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smbd: fix the handling of create_options to pass RAW-OPEN
[Samba.git] / source / smbd / nttrans.c
blob0b48fa2c4d522104de041149bb013ccec8ead3b7
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
23 extern int max_send;
24 extern enum protocol_types Protocol;
25 extern struct current_user current_user;
26
27 static 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
48 static 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
69 void 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
116 /*
117 * useable_space can never be more than max_send minus the
118 * alignment offset.
119 */
120
121 useable_space = MIN(useable_space,
122 max_send - (alignment_offset+data_alignment_offset));
123
124
125 while (params_to_send || data_to_send) {
126
127 /*
128 * Calculate whether we will totally or partially fill this packet.
129 */
130
131 total_sent_thistime = params_to_send + data_to_send +
132 alignment_offset + data_alignment_offset;
133
134 /*
135 * We can never send more than useable_space.
136 */
137
138 total_sent_thistime = MIN(total_sent_thistime, useable_space);
139
140 reply_outbuf(req, 18, total_sent_thistime);
141
142 /*
143 * Set total params and data to be sent.
144 */
145
146 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
147 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
148
149 /*
150 * Calculate how many parameters and data we can fit into
151 * this packet. Parameters get precedence.
152 */
153
154 params_sent_thistime = MIN(params_to_send,useable_space);
155 data_sent_thistime = useable_space - params_sent_thistime;
156 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
157
158 SIVAL(req->outbuf, smb_ntr_ParameterCount,
159 params_sent_thistime);
160
161 if(params_sent_thistime == 0) {
162 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
163 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
164 } else {
165 /*
166 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
167 * parameter bytes, however the first 4 bytes of outbuf are
168 * the Netbios over TCP header. Thus use smb_base() to subtract
169 * them from the calculation.
170 */
171
172 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
173 ((smb_buf(req->outbuf)+alignment_offset)
174 - smb_base(req->outbuf)));
175 /*
176 * Absolute displacement of param bytes sent in this packet.
177 */
178
179 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
180 pp - params);
181 }
182
183 /*
184 * Deal with the data portion.
185 */
186
187 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
188
189 if(data_sent_thistime == 0) {
190 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
191 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
192 } else {
193 /*
194 * The offset of the data bytes is the offset of the
195 * parameter bytes plus the number of parameters being sent this time.
196 */
197
198 SIVAL(req->outbuf, smb_ntr_DataOffset,
199 ((smb_buf(req->outbuf)+alignment_offset) -
200 smb_base(req->outbuf))
201 + params_sent_thistime + data_alignment_offset);
202 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
203 }
204
205 /*
206 * Copy the param bytes into the packet.
207 */
208
209 if(params_sent_thistime) {
210 if (alignment_offset != 0) {
211 memset(smb_buf(req->outbuf), 0,
212 alignment_offset);
213 }
214 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
215 params_sent_thistime);
216 }
217
218 /*
219 * Copy in the data bytes
220 */
221
222 if(data_sent_thistime) {
223 if (data_alignment_offset != 0) {
224 memset((smb_buf(req->outbuf)+alignment_offset+
225 params_sent_thistime), 0,
226 data_alignment_offset);
227 }
228 memcpy(smb_buf(req->outbuf)+alignment_offset
229 +params_sent_thistime+data_alignment_offset,
230 pd,data_sent_thistime);
231 }
232
233 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
234 params_sent_thistime, data_sent_thistime, useable_space));
235 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
236 params_to_send, data_to_send, paramsize, datasize));
237
238 if (NT_STATUS_V(nt_error)) {
239 error_packet_set((char *)req->outbuf,
240 0, 0, nt_error,
241 __LINE__,__FILE__);
242 }
243
244 /* Send the packet */
245 show_msg((char *)req->outbuf);
246 if (!srv_send_smb(smbd_server_fd(),
247 (char *)req->outbuf,
248 IS_CONN_ENCRYPTED(conn))) {
249 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
250 }
251
252 TALLOC_FREE(req->outbuf);
253
254 pp += params_sent_thistime;
255 pd += data_sent_thistime;
256
257 params_to_send -= params_sent_thistime;
258 data_to_send -= data_sent_thistime;
259
260 /*
261 * Sanity check
262 */
263
264 if(params_to_send < 0 || data_to_send < 0) {
265 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
266 params_to_send, data_to_send));
267 return;
268 }
269 }
270 }
271
272 /****************************************************************************
273 Is it an NTFS stream name ?
274 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
275 $DATA can be used as both a stream name and a stream type. A missing stream
276 name or type implies $DATA.
277 ****************************************************************************/
278
279 bool is_ntfs_stream_name(const char *fname)
280 {
281 if (lp_posix_pathnames()) {
282 return False;
283 }
284 return (strchr_m(fname, ':') != NULL) ? True : False;
285 }
286
287 /****************************************************************************
288 Reply to an NT create and X call on a pipe
289 ****************************************************************************/
290
291 static void nt_open_pipe(char *fname, connection_struct *conn,
292 struct smb_request *req, int *ppnum)
293 {
294 smb_np_struct *p = NULL;
295 int i;
296
297 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
298
299 /* See if it is one we want to handle. */
300
301 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
302 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
303 ERRDOS, ERRbadpipe);
304 return;
305 }
306
307 for( i = 0; known_nt_pipes[i]; i++ ) {
308 if( strequal(fname,known_nt_pipes[i])) {
309 break;
310 }
311 }
312
313 if ( known_nt_pipes[i] == NULL ) {
314 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
315 ERRDOS, ERRbadpipe);
316 return;
317 }
318
319 /* Strip \\ off the name. */
320 fname++;
321
322 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
323
324 p = open_rpc_pipe_p(fname, conn, req->vuid);
325 if (!p) {
326 reply_doserror(req, ERRSRV, ERRnofids);
327 return;
328 }
329
330 /* TODO: Add pipe to db */
331
332 if ( !store_pipe_opendb( p ) ) {
333 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
334 }
335
336 *ppnum = p->pnum;
337 return;
338 }
339
340 /****************************************************************************
341 Reply to an NT create and X call for pipes.
342 ****************************************************************************/
343
344 static void do_ntcreate_pipe_open(connection_struct *conn,
345 struct smb_request *req)
346 {
347 char *fname = NULL;
348 int pnum = -1;
349 char *p = NULL;
350 uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
351 TALLOC_CTX *ctx = talloc_tos();
352
353 srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
354 smb_buf(req->inbuf), STR_TERMINATE);
355
356 if (!fname) {
357 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
358 ERRDOS, ERRbadpipe);
359 return;
360 }
361 nt_open_pipe(fname, conn, req, &pnum);
362
363 if (req->outbuf) {
364 /* error reply */
365 return;
366 }
367
368 /*
369 * Deal with pipe return.
370 */
371
372 if (flags & EXTENDED_RESPONSE_REQUIRED) {
373 /* This is very strange. We
374 * return 50 words, but only set
375 * the wcnt to 42 ? It's definately
376 * what happens on the wire....
377 */
378 reply_outbuf(req, 50, 0);
379 SCVAL(req->outbuf,smb_wct,42);
380 } else {
381 reply_outbuf(req, 34, 0);
382 }
383
384 p = (char *)req->outbuf + smb_vwv2;
385 p++;
386 SSVAL(p,0,pnum);
387 p += 2;
388 SIVAL(p,0,FILE_WAS_OPENED);
389 p += 4;
390 p += 32;
391 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
392 p += 20;
393 /* File type. */
394 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
395 /* Device state. */
396 SSVAL(p,2, 0x5FF); /* ? */
397 p += 4;
398
399 if (flags & EXTENDED_RESPONSE_REQUIRED) {
400 p += 25;
401 SIVAL(p,0,FILE_GENERIC_ALL);
402 /*
403 * For pipes W2K3 seems to return
404 * 0x12019B next.
405 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
406 */
407 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
408 }
409
410 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
411
412 chain_reply(req);
413 }
414
415 /****************************************************************************
416 Reply to an NT create and X call.
417 ****************************************************************************/
418
419 void reply_ntcreate_and_X(struct smb_request *req)
420 {
421 connection_struct *conn = req->conn;
422 char *fname = NULL;
423 uint32 flags;
424 uint32 access_mask;
425 uint32 file_attributes;
426 uint32 share_access;
427 uint32 create_disposition;
428 uint32 create_options;
429 uint16 root_dir_fid;
430 SMB_BIG_UINT allocation_size;
431 /* Breakout the oplock request bits so we can set the
432 reply bits separately. */
433 uint32 fattr=0;
434 SMB_OFF_T file_len = 0;
435 SMB_STRUCT_STAT sbuf;
436 int info = 0;
437 files_struct *fsp = NULL;
438 char *p = NULL;
439 struct timespec c_timespec;
440 struct timespec a_timespec;
441 struct timespec m_timespec;
442 NTSTATUS status;
443 int oplock_request;
444 uint8_t oplock_granted = NO_OPLOCK_RETURN;
445 TALLOC_CTX *ctx = talloc_tos();
446
447 START_PROFILE(SMBntcreateX);
448
449 if (req->wct < 24) {
450 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
451 return;
452 }
453
454 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
455 access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
456 file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
457 share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
458 create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
459 create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
460 root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
461
462 allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,
463 smb_ntcreate_AllocationSize);
464 #ifdef LARGE_SMB_OFF_T
465 allocation_size |= (((SMB_BIG_UINT)IVAL(
466 req->inbuf,
467 smb_ntcreate_AllocationSize + 4)) << 32);
468 #endif
469
470 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
471 smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
472
473 if (!NT_STATUS_IS_OK(status)) {
474 reply_nterror(req, status);
475 END_PROFILE(SMBntcreateX);
476 return;
477 }
478
479 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
480 "file_attributes = 0x%x, share_access = 0x%x, "
481 "create_disposition = 0x%x create_options = 0x%x "
482 "root_dir_fid = 0x%x, fname = %s\n",
483 (unsigned int)flags,
484 (unsigned int)access_mask,
485 (unsigned int)file_attributes,
486 (unsigned int)share_access,
487 (unsigned int)create_disposition,
488 (unsigned int)create_options,
489 (unsigned int)root_dir_fid,
490 fname));
491
492 /*
493 * we need to remove ignored bits when they come directly from the client
494 * because we reuse some of them for internal stuff
495 */
496 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
497
498 /*
499 * If it's an IPC, use the pipe handler.
