return;
2149 }
2150
2151 /* we should not trust the value in max_data_count*/
2152 max_data_count = MIN(max_data_count,2048);
2153
2154 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2155 if(pdata == NULL) {
2156 reply_doserror(req, ERRDOS, ERRnomem);
2157 return;
2158 }
2159
2160 entry = pdata;
2161
2162 /* set params Size of returned Quota Data 4 bytes*/
2163 /* but set it later when we know it */
2164
2165 /* for each entry push the data */
2166
2167 if (start_enum) {
2168 qt_handle->tmp_list = qt_handle->quota_list;
2169 }
2170
2171 tmp_list = qt_handle->tmp_list;
2172
2173 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2174 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2175
2176 sid_len = ndr_size_dom_sid(
2177 &tmp_list->quotas->sid, 0);
2178 entry_len = 40 + sid_len;
2179
2180 /* nextoffset entry 4 bytes */
2181 SIVAL(entry,0,entry_len);
2182
2183 /* then the len of the SID 4 bytes */
2184 SIVAL(entry,4,sid_len);
2185
2186 /* unknown data 8 bytes SMB_BIG_UINT */
2187 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2188
2189 /* the used disk space 8 bytes SMB_BIG_UINT */
2190 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2191
2192 /* the soft quotas 8 bytes SMB_BIG_UINT */
2193 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2194
2195 /* the hard quotas 8 bytes SMB_BIG_UINT */
2196 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2197
2198 /* and now the SID */
2199 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2200 }
2201
2202 qt_handle->tmp_list = tmp_list;
2203
2204 /* overwrite the offset of the last entry */
2205 SIVAL(entry-entry_len,0,0);
2206
2207 data_len = 4+qt_len;
2208 /* overwrite the params quota_data_len */
2209 SIVAL(params,0,data_len);
2210
2211 break;
2212
2213 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2214
2215 /* unknown 4 bytes IVAL(pdata,0) */
2216
2217 if (data_count < 8) {
2218 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2219 reply_doserror(req, ERRDOS, ERRunknownlevel);
2220 return;
2221 }
2222
2223 sid_len = IVAL(pdata,4);
2224 /* Ensure this is less than 1mb. */
2225 if (sid_len > (1024*1024)) {
2226 reply_doserror(req, ERRDOS, ERRnomem);
2227 return;
2228 }
2229
2230 if (data_count < 8+sid_len) {
2231 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2232 reply_doserror(req, ERRDOS, ERRunknownlevel);
2233 return;
2234 }
2235
2236 data_len = 4+40+sid_len;
2237
2238 if (max_data_count < data_len) {
2239 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2240 max_data_count, data_len));
2241 param_len = 4;
2242 SIVAL(params,0,data_len);
2243 data_len = 0;
2244 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2245 break;
2246 }
2247
2248 sid_parse(pdata+8,sid_len,&sid);
2249
2250 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2251 ZERO_STRUCT(qt);
2252 /*
2253 * we have to return zero's in all fields
2254 * instead of returning an error here
2255 * --metze
2256 */
2257 }
2258
2259 /* Realloc the size of parameters and data we will return */
2260 param_len = 4;
2261 params = nttrans_realloc(ppparams, param_len);
2262 if(params == NULL) {
2263 reply_doserror(req, ERRDOS, ERRnomem);
2264 return;
2265 }
2266
2267 pdata = nttrans_realloc(ppdata, data_len);
2268 if(pdata == NULL) {
2269 reply_doserror(req, ERRDOS, ERRnomem);
2270 return;
2271 }
2272
2273 entry = pdata;
2274
2275 /* set params Size of returned Quota Data 4 bytes*/
2276 SIVAL(params,0,data_len);
2277
2278 /* nextoffset entry 4 bytes */
2279 SIVAL(entry,0,0);
2280
2281 /* then the len of the SID 4 bytes */
2282 SIVAL(entry,4,sid_len);
2283
2284 /* unknown data 8 bytes SMB_BIG_UINT */
2285 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2286
2287 /* the used disk space 8 bytes SMB_BIG_UINT */
2288 SBIG_UINT(entry,16,qt.usedspace);
2289
2290 /* the soft quotas 8 bytes SMB_BIG_UINT */
2291 SBIG_UINT(entry,24,qt.softlim);
2292
2293 /* the hard quotas 8 bytes SMB_BIG_UINT */
2294 SBIG_UINT(entry,32,qt.hardlim);
2295
2296 /* and now the SID */
2297 sid_linearize(entry+40, sid_len, &sid);
2298
2299 break;
2300
2301 default:
2302 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2303 reply_doserror(req, ERRSRV, ERRerror);
2304 return;
2305 break;
2306 }
2307
2308 send_nt_replies(conn, req, nt_status, params, param_len,
2309 pdata, data_len);
2310}
2311
2312/****************************************************************************
2313 Reply to set user quota
2314****************************************************************************/
2315
2316static void call_nt_transact_set_user_quota(connection_struct *conn,
2317 struct smb_request *req,
2318 uint16 **ppsetup,
2319 uint32 setup_count,
2320 char **ppparams,
2321 uint32 parameter_count,
2322 char **ppdata,
2323 uint32 data_count,
2324 uint32 max_data_count)
2325{
2326 char *params = *ppparams;
2327 char *pdata = *ppdata;
2328 int data_len=0,param_len=0;
2329 SMB_NTQUOTA_STRUCT qt;
2330 size_t sid_len;
2331 DOM_SID sid;
2332 files_struct *fsp = NULL;
2333
2334 ZERO_STRUCT(qt);
2335
2336 /* access check */
2337 if (current_user.ut.uid != 0) {
2338 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2339 lp_servicename(SNUM(conn)),conn->user));
2340 reply_doserror(req, ERRDOS, ERRnoaccess);
2341 return;
2342 }
2343
2344 /*
2345 * Ensure minimum number of parameters sent.
