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loadparm: fix spacing in parm_table (training spaces and empty lines).
[Samba.git] / source / smbd / nttrans.c
blob5293ca534766a3c8a243024f575719600c4fb60b
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 * If it's an IPC, use the pipe handler.
494 */
495
496 if (IS_IPC(conn)) {
497 if (lp_nt_pipe_support()) {
498 do_ntcreate_pipe_open(conn, req);
499 END_PROFILE(SMBntcreateX);
500 return;
501 } else {
502 reply_doserror(req, ERRDOS, ERRnoaccess);
503 END_PROFILE(SMBntcreateX);
504 return;
505 }
506 }
507
508 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
509 if (oplock_request) {
510 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
511 ? BATCH_OPLOCK : 0;
512 }
513
514 status = create_file(conn, req, root_dir_fid, fname,
515 access_mask, share_access, create_disposition,
516 create_options, file_attributes, oplock_request,
517 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
518
519 if (!NT_STATUS_IS_OK(status)) {
520 if (open_was_deferred(req->mid)) {
521 /* We have re-scheduled this call, no error. */
522 END_PROFILE(SMBntcreateX);
523 return;
524 }
525 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
526 reply_botherror(req, status, ERRDOS, ERRfilexists);
527 }
528 else {
529 reply_nterror(req, status);
530 }
531 END_PROFILE(SMBntcreateX);
532 return;
533 }
534
535 /*
536 * If the caller set the extended oplock request bit
537 * and we granted one (by whatever means) - set the
538 * correct bit for extended oplock reply.
539 */
540
541 if (oplock_request &&
542 (lp_fake_oplocks(SNUM(conn))
543 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
544
545 /*
546 * Exclusive oplock granted
547 */
548
549 if (flags & REQUEST_BATCH_OPLOCK) {
550 oplock_granted = BATCH_OPLOCK_RETURN;
551 } else {
552 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
553 }
554 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
555 oplock_granted = LEVEL_II_OPLOCK_RETURN;
556 } else {
557 oplock_granted = NO_OPLOCK_RETURN;
558 }
559
560 file_len = sbuf.st_size;
561 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
562 if (fattr == 0) {
563 fattr = FILE_ATTRIBUTE_NORMAL;
564 }
565
566 if (flags & EXTENDED_RESPONSE_REQUIRED) {
567 /* This is very strange. We
568 * return 50 words, but only set
569 * the wcnt to 42 ? It's definately
570 * what happens on the wire....
571 */
572 reply_outbuf(req, 50, 0);
573 SCVAL(req->outbuf,smb_wct,42);
574 } else {
575 reply_outbuf(req, 34, 0);
576 }
577
578 p = (char *)req->outbuf + smb_vwv2;
579
580 SCVAL(p, 0, oplock_granted);
581
582 p++;
583 SSVAL(p,0,fsp->fnum);
584 p += 2;
585 if ((create_disposition == FILE_SUPERSEDE)
586 && (info == FILE_WAS_OVERWRITTEN)) {
587 SIVAL(p,0,FILE_WAS_SUPERSEDED);
588 } else {
589 SIVAL(p,0,info);
590 }
591 p += 4;
592
593 /* Create time. */
594 c_timespec = get_create_timespec(
595 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
596 a_timespec = get_atimespec(&sbuf);
597 m_timespec = get_mtimespec(&sbuf);
598
599 if (lp_dos_filetime_resolution(SNUM(conn))) {
600 dos_filetime_timespec(&c_timespec);
601 dos_filetime_timespec(&a_timespec);
602 dos_filetime_timespec(&m_timespec);
603 }
604
605 put_long_date_timespec(p, c_timespec); /* create time. */
606 p += 8;
607 put_long_date_timespec(p, a_timespec); /* access time */
608 p += 8;
609 put_long_date_timespec(p, m_timespec); /* write time */
610 p += 8;
611 put_long_date_timespec(p, m_timespec); /* change time */
612 p += 8;
613 SIVAL(p,0,fattr); /* File Attributes. */
614 p += 4;
615 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
616 p += 8;
617 SOFF_T(p,0,file_len);
618 p += 8;
619 if (flags & EXTENDED_RESPONSE_REQUIRED) {
620 SSVAL(p,2,0x7);
621 }
622 p += 4;
623 SCVAL(p,0,fsp->is_directory ? 1 : 0);
624
625 if (flags & EXTENDED_RESPONSE_REQUIRED) {
626 uint32 perms = 0;
627 p += 25;
628 if (fsp->is_directory
629 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
630 perms = FILE_GENERIC_ALL;
631 } else {
632 perms = FILE_GENERIC_READ|FILE_EXECUTE;
633 }
634 SIVAL(p,0,perms);
635 }
636
637 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
638 fsp->fnum, fsp->fsp_name));
639
640 chain_reply(req);
641 END_PROFILE(SMBntcreateX);
642 return;
643 }
644
645 /****************************************************************************
646 Reply to a NT_TRANSACT_CREATE call to open a pipe.
647 ****************************************************************************/
648
649 static void do_nt_transact_create_pipe(connection_struct *conn,
650 struct smb_request *req,
651 uint16 **ppsetup, uint32 setup_count,
652 char **ppparams, uint32 parameter_count,
653 char **ppdata, uint32 data_count)
654 {
655 char *fname = NULL;
656 char *params = *ppparams;
657 int pnum = -1;
658 char *p = NULL;
659 NTSTATUS status;
660 size_t param_len;
661 uint32 flags;
662 TALLOC_CTX *ctx = talloc_tos();
663
664 /*
665 * Ensure minimum number of parameters sent.
666 */
667
668 if(parameter_count < 54) {
669 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
670 reply_doserror(req, ERRDOS, ERRnoaccess);
671 return;
672 }
673
674 flags = IVAL(params,0);
675
676 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
677 parameter_count-53, STR_TERMINATE,
678 &status);
679 if (!NT_STATUS_IS_OK(status)) {
680 reply_nterror(req, status);
681 return;
682 }
683
684 nt_open_pipe(fname, conn, req, &pnum);
685
686 if (req->outbuf) {
687 /* Error return */
688 return;
689 }
690
691 /* Realloc the size of parameters and data we will return */
692 if (flags & EXTENDED_RESPONSE_REQUIRED) {
693 /* Extended response is 32 more byyes. */
694 param_len = 101;
695 } else {
696 param_len = 69;
697 }
698 params = nttrans_realloc(ppparams, param_len);
699 if(params == NULL) {
700 reply_doserror(req, ERRDOS, ERRnomem);
701 return;
702 }
703
704 p = params;
705 SCVAL(p,0,NO_OPLOCK_RETURN);
706
707 p += 2;
708 SSVAL(p,0,pnum);
709 p += 2;
710 SIVAL(p,0,FILE_WAS_OPENED);
711 p += 8;
712
713 p += 32;
714 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
715 p += 20;
716 /* File type. */
717 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
718 /* Device state. */
719 SSVAL(p,2, 0x5FF); /* ? */
720 p += 4;
721
722 if (flags & EXTENDED_RESPONSE_REQUIRED) {
723 p += 25;
724 SIVAL(p,0,FILE_GENERIC_ALL);
725 /*
726 * For pipes W2K3 seems to return
727 * 0x12019B next.
