?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
dnsp: Parse TXT records
[Samba/gebeck_regimport.git] / source3 / smbd / nttrans.c
blob40a47fde5c87c8c4ca93921cdaf693fbb8831565
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 #include "fake_file.h"
24 #include "../librpc/gen_ndr/ndr_security.h"
25
26 extern const struct generic_mapping file_generic_mapping;
27
28 static char *nttrans_realloc(char **ptr, size_t size)
29 {
30 if (ptr==NULL) {
31 smb_panic("nttrans_realloc() called with NULL ptr");
32 }
33
34 *ptr = (char *)SMB_REALLOC(*ptr, size);
35 if(*ptr == NULL) {
36 return NULL;
37 }
38 memset(*ptr,'\0',size);
39 return *ptr;
40 }
41
42 /****************************************************************************
43 Send the required number of replies back.
44 We assume all fields other than the data fields are
45 set correctly for the type of call.
46 HACK ! Always assumes smb_setup field is zero.
47 ****************************************************************************/
48
49 void send_nt_replies(connection_struct *conn,
50 struct smb_request *req, NTSTATUS nt_error,
51 char *params, int paramsize,
52 char *pdata, int datasize)
53 {
54 int data_to_send = datasize;
55 int params_to_send = paramsize;
56 int useable_space;
57 char *pp = params;
58 char *pd = pdata;
59 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
60 int alignment_offset = 3;
61 int data_alignment_offset = 0;
62 struct smbd_server_connection *sconn = req->sconn;
63 int max_send = sconn->smb1.sessions.max_send;
64
65 /*
66 * If there genuinely are no parameters or data to send just send
67 * the empty packet.
68 */
69
70 if(params_to_send == 0 && data_to_send == 0) {
71 reply_outbuf(req, 18, 0);
72 if (NT_STATUS_V(nt_error)) {
73 error_packet_set((char *)req->outbuf,
74 0, 0, nt_error,
75 __LINE__,__FILE__);
76 }
77 show_msg((char *)req->outbuf);
78 if (!srv_send_smb(sconn,
79 (char *)req->outbuf,
80 true, req->seqnum+1,
81 IS_CONN_ENCRYPTED(conn),
82 &req->pcd)) {
83 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
84 }
85 TALLOC_FREE(req->outbuf);
86 return;
87 }
88
89 /*
90 * When sending params and data ensure that both are nicely aligned.
91 * Only do this alignment when there is also data to send - else
92 * can cause NT redirector problems.
93 */
94
95 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
96 data_alignment_offset = 4 - (params_to_send % 4);
97 }
98
99 /*
100 * Space is bufsize minus Netbios over TCP header minus SMB header.
101 * The alignment_offset is to align the param bytes on a four byte
102 * boundary (2 bytes for data len, one byte pad).
103 * NT needs this to work correctly.
104 */
105
106 useable_space = max_send - (smb_size
107 + 2 * 18 /* wct */
108 + alignment_offset
109 + data_alignment_offset);
110
111 if (useable_space < 0) {
112 char *msg = talloc_asprintf(
113 talloc_tos(),
114 "send_nt_replies failed sanity useable_space = %d!!!",
115 useable_space);
116 DEBUG(0, ("%s\n", msg));
117 exit_server_cleanly(msg);
118 }
119
120 while (params_to_send || data_to_send) {
121
122 /*
123 * Calculate whether we will totally or partially fill this packet.
124 */
125
126 total_sent_thistime = params_to_send + data_to_send;
127
128 /*
129 * We can never send more than useable_space.
130 */
131
132 total_sent_thistime = MIN(total_sent_thistime, useable_space);
133
134 reply_outbuf(req, 18,
135 total_sent_thistime + alignment_offset
136 + data_alignment_offset);
137
138 /*
139 * We might have had SMBnttranss in req->inbuf, fix that.
140 */
141 SCVAL(req->outbuf, smb_com, SMBnttrans);
142
143 /*
144 * Set total params and data to be sent.
145 */
146
147 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
148 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
149
150 /*
151 * Calculate how many parameters and data we can fit into
152 * this packet. Parameters get precedence.