2346 */
2347
2348 if (parameter_count < 2) {
2349 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2350 reply_doserror(req, ERRDOS, ERRinvalidparam);
2351 return;
2352 }
2353
2354 /* maybe we can check the quota_fnum */
2355 fsp = file_fsp(SVAL(params,0));
2356 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2357 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2358 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2359 return;
2360 }
2361
2362 if (data_count < 40) {
2363 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2364 reply_doserror(req, ERRDOS, ERRunknownlevel);
2365 return;
2366 }
2367
2368 /* offset to next quota record.
2369 * 4 bytes IVAL(pdata,0)
2370 * unused here...
2371 */
2372
2373 /* sid len */
2374 sid_len = IVAL(pdata,4);
2375
2376 if (data_count < 40+sid_len) {
2377 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2378 reply_doserror(req, ERRDOS, ERRunknownlevel);
2379 return;
2380 }
2381
2382 /* unknown 8 bytes in pdata
2383 * maybe its the change time in NTTIME
2384 */
2385
2386 /* the used space 8 bytes (SMB_BIG_UINT)*/
2387 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2388#ifdef LARGE_SMB_OFF_T
2389 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2390#else /* LARGE_SMB_OFF_T */
2391 if ((IVAL(pdata,20) != 0)&&
2392 ((qt.usedspace != 0xFFFFFFFF)||
2393 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2394 /* more than 32 bits? */
2395 reply_doserror(req, ERRDOS, ERRunknownlevel);
2396 return;
2397 }
2398#endif /* LARGE_SMB_OFF_T */
2399
2400 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2401 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2402#ifdef LARGE_SMB_OFF_T
2403 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2404#else /* LARGE_SMB_OFF_T */
2405 if ((IVAL(pdata,28) != 0)&&
2406 ((qt.softlim != 0xFFFFFFFF)||
2407 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2408 /* more than 32 bits? */
2409 reply_doserror(req, ERRDOS, ERRunknownlevel);
2410 return;
2411 }
2412#endif /* LARGE_SMB_OFF_T */
2413
2414 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2415 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2416#ifdef LARGE_SMB_OFF_T
2417 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2418#else /* LARGE_SMB_OFF_T */
2419 if ((IVAL(pdata,36) != 0)&&
2420 ((qt.hardlim != 0xFFFFFFFF)||
2421 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2422 /* more than 32 bits? */
2423 reply_doserror(req, ERRDOS, ERRunknownlevel);
2424 return;
2425 }
2426#endif /* LARGE_SMB_OFF_T */
2427
2428 sid_parse(pdata+40,sid_len,&sid);
2429 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2430
2431 /* 44 unknown bytes left... */
2432
2433 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2434 reply_doserror(req, ERRSRV, ERRerror);
2435 return;
2436 }
2437
2438 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2439 pdata, data_len);
2440}
2441#endif /* HAVE_SYS_QUOTAS */
2442
2443static void handle_nttrans(connection_struct *conn,
2444 struct trans_state *state,
2445 struct smb_request *req)
2446{
2447 if (Protocol >= PROTOCOL_NT1) {
2448 req->flags2 |= 0x40; /* IS_LONG_NAME */
2449 SSVAL(req->inbuf,smb_flg2,req->flags2);
2450 }
2451
2452 /* Now we must call the relevant NT_TRANS function */
2453 switch(state->call) {