728 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
729 */
730 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
731 }
732
733 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
734
735 /* Send the required number of replies */
736 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
737
738 return;
739 }
740
741 /****************************************************************************
742 Internal fn to set security descriptors.
743 ****************************************************************************/
744
745 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
746 uint32 security_info_sent)
747 {
748 SEC_DESC *psd = NULL;
749 NTSTATUS status;
750
751 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
752 return NT_STATUS_OK;
753 }
754
755 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
756
757 if (!NT_STATUS_IS_OK(status)) {
758 return status;
759 }
760
761 if (psd->owner_sid==0) {
762 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
763 }
764 if (psd->group_sid==0) {
765 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
766 }
767 if (psd->sacl==0) {
768 security_info_sent &= ~SACL_SECURITY_INFORMATION;
769 }
770 if (psd->dacl==0) {
771 security_info_sent &= ~DACL_SECURITY_INFORMATION;
772 }
773
774 if (fsp->fh->fd != -1) {
775 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
776 }
777 else {
778 status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name,
779 security_info_sent, psd);
780 }
781
782 TALLOC_FREE(psd);
783
784 return status;
785 }
786
787 /****************************************************************************
788 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
789 ****************************************************************************/
790
791 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
792 {
793 struct ea_list *ea_list_head = NULL;
794 size_t offset = 0;
795
796 if (data_size < 4) {
797 return NULL;
798 }
799
800 while (offset + 4 <= data_size) {
801 size_t next_offset = IVAL(pdata,offset);
802 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
803
804 if (!eal) {
805 return NULL;
806 }
807
808 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
809 if (next_offset == 0) {
810 break;
811 }
812 offset += next_offset;
813 }
814
815 return ea_list_head;
816 }
817
818 /****************************************************************************
819 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
820 ****************************************************************************/
821
822 static void call_nt_transact_create(connection_struct *conn,
823 struct smb_request *req,
824 uint16 **ppsetup, uint32 setup_count,
825 char **ppparams, uint32 parameter_count,
826 char **ppdata, uint32 data_count,
827 uint32 max_data_count)
828 {
829 char *fname = NULL;
830 char *params = *ppparams;
831 char *data = *ppdata;
832 /* Breakout the oplock request bits so we can set the reply bits separately. */
833 uint32 fattr=0;
834 SMB_OFF_T file_len = 0;
835 SMB_STRUCT_STAT sbuf;
836 int info = 0;
837 files_struct *fsp = NULL;
838 char *p = NULL;
839 uint32 flags;
840 uint32 access_mask;
841 uint32 file_attributes;
842 uint32 share_access;
843 uint32 create_disposition;
844 uint32 create_options;
845 uint32 sd_len;
846 struct security_descriptor *sd = NULL;
847 uint32 ea_len;
848 uint16 root_dir_fid;
849 struct timespec c_timespec;
850 struct timespec a_timespec;
851 struct timespec m_timespec;
852 struct ea_list *ea_list = NULL;
853 NTSTATUS status;
854 size_t param_len;
855 SMB_BIG_UINT allocation_size;
856 int oplock_request;
857 uint8_t oplock_granted;
858 TALLOC_CTX *ctx = talloc_tos();
859
860 DEBUG(5,("call_nt_transact_create\n"));
861
862 /*
863 * If it's an IPC, use the pipe handler.
864 */
865
866 if (IS_IPC(conn)) {
867 if (lp_nt_pipe_support()) {
868 do_nt_transact_create_pipe(
869 conn, req,
870 ppsetup, setup_count,
871 ppparams, parameter_count,
872 ppdata, data_count);
873 return;
874 } else {
875 reply_doserror(req, ERRDOS, ERRnoaccess);
876 return;
877 }
878 }
879
880 /*
881 * Ensure minimum number of parameters sent.
882 */
883
884 if(parameter_count < 54) {
885 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
886 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
887 return;
888 }
889
890 flags = IVAL(params,0);
891 access_mask = IVAL(params,8);
892 file_attributes = IVAL(params,20);
893 share_access = IVAL(params,24);
894 create_disposition = IVAL(params,28);
895 create_options = IVAL(params,32);
896 sd_len = IVAL(params,36);
897 ea_len = IVAL(params,40);
898 root_dir_fid = (uint16)IVAL(params,4);
899 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
900 #ifdef LARGE_SMB_OFF_T
901 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
902 #endif
903
904 /* Ensure the data_len is correct for the sd and ea values given. */
905 if ((ea_len + sd_len > data_count)
906 || (ea_len > data_count) || (sd_len > data_count)
907 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
908 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
909 "%u, data_count = %u\n", (unsigned int)ea_len,
910 (unsigned int)sd_len, (unsigned int)data_count));
911 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
912 return;
913 }
914
915 if (sd_len) {
916 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
917 sd_len));
918
919 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
920 &sd);
921 if (!NT_STATUS_IS_OK(status)) {
922 DEBUG(10, ("call_nt_transact_create: "
923 "unmarshall_sec_desc failed: %s\n",
924 nt_errstr(status)));
925 reply_nterror(req, status);
926 return;
927 }
928 }
929
930 if (ea_len) {
931 if (!lp_ea_support(SNUM(conn))) {
932 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
933 "EA's not supported.\n",
934 (unsigned int)ea_len));
935 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
936 return;
937 }
938
939 if (ea_len < 10) {
940 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
941 "too small (should be more than 10)\n",
942 (unsigned int)ea_len ));
943 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
944 return;
945 }
946
947 /* We have already checked that ea_len <= data_count here. */
948 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
949 ea_len);
950 if (ea_list == NULL) {
951 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
952 return;
953 }
954 }
955
956 srvstr_get_path(ctx, params, req->flags2, &fname,
957 params+53, parameter_count-53,
958 STR_TERMINATE, &status);
959 if (!NT_STATUS_IS_OK(status)) {
960 reply_nterror(req, status);
961 return;
962 }
963
964 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
965 if (oplock_request) {
966 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
967 ? BATCH_OPLOCK : 0;
968 }
969
970 status = create_file(conn, req, root_dir_fid, fname,
971 access_mask, share_access, create_disposition,
972 create_options, file_attributes, oplock_request,
973 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
974
975 if(!NT_STATUS_IS_OK(status)) {
976 if (open_was_deferred(req->mid)) {
977 /* We have re-scheduled this call, no error. */
978 return;
979 }
980 reply_openerror(req, status);
981 return;
982 }
983
984 /*
985 * If the caller set the extended oplock request bit
986 * and we granted one (by whatever means) - set the
987 * correct bit for extended oplock reply.
988 */
989
990 if (oplock_request &&
991 (lp_fake_oplocks(SNUM(conn))
992 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
993
994 /*
995 * Exclusive oplock granted
996 */
997
998 if (flags & REQUEST_BATCH_OPLOCK) {
999 oplock_granted = BATCH_OPLOCK_RETURN;
1000 } else {
1001 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1002 }
1003 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1004 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1005 } else {
1006 oplock_granted = NO_OPLOCK_RETURN;
1007 }
1008
1009 file_len = sbuf.st_size;
1010 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1011 if (fattr == 0) {
1012 fattr = FILE_ATTRIBUTE_NORMAL;
1013 }
1014
1015 /* Realloc the size of parameters and data we will return */
1016 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1017 /* Extended response is 32 more byyes. */
1018 param_len = 101;
1019 } else {
1020 param_len = 69;
1021 }
1022 params = nttrans_realloc(ppparams, param_len);
1023 if(params == NULL) {
1024 reply_doserror(req, ERRDOS, ERRnomem);
1025 return;
1026 }
1027
1028 p = params;
1029 SCVAL(p, 0, oplock_granted);
1030
1031 p += 2;
1032 SSVAL(p,0,fsp->fnum);
1033 p += 2;
1034 if ((create_disposition == FILE_SUPERSEDE)
1035 && (info == FILE_WAS_OVERWRITTEN)) {
1036 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1037 } else {
1038 SIVAL(p,0,info);
1039 }
1040 p += 8;
1041
1042 /* Create time. */
1043 c_timespec = get_create_timespec(
1044 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1045 a_timespec = get_atimespec(&sbuf);
1046 m_timespec = get_mtimespec(&sbuf);
1047
1048 if (lp_dos_filetime_resolution(SNUM(conn))) {
1049 dos_filetime_timespec(&c_timespec);
1050 dos_filetime_timespec(&a_timespec);
1051 dos_filetime_timespec(&m_timespec);
1052 }
1053
1054 put_long_date_timespec(p, c_timespec); /* create time. */
1055 p += 8;
1056 put_long_date_timespec(p, a_timespec); /* access time */
1057 p += 8;
1058 put_long_date_timespec(p, m_timespec); /* write time */
1059 p += 8;
1060 put_long_date_timespec(p, m_timespec); /* change time */
1061 p += 8;
1062 SIVAL(p,0,fattr); /* File Attributes. */
1063 p += 4;
1064 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1065 p += 8;
1066 SOFF_T(p,0,file_len);
1067 p += 8;
1068 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1069 SSVAL(p,2,0x7);
1070 }
1071 p += 4;
1072 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1073
1074 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1075 uint32 perms = 0;
1076 p += 25;
1077 if (fsp->is_directory
1078 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1079 perms = FILE_GENERIC_ALL;
1080 } else {
1081 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1082 }
1083 SIVAL(p,0,perms);
1084 }
1085
1086 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1087
1088 /* Send the required number of replies */
1089 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1090
1091 return;
1092 }
1093
1094 /****************************************************************************
1095 Reply to a NT CANCEL request.
1096 conn POINTER CAN BE NULL HERE !