153 */
154
155 params_sent_thistime = MIN(params_to_send,useable_space);
156 data_sent_thistime = useable_space - params_sent_thistime;
157 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
158
159 SIVAL(req->outbuf, smb_ntr_ParameterCount,
160 params_sent_thistime);
161
162 if(params_sent_thistime == 0) {
163 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
164 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
165 } else {
166 /*
167 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
168 * parameter bytes, however the first 4 bytes of outbuf are
169 * the Netbios over TCP header. Thus use smb_base() to subtract
170 * them from the calculation.
171 */
172
173 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
174 ((smb_buf(req->outbuf)+alignment_offset)
175 - smb_base(req->outbuf)));
176 /*
177 * Absolute displacement of param bytes sent in this packet.
178 */
179
180 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
181 pp - params);
182 }
183
184 /*
185 * Deal with the data portion.
186 */
187
188 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
189
190 if(data_sent_thistime == 0) {
191 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
192 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
193 } else {
194 /*
195 * The offset of the data bytes is the offset of the
196 * parameter bytes plus the number of parameters being sent this time.
197 */
198
199 SIVAL(req->outbuf, smb_ntr_DataOffset,
200 ((smb_buf(req->outbuf)+alignment_offset) -
201 smb_base(req->outbuf))
202 + params_sent_thistime + data_alignment_offset);
203 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
204 }
205
206 /*
207 * Copy the param bytes into the packet.
208 */
209
210 if(params_sent_thistime) {
211 if (alignment_offset != 0) {
212 memset(smb_buf(req->outbuf), 0,
213 alignment_offset);
214 }
215 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
216 params_sent_thistime);
217 }
218
219 /*
220 * Copy in the data bytes
221 */
222
223 if(data_sent_thistime) {
224 if (data_alignment_offset != 0) {
225 memset((smb_buf(req->outbuf)+alignment_offset+
226 params_sent_thistime), 0,
227 data_alignment_offset);
228 }
229 memcpy(smb_buf(req->outbuf)+alignment_offset
230 +params_sent_thistime+data_alignment_offset,
231 pd,data_sent_thistime);
232 }
233
234 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
235 params_sent_thistime, data_sent_thistime, useable_space));
236 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
237 params_to_send, data_to_send, paramsize, datasize));
238
239 if (NT_STATUS_V(nt_error)) {
240 error_packet_set((char *)req->outbuf,
241 0, 0, nt_error,
242 __LINE__,__FILE__);
243 }
244
245 /* Send the packet */
246 show_msg((char *)req->outbuf);
247 if (!srv_send_smb(sconn,
248 (char *)req->outbuf,
249 true, req->seqnum+1,
250 IS_CONN_ENCRYPTED(conn),
251 &req->pcd)) {
252 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
253 }
254
255 TALLOC_FREE(req->outbuf);
256
257 pp += params_sent_thistime;
258 pd += data_sent_thistime;
259
260 params_to_send -= params_sent_thistime;
261 data_to_send -= data_sent_thistime;
262
263 /*
264 * Sanity check
265 */
266
267 if(params_to_send < 0 || data_to_send < 0) {
268 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
269 params_to_send, data_to_send));
270 exit_server_cleanly("send_nt_replies: internal error");
271 }
272 }
273 }
274
275 /****************************************************************************
276 Reply to an NT create and X call on a pipe
277 ****************************************************************************/
278
279 static void nt_open_pipe(char *fname, connection_struct *conn,
280 struct smb_request *req, int *ppnum)
281 {
282 files_struct *fsp;
283 NTSTATUS status;
284
285 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
286
287 /* Strip \\ off the name. */
288 fname++;
289
290 status = open_np_file(req, fname, &fsp);
291 if (!NT_STATUS_IS_OK(status)) {
292 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
293 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
294 ERRDOS, ERRbadpipe);
295 return;
296 }
297 reply_nterror(req, status);
298 return;
299 }
300
301 *ppnum = fsp->fnum;
302 return;
303 }
304
305 /****************************************************************************
306 Reply to an NT create and X call for pipes.
307 ****************************************************************************/
308
309 static void do_ntcreate_pipe_open(connection_struct *conn,
310 struct smb_request *req)
311 {
312 char *fname = NULL;
313 int pnum = -1;
314 char *p = NULL;
315 uint32 flags = IVAL(req->vwv+3, 1);
316 TALLOC_CTX *ctx = talloc_tos();
317
318 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
319
320 if (!fname) {
321 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
322 ERRDOS, ERRbadpipe);
323 return;
324 }
325 nt_open_pipe(fname, conn, req, &pnum);
326
327 if (req->outbuf) {
328 /* error reply */
329 return;
330 }
331
332 /*
333 * Deal with pipe return.