500 */
501
502 if (IS_IPC(conn)) {
503 if (lp_nt_pipe_support()) {
504 do_ntcreate_pipe_open(conn, req);
505 END_PROFILE(SMBntcreateX);
506 return;
507 }
508 reply_doserror(req, ERRDOS, ERRnoaccess);
509 END_PROFILE(SMBntcreateX);
510 return;
511 }
512
513 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
514 if (oplock_request) {
515 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
516 ? BATCH_OPLOCK : 0;
517 }
518
519 status = create_file(conn, req, root_dir_fid, fname,
520 access_mask, share_access, create_disposition,
521 create_options, file_attributes, oplock_request,
522 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
523
524 if (!NT_STATUS_IS_OK(status)) {
525 if (open_was_deferred(req->mid)) {
526 /* We have re-scheduled this call, no error. */
527 END_PROFILE(SMBntcreateX);
528 return;
529 }
530 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
531 reply_botherror(req, status, ERRDOS, ERRfilexists);
532 }
533 else {
534 reply_nterror(req, status);
535 }
536 END_PROFILE(SMBntcreateX);
537 return;
538 }
539
540 /*
541 * If the caller set the extended oplock request bit
542 * and we granted one (by whatever means) - set the
543 * correct bit for extended oplock reply.
544 */
545
546 if (oplock_request &&
547 (lp_fake_oplocks(SNUM(conn))
548 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
549
550 /*
551 * Exclusive oplock granted
552 */
553
554 if (flags & REQUEST_BATCH_OPLOCK) {
555 oplock_granted = BATCH_OPLOCK_RETURN;
556 } else {
557 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
558 }
559 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
560 oplock_granted = LEVEL_II_OPLOCK_RETURN;
561 } else {
562 oplock_granted = NO_OPLOCK_RETURN;
563 }
564
565 file_len = sbuf.st_size;
566 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
567 if (fattr == 0) {
568 fattr = FILE_ATTRIBUTE_NORMAL;
569 }
570
571 if (flags & EXTENDED_RESPONSE_REQUIRED) {
572 /* This is very strange. We
573 * return 50 words, but only set
574 * the wcnt to 42 ? It's definately
575 * what happens on the wire....
576 */
577 reply_outbuf(req, 50, 0);
578 SCVAL(req->outbuf,smb_wct,42);
579 } else {
580 reply_outbuf(req, 34, 0);
581 }
582
583 p = (char *)req->outbuf + smb_vwv2;
584
585 SCVAL(p, 0, oplock_granted);
586
587 p++;
588 SSVAL(p,0,fsp->fnum);
589 p += 2;
590 if ((create_disposition == FILE_SUPERSEDE)
591 && (info == FILE_WAS_OVERWRITTEN)) {
592 SIVAL(p,0,FILE_WAS_SUPERSEDED);
593 } else {
594 SIVAL(p,0,info);
595 }
596 p += 4;
597
598 /* Create time. */
599 c_timespec = get_create_timespec(
600 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
601 a_timespec = get_atimespec(&sbuf);
602 m_timespec = get_mtimespec(&sbuf);
603
604 if (lp_dos_filetime_resolution(SNUM(conn))) {
605 dos_filetime_timespec(&c_timespec);
606 dos_filetime_timespec(&a_timespec);
607 dos_filetime_timespec(&m_timespec);
608 }
609
610 put_long_date_timespec(p, c_timespec); /* create time. */
611 p += 8;
612 put_long_date_timespec(p, a_timespec); /* access time */
613 p += 8;
614 put_long_date_timespec(p, m_timespec); /* write time */
615 p += 8;
616 put_long_date_timespec(p, m_timespec); /* change time */
617 p += 8;
618 SIVAL(p,0,fattr); /* File Attributes. */
619 p += 4;
620 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
621 p += 8;
622 SOFF_T(p,0,file_len);
623 p += 8;
624 if (flags & EXTENDED_RESPONSE_REQUIRED) {
625 SSVAL(p,2,0x7);
626 }
627 p += 4;
628 SCVAL(p,0,fsp->is_directory ? 1 : 0);
629
630 if (flags & EXTENDED_RESPONSE_REQUIRED) {
631 uint32 perms = 0;
632 p += 25;
633 if (fsp->is_directory
634 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
635 perms = FILE_GENERIC_ALL;
636 } else {
637 perms = FILE_GENERIC_READ|FILE_EXECUTE;
638 }
639 SIVAL(p,0,perms);
640 }
641
642 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
643 fsp->fnum, fsp->fsp_name));
644
645 chain_reply(req);
646 END_PROFILE(SMBntcreateX);
647 return;
648 }
649
650 /****************************************************************************
651 Reply to a NT_TRANSACT_CREATE call to open a pipe.
652 ****************************************************************************/
653
654 static void do_nt_transact_create_pipe(connection_struct *conn,
655 struct smb_request *req,
656 uint16 **ppsetup, uint32 setup_count,
657 char **ppparams, uint32 parameter_count,
658 char **ppdata, uint32 data_count)
659 {
660 char *fname = NULL;
661 char *params = *ppparams;
662 int pnum = -1;
663 char *p = NULL;
664 NTSTATUS status;
665 size_t param_len;
666 uint32 flags;
667 TALLOC_CTX *ctx = talloc_tos();
668
669 /*
670 * Ensure minimum number of parameters sent.
671 */
672
673 if(parameter_count < 54) {
674 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
675 reply_doserror(req, ERRDOS, ERRnoaccess);
676 return;
677 }
678
679 flags = IVAL(params,0);
680
681 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
682 parameter_count-53, STR_TERMINATE,
683 &status);
684 if (!NT_STATUS_IS_OK(status)) {
685 reply_nterror(req, status);
686 return;
687 }
688
689 nt_open_pipe(fname, conn, req, &pnum);
690
691 if (req->outbuf) {
692 /* Error return */
693 return;
694 }
695
696 /* Realloc the size of parameters and data we will return */
697 if (flags & EXTENDED_RESPONSE_REQUIRED) {
698 /* Extended response is 32 more byyes. */
699 param_len = 101;
700 } else {
701 param_len = 69;
702 }
703 params = nttrans_realloc(ppparams, param_len);
704 if(params == NULL) {
705 reply_doserror(req, ERRDOS, ERRnomem);
706 return;
707 }
708
709 p = params;
710 SCVAL(p,0,NO_OPLOCK_RETURN);
711
712 p += 2;
713 SSVAL(p,0,pnum);
714 p += 2;
715 SIVAL(p,0,FILE_WAS_OPENED);
716 p += 8;
717
718 p += 32;
719 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
720 p += 20;
721 /* File type. */
722 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
723 /* Device state. */
724 SSVAL(p,2, 0x5FF); /* ? */
725 p += 4;
726
727 if (flags & EXTENDED_RESPONSE_REQUIRED) {
728 p += 25;
729 SIVAL(p,0,FILE_GENERIC_ALL);
730 /*
731 * For pipes W2K3 seems to return
732 * 0x12019B next.
733 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
734 */
735 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
736 }
737
738 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
739
740 /* Send the required number of replies */
741 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
742
743 return;
744 }
745
746 /****************************************************************************
747 Internal fn to set security descriptors.
748 ****************************************************************************/
749
750 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
751 uint32 security_info_sent)
752 {
753 SEC_DESC *psd = NULL;
754 NTSTATUS status;
755
756 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
757 return NT_STATUS_OK;
758 }
759
760 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
761
762 if (!NT_STATUS_IS_OK(status)) {
763 return status;
764 }
765
766 if (psd->owner_sid==0) {
767 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
768 }
769 if (psd->group_sid==0) {
770 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
771 }
772 if (psd->sacl==0) {
773 security_info_sent &= ~SACL_SECURITY_INFORMATION;
774 }
775 if (psd->dacl==0) {
776 security_info_sent &= ~DACL_SECURITY_INFORMATION;
777 }
778
779 if (fsp->fh->fd != -1) {
780 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
781 }
782 else {
783 status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name,
784 security_info_sent, psd);
785 }
786
787 TALLOC_FREE(psd);
788
789 return status;
790 }
791
792 /****************************************************************************
793 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
794 ****************************************************************************/
795
796 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
797 {
798 struct ea_list *ea_list_head = NULL;
799 size_t offset = 0;
800
801 if (data_size < 4) {
802 return NULL;
803 }
804
805 while (offset + 4 <= data_size) {
806 size_t next_offset = IVAL(pdata,offset);
807 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
808
809 if (!eal) {
810 return NULL;
811 }
812
813 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
814 if (next_offset == 0) {
815 break;
816 }
817 offset += next_offset;
818 }
819
820 return ea_list_head;
821 }
822
823 /****************************************************************************
824 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
825 ****************************************************************************/
826
827 static void call_nt_transact_create(connection_struct *conn,
828 struct smb_request *req,
829 uint16 **ppsetup, uint32 setup_count,
830 char **ppparams, uint32 parameter_count,
831 char **ppdata, uint32 data_count,
832 uint32 max_data_count)
833 {
834 char *fname = NULL;
835 char *params = *ppparams;
836 char *data = *ppdata;
837 /* Breakout the oplock request bits so we can set the reply bits separately. */
838 uint32 fattr=0;
839 SMB_OFF_T file_len = 0;
840 SMB_STRUCT_STAT sbuf;
841 int info = 0;
842 files_struct *fsp = NULL;
843 char *p = NULL;
844 uint32 flags;
845 uint32 access_mask;
846 uint32 file_attributes;
847 uint32 share_access;
848 uint32 create_disposition;
849 uint32 create_options;
850 uint32 sd_len;
851 struct security_descriptor *sd = NULL;
852 uint32 ea_len;
853 uint16 root_dir_fid;
854 struct timespec c_timespec;
855 struct timespec a_timespec;
856 struct timespec m_timespec;
857 struct ea_list *ea_list = NULL;
858 NTSTATUS status;
859 size_t param_len;
860 SMB_BIG_UINT allocation_size;
861 int oplock_request;
862 uint8_t oplock_granted;
863 TALLOC_CTX *ctx = talloc_tos();
864
865 DEBUG(5,("call_nt_transact_create\n"));
866
867 /*
868 * If it's an IPC, use the pipe handler.