1097 ****************************************************************************/
1098
1099 void reply_ntcancel(struct smb_request *req)
1100 {
1101 /*
1102 * Go through and cancel any pending change notifies.
1103 */
1104
1105 START_PROFILE(SMBntcancel);
1106 remove_pending_change_notify_requests_by_mid(req->mid);
1107 remove_pending_lock_requests_by_mid(req->mid);
1108 srv_cancel_sign_response(req->mid);
1109
1110 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1111
1112 END_PROFILE(SMBntcancel);
1113 return;
1114 }
1115
1116 /****************************************************************************
1117 Copy a file.
1118 ****************************************************************************/
1119
1120 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1121 connection_struct *conn,
1122 struct smb_request *req,
1123 const char *oldname_in,
1124 const char *newname_in,
1125 uint32 attrs)
1126 {
1127 SMB_STRUCT_STAT sbuf1, sbuf2;
1128 char *oldname = NULL;
1129 char *newname = NULL;
1130 char *last_component_oldname = NULL;
1131 char *last_component_newname = NULL;
1132 files_struct *fsp1,*fsp2;
1133 uint32 fattr;
1134 int info;
1135 SMB_OFF_T ret=-1;
1136 NTSTATUS status = NT_STATUS_OK;
1137
1138 ZERO_STRUCT(sbuf1);
1139 ZERO_STRUCT(sbuf2);
1140
1141 if (!CAN_WRITE(conn)) {
1142 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1143 }
1144
1145 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1146 &last_component_oldname, &sbuf1);
1147 if (!NT_STATUS_IS_OK(status)) {
1148 return status;
1149 }
1150
1151 status = check_name(conn, oldname);
1152 if (!NT_STATUS_IS_OK(status)) {
1153 return status;
1154 }
1155
1156 /* Source must already exist. */
1157 if (!VALID_STAT(sbuf1)) {
1158 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1159 }
1160 /* Ensure attributes match. */
1161 fattr = dos_mode(conn,oldname,&sbuf1);
1162 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1163 return NT_STATUS_NO_SUCH_FILE;
1164 }
1165
1166 status = unix_convert(ctx, conn, newname_in, False, &newname,
1167 &last_component_newname, &sbuf2);
1168 if (!NT_STATUS_IS_OK(status)) {
1169 return status;
1170 }
1171
1172 status = check_name(conn, newname);
1173 if (!NT_STATUS_IS_OK(status)) {
1174 return status;
1175 }
1176
1177 /* Disallow if newname already exists. */
1178 if (VALID_STAT(sbuf2)) {
1179 return NT_STATUS_OBJECT_NAME_COLLISION;
1180 }
1181
1182 /* No links from a directory. */
1183 if (S_ISDIR(sbuf1.st_mode)) {
1184 return NT_STATUS_FILE_IS_A_DIRECTORY;
1185 }
1186
1187 /* Ensure this is within the share. */
1188 status = check_reduced_name(conn, oldname);
1189 if (!NT_STATUS_IS_OK(status)) {
1190 return status;
1191 }
1192
1193 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1194 oldname, newname));
1195
1196 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1197 FILE_READ_DATA, /* Read-only. */
1198 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1199 FILE_OPEN,
1200 0, /* No create options. */
1201 FILE_ATTRIBUTE_NORMAL,
1202 NO_OPLOCK,
1203 &info, &fsp1);
1204
1205 if (!NT_STATUS_IS_OK(status)) {
1206 return status;
1207 }
1208
1209 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1210 FILE_WRITE_DATA, /* Read-only. */
1211 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1212 FILE_CREATE,
1213 0, /* No create options. */
1214 fattr,
1215 NO_OPLOCK,
1216 &info, &fsp2);
1217
1218 if (!NT_STATUS_IS_OK(status)) {
1219 close_file(fsp1,ERROR_CLOSE);
1220 return status;
1221 }
1222
1223 if (sbuf1.st_size) {
1224 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1225 }
1226
1227 /*
1228 * As we are opening fsp1 read-only we only expect
1229 * an error on close on fsp2 if we are out of space.
1230 * Thus we don't look at the error return from the
1231 * close of fsp1.
1232 */
1233 close_file(fsp1,NORMAL_CLOSE);
1234
1235 /* Ensure the modtime is set correctly on the destination file. */
1236 fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1237
1238 status = close_file(fsp2,NORMAL_CLOSE);
1239
1240 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1241 creates the file. This isn't the correct thing to do in the copy
1242 case. JRA */
1243 file_set_dosmode(conn, newname, fattr, &sbuf2,
1244 parent_dirname(newname),false);
1245
1246 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1247 return NT_STATUS_DISK_FULL;
1248 }
1249
1250 if (!NT_STATUS_IS_OK(status)) {
1251 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1252 nt_errstr(status), oldname, newname));
1253 }
1254 return status;
1255 }
1256
1257 /****************************************************************************
1258 Reply to a NT rename request.
1259 ****************************************************************************/
1260
1261 void reply_ntrename(struct smb_request *req)
1262 {
1263 connection_struct *conn = req->conn;
1264 char *oldname = NULL;
1265 char *newname = NULL;
1266 char *p;
1267 NTSTATUS status;
1268 bool src_has_wcard = False;
1269 bool dest_has_wcard = False;
1270 uint32 attrs;
1271 uint16 rename_type;
1272 TALLOC_CTX *ctx = talloc_tos();
1273
1274 START_PROFILE(SMBntrename);
1275
1276 if (req->wct < 4) {
1277 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1278 END_PROFILE(SMBntrename);
1279 return;
1280 }
1281
1282 attrs = SVAL(req->inbuf,smb_vwv0);
1283 rename_type = SVAL(req->inbuf,smb_vwv1);
1284
1285 p = smb_buf(req->inbuf) + 1;
1286 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1287 0, STR_TERMINATE, &status,
1288 &src_has_wcard);
1289 if (!NT_STATUS_IS_OK(status)) {
1290 reply_nterror(req, status);
1291 END_PROFILE(SMBntrename);
1292 return;
1293 }
1294
1295 if( is_ntfs_stream_name(oldname)) {
1296 /* Can't rename a stream. */
1297 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1298 END_PROFILE(SMBntrename);
1299 return;
1300 }
1301
1302 if (ms_has_wild(oldname)) {
1303 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1304 END_PROFILE(SMBntrename);
1305 return;
1306 }
1307
1308 p++;
1309 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1310 0, STR_TERMINATE, &status,
1311 &dest_has_wcard);
1312 if (!NT_STATUS_IS_OK(status)) {
1313 reply_nterror(req, status);
1314 END_PROFILE(SMBntrename);
1315 return;
1316 }
1317
1318 status = resolve_dfspath(ctx, conn,
1319 req->flags2 & FLAGS2_DFS_PATHNAMES,
1320 oldname,
1321 &oldname);
1322 if (!NT_STATUS_IS_OK(status)) {
1323 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1324 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1325 ERRSRV, ERRbadpath);
1326 END_PROFILE(SMBntrename);
1327 return;
1328 }
1329 reply_nterror(req, status);
1330 END_PROFILE(SMBntrename);
1331 return;
1332 }
1333
1334 status = resolve_dfspath(ctx, conn,
1335 req->flags2 & FLAGS2_DFS_PATHNAMES,
1336 newname,
1337 &newname);
1338 if (!NT_STATUS_IS_OK(status)) {
1339 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1340 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1341 ERRSRV, ERRbadpath);
1342 END_PROFILE(SMBntrename);
1343 return;
1344 }
1345 reply_nterror(req, status);
1346 END_PROFILE(SMBntrename);
1347 return;
1348 }
1349
1350 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1351
1352 switch(rename_type) {
1353 case RENAME_FLAG_RENAME:
1354 status = rename_internals(ctx, conn, req, oldname,
1355 newname, attrs, False, src_has_wcard,
1356 dest_has_wcard);
1357 break;
1358 case RENAME_FLAG_HARD_LINK:
1359 if (src_has_wcard || dest_has_wcard) {
1360 /* No wildcards. */
1361 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1362 } else {
1363 status = hardlink_internals(ctx,
1364 conn,
1365 oldname,
1366 newname);
1367 }
1368 break;
1369 case RENAME_FLAG_COPY:
1370 if (src_has_wcard || dest_has_wcard) {
1371 /* No wildcards. */
1372 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1373 } else {
1374 status = copy_internals(ctx, conn, req, oldname,
1375 newname, attrs);
1376 }
1377 break;
1378 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1379 status = NT_STATUS_INVALID_PARAMETER;
1380 break;
1381 default:
1382 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1383 break;
1384 }
1385
1386 if (!NT_STATUS_IS_OK(status)) {
1387 if (open_was_deferred(req->mid)) {
1388 /* We have re-scheduled this call. */
1389 END_PROFILE(SMBntrename);
1390 return;
1391 }
1392
1393 reply_nterror(req, status);
1394 END_PROFILE(SMBntrename);
1395 return;
1396 }
1397
1398 reply_outbuf(req, 0, 0);
1399
1400 END_PROFILE(SMBntrename);
1401 return;
1402 }
1403
1404 /****************************************************************************
1405 Reply to a notify change - queue the request and
1406 don't allow a directory to be opened.