334 */
335
336 if (flags & EXTENDED_RESPONSE_REQUIRED) {
337 /* This is very strange. We
338 * return 50 words, but only set
339 * the wcnt to 42 ? It's definately
340 * what happens on the wire....
341 */
342 reply_outbuf(req, 50, 0);
343 SCVAL(req->outbuf,smb_wct,42);
344 } else {
345 reply_outbuf(req, 34, 0);
346 }
347
348 p = (char *)req->outbuf + smb_vwv2;
349 p++;
350 SSVAL(p,0,pnum);
351 p += 2;
352 SIVAL(p,0,FILE_WAS_OPENED);
353 p += 4;
354 p += 32;
355 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
356 p += 20;
357 /* File type. */
358 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
359 /* Device state. */
360 SSVAL(p,2, 0x5FF); /* ? */
361 p += 4;
362
363 if (flags & EXTENDED_RESPONSE_REQUIRED) {
364 p += 25;
365 SIVAL(p,0,FILE_GENERIC_ALL);
366 /*
367 * For pipes W2K3 seems to return
368 * 0x12019B next.
369 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
370 */
371 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
372 }
373
374 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
375
376 chain_reply(req);
377 }
378
379 struct case_semantics_state {
380 connection_struct *conn;
381 bool case_sensitive;
382 bool case_preserve;
383 bool short_case_preserve;
384 };
385
386 /****************************************************************************
387 Restore case semantics.
388 ****************************************************************************/
389
390 static int restore_case_semantics(struct case_semantics_state *state)
391 {
392 state->conn->case_sensitive = state->case_sensitive;
393 state->conn->case_preserve = state->case_preserve;
394 state->conn->short_case_preserve = state->short_case_preserve;
395 return 0;
396 }
397
398 /****************************************************************************
399 Save case semantics.
400 ****************************************************************************/
401
402 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
403 connection_struct *conn)
404 {
405 struct case_semantics_state *result;
406
407 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
408 return NULL;
409 }
410
411 result->conn = conn;
412 result->case_sensitive = conn->case_sensitive;
413 result->case_preserve = conn->case_preserve;
414 result->short_case_preserve = conn->short_case_preserve;
415
416 /* Set to POSIX. */
417 conn->case_sensitive = True;
418 conn->case_preserve = True;
419 conn->short_case_preserve = True;
420
421 talloc_set_destructor(result, restore_case_semantics);
422
423 return result;
424 }
425
426 /****************************************************************************
427 Reply to an NT create and X call.
428 ****************************************************************************/
429
430 void reply_ntcreate_and_X(struct smb_request *req)
431 {
432 connection_struct *conn = req->conn;
433 struct smb_filename *smb_fname = NULL;
434 char *fname = NULL;
435 uint32 flags;
436 uint32 access_mask;
437 uint32 file_attributes;
438 uint32 share_access;
439 uint32 create_disposition;
440 uint32 create_options;
441 uint16 root_dir_fid;
442 uint64_t allocation_size;
443 /* Breakout the oplock request bits so we can set the
444 reply bits separately. */
445 uint32 fattr=0;
446 SMB_OFF_T file_len = 0;
447 int info = 0;
448 files_struct *fsp = NULL;
449 char *p = NULL;
450 struct timespec create_timespec;
451 struct timespec c_timespec;
452 struct timespec a_timespec;
453 struct timespec m_timespec;
454 struct timespec write_time_ts;
455 NTSTATUS status;
456 int oplock_request;
457 uint8_t oplock_granted = NO_OPLOCK_RETURN;
458 struct case_semantics_state *case_state = NULL;
459 TALLOC_CTX *ctx = talloc_tos();
460
461 START_PROFILE(SMBntcreateX);
462
463 if (req->wct < 24) {
464 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
465 goto out;
466 }
467
468 flags = IVAL(req->vwv+3, 1);
469 access_mask = IVAL(req->vwv+7, 1);
470 file_attributes = IVAL(req->vwv+13, 1);
471 share_access = IVAL(req->vwv+15, 1);
472 create_disposition = IVAL(req->vwv+17, 1);
473 create_options = IVAL(req->vwv+19, 1);
474 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
475
476 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
477 #ifdef LARGE_SMB_OFF_T
478 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
479 #endif
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, 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;
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 = SMB_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 Internal fn to set security descriptors.