2454 case NT_TRANSACT_CREATE:
2455 {
2456 START_PROFILE(NT_transact_create);
2457 call_nt_transact_create(
2458 conn, req,
2459 &state->setup, state->setup_count,
2460 &state->param, state->total_param,
2461 &state->data, state->total_data,
2462 state->max_data_return);
2463 END_PROFILE(NT_transact_create);
2464 break;
2465 }
2466
2467 case NT_TRANSACT_IOCTL:
2468 {
2469 START_PROFILE(NT_transact_ioctl);
2470 call_nt_transact_ioctl(
2471 conn, req,
2472 &state->setup, state->setup_count,
2473 &state->param, state->total_param,
2474 &state->data, state->total_data,
2475 state->max_data_return);
2476 END_PROFILE(NT_transact_ioctl);
2477 break;
2478 }
2479
2480 case NT_TRANSACT_SET_SECURITY_DESC:
2481 {
2482 START_PROFILE(NT_transact_set_security_desc);
2483 call_nt_transact_set_security_desc(
2484 conn, req,
2485 &state->setup, state->setup_count,
2486 &state->param, state->total_param,
2487 &state->data, state->total_data,
2488 state->max_data_return);
2489 END_PROFILE(NT_transact_set_security_desc);
2490 break;
2491 }
2492
2493 case NT_TRANSACT_NOTIFY_CHANGE:
2494 {
2495 START_PROFILE(NT_transact_notify_change);
2496 call_nt_transact_notify_change(
2497 conn, req,
2498 &state->setup, state->setup_count,
2499 &state->param, state->total_param,
2500 &state->data, state->total_data,
2501 state->max_data_return,
2502 state->max_param_return);
2503 END_PROFILE(NT_transact_notify_change);
2504 break;
2505 }
2506
2507 case NT_TRANSACT_RENAME:
2508 {
2509 START_PROFILE(NT_transact_rename);
2510 call_nt_transact_rename(
2511 conn, req,
2512 &state->setup, state->setup_count,
2513 &state->param, state->total_param,
2514 &state->data, state->total_data,
2515 state->max_data_return);
2516 END_PROFILE(NT_transact_rename);
2517 break;
2518 }
2519
2520 case NT_TRANSACT_QUERY_SECURITY_DESC:
2521 {
2522 START_PROFILE(NT_transact_query_security_desc);
2523 call_nt_transact_query_security_desc(
2524 conn, req,
2525 &state->setup, state->setup_count,
2526 &state->param, state->total_param,
2527 &state->data, state->total_data,
2528 state->max_data_return);
2529 END_PROFILE(NT_transact_query_security_desc);
2530 break;
2531 }
2532
2533#ifdef HAVE_SYS_QUOTAS
2534 case NT_TRANSACT_GET_USER_QUOTA:
2535 {
2536 START_PROFILE(NT_transact_get_user_quota);
2537 call_nt_transact_get_user_quota(
2538 conn, req,
2539 &state->setup, state->setup_count,
2540 &state->param, state->total_param,
2541 &state->data, state->total_data,
2542 state->max_data_return);
2543 END_PROFILE(NT_transact_get_user_quota);
2544 break;
2545 }
2546
2547 case NT_TRANSACT_SET_USER_QUOTA:
2548 {
2549 START_PROFILE(NT_transact_set_user_quota);
2550 call_nt_transact_set_user_quota(
2551 conn, req,
2552 &state->setup, state->setup_count,
2553 &state->param, state->total_param,
2554 &state->data, state->total_data,
2555 state->max_data_return);
2556 END_PROFILE(NT_transact_set_user_quota);
2557 break;
2558 }
2559#endif /* HAVE_SYS_QUOTAS */
2560
2561 default:
2562 /* Error in request */
2563 DEBUG(0,("handle_nttrans: Unknown request %d in "
2564 "nttrans call\n", state->call));
2565 reply_doserror(req, ERRSRV, ERRerror);
2566 return;
2567 }
2568 return;
2569}
2570
2571/****************************************************************************
