source: branches/samba-3.5.x/source3/smbd/nttrans.c

Last change on this file was 832, checked in by Herwig Bauernfeind, 12 years ago

Samba 3.5: Update Samba core to 3.5.22
File size: 84.3 KB
RevLine 
[583]1/*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22#include "smbd/globals.h"
23
24extern const struct generic_mapping file_generic_mapping;
25
26static char *nttrans_realloc(char **ptr, size_t size)
27{
28 if (ptr==NULL) {
29 smb_panic("nttrans_realloc() called with NULL ptr");
30 }
31
32 *ptr = (char *)SMB_REALLOC(*ptr, size);
33 if(*ptr == NULL) {
34 return NULL;
35 }
36 memset(*ptr,'\0',size);
37 return *ptr;
38}
39
40/****************************************************************************
41 Send the required number of replies back.
42 We assume all fields other than the data fields are
43 set correctly for the type of call.
44 HACK ! Always assumes smb_setup field is zero.
45****************************************************************************/
46
47void send_nt_replies(connection_struct *conn,
48 struct smb_request *req, NTSTATUS nt_error,
49 char *params, int paramsize,
50 char *pdata, int datasize)
51{
52 int data_to_send = datasize;
53 int params_to_send = paramsize;
54 int useable_space;
55 char *pp = params;
56 char *pd = pdata;
57 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
58 int alignment_offset = 3;
59 int data_alignment_offset = 0;
60 struct smbd_server_connection *sconn = smbd_server_conn;
61 int max_send = sconn->smb1.sessions.max_send;
62
63 /*
64 * If there genuinely are no parameters or data to send just send
65 * the empty packet.
66 */
67
68 if(params_to_send == 0 && data_to_send == 0) {
69 reply_outbuf(req, 18, 0);
70 if (NT_STATUS_V(nt_error)) {
71 error_packet_set((char *)req->outbuf,
72 0, 0, nt_error,
73 __LINE__,__FILE__);
74 }
75 show_msg((char *)req->outbuf);
76 if (!srv_send_smb(smbd_server_fd(),
77 (char *)req->outbuf,
78 true, req->seqnum+1,
79 IS_CONN_ENCRYPTED(conn),
80 &req->pcd)) {
81 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
82 }
83 TALLOC_FREE(req->outbuf);
84 return;
85 }
86
87 /*
88 * When sending params and data ensure that both are nicely aligned.
89 * Only do this alignment when there is also data to send - else
90 * can cause NT redirector problems.
91 */
92
93 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
94 data_alignment_offset = 4 - (params_to_send % 4);
95 }
96
97 /*
98 * Space is bufsize minus Netbios over TCP header minus SMB header.
99 * The alignment_offset is to align the param bytes on a four byte
100 * boundary (2 bytes for data len, one byte pad).
101 * NT needs this to work correctly.
102 */
103
104 useable_space = max_send - (smb_size
105 + 2 * 18 /* wct */
106 + alignment_offset
107 + data_alignment_offset);
108
109 if (useable_space < 0) {
110 char *msg = talloc_asprintf(
111 talloc_tos(),
112 "send_nt_replies failed sanity useable_space = %d!!!",
113 useable_space);
114 DEBUG(0, ("%s\n", msg));
115 exit_server_cleanly(msg);
116 }
117
118 while (params_to_send || data_to_send) {
119
120 /*
121 * Calculate whether we will totally or partially fill this packet.
122 */
123
124 total_sent_thistime = params_to_send + data_to_send;
125
126 /*
127 * We can never send more than useable_space.
128 */
129
130 total_sent_thistime = MIN(total_sent_thistime, useable_space);
131
132 reply_outbuf(req, 18,
133 total_sent_thistime + alignment_offset
134 + data_alignment_offset);
135
136 /*
137 * Set total params and data to be sent.
138 */
139
140 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
141 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
142
143 /*
144 * Calculate how many parameters and data we can fit into
145 * this packet. Parameters get precedence.
146 */
147
148 params_sent_thistime = MIN(params_to_send,useable_space);
149 data_sent_thistime = useable_space - params_sent_thistime;
150 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
151
152 SIVAL(req->outbuf, smb_ntr_ParameterCount,
153 params_sent_thistime);
154
155 if(params_sent_thistime == 0) {
156 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
157 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
158 } else {
159 /*
160 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
161 * parameter bytes, however the first 4 bytes of outbuf are
162 * the Netbios over TCP header. Thus use smb_base() to subtract
163 * them from the calculation.
164 */
165
166 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
167 ((smb_buf(req->outbuf)+alignment_offset)
168 - smb_base(req->outbuf)));
169 /*
170 * Absolute displacement of param bytes sent in this packet.
171 */
172
173 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
174 pp - params);
175 }
176
177 /*
178 * Deal with the data portion.
179 */
180
181 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
182
183 if(data_sent_thistime == 0) {
184 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
185 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
186 } else {
187 /*
188 * The offset of the data bytes is the offset of the
189 * parameter bytes plus the number of parameters being sent this time.
190 */
191
192 SIVAL(req->outbuf, smb_ntr_DataOffset,
193 ((smb_buf(req->outbuf)+alignment_offset) -
194 smb_base(req->outbuf))
195 + params_sent_thistime + data_alignment_offset);
196 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
197 }
198
199 /*
200 * Copy the param bytes into the packet.
201 */
202
203 if(params_sent_thistime) {
204 if (alignment_offset != 0) {
205 memset(smb_buf(req->outbuf), 0,
206 alignment_offset);
207 }
208 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
209 params_sent_thistime);
210 }
211
212 /*
213 * Copy in the data bytes
214 */
215
216 if(data_sent_thistime) {
217 if (data_alignment_offset != 0) {
218 memset((smb_buf(req->outbuf)+alignment_offset+
219 params_sent_thistime), 0,
220 data_alignment_offset);
221 }
222 memcpy(smb_buf(req->outbuf)+alignment_offset
223 +params_sent_thistime+data_alignment_offset,
224 pd,data_sent_thistime);
225 }
226
227 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
228 params_sent_thistime, data_sent_thistime, useable_space));
229 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
230 params_to_send, data_to_send, paramsize, datasize));
231
232 if (NT_STATUS_V(nt_error)) {
233 error_packet_set((char *)req->outbuf,
234 0, 0, nt_error,
235 __LINE__,__FILE__);
236 }
237
238 /* Send the packet */
239 show_msg((char *)req->outbuf);
240 if (!srv_send_smb(smbd_server_fd(),
241 (char *)req->outbuf,
242 true, req->seqnum+1,
243 IS_CONN_ENCRYPTED(conn),
244 &req->pcd)) {
245 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
246 }
247
248 TALLOC_FREE(req->outbuf);
249
250 pp += params_sent_thistime;
251 pd += data_sent_thistime;
252
253 params_to_send -= params_sent_thistime;
254 data_to_send -= data_sent_thistime;
255
256 /*
257 * Sanity check
258 */
259
260 if(params_to_send < 0 || data_to_send < 0) {
261 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
262 params_to_send, data_to_send));
263 exit_server_cleanly("send_nt_replies: internal error");
264 }
265 }
266}
267
268/****************************************************************************
269 Reply to an NT create and X call on a pipe
270****************************************************************************/
271
272static void nt_open_pipe(char *fname, connection_struct *conn,
273 struct smb_request *req, int *ppnum)
274{
275 files_struct *fsp;
276 NTSTATUS status;
277
278 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
279
280 /* Strip \\ off the name. */
281 fname++;
282
283 status = open_np_file(req, fname, &fsp);
284 if (!NT_STATUS_IS_OK(status)) {
285 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
286 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
287 ERRDOS, ERRbadpipe);
288 return;
289 }
290 reply_nterror(req, status);
291 return;
292 }
293
294 *ppnum = fsp->fnum;
295 return;
296}
297
298/****************************************************************************
299 Reply to an NT create and X call for pipes.
300****************************************************************************/
301
302static void do_ntcreate_pipe_open(connection_struct *conn,
303 struct smb_request *req)
304{
305 char *fname = NULL;
306 int pnum = -1;
307 char *p = NULL;
308 uint32 flags = IVAL(req->vwv+3, 1);
309 TALLOC_CTX *ctx = talloc_tos();
310
311 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
312
313 if (!fname) {
314 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
315 ERRDOS, ERRbadpipe);
316 return;
317 }
318 nt_open_pipe(fname, conn, req, &pnum);
319
320 if (req->outbuf) {
321 /* error reply */
322 return;
323 }
324
325 /*
326 * Deal with pipe return.
327 */
328
329 if (flags & EXTENDED_RESPONSE_REQUIRED) {
330 /* This is very strange. We
331 * return 50 words, but only set
332 * the wcnt to 42 ? It's definately
333 * what happens on the wire....
334 */
335 reply_outbuf(req, 50, 0);
336 SCVAL(req->outbuf,smb_wct,42);
337 } else {
338 reply_outbuf(req, 34, 0);
339 }
340
341 p = (char *)req->outbuf + smb_vwv2;
342 p++;
343 SSVAL(p,0,pnum);
344 p += 2;
345 SIVAL(p,0,FILE_WAS_OPENED);
346 p += 4;
347 p += 32;
348 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
349 p += 20;
350 /* File type. */
351 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
352 /* Device state. */
353 SSVAL(p,2, 0x5FF); /* ? */
354 p += 4;
355
356 if (flags & EXTENDED_RESPONSE_REQUIRED) {
357 p += 25;
358 SIVAL(p,0,FILE_GENERIC_ALL);
359 /*
360 * For pipes W2K3 seems to return
361 * 0x12019B next.
362 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
363 */
364 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
365 }
366
367 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
368
369 chain_reply(req);
370}
371
372struct case_semantics_state {
373 connection_struct *conn;
374 bool case_sensitive;
375 bool case_preserve;
376 bool short_case_preserve;
377};
378
379/****************************************************************************
380 Restore case semantics.
381****************************************************************************/
382
383static int restore_case_semantics(struct case_semantics_state *state)
384{
385 state->conn->case_sensitive = state->case_sensitive;
386 state->conn->case_preserve = state->case_preserve;
387 state->conn->short_case_preserve = state->short_case_preserve;
388 return 0;
389}
390
391/****************************************************************************
392 Save case semantics.
393****************************************************************************/
394
395static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
396 connection_struct *conn)
397{
398 struct case_semantics_state *result;
399
400 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
401 return NULL;
402 }
403
404 result->conn = conn;
405 result->case_sensitive = conn->case_sensitive;
406 result->case_preserve = conn->case_preserve;
407 result->short_case_preserve = conn->short_case_preserve;
408
409 /* Set to POSIX. */
410 conn->case_sensitive = True;
411 conn->case_preserve = True;
412 conn->short_case_preserve = True;
413
414 talloc_set_destructor(result, restore_case_semantics);
415
416 return result;