831 ****************************************************************************/
832
833 NTSTATUS set_sd(files_struct *fsp, uint8_t *data, uint32_t sd_len,
834 uint32_t security_info_sent)
835 {
836 struct security_descriptor *psd = NULL;
837 NTSTATUS status;
838
839 if (!CAN_WRITE(fsp->conn)) {
840 return NT_STATUS_ACCESS_DENIED;
841 }
842
843 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
844 return NT_STATUS_OK;
845 }
846
847 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
848
849 if (!NT_STATUS_IS_OK(status)) {
850 return status;
851 }
852
853 if (psd->owner_sid == NULL) {
854 security_info_sent &= ~SECINFO_OWNER;
855 }
856 if (psd->group_sid == NULL) {
857 security_info_sent &= ~SECINFO_GROUP;
858 }
859
860 /* Convert all the generic bits. */
861 security_acl_map_generic(psd->dacl, &file_generic_mapping);
862 security_acl_map_generic(psd->sacl, &file_generic_mapping);
863
864 if (DEBUGLEVEL >= 10) {
865 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
866 NDR_PRINT_DEBUG(security_descriptor, psd);
867 }
868
869 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
870
871 TALLOC_FREE(psd);
872
873 return status;
874 }
875
876 /****************************************************************************
877 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
878 ****************************************************************************/
879
880 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
881 {
882 struct ea_list *ea_list_head = NULL;
883 size_t offset = 0;
884
885 if (data_size < 4) {
886 return NULL;
887 }
888
889 while (offset + 4 <= data_size) {
890 size_t next_offset = IVAL(pdata,offset);
891 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
892
893 if (!eal) {
894 return NULL;
895 }
896
897 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
898 if (next_offset == 0) {
899 break;
900 }
901 offset += next_offset;
902 }
903
904 return ea_list_head;
905 }
906
907 /****************************************************************************
908 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
909 ****************************************************************************/
910
911 static void call_nt_transact_create(connection_struct *conn,
912 struct smb_request *req,
913 uint16 **ppsetup, uint32 setup_count,
914 char **ppparams, uint32 parameter_count,
915 char **ppdata, uint32 data_count,
916 uint32 max_data_count)
917 {
918 struct smb_filename *smb_fname = NULL;
919 char *fname = NULL;
920 char *params = *ppparams;
921 char *data = *ppdata;
922 /* Breakout the oplock request bits so we can set the reply bits separately. */
923 uint32 fattr=0;
924 SMB_OFF_T file_len = 0;
925 int info = 0;
926 files_struct *fsp = NULL;
927 char *p = NULL;
928 uint32 flags;
929 uint32 access_mask;
930 uint32 file_attributes;
931 uint32 share_access;
932 uint32 create_disposition;
933 uint32 create_options;
934 uint32 sd_len;
935 struct security_descriptor *sd = NULL;
936 uint32 ea_len;
937 uint16 root_dir_fid;
938 struct timespec create_timespec;
939 struct timespec c_timespec;
940 struct timespec a_timespec;
941 struct timespec m_timespec;
942 struct timespec write_time_ts;
943 struct ea_list *ea_list = NULL;
944 NTSTATUS status;
945 size_t param_len;
946 uint64_t allocation_size;
947 int oplock_request;
948 uint8_t oplock_granted;
949 struct case_semantics_state *case_state = NULL;
950 TALLOC_CTX *ctx = talloc_tos();
951
952 DEBUG(5,("call_nt_transact_create\n"));
953
954 /*
955 * If it's an IPC, use the pipe handler.
956 */
957
958 if (IS_IPC(conn)) {
959 if (lp_nt_pipe_support()) {
960 do_nt_transact_create_pipe(
961 conn, req,
962 ppsetup, setup_count,
963 ppparams, parameter_count,
964 ppdata, data_count);
965 goto out;
966 }
967 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
968 goto out;
969 }
970
971 /*
972 * Ensure minimum number of parameters sent.