2572 Reply to a SMBNTtrans.
2573****************************************************************************/
2574
2575void reply_nttrans(struct smb_request *req)
2576{
2577 connection_struct *conn = req->conn;
2578 uint32_t pscnt;
2579 uint32_t psoff;
2580 uint32_t dscnt;
2581 uint32_t dsoff;
2582 uint16 function_code;
2583 NTSTATUS result;
2584 struct trans_state *state;
2585 uint32_t size;
2586 uint32_t av_size;
2587
2588 START_PROFILE(SMBnttrans);
2589
2590 if (req->wct < 19) {
2591 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2592 END_PROFILE(SMBnttrans);
2593 return;
2594 }
2595
2596 size = smb_len(req->inbuf) + 4;
2597 av_size = smb_len(req->inbuf);
2598 pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2599 psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2600 dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2601 dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2602 function_code = SVAL(req->inbuf, smb_nt_Function);
2603
2604 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2605 reply_doserror(req, ERRSRV, ERRaccess);
2606 END_PROFILE(SMBnttrans);
2607 return;
2608 }
2609
2610 result = allow_new_trans(conn->pending_trans, req->mid);
2611 if (!NT_STATUS_IS_OK(result)) {
2612 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2613 reply_nterror(req, result);
2614 END_PROFILE(SMBnttrans);
2615 return;
2616 }
2617
2618 if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2619 reply_doserror(req, ERRSRV, ERRaccess);
2620 END_PROFILE(SMBnttrans);
2621 return;
2622 }
2623
2624 state->cmd = SMBnttrans;
2625
2626 state->mid = req->mid;
2627 state->vuid = req->vuid;
2628 state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2629 state->data = NULL;
2630 state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2631 state->param = NULL;
2632 state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2633 state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2634
2635 /* setup count is in *words* */
2636 state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2637 state->setup = NULL;
2638 state->call = function_code;
2639
2640 /*
2641 * All nttrans messages we handle have smb_wct == 19 +
2642 * state->setup_count. Ensure this is so as a sanity check.
2643 */
2644
2645 if(req->wct != 19 + (state->setup_count/2)) {
2646 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2647 req->wct, 19 + (state->setup_count/2)));
2648 goto bad_param;
2649 }
2650
2651 /* Don't allow more than 128mb for each value. */
2652 if ((state->total_data > (1024*1024*128)) ||
2653 (state->total_param > (1024*1024*128))) {
2654 reply_doserror(req, ERRDOS, ERRnomem);
2655 END_PROFILE(SMBnttrans);
2656 return;
2657 }
2658
2659 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2660 goto bad_param;
2661
2662 if (state->total_data) {
2663 /* Can't use talloc here, the core routines do realloc on the
2664 * params and data. */
2665 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2666 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2667 "bytes !\n", (unsigned int)state->total_data));
2668 TALLOC_FREE(state);
2669 reply_doserror(req, ERRDOS, ERRnomem);
2670 END_PROFILE(SMBnttrans);
2671 return;
2672 }
2673
2674 if (dscnt > state->total_data ||
2675 dsoff+dscnt < dsoff) {
2676 goto bad_param;
2677 }
2678
2679 if (dsoff > av_size ||
2680 dscnt > av_size ||
2681 dsoff+dscnt > av_size) {
2682 goto bad_param;
2683 }
2684
2685 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2686 }
2687
2688 if (state->total_param) {
2689 /* Can't use talloc here, the core routines do realloc on the
2690 * params and data. */
2691 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2692 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2693 "bytes !\n", (unsigned int)state->total_param));
2694 SAFE_FREE(state->data);
2695 TALLOC_FREE(state);
2696 reply_doserror(req, ERRDOS, ERRnomem);
2697 END_PROFILE(SMBnttrans);
2698 return;
2699 }
2700
2701 if (pscnt > state->total_param ||
2702 psoff+pscnt < psoff) {
2703 goto bad_param;
2704 }
2705
2706 if (psoff > av_size ||
2707 pscnt > av_size ||
2708 psoff+pscnt > av_size) {
2709 goto bad_param;
2710 }
2711
2712 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2713 }
2714
2715 state->received_data = dscnt;
2716 state->received_param = pscnt;
2717
2718 if(state->setup_count > 0) {
2719 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2720 state->setup_count));
2721 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2722 if (state->setup == NULL) {
2723 DEBUG(0,("reply_nttrans : Out of memory\n"));
2724 SAFE_FREE(state->data);
2725 SAFE_FREE(state->param);
2726 TALLOC_FREE(state);
2727 reply_doserror(req, ERRDOS, ERRnomem);
2728 END_PROFILE(SMBnttrans);
2729 return;
2730 }
2731
2732 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2733 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2734 goto bad_param;