417}
418
419/****************************************************************************
420 Reply to an NT create and X call.
421****************************************************************************/
422
423void reply_ntcreate_and_X(struct smb_request *req)
424{
425 connection_struct *conn = req->conn;
426 struct smb_filename *smb_fname = NULL;
427 char *fname = NULL;
428 uint32 flags;
429 uint32 access_mask;
430 uint32 file_attributes;
431 uint32 share_access;
432 uint32 create_disposition;
433 uint32 create_options;
434 uint16 root_dir_fid;
435 uint64_t allocation_size;
436 /* Breakout the oplock request bits so we can set the
437 reply bits separately. */
438 uint32 fattr=0;
439 SMB_OFF_T file_len = 0;
440 int info = 0;
441 files_struct *fsp = NULL;
442 char *p = NULL;
443 struct timespec create_timespec;
444 struct timespec c_timespec;
445 struct timespec a_timespec;
446 struct timespec m_timespec;
447 struct timespec write_time_ts;
448 NTSTATUS status;
449 int oplock_request;
450 uint8_t oplock_granted = NO_OPLOCK_RETURN;
451 struct case_semantics_state *case_state = NULL;
452 TALLOC_CTX *ctx = talloc_tos();
453
454 START_PROFILE(SMBntcreateX);
455
456 if (req->wct < 24) {
457 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
458 goto out;
459 }
460
461 flags = IVAL(req->vwv+3, 1);
462 access_mask = IVAL(req->vwv+7, 1);
463 file_attributes = IVAL(req->vwv+13, 1);
464 share_access = IVAL(req->vwv+15, 1);
465 create_disposition = IVAL(req->vwv+17, 1);
466 create_options = IVAL(req->vwv+19, 1);
467 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
468
469 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
470#ifdef LARGE_SMB_OFF_T
471 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
472#endif
473
474 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
475 STR_TERMINATE, &status);
476
477 if (!NT_STATUS_IS_OK(status)) {
478 reply_nterror(req, status);
479 goto out;
480 }
481
482 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
483 "file_attributes = 0x%x, share_access = 0x%x, "
484 "create_disposition = 0x%x create_options = 0x%x "
485 "root_dir_fid = 0x%x, fname = %s\n",
486 (unsigned int)flags,
487 (unsigned int)access_mask,
488 (unsigned int)file_attributes,
489 (unsigned int)share_access,
490 (unsigned int)create_disposition,
491 (unsigned int)create_options,
492 (unsigned int)root_dir_fid,
493 fname));
494
495 /*
496 * we need to remove ignored bits when they come directly from the client
497 * because we reuse some of them for internal stuff
498 */
499 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
500
501 /*
502 * If it's an IPC, use the pipe handler.
503 */
504
505 if (IS_IPC(conn)) {
506 if (lp_nt_pipe_support()) {
507 do_ntcreate_pipe_open(conn, req);
508 goto out;
509 }
510 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
511 goto out;
512 }
513
514 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
515 if (oplock_request) {
516 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
517 ? BATCH_OPLOCK : 0;
518 }
519
520 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
521 case_state = set_posix_case_semantics(ctx, conn);
522 if (!case_state) {
523 reply_nterror(req, NT_STATUS_NO_MEMORY);
524 goto out;
525 }
526 }
527
528 status = filename_convert(ctx,
529 conn,
530 req->flags2 & FLAGS2_DFS_PATHNAMES,
531 fname,
532 0,
533 NULL,
534 &smb_fname);
535
536 TALLOC_FREE(case_state);
537
538 if (!NT_STATUS_IS_OK(status)) {
539 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
540 reply_botherror(req,
541 NT_STATUS_PATH_NOT_COVERED,
542 ERRSRV, ERRbadpath);
543 goto out;
544 }
545 reply_nterror(req, status);
546 goto out;
547 }
548
549 /*
550 * Bug #6898 - clients using Windows opens should
551 * never be able to set this attribute into the
552 * VFS.
553 */
554 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
555
556 status = SMB_VFS_CREATE_FILE(
557 conn, /* conn */
558 req, /* req */
559 root_dir_fid, /* root_dir_fid */
560 smb_fname, /* fname */
561 access_mask, /* access_mask */
562 share_access, /* share_access */
563 create_disposition, /* create_disposition*/
564 create_options, /* create_options */
565 file_attributes, /* file_attributes */
566 oplock_request, /* oplock_request */
567 allocation_size, /* allocation_size */
568 NULL, /* sd */
569 NULL, /* ea_list */
570 &fsp, /* result */
571 &info); /* pinfo */
572
573 if (!NT_STATUS_IS_OK(status)) {
574 if (open_was_deferred(req->mid)) {
575 /* We have re-scheduled this call, no error. */
576 goto out;
577 }
578 reply_openerror(req, status);
579 goto out;
580 }
581
582 /* Ensure we're pointing at the correct stat struct. */
583 TALLOC_FREE(smb_fname);
584 smb_fname = fsp->fsp_name;
585
586 /*
587 * If the caller set the extended oplock request bit
588 * and we granted one (by whatever means) - set the
589 * correct bit for extended oplock reply.
590 */
591
592 if (oplock_request &&
593 (lp_fake_oplocks(SNUM(conn))
594 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
595
596 /*
597 * Exclusive oplock granted
598 */
599
600 if (flags & REQUEST_BATCH_OPLOCK) {
601 oplock_granted = BATCH_OPLOCK_RETURN;
602 } else {
603 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
604 }
605 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
606 oplock_granted = LEVEL_II_OPLOCK_RETURN;
607 } else {
608 oplock_granted = NO_OPLOCK_RETURN;
609 }
610
611 file_len = smb_fname->st.st_ex_size;
612
613 if (flags & EXTENDED_RESPONSE_REQUIRED) {
614 /* This is very strange. We
615 * return 50 words, but only set
616 * the wcnt to 42 ? It's definately
617 * what happens on the wire....
618 */
619 reply_outbuf(req, 50, 0);
620 SCVAL(req->outbuf,smb_wct,42);
621 } else {
622 reply_outbuf(req, 34, 0);
623 }
624
625 p = (char *)req->outbuf + smb_vwv2;
626
627 SCVAL(p, 0, oplock_granted);
628
629 p++;
630 SSVAL(p,0,fsp->fnum);
631 p += 2;
632 if ((create_disposition == FILE_SUPERSEDE)
633 && (info == FILE_WAS_OVERWRITTEN)) {
634 SIVAL(p,0,FILE_WAS_SUPERSEDED);
635 } else {
636 SIVAL(p,0,info);
637 }
638 p += 4;
639
640 fattr = dos_mode(conn, smb_fname);
641 if (fattr == 0) {
642 fattr = FILE_ATTRIBUTE_NORMAL;
643 }
644
645 /* Deal with other possible opens having a modified
646 write time. JRA. */
647 ZERO_STRUCT(write_time_ts);
648 get_file_infos(fsp->file_id, NULL, &write_time_ts);
649 if (!null_timespec(write_time_ts)) {
650 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
651 }
652
653 /* Create time. */
654 create_timespec = get_create_timespec(conn, fsp, smb_fname);
655 a_timespec = smb_fname->st.st_ex_atime;
656 m_timespec = smb_fname->st.st_ex_mtime;
657 c_timespec = get_change_timespec(conn, fsp, smb_fname);
658
659 if (lp_dos_filetime_resolution(SNUM(conn))) {
660 dos_filetime_timespec(&create_timespec);
661 dos_filetime_timespec(&a_timespec);
662 dos_filetime_timespec(&m_timespec);
663 dos_filetime_timespec(&c_timespec);
664 }
665
666 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
667 p += 8;
668 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
669 p += 8;
670 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
671 p += 8;
672 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
673 p += 8;
674 SIVAL(p,0,fattr); /* File Attributes. */
675 p += 4;
676 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
677 p += 8;
678 SOFF_T(p,0,file_len);
679 p += 8;
680 if (flags & EXTENDED_RESPONSE_REQUIRED) {
681 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
682 size_t num_names = 0;
683 unsigned int num_streams;
684 struct stream_struct *streams = NULL;
685
686 /* Do we have any EA's ? */
687 status = get_ea_names_from_file(ctx, conn, fsp,
688 smb_fname->base_name, NULL, &num_names);
689 if (NT_STATUS_IS_OK(status) && num_names) {
690 file_status &= ~NO_EAS;
691 }
692 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
693 &num_streams, &streams);
694 /* There is always one stream, ::$DATA. */
695 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
696 file_status &= ~NO_SUBSTREAMS;
697 }
698 TALLOC_FREE(streams);
699 SSVAL(p,2,file_status);
700 }
701 p += 4;
702 SCVAL(p,0,fsp->is_directory ? 1 : 0);
703
704 if (flags & EXTENDED_RESPONSE_REQUIRED) {
705 uint32 perms = 0;
706 p += 25;
707 if (fsp->is_directory ||
708 can_write_to_file(conn, smb_fname)) {
709 perms = FILE_GENERIC_ALL;
710 } else {
711 perms = FILE_GENERIC_READ|FILE_EXECUTE;
712 }
713 SIVAL(p,0,perms);
714 }
715
716 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
717 fsp->fnum, smb_fname_str_dbg(smb_fname)));
718
719 chain_reply(req);
720 out:
721 END_PROFILE(SMBntcreateX);
722 return;
723}
724
725/****************************************************************************
726 Reply to a NT_TRANSACT_CREATE call to open a pipe.
727****************************************************************************/
728
729static void do_nt_transact_create_pipe(connection_struct *conn,
730 struct smb_request *req,
731 uint16 **ppsetup, uint32 setup_count,
732 char **ppparams, uint32 parameter_count,
733 char **ppdata, uint32 data_count)
734{
735 char *fname = NULL;
736 char *params = *ppparams;
737 int pnum = -1;
738 char *p = NULL;
739 NTSTATUS status;
740 size_t param_len;
741 uint32 flags;
742 TALLOC_CTX *ctx = talloc_tos();
743
744 /*
745 * Ensure minimum number of parameters sent.
746 */
747
748 if(parameter_count < 54) {
749 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
750 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
751 return;
752 }
753
754 flags = IVAL(params,0);
755
756 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
757 parameter_count-53, STR_TERMINATE,
758 &status);
759 if (!NT_STATUS_IS_OK(status)) {
760 reply_nterror(req, status);
761 return;
762 }
763
764 nt_open_pipe(fname, conn, req, &pnum);
765
766 if (req->outbuf) {
767 /* Error return */
768 return;
769 }
770
771 /* Realloc the size of parameters and data we will return */
772 if (flags & EXTENDED_RESPONSE_REQUIRED) {
773 /* Extended response is 32 more byyes. */
774 param_len = 101;
775 } else {
776 param_len = 69;
777 }
778 params = nttrans_realloc(ppparams, param_len);
779 if(params == NULL) {
780 reply_nterror(req, NT_STATUS_NO_MEMORY);
781 return;
782 }
783
784 p = params;
785 SCVAL(p,0,NO_OPLOCK_RETURN);
786
787 p += 2;
788 SSVAL(p,0,pnum);
789 p += 2;
790 SIVAL(p,0,FILE_WAS_OPENED);
791 p += 8;
792
793 p += 32;
794 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
795 p += 20;
796 /* File type. */
797 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
798 /* Device state. */
799 SSVAL(p,2, 0x5FF); /* ? */
800 p += 4;
801
802 if (flags & EXTENDED_RESPONSE_REQUIRED) {
803 p += 25;
804 SIVAL(p,0,FILE_GENERIC_ALL);
805 /*
806 * For pipes W2K3 seems to return
807 * 0x12019B next.