1407 ****************************************************************************/
1408
1409 static void call_nt_transact_notify_change(connection_struct *conn,
1410 struct smb_request *req,
1411 uint16 **ppsetup,
1412 uint32 setup_count,
1413 char **ppparams,
1414 uint32 parameter_count,
1415 char **ppdata, uint32 data_count,
1416 uint32 max_data_count,
1417 uint32 max_param_count)
1418 {
1419 uint16 *setup = *ppsetup;
1420 files_struct *fsp;
1421 uint32 filter;
1422 NTSTATUS status;
1423 bool recursive;
1424
1425 if(setup_count < 6) {
1426 reply_doserror(req, ERRDOS, ERRbadfunc);
1427 return;
1428 }
1429
1430 fsp = file_fsp(SVAL(setup,4));
1431 filter = IVAL(setup, 0);
1432 recursive = (SVAL(setup, 6) != 0) ? True : False;
1433
1434 DEBUG(3,("call_nt_transact_notify_change\n"));
1435
1436 if(!fsp) {
1437 reply_doserror(req, ERRDOS, ERRbadfid);
1438 return;
1439 }
1440
1441 {
1442 char *filter_string;
1443
1444 if (!(filter_string = notify_filter_string(NULL, filter))) {
1445 reply_nterror(req,NT_STATUS_NO_MEMORY);
1446 return;
1447 }
1448
1449 DEBUG(3,("call_nt_transact_notify_change: notify change "
1450 "called on %s, filter = %s, recursive = %d\n",
1451 fsp->fsp_name, filter_string, recursive));
1452
1453 TALLOC_FREE(filter_string);
1454 }
1455
1456 if((!fsp->is_directory) || (conn != fsp->conn)) {
1457 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1458 return;
1459 }
1460
1461 if (fsp->notify == NULL) {
1462
1463 status = change_notify_create(fsp, filter, recursive);
1464
1465 if (!NT_STATUS_IS_OK(status)) {
1466 DEBUG(10, ("change_notify_create returned %s\n",
1467 nt_errstr(status)));
1468 reply_nterror(req, status);
1469 return;
1470 }
1471 }
1472
1473 if (fsp->notify->num_changes != 0) {
1474
1475 /*
1476 * We've got changes pending, respond immediately
1477 */
1478
1479 /*
1480 * TODO: write a torture test to check the filtering behaviour
1481 * here.
1482 */
1483
1484 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1485
1486 /*
1487 * change_notify_reply() above has independently sent its
1488 * results
1489 */
1490 return;
1491 }
1492
1493 /*
1494 * No changes pending, queue the request
1495 */
1496
1497 status = change_notify_add_request(req,
1498 max_param_count,
1499 filter,
1500 recursive, fsp);
1501 if (!NT_STATUS_IS_OK(status)) {
1502 reply_nterror(req, status);
1503 }
1504 return;
1505 }
1506
1507 /****************************************************************************
1508 Reply to an NT transact rename command.
1509 ****************************************************************************/
1510
1511 static void call_nt_transact_rename(connection_struct *conn,
1512 struct smb_request *req,
1513 uint16 **ppsetup, uint32 setup_count,
1514 char **ppparams, uint32 parameter_count,
1515 char **ppdata, uint32 data_count,
1516 uint32 max_data_count)
1517 {
1518 char *params = *ppparams;
1519 char *new_name = NULL;
1520 files_struct *fsp = NULL;
1521 bool replace_if_exists = False;
1522 bool dest_has_wcard = False;
1523 NTSTATUS status;
1524 TALLOC_CTX *ctx = talloc_tos();
1525
1526 if(parameter_count < 5) {
1527 reply_doserror(req, ERRDOS, ERRbadfunc);
1528 return;
1529 }
1530
1531 fsp = file_fsp(SVAL(params, 0));
1532 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1533 if (!check_fsp(conn, req, fsp, &current_user)) {
1534 return;
1535 }
1536 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1537 parameter_count - 4,
1538 STR_TERMINATE, &status, &dest_has_wcard);
1539 if (!NT_STATUS_IS_OK(status)) {
1540 reply_nterror(req, status);
1541 return;
1542 }
1543
1544 status = rename_internals(ctx,
1545 conn,
1546 req,
1547 fsp->fsp_name,
1548 new_name,
1549 0,
1550 replace_if_exists,
1551 False,
1552 dest_has_wcard);
1553
1554 if (!NT_STATUS_IS_OK(status)) {
1555 if (open_was_deferred(req->mid)) {
1556 /* We have re-scheduled this call. */
1557 return;
1558 }
1559 reply_nterror(req, status);
1560 return;
1561 }
1562
1563 /*
1564 * Rename was successful.
1565 */
1566 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1567
1568 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1569 fsp->fsp_name, new_name));
1570
1571 return;
1572 }
1573
1574 /******************************************************************************
1575 Fake up a completely empty SD.
1576 *******************************************************************************/
1577
1578 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1579 {
1580 size_t sd_size;
1581
1582 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1583 if(!*ppsd) {
1584 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1585 return NT_STATUS_NO_MEMORY;
1586 }
1587
1588 return NT_STATUS_OK;
1589 }
1590
1591 /****************************************************************************
1592 Reply to query a security descriptor.
1593 ****************************************************************************/
1594
1595 static void call_nt_transact_query_security_desc(connection_struct *conn,
1596 struct smb_request *req,
1597 uint16 **ppsetup,
1598 uint32 setup_count,
1599 char **ppparams,
1600 uint32 parameter_count,
1601 char **ppdata,
1602 uint32 data_count,
1603 uint32 max_data_count)
1604 {
1605 char *params = *ppparams;
1606 char *data = *ppdata;
1607 SEC_DESC *psd = NULL;
1608 size_t sd_size;
1609 uint32 security_info_wanted;
1610 files_struct *fsp = NULL;
1611 NTSTATUS status;
1612 DATA_BLOB blob;
1613
1614 if(parameter_count < 8) {
1615 reply_doserror(req, ERRDOS, ERRbadfunc);
1616 return;
1617 }
1618
1619 fsp = file_fsp(SVAL(params,0));
1620 if(!fsp) {
1621 reply_doserror(req, ERRDOS, ERRbadfid);
1622 return;
1623 }
1624
1625 security_info_wanted = IVAL(params,4);
1626
1627 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1628 (unsigned int)security_info_wanted ));
1629
1630 params = nttrans_realloc(ppparams, 4);
1631 if(params == NULL) {
1632 reply_doserror(req, ERRDOS, ERRnomem);
1633 return;
1634 }
1635
1636 /*
1637 * Get the permissions to return.
1638 */
1639
1640 if (!lp_nt_acl_support(SNUM(conn))) {
1641 status = get_null_nt_acl(talloc_tos(), &psd);
1642 } else {
1643 if (fsp->fh->fd != -1) {
1644 status = SMB_VFS_FGET_NT_ACL(
1645 fsp, security_info_wanted, &psd);
1646 }
1647 else {
1648 status = SMB_VFS_GET_NT_ACL(
1649 conn, fsp->fsp_name, security_info_wanted, &psd);
1650 }
1651 }
1652
1653 if (!NT_STATUS_IS_OK(status)) {
1654 reply_nterror(req, status);
1655 return;
1656 }
1657
1658 sd_size = ndr_size_security_descriptor(psd, 0);
1659
1660 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1661
1662 SIVAL(params,0,(uint32)sd_size);
1663
1664 if (max_data_count < sd_size) {
1665 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1666 params, 4, *ppdata, 0);
1667 return;
1668 }
1669
1670 /*
1671 * Allocate the data we will point this at.