869 */
870
871 if (IS_IPC(conn)) {
872 if (lp_nt_pipe_support()) {
873 do_nt_transact_create_pipe(
874 conn, req,
875 ppsetup, setup_count,
876 ppparams, parameter_count,
877 ppdata, data_count);
878 return;
879 }
880 reply_doserror(req, ERRDOS, ERRnoaccess);
881 return;
882 }
883
884 /*
885 * Ensure minimum number of parameters sent.
886 */
887
888 if(parameter_count < 54) {
889 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
890 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
891 return;
892 }
893
894 flags = IVAL(params,0);
895 access_mask = IVAL(params,8);
896 file_attributes = IVAL(params,20);
897 share_access = IVAL(params,24);
898 create_disposition = IVAL(params,28);
899 create_options = IVAL(params,32);
900 sd_len = IVAL(params,36);
901 ea_len = IVAL(params,40);
902 root_dir_fid = (uint16)IVAL(params,4);
903 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
904 #ifdef LARGE_SMB_OFF_T
905 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
906 #endif
907
908 /*
909 * we need to remove ignored bits when they come directly from the client
910 * because we reuse some of them for internal stuff
911 */
912 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
913
914 /* Ensure the data_len is correct for the sd and ea values given. */
915 if ((ea_len + sd_len > data_count)
916 || (ea_len > data_count) || (sd_len > data_count)
917 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
918 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
919 "%u, data_count = %u\n", (unsigned int)ea_len,
920 (unsigned int)sd_len, (unsigned int)data_count));
921 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
922 return;
923 }
924
925 if (sd_len) {
926 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
927 sd_len));
928
929 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
930 &sd);
931 if (!NT_STATUS_IS_OK(status)) {
932 DEBUG(10, ("call_nt_transact_create: "
933 "unmarshall_sec_desc failed: %s\n",
934 nt_errstr(status)));
935 reply_nterror(req, status);
936 return;
937 }
938 }
939
940 if (ea_len) {
941 if (!lp_ea_support(SNUM(conn))) {
942 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
943 "EA's not supported.\n",
944 (unsigned int)ea_len));
945 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
946 return;
947 }
948
949 if (ea_len < 10) {
950 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
951 "too small (should be more than 10)\n",
952 (unsigned int)ea_len ));
953 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
954 return;
955 }
956
957 /* We have already checked that ea_len <= data_count here. */
958 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
959 ea_len);
960 if (ea_list == NULL) {
961 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
962 return;
963 }
964 }
965
966 srvstr_get_path(ctx, params, req->flags2, &fname,
967 params+53, parameter_count-53,
968 STR_TERMINATE, &status);
969 if (!NT_STATUS_IS_OK(status)) {
970 reply_nterror(req, status);
971 return;
972 }
973
974 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
975 if (oplock_request) {
976 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
977 ? BATCH_OPLOCK : 0;
978 }
979
980 status = create_file(conn, req, root_dir_fid, fname,
981 access_mask, share_access, create_disposition,
982 create_options, file_attributes, oplock_request,
983 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
984
985 if(!NT_STATUS_IS_OK(status)) {
986 if (open_was_deferred(req->mid)) {
987 /* We have re-scheduled this call, no error. */
988 return;
989 }
990 reply_openerror(req, status);
991 return;
992 }
993
994 /*
995 * If the caller set the extended oplock request bit
996 * and we granted one (by whatever means) - set the
997 * correct bit for extended oplock reply.
998 */
999
1000 if (oplock_request &&
1001 (lp_fake_oplocks(SNUM(conn))
1002 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1003
1004 /*
1005 * Exclusive oplock granted
1006 */
1007
1008 if (flags & REQUEST_BATCH_OPLOCK) {
1009 oplock_granted = BATCH_OPLOCK_RETURN;
1010 } else {
1011 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1012 }
1013 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1014 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1015 } else {
1016 oplock_granted = NO_OPLOCK_RETURN;
1017 }
1018
1019 file_len = sbuf.st_size;
1020 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1021 if (fattr == 0) {
1022 fattr = FILE_ATTRIBUTE_NORMAL;
1023 }
1024
1025 /* Realloc the size of parameters and data we will return */
1026 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1027 /* Extended response is 32 more byyes. */
1028 param_len = 101;
1029 } else {
1030 param_len = 69;
1031 }
1032 params = nttrans_realloc(ppparams, param_len);
1033 if(params == NULL) {
1034 reply_doserror(req, ERRDOS, ERRnomem);
1035 return;
1036 }
1037
1038 p = params;
1039 SCVAL(p, 0, oplock_granted);
1040
1041 p += 2;
1042 SSVAL(p,0,fsp->fnum);
1043 p += 2;
1044 if ((create_disposition == FILE_SUPERSEDE)
1045 && (info == FILE_WAS_OVERWRITTEN)) {
1046 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1047 } else {
1048 SIVAL(p,0,info);
1049 }
1050 p += 8;
1051
1052 /* Create time. */
1053 c_timespec = get_create_timespec(
1054 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1055 a_timespec = get_atimespec(&sbuf);
1056 m_timespec = get_mtimespec(&sbuf);
1057
1058 if (lp_dos_filetime_resolution(SNUM(conn))) {
1059 dos_filetime_timespec(&c_timespec);
1060 dos_filetime_timespec(&a_timespec);
1061 dos_filetime_timespec(&m_timespec);
1062 }
1063
1064 put_long_date_timespec(p, c_timespec); /* create time. */
1065 p += 8;
1066 put_long_date_timespec(p, a_timespec); /* access time */
1067 p += 8;
1068 put_long_date_timespec(p, m_timespec); /* write time */
1069 p += 8;
1070 put_long_date_timespec(p, m_timespec); /* change time */
1071 p += 8;
1072 SIVAL(p,0,fattr); /* File Attributes. */
1073 p += 4;
1074 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1075 p += 8;
1076 SOFF_T(p,0,file_len);
1077 p += 8;
1078 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1079 SSVAL(p,2,0x7);
1080 }
1081 p += 4;
1082 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1083
1084 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1085 uint32 perms = 0;
1086 p += 25;
1087 if (fsp->is_directory
1088 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1089 perms = FILE_GENERIC_ALL;
1090 } else {
1091 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1092 }
1093 SIVAL(p,0,perms);
1094 }
1095
1096 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1097
1098 /* Send the required number of replies */
1099 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1100
1101 return;
1102 }
1103
1104 /****************************************************************************
1105 Reply to a NT CANCEL request.
1106 conn POINTER CAN BE NULL HERE !
1107 ****************************************************************************/
1108
1109 void reply_ntcancel(struct smb_request *req)
1110 {
1111 /*
1112 * Go through and cancel any pending change notifies.
1113 */
1114
1115 START_PROFILE(SMBntcancel);
1116 remove_pending_change_notify_requests_by_mid(req->mid);
1117 remove_pending_lock_requests_by_mid(req->mid);
1118 srv_cancel_sign_response(req->mid);
1119
1120 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1121
1122 END_PROFILE(SMBntcancel);
1123 return;
1124 }
1125
1126 /****************************************************************************
1127 Copy a file.
1128 ****************************************************************************/
1129
1130 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1131 connection_struct *conn,
1132 struct smb_request *req,
1133 const char *oldname_in,
1134 const char *newname_in,
1135 uint32 attrs)
1136 {
1137 SMB_STRUCT_STAT sbuf1, sbuf2;
1138 char *oldname = NULL;
1139 char *newname = NULL;
1140 char *last_component_oldname = NULL;
1141 char *last_component_newname = NULL;
1142 files_struct *fsp1,*fsp2;
1143 uint32 fattr;
1144 int info;
1145 SMB_OFF_T ret=-1;
1146 NTSTATUS status = NT_STATUS_OK;
1147
1148 ZERO_STRUCT(sbuf1);
1149 ZERO_STRUCT(sbuf2);
1150
1151 if (!CAN_WRITE(conn)) {
1152 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1153 }
1154
1155 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1156 &last_component_oldname, &sbuf1);
1157 if (!NT_STATUS_IS_OK(status)) {
1158 return status;
1159 }
1160
1161 status = check_name(conn, oldname);
1162 if (!NT_STATUS_IS_OK(status)) {
1163 return status;
1164 }
1165
1166 /* Source must already exist. */
1167 if (!VALID_STAT(sbuf1)) {
1168 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1169 }
1170 /* Ensure attributes match. */
1171 fattr = dos_mode(conn,oldname,&sbuf1);
1172 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1173 return NT_STATUS_NO_SUCH_FILE;
1174 }
1175
1176 status = unix_convert(ctx, conn, newname_in, False, &newname,
1177 &last_component_newname, &sbuf2);
1178 if (!NT_STATUS_IS_OK(status)) {
1179 return status;
1180 }
1181
1182 status = check_name(conn, newname);
1183 if (!NT_STATUS_IS_OK(status)) {
1184 return status;
1185 }
1186
1187 /* Disallow if newname already exists. */
1188 if (VALID_STAT(sbuf2)) {
1189 return NT_STATUS_OBJECT_NAME_COLLISION;
1190 }
1191
1192 /* No links from a directory. */
1193 if (S_ISDIR(sbuf1.st_mode)) {
1194 return NT_STATUS_FILE_IS_A_DIRECTORY;
1195 }
1196
1197 /* Ensure this is within the share. */
1198 status = check_reduced_name(conn, oldname);
1199 if (!NT_STATUS_IS_OK(status)) {
1200 return status;
1201 }
1202
1203 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1204 oldname, newname));
1205
1206 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1207 FILE_READ_DATA, /* Read-only. */
1208 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1209 FILE_OPEN,
1210 0, /* No create options. */
1211 FILE_ATTRIBUTE_NORMAL,
1212 NO_OPLOCK,
1213 &info, &fsp1);
1214
1215 if (!NT_STATUS_IS_OK(status)) {
1216 return status;
1217 }
1218
1219 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1220 FILE_WRITE_DATA, /* Read-only. */
1221 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1222 FILE_CREATE,
1223 0, /* No create options. */
1224 fattr,
1225 NO_OPLOCK,
1226 &info, &fsp2);
1227
1228 if (!NT_STATUS_IS_OK(status)) {
1229 close_file(fsp1,ERROR_CLOSE);
1230 return status;
1231 }
1232
1233 if (sbuf1.st_size) {
1234 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1235 }
1236
1237 /*
1238 * As we are opening fsp1 read-only we only expect
1239 * an error on close on fsp2 if we are out of space.