808 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
809 */
810 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
811 }
812
813 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
814
815 /* Send the required number of replies */
816 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
817
818 return;
819}
820
821/****************************************************************************
822 Internal fn to set security descriptors.
823****************************************************************************/
824
825static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
826 uint32 security_info_sent)
827{
828 SEC_DESC *psd = NULL;
829 NTSTATUS status;
830
[596]831 if (sd_len == 0) {
832 return NT_STATUS_INVALID_PARAMETER;
833 }
834
835 if (!CAN_WRITE(fsp->conn)) {
836 return NT_STATUS_ACCESS_DENIED;
837 }
838
839 if (!lp_nt_acl_support(SNUM(fsp->conn))) {
[583]840 return NT_STATUS_OK;
841 }
842
843 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
844
845 if (!NT_STATUS_IS_OK(status)) {
846 return status;
847 }
848
849 if (psd->owner_sid == NULL) {
850 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
851 }
852 if (psd->group_sid == NULL) {
853 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
854 }
855
[596]856 /* Ensure we have at least one thing set. */
857 if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
[732]858 if (security_info_sent & SECINFO_LABEL) {
859 /* Only consider SECINFO_LABEL if no other
860 bits are set. Just like W2K3 we don't
861 store this. */
862 return NT_STATUS_OK;
863 }
[596]864 return NT_STATUS_INVALID_PARAMETER;
865 }
[583]866
[596]867 /* Ensure we have the rights to do this. */
868 if (security_info_sent & SECINFO_OWNER) {
869 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
870 return NT_STATUS_ACCESS_DENIED;
871 }
872 }
873
874 if (security_info_sent & SECINFO_GROUP) {
875 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
876 return NT_STATUS_ACCESS_DENIED;
877 }
878 }
879
880 if (security_info_sent & SECINFO_DACL) {
881 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
882 return NT_STATUS_ACCESS_DENIED;
883 }
884 /* Convert all the generic bits. */
885 if (psd->dacl) {
886 security_acl_map_generic(psd->dacl, &file_generic_mapping);
887 }
888 }
889
890 if (security_info_sent & SECINFO_SACL) {
891 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
892 return NT_STATUS_ACCESS_DENIED;
893 }
894 /* Convert all the generic bits. */
895 if (psd->sacl) {
896 security_acl_map_generic(psd->sacl, &file_generic_mapping);
897 }
898 }
899
[583]900 if (DEBUGLEVEL >= 10) {
901 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
902 NDR_PRINT_DEBUG(security_descriptor, psd);
903 }
904
905 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
906
907 TALLOC_FREE(psd);
908
909 return status;
910}
911
912/****************************************************************************
913 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
914****************************************************************************/
915
916struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
917{
918 struct ea_list *ea_list_head = NULL;
919 size_t offset = 0;
920
921 if (data_size < 4) {
922 return NULL;
923 }
924
925 while (offset + 4 <= data_size) {
926 size_t next_offset = IVAL(pdata,offset);
927 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
928
929 if (!eal) {
930 return NULL;
931 }
932
933 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
934 if (next_offset == 0) {
935 break;
936 }
[832]937
938 /* Integer wrap protection for the increment. */
939 if (offset + next_offset < offset) {
940 break;
941 }
942
[583]943 offset += next_offset;
[832]944
945 /* Integer wrap protection for while loop. */
946 if (offset + 4 < offset) {
947 break;
948 }
949
[583]950 }
951
952 return ea_list_head;
953}
954
955/****************************************************************************
956 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
957****************************************************************************/
958
959static void call_nt_transact_create(connection_struct *conn,
960 struct smb_request *req,
961 uint16 **ppsetup, uint32 setup_count,
962 char **ppparams, uint32 parameter_count,
963 char **ppdata, uint32 data_count,
964 uint32 max_data_count)
965{
966 struct smb_filename *smb_fname = NULL;
967 char *fname = NULL;
968 char *params = *ppparams;
969 char *data = *ppdata;
970 /* Breakout the oplock request bits so we can set the reply bits separately. */
971 uint32 fattr=0;
972 SMB_OFF_T file_len = 0;
973 int info = 0;
974 files_struct *fsp = NULL;
975 char *p = NULL;
976 uint32 flags;
977 uint32 access_mask;
978 uint32 file_attributes;
979 uint32 share_access;
980 uint32 create_disposition;
981 uint32 create_options;
982 uint32 sd_len;
983 struct security_descriptor *sd = NULL;
984 uint32 ea_len;
985 uint16 root_dir_fid;
986 struct timespec create_timespec;
987 struct timespec c_timespec;
988 struct timespec a_timespec;
989 struct timespec m_timespec;
990 struct timespec write_time_ts;
991 struct ea_list *ea_list = NULL;
992 NTSTATUS status;
993 size_t param_len;
994 uint64_t allocation_size;
995 int oplock_request;
996 uint8_t oplock_granted;
997 struct case_semantics_state *case_state = NULL;
998 TALLOC_CTX *ctx = talloc_tos();
999
1000 DEBUG(5,("call_nt_transact_create\n"));
1001
1002 /*
1003 * If it's an IPC, use the pipe handler.
1004 */
1005
1006 if (IS_IPC(conn)) {
1007 if (lp_nt_pipe_support()) {
1008 do_nt_transact_create_pipe(
1009 conn, req,
1010 ppsetup, setup_count,
1011 ppparams, parameter_count,
1012 ppdata, data_count);
1013 goto out;
1014 }
1015 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1016 goto out;
1017 }
1018
1019 /*
1020 * Ensure minimum number of parameters sent.
1021 */
1022
1023 if(parameter_count < 54) {
1024 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1025 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1026 goto out;
1027 }
1028
1029 flags = IVAL(params,0);
1030 access_mask = IVAL(params,8);
1031 file_attributes = IVAL(params,20);
1032 share_access = IVAL(params,24);
1033 create_disposition = IVAL(params,28);
1034 create_options = IVAL(params,32);
1035 sd_len = IVAL(params,36);
1036 ea_len = IVAL(params,40);
1037 root_dir_fid = (uint16)IVAL(params,4);
1038 allocation_size = (uint64_t)IVAL(params,12);
1039#ifdef LARGE_SMB_OFF_T
1040 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
1041#endif
1042
1043 /*
1044 * we need to remove ignored bits when they come directly from the client
1045 * because we reuse some of them for internal stuff
1046 */
1047 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1048
1049 /* Ensure the data_len is correct for the sd and ea values given. */
1050 if ((ea_len + sd_len > data_count)
1051 || (ea_len > data_count) || (sd_len > data_count)
1052 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1053 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1054 "%u, data_count = %u\n", (unsigned int)ea_len,
1055 (unsigned int)sd_len, (unsigned int)data_count));
1056 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1057 goto out;
1058 }
1059
1060 if (sd_len) {
1061 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1062 sd_len));
1063
1064 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1065 &sd);
1066 if (!NT_STATUS_IS_OK(status)) {
1067 DEBUG(10, ("call_nt_transact_create: "
1068 "unmarshall_sec_desc failed: %s\n",
1069 nt_errstr(status)));
1070 reply_nterror(req, status);
1071 goto out;
1072 }
1073 }
1074
1075 if (ea_len) {
1076 if (!lp_ea_support(SNUM(conn))) {
1077 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1078 "EA's not supported.\n",
1079 (unsigned int)ea_len));
1080 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1081 goto out;
1082 }
1083
1084 if (ea_len < 10) {
1085 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1086 "too small (should be more than 10)\n",
1087 (unsigned int)ea_len ));
1088 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1089 goto out;
1090 }
1091
1092 /* We have already checked that ea_len <= data_count here. */
1093 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1094 ea_len);
1095 if (ea_list == NULL) {
1096 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1097 goto out;
1098 }
1099 }
1100
1101 srvstr_get_path(ctx, params, req->flags2, &fname,
1102 params+53, parameter_count-53,
1103 STR_TERMINATE, &status);
1104 if (!NT_STATUS_IS_OK(status)) {
1105 reply_nterror(req, status);
1106 goto out;
1107 }
1108
1109 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1110 case_state = set_posix_case_semantics(ctx, conn);
1111 if (!case_state) {
1112 reply_nterror(req, NT_STATUS_NO_MEMORY);
1113 goto out;
1114 }
1115 }
1116
1117 status = filename_convert(ctx,
1118 conn,
1119 req->flags2 & FLAGS2_DFS_PATHNAMES,
1120 fname,
1121 0,
1122 NULL,
1123 &smb_fname);
1124
1125 TALLOC_FREE(case_state);
1126
1127 if (!NT_STATUS_IS_OK(status)) {
1128 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1129 reply_botherror(req,
1130 NT_STATUS_PATH_NOT_COVERED,
1131 ERRSRV, ERRbadpath);
1132 goto out;
1133 }
1134 reply_nterror(req, status);
1135 goto out;
1136 }
1137
1138 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1139 if (oplock_request) {
1140 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1141 ? BATCH_OPLOCK : 0;
1142 }
1143
1144 /*
1145 * Bug #6898 - clients using Windows opens should
1146 * never be able to set this attribute into the
1147 * VFS.
1148 */
1149 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1150
1151 status = SMB_VFS_CREATE_FILE(
1152 conn, /* conn */
1153 req, /* req */
1154 root_dir_fid, /* root_dir_fid */
1155 smb_fname, /* fname */
1156 access_mask, /* access_mask */
1157 share_access, /* share_access */
1158 create_disposition, /* create_disposition*/
1159 create_options, /* create_options */
1160 file_attributes, /* file_attributes */
1161 oplock_request, /* oplock_request */
1162 allocation_size, /* allocation_size */
1163 sd, /* sd */
1164 ea_list, /* ea_list */
1165 &fsp, /* result */
1166 &info); /* pinfo */
1167
1168 if(!NT_STATUS_IS_OK(status)) {
1169 if (open_was_deferred(req->mid)) {
1170 /* We have re-scheduled this call, no error. */
1171 return;
1172 }
1173 reply_openerror(req, status);
1174 goto out;
1175 }
1176
1177 /* Ensure we're pointing at the correct stat struct. */
1178 TALLOC_FREE(smb_fname);
1179 smb_fname = fsp->fsp_name;
1180
1181 /*
1182 * If the caller set the extended oplock request bit
1183 * and we granted one (by whatever means) - set the
1184 * correct bit for extended oplock reply.
