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WHATSNEW: Start release notes for Samba 3.6.11.
[Samba.git] / source3 / smbd / nttrans.c
blobea9d417e7438b355eca627dc12305b4708c43754
1 /*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "system/filesys.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "fake_file.h"
26 #include "../libcli/security/security.h"
27 #include "../librpc/gen_ndr/ndr_security.h"
28 #include "passdb/lookup_sid.h"
29 #include "auth.h"
30 #include "ntioctl.h"
31 #include "smbprofile.h"
32 #include "libsmb/libsmb.h"
33
34 extern const struct generic_mapping file_generic_mapping;
35
36 static char *nttrans_realloc(char **ptr, size_t size)
37 {
38 if (ptr==NULL) {
39 smb_panic("nttrans_realloc() called with NULL ptr");
40 }
41
42 *ptr = (char *)SMB_REALLOC(*ptr, size);
43 if(*ptr == NULL) {
44 return NULL;
45 }
46 memset(*ptr,'\0',size);
47 return *ptr;
48 }
49
50 /****************************************************************************
51 Send the required number of replies back.
52 We assume all fields other than the data fields are
53 set correctly for the type of call.
54 HACK ! Always assumes smb_setup field is zero.
55 ****************************************************************************/
56
57 void send_nt_replies(connection_struct *conn,
58 struct smb_request *req, NTSTATUS nt_error,
59 char *params, int paramsize,
60 char *pdata, int datasize)
61 {
62 int data_to_send = datasize;
63 int params_to_send = paramsize;
64 int useable_space;
65 char *pp = params;
66 char *pd = pdata;
67 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
68 int alignment_offset = 1;
69 int data_alignment_offset = 0;
70 struct smbd_server_connection *sconn = req->sconn;
71 int max_send = sconn->smb1.sessions.max_send;
72
73 /*
74 * If there genuinely are no parameters or data to send just send
75 * the empty packet.
76 */
77
78 if(params_to_send == 0 && data_to_send == 0) {
79 reply_outbuf(req, 18, 0);
80 if (NT_STATUS_V(nt_error)) {
81 error_packet_set((char *)req->outbuf,
82 0, 0, nt_error,
83 __LINE__,__FILE__);
84 }
85 show_msg((char *)req->outbuf);
86 if (!srv_send_smb(sconn,
87 (char *)req->outbuf,
88 true, req->seqnum+1,
89 IS_CONN_ENCRYPTED(conn),
90 &req->pcd)) {
91 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
92 }
93 TALLOC_FREE(req->outbuf);
94 return;
95 }
96
97 /*
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
101 */
102
103 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
104 data_alignment_offset = 4 - (params_to_send % 4);
105 }
106
107 /*
108 * Space is bufsize minus Netbios over TCP header minus SMB header.
109 * The alignment_offset is to align the param bytes on a four byte
110 * boundary (2 bytes for data len, one byte pad).
111 * NT needs this to work correctly.
112 */
113
114 useable_space = max_send - (smb_size
115 + 2 * 18 /* wct */
116 + alignment_offset
117 + data_alignment_offset);
118
119 if (useable_space < 0) {
120 char *msg = talloc_asprintf(
121 talloc_tos(),
122 "send_nt_replies failed sanity useable_space = %d!!!",
123 useable_space);
124 DEBUG(0, ("%s\n", msg));
125 exit_server_cleanly(msg);
126 }
127
128 while (params_to_send || data_to_send) {
129
130 /*
131 * Calculate whether we will totally or partially fill this packet.
132 */
133
134 total_sent_thistime = params_to_send + data_to_send;
135
136 /*
137 * We can never send more than useable_space.
138 */
139
140 total_sent_thistime = MIN(total_sent_thistime, useable_space);
141
142 reply_outbuf(req, 18,
143 total_sent_thistime + alignment_offset
144 + data_alignment_offset);
145
146 /*
147 * Set total params and data to be sent.
148 */
149
150 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
151 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
152
153 /*
154 * Calculate how many parameters and data we can fit into
155 * this packet. Parameters get precedence.
156 */
157
158 params_sent_thistime = MIN(params_to_send,useable_space);
159 data_sent_thistime = useable_space - params_sent_thistime;
160 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
161
162 SIVAL(req->outbuf, smb_ntr_ParameterCount,
163 params_sent_thistime);
164
165 if(params_sent_thistime == 0) {
166 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
167 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
168 } else {
169 /*
170 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
171 * parameter bytes, however the first 4 bytes of outbuf are
172 * the Netbios over TCP header. Thus use smb_base() to subtract
173 * them from the calculation.
174 */
175
176 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
177 ((smb_buf(req->outbuf)+alignment_offset)
178 - smb_base(req->outbuf)));
179 /*
180 * Absolute displacement of param bytes sent in this packet.
181 */
182
183 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
184 pp - params);
185 }
186
187 /*
188 * Deal with the data portion.
189 */
190
191 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
192
193 if(data_sent_thistime == 0) {
194 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
195 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
196 } else {
197 /*
198 * The offset of the data bytes is the offset of the
199 * parameter bytes plus the number of parameters being sent this time.
200 */
201
202 SIVAL(req->outbuf, smb_ntr_DataOffset,
203 ((smb_buf(req->outbuf)+alignment_offset) -
204 smb_base(req->outbuf))
205 + params_sent_thistime + data_alignment_offset);
206 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
207 }
208
209 /*
210 * Copy the param bytes into the packet.
211 */
212
213 if(params_sent_thistime) {
214 if (alignment_offset != 0) {
215 memset(smb_buf(req->outbuf), 0,
216 alignment_offset);
217 }
218 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
219 params_sent_thistime);
220 }
221
222 /*
223 * Copy in the data bytes
224 */
225
226 if(data_sent_thistime) {
227 if (data_alignment_offset != 0) {
228 memset((smb_buf(req->outbuf)+alignment_offset+
229 params_sent_thistime), 0,
230 data_alignment_offset);
231 }
232 memcpy(smb_buf(req->outbuf)+alignment_offset
233 +params_sent_thistime+data_alignment_offset,
234 pd,data_sent_thistime);
235 }
236
237 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
238 params_sent_thistime, data_sent_thistime, useable_space));
239 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
240 params_to_send, data_to_send, paramsize, datasize));
241
242 if (NT_STATUS_V(nt_error)) {
243 error_packet_set((char *)req->outbuf,
244 0, 0, nt_error,
245 __LINE__,__FILE__);
246 }
247
248 /* Send the packet */
249 show_msg((char *)req->outbuf);
250 if (!srv_send_smb(sconn,
251 (char *)req->outbuf,
252 true, req->seqnum+1,
253 IS_CONN_ENCRYPTED(conn),
254 &req->pcd)) {
255 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
256 }
257
258 TALLOC_FREE(req->outbuf);
259
260 pp += params_sent_thistime;
261 pd += data_sent_thistime;
262
263 params_to_send -= params_sent_thistime;
264 data_to_send -= data_sent_thistime;
265
266 /*
267 * Sanity check
268 */
269
270 if(params_to_send < 0 || data_to_send < 0) {
271 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
272 params_to_send, data_to_send));
273 exit_server_cleanly("send_nt_replies: internal error");
274 }
275 }
276 }
277
278 /****************************************************************************
279 Reply to an NT create and X call on a pipe
280 ****************************************************************************/
281
282 static void nt_open_pipe(char *fname, connection_struct *conn,
283 struct smb_request *req, int *ppnum)
284 {
285 files_struct *fsp;
286 NTSTATUS status;
287
288 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
289
290 /* Strip \\ off the name. */
291 fname++;
292
293 status = open_np_file(req, fname, &fsp);
294 if (!NT_STATUS_IS_OK(status)) {
295 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
296 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
297 ERRDOS, ERRbadpipe);
298 return;
299 }
300 reply_nterror(req, status);
301 return;
302 }
303
304 *ppnum = fsp->fnum;
305 return;
306 }
307
308 /****************************************************************************
309 Reply to an NT create and X call for pipes.
310 ****************************************************************************/
311
312 static void do_ntcreate_pipe_open(connection_struct *conn,
313 struct smb_request *req)
314 {
315 char *fname = NULL;
316 int pnum = -1;
317 char *p = NULL;
318 uint32 flags = IVAL(req->vwv+3, 1);
319 TALLOC_CTX *ctx = talloc_tos();
320
321 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
322
323 if (!fname) {
324 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
325 ERRDOS, ERRbadpipe);
326 return;
327 }
328 nt_open_pipe(fname, conn, req, &pnum);
329
330 if (req->outbuf) {
331 /* error reply */
332 return;
333 }
334
335 /*
336 * Deal with pipe return.
337 */
338
339 if (flags & EXTENDED_RESPONSE_REQUIRED) {
340 /* This is very strange. We
341 * return 50 words, but only set
342 * the wcnt to 42 ? It's definately
343 * what happens on the wire....
344 */
345 reply_outbuf(req, 50, 0);
346 SCVAL(req->outbuf,smb_wct,42);
347 } else {
348 reply_outbuf(req, 34, 0);
349 }
350
351 p = (char *)req->outbuf + smb_vwv2;
352 p++;
353 SSVAL(p,0,pnum);
354 p += 2;
355 SIVAL(p,0,FILE_WAS_OPENED);
356 p += 4;
357 p += 32;
358 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
359 p += 20;
360 /* File type. */
361 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
362 /* Device state. */
363 SSVAL(p,2, 0x5FF); /* ? */
364 p += 4;
365
366 if (flags & EXTENDED_RESPONSE_REQUIRED) {
367 p += 25;
368 SIVAL(p,0,FILE_GENERIC_ALL);
369 /*
370 * For pipes W2K3 seems to return
371 * 0x12019B next.
372 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
373 */
374 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
375 }
376
377 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
378
379 chain_reply(req);
380 }
381
382 struct case_semantics_state {
383 connection_struct *conn;
384 bool case_sensitive;
385 bool case_preserve;
386 bool short_case_preserve;
387 };
388
389 /****************************************************************************
390 Restore case semantics.
391 ****************************************************************************/
392
393 static int restore_case_semantics(struct case_semantics_state *state)
394 {
395 state->conn->case_sensitive = state->case_sensitive;
396 state->conn->case_preserve = state->case_preserve;
397 state->conn->short_case_preserve = state->short_case_preserve;
398 return 0;
399 }
400
401 /****************************************************************************
402 Save case semantics.
403 ****************************************************************************/
404
405 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
406 connection_struct *conn)
407 {
408 struct case_semantics_state *result;
409
410 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
411 return NULL;
412 }
413
414 result->conn = conn;
415 result->case_sensitive = conn->case_sensitive;
416 result->case_preserve = conn->case_preserve;
417 result->short_case_preserve = conn->short_case_preserve;
418
419 /* Set to POSIX. */
420 conn->case_sensitive = True;
421 conn->case_preserve = True;
422 conn->short_case_preserve = True;
423
424 talloc_set_destructor(result, restore_case_semantics);
425
426 return result;
427 }
428
429 /****************************************************************************
430 Reply to an NT create and X call.
431 ****************************************************************************/
432
433 void reply_ntcreate_and_X(struct smb_request *req)
434 {
435 connection_struct *conn = req->conn;
436 struct smb_filename *smb_fname = NULL;
437 char *fname = NULL;
438 uint32 flags;
439 uint32 access_mask;
440 uint32 file_attributes;
441 uint32 share_access;
442 uint32 create_disposition;
443 uint32 create_options;
444 uint16 root_dir_fid;
445 uint64_t allocation_size;
446 /* Breakout the oplock request bits so we can set the
447 reply bits separately. */
448 uint32 fattr=0;
449 SMB_OFF_T file_len = 0;
450 int info = 0;
451 files_struct *fsp = NULL;
452 char *p = NULL;
453 struct timespec create_timespec;
454 struct timespec c_timespec;
455 struct timespec a_timespec;
456 struct timespec m_timespec;
457 struct timespec write_time_ts;
458 NTSTATUS status;
459 int oplock_request;
460 uint8_t oplock_granted = NO_OPLOCK_RETURN;
461 struct case_semantics_state *case_state = NULL;
462 TALLOC_CTX *ctx = talloc_tos();
463
464 START_PROFILE(SMBntcreateX);
465
466 if (req->wct < 24) {
467 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
468 goto out;
469 }
470
471 flags = IVAL(req->vwv+3, 1);
472 access_mask = IVAL(req->vwv+7, 1);
473 file_attributes = IVAL(req->vwv+13, 1);
474 share_access = IVAL(req->vwv+15, 1);
475 create_disposition = IVAL(req->vwv+17, 1);
476 create_options = IVAL(req->vwv+19, 1);
477 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
478
479 allocation_size = BVAL(req->vwv+9, 1);
480
481 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
482 STR_TERMINATE, &status);
483
484 if (!NT_STATUS_IS_OK(status)) {
485 reply_nterror(req, status);
486 goto out;
487 }
488
489 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
490 "file_attributes = 0x%x, share_access = 0x%x, "
491 "create_disposition = 0x%x create_options = 0x%x "
492 "root_dir_fid = 0x%x, fname = %s\n",
493 (unsigned int)flags,
494 (unsigned int)access_mask,
495 (unsigned int)file_attributes,
496 (unsigned int)share_access,
497 (unsigned int)create_disposition,
498 (unsigned int)create_options,
499 (unsigned int)root_dir_fid,
500 fname));
501
502 /*
503 * we need to remove ignored bits when they come directly from the client
504 * because we reuse some of them for internal stuff
505 */
506 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
507
508 /*
509 * If it's an IPC, use the pipe handler.