1672 */
1673
1674 data = nttrans_realloc(ppdata, sd_size);
1675 if(data == NULL) {
1676 reply_doserror(req, ERRDOS, ERRnomem);
1677 return;
1678 }
1679
1680 status = marshall_sec_desc(talloc_tos(), psd,
1681 &blob.data, &blob.length);
1682
1683 if (!NT_STATUS_IS_OK(status)) {
1684 reply_nterror(req, status);
1685 return;
1686 }
1687
1688 SMB_ASSERT(sd_size == blob.length);
1689 memcpy(data, blob.data, sd_size);
1690
1691 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1692
1693 return;
1694 }
1695
1696 /****************************************************************************
1697 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1698 ****************************************************************************/
1699
1700 static void call_nt_transact_set_security_desc(connection_struct *conn,
1701 struct smb_request *req,
1702 uint16 **ppsetup,
1703 uint32 setup_count,
1704 char **ppparams,
1705 uint32 parameter_count,
1706 char **ppdata,
1707 uint32 data_count,
1708 uint32 max_data_count)
1709 {
1710 char *params= *ppparams;
1711 char *data = *ppdata;
1712 files_struct *fsp = NULL;
1713 uint32 security_info_sent = 0;
1714 NTSTATUS status;
1715
1716 if(parameter_count < 8) {
1717 reply_doserror(req, ERRDOS, ERRbadfunc);
1718 return;
1719 }
1720
1721 if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1722 reply_doserror(req, ERRDOS, ERRbadfid);
1723 return;
1724 }
1725
1726 if(!lp_nt_acl_support(SNUM(conn))) {
1727 goto done;
1728 }
1729
1730 security_info_sent = IVAL(params,4);
1731
1732 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1733 (unsigned int)security_info_sent ));
1734
1735 if (data_count == 0) {
1736 reply_doserror(req, ERRDOS, ERRnoaccess);
1737 return;
1738 }
1739
1740 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1741
1742 if (!NT_STATUS_IS_OK(status)) {
1743 reply_nterror(req, status);
1744 return;
1745 }
1746
1747 done:
1748 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1749 return;
1750 }
1751
1752 /****************************************************************************
1753 Reply to NT IOCTL
1754 ****************************************************************************/
1755
1756 static void call_nt_transact_ioctl(connection_struct *conn,
1757 struct smb_request *req,
1758 uint16 **ppsetup, uint32 setup_count,
1759 char **ppparams, uint32 parameter_count,
1760 char **ppdata, uint32 data_count,
1761 uint32 max_data_count)
1762 {
1763 uint32 function;
1764 uint16 fidnum;
1765 files_struct *fsp;
1766 uint8 isFSctl;
1767 uint8 compfilter;
1768 static bool logged_message;
1769 char *pdata = *ppdata;
1770
1771 if (setup_count != 8) {
1772 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1773 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1774 return;
1775 }
1776
1777 function = IVAL(*ppsetup, 0);
1778 fidnum = SVAL(*ppsetup, 4);
1779 isFSctl = CVAL(*ppsetup, 6);
1780 compfilter = CVAL(*ppsetup, 7);
1781
1782 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1783 function, fidnum, isFSctl, compfilter));
1784
1785 fsp=file_fsp(fidnum);
1786 /* this check is done in each implemented function case for now
1787 because I don't want to break anything... --metze
1788 FSP_BELONGS_CONN(fsp,conn);*/
1789
1790 switch (function) {
1791 case FSCTL_SET_SPARSE:
1792 /* pretend this succeeded - tho strictly we should
1793 mark the file sparse (if the local fs supports it)
1794 so we can know if we need to pre-allocate or not */
1795
1796 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1797 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1798 return;
1799
1800 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1801 {
1802 unsigned char objid[16];
1803
1804 /* This should return the object-id on this file.
1805 * I think I'll make this be the inode+dev. JRA.
1806 */
1807
1808 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1809
1810 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1811 return;
1812 }
1813
1814 data_count = 64;
1815 pdata = nttrans_realloc(ppdata, data_count);
1816 if (pdata == NULL) {
1817 reply_nterror(req, NT_STATUS_NO_MEMORY);
1818 return;
1819 }
1820 push_file_id_16(pdata, &fsp->file_id);
1821 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1822 push_file_id_16(pdata+32, &fsp->file_id);
1823 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1824 pdata, data_count);
1825 return;
1826 }
1827
1828 case FSCTL_GET_REPARSE_POINT:
1829 /* pretend this fail - my winXP does it like this
1830 * --metze
1831 */
1832
1833 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1834 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1835 return;
1836
1837 case FSCTL_SET_REPARSE_POINT:
1838 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1839 * --metze
1840 */
1841
1842 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1843 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1844 return;
1845
1846 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1847 {
1848 /*
1849 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1850 * and return their volume names. If max_data_count is 16, then it is just
1851 * asking for the number of volumes and length of the combined names.
1852 *
1853 * pdata is the data allocated by our caller, but that uses
1854 * total_data_count (which is 0 in our case) rather than max_data_count.
1855 * Allocate the correct amount and return the pointer to let
1856 * it be deallocated when we return.
1857 */
1858 SHADOW_COPY_DATA *shadow_data = NULL;
1859 TALLOC_CTX *shadow_mem_ctx = NULL;
1860 bool labels = False;
1861 uint32 labels_data_count = 0;
1862 uint32 i;
1863 char *cur_pdata;
1864
1865 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1866 return;
1867 }
1868
1869 if (max_data_count < 16) {
1870 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1871 max_data_count));
1872 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1873 return;
1874 }
1875
1876 if (max_data_count > 16) {
1877 labels = True;
1878 }
1879
1880 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1881 if (shadow_mem_ctx == NULL) {
1882 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1883 reply_nterror(req, NT_STATUS_NO_MEMORY);
1884 return;
1885 }
1886
1887 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1888 if (shadow_data == NULL) {
1889 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1890 talloc_destroy(shadow_mem_ctx);
1891 reply_nterror(req, NT_STATUS_NO_MEMORY);
1892 return;
1893 }
1894
1895 shadow_data->mem_ctx = shadow_mem_ctx;
1896
1897 /*
1898 * Call the VFS routine to actually do the work.