1185 */
1186
1187 if (oplock_request &&
1188 (lp_fake_oplocks(SNUM(conn))
1189 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1190
1191 /*
1192 * Exclusive oplock granted
1193 */
1194
1195 if (flags & REQUEST_BATCH_OPLOCK) {
1196 oplock_granted = BATCH_OPLOCK_RETURN;
1197 } else {
1198 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1199 }
1200 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1201 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1202 } else {
1203 oplock_granted = NO_OPLOCK_RETURN;
1204 }
1205
1206 file_len = smb_fname->st.st_ex_size;
1207
1208 /* Realloc the size of parameters and data we will return */
1209 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1210 /* Extended response is 32 more byyes. */
1211 param_len = 101;
1212 } else {
1213 param_len = 69;
1214 }
1215 params = nttrans_realloc(ppparams, param_len);
1216 if(params == NULL) {
1217 reply_nterror(req, NT_STATUS_NO_MEMORY);
1218 goto out;
1219 }
1220
1221 p = params;
1222 SCVAL(p, 0, oplock_granted);
1223
1224 p += 2;
1225 SSVAL(p,0,fsp->fnum);
1226 p += 2;
1227 if ((create_disposition == FILE_SUPERSEDE)
1228 && (info == FILE_WAS_OVERWRITTEN)) {
1229 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1230 } else {
1231 SIVAL(p,0,info);
1232 }
1233 p += 8;
1234
1235 fattr = dos_mode(conn, smb_fname);
1236 if (fattr == 0) {
1237 fattr = FILE_ATTRIBUTE_NORMAL;
1238 }
1239
1240 /* Deal with other possible opens having a modified
1241 write time. JRA. */
1242 ZERO_STRUCT(write_time_ts);
1243 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1244 if (!null_timespec(write_time_ts)) {
1245 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1246 }
1247
1248 /* Create time. */
1249 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1250 a_timespec = smb_fname->st.st_ex_atime;
1251 m_timespec = smb_fname->st.st_ex_mtime;
1252 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1253
1254 if (lp_dos_filetime_resolution(SNUM(conn))) {
1255 dos_filetime_timespec(&create_timespec);
1256 dos_filetime_timespec(&a_timespec);
1257 dos_filetime_timespec(&m_timespec);
1258 dos_filetime_timespec(&c_timespec);
1259 }
1260
1261 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1262 p += 8;
1263 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1264 p += 8;
1265 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1266 p += 8;
1267 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1268 p += 8;
1269 SIVAL(p,0,fattr); /* File Attributes. */
1270 p += 4;
1271 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1272 p += 8;
1273 SOFF_T(p,0,file_len);
1274 p += 8;
1275 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1276 SSVAL(p,2,0x7);
1277 }
1278 p += 4;
1279 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1280
1281 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1282 uint32 perms = 0;
1283 p += 25;
1284 if (fsp->is_directory ||
1285 can_write_to_file(conn, smb_fname)) {
1286 perms = FILE_GENERIC_ALL;
1287 } else {
1288 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1289 }
1290 SIVAL(p,0,perms);
1291 }
1292
1293 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1294 smb_fname_str_dbg(smb_fname)));
1295
1296 /* Send the required number of replies */
1297 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1298 out:
1299 return;
1300}
1301
1302/****************************************************************************
1303 Reply to a NT CANCEL request.
1304 conn POINTER CAN BE NULL HERE !
1305****************************************************************************/
1306
1307void reply_ntcancel(struct smb_request *req)
1308{
1309 /*
1310 * Go through and cancel any pending change notifies.
1311 */
1312
1313 START_PROFILE(SMBntcancel);
1314 srv_cancel_sign_response(smbd_server_conn);
1315 remove_pending_change_notify_requests_by_mid(req->mid);
1316 remove_pending_lock_requests_by_mid(req->mid);
1317
1318 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1319
1320 END_PROFILE(SMBntcancel);
1321 return;
1322}
1323
1324/****************************************************************************
1325 Copy a file.
1326****************************************************************************/
1327
1328static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1329 connection_struct *conn,
1330 struct smb_request *req,
1331 struct smb_filename *smb_fname_src,
1332 struct smb_filename *smb_fname_dst,
1333 uint32 attrs)
1334{
1335 files_struct *fsp1,*fsp2;
1336 uint32 fattr;
1337 int info;
1338 SMB_OFF_T ret=-1;
1339 NTSTATUS status = NT_STATUS_OK;
1340 char *parent;
1341
1342 if (!CAN_WRITE(conn)) {
1343 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1344 goto out;
1345 }
1346
1347 /* Source must already exist. */
1348 if (!VALID_STAT(smb_fname_src->st)) {
1349 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1350 goto out;
1351 }
1352
1353 /* Ensure attributes match. */
1354 fattr = dos_mode(conn, smb_fname_src);
1355 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1356 status = NT_STATUS_NO_SUCH_FILE;
1357 goto out;
1358 }
1359
1360 /* Disallow if dst file already exists. */
1361 if (VALID_STAT(smb_fname_dst->st)) {
1362 status = NT_STATUS_OBJECT_NAME_COLLISION;
1363 goto out;
1364 }
1365
1366 /* No links from a directory. */
1367 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1368 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1369 goto out;
1370 }
1371
1372 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1373 smb_fname_str_dbg(smb_fname_src),
1374 smb_fname_str_dbg(smb_fname_dst)));
1375
1376 status = SMB_VFS_CREATE_FILE(
1377 conn, /* conn */
1378 req, /* req */
1379 0, /* root_dir_fid */
1380 smb_fname_src, /* fname */
1381 FILE_READ_DATA, /* access_mask */
1382 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1383 FILE_SHARE_DELETE),
1384 FILE_OPEN, /* create_disposition*/
1385 0, /* create_options */
1386 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1387 NO_OPLOCK, /* oplock_request */
1388 0, /* allocation_size */
1389 NULL, /* sd */
1390 NULL, /* ea_list */
1391 &fsp1, /* result */
1392 &info); /* pinfo */
1393
1394 if (!NT_STATUS_IS_OK(status)) {
1395 goto out;
1396 }
1397
1398 status = SMB_VFS_CREATE_FILE(
1399 conn, /* conn */
1400 req, /* req */
1401 0, /* root_dir_fid */
1402 smb_fname_dst, /* fname */
1403 FILE_WRITE_DATA, /* access_mask */
1404 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1405 FILE_SHARE_DELETE),
1406 FILE_CREATE, /* create_disposition*/
1407 0, /* create_options */
1408 fattr, /* file_attributes */
1409 NO_OPLOCK, /* oplock_request */
1410 0, /* allocation_size */
1411 NULL, /* sd */
1412 NULL, /* ea_list */
1413 &fsp2, /* result */
1414 &info); /* pinfo */
1415
1416 if (!NT_STATUS_IS_OK(status)) {
1417 close_file(NULL, fsp1, ERROR_CLOSE);
1418 goto out;
1419 }
1420
1421 if (smb_fname_src->st.st_ex_size) {
1422 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1423 }
1424
1425 /*
1426 * As we are opening fsp1 read-only we only expect
1427 * an error on close on fsp2 if we are out of space.
1428 * Thus we don't look at the error return from the
1429 * close of fsp1.
1430 */
1431 close_file(NULL, fsp1, NORMAL_CLOSE);
1432
1433 /* Ensure the modtime is set correctly on the destination file. */
1434 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1435
1436 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1437
1438 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1439 creates the file. This isn't the correct thing to do in the copy
1440 case. JRA */
1441 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1442 NULL)) {
1443 status = NT_STATUS_NO_MEMORY;
1444 goto out;
1445 }
1446 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1447 TALLOC_FREE(parent);
1448
1449 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1450 status = NT_STATUS_DISK_FULL;
1451 goto out;
1452 }
1453 out:
1454 if (!NT_STATUS_IS_OK(status)) {
1455 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1456 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1457 smb_fname_str_dbg(smb_fname_dst)));
1458 }
1459
1460 return status;
1461}
1462
1463/****************************************************************************
1464 Reply to a NT rename request.
1465****************************************************************************/
1466
1467void reply_ntrename(struct smb_request *req)
1468{
1469 connection_struct *conn = req->conn;
1470 struct smb_filename *smb_fname_old = NULL;
1471 struct smb_filename *smb_fname_new = NULL;
1472 char *oldname = NULL;
1473 char *newname = NULL;
1474 const char *p;
1475 NTSTATUS status;
1476 bool src_has_wcard = False;
1477 bool dest_has_wcard = False;
1478 uint32 attrs;
1479 uint32_t ucf_flags_src = 0;
1480 uint32_t ucf_flags_dst = 0;
1481 uint16 rename_type;
1482 TALLOC_CTX *ctx = talloc_tos();
1483
1484 START_PROFILE(SMBntrename);
1485
1486 if (req->wct < 4) {
1487 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1488 goto out;
1489 }
1490
1491 attrs = SVAL(req->vwv+0, 0);
1492 rename_type = SVAL(req->vwv+1, 0);
1493
1494 p = (const char *)req->buf + 1;
1495 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1496 &status, &src_has_wcard);
1497 if (!NT_STATUS_IS_OK(status)) {
1498 reply_nterror(req, status);
1499 goto out;
1500 }
1501
1502 if (ms_has_wild(oldname)) {
1503 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1504 goto out;
1505 }
1506
1507 p++;
1508 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1509 &status, &dest_has_wcard);
1510 if (!NT_STATUS_IS_OK(status)) {
1511 reply_nterror(req, status);
1512 goto out;
1513 }
1514
1515 /* The newname must begin with a ':' if the oldname contains a ':'. */
1516 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1517 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1518 goto out;
1519 }
1520
1521 /*
1522 * If this is a rename operation, allow wildcards and save the
1523 * destination's last component.
1524 */
1525 if (rename_type == RENAME_FLAG_RENAME) {
1526 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1527 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1528 }
1529
1530 /* rename_internals() calls unix_convert(), so don't call it here. */
1531 status = filename_convert(ctx, conn,
1532 req->flags2 & FLAGS2_DFS_PATHNAMES,
1533 oldname,
1534 ucf_flags_src,
1535 NULL,
1536 &smb_fname_old);
1537 if (!NT_STATUS_IS_OK(status)) {
1538 if (NT_STATUS_EQUAL(status,
1539 NT_STATUS_PATH_NOT_COVERED)) {
1540 reply_botherror(req,
1541 NT_STATUS_PATH_NOT_COVERED,
1542 ERRSRV, ERRbadpath);
1543 goto out;
1544 }
1545 reply_nterror(req, status);
1546 goto out;
1547 }
1548
1549 status = filename_convert(ctx, conn,
1550 req->flags2 & FLAGS2_DFS_PATHNAMES,
1551 newname,
1552 ucf_flags_dst,
1553 &dest_has_wcard,
1554 &smb_fname_new);
1555 if (!NT_STATUS_IS_OK(status)) {
1556 if (NT_STATUS_EQUAL(status,
1557 NT_STATUS_PATH_NOT_COVERED)) {
1558 reply_botherror(req,
1559 NT_STATUS_PATH_NOT_COVERED,
1560 ERRSRV, ERRbadpath);
1561 goto out;
1562 }
1563 reply_nterror(req, status);
1564 goto out;
1565 }
1566
1567 DEBUG(3,("reply_ntrename: %s -> %s\n",
1568 smb_fname_str_dbg(smb_fname_old),
1569 smb_fname_str_dbg(smb_fname_new)));
1570
1571 switch(rename_type) {
1572 case RENAME_FLAG_RENAME:
1573 status = rename_internals(ctx, conn, req,
1574 smb_fname_old, smb_fname_new,
1575 attrs, False, src_has_wcard,
1576 dest_has_wcard,
1577 DELETE_ACCESS);
1578 break;
1579 case RENAME_FLAG_HARD_LINK:
1580 if (src_has_wcard || dest_has_wcard) {
1581 /* No wildcards. */
1582 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1583 } else {
1584 status = hardlink_internals(ctx, conn,
1585 smb_fname_old,
1586 smb_fname_new);
1587 }
1588 break;
1589 case RENAME_FLAG_COPY:
1590 if (src_has_wcard || dest_has_wcard) {
1591 /* No wildcards. */
1592 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1593 } else {
1594 status = copy_internals(ctx, conn, req,
1595 smb_fname_old,
1596 smb_fname_new,
1597 attrs);
1598 }
1599 break;
1600 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1601 status = NT_STATUS_INVALID_PARAMETER;
1602 break;
1603 default:
1604 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1605 break;
1606 }
1607
1608 if (!NT_STATUS_IS_OK(status)) {
1609 if (open_was_deferred(req->mid)) {
1610 /* We have re-scheduled this call. */
1611 goto out;
1612 }
1613
1614 reply_nterror(req, status);
1615 goto out;
1616 }
1617
1618 reply_outbuf(req, 0, 0);
1619 out:
1620 END_PROFILE(SMBntrename);
1621 return;
1622}
1623
1624/****************************************************************************
1625 Reply to a notify change - queue the request and
1626 don't allow a directory to be opened.