973 */
974
975 if(parameter_count < 54) {
976 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
977 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
978 goto out;
979 }
980
981 flags = IVAL(params,0);
982 access_mask = IVAL(params,8);
983 file_attributes = IVAL(params,20);
984 share_access = IVAL(params,24);
985 create_disposition = IVAL(params,28);
986 create_options = IVAL(params,32);
987 sd_len = IVAL(params,36);
988 ea_len = IVAL(params,40);
989 root_dir_fid = (uint16)IVAL(params,4);
990 allocation_size = (uint64_t)IVAL(params,12);
991 #ifdef LARGE_SMB_OFF_T
992 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
993 #endif
994
995 /*
996 * we need to remove ignored bits when they come directly from the client
997 * because we reuse some of them for internal stuff
998 */
999 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1000
1001 /* Ensure the data_len is correct for the sd and ea values given. */
1002 if ((ea_len + sd_len > data_count)
1003 || (ea_len > data_count) || (sd_len > data_count)
1004 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1005 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1006 "%u, data_count = %u\n", (unsigned int)ea_len,
1007 (unsigned int)sd_len, (unsigned int)data_count));
1008 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1009 goto out;
1010 }
1011
1012 if (sd_len) {
1013 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1014 sd_len));
1015
1016 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1017 &sd);
1018 if (!NT_STATUS_IS_OK(status)) {
1019 DEBUG(10, ("call_nt_transact_create: "
1020 "unmarshall_sec_desc failed: %s\n",
1021 nt_errstr(status)));
1022 reply_nterror(req, status);
1023 goto out;
1024 }
1025 }
1026
1027 if (ea_len) {
1028 if (!lp_ea_support(SNUM(conn))) {
1029 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1030 "EA's not supported.\n",
1031 (unsigned int)ea_len));
1032 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1033 goto out;
1034 }
1035
1036 if (ea_len < 10) {
1037 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1038 "too small (should be more than 10)\n",
1039 (unsigned int)ea_len ));
1040 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1041 goto out;
1042 }
1043
1044 /* We have already checked that ea_len <= data_count here. */
1045 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1046 ea_len);
1047 if (ea_list == NULL) {
1048 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1049 goto out;
1050 }
1051 }
1052
1053 srvstr_get_path(ctx, params, req->flags2, &fname,
1054 params+53, parameter_count-53,
1055 STR_TERMINATE, &status);
1056 if (!NT_STATUS_IS_OK(status)) {
1057 reply_nterror(req, status);
1058 goto out;
1059 }
1060
1061 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1062 case_state = set_posix_case_semantics(ctx, conn);
1063 if (!case_state) {
1064 reply_nterror(req, NT_STATUS_NO_MEMORY);
1065 goto out;
1066 }
1067 }
1068
1069 status = filename_convert(ctx,
1070 conn,
1071 req->flags2 & FLAGS2_DFS_PATHNAMES,
1072 fname,
1073 0,
1074 NULL,
1075 &smb_fname);
1076
1077 TALLOC_FREE(case_state);
1078
1079 if (!NT_STATUS_IS_OK(status)) {
1080 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1081 reply_botherror(req,
1082 NT_STATUS_PATH_NOT_COVERED,
1083 ERRSRV, ERRbadpath);
1084 goto out;
1085 }
1086 reply_nterror(req, status);
1087 goto out;
1088 }
1089
1090 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1091 if (oplock_request) {
1092 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1093 ? BATCH_OPLOCK : 0;
1094 }
1095
1096 /*
1097 * Bug #6898 - clients using Windows opens should
1098 * never be able to set this attribute into the
1099 * VFS.