1240 * Thus we don't look at the error return from the
1241 * close of fsp1.
1242 */
1243 close_file(fsp1,NORMAL_CLOSE);
1244
1245 /* Ensure the modtime is set correctly on the destination file. */
1246 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1247
1248 status = close_file(fsp2,NORMAL_CLOSE);
1249
1250 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1251 creates the file. This isn't the correct thing to do in the copy
1252 case. JRA */
1253 file_set_dosmode(conn, newname, fattr, &sbuf2,
1254 parent_dirname(newname),false);
1255
1256 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1257 return NT_STATUS_DISK_FULL;
1258 }
1259
1260 if (!NT_STATUS_IS_OK(status)) {
1261 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1262 nt_errstr(status), oldname, newname));
1263 }
1264 return status;
1265 }
1266
1267 /****************************************************************************
1268 Reply to a NT rename request.
1269 ****************************************************************************/
1270
1271 void reply_ntrename(struct smb_request *req)
1272 {
1273 connection_struct *conn = req->conn;
1274 char *oldname = NULL;
1275 char *newname = NULL;
1276 char *p;
1277 NTSTATUS status;
1278 bool src_has_wcard = False;
1279 bool dest_has_wcard = False;
1280 uint32 attrs;
1281 uint16 rename_type;
1282 TALLOC_CTX *ctx = talloc_tos();
1283
1284 START_PROFILE(SMBntrename);
1285
1286 if (req->wct < 4) {
1287 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1288 END_PROFILE(SMBntrename);
1289 return;
1290 }
1291
1292 attrs = SVAL(req->inbuf,smb_vwv0);
1293 rename_type = SVAL(req->inbuf,smb_vwv1);
1294
1295 p = smb_buf(req->inbuf) + 1;
1296 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1297 0, STR_TERMINATE, &status,
1298 &src_has_wcard);
1299 if (!NT_STATUS_IS_OK(status)) {
1300 reply_nterror(req, status);
1301 END_PROFILE(SMBntrename);
1302 return;
1303 }
1304
1305 if( is_ntfs_stream_name(oldname)) {
1306 /* Can't rename a stream. */
1307 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1308 END_PROFILE(SMBntrename);
1309 return;
1310 }
1311
1312 if (ms_has_wild(oldname)) {
1313 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1314 END_PROFILE(SMBntrename);
1315 return;
1316 }
1317
1318 p++;
1319 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1320 0, STR_TERMINATE, &status,
1321 &dest_has_wcard);
1322 if (!NT_STATUS_IS_OK(status)) {
1323 reply_nterror(req, status);
1324 END_PROFILE(SMBntrename);
1325 return;
1326 }
1327
1328 status = resolve_dfspath(ctx, conn,
1329 req->flags2 & FLAGS2_DFS_PATHNAMES,
1330 oldname,
1331 &oldname);
1332 if (!NT_STATUS_IS_OK(status)) {
1333 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1334 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1335 ERRSRV, ERRbadpath);
1336 END_PROFILE(SMBntrename);
1337 return;
1338 }
1339 reply_nterror(req, status);
1340 END_PROFILE(SMBntrename);
1341 return;
1342 }
1343
1344 status = resolve_dfspath(ctx, conn,
1345 req->flags2 & FLAGS2_DFS_PATHNAMES,
1346 newname,
1347 &newname);
1348 if (!NT_STATUS_IS_OK(status)) {
1349 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1350 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1351 ERRSRV, ERRbadpath);
1352 END_PROFILE(SMBntrename);
1353 return;
1354 }
1355 reply_nterror(req, status);
1356 END_PROFILE(SMBntrename);
1357 return;
1358 }
1359
1360 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1361
1362 switch(rename_type) {
1363 case RENAME_FLAG_RENAME:
1364 status = rename_internals(ctx, conn, req, oldname,
1365 newname, attrs, False, src_has_wcard,
1366 dest_has_wcard, DELETE_ACCESS);
1367 break;
1368 case RENAME_FLAG_HARD_LINK:
1369 if (src_has_wcard || dest_has_wcard) {
1370 /* No wildcards. */
1371 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1372 } else {
1373 status = hardlink_internals(ctx,
1374 conn,
1375 oldname,
1376 newname);
1377 }
1378 break;
1379 case RENAME_FLAG_COPY:
1380 if (src_has_wcard || dest_has_wcard) {
1381 /* No wildcards. */
1382 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1383 } else {
1384 status = copy_internals(ctx, conn, req, oldname,
1385 newname, attrs);
1386 }
1387 break;
1388 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1389 status = NT_STATUS_INVALID_PARAMETER;
1390 break;
1391 default:
1392 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1393 break;
1394 }
1395
1396 if (!NT_STATUS_IS_OK(status)) {
1397 if (open_was_deferred(req->mid)) {
1398 /* We have re-scheduled this call. */
1399 END_PROFILE(SMBntrename);
1400 return;
1401 }
1402
1403 reply_nterror(req, status);
1404 END_PROFILE(SMBntrename);
1405 return;
1406 }
1407
1408 reply_outbuf(req, 0, 0);
1409
1410 END_PROFILE(SMBntrename);
1411 return;
1412 }
1413
1414 /****************************************************************************
1415 Reply to a notify change - queue the request and
1416 don't allow a directory to be opened.
1417 ****************************************************************************/
1418
1419 static void call_nt_transact_notify_change(connection_struct *conn,
1420 struct smb_request *req,
1421 uint16 **ppsetup,
1422 uint32 setup_count,
1423 char **ppparams,
1424 uint32 parameter_count,
1425 char **ppdata, uint32 data_count,
1426 uint32 max_data_count,
1427 uint32 max_param_count)
1428 {
1429 uint16 *setup = *ppsetup;
1430 files_struct *fsp;
1431 uint32 filter;
1432 NTSTATUS status;
1433 bool recursive;
1434
1435 if(setup_count < 6) {
1436 reply_doserror(req, ERRDOS, ERRbadfunc);
1437 return;
1438 }
1439
1440 fsp = file_fsp(SVAL(setup,4));
1441 filter = IVAL(setup, 0);
1442 recursive = (SVAL(setup, 6) != 0) ? True : False;
1443
1444 DEBUG(3,("call_nt_transact_notify_change\n"));
1445
1446 if(!fsp) {
1447 reply_doserror(req, ERRDOS, ERRbadfid);
1448 return;
1449 }
1450
1451 {
1452 char *filter_string;
1453
1454 if (!(filter_string = notify_filter_string(NULL, filter))) {
1455 reply_nterror(req,NT_STATUS_NO_MEMORY);
1456 return;
1457 }
1458
1459 DEBUG(3,("call_nt_transact_notify_change: notify change "
1460 "called on %s, filter = %s, recursive = %d\n",
1461 fsp->fsp_name, filter_string, recursive));
1462
1463 TALLOC_FREE(filter_string);
1464 }
1465
1466 if((!fsp->is_directory) || (conn != fsp->conn)) {
1467 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1468 return;
1469 }
1470
1471 if (fsp->notify == NULL) {
1472
1473 status = change_notify_create(fsp, filter, recursive);
1474
1475 if (!NT_STATUS_IS_OK(status)) {
1476 DEBUG(10, ("change_notify_create returned %s\n",
1477 nt_errstr(status)));
1478 reply_nterror(req, status);
1479 return;
1480 }
1481 }
1482
1483 if (fsp->notify->num_changes != 0) {
1484
1485 /*
1486 * We've got changes pending, respond immediately
1487 */
1488
1489 /*
1490 * TODO: write a torture test to check the filtering behaviour
1491 * here.
1492 */
1493
1494 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1495
1496 /*
1497 * change_notify_reply() above has independently sent its
1498 * results
1499 */
1500 return;
1501 }
1502
1503 /*
1504 * No changes pending, queue the request
1505 */
1506
1507 status = change_notify_add_request(req,
1508 max_param_count,
1509 filter,
1510 recursive, fsp);
1511 if (!NT_STATUS_IS_OK(status)) {
1512 reply_nterror(req, status);
1513 }
1514 return;
1515 }
1516
1517 /****************************************************************************
1518 Reply to an NT transact rename command.
1519 ****************************************************************************/
1520
1521 static void call_nt_transact_rename(connection_struct *conn,
1522 struct smb_request *req,
1523 uint16 **ppsetup, uint32 setup_count,
1524 char **ppparams, uint32 parameter_count,
1525 char **ppdata, uint32 data_count,
1526 uint32 max_data_count)
1527 {
1528 char *params = *ppparams;
1529 char *new_name = NULL;
1530 files_struct *fsp = NULL;
1531 bool dest_has_wcard = False;
1532 NTSTATUS status;
1533 TALLOC_CTX *ctx = talloc_tos();
1534
1535 if(parameter_count < 5) {
1536 reply_doserror(req, ERRDOS, ERRbadfunc);
1537 return;
1538 }
1539
1540 fsp = file_fsp(SVAL(params, 0));
1541 if (!check_fsp(conn, req, fsp, &current_user)) {
1542 return;
1543 }
1544 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1545 parameter_count - 4,
1546 STR_TERMINATE, &status, &dest_has_wcard);
1547 if (!NT_STATUS_IS_OK(status)) {
1548 reply_nterror(req, status);
1549 return;
1550 }
1551
1552 /*
1553 * W2K3 ignores this request as the RAW-RENAME test
1554 * demonstrates, so we do.