510 */
511
512 if (IS_IPC(conn)) {
513 if (lp_nt_pipe_support()) {
514 do_ntcreate_pipe_open(conn, req);
515 goto out;
516 }
517 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
518 goto out;
519 }
520
521 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
522 if (oplock_request) {
523 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
524 ? BATCH_OPLOCK : 0;
525 }
526
527 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
528 case_state = set_posix_case_semantics(ctx, conn);
529 if (!case_state) {
530 reply_nterror(req, NT_STATUS_NO_MEMORY);
531 goto out;
532 }
533 }
534
535 status = filename_convert(ctx,
536 conn,
537 req->flags2 & FLAGS2_DFS_PATHNAMES,
538 fname,
539 0,
540 NULL,
541 &smb_fname);
542
543 TALLOC_FREE(case_state);
544
545 if (!NT_STATUS_IS_OK(status)) {
546 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
547 reply_botherror(req,
548 NT_STATUS_PATH_NOT_COVERED,
549 ERRSRV, ERRbadpath);
550 goto out;
551 }
552 reply_nterror(req, status);
553 goto out;
554 }
555
556 /*
557 * Bug #6898 - clients using Windows opens should
558 * never be able to set this attribute into the
559 * VFS.
560 */
561 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
562
563 status = SMB_VFS_CREATE_FILE(
564 conn, /* conn */
565 req, /* req */
566 root_dir_fid, /* root_dir_fid */
567 smb_fname, /* fname */
568 access_mask, /* access_mask */
569 share_access, /* share_access */
570 create_disposition, /* create_disposition*/
571 create_options, /* create_options */
572 file_attributes, /* file_attributes */
573 oplock_request, /* oplock_request */
574 allocation_size, /* allocation_size */
575 0, /* private_flags */
576 NULL, /* sd */
577 NULL, /* ea_list */
578 &fsp, /* result */
579 &info); /* pinfo */
580
581 if (!NT_STATUS_IS_OK(status)) {
582 if (open_was_deferred(req->mid)) {
583 /* We have re-scheduled this call, no error. */
584 goto out;
585 }
586 reply_openerror(req, status);
587 goto out;
588 }
589
590 /* Ensure we're pointing at the correct stat struct. */
591 TALLOC_FREE(smb_fname);
592 smb_fname = fsp->fsp_name;
593
594 /*
595 * If the caller set the extended oplock request bit
596 * and we granted one (by whatever means) - set the
597 * correct bit for extended oplock reply.
598 */
599
600 if (oplock_request &&
601 (lp_fake_oplocks(SNUM(conn))
602 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
603
604 /*
605 * Exclusive oplock granted
606 */
607
608 if (flags & REQUEST_BATCH_OPLOCK) {
609 oplock_granted = BATCH_OPLOCK_RETURN;
610 } else {
611 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
612 }
613 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
614 oplock_granted = LEVEL_II_OPLOCK_RETURN;
615 } else {
616 oplock_granted = NO_OPLOCK_RETURN;
617 }
618
619 file_len = smb_fname->st.st_ex_size;
620
621 if (flags & EXTENDED_RESPONSE_REQUIRED) {
622 /* This is very strange. We
623 * return 50 words, but only set
624 * the wcnt to 42 ? It's definately
625 * what happens on the wire....
626 */
627 reply_outbuf(req, 50, 0);
628 SCVAL(req->outbuf,smb_wct,42);
629 } else {
630 reply_outbuf(req, 34, 0);
631 }
632
633 p = (char *)req->outbuf + smb_vwv2;
634
635 SCVAL(p, 0, oplock_granted);
636
637 p++;
638 SSVAL(p,0,fsp->fnum);
639 p += 2;
640 if ((create_disposition == FILE_SUPERSEDE)
641 && (info == FILE_WAS_OVERWRITTEN)) {
642 SIVAL(p,0,FILE_WAS_SUPERSEDED);
643 } else {
644 SIVAL(p,0,info);
645 }
646 p += 4;
647
648 fattr = dos_mode(conn, smb_fname);
649 if (fattr == 0) {
650 fattr = FILE_ATTRIBUTE_NORMAL;
651 }
652
653 /* Deal with other possible opens having a modified
654 write time. JRA. */
655 ZERO_STRUCT(write_time_ts);
656 get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
657 if (!null_timespec(write_time_ts)) {
658 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
659 }
660
661 /* Create time. */
662 create_timespec = get_create_timespec(conn, fsp, smb_fname);
663 a_timespec = smb_fname->st.st_ex_atime;
664 m_timespec = smb_fname->st.st_ex_mtime;
665 c_timespec = get_change_timespec(conn, fsp, smb_fname);
666
667 if (lp_dos_filetime_resolution(SNUM(conn))) {
668 dos_filetime_timespec(&create_timespec);
669 dos_filetime_timespec(&a_timespec);
670 dos_filetime_timespec(&m_timespec);
671 dos_filetime_timespec(&c_timespec);
672 }
673
674 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
675 p += 8;
676 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
677 p += 8;
678 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
679 p += 8;
680 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
681 p += 8;
682 SIVAL(p,0,fattr); /* File Attributes. */
683 p += 4;
684 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
685 p += 8;
686 SOFF_T(p,0,file_len);
687 p += 8;
688 if (flags & EXTENDED_RESPONSE_REQUIRED) {
689 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
690 size_t num_names = 0;
691 unsigned int num_streams = 0;
692 struct stream_struct *streams = NULL;
693
694 /* Do we have any EA's ? */
695 status = get_ea_names_from_file(ctx, conn, fsp,
696 smb_fname->base_name, NULL, &num_names);
697 if (NT_STATUS_IS_OK(status) && num_names) {
698 file_status &= ~NO_EAS;
699 }
700 status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
701 &num_streams, &streams);
702 /* There is always one stream, ::$DATA. */
703 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
704 file_status &= ~NO_SUBSTREAMS;
705 }
706 TALLOC_FREE(streams);
707 SSVAL(p,2,file_status);
708 }
709 p += 4;
710 SCVAL(p,0,fsp->is_directory ? 1 : 0);
711
712 if (flags & EXTENDED_RESPONSE_REQUIRED) {
713 uint32 perms = 0;
714 p += 25;
715 if (fsp->is_directory ||
716 can_write_to_file(conn, smb_fname)) {
717 perms = FILE_GENERIC_ALL;
718 } else {
719 perms = FILE_GENERIC_READ|FILE_EXECUTE;
720 }
721 SIVAL(p,0,perms);
722 }
723
724 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
725 fsp->fnum, smb_fname_str_dbg(smb_fname)));
726
727 chain_reply(req);
728 out:
729 END_PROFILE(SMBntcreateX);
730 return;
731 }
732
733 /****************************************************************************
734 Reply to a NT_TRANSACT_CREATE call to open a pipe.
735 ****************************************************************************/
736
737 static void do_nt_transact_create_pipe(connection_struct *conn,
738 struct smb_request *req,
739 uint16 **ppsetup, uint32 setup_count,
740 char **ppparams, uint32 parameter_count,
741 char **ppdata, uint32 data_count)
742 {
743 char *fname = NULL;
744 char *params = *ppparams;
745 int pnum = -1;
746 char *p = NULL;
747 NTSTATUS status;
748 size_t param_len;
749 uint32 flags;
750 TALLOC_CTX *ctx = talloc_tos();
751
752 /*
753 * Ensure minimum number of parameters sent.
754 */
755
756 if(parameter_count < 54) {
757 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
758 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
759 return;
760 }
761
762 flags = IVAL(params,0);
763
764 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
765 parameter_count-53, STR_TERMINATE,
766 &status);
767 if (!NT_STATUS_IS_OK(status)) {
768 reply_nterror(req, status);
769 return;
770 }
771
772 nt_open_pipe(fname, conn, req, &pnum);
773
774 if (req->outbuf) {
775 /* Error return */
776 return;
777 }
778
779 /* Realloc the size of parameters and data we will return */
780 if (flags & EXTENDED_RESPONSE_REQUIRED) {
781 /* Extended response is 32 more byyes. */
782 param_len = 101;
783 } else {
784 param_len = 69;
785 }
786 params = nttrans_realloc(ppparams, param_len);
787 if(params == NULL) {
788 reply_nterror(req, NT_STATUS_NO_MEMORY);
789 return;
790 }
791
792 p = params;
793 SCVAL(p,0,NO_OPLOCK_RETURN);
794
795 p += 2;
796 SSVAL(p,0,pnum);
797 p += 2;
798 SIVAL(p,0,FILE_WAS_OPENED);
799 p += 8;
800
801 p += 32;
802 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
803 p += 20;
804 /* File type. */
805 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
806 /* Device state. */
807 SSVAL(p,2, 0x5FF); /* ? */
808 p += 4;
809
810 if (flags & EXTENDED_RESPONSE_REQUIRED) {
811 p += 25;
812 SIVAL(p,0,FILE_GENERIC_ALL);
813 /*
814 * For pipes W2K3 seems to return
815 * 0x12019B next.
816 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
817 */
818 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
819 }
820
821 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
822
823 /* Send the required number of replies */
824 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
825
826 return;
827 }
828
829 /*********************************************************************
830 Windows seems to do canonicalization of inheritance bits. Do the
831 same.
832 *********************************************************************/
833
834 static void canonicalize_inheritance_bits(struct security_descriptor *psd)
835 {
836 bool set_auto_inherited = false;
837
838 /*
839 * We need to filter out the
840 * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
841 * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
842 * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
843 * when an ACE is inherited. Otherwise we zero these bits out.
844 * See:
845 *
846 * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
847 *
848 * for details.