1100 */
1101 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1102
1103 status = SMB_VFS_CREATE_FILE(
1104 conn, /* conn */
1105 req, /* req */
1106 root_dir_fid, /* root_dir_fid */
1107 smb_fname, /* fname */
1108 access_mask, /* access_mask */
1109 share_access, /* share_access */
1110 create_disposition, /* create_disposition*/
1111 create_options, /* create_options */
1112 file_attributes, /* file_attributes */
1113 oplock_request, /* oplock_request */
1114 allocation_size, /* allocation_size */
1115 0, /* private_flags */
1116 sd, /* sd */
1117 ea_list, /* ea_list */
1118 &fsp, /* result */
1119 &info); /* pinfo */
1120
1121 if(!NT_STATUS_IS_OK(status)) {
1122 if (open_was_deferred(req->mid)) {
1123 /* We have re-scheduled this call, no error. */
1124 return;
1125 }
1126 reply_openerror(req, status);
1127 goto out;
1128 }
1129
1130 /* Ensure we're pointing at the correct stat struct. */
1131 TALLOC_FREE(smb_fname);
1132 smb_fname = fsp->fsp_name;
1133
1134 /*
1135 * If the caller set the extended oplock request bit
1136 * and we granted one (by whatever means) - set the
1137 * correct bit for extended oplock reply.
1138 */
1139
1140 if (oplock_request &&
1141 (lp_fake_oplocks(SNUM(conn))
1142 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1143
1144 /*
1145 * Exclusive oplock granted
1146 */
1147
1148 if (flags & REQUEST_BATCH_OPLOCK) {
1149 oplock_granted = BATCH_OPLOCK_RETURN;
1150 } else {
1151 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1152 }
1153 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1154 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1155 } else {
1156 oplock_granted = NO_OPLOCK_RETURN;
1157 }
1158
1159 file_len = smb_fname->st.st_ex_size;
1160
1161 /* Realloc the size of parameters and data we will return */
1162 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1163 /* Extended response is 32 more byyes. */
1164 param_len = 101;
1165 } else {
1166 param_len = 69;
1167 }
1168 params = nttrans_realloc(ppparams, param_len);
1169 if(params == NULL) {
1170 reply_nterror(req, NT_STATUS_NO_MEMORY);
1171 goto out;
1172 }
1173
1174 p = params;
1175 SCVAL(p, 0, oplock_granted);
1176
1177 p += 2;
1178 SSVAL(p,0,fsp->fnum);
1179 p += 2;
1180 if ((create_disposition == FILE_SUPERSEDE)
1181 && (info == FILE_WAS_OVERWRITTEN)) {
1182 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1183 } else {
1184 SIVAL(p,0,info);
1185 }
1186 p += 8;
1187
1188 fattr = dos_mode(conn, smb_fname);
1189 if (fattr == 0) {
1190 fattr = FILE_ATTRIBUTE_NORMAL;
1191 }
1192
1193 /* Deal with other possible opens having a modified
1194 write time. JRA. */
1195 ZERO_STRUCT(write_time_ts);
1196 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1197 if (!null_timespec(write_time_ts)) {
1198 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1199 }
1200
1201 /* Create time. */
1202 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1203 a_timespec = smb_fname->st.st_ex_atime;
1204 m_timespec = smb_fname->st.st_ex_mtime;
1205 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1206
1207 if (lp_dos_filetime_resolution(SNUM(conn))) {
1208 dos_filetime_timespec(&create_timespec);
1209 dos_filetime_timespec(&a_timespec);
1210 dos_filetime_timespec(&m_timespec);
1211 dos_filetime_timespec(&c_timespec);
1212 }
1213
1214 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1215 p += 8;
1216 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1217 p += 8;
1218 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1219 p += 8;
1220 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1221 p += 8;
1222 SIVAL(p,0,fattr); /* File Attributes. */
1223 p += 4;
1224 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1225 p += 8;
1226 SOFF_T(p,0,file_len);
1227 p += 8;
1228 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1229 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1230 size_t num_names = 0;
1231 unsigned int num_streams;
1232 struct stream_struct *streams = NULL;
1233
1234 /* Do we have any EA's ? */
1235 status = get_ea_names_from_file(ctx, conn, fsp,
1236 smb_fname->base_name, NULL, &num_names);
1237 if (NT_STATUS_IS_OK(status) && num_names) {
1238 file_status &= ~NO_EAS;
1239 }
1240 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1241 &num_streams, &streams);
1242 /* There is always one stream, ::$DATA. */
1243 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1244 file_status &= ~NO_SUBSTREAMS;
1245 }
1246 TALLOC_FREE(streams);
1247 SSVAL(p,2,file_status);
1248 }
1249 p += 4;
1250 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1251
1252 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1253 uint32 perms = 0;
1254 p += 25;
1255 if (fsp->is_directory ||
1256 can_write_to_file(conn, smb_fname)) {
1257 perms = FILE_GENERIC_ALL;
1258 } else {
1259 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1260 }
1261 SIVAL(p,0,perms);
1262 }
1263
1264 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1265 smb_fname_str_dbg(smb_fname)));
1266
1267 /* Send the required number of replies */
1268 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1269 out:
1270 return;
1271 }
1272
1273 /****************************************************************************
1274 Reply to a NT CANCEL request.
1275 conn POINTER CAN BE NULL HERE !