1555 */
1556 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1557
1558 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1559 fsp->fsp_name, new_name));
1560
1561 return;
1562 }
1563
1564 /******************************************************************************
1565 Fake up a completely empty SD.
1566 *******************************************************************************/
1567
1568 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1569 {
1570 size_t sd_size;
1571
1572 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1573 if(!*ppsd) {
1574 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1575 return NT_STATUS_NO_MEMORY;
1576 }
1577
1578 return NT_STATUS_OK;
1579 }
1580
1581 /****************************************************************************
1582 Reply to query a security descriptor.
1583 ****************************************************************************/
1584
1585 static void call_nt_transact_query_security_desc(connection_struct *conn,
1586 struct smb_request *req,
1587 uint16 **ppsetup,
1588 uint32 setup_count,
1589 char **ppparams,
1590 uint32 parameter_count,
1591 char **ppdata,
1592 uint32 data_count,
1593 uint32 max_data_count)
1594 {
1595 char *params = *ppparams;
1596 char *data = *ppdata;
1597 SEC_DESC *psd = NULL;
1598 size_t sd_size;
1599 uint32 security_info_wanted;
1600 files_struct *fsp = NULL;
1601 NTSTATUS status;
1602 DATA_BLOB blob;
1603
1604 if(parameter_count < 8) {
1605 reply_doserror(req, ERRDOS, ERRbadfunc);
1606 return;
1607 }
1608
1609 fsp = file_fsp(SVAL(params,0));
1610 if(!fsp) {
1611 reply_doserror(req, ERRDOS, ERRbadfid);
1612 return;
1613 }
1614
1615 security_info_wanted = IVAL(params,4);
1616
1617 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1618 (unsigned int)security_info_wanted ));
1619
1620 params = nttrans_realloc(ppparams, 4);
1621 if(params == NULL) {
1622 reply_doserror(req, ERRDOS, ERRnomem);
1623 return;
1624 }
1625
1626 /*
1627 * Get the permissions to return.
1628 */
1629
1630 if (!lp_nt_acl_support(SNUM(conn))) {
1631 status = get_null_nt_acl(talloc_tos(), &psd);
1632 } else {
1633 if (fsp->fh->fd != -1) {
1634 status = SMB_VFS_FGET_NT_ACL(
1635 fsp, security_info_wanted, &psd);
1636 }
1637 else {
1638 status = SMB_VFS_GET_NT_ACL(
1639 conn, fsp->fsp_name, security_info_wanted, &psd);
1640 }
1641 }
1642
1643 if (!NT_STATUS_IS_OK(status)) {
1644 reply_nterror(req, status);
1645 return;
1646 }
1647
1648 sd_size = ndr_size_security_descriptor(psd, 0);
1649
1650 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1651
1652 SIVAL(params,0,(uint32)sd_size);
1653
1654 if (max_data_count < sd_size) {
1655 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1656 params, 4, *ppdata, 0);
1657 return;
1658 }
1659
1660 /*
1661 * Allocate the data we will point this at.
1662 */
1663
1664 data = nttrans_realloc(ppdata, sd_size);
1665 if(data == NULL) {
1666 reply_doserror(req, ERRDOS, ERRnomem);
1667 return;
1668 }
1669
1670 status = marshall_sec_desc(talloc_tos(), psd,
1671 &blob.data, &blob.length);
1672
1673 if (!NT_STATUS_IS_OK(status)) {
1674 reply_nterror(req, status);
1675 return;
1676 }
1677
1678 SMB_ASSERT(sd_size == blob.length);
1679 memcpy(data, blob.data, sd_size);
1680
1681 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1682
1683 return;
1684 }
1685
1686 /****************************************************************************
1687 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1688 ****************************************************************************/
1689
1690 static void call_nt_transact_set_security_desc(connection_struct *conn,
1691 struct smb_request *req,
1692 uint16 **ppsetup,
1693 uint32 setup_count,
1694 char **ppparams,
1695 uint32 parameter_count,
1696 char **ppdata,
1697 uint32 data_count,
1698 uint32 max_data_count)
1699 {
1700 char *params= *ppparams;
1701 char *data = *ppdata;
1702 files_struct *fsp = NULL;
1703 uint32 security_info_sent = 0;
1704 NTSTATUS status;
1705
1706 if(parameter_count < 8) {
1707 reply_doserror(req, ERRDOS, ERRbadfunc);
1708 return;
1709 }
1710
1711 if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1712 reply_doserror(req, ERRDOS, ERRbadfid);
1713 return;
1714 }
1715
1716 if(!lp_nt_acl_support(SNUM(conn))) {
1717 goto done;
1718 }
1719
1720 security_info_sent = IVAL(params,4);
1721
1722 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1723 (unsigned int)security_info_sent ));
1724
1725 if (data_count == 0) {
1726 reply_doserror(req, ERRDOS, ERRnoaccess);
1727 return;
1728 }
1729
1730 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1731
1732 if (!NT_STATUS_IS_OK(status)) {
1733 reply_nterror(req, status);
1734 return;
1735 }
1736
1737 done:
1738 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1739 return;
1740 }
1741
1742 /****************************************************************************
1743 Reply to NT IOCTL
1744 ****************************************************************************/
1745
1746 static void call_nt_transact_ioctl(connection_struct *conn,
1747 struct smb_request *req,
1748 uint16 **ppsetup, uint32 setup_count,
1749 char **ppparams, uint32 parameter_count,
1750 char **ppdata, uint32 data_count,
1751 uint32 max_data_count)
1752 {
1753 uint32 function;
1754 uint16 fidnum;
1755 files_struct *fsp;
1756 uint8 isFSctl;
1757 uint8 compfilter;
1758 static bool logged_message;
1759 char *pdata = *ppdata;
1760
1761 if (setup_count != 8) {
1762 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1763 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1764 return;
1765 }
1766
1767 function = IVAL(*ppsetup, 0);
1768 fidnum = SVAL(*ppsetup, 4);
1769 isFSctl = CVAL(*ppsetup, 6);
1770 compfilter = CVAL(*ppsetup, 7);
1771
1772 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1773 function, fidnum, isFSctl, compfilter));
1774
1775 fsp=file_fsp(fidnum);
1776 /* this check is done in each implemented function case for now
1777 because I don't want to break anything... --metze
1778 FSP_BELONGS_CONN(fsp,conn);*/
1779
1780 switch (function) {
1781 case FSCTL_SET_SPARSE:
1782 /* pretend this succeeded - tho strictly we should
1783 mark the file sparse (if the local fs supports it)
1784 so we can know if we need to pre-allocate or not */
1785
1786 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1787 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1788 return;
1789
1790 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1791 {
1792 unsigned char objid[16];
1793
1794 /* This should return the object-id on this file.
1795 * I think I'll make this be the inode+dev. JRA.
1796 */
1797
1798 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1799
1800 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1801 return;
1802 }
1803
1804 data_count = 64;
1805 pdata = nttrans_realloc(ppdata, data_count);
1806 if (pdata == NULL) {
1807 reply_nterror(req, NT_STATUS_NO_MEMORY);
1808 return;
1809 }
1810 push_file_id_16(pdata, &fsp->file_id);
1811 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1812 push_file_id_16(pdata+32, &fsp->file_id);
1813 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1814 pdata, data_count);
1815 return;
1816 }
1817
1818 case FSCTL_GET_REPARSE_POINT:
1819 /* pretend this fail - my winXP does it like this
1820 * --metze
1821 */
1822
1823 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1824 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1825 return;
1826
1827 case FSCTL_SET_REPARSE_POINT:
1828 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1829 * --metze
1830 */
1831
1832 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1833 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1834 return;
1835
1836 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1837 {
1838 /*
1839 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1840 * and return their volume names. If max_data_count is 16, then it is just
1841 * asking for the number of volumes and length of the combined names.
1842 *
1843 * pdata is the data allocated by our caller, but that uses
1844 * total_data_count (which is 0 in our case) rather than max_data_count.
1845 * Allocate the correct amount and return the pointer to let
1846 * it be deallocated when we return.
1847 */
1848 SHADOW_COPY_DATA *shadow_data = NULL;
1849 TALLOC_CTX *shadow_mem_ctx = NULL;
1850 bool labels = False;
1851 uint32 labels_data_count = 0;
1852 uint32 i;
1853 char *cur_pdata;
1854
1855 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1856 return;
1857 }
1858
1859 if (max_data_count < 16) {
1860 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1861 max_data_count));
1862 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1863 return;
1864 }
1865
1866 if (max_data_count > 16) {
1867 labels = True;
1868 }
1869
1870 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1871 if (shadow_mem_ctx == NULL) {
1872 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1873 reply_nterror(req, NT_STATUS_NO_MEMORY);
1874 return;
1875 }
1876
1877 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1878 if (shadow_data == NULL) {
1879 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1880 talloc_destroy(shadow_mem_ctx);
1881 reply_nterror(req, NT_STATUS_NO_MEMORY);
1882 return;
1883 }
1884
1885 shadow_data->mem_ctx = shadow_mem_ctx;
1886
1887 /*
1888 * Call the VFS routine to actually do the work.