849 */
850
851 if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ))
852 == (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
853 set_auto_inherited = true;
854 }
855
856 psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ);
857 if (set_auto_inherited) {
858 psd->type |= SEC_DESC_DACL_AUTO_INHERITED;
859 }
860 }
861
862 /****************************************************************************
863 Internal fn to set security descriptors.
864 ****************************************************************************/
865
866 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
867 uint32_t security_info_sent)
868 {
869 NTSTATUS status;
870
871 if (!CAN_WRITE(fsp->conn)) {
872 return NT_STATUS_ACCESS_DENIED;
873 }
874
875 if (!lp_nt_acl_support(SNUM(fsp->conn))) {
876 return NT_STATUS_OK;
877 }
878
879 if (psd->owner_sid == NULL) {
880 security_info_sent &= ~SECINFO_OWNER;
881 }
882 if (psd->group_sid == NULL) {
883 security_info_sent &= ~SECINFO_GROUP;
884 }
885
886 /* Ensure we have at least one thing set. */
887 if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
888 if (security_info_sent & SECINFO_LABEL) {
889 /* Only consider SECINFO_LABEL if no other
890 bits are set. Just like W2K3 we don't
891 store this. */
892 return NT_STATUS_OK;
893 }
894 return NT_STATUS_INVALID_PARAMETER;
895 }
896
897 /* Ensure we have the rights to do this. */
898 if (security_info_sent & SECINFO_OWNER) {
899 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
900 return NT_STATUS_ACCESS_DENIED;
901 }
902 }
903
904 if (security_info_sent & SECINFO_GROUP) {
905 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
906 return NT_STATUS_ACCESS_DENIED;
907 }
908 }
909
910 if (security_info_sent & SECINFO_DACL) {
911 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
912 return NT_STATUS_ACCESS_DENIED;
913 }
914 /* Convert all the generic bits. */
915 if (psd->dacl) {
916 security_acl_map_generic(psd->dacl, &file_generic_mapping);
917 }
918 }
919
920 if (security_info_sent & SECINFO_SACL) {
921 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
922 return NT_STATUS_ACCESS_DENIED;
923 }
924 /* Convert all the generic bits. */
925 if (psd->sacl) {
926 security_acl_map_generic(psd->sacl, &file_generic_mapping);
927 }
928 }
929
930 canonicalize_inheritance_bits(psd);
931
932 if (DEBUGLEVEL >= 10) {
933 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
934 NDR_PRINT_DEBUG(security_descriptor, psd);
935 }
936
937 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
938
939 TALLOC_FREE(psd);
940
941 return status;
942 }
943
944 /****************************************************************************
945 Internal fn to set security descriptors from a data blob.
946 ****************************************************************************/
947
948 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
949 uint32_t security_info_sent)
950 {
951 struct security_descriptor *psd = NULL;
952 NTSTATUS status;
953
954 if (sd_len == 0) {
955 return NT_STATUS_INVALID_PARAMETER;
956 }
957
958 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
959
960 if (!NT_STATUS_IS_OK(status)) {
961 return status;
962 }
963
964 return set_sd(fsp, psd, security_info_sent);
965 }
966
967 /****************************************************************************
968 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
969 ****************************************************************************/
970
971 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
972 {
973 struct ea_list *ea_list_head = NULL;
974 size_t offset = 0;
975
976 if (data_size < 4) {
977 return NULL;
978 }
979
980 while (offset + 4 <= data_size) {
981 size_t next_offset = IVAL(pdata,offset);
982 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
983
984 if (!eal) {
985 return NULL;
986 }
987
988 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
989 if (next_offset == 0) {
990 break;
991 }
992 offset += next_offset;
993 }
994
995 return ea_list_head;
996 }
997
998 /****************************************************************************
999 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1000 ****************************************************************************/
1001
1002 static void call_nt_transact_create(connection_struct *conn,
1003 struct smb_request *req,
1004 uint16 **ppsetup, uint32 setup_count,
1005 char **ppparams, uint32 parameter_count,
1006 char **ppdata, uint32 data_count,
1007 uint32 max_data_count)
1008 {
1009 struct smb_filename *smb_fname = NULL;
1010 char *fname = NULL;
1011 char *params = *ppparams;
1012 char *data = *ppdata;
1013 /* Breakout the oplock request bits so we can set the reply bits separately. */
1014 uint32 fattr=0;
1015 SMB_OFF_T file_len = 0;
1016 int info = 0;
1017 files_struct *fsp = NULL;
1018 char *p = NULL;
1019 uint32 flags;
1020 uint32 access_mask;
1021 uint32 file_attributes;
1022 uint32 share_access;
1023 uint32 create_disposition;
1024 uint32 create_options;
1025 uint32 sd_len;
1026 struct security_descriptor *sd = NULL;
1027 uint32 ea_len;
1028 uint16 root_dir_fid;
1029 struct timespec create_timespec;
1030 struct timespec c_timespec;
1031 struct timespec a_timespec;
1032 struct timespec m_timespec;
1033 struct timespec write_time_ts;
1034 struct ea_list *ea_list = NULL;
1035 NTSTATUS status;
1036 size_t param_len;
1037 uint64_t allocation_size;
1038 int oplock_request;
1039 uint8_t oplock_granted;
1040 struct case_semantics_state *case_state = NULL;
1041 TALLOC_CTX *ctx = talloc_tos();
1042
1043 DEBUG(5,("call_nt_transact_create\n"));
1044
1045 /*
1046 * If it's an IPC, use the pipe handler.
1047 */
1048
1049 if (IS_IPC(conn)) {
1050 if (lp_nt_pipe_support()) {
1051 do_nt_transact_create_pipe(
1052 conn, req,
1053 ppsetup, setup_count,
1054 ppparams, parameter_count,
1055 ppdata, data_count);
1056 goto out;
1057 }
1058 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1059 goto out;
1060 }
1061
1062 /*
1063 * Ensure minimum number of parameters sent.
1064 */
1065
1066 if(parameter_count < 54) {
1067 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1068 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1069 goto out;
1070 }
1071
1072 flags = IVAL(params,0);
1073 access_mask = IVAL(params,8);
1074 file_attributes = IVAL(params,20);
1075 share_access = IVAL(params,24);
1076 create_disposition = IVAL(params,28);
1077 create_options = IVAL(params,32);
1078 sd_len = IVAL(params,36);
1079 ea_len = IVAL(params,40);
1080 root_dir_fid = (uint16)IVAL(params,4);
1081 allocation_size = BVAL(params,12);
1082
1083 /*
1084 * we need to remove ignored bits when they come directly from the client
1085 * because we reuse some of them for internal stuff
1086 */
1087 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1088
1089 /* Ensure the data_len is correct for the sd and ea values given. */
1090 if ((ea_len + sd_len > data_count)
1091 || (ea_len > data_count) || (sd_len > data_count)
1092 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1093 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1094 "%u, data_count = %u\n", (unsigned int)ea_len,
1095 (unsigned int)sd_len, (unsigned int)data_count));
1096 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1097 goto out;
1098 }
1099
1100 if (sd_len) {
1101 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1102 sd_len));
1103
1104 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1105 &sd);
1106 if (!NT_STATUS_IS_OK(status)) {
1107 DEBUG(10, ("call_nt_transact_create: "
1108 "unmarshall_sec_desc failed: %s\n",
1109 nt_errstr(status)));
1110 reply_nterror(req, status);
1111 goto out;
1112 }
1113 }
1114
1115 if (ea_len) {
1116 if (!lp_ea_support(SNUM(conn))) {
1117 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1118 "EA's not supported.\n",
1119 (unsigned int)ea_len));
1120 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1121 goto out;
1122 }
1123
1124 if (ea_len < 10) {
1125 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1126 "too small (should be more than 10)\n",
1127 (unsigned int)ea_len ));
1128 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1129 goto out;
1130 }
1131
1132 /* We have already checked that ea_len <= data_count here. */
1133 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1134 ea_len);
1135 if (ea_list == NULL) {
1136 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1137 goto out;
1138 }
1139 }
1140
1141 srvstr_get_path(ctx, params, req->flags2, &fname,
1142 params+53, parameter_count-53,
1143 STR_TERMINATE, &status);
1144 if (!NT_STATUS_IS_OK(status)) {
1145 reply_nterror(req, status);
1146 goto out;
1147 }
1148
1149 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1150 case_state = set_posix_case_semantics(ctx, conn);
1151 if (!case_state) {
1152 reply_nterror(req, NT_STATUS_NO_MEMORY);
1153 goto out;
1154 }
1155 }
1156
1157 status = filename_convert(ctx,
1158 conn,
1159 req->flags2 & FLAGS2_DFS_PATHNAMES,
1160 fname,
1161 0,
1162 NULL,
1163 &smb_fname);
1164
1165 TALLOC_FREE(case_state);
1166
1167 if (!NT_STATUS_IS_OK(status)) {
1168 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1169 reply_botherror(req,
1170 NT_STATUS_PATH_NOT_COVERED,
1171 ERRSRV, ERRbadpath);
1172 goto out;
1173 }
1174 reply_nterror(req, status);
1175 goto out;
1176 }
1177
1178 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1179 if (oplock_request) {
1180 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1181 ? BATCH_OPLOCK : 0;
1182 }
1183
1184 /*
1185 * Bug #6898 - clients using Windows opens should
1186 * never be able to set this attribute into the
1187 * VFS.
1188 */
1189 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1190
1191 status = SMB_VFS_CREATE_FILE(
1192 conn, /* conn */
1193 req, /* req */
1194 root_dir_fid, /* root_dir_fid */
1195 smb_fname, /* fname */
1196 access_mask, /* access_mask */
1197 share_access, /* share_access */
1198 create_disposition, /* create_disposition*/
1199 create_options, /* create_options */
1200 file_attributes, /* file_attributes */
1201 oplock_request, /* oplock_request */
1202 allocation_size, /* allocation_size */
1203 0, /* private_flags */
1204 sd, /* sd */
1205 ea_list, /* ea_list */
1206 &fsp, /* result */
1207 &info); /* pinfo */
1208
1209 if(!NT_STATUS_IS_OK(status)) {
1210 if (open_was_deferred(req->mid)) {
1211 /* We have re-scheduled this call, no error. */
1212 return;
1213 }
1214 reply_openerror(req, status);
1215 goto out;
1216 }
1217
1218 /* Ensure we're pointing at the correct stat struct. */
1219 TALLOC_FREE(smb_fname);
1220 smb_fname = fsp->fsp_name;
1221
1222 /*
1223 * If the caller set the extended oplock request bit
1224 * and we granted one (by whatever means) - set the
1225 * correct bit for extended oplock reply.
1226 */
1227
1228 if (oplock_request &&
1229 (lp_fake_oplocks(SNUM(conn))
1230 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1231
1232 /*
1233 * Exclusive oplock granted
1234 */
1235
1236 if (flags & REQUEST_BATCH_OPLOCK) {
1237 oplock_granted = BATCH_OPLOCK_RETURN;
1238 } else {
1239 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1240 }
1241 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1242 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1243 } else {
1244 oplock_granted = NO_OPLOCK_RETURN;
1245 }
1246
1247 file_len = smb_fname->st.st_ex_size;
1248
1249 /* Realloc the size of parameters and data we will return */
1250 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1251 /* Extended response is 32 more byyes. */
1252 param_len = 101;
1253 } else {
1254 param_len = 69;
1255 }
1256 params = nttrans_realloc(ppparams, param_len);
1257 if(params == NULL) {
1258 reply_nterror(req, NT_STATUS_NO_MEMORY);
1259 goto out;
1260 }
1261
1262 p = params;
1263 SCVAL(p, 0, oplock_granted);
1264
1265 p += 2;
1266 SSVAL(p,0,fsp->fnum);
1267 p += 2;
1268 if ((create_disposition == FILE_SUPERSEDE)
1269 && (info == FILE_WAS_OVERWRITTEN)) {
1270 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1271 } else {
1272 SIVAL(p,0,info);
1273 }
1274 p += 8;
1275
1276 fattr = dos_mode(conn, smb_fname);
1277 if (fattr == 0) {
1278 fattr = FILE_ATTRIBUTE_NORMAL;
1279 }
1280
1281 /* Deal with other possible opens having a modified
1282 write time. JRA. */
1283 ZERO_STRUCT(write_time_ts);
1284 get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
1285 if (!null_timespec(write_time_ts)) {
1286 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1287 }
1288
1289 /* Create time. */
1290 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1291 a_timespec = smb_fname->st.st_ex_atime;
1292 m_timespec = smb_fname->st.st_ex_mtime;
1293 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1294
1295 if (lp_dos_filetime_resolution(SNUM(conn))) {
1296 dos_filetime_timespec(&create_timespec);
1297 dos_filetime_timespec(&a_timespec);
1298 dos_filetime_timespec(&m_timespec);
1299 dos_filetime_timespec(&c_timespec);
1300 }
1301
1302 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1303 p += 8;
1304 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1305 p += 8;
1306 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1307 p += 8;
1308 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1309 p += 8;
1310 SIVAL(p,0,fattr); /* File Attributes. */
1311 p += 4;
1312 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1313 p += 8;
1314 SOFF_T(p,0,file_len);
1315 p += 8;
1316 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1317 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1318 size_t num_names = 0;
1319 unsigned int num_streams = 0;
1320 struct stream_struct *streams = NULL;
1321
1322 /* Do we have any EA's ? */
1323 status = get_ea_names_from_file(ctx, conn, fsp,
1324 smb_fname->base_name, NULL, &num_names);
1325 if (NT_STATUS_IS_OK(status) && num_names) {
1326 file_status &= ~NO_EAS;
1327 }
1328 status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
1329 &num_streams, &streams);
1330 /* There is always one stream, ::$DATA. */
1331 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1332 file_status &= ~NO_SUBSTREAMS;
1333 }
1334 TALLOC_FREE(streams);
1335 SSVAL(p,2,file_status);
1336 }
1337 p += 4;
1338 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1339
1340 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1341 uint32 perms = 0;
1342 p += 25;
1343 if (fsp->is_directory ||
1344 can_write_to_file(conn, smb_fname)) {
1345 perms = FILE_GENERIC_ALL;
1346 } else {
1347 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1348 }
1349 SIVAL(p,0,perms);
1350 }
1351
1352 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1353 smb_fname_str_dbg(smb_fname)));
1354
1355 /* Send the required number of replies */
1356 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1357 out:
1358 return;
1359 }
1360
1361 /****************************************************************************
1362 Reply to a NT CANCEL request.
1363 conn POINTER CAN BE NULL HERE !