1899 */
1900 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1901 talloc_destroy(shadow_data->mem_ctx);
1902 if (errno == ENOSYS) {
1903 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1904 conn->connectpath));
1905 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1906 return;
1907 } else {
1908 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1909 conn->connectpath));
1910 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1911 return;
1912 }
1913 }
1914
1915 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1916
1917 if (!labels) {
1918 data_count = 16;
1919 } else {
1920 data_count = 12+labels_data_count+4;
1921 }
1922
1923 if (max_data_count<data_count) {
1924 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1925 max_data_count,data_count));
1926 talloc_destroy(shadow_data->mem_ctx);
1927 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1928 return;
1929 }
1930
1931 pdata = nttrans_realloc(ppdata, data_count);
1932 if (pdata == NULL) {
1933 talloc_destroy(shadow_data->mem_ctx);
1934 reply_nterror(req, NT_STATUS_NO_MEMORY);
1935 return;
1936 }
1937
1938 cur_pdata = pdata;
1939
1940 /* num_volumes 4 bytes */
1941 SIVAL(pdata,0,shadow_data->num_volumes);
1942
1943 if (labels) {
1944 /* num_labels 4 bytes */
1945 SIVAL(pdata,4,shadow_data->num_volumes);
1946 }
1947
1948 /* needed_data_count 4 bytes */
1949 SIVAL(pdata,8,labels_data_count);
1950
1951 cur_pdata+=12;
1952
1953 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1954 shadow_data->num_volumes,fsp->fsp_name));
1955 if (labels && shadow_data->labels) {
1956 for (i=0;i<shadow_data->num_volumes;i++) {
1957 srvstr_push(pdata, req->flags2,
1958 cur_pdata, shadow_data->labels[i],
1959 2*sizeof(SHADOW_COPY_LABEL),
1960 STR_UNICODE|STR_TERMINATE);
1961 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1962 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1963 }
1964 }
1965
1966 talloc_destroy(shadow_data->mem_ctx);
1967
1968 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1969 pdata, data_count);
1970
1971 return;
1972 }
1973
1974 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1975 {
1976 /* pretend this succeeded -
1977 *
1978 * we have to send back a list with all files owned by this SID
1979 *
1980 * but I have to check that --metze
1981 */
1982 DOM_SID sid;
1983 uid_t uid;
1984 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1985
1986 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1987
1988 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1989 return;
1990 }
1991
1992 /* unknown 4 bytes: this is not the length of the sid :-( */
1993 /*unknown = IVAL(pdata,0);*/
1994
1995 sid_parse(pdata+4,sid_len,&sid);
1996 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1997
1998 if (!sid_to_uid(&sid, &uid)) {
1999 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2000 sid_string_dbg(&sid),
2001 (unsigned long)sid_len));
2002 uid = (-1);
2003 }
2004
2005 /* we can take a look at the find source :-)
2006 *
2007 * find ./ -uid $uid -name '*' is what we need here
2008 *
2009 *
2010 * and send 4bytes len and then NULL terminated unicode strings
2011 * for each file
2012 *
2013 * but I don't know how to deal with the paged results
2014 * (maybe we can hang the result anywhere in the fsp struct)
2015 *
2016 * we don't send all files at once
2017 * and at the next we should *not* start from the beginning,
2018 * so we have to cache the result
2019 *
2020 * --metze
2021 */
2022
2023 /* this works for now... */
2024 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2025 return;
2026 }
2027 default:
2028 if (!logged_message) {
2029 logged_message = True; /* Only print this once... */
2030 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2031 function));
2032 }
2033 }
2034
2035 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2036 }
2037
2038
2039 #ifdef HAVE_SYS_QUOTAS
2040 /****************************************************************************
2041 Reply to get user quota
2042 ****************************************************************************/
2043
2044 static void call_nt_transact_get_user_quota(connection_struct *conn,
2045 struct smb_request *req,
2046 uint16 **ppsetup,
2047 uint32 setup_count,
2048 char **ppparams,
2049 uint32 parameter_count,
2050 char **ppdata,
2051 uint32 data_count,
2052 uint32 max_data_count)
2053 {
2054 NTSTATUS nt_status = NT_STATUS_OK;
2055 char *params = *ppparams;
2056 char *pdata = *ppdata;
2057 char *entry;
2058 int data_len=0,param_len=0;
2059 int qt_len=0;
2060 int entry_len = 0;
2061 files_struct *fsp = NULL;
2062 uint16 level = 0;
2063 size_t sid_len;
2064 DOM_SID sid;
2065 bool start_enum = True;
2066 SMB_NTQUOTA_STRUCT qt;
2067 SMB_NTQUOTA_LIST *tmp_list;
2068 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2069
2070 ZERO_STRUCT(qt);
2071
2072 /* access check */
2073 if (current_user.ut.uid != 0) {
2074 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2075 lp_servicename(SNUM(conn)),conn->user));
2076 reply_doserror(req, ERRDOS, ERRnoaccess);
2077 return;
2078 }
2079
2080 /*
2081 * Ensure minimum number of parameters sent.
2082 */
2083
2084 if (parameter_count < 4) {
2085 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2086 reply_doserror(req, ERRDOS, ERRinvalidparam);
2087 return;
2088 }
2089
2090 /* maybe we can check the quota_fnum */
2091 fsp = file_fsp(SVAL(params,0));
2092 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2093 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2094 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2095 return;
2096 }
2097
2098 /* the NULL pointer checking for fsp->fake_file_handle->pd
2099 * is done by CHECK_NTQUOTA_HANDLE_OK()
2100 */
2101 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2102
2103 level = SVAL(params,2);
2104
2105 /* unknown 12 bytes leading in params */
2106
2107 switch (level) {
2108 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2109 /* seems that we should continue with the enum here --metze */
2110
2111 if (qt_handle->quota_list!=NULL &&
2112 qt_handle->tmp_list==NULL) {
2113
2114 /* free the list */
2115 free_ntquota_list(&(qt_handle->quota_list));
2116
2117 /* Realloc the size of parameters and data we will return */
2118 param_len = 4;
2119 params = nttrans_realloc(ppparams, param_len);
2120 if(params == NULL) {
2121 reply_doserror(req, ERRDOS, ERRnomem);
2122 return;
2123 }
2124
2125 data_len = 0;
2126 SIVAL(params,0,data_len);
2127
2128 break;
2129 }
2130
2131 start_enum = False;
2132
2133 case TRANSACT_GET_USER_QUOTA_LIST_START:
2134
2135 if (qt_handle->quota_list==NULL &&
2136 qt_handle->tmp_list==NULL) {
2137 start_enum = True;
2138 }
2139
2140 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2141 reply_doserror(req, ERRSRV, ERRerror);
2142 return;
2143 }
2144
2145 /* Realloc the size of parameters and data we will return */
2146 param_len = 4;
2147 params = nttrans_realloc(ppparams, param_len);
2148 if(params == NULL) {
2149 reply_doserror(req, ERRDOS, ERRnomem);
2150 return;
2151 }
2152
2153 /* we should not trust the value in max_data_count*/
2154 max_data_count = MIN(max_data_count,2048);
2155
2156 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2157 if(pdata == NULL) {
2158 reply_doserror(req, ERRDOS, ERRnomem);
2159 return;
2160 }
2161
2162 entry = pdata;
2163
2164 /* set params Size of returned Quota Data 4 bytes*/
2165 /* but set it later when we know it */
2166
2167 /* for each entry push the data */
2168
2169 if (start_enum) {
2170 qt_handle->tmp_list = qt_handle->quota_list;
2171 }
2172
2173 tmp_list = qt_handle->tmp_list;
2174
2175 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2176 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2177
2178 sid_len = ndr_size_dom_sid(
2179 &tmp_list->quotas->sid, 0);
2180 entry_len = 40 + sid_len;
2181
2182 /* nextoffset entry 4 bytes */
2183 SIVAL(entry,0,entry_len);
2184
2185 /* then the len of the SID 4 bytes */
2186 SIVAL(entry,4,sid_len);
2187
2188 /* unknown data 8 bytes SMB_BIG_UINT */
2189 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2190
2191 /* the used disk space 8 bytes SMB_BIG_UINT */
2192 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2193
2194 /* the soft quotas 8 bytes SMB_BIG_UINT */
2195 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2196
2197 /* the hard quotas 8 bytes SMB_BIG_UINT */
2198 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2199
2200 /* and now the SID */
2201 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2202 }
2203
2204 qt_handle->tmp_list = tmp_list;
2205
2206 /* overwrite the offset of the last entry */
2207 SIVAL(entry-entry_len,0,0);
2208
2209 data_len = 4+qt_len;
2210 /* overwrite the params quota_data_len */
2211 SIVAL(params,0,data_len);
2212
2213 break;
2214
2215 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2216
2217 /* unknown 4 bytes IVAL(pdata,0) */
2218
2219 if (data_count < 8) {
2220 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2221 reply_doserror(req, ERRDOS, ERRunknownlevel);
2222 return;
2223 }
2224
2225 sid_len = IVAL(pdata,4);
2226 /* Ensure this is less than 1mb. */
2227 if (sid_len > (1024*1024)) {
2228 reply_doserror(req, ERRDOS, ERRnomem);
2229 return;
2230 }
2231
2232 if (data_count < 8+sid_len) {
2233 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2234 reply_doserror(req, ERRDOS, ERRunknownlevel);
2235 return;
2236 }
2237
2238 data_len = 4+40+sid_len;
2239
2240 if (max_data_count < data_len) {
2241 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2242 max_data_count, data_len));
2243 param_len = 4;
2244 SIVAL(params,0,data_len);
2245 data_len = 0;
2246 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2247 break;
2248 }
2249
2250 sid_parse(pdata+8,sid_len,&sid);
2251
2252 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2253 ZERO_STRUCT(qt);
2254 /*
2255 * we have to return zero's in all fields
2256 * instead of returning an error here
2257 * --metze
2258 */
2259 }
2260
2261 /* Realloc the size of parameters and data we will return */
2262 param_len = 4;
2263 params = nttrans_realloc(ppparams, param_len);
2264 if(params == NULL) {
2265 reply_doserror(req, ERRDOS, ERRnomem);
2266 return;
2267 }
2268
2269 pdata = nttrans_realloc(ppdata, data_len);
2270 if(pdata == NULL) {
2271 reply_doserror(req, ERRDOS, ERRnomem);
2272 return;
2273 }
2274
2275 entry = pdata;
2276
2277 /* set params Size of returned Quota Data 4 bytes*/
2278 SIVAL(params,0,data_len);
2279
2280 /* nextoffset entry 4 bytes */
2281 SIVAL(entry,0,0);
2282
2283 /* then the len of the SID 4 bytes */
2284 SIVAL(entry,4,sid_len);
2285
2286 /* unknown data 8 bytes SMB_BIG_UINT */
2287 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2288
2289 /* the used disk space 8 bytes SMB_BIG_UINT */
2290 SBIG_UINT(entry,16,qt.usedspace);
2291
2292 /* the soft quotas 8 bytes SMB_BIG_UINT */
2293 SBIG_UINT(entry,24,qt.softlim);
2294
2295 /* the hard quotas 8 bytes SMB_BIG_UINT */
2296 SBIG_UINT(entry,32,qt.hardlim);
2297
2298 /* and now the SID */
2299 sid_linearize(entry+40, sid_len, &sid);
2300
2301 break;
2302
2303 default:
2304 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2305 reply_doserror(req, ERRSRV, ERRerror);
2306 return;
2307 break;
2308 }
2309
2310 send_nt_replies(conn, req, nt_status, params, param_len,
2311 pdata, data_len);
2312 }
2313
2314 /****************************************************************************
2315 Reply to set user quota
2316 ****************************************************************************/
2317
2318 static void call_nt_transact_set_user_quota(connection_struct *conn,
2319 struct smb_request *req,
2320 uint16 **ppsetup,
2321 uint32 setup_count,
2322 char **ppparams,
2323 uint32 parameter_count,
2324 char **ppdata,
2325 uint32 data_count,
2326 uint32 max_data_count)
2327 {
2328 char *params = *ppparams;
2329 char *pdata = *ppdata;
2330 int data_len=0,param_len=0;
2331 SMB_NTQUOTA_STRUCT qt;
2332 size_t sid_len;
2333 DOM_SID sid;
2334 files_struct *fsp = NULL;
2335
2336 ZERO_STRUCT(qt);
2337
2338 /* access check */
2339 if (current_user.ut.uid != 0) {
2340 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2341 lp_servicename(SNUM(conn)),conn->user));
2342 reply_doserror(req, ERRDOS, ERRnoaccess);
2343 return;
2344 }
2345
2346 /*
2347 * Ensure minimum number of parameters sent.