1889 */
1890 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1891 talloc_destroy(shadow_data->mem_ctx);
1892 if (errno == ENOSYS) {
1893 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1894 conn->connectpath));
1895 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1896 return;
1897 } else {
1898 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1899 conn->connectpath));
1900 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1901 return;
1902 }
1903 }
1904
1905 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1906
1907 if (!labels) {
1908 data_count = 16;
1909 } else {
1910 data_count = 12+labels_data_count+4;
1911 }
1912
1913 if (max_data_count<data_count) {
1914 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1915 max_data_count,data_count));
1916 talloc_destroy(shadow_data->mem_ctx);
1917 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1918 return;
1919 }
1920
1921 pdata = nttrans_realloc(ppdata, data_count);
1922 if (pdata == NULL) {
1923 talloc_destroy(shadow_data->mem_ctx);
1924 reply_nterror(req, NT_STATUS_NO_MEMORY);
1925 return;
1926 }
1927
1928 cur_pdata = pdata;
1929
1930 /* num_volumes 4 bytes */
1931 SIVAL(pdata,0,shadow_data->num_volumes);
1932
1933 if (labels) {
1934 /* num_labels 4 bytes */
1935 SIVAL(pdata,4,shadow_data->num_volumes);
1936 }
1937
1938 /* needed_data_count 4 bytes */
1939 SIVAL(pdata,8,labels_data_count);
1940
1941 cur_pdata+=12;
1942
1943 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1944 shadow_data->num_volumes,fsp->fsp_name));
1945 if (labels && shadow_data->labels) {
1946 for (i=0;i<shadow_data->num_volumes;i++) {
1947 srvstr_push(pdata, req->flags2,
1948 cur_pdata, shadow_data->labels[i],
1949 2*sizeof(SHADOW_COPY_LABEL),
1950 STR_UNICODE|STR_TERMINATE);
1951 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1952 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1953 }
1954 }
1955
1956 talloc_destroy(shadow_data->mem_ctx);
1957
1958 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1959 pdata, data_count);
1960
1961 return;
1962 }
1963
1964 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1965 {
1966 /* pretend this succeeded -
1967 *
1968 * we have to send back a list with all files owned by this SID
1969 *
1970 * but I have to check that --metze
1971 */
1972 DOM_SID sid;
1973 uid_t uid;
1974 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1975
1976 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1977
1978 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1979 return;
1980 }
1981
1982 /* unknown 4 bytes: this is not the length of the sid :-( */
1983 /*unknown = IVAL(pdata,0);*/
1984
1985 sid_parse(pdata+4,sid_len,&sid);
1986 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1987
1988 if (!sid_to_uid(&sid, &uid)) {
1989 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1990 sid_string_dbg(&sid),
1991 (unsigned long)sid_len));
1992 uid = (-1);
1993 }
1994
1995 /* we can take a look at the find source :-)
1996 *
1997 * find ./ -uid $uid -name '*' is what we need here
1998 *
1999 *
2000 * and send 4bytes len and then NULL terminated unicode strings
2001 * for each file
2002 *
2003 * but I don't know how to deal with the paged results
2004 * (maybe we can hang the result anywhere in the fsp struct)
2005 *
2006 * we don't send all files at once
2007 * and at the next we should *not* start from the beginning,
2008 * so we have to cache the result
2009 *
2010 * --metze
2011 */
2012
2013 /* this works for now... */
2014 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2015 return;
2016 }
2017 default:
2018 if (!logged_message) {
2019 logged_message = True; /* Only print this once... */
2020 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2021 function));
2022 }
2023 }
2024
2025 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2026 }
2027
2028
2029 #ifdef HAVE_SYS_QUOTAS
2030 /****************************************************************************
2031 Reply to get user quota
2032 ****************************************************************************/
2033
2034 static void call_nt_transact_get_user_quota(connection_struct *conn,
2035 struct smb_request *req,
2036 uint16 **ppsetup,
2037 uint32 setup_count,
2038 char **ppparams,
2039 uint32 parameter_count,
2040 char **ppdata,
2041 uint32 data_count,
2042 uint32 max_data_count)
2043 {
2044 NTSTATUS nt_status = NT_STATUS_OK;
2045 char *params = *ppparams;
2046 char *pdata = *ppdata;
2047 char *entry;
2048 int data_len=0,param_len=0;
2049 int qt_len=0;
2050 int entry_len = 0;
2051 files_struct *fsp = NULL;
2052 uint16 level = 0;
2053 size_t sid_len;
2054 DOM_SID sid;
2055 bool start_enum = True;
2056 SMB_NTQUOTA_STRUCT qt;
2057 SMB_NTQUOTA_LIST *tmp_list;
2058 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2059
2060 ZERO_STRUCT(qt);
2061
2062 /* access check */
2063 if (current_user.ut.uid != 0) {
2064 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2065 lp_servicename(SNUM(conn)),conn->user));
2066 reply_doserror(req, ERRDOS, ERRnoaccess);
2067 return;
2068 }
2069
2070 /*
2071 * Ensure minimum number of parameters sent.
2072 */
2073
2074 if (parameter_count < 4) {
2075 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2076 reply_doserror(req, ERRDOS, ERRinvalidparam);
2077 return;
2078 }
2079
2080 /* maybe we can check the quota_fnum */
2081 fsp = file_fsp(SVAL(params,0));
2082 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2083 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2084 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2085 return;
2086 }
2087
2088 /* the NULL pointer checking for fsp->fake_file_handle->pd
2089 * is done by CHECK_NTQUOTA_HANDLE_OK()
2090 */
2091 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2092
2093 level = SVAL(params,2);
2094
2095 /* unknown 12 bytes leading in params */
2096
2097 switch (level) {
2098 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2099 /* seems that we should continue with the enum here --metze */
2100
2101 if (qt_handle->quota_list!=NULL &&
2102 qt_handle->tmp_list==NULL) {
2103
2104 /* free the list */
2105 free_ntquota_list(&(qt_handle->quota_list));
2106
2107 /* Realloc the size of parameters and data we will return */
2108 param_len = 4;
2109 params = nttrans_realloc(ppparams, param_len);
2110 if(params == NULL) {
2111 reply_doserror(req, ERRDOS, ERRnomem);
2112 return;
2113 }
2114
2115 data_len = 0;
2116 SIVAL(params,0,data_len);
2117
2118 break;
2119 }
2120
2121 start_enum = False;
2122
2123 case TRANSACT_GET_USER_QUOTA_LIST_START:
2124
2125 if (qt_handle->quota_list==NULL &&
2126 qt_handle->tmp_list==NULL) {
2127 start_enum = True;
2128 }
2129
2130 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2131 reply_doserror(req, ERRSRV, ERRerror);
2132 return;
2133 }
2134
2135 /* Realloc the size of parameters and data we will return */
2136 param_len = 4;
2137 params = nttrans_realloc(ppparams, param_len);
2138 if(params == NULL) {
2139 reply_doserror(req, ERRDOS, ERRnomem);
2140 return;
2141 }
2142
2143 /* we should not trust the value in max_data_count*/
2144 max_data_count = MIN(max_data_count,2048);
2145
2146 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2147 if(pdata == NULL) {
2148 reply_doserror(req, ERRDOS, ERRnomem);
2149 return;
2150 }
2151
2152 entry = pdata;
2153
2154 /* set params Size of returned Quota Data 4 bytes*/
2155 /* but set it later when we know it */
2156
2157 /* for each entry push the data */
2158
2159 if (start_enum) {
2160 qt_handle->tmp_list = qt_handle->quota_list;
2161 }
2162
2163 tmp_list = qt_handle->tmp_list;
2164
2165 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2166 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2167
2168 sid_len = ndr_size_dom_sid(
2169 &tmp_list->quotas->sid, 0);
2170 entry_len = 40 + sid_len;
2171
2172 /* nextoffset entry 4 bytes */
2173 SIVAL(entry,0,entry_len);
2174
2175 /* then the len of the SID 4 bytes */
2176 SIVAL(entry,4,sid_len);
2177
2178 /* unknown data 8 bytes SMB_BIG_UINT */
2179 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2180
2181 /* the used disk space 8 bytes SMB_BIG_UINT */
2182 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2183
2184 /* the soft quotas 8 bytes SMB_BIG_UINT */
2185 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2186
2187 /* the hard quotas 8 bytes SMB_BIG_UINT */
2188 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2189
2190 /* and now the SID */
2191 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2192 }
2193
2194 qt_handle->tmp_list = tmp_list;
2195
2196 /* overwrite the offset of the last entry */
2197 SIVAL(entry-entry_len,0,0);
2198
2199 data_len = 4+qt_len;
2200 /* overwrite the params quota_data_len */
2201 SIVAL(params,0,data_len);
2202
2203 break;
2204
2205 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2206
2207 /* unknown 4 bytes IVAL(pdata,0) */
2208
2209 if (data_count < 8) {
2210 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2211 reply_doserror(req, ERRDOS, ERRunknownlevel);
2212 return;
2213 }
2214
2215 sid_len = IVAL(pdata,4);
2216 /* Ensure this is less than 1mb. */
2217 if (sid_len > (1024*1024)) {
2218 reply_doserror(req, ERRDOS, ERRnomem);
2219 return;
2220 }
2221
2222 if (data_count < 8+sid_len) {
2223 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2224 reply_doserror(req, ERRDOS, ERRunknownlevel);
2225 return;
2226 }
2227
2228 data_len = 4+40+sid_len;
2229
2230 if (max_data_count < data_len) {
2231 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2232 max_data_count, data_len));
2233 param_len = 4;
2234 SIVAL(params,0,data_len);
2235 data_len = 0;
2236 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2237 break;
2238 }
2239
2240 sid_parse(pdata+8,sid_len,&sid);
2241
2242 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2243 ZERO_STRUCT(qt);
2244 /*
2245 * we have to return zero's in all fields
2246 * instead of returning an error here
2247 * --metze
2248 */
2249 }
2250
2251 /* Realloc the size of parameters and data we will return */
2252 param_len = 4;
2253 params = nttrans_realloc(ppparams, param_len);
2254 if(params == NULL) {
2255 reply_doserror(req, ERRDOS, ERRnomem);
2256 return;
2257 }
2258
2259 pdata = nttrans_realloc(ppdata, data_len);
2260 if(pdata == NULL) {
2261 reply_doserror(req, ERRDOS, ERRnomem);
2262 return;
2263 }
2264
2265 entry = pdata;
2266
2267 /* set params Size of returned Quota Data 4 bytes*/
2268 SIVAL(params,0,data_len);
2269
2270 /* nextoffset entry 4 bytes */
2271 SIVAL(entry,0,0);
2272
2273 /* then the len of the SID 4 bytes */
2274 SIVAL(entry,4,sid_len);
2275
2276 /* unknown data 8 bytes SMB_BIG_UINT */
2277 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2278
2279 /* the used disk space 8 bytes SMB_BIG_UINT */
2280 SBIG_UINT(entry,16,qt.usedspace);
2281
2282 /* the soft quotas 8 bytes SMB_BIG_UINT */
2283 SBIG_UINT(entry,24,qt.softlim);
2284
2285 /* the hard quotas 8 bytes SMB_BIG_UINT */
2286 SBIG_UINT(entry,32,qt.hardlim);
2287
2288 /* and now the SID */
2289 sid_linearize(entry+40, sid_len, &sid);
2290
2291 break;
2292
2293 default:
2294 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2295 reply_doserror(req, ERRSRV, ERRerror);
2296 return;
2297 break;
2298 }
2299
2300 send_nt_replies(conn, req, nt_status, params, param_len,
2301 pdata, data_len);
2302 }
2303
2304 /****************************************************************************
2305 Reply to set user quota
2306 ****************************************************************************/
2307
2308 static void call_nt_transact_set_user_quota(connection_struct *conn,
2309 struct smb_request *req,
2310 uint16 **ppsetup,
2311 uint32 setup_count,
2312 char **ppparams,
2313 uint32 parameter_count,
2314 char **ppdata,
2315 uint32 data_count,
2316 uint32 max_data_count)
2317 {
2318 char *params = *ppparams;
2319 char *pdata = *ppdata;
2320 int data_len=0,param_len=0;
2321 SMB_NTQUOTA_STRUCT qt;
2322 size_t sid_len;
2323 DOM_SID sid;
2324 files_struct *fsp = NULL;
2325
2326 ZERO_STRUCT(qt);
2327
2328 /* access check */
2329 if (current_user.ut.uid != 0) {
2330 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2331 lp_servicename(SNUM(conn)),conn->user));
2332 reply_doserror(req, ERRDOS, ERRnoaccess);
2333 return;
2334 }
2335
2336 /*
2337 * Ensure minimum number of parameters sent.