1364 ****************************************************************************/
1365
1366 void reply_ntcancel(struct smb_request *req)
1367 {
1368 /*
1369 * Go through and cancel any pending change notifies.
1370 */
1371
1372 START_PROFILE(SMBntcancel);
1373 srv_cancel_sign_response(req->sconn);
1374 remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1375 remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1376
1377 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1378 (unsigned long long)req->mid));
1379
1380 END_PROFILE(SMBntcancel);
1381 return;
1382 }
1383
1384 /****************************************************************************
1385 Copy a file.
1386 ****************************************************************************/
1387
1388 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1389 connection_struct *conn,
1390 struct smb_request *req,
1391 struct smb_filename *smb_fname_src,
1392 struct smb_filename *smb_fname_dst,
1393 uint32 attrs)
1394 {
1395 files_struct *fsp1,*fsp2;
1396 uint32 fattr;
1397 int info;
1398 SMB_OFF_T ret=-1;
1399 NTSTATUS status = NT_STATUS_OK;
1400 char *parent;
1401
1402 if (!CAN_WRITE(conn)) {
1403 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1404 goto out;
1405 }
1406
1407 /* Source must already exist. */
1408 if (!VALID_STAT(smb_fname_src->st)) {
1409 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1410 goto out;
1411 }
1412
1413 /* Ensure attributes match. */
1414 fattr = dos_mode(conn, smb_fname_src);
1415 if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
1416 status = NT_STATUS_NO_SUCH_FILE;
1417 goto out;
1418 }
1419
1420 /* Disallow if dst file already exists. */
1421 if (VALID_STAT(smb_fname_dst->st)) {
1422 status = NT_STATUS_OBJECT_NAME_COLLISION;
1423 goto out;
1424 }
1425
1426 /* No links from a directory. */
1427 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1428 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1429 goto out;
1430 }
1431
1432 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1433 smb_fname_str_dbg(smb_fname_src),
1434 smb_fname_str_dbg(smb_fname_dst)));
1435
1436 status = SMB_VFS_CREATE_FILE(
1437 conn, /* conn */
1438 req, /* req */
1439 0, /* root_dir_fid */
1440 smb_fname_src, /* fname */
1441 FILE_READ_DATA|FILE_READ_ATTRIBUTES|
1442 FILE_READ_EA, /* access_mask */
1443 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1444 FILE_SHARE_DELETE),
1445 FILE_OPEN, /* create_disposition*/
1446 0, /* create_options */
1447 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1448 NO_OPLOCK, /* oplock_request */
1449 0, /* allocation_size */
1450 0, /* private_flags */
1451 NULL, /* sd */
1452 NULL, /* ea_list */
1453 &fsp1, /* result */
1454 &info); /* pinfo */
1455
1456 if (!NT_STATUS_IS_OK(status)) {
1457 goto out;
1458 }
1459
1460 status = SMB_VFS_CREATE_FILE(
1461 conn, /* conn */
1462 req, /* req */
1463 0, /* root_dir_fid */
1464 smb_fname_dst, /* fname */
1465 FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|
1466 FILE_WRITE_EA, /* access_mask */
1467 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1468 FILE_SHARE_DELETE),
1469 FILE_CREATE, /* create_disposition*/
1470 0, /* create_options */
1471 fattr, /* file_attributes */
1472 NO_OPLOCK, /* oplock_request */
1473 0, /* allocation_size */
1474 0, /* private_flags */
1475 NULL, /* sd */
1476 NULL, /* ea_list */
1477 &fsp2, /* result */
1478 &info); /* pinfo */
1479
1480 if (!NT_STATUS_IS_OK(status)) {
1481 close_file(NULL, fsp1, ERROR_CLOSE);
1482 goto out;
1483 }
1484
1485 if (smb_fname_src->st.st_ex_size) {
1486 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1487 }
1488
1489 /*
1490 * As we are opening fsp1 read-only we only expect
1491 * an error on close on fsp2 if we are out of space.
1492 * Thus we don't look at the error return from the
1493 * close of fsp1.
1494 */
1495 close_file(NULL, fsp1, NORMAL_CLOSE);
1496
1497 /* Ensure the modtime is set correctly on the destination file. */
1498 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1499
1500 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1501
1502 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1503 creates the file. This isn't the correct thing to do in the copy
1504 case. JRA */
1505 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1506 NULL)) {
1507 status = NT_STATUS_NO_MEMORY;
1508 goto out;
1509 }
1510 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1511 TALLOC_FREE(parent);
1512
1513 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1514 status = NT_STATUS_DISK_FULL;
1515 goto out;
1516 }
1517 out:
1518 if (!NT_STATUS_IS_OK(status)) {
1519 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1520 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1521 smb_fname_str_dbg(smb_fname_dst)));
1522 }
1523
1524 return status;
1525 }
1526
1527 /****************************************************************************
1528 Reply to a NT rename request.
1529 ****************************************************************************/
1530
1531 void reply_ntrename(struct smb_request *req)
1532 {
1533 connection_struct *conn = req->conn;
1534 struct smb_filename *smb_fname_old = NULL;
1535 struct smb_filename *smb_fname_new = NULL;
1536 char *oldname = NULL;
1537 char *newname = NULL;
1538 const char *p;
1539 NTSTATUS status;
1540 bool src_has_wcard = False;
1541 bool dest_has_wcard = False;
1542 uint32 attrs;
1543 uint32_t ucf_flags_src = 0;
1544 uint32_t ucf_flags_dst = 0;
1545 uint16 rename_type;
1546 TALLOC_CTX *ctx = talloc_tos();
1547 bool stream_rename = false;
1548
1549 START_PROFILE(SMBntrename);
1550
1551 if (req->wct < 4) {
1552 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1553 goto out;
1554 }
1555
1556 attrs = SVAL(req->vwv+0, 0);
1557 rename_type = SVAL(req->vwv+1, 0);
1558
1559 p = (const char *)req->buf + 1;
1560 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1561 &status, &src_has_wcard);
1562 if (!NT_STATUS_IS_OK(status)) {
1563 reply_nterror(req, status);
1564 goto out;
1565 }
1566
1567 if (ms_has_wild(oldname)) {
1568 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1569 goto out;
1570 }
1571
1572 p++;
1573 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1574 &status, &dest_has_wcard);
1575 if (!NT_STATUS_IS_OK(status)) {
1576 reply_nterror(req, status);
1577 goto out;
1578 }
1579
1580 if (!lp_posix_pathnames()) {
1581 /* The newname must begin with a ':' if the
1582 oldname contains a ':'. */
1583 if (strchr_m(oldname, ':')) {
1584 if (newname[0] != ':') {
1585 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1586 goto out;
1587 }
1588 stream_rename = true;
1589 }
1590 }
1591
1592 /*
1593 * If this is a rename operation, allow wildcards and save the
1594 * destination's last component.
1595 */
1596 if (rename_type == RENAME_FLAG_RENAME) {
1597 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1598 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1599 }
1600
1601 /* rename_internals() calls unix_convert(), so don't call it here. */
1602 status = filename_convert(ctx, conn,
1603 req->flags2 & FLAGS2_DFS_PATHNAMES,
1604 oldname,
1605 ucf_flags_src,
1606 NULL,
1607 &smb_fname_old);
1608 if (!NT_STATUS_IS_OK(status)) {
1609 if (NT_STATUS_EQUAL(status,
1610 NT_STATUS_PATH_NOT_COVERED)) {
1611 reply_botherror(req,
1612 NT_STATUS_PATH_NOT_COVERED,
1613 ERRSRV, ERRbadpath);
1614 goto out;
1615 }
1616 reply_nterror(req, status);
1617 goto out;
1618 }
1619
1620 status = filename_convert(ctx, conn,
1621 req->flags2 & FLAGS2_DFS_PATHNAMES,
1622 newname,
1623 ucf_flags_dst,
1624 &dest_has_wcard,
1625 &smb_fname_new);
1626 if (!NT_STATUS_IS_OK(status)) {
1627 if (NT_STATUS_EQUAL(status,
1628 NT_STATUS_PATH_NOT_COVERED)) {
1629 reply_botherror(req,
1630 NT_STATUS_PATH_NOT_COVERED,
1631 ERRSRV, ERRbadpath);
1632 goto out;
1633 }
1634 reply_nterror(req, status);
1635 goto out;
1636 }
1637
1638 if (stream_rename) {
1639 /* smb_fname_new must be the same as smb_fname_old. */
1640 TALLOC_FREE(smb_fname_new->base_name);
1641 smb_fname_new->base_name = talloc_strdup(smb_fname_new,
1642 smb_fname_old->base_name);
1643 if (!smb_fname_new->base_name) {
1644 reply_nterror(req, NT_STATUS_NO_MEMORY);
1645 goto out;
1646 }
1647 }
1648
1649 DEBUG(3,("reply_ntrename: %s -> %s\n",
1650 smb_fname_str_dbg(smb_fname_old),
1651 smb_fname_str_dbg(smb_fname_new)));
1652
1653 switch(rename_type) {
1654 case RENAME_FLAG_RENAME:
1655 status = rename_internals(ctx, conn, req,
1656 smb_fname_old, smb_fname_new,
1657 attrs, False, src_has_wcard,
1658 dest_has_wcard,
1659 DELETE_ACCESS);
1660 break;
1661 case RENAME_FLAG_HARD_LINK:
1662 if (src_has_wcard || dest_has_wcard) {
1663 /* No wildcards. */
1664 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1665 } else {
1666 status = hardlink_internals(ctx, conn,
1667 req,
1668 false,
1669 smb_fname_old,
1670 smb_fname_new);
1671 }
1672 break;
1673 case RENAME_FLAG_COPY:
1674 if (src_has_wcard || dest_has_wcard) {
1675 /* No wildcards. */
1676 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1677 } else {
1678 status = copy_internals(ctx, conn, req,
1679 smb_fname_old,
1680 smb_fname_new,
1681 attrs);
1682 }
1683 break;
1684 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1685 status = NT_STATUS_INVALID_PARAMETER;
1686 break;
1687 default:
1688 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1689 break;
1690 }
1691
1692 if (!NT_STATUS_IS_OK(status)) {
1693 if (open_was_deferred(req->mid)) {
1694 /* We have re-scheduled this call. */
1695 goto out;
1696 }
1697
1698 reply_nterror(req, status);
1699 goto out;
1700 }
1701
1702 reply_outbuf(req, 0, 0);
1703 out:
1704 END_PROFILE(SMBntrename);
1705 return;
1706 }
1707
1708 /****************************************************************************
1709 Reply to a notify change - queue the request and
1710 don't allow a directory to be opened.