2348 */
2349
2350 if (parameter_count < 2) {
2351 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2352 reply_doserror(req, ERRDOS, ERRinvalidparam);
2353 return;
2354 }
2355
2356 /* maybe we can check the quota_fnum */
2357 fsp = file_fsp(SVAL(params,0));
2358 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2359 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2360 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2361 return;
2362 }
2363
2364 if (data_count < 40) {
2365 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2366 reply_doserror(req, ERRDOS, ERRunknownlevel);
2367 return;
2368 }
2369
2370 /* offset to next quota record.
2371 * 4 bytes IVAL(pdata,0)
2372 * unused here...
2373 */
2374
2375 /* sid len */
2376 sid_len = IVAL(pdata,4);
2377
2378 if (data_count < 40+sid_len) {
2379 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2380 reply_doserror(req, ERRDOS, ERRunknownlevel);
2381 return;
2382 }
2383
2384 /* unknown 8 bytes in pdata
2385 * maybe its the change time in NTTIME
2386 */
2387
2388 /* the used space 8 bytes (SMB_BIG_UINT)*/
2389 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2390 #ifdef LARGE_SMB_OFF_T
2391 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2392 #else /* LARGE_SMB_OFF_T */
2393 if ((IVAL(pdata,20) != 0)&&
2394 ((qt.usedspace != 0xFFFFFFFF)||
2395 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2396 /* more than 32 bits? */
2397 reply_doserror(req, ERRDOS, ERRunknownlevel);
2398 return;
2399 }
2400 #endif /* LARGE_SMB_OFF_T */
2401
2402 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2403 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2404 #ifdef LARGE_SMB_OFF_T
2405 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2406 #else /* LARGE_SMB_OFF_T */
2407 if ((IVAL(pdata,28) != 0)&&
2408 ((qt.softlim != 0xFFFFFFFF)||
2409 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2410 /* more than 32 bits? */
2411 reply_doserror(req, ERRDOS, ERRunknownlevel);
2412 return;
2413 }
2414 #endif /* LARGE_SMB_OFF_T */
2415
2416 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2417 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2418 #ifdef LARGE_SMB_OFF_T
2419 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2420 #else /* LARGE_SMB_OFF_T */
2421 if ((IVAL(pdata,36) != 0)&&
2422 ((qt.hardlim != 0xFFFFFFFF)||
2423 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2424 /* more than 32 bits? */
2425 reply_doserror(req, ERRDOS, ERRunknownlevel);
2426 return;
2427 }
2428 #endif /* LARGE_SMB_OFF_T */
2429
2430 sid_parse(pdata+40,sid_len,&sid);
2431 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2432
2433 /* 44 unknown bytes left... */
2434
2435 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2436 reply_doserror(req, ERRSRV, ERRerror);
2437 return;
2438 }
2439
2440 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2441 pdata, data_len);
2442 }
2443 #endif /* HAVE_SYS_QUOTAS */
2444
2445 static void handle_nttrans(connection_struct *conn,
2446 struct trans_state *state,
2447 struct smb_request *req)
2448 {
2449 if (Protocol >= PROTOCOL_NT1) {
2450 req->flags2 |= 0x40; /* IS_LONG_NAME */
2451 SSVAL(req->inbuf,smb_flg2,req->flags2);
2452 }
2453
2454 /* Now we must call the relevant NT_TRANS function */
2455 switch(state->call) {
2456 case NT_TRANSACT_CREATE:
2457 {
2458 START_PROFILE(NT_transact_create);
2459 call_nt_transact_create(
2460 conn, req,
2461 &state->setup, state->setup_count,
2462 &state->param, state->total_param,
2463 &state->data, state->total_data,
2464 state->max_data_return);
2465 END_PROFILE(NT_transact_create);
2466 break;
2467 }
2468
2469 case NT_TRANSACT_IOCTL:
2470 {
2471 START_PROFILE(NT_transact_ioctl);
2472 call_nt_transact_ioctl(
2473 conn, req,
2474 &state->setup, state->setup_count,
2475 &state->param, state->total_param,
2476 &state->data, state->total_data,
2477 state->max_data_return);
2478 END_PROFILE(NT_transact_ioctl);
2479 break;
2480 }
2481
2482 case NT_TRANSACT_SET_SECURITY_DESC:
2483 {
2484 START_PROFILE(NT_transact_set_security_desc);
2485 call_nt_transact_set_security_desc(
2486 conn, req,
2487 &state->setup, state->setup_count,
2488 &state->param, state->total_param,
2489 &state->data, state->total_data,
2490 state->max_data_return);
2491 END_PROFILE(NT_transact_set_security_desc);
2492 break;
2493 }
2494
2495 case NT_TRANSACT_NOTIFY_CHANGE:
2496 {
2497 START_PROFILE(NT_transact_notify_change);
2498 call_nt_transact_notify_change(
2499 conn, req,
2500 &state->setup, state->setup_count,
2501 &state->param, state->total_param,
2502 &state->data, state->total_data,
2503 state->max_data_return,
2504 state->max_param_return);
2505 END_PROFILE(NT_transact_notify_change);
2506 break;
2507 }
2508
2509 case NT_TRANSACT_RENAME:
2510 {
2511 START_PROFILE(NT_transact_rename);
2512 call_nt_transact_rename(
2513 conn, req,
2514 &state->setup, state->setup_count,
2515 &state->param, state->total_param,
2516 &state->data, state->total_data,
2517 state->max_data_return);
2518 END_PROFILE(NT_transact_rename);
2519 break;
2520 }
2521
2522 case NT_TRANSACT_QUERY_SECURITY_DESC:
2523 {
2524 START_PROFILE(NT_transact_query_security_desc);
2525 call_nt_transact_query_security_desc(
2526 conn, req,
2527 &state->setup, state->setup_count,
2528 &state->param, state->total_param,
2529 &state->data, state->total_data,
2530 state->max_data_return);
2531 END_PROFILE(NT_transact_query_security_desc);
2532 break;
2533 }
2534
2535 #ifdef HAVE_SYS_QUOTAS
2536 case NT_TRANSACT_GET_USER_QUOTA:
2537 {
2538 START_PROFILE(NT_transact_get_user_quota);
2539 call_nt_transact_get_user_quota(
2540 conn, req,
2541 &state->setup, state->setup_count,
2542 &state->param, state->total_param,
2543 &state->data, state->total_data,
2544 state->max_data_return);
2545 END_PROFILE(NT_transact_get_user_quota);
2546 break;
2547 }
2548
2549 case NT_TRANSACT_SET_USER_QUOTA:
2550 {
2551 START_PROFILE(NT_transact_set_user_quota);
2552 call_nt_transact_set_user_quota(
2553 conn, req,
2554 &state->setup, state->setup_count,
2555 &state->param, state->total_param,
2556 &state->data, state->total_data,
2557 state->max_data_return);
2558 END_PROFILE(NT_transact_set_user_quota);
2559 break;
2560 }
2561 #endif /* HAVE_SYS_QUOTAS */
2562
2563 default:
2564 /* Error in request */
2565 DEBUG(0,("handle_nttrans: Unknown request %d in "
2566 "nttrans call\n", state->call));
2567 reply_doserror(req, ERRSRV, ERRerror);
2568 return;
2569 }
2570 return;
2571 }
2572
2573 /****************************************************************************