2338 */
2339
2340 if (parameter_count < 2) {
2341 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2342 reply_doserror(req, ERRDOS, ERRinvalidparam);
2343 return;
2344 }
2345
2346 /* maybe we can check the quota_fnum */
2347 fsp = file_fsp(SVAL(params,0));
2348 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2349 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2350 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2351 return;
2352 }
2353
2354 if (data_count < 40) {
2355 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2356 reply_doserror(req, ERRDOS, ERRunknownlevel);
2357 return;
2358 }
2359
2360 /* offset to next quota record.
2361 * 4 bytes IVAL(pdata,0)
2362 * unused here...
2363 */
2364
2365 /* sid len */
2366 sid_len = IVAL(pdata,4);
2367
2368 if (data_count < 40+sid_len) {
2369 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2370 reply_doserror(req, ERRDOS, ERRunknownlevel);
2371 return;
2372 }
2373
2374 /* unknown 8 bytes in pdata
2375 * maybe its the change time in NTTIME
2376 */
2377
2378 /* the used space 8 bytes (SMB_BIG_UINT)*/
2379 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2380 #ifdef LARGE_SMB_OFF_T
2381 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2382 #else /* LARGE_SMB_OFF_T */
2383 if ((IVAL(pdata,20) != 0)&&
2384 ((qt.usedspace != 0xFFFFFFFF)||
2385 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2386 /* more than 32 bits? */
2387 reply_doserror(req, ERRDOS, ERRunknownlevel);
2388 return;
2389 }
2390 #endif /* LARGE_SMB_OFF_T */
2391
2392 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2393 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2394 #ifdef LARGE_SMB_OFF_T
2395 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2396 #else /* LARGE_SMB_OFF_T */
2397 if ((IVAL(pdata,28) != 0)&&
2398 ((qt.softlim != 0xFFFFFFFF)||
2399 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2400 /* more than 32 bits? */
2401 reply_doserror(req, ERRDOS, ERRunknownlevel);
2402 return;
2403 }
2404 #endif /* LARGE_SMB_OFF_T */
2405
2406 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2407 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2408 #ifdef LARGE_SMB_OFF_T
2409 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2410 #else /* LARGE_SMB_OFF_T */
2411 if ((IVAL(pdata,36) != 0)&&
2412 ((qt.hardlim != 0xFFFFFFFF)||
2413 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2414 /* more than 32 bits? */
2415 reply_doserror(req, ERRDOS, ERRunknownlevel);
2416 return;
2417 }
2418 #endif /* LARGE_SMB_OFF_T */
2419
2420 sid_parse(pdata+40,sid_len,&sid);
2421 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2422
2423 /* 44 unknown bytes left... */
2424
2425 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2426 reply_doserror(req, ERRSRV, ERRerror);
2427 return;
2428 }
2429
2430 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2431 pdata, data_len);
2432 }
2433 #endif /* HAVE_SYS_QUOTAS */
2434
2435 static void handle_nttrans(connection_struct *conn,
2436 struct trans_state *state,
2437 struct smb_request *req)
2438 {
2439 if (Protocol >= PROTOCOL_NT1) {
2440 req->flags2 |= 0x40; /* IS_LONG_NAME */
2441 SSVAL(req->inbuf,smb_flg2,req->flags2);
2442 }
2443
2444 /* Now we must call the relevant NT_TRANS function */
2445 switch(state->call) {
2446 case NT_TRANSACT_CREATE:
2447 {
2448 START_PROFILE(NT_transact_create);
2449 call_nt_transact_create(
2450 conn, req,
2451 &state->setup, state->setup_count,
2452 &state->param, state->total_param,
2453 &state->data, state->total_data,
2454 state->max_data_return);
2455 END_PROFILE(NT_transact_create);
2456 break;
2457 }
2458
2459 case NT_TRANSACT_IOCTL:
2460 {
2461 START_PROFILE(NT_transact_ioctl);
2462 call_nt_transact_ioctl(
2463 conn, req,
2464 &state->setup, state->setup_count,
2465 &state->param, state->total_param,
2466 &state->data, state->total_data,
2467 state->max_data_return);
2468 END_PROFILE(NT_transact_ioctl);
2469 break;
2470 }
2471
2472 case NT_TRANSACT_SET_SECURITY_DESC:
2473 {
2474 START_PROFILE(NT_transact_set_security_desc);
2475 call_nt_transact_set_security_desc(
2476 conn, req,
2477 &state->setup, state->setup_count,
2478 &state->param, state->total_param,
2479 &state->data, state->total_data,
2480 state->max_data_return);
2481 END_PROFILE(NT_transact_set_security_desc);
2482 break;
2483 }
2484
2485 case NT_TRANSACT_NOTIFY_CHANGE:
2486 {
2487 START_PROFILE(NT_transact_notify_change);
2488 call_nt_transact_notify_change(
2489 conn, req,
2490 &state->setup, state->setup_count,
2491 &state->param, state->total_param,
2492 &state->data, state->total_data,
2493 state->max_data_return,
2494 state->max_param_return);
2495 END_PROFILE(NT_transact_notify_change);
2496 break;
2497 }
2498
2499 case NT_TRANSACT_RENAME:
2500 {
2501 START_PROFILE(NT_transact_rename);
2502 call_nt_transact_rename(
2503 conn, req,
2504 &state->setup, state->setup_count,
2505 &state->param, state->total_param,
2506 &state->data, state->total_data,
2507 state->max_data_return);
2508 END_PROFILE(NT_transact_rename);
2509 break;
2510 }
2511
2512 case NT_TRANSACT_QUERY_SECURITY_DESC:
2513 {
2514 START_PROFILE(NT_transact_query_security_desc);
2515 call_nt_transact_query_security_desc(
2516 conn, req,
2517 &state->setup, state->setup_count,
2518 &state->param, state->total_param,
2519 &state->data, state->total_data,
2520 state->max_data_return);
2521 END_PROFILE(NT_transact_query_security_desc);
2522 break;
2523 }
2524
2525 #ifdef HAVE_SYS_QUOTAS
2526 case NT_TRANSACT_GET_USER_QUOTA:
2527 {
2528 START_PROFILE(NT_transact_get_user_quota);
2529 call_nt_transact_get_user_quota(
2530 conn, req,
2531 &state->setup, state->setup_count,
2532 &state->param, state->total_param,
2533 &state->data, state->total_data,
2534 state->max_data_return);
2535 END_PROFILE(NT_transact_get_user_quota);
2536 break;
2537 }
2538
2539 case NT_TRANSACT_SET_USER_QUOTA:
2540 {
2541 START_PROFILE(NT_transact_set_user_quota);
2542 call_nt_transact_set_user_quota(
2543 conn, req,
2544 &state->setup, state->setup_count,
2545 &state->param, state->total_param,
2546 &state->data, state->total_data,
2547 state->max_data_return);
2548 END_PROFILE(NT_transact_set_user_quota);
2549 break;
2550 }
2551 #endif /* HAVE_SYS_QUOTAS */
2552
2553 default:
2554 /* Error in request */
2555 DEBUG(0,("handle_nttrans: Unknown request %d in "
2556 "nttrans call\n", state->call));
2557 reply_doserror(req, ERRSRV, ERRerror);
2558 return;
2559 }
2560 return;
2561 }
2562
2563 /****************************************************************************