1711 ****************************************************************************/
1712
1713 static void smbd_smb1_notify_reply(struct smb_request *req,
1714 NTSTATUS error_code,
1715 uint8_t *buf, size_t len)
1716 {
1717 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1718 }
1719
1720 static void call_nt_transact_notify_change(connection_struct *conn,
1721 struct smb_request *req,
1722 uint16 **ppsetup,
1723 uint32 setup_count,
1724 char **ppparams,
1725 uint32 parameter_count,
1726 char **ppdata, uint32 data_count,
1727 uint32 max_data_count,
1728 uint32 max_param_count)
1729 {
1730 uint16 *setup = *ppsetup;
1731 files_struct *fsp;
1732 uint32 filter;
1733 NTSTATUS status;
1734 bool recursive;
1735
1736 if(setup_count < 6) {
1737 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1738 return;
1739 }
1740
1741 fsp = file_fsp(req, SVAL(setup,4));
1742 filter = IVAL(setup, 0);
1743 recursive = (SVAL(setup, 6) != 0) ? True : False;
1744
1745 DEBUG(3,("call_nt_transact_notify_change\n"));
1746
1747 if(!fsp) {
1748 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1749 return;
1750 }
1751
1752 {
1753 char *filter_string;
1754
1755 if (!(filter_string = notify_filter_string(NULL, filter))) {
1756 reply_nterror(req,NT_STATUS_NO_MEMORY);
1757 return;
1758 }
1759
1760 DEBUG(3,("call_nt_transact_notify_change: notify change "
1761 "called on %s, filter = %s, recursive = %d\n",
1762 fsp_str_dbg(fsp), filter_string, recursive));
1763
1764 TALLOC_FREE(filter_string);
1765 }
1766
1767 if((!fsp->is_directory) || (conn != fsp->conn)) {
1768 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1769 return;
1770 }
1771
1772 if (fsp->notify == NULL) {
1773
1774 status = change_notify_create(fsp, filter, recursive);
1775
1776 if (!NT_STATUS_IS_OK(status)) {
1777 DEBUG(10, ("change_notify_create returned %s\n",
1778 nt_errstr(status)));
1779 reply_nterror(req, status);
1780 return;
1781 }
1782 }
1783
1784 if (fsp->notify->num_changes != 0) {
1785
1786 /*
1787 * We've got changes pending, respond immediately
1788 */
1789
1790 /*
1791 * TODO: write a torture test to check the filtering behaviour
1792 * here.
1793 */
1794
1795 change_notify_reply(req,
1796 NT_STATUS_OK,
1797 max_param_count,
1798 fsp->notify,
1799 smbd_smb1_notify_reply);
1800
1801 /*
1802 * change_notify_reply() above has independently sent its
1803 * results
1804 */
1805 return;
1806 }
1807
1808 /*
1809 * No changes pending, queue the request
1810 */
1811
1812 status = change_notify_add_request(req,
1813 max_param_count,
1814 filter,
1815 recursive, fsp,
1816 smbd_smb1_notify_reply);
1817 if (!NT_STATUS_IS_OK(status)) {
1818 reply_nterror(req, status);
1819 }
1820 return;
1821 }
1822
1823 /****************************************************************************
1824 Reply to an NT transact rename command.
1825 ****************************************************************************/
1826
1827 static void call_nt_transact_rename(connection_struct *conn,
1828 struct smb_request *req,
1829 uint16 **ppsetup, uint32 setup_count,
1830 char **ppparams, uint32 parameter_count,
1831 char **ppdata, uint32 data_count,
1832 uint32 max_data_count)
1833 {
1834 char *params = *ppparams;
1835 char *new_name = NULL;
1836 files_struct *fsp = NULL;
1837 bool dest_has_wcard = False;
1838 NTSTATUS status;
1839 TALLOC_CTX *ctx = talloc_tos();
1840
1841 if(parameter_count < 5) {
1842 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1843 return;
1844 }
1845
1846 fsp = file_fsp(req, SVAL(params, 0));
1847 if (!check_fsp(conn, req, fsp)) {
1848 return;
1849 }
1850 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1851 parameter_count - 4,
1852 STR_TERMINATE, &status, &dest_has_wcard);
1853 if (!NT_STATUS_IS_OK(status)) {
1854 reply_nterror(req, status);
1855 return;
1856 }
1857
1858 /*
1859 * W2K3 ignores this request as the RAW-RENAME test
1860 * demonstrates, so we do.
1861 */
1862 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1863
1864 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1865 fsp_str_dbg(fsp), new_name));
1866
1867 return;
1868 }
1869
1870 /******************************************************************************
1871 Fake up a completely empty SD.
1872 *******************************************************************************/
1873
1874 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1875 {
1876 size_t sd_size;
1877
1878 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1879 if(!*ppsd) {
1880 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1881 return NT_STATUS_NO_MEMORY;
1882 }
1883
1884 return NT_STATUS_OK;
1885 }
1886
1887 /****************************************************************************
1888 Reply to query a security descriptor.
1889 Callable from SMB2 and SMB2.
1890 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1891 the required size.
1892 ****************************************************************************/
1893
1894 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1895 TALLOC_CTX *mem_ctx,
1896 files_struct *fsp,
1897 uint32_t security_info_wanted,
1898 uint32_t max_data_count,
1899 uint8_t **ppmarshalled_sd,
1900 size_t *psd_size)
1901 {
1902 NTSTATUS status;
1903 struct security_descriptor *psd = NULL;
1904
1905 /*
1906 * Get the permissions to return.
1907 */
1908
1909 if ((security_info_wanted & SECINFO_SACL) &&
1910 !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1911 return NT_STATUS_ACCESS_DENIED;
1912 }
1913
1914 if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1915 !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1916 return NT_STATUS_ACCESS_DENIED;
1917 }
1918
1919 if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
1920 SECINFO_GROUP|SECINFO_SACL)) {
1921 /* Don't return SECINFO_LABEL if anything else was
1922 requested. See bug #8458. */
1923 security_info_wanted &= ~SECINFO_LABEL;
1924 }
1925
1926 if (!lp_nt_acl_support(SNUM(conn))) {
1927 status = get_null_nt_acl(mem_ctx, &psd);
1928 } else if (security_info_wanted & SECINFO_LABEL) {
1929 /* Like W2K3 return a null object. */
1930 status = get_null_nt_acl(mem_ctx, &psd);
1931 } else {
1932 status = SMB_VFS_FGET_NT_ACL(
1933 fsp, security_info_wanted, &psd);
1934 }
1935 if (!NT_STATUS_IS_OK(status)) {
1936 return status;
1937 }
1938
1939 if (!(security_info_wanted & SECINFO_OWNER)) {
1940 psd->owner_sid = NULL;
1941 }
1942 if (!(security_info_wanted & SECINFO_GROUP)) {
1943 psd->group_sid = NULL;
1944 }
1945 if (!(security_info_wanted & SECINFO_DACL)) {
1946 psd->type &= ~SEC_DESC_DACL_PRESENT;
1947 psd->dacl = NULL;
1948 }
1949 if (!(security_info_wanted & SECINFO_SACL)) {
1950 psd->type &= ~SEC_DESC_SACL_PRESENT;
1951 psd->sacl = NULL;
1952 }
1953
1954 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1955 * present in the reply to match Windows behavior */
1956 if (psd->sacl == NULL &&
1957 security_info_wanted & SECINFO_SACL)
1958 psd->type |= SEC_DESC_SACL_PRESENT;
1959 if (psd->dacl == NULL &&
1960 security_info_wanted & SECINFO_DACL)
1961 psd->type |= SEC_DESC_DACL_PRESENT;
1962
1963 if (security_info_wanted & SECINFO_LABEL) {
1964 /* Like W2K3 return a null object. */
1965 psd->owner_sid = NULL;
1966 psd->group_sid = NULL;
1967 psd->dacl = NULL;
1968 psd->sacl = NULL;
1969 psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
1970 }
1971
1972 *psd_size = ndr_size_security_descriptor(psd, 0);
1973
1974 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1975 (unsigned long)*psd_size));
1976
1977 if (DEBUGLEVEL >= 10) {
1978 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1979 fsp_str_dbg(fsp)));
1980 NDR_PRINT_DEBUG(security_descriptor, psd);
1981 }
1982
1983 if (max_data_count < *psd_size) {
1984 TALLOC_FREE(psd);
1985 return NT_STATUS_BUFFER_TOO_SMALL;
1986 }
1987
1988 status = marshall_sec_desc(mem_ctx, psd,
1989 ppmarshalled_sd, psd_size);
1990
1991 if (!NT_STATUS_IS_OK(status)) {
1992 TALLOC_FREE(psd);
1993 return status;
1994 }
1995
1996 TALLOC_FREE(psd);
1997 return NT_STATUS_OK;
1998 }
1999
2000 /****************************************************************************
2001 SMB1 reply to query a security descriptor.
2002 ****************************************************************************/
2003
2004 static void call_nt_transact_query_security_desc(connection_struct *conn,
2005 struct smb_request *req,
2006 uint16 **ppsetup,
2007 uint32 setup_count,
2008 char **ppparams,
2009 uint32 parameter_count,
2010 char **ppdata,
2011 uint32 data_count,
2012 uint32 max_data_count)
2013 {
2014 char *params = *ppparams;
2015 char *data = *ppdata;
2016 size_t sd_size = 0;
2017 uint32 security_info_wanted;
2018 files_struct *fsp = NULL;
2019 NTSTATUS status;
2020 uint8_t *marshalled_sd = NULL;
2021
2022 if(parameter_count < 8) {
2023 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2024 return;
2025 }
2026
2027 fsp = file_fsp(req, SVAL(params,0));
2028 if(!fsp) {
2029 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2030 return;
2031 }
2032
2033 security_info_wanted = IVAL(params,4);
2034
2035 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2036 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
2037 (unsigned int)security_info_wanted));
2038
2039 params = nttrans_realloc(ppparams, 4);
2040 if(params == NULL) {
2041 reply_nterror(req, NT_STATUS_NO_MEMORY);
2042 return;
2043 }
2044
2045 /*
2046 * Get the permissions to return.
2047 */
2048
2049 status = smbd_do_query_security_desc(conn,
2050 talloc_tos(),
2051 fsp,
2052 security_info_wanted,
2053 max_data_count,
2054 &marshalled_sd,
2055 &sd_size);
2056
2057 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
2058 SIVAL(params,0,(uint32_t)sd_size);
2059 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2060 params, 4, NULL, 0);
2061 return;
2062 }
2063
2064 if (!NT_STATUS_IS_OK(status)) {
2065 reply_nterror(req, status);
2066 return;
2067 }
2068
2069 SMB_ASSERT(sd_size > 0);
2070
2071 SIVAL(params,0,(uint32_t)sd_size);
2072
2073 if (max_data_count < sd_size) {
2074 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2075 params, 4, NULL, 0);
2076 return;
2077 }
2078
2079 /*
2080 * Allocate the data we will return.
2081 */
2082
2083 data = nttrans_realloc(ppdata, sd_size);
2084 if(data == NULL) {
2085 reply_nterror(req, NT_STATUS_NO_MEMORY);
2086 return;
2087 }
2088
2089 memcpy(data, marshalled_sd, sd_size);
2090
2091 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2092
2093 return;
2094 }
2095
2096 /****************************************************************************
2097 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2098 ****************************************************************************/
2099
2100 static void call_nt_transact_set_security_desc(connection_struct *conn,
2101 struct smb_request *req,
2102 uint16 **ppsetup,
2103 uint32 setup_count,
2104 char **ppparams,
2105 uint32 parameter_count,
2106 char **ppdata,
2107 uint32 data_count,
2108 uint32 max_data_count)
2109 {
2110 char *params= *ppparams;
2111 char *data = *ppdata;
2112 files_struct *fsp = NULL;
2113 uint32 security_info_sent = 0;
2114 NTSTATUS status;
2115
2116 if(parameter_count < 8) {
2117 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2118 return;
2119 }
2120
2121 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2122 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2123 return;
2124 }
2125
2126 if (!CAN_WRITE(fsp->conn)) {
2127 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2128 return;
2129 }
2130
2131 if(!lp_nt_acl_support(SNUM(conn))) {
2132 goto done;
2133 }
2134
2135 security_info_sent = IVAL(params,4);
2136
2137 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2138 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2139
2140 if (data_count == 0) {
2141 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2142 return;
2143 }
2144
2145 status = set_sd_blob(fsp, (uint8 *)data, data_count, security_info_sent);
2146
2147 if (!NT_STATUS_IS_OK(status)) {
2148 reply_nterror(req, status);
2149 return;
2150 }
2151
2152 done:
2153 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2154 return;
2155 }
2156
2157 /*
2158 * Implement the default fsctl operation.