2574 Reply to a SMBNTtrans.
2575 ****************************************************************************/
2576
2577 void reply_nttrans(struct smb_request *req)
2578 {
2579 connection_struct *conn = req->conn;
2580 uint32 pscnt;
2581 uint32 psoff;
2582 uint32 dscnt;
2583 uint32 dsoff;
2584 uint16 function_code;
2585 NTSTATUS result;
2586 struct trans_state *state;
2587 int size;
2588
2589 START_PROFILE(SMBnttrans);
2590
2591 if (req->wct < 19) {
2592 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2593 END_PROFILE(SMBnttrans);
2594 return;
2595 }
2596
2597 size = smb_len(req->inbuf) + 4;
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 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2674 goto bad_param;
2675 if ((smb_base(req->inbuf)+dsoff+dscnt
2676 > (char *)req->inbuf + size) ||
2677 (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
2678 goto bad_param;
2679
2680 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2681 }
2682
2683 if (state->total_param) {
2684 /* Can't use talloc here, the core routines do realloc on the
2685 * params and data. */
2686 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2687 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2688 "bytes !\n", (unsigned int)state->total_param));
2689 SAFE_FREE(state->data);
2690 TALLOC_FREE(state);
2691 reply_doserror(req, ERRDOS, ERRnomem);
2692 END_PROFILE(SMBnttrans);
2693 return;
2694 }
2695 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2696 goto bad_param;
2697 if ((smb_base(req->inbuf)+psoff+pscnt
2698 > (char *)req->inbuf + size) ||
2699 (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
2700 goto bad_param;
2701
2702 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2703 }
2704
2705 state->received_data = dscnt;
2706 state->received_param = pscnt;
2707
2708 if(state->setup_count > 0) {
2709 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2710 state->setup_count));
2711 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2712 if (state->setup == NULL) {
2713 DEBUG(0,("reply_nttrans : Out of memory\n"));
2714 SAFE_FREE(state->data);
2715 SAFE_FREE(state->param);
2716 TALLOC_FREE(state);
2717 reply_doserror(req, ERRDOS, ERRnomem);
2718 END_PROFILE(SMBnttrans);
2719 return;
2720 }
2721
2722 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2723 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2724 goto bad_param;
2725 }
2726 if (smb_nt_SetupStart + state->setup_count > size) {
2727 goto bad_param;
2728 }
2729
2730 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2731 state->setup_count);
2732 dump_data(10, (uint8 *)state->setup, state->setup_count);
2733 }
2734
2735 if ((state->received_data == state->total_data) &&
2736 (state->received_param == state->total_param)) {
2737 handle_nttrans(conn, state, req);
2738 SAFE_FREE(state->param);
2739 SAFE_FREE(state->data);
2740 TALLOC_FREE(state);
2741 END_PROFILE(SMBnttrans);
2742 return;
2743 }
2744
2745 DLIST_ADD(conn->pending_trans, state);
2746
2747 /* We need to send an interim response then receive the rest
2748 of the parameter/data bytes */
2749 reply_outbuf(req, 0, 0);
2750 show_msg((char *)req->outbuf);
2751 END_PROFILE(SMBnttrans);
2752 return;
2753
2754 bad_param:
2755
2756 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2757 SAFE_FREE(state->data);
2758 SAFE_FREE(state->param);
2759 TALLOC_FREE(state);
2760 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2761 END_PROFILE(SMBnttrans);
2762 return;
2763 }
2764
2765 /****************************************************************************
2766 Reply to a SMBnttranss
2767 ****************************************************************************/
2768
2769 void reply_nttranss(struct smb_request *req)
2770 {
2771 connection_struct *conn = req->conn;
2772 unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
2773 struct trans_state *state;
2774
2775 int size;
2776
2777 START_PROFILE(SMBnttranss);
2778
2779 show_msg((char *)req->inbuf);
2780
2781 if (req->wct < 18) {
2782 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2783 END_PROFILE(SMBnttranss);
2784 return;
2785 }
2786
2787 for (state = conn->pending_trans; state != NULL;
2788 state = state->next) {
2789 if (state->mid == req->mid) {
2790 break;
2791 }
2792 }
2793
2794 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2795 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2796 END_PROFILE(SMBnttranss);
2797 return;
2798 }
2799
2800 /* Revise state->total_param and state->total_data in case they have
2801 changed downwards */
2802 if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2803 < state->total_param) {
2804 state->total_param = IVAL(req->inbuf,
2805 smb_nts_TotalParameterCount);
2806 }
2807 if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2808 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2809 }
2810
2811 size = smb_len(req->inbuf) + 4;
2812
2813 pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2814 poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2815 pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2816
2817 dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2818 ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2819 doff = IVAL(req->inbuf, smb_nts_DataOffset);
2820
2821 state->received_param += pcnt;
2822 state->received_data += dcnt;
2823
2824 if ((state->received_data > state->total_data) ||
2825 (state->received_param > state->total_param))
2826 goto bad_param;
2827
2828 if (pcnt) {
2829 if (pdisp+pcnt > state->total_param)
2830 goto bad_param;
2831 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
2832 goto bad_param;
2833 if (pdisp > state->total_param)
2834 goto bad_param;
2835 if ((smb_base(req->inbuf) + poff + pcnt
2836 > (char *)req->inbuf + size) ||
2837 (smb_base(req->inbuf) + poff + pcnt
2838 < smb_base(req->inbuf)))
2839 goto bad_param;
2840 if (state->param + pdisp < state->param)
2841 goto bad_param;
2842
2843 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2844 pcnt);
2845 }
2846
2847 if (dcnt) {
2848 if (ddisp+dcnt > state->total_data)
2849 goto bad_param;
2850 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
2851 goto bad_param;
2852 if (ddisp > state->total_data)
2853 goto bad_param;
2854 if ((smb_base(req->inbuf) + doff + dcnt
2855 > (char *)req->inbuf + size) ||
2856 (smb_base(req->inbuf) + doff + dcnt
2857 < smb_base(req->inbuf)))
2858 goto bad_param;
2859 if (state->data + ddisp < state->data)
2860 goto bad_param;
2861
2862 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2863 dcnt);
2864 }
2865
2866 if ((state->received_param < state->total_param) ||
2867 (state->received_data < state->total_data)) {
2868 END_PROFILE(SMBnttranss);
2869 return;
2870 }
2871
2872 /*
2873 * construct_reply_common will copy smb_com from inbuf to
2874 * outbuf. SMBnttranss is wrong here.
2875 */
2876 SCVAL(req->inbuf,smb_com,SMBnttrans);
2877
2878 handle_nttrans(conn, state, req);
2879
2880 DLIST_REMOVE(conn->pending_trans, state);
2881 SAFE_FREE(state->data);
2882 SAFE_FREE(state->param);
2883 TALLOC_FREE(state);
2884 END_PROFILE(SMBnttranss);
2885 return;
2886
2887 bad_param:
2888
2889 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2890 DLIST_REMOVE(conn->pending_trans, state);
2891 SAFE_FREE(state->data);
2892 SAFE_FREE(state->param);
2893 TALLOC_FREE(state);
2894 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2895 END_PROFILE(SMBnttranss);
2896 return;
2897 }
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