1627****************************************************************************/
1628
1629static void smbd_smb1_notify_reply(struct smb_request *req,
1630 NTSTATUS error_code,
1631 uint8_t *buf, size_t len)
1632{
1633 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1634}
1635
1636static void call_nt_transact_notify_change(connection_struct *conn,
1637 struct smb_request *req,
1638 uint16 **ppsetup,
1639 uint32 setup_count,
1640 char **ppparams,
1641 uint32 parameter_count,
1642 char **ppdata, uint32 data_count,
1643 uint32 max_data_count,
1644 uint32 max_param_count)
1645{
1646 uint16 *setup = *ppsetup;
1647 files_struct *fsp;
1648 uint32 filter;
1649 NTSTATUS status;
1650 bool recursive;
1651
1652 if(setup_count < 6) {
1653 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1654 return;
1655 }
1656
1657 fsp = file_fsp(req, SVAL(setup,4));
1658 filter = IVAL(setup, 0);
1659 recursive = (SVAL(setup, 6) != 0) ? True : False;
1660
1661 DEBUG(3,("call_nt_transact_notify_change\n"));
1662
1663 if(!fsp) {
1664 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1665 return;
1666 }
1667
1668 {
1669 char *filter_string;
1670
1671 if (!(filter_string = notify_filter_string(NULL, filter))) {
1672 reply_nterror(req,NT_STATUS_NO_MEMORY);
1673 return;
1674 }
1675
1676 DEBUG(3,("call_nt_transact_notify_change: notify change "
1677 "called on %s, filter = %s, recursive = %d\n",
1678 fsp_str_dbg(fsp), filter_string, recursive));
1679
1680 TALLOC_FREE(filter_string);
1681 }
1682
1683 if((!fsp->is_directory) || (conn != fsp->conn)) {
1684 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1685 return;
1686 }
1687
1688 if (fsp->notify == NULL) {
1689
1690 status = change_notify_create(fsp, filter, recursive);
1691
1692 if (!NT_STATUS_IS_OK(status)) {
1693 DEBUG(10, ("change_notify_create returned %s\n",
1694 nt_errstr(status)));
1695 reply_nterror(req, status);
1696 return;
1697 }
1698 }
1699
1700 if (fsp->notify->num_changes != 0) {
1701
1702 /*
1703 * We've got changes pending, respond immediately
1704 */
1705
1706 /*
1707 * TODO: write a torture test to check the filtering behaviour
1708 * here.
1709 */
1710
1711 change_notify_reply(fsp->conn, req,
1712 NT_STATUS_OK,
1713 max_param_count,
1714 fsp->notify,
1715 smbd_smb1_notify_reply);
1716
1717 /*
1718 * change_notify_reply() above has independently sent its
1719 * results
1720 */
1721 return;
1722 }
1723
1724 /*
1725 * No changes pending, queue the request
1726 */
1727
1728 status = change_notify_add_request(req,
1729 max_param_count,
1730 filter,
1731 recursive, fsp,
1732 smbd_smb1_notify_reply);
1733 if (!NT_STATUS_IS_OK(status)) {
1734 reply_nterror(req, status);
1735 }
1736 return;
1737}
1738
1739/****************************************************************************
1740 Reply to an NT transact rename command.
1741****************************************************************************/
1742
1743static void call_nt_transact_rename(connection_struct *conn,
1744 struct smb_request *req,
1745 uint16 **ppsetup, uint32 setup_count,
1746 char **ppparams, uint32 parameter_count,
1747 char **ppdata, uint32 data_count,
1748 uint32 max_data_count)
1749{
1750 char *params = *ppparams;
1751 char *new_name = NULL;
1752 files_struct *fsp = NULL;
1753 bool dest_has_wcard = False;
1754 NTSTATUS status;
1755 TALLOC_CTX *ctx = talloc_tos();
1756
1757 if(parameter_count < 5) {
1758 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1759 return;
1760 }
1761
1762 fsp = file_fsp(req, SVAL(params, 0));
1763 if (!check_fsp(conn, req, fsp)) {
1764 return;
1765 }
1766 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1767 parameter_count - 4,
1768 STR_TERMINATE, &status, &dest_has_wcard);
1769 if (!NT_STATUS_IS_OK(status)) {
1770 reply_nterror(req, status);
1771 return;
1772 }
1773
1774 /*
1775 * W2K3 ignores this request as the RAW-RENAME test
1776 * demonstrates, so we do.
1777 */
1778 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1779
1780 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1781 fsp_str_dbg(fsp), new_name));
1782
1783 return;
1784}
1785
1786/******************************************************************************
1787 Fake up a completely empty SD.
1788*******************************************************************************/
1789
1790static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1791{
1792 size_t sd_size;
1793
1794 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1795 if(!*ppsd) {
1796 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1797 return NT_STATUS_NO_MEMORY;
1798 }
1799
1800 return NT_STATUS_OK;
1801}
1802
1803/****************************************************************************
1804 Reply to query a security descriptor.
1805****************************************************************************/
1806
1807static void call_nt_transact_query_security_desc(connection_struct *conn,
1808 struct smb_request *req,
1809 uint16 **ppsetup,
1810 uint32 setup_count,
1811 char **ppparams,
1812 uint32 parameter_count,
1813 char **ppdata,
1814 uint32 data_count,
1815 uint32 max_data_count)
1816{
1817 char *params = *ppparams;
1818 char *data = *ppdata;
1819 SEC_DESC *psd = NULL;
1820 size_t sd_size;
1821 uint32 security_info_wanted;
1822 files_struct *fsp = NULL;
1823 NTSTATUS status;
1824 DATA_BLOB blob;
1825
1826 if(parameter_count < 8) {
1827 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1828 return;
1829 }
1830
1831 fsp = file_fsp(req, SVAL(params,0));
1832 if(!fsp) {
1833 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1834 return;
1835 }
1836
1837 security_info_wanted = IVAL(params,4);
1838
1839 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1840 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1841 (unsigned int)security_info_wanted));
1842
1843 params = nttrans_realloc(ppparams, 4);
1844 if(params == NULL) {
1845 reply_nterror(req, NT_STATUS_NO_MEMORY);
1846 return;
1847 }
1848
1849 /*
1850 * Get the permissions to return.
1851 */
1852
[596]1853 if ((security_info_wanted & SECINFO_SACL) &&
1854 !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1855 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1856 return;
1857 }
1858
1859 if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1860 !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1861 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1862 return;
1863 }
1864
[732]1865 if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
1866 SECINFO_GROUP|SECINFO_SACL)) {
1867 /* Don't return SECINFO_LABEL if anything else was
1868 requested. See bug #8458. */
1869 security_info_wanted &= ~SECINFO_LABEL;
1870 }
1871
[583]1872 if (!lp_nt_acl_support(SNUM(conn))) {
1873 status = get_null_nt_acl(talloc_tos(), &psd);
[732]1874 } else if (security_info_wanted & SECINFO_LABEL) {
1875 /* Like W2K3 return a null object. */
1876 status = get_null_nt_acl(talloc_tos(), &psd);
[583]1877 } else {
1878 status = SMB_VFS_FGET_NT_ACL(
1879 fsp, security_info_wanted, &psd);
1880 }
1881 if (!NT_STATUS_IS_OK(status)) {
1882 reply_nterror(req, status);
1883 return;
1884 }
1885
[596]1886 if (!(security_info_wanted & SECINFO_OWNER)) {
1887 psd->owner_sid = NULL;
1888 }
1889 if (!(security_info_wanted & SECINFO_GROUP)) {
1890 psd->group_sid = NULL;
1891 }
1892 if (!(security_info_wanted & SECINFO_DACL)) {
[733]1893 psd->type &= ~SEC_DESC_DACL_PRESENT;
[596]1894 psd->dacl = NULL;
1895 }
1896 if (!(security_info_wanted & SECINFO_SACL)) {
[733]1897 psd->type &= ~SEC_DESC_SACL_PRESENT;
[596]1898 psd->sacl = NULL;
1899 }
1900
[583]1901 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1902 * present in the reply to match Windows behavior */
1903 if (psd->sacl == NULL &&
1904 security_info_wanted & SACL_SECURITY_INFORMATION)
1905 psd->type |= SEC_DESC_SACL_PRESENT;
1906 if (psd->dacl == NULL &&
1907 security_info_wanted & DACL_SECURITY_INFORMATION)
1908 psd->type |= SEC_DESC_DACL_PRESENT;
1909
[732]1910 if (security_info_wanted & SECINFO_LABEL) {
1911 /* Like W2K3 return a null object. */
1912 psd->owner_sid = NULL;
1913 psd->group_sid = NULL;
1914 psd->dacl = NULL;
1915 psd->sacl = NULL;
1916 psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
1917 }
1918
[583]1919 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1920
1921 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1922
1923 if (DEBUGLEVEL >= 10) {
1924 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1925 fsp_str_dbg(fsp)));
1926 NDR_PRINT_DEBUG(security_descriptor, psd);
1927 }
1928
1929 SIVAL(params,0,(uint32)sd_size);
1930
1931 if (max_data_count < sd_size) {
1932 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1933 params, 4, *ppdata, 0);
1934 return;
1935 }
1936
1937 /*
1938 * Allocate the data we will point this at.