2159 */
2160
2161 static bool vfswrap_logged_ioctl_message = false;
2162
2163 /*
2164 * In 3.6 we do not have a SMB_VFS_FSCTL() function
2165 * it's just faked to make it more look like
2166 * master (4.0)
2167 */
2168 NTSTATUS smb_fsctl(struct files_struct *fsp,
2169 TALLOC_CTX *ctx,
2170 uint32_t function,
2171 uint16_t req_flags, /* Needed for UNICODE ... */
2172 const uint8_t *_in_data,
2173 uint32_t in_len,
2174 uint8_t **_out_data,
2175 uint32_t max_out_len,
2176 uint32_t *out_len)
2177 {
2178 const char *in_data = (const char *)_in_data;
2179 char **out_data = (char **)_out_data;
2180
2181 switch (function) {
2182 case FSCTL_SET_SPARSE:
2183 {
2184 bool set_sparse = true;
2185 NTSTATUS status;
2186
2187 if (in_len >= 1 && in_data[0] == 0) {
2188 set_sparse = false;
2189 }
2190
2191 status = file_set_sparse(fsp->conn, fsp, set_sparse);
2192
2193 DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
2194 ("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2195 smb_fname_str_dbg(fsp->fsp_name), set_sparse,
2196 nt_errstr(status)));
2197
2198 return status;
2199 }
2200
2201 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2202 {
2203 unsigned char objid[16];
2204 char *return_data = NULL;
2205
2206 /* This should return the object-id on this file.
2207 * I think I'll make this be the inode+dev. JRA.
2208 */
2209
2210 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fsp->fnum));
2211
2212 *out_len = (max_out_len >= 64) ? 64 : max_out_len;
2213 /* Hmmm, will this cause problems if less data asked for? */
2214 return_data = talloc_array(ctx, char, 64);
2215 if (return_data == NULL) {
2216 return NT_STATUS_NO_MEMORY;
2217 }
2218
2219 /* For backwards compatibility only store the dev/inode. */
2220 push_file_id_16(return_data, &fsp->file_id);
2221 memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
2222 push_file_id_16(return_data+32, &fsp->file_id);
2223 *out_data = return_data;
2224 return NT_STATUS_OK;
2225 }
2226
2227 case FSCTL_GET_REPARSE_POINT:
2228 {
2229 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
2230 DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2231 return NT_STATUS_NOT_A_REPARSE_POINT;
2232 }
2233
2234 case FSCTL_SET_REPARSE_POINT:
2235 {
2236 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
2237 DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2238 return NT_STATUS_NOT_A_REPARSE_POINT;
2239 }
2240
2241 case FSCTL_GET_SHADOW_COPY_DATA:
2242 {
2243 /*
2244 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2245 * and return their volume names. If max_data_count is 16, then it is just
2246 * asking for the number of volumes and length of the combined names.
2247 *
2248 * pdata is the data allocated by our caller, but that uses
2249 * total_data_count (which is 0 in our case) rather than max_data_count.
2250 * Allocate the correct amount and return the pointer to let
2251 * it be deallocated when we return.
2252 */
2253 struct shadow_copy_data *shadow_data = NULL;
2254 bool labels = False;
2255 uint32 labels_data_count = 0;
2256 uint32 i;
2257 char *cur_pdata = NULL;
2258
2259 if (max_out_len < 16) {
2260 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2261 max_out_len));
2262 return NT_STATUS_INVALID_PARAMETER;
2263 }
2264
2265 if (max_out_len > 16) {
2266 labels = True;
2267 }
2268
2269 shadow_data = talloc_zero(ctx, struct shadow_copy_data);
2270 if (shadow_data == NULL) {
2271 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2272 return NT_STATUS_NO_MEMORY;
2273 }
2274
2275 /*
2276 * Call the VFS routine to actually do the work.
2277 */
2278 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2279 TALLOC_FREE(shadow_data);
2280 if (errno == ENOSYS) {
2281 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2282 fsp->conn->connectpath));
2283 return NT_STATUS_NOT_SUPPORTED;
2284 } else {
2285 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2286 fsp->conn->connectpath));
2287 return NT_STATUS_UNSUCCESSFUL;
2288 }
2289 }
2290
2291 labels_data_count = (shadow_data->num_volumes * 2 *
2292 sizeof(SHADOW_COPY_LABEL)) + 2;
2293
2294 if (!labels) {
2295 *out_len = 16;
2296 } else {
2297 *out_len = 12 + labels_data_count + 4;
2298 }
2299
2300 if (max_out_len < *out_len) {
2301 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2302 max_out_len, *out_len));
2303 TALLOC_FREE(shadow_data);
2304 return NT_STATUS_BUFFER_TOO_SMALL;
2305 }
2306
2307 cur_pdata = talloc_array(ctx, char, *out_len);
2308 if (cur_pdata == NULL) {
2309 TALLOC_FREE(shadow_data);
2310 return NT_STATUS_NO_MEMORY;
2311 }
2312
2313 *out_data = cur_pdata;
2314
2315 /* num_volumes 4 bytes */
2316 SIVAL(cur_pdata, 0, shadow_data->num_volumes);
2317
2318 if (labels) {
2319 /* num_labels 4 bytes */
2320 SIVAL(cur_pdata, 4, shadow_data->num_volumes);
2321 }
2322
2323 /* needed_data_count 4 bytes */
2324 SIVAL(cur_pdata, 8, labels_data_count + 4);
2325
2326 cur_pdata += 12;
2327
2328 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2329 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2330 if (labels && shadow_data->labels) {
2331 for (i=0; i<shadow_data->num_volumes; i++) {
2332 srvstr_push(cur_pdata, req_flags,
2333 cur_pdata, shadow_data->labels[i],
2334 2 * sizeof(SHADOW_COPY_LABEL),
2335 STR_UNICODE|STR_TERMINATE);
2336 cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
2337 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2338 }
2339 }
2340
2341 TALLOC_FREE(shadow_data);
2342
2343 return NT_STATUS_OK;
2344 }
2345
2346 case FSCTL_FIND_FILES_BY_SID:
2347 {
2348 /* pretend this succeeded -
2349 *
2350 * we have to send back a list with all files owned by this SID
2351 *
2352 * but I have to check that --metze
2353 */
2354 struct dom_sid sid;
2355 uid_t uid;
2356 size_t sid_len;
2357
2358 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n", fsp->fnum));
2359
2360 if (in_len < 8) {
2361 /* NT_STATUS_BUFFER_TOO_SMALL maybe? */
2362 return NT_STATUS_INVALID_PARAMETER;
2363 }
2364
2365 sid_len = MIN(in_len - 4,SID_MAX_SIZE);
2366
2367 /* unknown 4 bytes: this is not the length of the sid :-( */
2368 /*unknown = IVAL(pdata,0);*/
2369
2370 if (!sid_parse(in_data + 4, sid_len, &sid)) {
2371 return NT_STATUS_INVALID_PARAMETER;
2372 }
2373 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2374
2375 if (!sid_to_uid(&sid, &uid)) {
2376 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2377 sid_string_dbg(&sid),
2378 (unsigned long)sid_len));
2379 uid = (-1);
2380 }
2381
2382 /* we can take a look at the find source :-)
2383 *
2384 * find ./ -uid $uid -name '*' is what we need here
2385 *
2386 *
2387 * and send 4bytes len and then NULL terminated unicode strings
2388 * for each file
2389 *
2390 * but I don't know how to deal with the paged results
2391 * (maybe we can hang the result anywhere in the fsp struct)
2392 *
2393 * but I don't know how to deal with the paged results
2394 * (maybe we can hang the result anywhere in the fsp struct)
2395 *
2396 * we don't send all files at once
2397 * and at the next we should *not* start from the beginning,
2398 * so we have to cache the result
2399 *
2400 * --metze
2401 */
2402
2403 /* this works for now... */
2404 return NT_STATUS_OK;
2405 }
2406
2407 case FSCTL_QUERY_ALLOCATED_RANGES:
2408 {
2409 /* FIXME: This is just a dummy reply, telling that all of the
2410 * file is allocated. MKS cp needs that.
2411 * Adding the real allocated ranges via FIEMAP on Linux
2412 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2413 * this FSCTL correct for sparse files.
2414 */
2415 NTSTATUS status;
2416 uint64_t offset, length;
2417 char *out_data_tmp = NULL;
2418
2419 if (in_len != 16) {
2420 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2421 in_len));
2422 return NT_STATUS_INVALID_PARAMETER;
2423 }
2424
2425 if (max_out_len < 16) {
2426 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
2427 max_out_len));
2428 return NT_STATUS_INVALID_PARAMETER;
2429 }
2430
2431 offset = BVAL(in_data,0);
2432 length = BVAL(in_data,8);
2433
2434 if (offset + length < offset) {
2435 /* No 64-bit integer wrap. */
2436 return NT_STATUS_INVALID_PARAMETER;
2437 }
2438
2439 /* Shouldn't this be SMB_VFS_STAT ... ? */
2440 status = vfs_stat_fsp(fsp);
2441 if (!NT_STATUS_IS_OK(status)) {
2442 return status;
2443 }
2444
2445 *out_len = 16;
2446 out_data_tmp = talloc_array(ctx, char, *out_len);
2447 if (out_data_tmp == NULL) {
2448 DEBUG(10, ("unable to allocate memory for response\n"));
2449 return NT_STATUS_NO_MEMORY;
2450 }
2451
2452 if (offset > fsp->fsp_name->st.st_ex_size ||
2453 fsp->fsp_name->st.st_ex_size == 0 ||
2454 length == 0) {
2455 memset(out_data_tmp, 0, *out_len);
2456 } else {
2457 uint64_t end = offset + length;
2458 end = MIN(end, fsp->fsp_name->st.st_ex_size);
2459 SBVAL(out_data_tmp, 0, 0);
2460 SBVAL(out_data_tmp, 8, end);
2461 }
2462
2463 *out_data = out_data_tmp;
2464
2465 return NT_STATUS_OK;
2466 }
2467
2468 case FSCTL_IS_VOLUME_DIRTY:
2469 {
2470 DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on FID[0x%04X] "
2471 "(but not implemented)\n", fsp->fnum));
2472 /*
2473 * http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
2474 * says we have to respond with NT_STATUS_INVALID_PARAMETER
2475 */
2476 return NT_STATUS_INVALID_PARAMETER;
2477 }
2478
2479 default:
2480 /*
2481 * Only print once ... unfortunately there could be lots of
2482 * different FSCTLs that are called.
2483 */
2484 if (!vfswrap_logged_ioctl_message) {
2485 vfswrap_logged_ioctl_message = true;
2486 DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
2487 __FUNCTION__, function));
2488 }
2489 }
2490
2491 return NT_STATUS_NOT_SUPPORTED;
2492 }
2493
2494 /****************************************************************************
2495 Reply to NT IOCTL
2496 ****************************************************************************/
2497
2498 static void call_nt_transact_ioctl(connection_struct *conn,
2499 struct smb_request *req,
2500 uint16 **ppsetup, uint32 setup_count,
2501 char **ppparams, uint32 parameter_count,
2502 char **ppdata, uint32 data_count,
2503 uint32 max_data_count)
2504 {
2505 NTSTATUS status;
2506 uint32 function;
2507 uint16 fidnum;
2508 files_struct *fsp;
2509 uint8 isFSctl;
2510 uint8 compfilter;
2511 char *out_data = NULL;
2512 uint32 out_data_len = 0;
2513 char *pdata = *ppdata;
2514 TALLOC_CTX *ctx = talloc_tos();
2515
2516 if (setup_count != 8) {
2517 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2518 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2519 return;
2520 }
2521
2522 function = IVAL(*ppsetup, 0);
2523 fidnum = SVAL(*ppsetup, 4);
2524 isFSctl = CVAL(*ppsetup, 6);
2525 compfilter = CVAL(*ppsetup, 7);
2526
2527 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2528 function, fidnum, isFSctl, compfilter));
2529
2530 fsp=file_fsp(req, fidnum);
2531
2532 /*
2533 * We don't really implement IOCTLs, especially on files.
2534 */
2535 if (!isFSctl) {
2536 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2537 isFSctl));
2538 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2539 return;
2540 }
2541
2542 /* Has to be for an open file! */
2543 if (!check_fsp_open(conn, req, fsp)) {
2544 return;
2545 }
2546
2547 /*
2548 * out_data might be allocated by the VFS module, but talloc should be
2549 * used, and should be cleaned up when the request ends.