2564 Reply to a SMBNTtrans.
2565 ****************************************************************************/
2566
2567 void reply_nttrans(struct smb_request *req)
2568 {
2569 connection_struct *conn = req->conn;
2570 uint32_t pscnt;
2571 uint32_t psoff;
2572 uint32_t dscnt;
2573 uint32_t dsoff;
2574 uint16 function_code;
2575 NTSTATUS result;
2576 struct trans_state *state;
2577 uint32_t size;
2578 uint32_t av_size;
2579
2580 START_PROFILE(SMBnttrans);
2581
2582 if (req->wct < 19) {
2583 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2584 END_PROFILE(SMBnttrans);
2585 return;
2586 }
2587
2588 size = smb_len(req->inbuf) + 4;
2589 av_size = smb_len(req->inbuf);
2590 pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2591 psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2592 dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2593 dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2594 function_code = SVAL(req->inbuf, smb_nt_Function);
2595
2596 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2597 reply_doserror(req, ERRSRV, ERRaccess);
2598 END_PROFILE(SMBnttrans);
2599 return;
2600 }
2601
2602 result = allow_new_trans(conn->pending_trans, req->mid);
2603 if (!NT_STATUS_IS_OK(result)) {
2604 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2605 reply_nterror(req, result);
2606 END_PROFILE(SMBnttrans);
2607 return;
2608 }
2609
2610 if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2611 reply_doserror(req, ERRSRV, ERRaccess);
2612 END_PROFILE(SMBnttrans);
2613 return;
2614 }
2615
2616 state->cmd = SMBnttrans;
2617
2618 state->mid = req->mid;
2619 state->vuid = req->vuid;
2620 state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2621 state->data = NULL;
2622 state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2623 state->param = NULL;
2624 state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2625 state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2626
2627 /* setup count is in *words* */
2628 state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2629 state->setup = NULL;
2630 state->call = function_code;
2631
2632 /*
2633 * All nttrans messages we handle have smb_wct == 19 +
2634 * state->setup_count. Ensure this is so as a sanity check.
2635 */
2636
2637 if(req->wct != 19 + (state->setup_count/2)) {
2638 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2639 req->wct, 19 + (state->setup_count/2)));
2640 goto bad_param;
2641 }
2642
2643 /* Don't allow more than 128mb for each value. */
2644 if ((state->total_data > (1024*1024*128)) ||
2645 (state->total_param > (1024*1024*128))) {
2646 reply_doserror(req, ERRDOS, ERRnomem);
2647 END_PROFILE(SMBnttrans);
2648 return;
2649 }
2650
2651 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2652 goto bad_param;
2653
2654 if (state->total_data) {
2655 /* Can't use talloc here, the core routines do realloc on the
2656 * params and data. */
2657 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2658 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2659 "bytes !\n", (unsigned int)state->total_data));
2660 TALLOC_FREE(state);
2661 reply_doserror(req, ERRDOS, ERRnomem);
2662 END_PROFILE(SMBnttrans);
2663 return;
2664 }
2665
2666 if (dscnt > state->total_data ||
2667 dsoff+dscnt < dsoff) {
2668 goto bad_param;
2669 }
2670
2671 if (dsoff > av_size ||
2672 dscnt > av_size ||
2673 dsoff+dscnt > av_size) {
2674 goto bad_param;
2675 }
2676
2677 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2678 }
2679
2680 if (state->total_param) {
2681 /* Can't use talloc here, the core routines do realloc on the
2682 * params and data. */
2683 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2684 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2685 "bytes !\n", (unsigned int)state->total_param));
2686 SAFE_FREE(state->data);
2687 TALLOC_FREE(state);
2688 reply_doserror(req, ERRDOS, ERRnomem);
2689 END_PROFILE(SMBnttrans);
2690 return;
2691 }
2692
2693 if (pscnt > state->total_param ||
2694 psoff+pscnt < psoff) {
2695 goto bad_param;
2696 }
2697
2698 if (psoff > av_size ||
2699 pscnt > av_size ||
2700 psoff+pscnt > av_size) {
2701 goto bad_param;
2702 }
2703
2704 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2705 }
2706
2707 state->received_data = dscnt;
2708 state->received_param = pscnt;
2709
2710 if(state->setup_count > 0) {
2711 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2712 state->setup_count));
2713 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2714 if (state->setup == NULL) {
2715 DEBUG(0,("reply_nttrans : Out of memory\n"));
2716 SAFE_FREE(state->data);
2717 SAFE_FREE(state->param);
2718 TALLOC_FREE(state);
2719 reply_doserror(req, ERRDOS, ERRnomem);
2720 END_PROFILE(SMBnttrans);
2721 return;
2722 }
2723
2724 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2725 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2726 goto bad_param;
2727 }
2728 if (smb_nt_SetupStart + state->setup_count > size) {
2729 goto bad_param;
2730 }
2731
2732 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2733 state->setup_count);
2734 dump_data(10, (uint8 *)state->setup, state->setup_count);
2735 }
2736
2737 if ((state->received_data == state->total_data) &&
2738 (state->received_param == state->total_param)) {
2739 handle_nttrans(conn, state, req);
2740 SAFE_FREE(state->param);
2741 SAFE_FREE(state->data);
2742 TALLOC_FREE(state);
2743 END_PROFILE(SMBnttrans);
2744 return;
2745 }
2746
2747 DLIST_ADD(conn->pending_trans, state);
2748
2749 /* We need to send an interim response then receive the rest
2750 of the parameter/data bytes */
2751 reply_outbuf(req, 0, 0);
2752 show_msg((char *)req->outbuf);
2753 END_PROFILE(SMBnttrans);
2754 return;
2755
2756 bad_param:
2757
2758 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2759 SAFE_FREE(state->data);
2760 SAFE_FREE(state->param);
2761 TALLOC_FREE(state);
2762 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2763 END_PROFILE(SMBnttrans);
2764 return;
2765 }
2766
2767 /****************************************************************************
2768 Reply to a SMBnttranss
2769 ****************************************************************************/
2770
2771 void reply_nttranss(struct smb_request *req)
2772 {
2773 connection_struct *conn = req->conn;
2774 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2775 struct trans_state *state;
2776 uint32_t av_size;
2777 uint32_t size;
2778
2779 START_PROFILE(SMBnttranss);
2780
2781 show_msg((char *)req->inbuf);
2782
2783 if (req->wct < 18) {
2784 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2785 END_PROFILE(SMBnttranss);
2786 return;
2787 }
2788
2789 for (state = conn->pending_trans; state != NULL;
2790 state = state->next) {
2791 if (state->mid == req->mid) {
2792 break;
2793 }
2794 }
2795
2796 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2797 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2798 END_PROFILE(SMBnttranss);
2799 return;
2800 }
2801
2802 /* Revise state->total_param and state->total_data in case they have
2803 changed downwards */
2804 if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2805 < state->total_param) {
2806 state->total_param = IVAL(req->inbuf,
2807 smb_nts_TotalParameterCount);
2808 }
2809 if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2810 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2811 }
2812
2813 size = smb_len(req->inbuf) + 4;
2814 av_size = smb_len(req->inbuf);
2815
2816 pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2817 poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2818 pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2819
2820 dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2821 ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2822 doff = IVAL(req->inbuf, smb_nts_DataOffset);
2823
2824 state->received_param += pcnt;
2825 state->received_data += dcnt;
2826
2827 if ((state->received_data > state->total_data) ||
2828 (state->received_param > state->total_param))
2829 goto bad_param;
2830
2831 if (pcnt) {
2832 if (pdisp > state->total_param ||
2833 pcnt > state->total_param ||
2834 pdisp+pcnt > state->total_param ||
2835 pdisp+pcnt < pdisp) {
2836 goto bad_param;
2837 }
2838
2839 if (poff > av_size ||
2840 pcnt > av_size ||
2841 poff+pcnt > av_size ||
2842 poff+pcnt < poff) {
2843 goto bad_param;
2844 }
2845
2846 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2847 pcnt);
2848 }
2849
2850 if (dcnt) {
2851 if (ddisp > state->total_data ||
2852 dcnt > state->total_data ||
2853 ddisp+dcnt > state->total_data ||
2854 ddisp+dcnt < ddisp) {
2855 goto bad_param;
2856 }
2857
2858 if (ddisp > av_size ||
2859 dcnt > av_size ||
2860 ddisp+dcnt > av_size ||
2861 ddisp+dcnt < ddisp) {
2862 goto bad_param;
2863 }
2864
2865 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2866 dcnt);
2867 }
2868
2869 if ((state->received_param < state->total_param) ||
2870 (state->received_data < state->total_data)) {
2871 END_PROFILE(SMBnttranss);
2872 return;
2873 }
2874
2875 /*
2876 * construct_reply_common will copy smb_com from inbuf to
2877 * outbuf. SMBnttranss is wrong here.
2878 */
2879 SCVAL(req->inbuf,smb_com,SMBnttrans);
2880
2881 handle_nttrans(conn, state, req);
2882
2883 DLIST_REMOVE(conn->pending_trans, state);
2884 SAFE_FREE(state->data);
2885 SAFE_FREE(state->param);
2886 TALLOC_FREE(state);
2887 END_PROFILE(SMBnttranss);
2888 return;
2889
2890 bad_param:
2891
2892 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2893 DLIST_REMOVE(conn->pending_trans, state);
2894 SAFE_FREE(state->data);
2895 SAFE_FREE(state->param);
2896 TALLOC_FREE(state);
2897 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2898 END_PROFILE(SMBnttranss);
2899 return;
2900 }
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