1939 */
1940
1941 data = nttrans_realloc(ppdata, sd_size);
1942 if(data == NULL) {
1943 reply_nterror(req, NT_STATUS_NO_MEMORY);
1944 return;
1945 }
1946
1947 status = marshall_sec_desc(talloc_tos(), psd,
1948 &blob.data, &blob.length);
1949
1950 if (!NT_STATUS_IS_OK(status)) {
1951 reply_nterror(req, status);
1952 return;
1953 }
1954
1955 SMB_ASSERT(sd_size == blob.length);
1956 memcpy(data, blob.data, sd_size);
1957
1958 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1959
1960 return;
1961}
1962
1963/****************************************************************************
1964 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1965****************************************************************************/
1966
1967static void call_nt_transact_set_security_desc(connection_struct *conn,
1968 struct smb_request *req,
1969 uint16 **ppsetup,
1970 uint32 setup_count,
1971 char **ppparams,
1972 uint32 parameter_count,
1973 char **ppdata,
1974 uint32 data_count,
1975 uint32 max_data_count)
1976{
1977 char *params= *ppparams;
1978 char *data = *ppdata;
1979 files_struct *fsp = NULL;
1980 uint32 security_info_sent = 0;
1981 NTSTATUS status;
1982
1983 if(parameter_count < 8) {
1984 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1985 return;
1986 }
1987
1988 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1989 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1990 return;
1991 }
1992
1993 if(!lp_nt_acl_support(SNUM(conn))) {
1994 goto done;
1995 }
1996
1997 security_info_sent = IVAL(params,4);
1998
1999 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2000 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2001
2002 if (data_count == 0) {
2003 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2004 return;
2005 }
2006
2007 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
2008
2009 if (!NT_STATUS_IS_OK(status)) {
2010 reply_nterror(req, status);
2011 return;
2012 }
2013
2014 done:
2015 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2016 return;
2017}
2018
2019/****************************************************************************
2020 Reply to NT IOCTL
2021****************************************************************************/
2022
2023static void call_nt_transact_ioctl(connection_struct *conn,
2024 struct smb_request *req,
2025 uint16 **ppsetup, uint32 setup_count,
2026 char **ppparams, uint32 parameter_count,
2027 char **ppdata, uint32 data_count,
2028 uint32 max_data_count)
2029{
2030 uint32 function;
2031 uint16 fidnum;
2032 files_struct *fsp;
2033 uint8 isFSctl;
2034 uint8 compfilter;
2035 char *pdata = *ppdata;
2036
2037 if (setup_count != 8) {
2038 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2039 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2040 return;
2041 }
2042
2043 function = IVAL(*ppsetup, 0);
2044 fidnum = SVAL(*ppsetup, 4);
2045 isFSctl = CVAL(*ppsetup, 6);
2046 compfilter = CVAL(*ppsetup, 7);
2047
2048 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2049 function, fidnum, isFSctl, compfilter));
2050
2051 fsp=file_fsp(req, fidnum);
2052 /* this check is done in each implemented function case for now
2053 because I don't want to break anything... --metze
2054 FSP_BELONGS_CONN(fsp,conn);*/
2055
2056 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2057
2058 switch (function) {
2059 case FSCTL_SET_SPARSE:
2060 /* pretend this succeeded - tho strictly we should
2061 mark the file sparse (if the local fs supports it)
2062 so we can know if we need to pre-allocate or not */
2063
2064 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2065 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2066 return;
2067
2068 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2069 {
2070 unsigned char objid[16];
2071
2072 /* This should return the object-id on this file.
2073 * I think I'll make this be the inode+dev. JRA.
2074 */
2075
2076 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2077
2078 if (!fsp_belongs_conn(conn, req, fsp)) {
2079 return;
2080 }
2081
2082 data_count = 64;
2083 pdata = nttrans_realloc(ppdata, data_count);
2084 if (pdata == NULL) {
2085 reply_nterror(req, NT_STATUS_NO_MEMORY);
2086 return;
2087 }
2088
2089 /* For backwards compatibility only store the dev/inode. */
2090 push_file_id_16(pdata, &fsp->file_id);
2091 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2092 push_file_id_16(pdata+32, &fsp->file_id);
2093 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2094 pdata, data_count);
2095 return;
2096 }
2097
2098 case FSCTL_GET_REPARSE_POINT:
2099 /* pretend this fail - my winXP does it like this
2100 * --metze
2101 */
2102
2103 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2104 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2105 return;
2106
2107 case FSCTL_SET_REPARSE_POINT:
2108 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2109 * --metze
2110 */
2111
2112 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2113 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2114 return;
2115
2116 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2117 {
2118 /*
2119 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2120 * and return their volume names. If max_data_count is 16, then it is just
2121 * asking for the number of volumes and length of the combined names.
2122 *
2123 * pdata is the data allocated by our caller, but that uses
2124 * total_data_count (which is 0 in our case) rather than max_data_count.
2125 * Allocate the correct amount and return the pointer to let
2126 * it be deallocated when we return.
2127 */
2128 SHADOW_COPY_DATA *shadow_data = NULL;
2129 TALLOC_CTX *shadow_mem_ctx = NULL;
2130 bool labels = False;
2131 uint32 labels_data_count = 0;
2132 uint32 i;
2133 char *cur_pdata;
2134
2135 if (!fsp_belongs_conn(conn, req, fsp)) {
2136 return;
2137 }
2138
2139 if (max_data_count < 16) {
2140 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2141 max_data_count));
2142 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2143 return;
2144 }
2145
2146 if (max_data_count > 16) {
2147 labels = True;
2148 }
2149
2150 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2151 if (shadow_mem_ctx == NULL) {
2152 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2153 reply_nterror(req, NT_STATUS_NO_MEMORY);
2154 return;
2155 }
2156
2157 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2158 if (shadow_data == NULL) {
2159 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2160 talloc_destroy(shadow_mem_ctx);
2161 reply_nterror(req, NT_STATUS_NO_MEMORY);
2162 return;
2163 }
2164
2165 shadow_data->mem_ctx = shadow_mem_ctx;
2166
2167 /*
2168 * Call the VFS routine to actually do the work.
2169 */
2170 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2171 talloc_destroy(shadow_data->mem_ctx);
2172 if (errno == ENOSYS) {
2173 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2174 conn->connectpath));
2175 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2176 return;
2177 } else {
2178 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2179 conn->connectpath));
2180 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2181 return;
2182 }
2183 }
2184
2185 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2186
2187 if (!labels) {
2188 data_count = 16;
2189 } else {
2190 data_count = 12+labels_data_count+4;
2191 }
2192
2193 if (max_data_count<data_count) {
2194 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2195 max_data_count,data_count));
2196 talloc_destroy(shadow_data->mem_ctx);
2197 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2198 return;
2199 }
2200
2201 pdata = nttrans_realloc(ppdata, data_count);
2202 if (pdata == NULL) {
2203 talloc_destroy(shadow_data->mem_ctx);
2204 reply_nterror(req, NT_STATUS_NO_MEMORY);
2205 return;
2206 }
2207
2208 cur_pdata = pdata;
2209
2210 /* num_volumes 4 bytes */
2211 SIVAL(pdata,0,shadow_data->num_volumes);
2212
2213 if (labels) {
2214 /* num_labels 4 bytes */
2215 SIVAL(pdata,4,shadow_data->num_volumes);
2216 }
2217
2218 /* needed_data_count 4 bytes */
2219 SIVAL(pdata, 8, labels_data_count+4);
2220
2221 cur_pdata+=12;
2222
2223 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2224 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2225 if (labels && shadow_data->labels) {
2226 for (i=0;i<shadow_data->num_volumes;i++) {
2227 srvstr_push(pdata, req->flags2,
2228 cur_pdata, shadow_data->labels[i],
2229 2*sizeof(SHADOW_COPY_LABEL),
2230 STR_UNICODE|STR_TERMINATE);
2231 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2232 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2233 }
2234 }
2235
2236 talloc_destroy(shadow_data->mem_ctx);
2237
2238 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2239 pdata, data_count);
2240
2241 return;
2242 }
2243
2244 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2245 {
2246 /* pretend this succeeded -
2247 *
2248 * we have to send back a list with all files owned by this SID
2249 *
2250 * but I have to check that --metze
2251 */
2252 DOM_SID sid;
2253 uid_t uid;
2254 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2255
2256 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2257
2258 if (!fsp_belongs_conn(conn, req, fsp)) {
2259 return;
2260 }
2261
2262 /* unknown 4 bytes: this is not the length of the sid :-( */
2263 /*unknown = IVAL(pdata,0);*/
2264
2265 if (!sid_parse(pdata+4,sid_len,&sid)) {
2266 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2267 return;
2268 }
2269
2270 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2271
2272 if (!sid_to_uid(&sid, &uid)) {
2273 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2274 sid_string_dbg(&sid),
2275 (unsigned long)sid_len));
2276 uid = (-1);
2277 }
2278
2279 /* we can take a look at the find source :-)
2280 *
2281 * find ./ -uid $uid -name '*' is what we need here
2282 *
2283 *
2284 * and send 4bytes len and then NULL terminated unicode strings
2285 * for each file
2286 *
2287 * but I don't know how to deal with the paged results
2288 * (maybe we can hang the result anywhere in the fsp struct)
2289 *
2290 * we don't send all files at once
2291 * and at the next we should *not* start from the beginning,
2292 * so we have to cache the result
2293 *
2294 * --metze
2295 */
2296
2297 /* this works for now... */
2298 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2299 return;
2300 }
2301 default:
2302 if (!logged_ioctl_message) {
2303 logged_ioctl_message = true; /* Only print this once... */
2304 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2305 function));
2306 }
2307 }
2308
2309 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2310}
2311
2312
2313#ifdef HAVE_SYS_QUOTAS
2314/****************************************************************************
2315 Reply to get user quota
2316****************************************************************************/
2317
2318static void call_nt_transact_get_user_quota(connection_struct *conn,
2319 struct smb_request *req,
2320 uint16 **ppsetup,
2321 uint32 setup_count,
2322 char **ppparams,
2323 uint32 parameter_count,
2324 char **ppdata,
2325 uint32 data_count,
2326 uint32 max_data_count)
2327{
2328 NTSTATUS nt_status = NT_STATUS_OK;
2329 char *params = *ppparams;
2330 char *pdata = *ppdata;
2331 char *entry;
2332 int data_len=0,param_len=0;
2333 int qt_len=0;
2334 int entry_len = 0;
2335 files_struct *fsp = NULL;
2336 uint16 level = 0;
2337 size_t sid_len;
2338 DOM_SID sid;
2339 bool start_enum = True;
2340 SMB_NTQUOTA_STRUCT qt;
2341 SMB_NTQUOTA_LIST *tmp_list;
2342 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2343
2344 ZERO_STRUCT(qt);
2345
2346 /* access check */
[599]2347 if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
[583]2348 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2349 "[%s]\n", lp_servicename(SNUM(conn)),
2350 conn->server_info->unix_name));
2351 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2352 return;
2353 }
2354
2355 /*
2356 * Ensure minimum number of parameters sent.