2550 */
2551 status = smb_fsctl(fsp,
2552 ctx,
2553 function,
2554 req->flags2,
2555 (uint8_t *)pdata,
2556 data_count,
2557 (uint8_t **)&out_data,
2558 max_data_count,
2559 &out_data_len);
2560 if (!NT_STATUS_IS_OK(status)) {
2561 reply_nterror(req, status);
2562 } else {
2563 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
2564 }
2565 }
2566
2567
2568 #ifdef HAVE_SYS_QUOTAS
2569 /****************************************************************************
2570 Reply to get user quota
2571 ****************************************************************************/
2572
2573 static void call_nt_transact_get_user_quota(connection_struct *conn,
2574 struct smb_request *req,
2575 uint16 **ppsetup,
2576 uint32 setup_count,
2577 char **ppparams,
2578 uint32 parameter_count,
2579 char **ppdata,
2580 uint32 data_count,
2581 uint32 max_data_count)
2582 {
2583 NTSTATUS nt_status = NT_STATUS_OK;
2584 char *params = *ppparams;
2585 char *pdata = *ppdata;
2586 char *entry;
2587 int data_len=0,param_len=0;
2588 int qt_len=0;
2589 int entry_len = 0;
2590 files_struct *fsp = NULL;
2591 uint16 level = 0;
2592 size_t sid_len;
2593 struct dom_sid sid;
2594 bool start_enum = True;
2595 SMB_NTQUOTA_STRUCT qt;
2596 SMB_NTQUOTA_LIST *tmp_list;
2597 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2598
2599 ZERO_STRUCT(qt);
2600
2601 /* access check */
2602 if (get_current_uid(conn) != 0) {
2603 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2604 "[%s]\n", lp_servicename(SNUM(conn)),
2605 conn->session_info->unix_name));
2606 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2607 return;
2608 }
2609
2610 /*
2611 * Ensure minimum number of parameters sent.
2612 */
2613
2614 if (parameter_count < 4) {
2615 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2616 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2617 return;
2618 }
2619
2620 /* maybe we can check the quota_fnum */
2621 fsp = file_fsp(req, SVAL(params,0));
2622 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2623 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2624 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2625 return;
2626 }
2627
2628 /* the NULL pointer checking for fsp->fake_file_handle->pd
2629 * is done by CHECK_NTQUOTA_HANDLE_OK()
2630 */
2631 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2632
2633 level = SVAL(params,2);
2634
2635 /* unknown 12 bytes leading in params */
2636
2637 switch (level) {
2638 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2639 /* seems that we should continue with the enum here --metze */
2640
2641 if (qt_handle->quota_list!=NULL &&
2642 qt_handle->tmp_list==NULL) {
2643
2644 /* free the list */
2645 free_ntquota_list(&(qt_handle->quota_list));
2646
2647 /* Realloc the size of parameters and data we will return */
2648 param_len = 4;
2649 params = nttrans_realloc(ppparams, param_len);
2650 if(params == NULL) {
2651 reply_nterror(req, NT_STATUS_NO_MEMORY);
2652 return;
2653 }
2654
2655 data_len = 0;
2656 SIVAL(params,0,data_len);
2657
2658 break;
2659 }
2660
2661 start_enum = False;
2662
2663 case TRANSACT_GET_USER_QUOTA_LIST_START:
2664
2665 if (qt_handle->quota_list==NULL &&
2666 qt_handle->tmp_list==NULL) {
2667 start_enum = True;
2668 }
2669
2670 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2671 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2672 return;
2673 }
2674
2675 /* Realloc the size of parameters and data we will return */
2676 param_len = 4;
2677 params = nttrans_realloc(ppparams, param_len);
2678 if(params == NULL) {
2679 reply_nterror(req, NT_STATUS_NO_MEMORY);
2680 return;
2681 }
2682
2683 /* we should not trust the value in max_data_count*/
2684 max_data_count = MIN(max_data_count,2048);
2685
2686 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2687 if(pdata == NULL) {
2688 reply_nterror(req, NT_STATUS_NO_MEMORY);
2689 return;
2690 }
2691
2692 entry = pdata;
2693
2694 /* set params Size of returned Quota Data 4 bytes*/
2695 /* but set it later when we know it */
2696
2697 /* for each entry push the data */
2698
2699 if (start_enum) {
2700 qt_handle->tmp_list = qt_handle->quota_list;
2701 }
2702
2703 tmp_list = qt_handle->tmp_list;
2704
2705 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2706 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2707
2708 sid_len = ndr_size_dom_sid(
2709 &tmp_list->quotas->sid, 0);
2710 entry_len = 40 + sid_len;
2711
2712 /* nextoffset entry 4 bytes */
2713 SIVAL(entry,0,entry_len);
2714
2715 /* then the len of the SID 4 bytes */
2716 SIVAL(entry,4,sid_len);
2717
2718 /* unknown data 8 bytes uint64_t */
2719 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2720
2721 /* the used disk space 8 bytes uint64_t */
2722 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2723
2724 /* the soft quotas 8 bytes uint64_t */
2725 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2726
2727 /* the hard quotas 8 bytes uint64_t */
2728 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2729
2730 /* and now the SID */
2731 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2732 }
2733
2734 qt_handle->tmp_list = tmp_list;
2735
2736 /* overwrite the offset of the last entry */
2737 SIVAL(entry-entry_len,0,0);
2738
2739 data_len = 4+qt_len;
2740 /* overwrite the params quota_data_len */
2741 SIVAL(params,0,data_len);
2742
2743 break;
2744
2745 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2746
2747 /* unknown 4 bytes IVAL(pdata,0) */
2748
2749 if (data_count < 8) {
2750 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2751 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2752 return;
2753 }
2754
2755 sid_len = IVAL(pdata,4);
2756 /* Ensure this is less than 1mb. */
2757 if (sid_len > (1024*1024)) {
2758 reply_nterror(req, NT_STATUS_NO_MEMORY);
2759 return;
2760 }
2761
2762 if (data_count < 8+sid_len) {
2763 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2764 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2765 return;
2766 }
2767
2768 data_len = 4+40+sid_len;
2769
2770 if (max_data_count < data_len) {
2771 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2772 max_data_count, data_len));
2773 param_len = 4;
2774 SIVAL(params,0,data_len);
2775 data_len = 0;
2776 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2777 break;
2778 }
2779
2780 if (!sid_parse(pdata+8,sid_len,&sid)) {
2781 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2782 return;
2783 }
2784
2785 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2786 ZERO_STRUCT(qt);
2787 /*
2788 * we have to return zero's in all fields
2789 * instead of returning an error here
2790 * --metze
2791 */
2792 }
2793
2794 /* Realloc the size of parameters and data we will return */
2795 param_len = 4;
2796 params = nttrans_realloc(ppparams, param_len);
2797 if(params == NULL) {
2798 reply_nterror(req, NT_STATUS_NO_MEMORY);
2799 return;
2800 }
2801
2802 pdata = nttrans_realloc(ppdata, data_len);
2803 if(pdata == NULL) {
2804 reply_nterror(req, NT_STATUS_NO_MEMORY);
2805 return;
2806 }
2807
2808 entry = pdata;
2809
2810 /* set params Size of returned Quota Data 4 bytes*/
2811 SIVAL(params,0,data_len);
2812
2813 /* nextoffset entry 4 bytes */
2814 SIVAL(entry,0,0);
2815
2816 /* then the len of the SID 4 bytes */
2817 SIVAL(entry,4,sid_len);
2818
2819 /* unknown data 8 bytes uint64_t */
2820 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2821
2822 /* the used disk space 8 bytes uint64_t */
2823 SBIG_UINT(entry,16,qt.usedspace);
2824
2825 /* the soft quotas 8 bytes uint64_t */
2826 SBIG_UINT(entry,24,qt.softlim);
2827
2828 /* the hard quotas 8 bytes uint64_t */
2829 SBIG_UINT(entry,32,qt.hardlim);
2830
2831 /* and now the SID */
2832 sid_linearize(entry+40, sid_len, &sid);
2833
2834 break;
2835
2836 default:
2837 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2838 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2839 return;
2840 break;
2841 }
2842
2843 send_nt_replies(conn, req, nt_status, params, param_len,
2844 pdata, data_len);
2845 }
2846
2847 /****************************************************************************
2848 Reply to set user quota
2849 ****************************************************************************/
2850
2851 static void call_nt_transact_set_user_quota(connection_struct *conn,
2852 struct smb_request *req,
2853 uint16 **ppsetup,
2854 uint32 setup_count,
2855 char **ppparams,
2856 uint32 parameter_count,
2857 char **ppdata,
2858 uint32 data_count,
2859 uint32 max_data_count)
2860 {
2861 char *params = *ppparams;
2862 char *pdata = *ppdata;
2863 int data_len=0,param_len=0;
2864 SMB_NTQUOTA_STRUCT qt;
2865 size_t sid_len;
2866 struct dom_sid sid;
2867 files_struct *fsp = NULL;
2868
2869 ZERO_STRUCT(qt);
2870
2871 /* access check */
2872 if (get_current_uid(conn) != 0) {
2873 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2874 "[%s]\n", lp_servicename(SNUM(conn)),
2875 conn->session_info->unix_name));
2876 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2877 return;
2878 }
2879
2880 /*
2881 * Ensure minimum number of parameters sent.
2882 */
2883
2884 if (parameter_count < 2) {
2885 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2886 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2887 return;
2888 }
2889
2890 /* maybe we can check the quota_fnum */
2891 fsp = file_fsp(req, SVAL(params,0));
2892 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2893 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2894 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2895 return;
2896 }
2897
2898 if (data_count < 40) {
2899 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2900 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2901 return;
2902 }
2903
2904 /* offset to next quota record.
2905 * 4 bytes IVAL(pdata,0)
2906 * unused here...
2907 */
2908
2909 /* sid len */
2910 sid_len = IVAL(pdata,4);
2911
2912 if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2913 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2914 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2915 return;
2916 }
2917
2918 /* unknown 8 bytes in pdata
2919 * maybe its the change time in NTTIME
2920 */
2921
2922 /* the used space 8 bytes (uint64_t)*/
2923 qt.usedspace = BVAL(pdata,16);
2924
2925 /* the soft quotas 8 bytes (uint64_t)*/
2926 qt.softlim = BVAL(pdata,24);
2927
2928 /* the hard quotas 8 bytes (uint64_t)*/
2929 qt.hardlim = BVAL(pdata,32);
2930
2931 if (!sid_parse(pdata+40,sid_len,&sid)) {
2932 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2933 return;
2934 }
2935
2936 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2937
2938 /* 44 unknown bytes left... */
2939
2940 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2941 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2942 return;
2943 }
2944
2945 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2946 pdata, data_len);
2947 }
2948 #endif /* HAVE_SYS_QUOTAS */
2949
2950 static void handle_nttrans(connection_struct *conn,
2951 struct trans_state *state,
2952 struct smb_request *req)
2953 {
2954 if (get_Protocol() >= PROTOCOL_NT1) {
2955 req->flags2 |= 0x40; /* IS_LONG_NAME */
2956 SSVAL(req->inbuf,smb_flg2,req->flags2);
2957 }
2958
2959
2960 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2961
2962 /* Now we must call the relevant NT_TRANS function */
2963 switch(state->call) {
2964 case NT_TRANSACT_CREATE:
2965 {
2966 START_PROFILE(NT_transact_create);
2967 call_nt_transact_create(
2968 conn, req,
2969 &state->setup, state->setup_count,
2970 &state->param, state->total_param,
2971 &state->data, state->total_data,
2972 state->max_data_return);
2973 END_PROFILE(NT_transact_create);
2974 break;
2975 }
2976
2977 case NT_TRANSACT_IOCTL:
2978 {
2979 START_PROFILE(NT_transact_ioctl);
2980 call_nt_transact_ioctl(
2981 conn, req,
2982 &state->setup, state->setup_count,
2983 &state->param, state->total_param,
2984 &state->data, state->total_data,
2985 state->max_data_return);
2986 END_PROFILE(NT_transact_ioctl);
2987 break;
2988 }
2989
2990 case NT_TRANSACT_SET_SECURITY_DESC:
2991 {
2992 START_PROFILE(NT_transact_set_security_desc);
2993 call_nt_transact_set_security_desc(
2994 conn, req,
2995 &state->setup, state->setup_count,
2996 &state->param, state->total_param,
2997 &state->data, state->total_data,
2998 state->max_data_return);
2999 END_PROFILE(NT_transact_set_security_desc);
3000 break;
3001 }
3002
3003 case NT_TRANSACT_NOTIFY_CHANGE:
3004 {
3005 START_PROFILE(NT_transact_notify_change);
3006 call_nt_transact_notify_change(
3007 conn, req,
3008 &state->setup, state->setup_count,
3009 &state->param, state->total_param,
3010 &state->data, state->total_data,
3011 state->max_data_return,
3012 state->max_param_return);
3013 END_PROFILE(NT_transact_notify_change);
3014 break;
3015 }
3016
3017 case NT_TRANSACT_RENAME:
3018 {
3019 START_PROFILE(NT_transact_rename);
3020 call_nt_transact_rename(
3021 conn, req,
3022 &state->setup, state->setup_count,
3023 &state->param, state->total_param,
3024 &state->data, state->total_data,
3025 state->max_data_return);
3026 END_PROFILE(NT_transact_rename);
3027 break;
3028 }
3029
3030 case NT_TRANSACT_QUERY_SECURITY_DESC:
3031 {
3032 START_PROFILE(NT_transact_query_security_desc);
3033 call_nt_transact_query_security_desc(
3034 conn, req,
3035 &state->setup, state->setup_count,
3036 &state->param, state->total_param,
3037 &state->data, state->total_data,
3038 state->max_data_return);
3039 END_PROFILE(NT_transact_query_security_desc);
3040 break;
3041 }
3042
3043 #ifdef HAVE_SYS_QUOTAS
3044 case NT_TRANSACT_GET_USER_QUOTA:
3045 {
3046 START_PROFILE(NT_transact_get_user_quota);
3047 call_nt_transact_get_user_quota(
3048 conn, req,
3049 &state->setup, state->setup_count,
3050 &state->param, state->total_param,
3051 &state->data, state->total_data,
3052 state->max_data_return);
3053 END_PROFILE(NT_transact_get_user_quota);
3054 break;
3055 }
3056
3057 case NT_TRANSACT_SET_USER_QUOTA:
3058 {
3059 START_PROFILE(NT_transact_set_user_quota);
3060 call_nt_transact_set_user_quota(
3061 conn, req,
3062 &state->setup, state->setup_count,
3063 &state->param, state->total_param,
3064 &state->data, state->total_data,
3065 state->max_data_return);
3066 END_PROFILE(NT_transact_set_user_quota);
3067 break;
3068 }
3069 #endif /* HAVE_SYS_QUOTAS */
3070
3071 default:
3072 /* Error in request */
3073 DEBUG(0,("handle_nttrans: Unknown request %d in "
3074 "nttrans call\n", state->call));
3075 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3076 return;
3077 }
3078 return;
3079 }
3080
3081 /****************************************************************************