2735 }
2736 if (smb_nt_SetupStart + state->setup_count > size) {
2737 goto bad_param;
2738 }
2739
2740 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2741 state->setup_count);
2742 dump_data(10, (uint8 *)state->setup, state->setup_count);
2743 }
2744
2745 if ((state->received_data == state->total_data) &&
2746 (state->received_param == state->total_param)) {
2747 handle_nttrans(conn, state, req);
2748 SAFE_FREE(state->param);
2749 SAFE_FREE(state->data);
2750 TALLOC_FREE(state);
2751 END_PROFILE(SMBnttrans);
2752 return;
2753 }
2754
2755 DLIST_ADD(conn->pending_trans, state);
2756
2757 /* We need to send an interim response then receive the rest
2758 of the parameter/data bytes */
2759 reply_outbuf(req, 0, 0);
2760 show_msg((char *)req->outbuf);
2761 END_PROFILE(SMBnttrans);
2762 return;
2763
2764 bad_param:
2765
2766 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2767 SAFE_FREE(state->data);
2768 SAFE_FREE(state->param);
2769 TALLOC_FREE(state);
2770 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2771 END_PROFILE(SMBnttrans);
2772 return;
2773}
2774
2775/****************************************************************************
2776 Reply to a SMBnttranss
2777 ****************************************************************************/
2778
2779void reply_nttranss(struct smb_request *req)
2780{
2781 connection_struct *conn = req->conn;
2782 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2783 struct trans_state *state;
2784 uint32_t av_size;
2785 uint32_t size;
2786
2787 START_PROFILE(SMBnttranss);
2788
2789 show_msg((char *)req->inbuf);
2790
2791 if (req->wct < 18) {
2792 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2793 END_PROFILE(SMBnttranss);
2794 return;
2795 }
2796
2797 for (state = conn->pending_trans; state != NULL;
2798 state = state->next) {
2799 if (state->mid == req->mid) {
2800 break;
2801 }
2802 }
2803
2804 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2805 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2806 END_PROFILE(SMBnttranss);
2807 return;
2808 }
2809
2810 /* Revise state->total_param and state->total_data in case they have
2811 changed downwards */
2812 if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2813 < state->total_param) {
2814 state->total_param = IVAL(req->inbuf,
2815 smb_nts_TotalParameterCount);
2816 }
2817 if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2818 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2819 }
2820
2821 size = smb_len(req->inbuf) + 4;
2822 av_size = smb_len(req->inbuf);
2823
2824 pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2825 poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2826 pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2827
2828 dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2829 ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2830 doff = IVAL(req->inbuf, smb_nts_DataOffset);
2831
2832 state->received_param += pcnt;
2833 state->received_data += dcnt;
2834
2835 if ((state->received_data > state->total_data) ||
2836 (state->received_param > state->total_param))
2837 goto bad_param;
2838
2839 if (pcnt) {
2840 if (pdisp > state->total_param ||
2841 pcnt > state->total_param ||
2842 pdisp+pcnt > state->total_param ||
2843 pdisp+pcnt < pdisp) {
2844 goto bad_param;
2845 }
2846
2847 if (poff > av_size ||
2848 pcnt > av_size ||
2849 poff+pcnt > av_size ||
2850 poff+pcnt < poff) {
2851 goto bad_param;
2852 }
2853
2854 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2855 pcnt);
2856 }
2857
2858 if (dcnt) {
2859 if (ddisp > state->total_data ||
2860 dcnt > state->total_data ||
2861 ddisp+dcnt > state->total_data ||
2862 ddisp+dcnt < ddisp) {
2863 goto bad_param;
2864 }
2865
[205]2866 if (doff > av_size ||
[136]2867 dcnt > av_size ||
[205]2868 doff+dcnt > av_size ||
2869 doff+dcnt < doff) {
[136]2870 goto bad_param;
2871 }
2872
2873 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2874 dcnt);
2875 }
2876
2877 if ((state->received_param < state->total_param) ||
2878 (state->received_data < state->total_data)) {
2879 END_PROFILE(SMBnttranss);
2880 return;
2881 }
2882
2883 /*
2884 * construct_reply_common will copy smb_com from inbuf to
2885 * outbuf. SMBnttranss is wrong here.
2886 */
2887 SCVAL(req->inbuf,smb_com,SMBnttrans);
2888
2889 handle_nttrans(conn, state, req);
2890
2891 DLIST_REMOVE(conn->pending_trans, state);
2892 SAFE_FREE(state->data);
2893 SAFE_FREE(state->param);
2894 TALLOC_FREE(state);
2895 END_PROFILE(SMBnttranss);
2896 return;
2897
2898 bad_param:
2899
2900 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2901 DLIST_REMOVE(conn->pending_trans, state);
2902 SAFE_FREE(state->data);
2903 SAFE_FREE(state->param);
2904 TALLOC_FREE(state);
2905 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2906 END_PROFILE(SMBnttranss);
2907 return;
2908}
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