2357 */
2358
2359 if (parameter_count < 4) {
2360 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2361 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2362 return;
2363 }
2364
2365 /* maybe we can check the quota_fnum */
2366 fsp = file_fsp(req, SVAL(params,0));
2367 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2368 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2369 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2370 return;
2371 }
2372
2373 /* the NULL pointer checking for fsp->fake_file_handle->pd
2374 * is done by CHECK_NTQUOTA_HANDLE_OK()
2375 */
2376 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2377
2378 level = SVAL(params,2);
2379
2380 /* unknown 12 bytes leading in params */
2381
2382 switch (level) {
2383 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2384 /* seems that we should continue with the enum here --metze */
2385
2386 if (qt_handle->quota_list!=NULL &&
2387 qt_handle->tmp_list==NULL) {
2388
2389 /* free the list */
2390 free_ntquota_list(&(qt_handle->quota_list));
2391
2392 /* Realloc the size of parameters and data we will return */
2393 param_len = 4;
2394 params = nttrans_realloc(ppparams, param_len);
2395 if(params == NULL) {
2396 reply_nterror(req, NT_STATUS_NO_MEMORY);
2397 return;
2398 }
2399
2400 data_len = 0;
2401 SIVAL(params,0,data_len);
2402
2403 break;
2404 }
2405
2406 start_enum = False;
2407
2408 case TRANSACT_GET_USER_QUOTA_LIST_START:
2409
2410 if (qt_handle->quota_list==NULL &&
2411 qt_handle->tmp_list==NULL) {
2412 start_enum = True;
2413 }
2414
2415 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2416 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2417 return;
2418 }
2419
2420 /* Realloc the size of parameters and data we will return */
2421 param_len = 4;
2422 params = nttrans_realloc(ppparams, param_len);
2423 if(params == NULL) {
2424 reply_nterror(req, NT_STATUS_NO_MEMORY);
2425 return;
2426 }
2427
2428 /* we should not trust the value in max_data_count*/
2429 max_data_count = MIN(max_data_count,2048);
2430
2431 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2432 if(pdata == NULL) {
2433 reply_nterror(req, NT_STATUS_NO_MEMORY);
2434 return;
2435 }
2436
2437 entry = pdata;
2438
2439 /* set params Size of returned Quota Data 4 bytes*/
2440 /* but set it later when we know it */
2441
2442 /* for each entry push the data */
2443
2444 if (start_enum) {
2445 qt_handle->tmp_list = qt_handle->quota_list;
2446 }
2447
2448 tmp_list = qt_handle->tmp_list;
2449
2450 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2451 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2452
2453 sid_len = ndr_size_dom_sid(
2454 &tmp_list->quotas->sid, NULL, 0);
2455 entry_len = 40 + sid_len;
2456
2457 /* nextoffset entry 4 bytes */
2458 SIVAL(entry,0,entry_len);
2459
2460 /* then the len of the SID 4 bytes */
2461 SIVAL(entry,4,sid_len);
2462
2463 /* unknown data 8 bytes uint64_t */
2464 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2465
2466 /* the used disk space 8 bytes uint64_t */
2467 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2468
2469 /* the soft quotas 8 bytes uint64_t */
2470 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2471
2472 /* the hard quotas 8 bytes uint64_t */
2473 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2474
2475 /* and now the SID */
2476 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2477 }
2478
2479 qt_handle->tmp_list = tmp_list;
2480
2481 /* overwrite the offset of the last entry */
2482 SIVAL(entry-entry_len,0,0);
2483
2484 data_len = 4+qt_len;
2485 /* overwrite the params quota_data_len */
2486 SIVAL(params,0,data_len);
2487
2488 break;
2489
2490 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2491
2492 /* unknown 4 bytes IVAL(pdata,0) */
2493
2494 if (data_count < 8) {
2495 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2496 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2497 return;
2498 }
2499
2500 sid_len = IVAL(pdata,4);
2501 /* Ensure this is less than 1mb. */
2502 if (sid_len > (1024*1024)) {
2503 reply_nterror(req, NT_STATUS_NO_MEMORY);
2504 return;
2505 }
2506
2507 if (data_count < 8+sid_len) {
2508 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2509 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2510 return;
2511 }
2512
2513 data_len = 4+40+sid_len;
2514
2515 if (max_data_count < data_len) {
2516 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2517 max_data_count, data_len));
2518 param_len = 4;
2519 SIVAL(params,0,data_len);
2520 data_len = 0;
2521 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2522 break;
2523 }
2524
2525 if (!sid_parse(pdata+8,sid_len,&sid)) {
2526 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2527 return;
2528 }
2529
2530 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2531 ZERO_STRUCT(qt);
2532 /*
2533 * we have to return zero's in all fields
2534 * instead of returning an error here
2535 * --metze
2536 */
2537 }
2538
2539 /* Realloc the size of parameters and data we will return */
2540 param_len = 4;
2541 params = nttrans_realloc(ppparams, param_len);
2542 if(params == NULL) {
2543 reply_nterror(req, NT_STATUS_NO_MEMORY);
2544 return;
2545 }
2546
2547 pdata = nttrans_realloc(ppdata, data_len);
2548 if(pdata == NULL) {
2549 reply_nterror(req, NT_STATUS_NO_MEMORY);
2550 return;
2551 }
2552
2553 entry = pdata;
2554
2555 /* set params Size of returned Quota Data 4 bytes*/
2556 SIVAL(params,0,data_len);
2557
2558 /* nextoffset entry 4 bytes */
2559 SIVAL(entry,0,0);
2560
2561 /* then the len of the SID 4 bytes */
2562 SIVAL(entry,4,sid_len);
2563
2564 /* unknown data 8 bytes uint64_t */
2565 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2566
2567 /* the used disk space 8 bytes uint64_t */
2568 SBIG_UINT(entry,16,qt.usedspace);
2569
2570 /* the soft quotas 8 bytes uint64_t */
2571 SBIG_UINT(entry,24,qt.softlim);
2572
2573 /* the hard quotas 8 bytes uint64_t */
2574 SBIG_UINT(entry,32,qt.hardlim);
2575
2576 /* and now the SID */
2577 sid_linearize(entry+40, sid_len, &sid);
2578
2579 break;
2580
2581 default:
2582 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2583 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2584 return;
2585 break;
2586 }
2587
2588 send_nt_replies(conn, req, nt_status, params, param_len,
2589 pdata, data_len);
2590}
2591
2592/****************************************************************************
2593 Reply to set user quota
2594****************************************************************************/
2595
2596static void call_nt_transact_set_user_quota(connection_struct *conn,
2597 struct smb_request *req,
2598 uint16 **ppsetup,
2599 uint32 setup_count,
2600 char **ppparams,
2601 uint32 parameter_count,
2602 char **ppdata,
2603 uint32 data_count,
2604 uint32 max_data_count)
2605{
2606 char *params = *ppparams;
2607 char *pdata = *ppdata;
2608 int data_len=0,param_len=0;
2609 SMB_NTQUOTA_STRUCT qt;
2610 size_t sid_len;
2611 DOM_SID sid;
2612 files_struct *fsp = NULL;
2613
2614 ZERO_STRUCT(qt);
2615
2616 /* access check */
[599]2617 if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
[583]2618 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2619 "[%s]\n", lp_servicename(SNUM(conn)),
2620 conn->server_info->unix_name));
2621 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2622 return;
2623 }
2624
2625 /*
2626 * Ensure minimum number of parameters sent.
2627 */
2628
2629 if (parameter_count < 2) {
2630 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2631 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2632 return;
2633 }
2634
2635 /* maybe we can check the quota_fnum */
2636 fsp = file_fsp(req, SVAL(params,0));
2637 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2638 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2639 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2640 return;
2641 }
2642
2643 if (data_count < 40) {
2644 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2645 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2646 return;
2647 }
2648
2649 /* offset to next quota record.
2650 * 4 bytes IVAL(pdata,0)
2651 * unused here...
2652 */
2653
2654 /* sid len */
2655 sid_len = IVAL(pdata,4);
2656
2657 if (data_count < 40+sid_len) {
2658 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2659 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2660 return;
2661 }
2662
2663 /* unknown 8 bytes in pdata
2664 * maybe its the change time in NTTIME
2665 */
2666
2667 /* the used space 8 bytes (uint64_t)*/
2668 qt.usedspace = (uint64_t)IVAL(pdata,16);
2669#ifdef LARGE_SMB_OFF_T
2670 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2671#else /* LARGE_SMB_OFF_T */
2672 if ((IVAL(pdata,20) != 0)&&
2673 ((qt.usedspace != 0xFFFFFFFF)||
2674 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2675 /* more than 32 bits? */
2676 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2677 return;
2678 }
2679#endif /* LARGE_SMB_OFF_T */
2680
2681 /* the soft quotas 8 bytes (uint64_t)*/
2682 qt.softlim = (uint64_t)IVAL(pdata,24);
2683#ifdef LARGE_SMB_OFF_T
2684 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2685#else /* LARGE_SMB_OFF_T */
2686 if ((IVAL(pdata,28) != 0)&&
2687 ((qt.softlim != 0xFFFFFFFF)||
2688 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2689 /* more than 32 bits? */
2690 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2691 return;
2692 }
2693#endif /* LARGE_SMB_OFF_T */
2694
2695 /* the hard quotas 8 bytes (uint64_t)*/
2696 qt.hardlim = (uint64_t)IVAL(pdata,32);
2697#ifdef LARGE_SMB_OFF_T
2698 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2699#else /* LARGE_SMB_OFF_T */
2700 if ((IVAL(pdata,36) != 0)&&
2701 ((qt.hardlim != 0xFFFFFFFF)||
2702 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2703 /* more than 32 bits? */
2704 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2705 return;
2706 }
2707#endif /* LARGE_SMB_OFF_T */
2708
2709 if (!sid_parse(pdata+40,sid_len,&sid)) {
2710 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2711 return;
2712 }
2713
2714 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2715
2716 /* 44 unknown bytes left... */
2717
2718 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2719 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2720 return;
2721 }
2722
2723 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2724 pdata, data_len);
2725}
2726#endif /* HAVE_SYS_QUOTAS */
2727
2728static void handle_nttrans(connection_struct *conn,
2729 struct trans_state *state,
2730 struct smb_request *req)
2731{
2732 if (get_Protocol() >= PROTOCOL_NT1) {
2733 req->flags2 |= 0x40; /* IS_LONG_NAME */
2734 SSVAL(req->inbuf,smb_flg2,req->flags2);
2735 }
2736
2737
2738 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2739
2740 /* Now we must call the relevant NT_TRANS function */
2741 switch(state->call) {
2742 case NT_TRANSACT_CREATE:
2743 {
2744 START_PROFILE(NT_transact_create);
2745 call_nt_transact_create(
2746 conn, req,
2747 &state->setup, state->setup_count,
2748 &state->param, state->total_param,
2749 &state->data, state->total_data,
2750 state->max_data_return);
2751 END_PROFILE(NT_transact_create);
2752 break;
2753 }
2754
2755 case NT_TRANSACT_IOCTL:
2756 {
2757 START_PROFILE(NT_transact_ioctl);
2758 call_nt_transact_ioctl(
2759 conn, req,
2760 &state->setup, state->setup_count,
2761 &state->param, state->total_param,
2762 &state->data, state->total_data,
2763 state->max_data_return);
2764 END_PROFILE(NT_transact_ioctl);
2765 break;
2766 }
2767
2768 case NT_TRANSACT_SET_SECURITY_DESC:
2769 {
2770 START_PROFILE(NT_transact_set_security_desc);
2771 call_nt_transact_set_security_desc(
2772 conn, req,
2773 &state->setup, state->setup_count,
2774 &state->param, state->total_param,
2775 &state->data, state->total_data,
2776 state->max_data_return);
2777 END_PROFILE(NT_transact_set_security_desc);
2778 break;
2779 }
2780
2781 case NT_TRANSACT_NOTIFY_CHANGE:
2782 {
2783 START_PROFILE(NT_transact_notify_change);
2784 call_nt_transact_notify_change(
2785 conn, req,
2786 &state->setup, state->setup_count,
2787 &state->param, state->total_param,
2788 &state->data, state->total_data,
2789 state->max_data_return,
2790 state->max_param_return);
2791 END_PROFILE(NT_transact_notify_change);
2792 break;
2793 }
2794
2795 case NT_TRANSACT_RENAME:
2796 {
2797 START_PROFILE(NT_transact_rename);
2798 call_nt_transact_rename(
2799 conn, req,
2800 &state->setup, state->setup_count,
2801 &state->param, state->total_param,
2802 &state->data, state->total_data,
2803 state->max_data_return);
2804 END_PROFILE(NT_transact_rename);
2805 break;
2806 }
2807
2808 case NT_TRANSACT_QUERY_SECURITY_DESC:
2809 {
2810 START_PROFILE(NT_transact_query_security_desc);
2811 call_nt_transact_query_security_desc(
2812 conn, req,
2813 &state->setup, state->setup_count,
2814 &state->param, state->total_param,
2815 &state->data, state->total_data,
2816 state->max_data_return);
2817 END_PROFILE(NT_transact_query_security_desc);
2818 break;
2819 }
2820
2821#ifdef HAVE_SYS_QUOTAS
2822 case NT_TRANSACT_GET_USER_QUOTA:
2823 {
2824 START_PROFILE(NT_transact_get_user_quota);
2825 call_nt_transact_get_user_quota(
2826 conn, req,
2827 &state->setup, state->setup_count,
2828 &state->param, state->total_param,
2829 &state->data, state->total_data,
2830 state->max_data_return);
2831 END_PROFILE(NT_transact_get_user_quota);
2832 break;
2833 }
2834
2835 case NT_TRANSACT_SET_USER_QUOTA:
2836 {
2837 START_PROFILE(NT_transact_set_user_quota);
2838 call_nt_transact_set_user_quota(
2839 conn, req,
2840 &state->setup, state->setup_count,
2841 &state->param, state->total_param,
2842 &state->data, state->total_data,
2843 state->max_data_return);
2844 END_PROFILE(NT_transact_set_user_quota);
2845 break;
2846 }
2847#endif /* HAVE_SYS_QUOTAS */
2848
2849 default:
2850 /* Error in request */
2851 DEBUG(0,("handle_nttrans: Unknown request %d in "
2852 "nttrans call\n", state->call));
2853 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2854 return;
2855 }
2856 return;
2857}
2858
2859/****************************************************************************