3082 Reply to a SMBNTtrans.
3083 ****************************************************************************/
3084
3085 void reply_nttrans(struct smb_request *req)
3086 {
3087 connection_struct *conn = req->conn;
3088 uint32_t pscnt;
3089 uint32_t psoff;
3090 uint32_t dscnt;
3091 uint32_t dsoff;
3092 uint16 function_code;
3093 NTSTATUS result;
3094 struct trans_state *state;
3095
3096 START_PROFILE(SMBnttrans);
3097
3098 if (req->wct < 19) {
3099 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3100 END_PROFILE(SMBnttrans);
3101 return;
3102 }
3103
3104 pscnt = IVAL(req->vwv+9, 1);
3105 psoff = IVAL(req->vwv+11, 1);
3106 dscnt = IVAL(req->vwv+13, 1);
3107 dsoff = IVAL(req->vwv+15, 1);
3108 function_code = SVAL(req->vwv+18, 0);
3109
3110 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3111 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3112 END_PROFILE(SMBnttrans);
3113 return;
3114 }
3115
3116 result = allow_new_trans(conn->pending_trans, req->mid);
3117 if (!NT_STATUS_IS_OK(result)) {
3118 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3119 reply_nterror(req, result);
3120 END_PROFILE(SMBnttrans);
3121 return;
3122 }
3123
3124 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
3125 reply_nterror(req, NT_STATUS_NO_MEMORY);
3126 END_PROFILE(SMBnttrans);
3127 return;
3128 }
3129
3130 state->cmd = SMBnttrans;
3131
3132 state->mid = req->mid;
3133 state->vuid = req->vuid;
3134 state->total_data = IVAL(req->vwv+3, 1);
3135 state->data = NULL;
3136 state->total_param = IVAL(req->vwv+1, 1);
3137 state->param = NULL;
3138 state->max_data_return = IVAL(req->vwv+7, 1);
3139 state->max_param_return = IVAL(req->vwv+5, 1);
3140
3141 /* setup count is in *words* */
3142 state->setup_count = 2*CVAL(req->vwv+17, 1);
3143 state->setup = NULL;
3144 state->call = function_code;
3145
3146 DEBUG(10, ("num_setup=%u, "
3147 "param_total=%u, this_param=%u, max_param=%u, "
3148 "data_total=%u, this_data=%u, max_data=%u, "
3149 "param_offset=%u, data_offset=%u\n",
3150 (unsigned)state->setup_count,
3151 (unsigned)state->total_param, (unsigned)pscnt,
3152 (unsigned)state->max_param_return,
3153 (unsigned)state->total_data, (unsigned)dscnt,
3154 (unsigned)state->max_data_return,
3155 (unsigned)psoff, (unsigned)dsoff));
3156
3157 /*
3158 * All nttrans messages we handle have smb_wct == 19 +
3159 * state->setup_count. Ensure this is so as a sanity check.
3160 */
3161
3162 if(req->wct != 19 + (state->setup_count/2)) {
3163 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3164 req->wct, 19 + (state->setup_count/2)));
3165 goto bad_param;
3166 }
3167
3168 /* Don't allow more than 128mb for each value. */
3169 if ((state->total_data > (1024*1024*128)) ||
3170 (state->total_param > (1024*1024*128))) {
3171 reply_nterror(req, NT_STATUS_NO_MEMORY);
3172 END_PROFILE(SMBnttrans);
3173 return;
3174 }
3175
3176 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3177 goto bad_param;
3178
3179 if (state->total_data) {
3180
3181 if (trans_oob(state->total_data, 0, dscnt)
3182 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3183 goto bad_param;
3184 }
3185
3186 /* Can't use talloc here, the core routines do realloc on the
3187 * params and data. */
3188 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3189 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3190 "bytes !\n", (unsigned int)state->total_data));
3191 TALLOC_FREE(state);
3192 reply_nterror(req, NT_STATUS_NO_MEMORY);
3193 END_PROFILE(SMBnttrans);
3194 return;
3195 }
3196
3197 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3198 }
3199
3200 if (state->total_param) {
3201
3202 if (trans_oob(state->total_param, 0, pscnt)
3203 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3204 goto bad_param;
3205 }
3206
3207 /* Can't use talloc here, the core routines do realloc on the
3208 * params and data. */
3209 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3210 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3211 "bytes !\n", (unsigned int)state->total_param));
3212 SAFE_FREE(state->data);
3213 TALLOC_FREE(state);
3214 reply_nterror(req, NT_STATUS_NO_MEMORY);
3215 END_PROFILE(SMBnttrans);
3216 return;
3217 }
3218
3219 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3220 }
3221
3222 state->received_data = dscnt;
3223 state->received_param = pscnt;
3224
3225 if(state->setup_count > 0) {
3226 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3227 state->setup_count));
3228
3229 /*
3230 * No overflow possible here, state->setup_count is an
3231 * unsigned int, being filled by a single byte from
3232 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3233 * below is not necessary, it's here to clarify things. The
3234 * validity of req->vwv and req->wct has been checked in
3235 * init_smb_request already.
3236 */
3237 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3238 goto bad_param;
3239 }
3240
3241 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3242 if (state->setup == NULL) {
3243 DEBUG(0,("reply_nttrans : Out of memory\n"));
3244 SAFE_FREE(state->data);
3245 SAFE_FREE(state->param);
3246 TALLOC_FREE(state);
3247 reply_nterror(req, NT_STATUS_NO_MEMORY);
3248 END_PROFILE(SMBnttrans);
3249 return;
3250 }
3251
3252 memcpy(state->setup, req->vwv+19, state->setup_count);
3253 dump_data(10, (uint8 *)state->setup, state->setup_count);
3254 }
3255
3256 if ((state->received_data == state->total_data) &&
3257 (state->received_param == state->total_param)) {
3258 handle_nttrans(conn, state, req);
3259 SAFE_FREE(state->param);
3260 SAFE_FREE(state->data);
3261 TALLOC_FREE(state);
3262 END_PROFILE(SMBnttrans);
3263 return;
3264 }
3265
3266 DLIST_ADD(conn->pending_trans, state);
3267
3268 /* We need to send an interim response then receive the rest
3269 of the parameter/data bytes */
3270 reply_outbuf(req, 0, 0);
3271 show_msg((char *)req->outbuf);
3272 END_PROFILE(SMBnttrans);
3273 return;
3274
3275 bad_param:
3276
3277 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3278 SAFE_FREE(state->data);
3279 SAFE_FREE(state->param);
3280 TALLOC_FREE(state);
3281 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3282 END_PROFILE(SMBnttrans);
3283 return;
3284 }
3285
3286 /****************************************************************************
3287 Reply to a SMBnttranss
3288 ****************************************************************************/
3289
3290 void reply_nttranss(struct smb_request *req)
3291 {
3292 connection_struct *conn = req->conn;
3293 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3294 struct trans_state *state;
3295
3296 START_PROFILE(SMBnttranss);
3297
3298 show_msg((char *)req->inbuf);
3299
3300 /* Windows clients expect all replies to
3301 an NT transact secondary (SMBnttranss 0xA1)
3302 to have a command code of NT transact
3303 (SMBnttrans 0xA0). See bug #8989 for details. */
3304 req->cmd = SMBnttrans;
3305
3306 if (req->wct < 18) {
3307 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3308 END_PROFILE(SMBnttranss);
3309 return;
3310 }
3311
3312 for (state = conn->pending_trans; state != NULL;
3313 state = state->next) {
3314 if (state->mid == req->mid) {
3315 break;
3316 }
3317 }
3318
3319 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3320 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3321 END_PROFILE(SMBnttranss);
3322 return;
3323 }
3324
3325 /* Revise state->total_param and state->total_data in case they have
3326 changed downwards */
3327 if (IVAL(req->vwv+1, 1) < state->total_param) {
3328 state->total_param = IVAL(req->vwv+1, 1);
3329 }
3330 if (IVAL(req->vwv+3, 1) < state->total_data) {
3331 state->total_data = IVAL(req->vwv+3, 1);
3332 }
3333
3334 pcnt = IVAL(req->vwv+5, 1);
3335 poff = IVAL(req->vwv+7, 1);
3336 pdisp = IVAL(req->vwv+9, 1);
3337
3338 dcnt = IVAL(req->vwv+11, 1);
3339 doff = IVAL(req->vwv+13, 1);
3340 ddisp = IVAL(req->vwv+15, 1);
3341
3342 state->received_param += pcnt;
3343 state->received_data += dcnt;
3344
3345 if ((state->received_data > state->total_data) ||
3346 (state->received_param > state->total_param))
3347 goto bad_param;
3348
3349 if (pcnt) {
3350 if (trans_oob(state->total_param, pdisp, pcnt)
3351 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3352 goto bad_param;
3353 }
3354 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3355 }
3356
3357 if (dcnt) {
3358 if (trans_oob(state->total_data, ddisp, dcnt)
3359 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3360 goto bad_param;
3361 }
3362 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3363 }
3364
3365 if ((state->received_param < state->total_param) ||
3366 (state->received_data < state->total_data)) {
3367 END_PROFILE(SMBnttranss);
3368 return;
3369 }
3370
3371 handle_nttrans(conn, state, req);
3372
3373 DLIST_REMOVE(conn->pending_trans, state);
3374 SAFE_FREE(state->data);
3375 SAFE_FREE(state->param);
3376 TALLOC_FREE(state);
3377 END_PROFILE(SMBnttranss);
3378 return;
3379
3380 bad_param:
3381
3382 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3383 DLIST_REMOVE(conn->pending_trans, state);
3384 SAFE_FREE(state->data);
3385 SAFE_FREE(state->param);
3386 TALLOC_FREE(state);
3387 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3388 END_PROFILE(SMBnttranss);
3389 return;
3390 }
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