2860 Reply to a SMBNTtrans.
2861****************************************************************************/
2862
2863void reply_nttrans(struct smb_request *req)
2864{
2865 connection_struct *conn = req->conn;
2866 uint32_t pscnt;
2867 uint32_t psoff;
2868 uint32_t dscnt;
2869 uint32_t dsoff;
2870 uint16 function_code;
2871 NTSTATUS result;
2872 struct trans_state *state;
2873
2874 START_PROFILE(SMBnttrans);
2875
2876 if (req->wct < 19) {
2877 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2878 END_PROFILE(SMBnttrans);
2879 return;
2880 }
2881
2882 pscnt = IVAL(req->vwv+9, 1);
2883 psoff = IVAL(req->vwv+11, 1);
2884 dscnt = IVAL(req->vwv+13, 1);
2885 dsoff = IVAL(req->vwv+15, 1);
2886 function_code = SVAL(req->vwv+18, 0);
2887
2888 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2889 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2890 END_PROFILE(SMBnttrans);
2891 return;
2892 }
2893
2894 result = allow_new_trans(conn->pending_trans, req->mid);
2895 if (!NT_STATUS_IS_OK(result)) {
2896 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2897 reply_nterror(req, result);
2898 END_PROFILE(SMBnttrans);
2899 return;
2900 }
2901
2902 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2903 reply_nterror(req, NT_STATUS_NO_MEMORY);
2904 END_PROFILE(SMBnttrans);
2905 return;
2906 }
2907
2908 state->cmd = SMBnttrans;
2909
2910 state->mid = req->mid;
2911 state->vuid = req->vuid;
2912 state->total_data = IVAL(req->vwv+3, 1);
2913 state->data = NULL;
2914 state->total_param = IVAL(req->vwv+1, 1);
2915 state->param = NULL;
2916 state->max_data_return = IVAL(req->vwv+7, 1);
2917 state->max_param_return = IVAL(req->vwv+5, 1);
2918
2919 /* setup count is in *words* */
2920 state->setup_count = 2*CVAL(req->vwv+17, 1);
2921 state->setup = NULL;
2922 state->call = function_code;
2923
2924 DEBUG(10, ("num_setup=%u, "
2925 "param_total=%u, this_param=%u, max_param=%u, "
2926 "data_total=%u, this_data=%u, max_data=%u, "
2927 "param_offset=%u, data_offset=%u\n",
2928 (unsigned)state->setup_count,
2929 (unsigned)state->total_param, (unsigned)pscnt,
2930 (unsigned)state->max_param_return,
2931 (unsigned)state->total_data, (unsigned)dscnt,
2932 (unsigned)state->max_data_return,
2933 (unsigned)psoff, (unsigned)dsoff));
2934
2935 /*
2936 * All nttrans messages we handle have smb_wct == 19 +
2937 * state->setup_count. Ensure this is so as a sanity check.
2938 */
2939
2940 if(req->wct != 19 + (state->setup_count/2)) {
2941 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2942 req->wct, 19 + (state->setup_count/2)));
2943 goto bad_param;
2944 }
2945
2946 /* Don't allow more than 128mb for each value. */
2947 if ((state->total_data > (1024*1024*128)) ||
2948 (state->total_param > (1024*1024*128))) {
2949 reply_nterror(req, NT_STATUS_NO_MEMORY);
2950 END_PROFILE(SMBnttrans);
2951 return;
2952 }
2953
2954 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2955 goto bad_param;
2956
2957 if (state->total_data) {
2958
2959 if (trans_oob(state->total_data, 0, dscnt)
2960 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2961 goto bad_param;
2962 }
2963
2964 /* Can't use talloc here, the core routines do realloc on the
2965 * params and data. */
2966 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2967 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2968 "bytes !\n", (unsigned int)state->total_data));
2969 TALLOC_FREE(state);
2970 reply_nterror(req, NT_STATUS_NO_MEMORY);
2971 END_PROFILE(SMBnttrans);
2972 return;
2973 }
2974
2975 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2976 }
2977
2978 if (state->total_param) {
2979
2980 if (trans_oob(state->total_param, 0, pscnt)
2981 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2982 goto bad_param;
2983 }
2984
2985 /* Can't use talloc here, the core routines do realloc on the
2986 * params and data. */
2987 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2988 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2989 "bytes !\n", (unsigned int)state->total_param));
2990 SAFE_FREE(state->data);
2991 TALLOC_FREE(state);
2992 reply_nterror(req, NT_STATUS_NO_MEMORY);
2993 END_PROFILE(SMBnttrans);
2994 return;
2995 }
2996
2997 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2998 }
2999
3000 state->received_data = dscnt;
3001 state->received_param = pscnt;
3002
3003 if(state->setup_count > 0) {
3004 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3005 state->setup_count));
3006
3007 /*
3008 * No overflow possible here, state->setup_count is an
3009 * unsigned int, being filled by a single byte from
3010 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3011 * below is not necessary, it's here to clarify things. The
3012 * validity of req->vwv and req->wct has been checked in
3013 * init_smb_request already.
3014 */
3015 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3016 goto bad_param;
3017 }
3018
3019 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3020 if (state->setup == NULL) {
3021 DEBUG(0,("reply_nttrans : Out of memory\n"));
3022 SAFE_FREE(state->data);
3023 SAFE_FREE(state->param);
3024 TALLOC_FREE(state);
3025 reply_nterror(req, NT_STATUS_NO_MEMORY);
3026 END_PROFILE(SMBnttrans);
3027 return;
3028 }
3029
3030 memcpy(state->setup, req->vwv+19, state->setup_count);
3031 dump_data(10, (uint8 *)state->setup, state->setup_count);
3032 }
3033
3034 if ((state->received_data == state->total_data) &&
3035 (state->received_param == state->total_param)) {
3036 handle_nttrans(conn, state, req);
3037 SAFE_FREE(state->param);
3038 SAFE_FREE(state->data);
3039 TALLOC_FREE(state);
3040 END_PROFILE(SMBnttrans);
3041 return;
3042 }
3043
3044 DLIST_ADD(conn->pending_trans, state);
3045
3046 /* We need to send an interim response then receive the rest
3047 of the parameter/data bytes */
3048 reply_outbuf(req, 0, 0);
3049 show_msg((char *)req->outbuf);
3050 END_PROFILE(SMBnttrans);
3051 return;
3052
3053 bad_param:
3054
3055 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3056 SAFE_FREE(state->data);
3057 SAFE_FREE(state->param);
3058 TALLOC_FREE(state);
3059 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3060 END_PROFILE(SMBnttrans);
3061 return;
3062}
3063
3064/****************************************************************************
3065 Reply to a SMBnttranss
3066 ****************************************************************************/
3067
3068void reply_nttranss(struct smb_request *req)
3069{
3070 connection_struct *conn = req->conn;
3071 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3072 struct trans_state *state;
3073
3074 START_PROFILE(SMBnttranss);
3075
3076 show_msg((char *)req->inbuf);
3077
[736]3078 /* Windows clients expect all replies to
3079 an NT transact secondary (SMBnttranss 0xA1)
3080 to have a command code of NT transact
3081 (SMBnttrans 0xA0). See bug #8989 for details. */
3082 req->cmd = SMBnttrans;
3083
[583]3084 if (req->wct < 18) {
3085 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3086 END_PROFILE(SMBnttranss);
3087 return;
3088 }
3089
3090 for (state = conn->pending_trans; state != NULL;
3091 state = state->next) {
3092 if (state->mid == req->mid) {
3093 break;
3094 }
3095 }
3096
3097 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3098 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3099 END_PROFILE(SMBnttranss);
3100 return;
3101 }
3102
3103 /* Revise state->total_param and state->total_data in case they have
3104 changed downwards */
3105 if (IVAL(req->vwv+1, 1) < state->total_param) {
3106 state->total_param = IVAL(req->vwv+1, 1);
3107 }
3108 if (IVAL(req->vwv+3, 1) < state->total_data) {
3109 state->total_data = IVAL(req->vwv+3, 1);
3110 }
3111
3112 pcnt = IVAL(req->vwv+5, 1);
3113 poff = IVAL(req->vwv+7, 1);
3114 pdisp = IVAL(req->vwv+9, 1);
3115
3116 dcnt = IVAL(req->vwv+11, 1);
3117 doff = IVAL(req->vwv+13, 1);
3118 ddisp = IVAL(req->vwv+15, 1);
3119
3120 state->received_param += pcnt;
3121 state->received_data += dcnt;
3122
3123 if ((state->received_data > state->total_data) ||
3124 (state->received_param > state->total_param))
3125 goto bad_param;
3126
3127 if (pcnt) {
3128 if (trans_oob(state->total_param, pdisp, pcnt)
3129 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3130 goto bad_param;
3131 }
3132 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3133 }
3134
3135 if (dcnt) {
3136 if (trans_oob(state->total_data, ddisp, dcnt)
3137 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3138 goto bad_param;
3139 }
3140 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3141 }
3142
3143 if ((state->received_param < state->total_param) ||
3144 (state->received_data < state->total_data)) {
3145 END_PROFILE(SMBnttranss);
3146 return;
3147 }
3148
3149 handle_nttrans(conn, state, req);
3150
3151 DLIST_REMOVE(conn->pending_trans, state);
3152 SAFE_FREE(state->data);
3153 SAFE_FREE(state->param);
3154 TALLOC_FREE(state);
3155 END_PROFILE(SMBnttranss);
3156 return;
3157
3158 bad_param:
3159
3160 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3161 DLIST_REMOVE(conn->pending_trans, state);
3162 SAFE_FREE(state->data);
3163 SAFE_FREE(state->param);
3164 TALLOC_FREE(state);
3165 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3166 END_PROFILE(SMBnttranss);
3167 return;
3168}
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