1276 ****************************************************************************/
1277
1278 void reply_ntcancel(struct smb_request *req)
1279 {
1280 /*
1281 * Go through and cancel any pending change notifies.
1282 */
1283
1284 START_PROFILE(SMBntcancel);
1285 srv_cancel_sign_response(req->sconn);
1286 remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1287 remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1288
1289 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1290 (unsigned long long)req->mid));
1291
1292 END_PROFILE(SMBntcancel);
1293 return;
1294 }
1295
1296 /****************************************************************************
1297 Copy a file.
1298 ****************************************************************************/
1299
1300 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1301 connection_struct *conn,
1302 struct smb_request *req,
1303 struct smb_filename *smb_fname_src,
1304 struct smb_filename *smb_fname_dst,
1305 uint32 attrs)
1306 {
1307 files_struct *fsp1,*fsp2;
1308 uint32 fattr;
1309 int info;
1310 SMB_OFF_T ret=-1;
1311 NTSTATUS status = NT_STATUS_OK;
1312 char *parent;
1313
1314 if (!CAN_WRITE(conn)) {
1315 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1316 goto out;
1317 }
1318
1319 /* Source must already exist. */
1320 if (!VALID_STAT(smb_fname_src->st)) {
1321 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1322 goto out;
1323 }
1324
1325 /* Ensure attributes match. */
1326 fattr = dos_mode(conn, smb_fname_src);
1327 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1328 status = NT_STATUS_NO_SUCH_FILE;
1329 goto out;
1330 }
1331
1332 /* Disallow if dst file already exists. */
1333 if (VALID_STAT(smb_fname_dst->st)) {
1334 status = NT_STATUS_OBJECT_NAME_COLLISION;
1335 goto out;
1336 }
1337
1338 /* No links from a directory. */
1339 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1340 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1341 goto out;
1342 }
1343
1344 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1345 smb_fname_str_dbg(smb_fname_src),
1346 smb_fname_str_dbg(smb_fname_dst)));
1347
1348 status = SMB_VFS_CREATE_FILE(
1349 conn, /* conn */
1350 req, /* req */
1351 0, /* root_dir_fid */
1352 smb_fname_src, /* fname */
1353 FILE_READ_DATA, /* access_mask */
1354 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1355 FILE_SHARE_DELETE),
1356 FILE_OPEN, /* create_disposition*/
1357 0, /* create_options */
1358 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1359 NO_OPLOCK, /* oplock_request */
1360 0, /* allocation_size */
1361 0, /* private_flags */
1362 NULL, /* sd */
1363 NULL, /* ea_list */
1364 &fsp1, /* result */
1365 &info); /* pinfo */
1366
1367 if (!NT_STATUS_IS_OK(status)) {
1368 goto out;
1369 }
1370
1371 status = SMB_VFS_CREATE_FILE(
1372 conn, /* conn */
1373 req, /* req */
1374 0, /* root_dir_fid */
1375 smb_fname_dst, /* fname */
1376 FILE_WRITE_DATA, /* access_mask */
1377 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1378 FILE_SHARE_DELETE),
1379 FILE_CREATE, /* create_disposition*/
1380 0, /* create_options */
1381 fattr, /* file_attributes */
1382 NO_OPLOCK, /* oplock_request */
1383 0, /* allocation_size */
1384 0, /* private_flags */
1385 NULL, /* sd */
1386 NULL, /* ea_list */
1387 &fsp2, /* result */
1388 &info); /* pinfo */
1389
1390 if (!NT_STATUS_IS_OK(status)) {
1391 close_file(NULL, fsp1, ERROR_CLOSE);
1392 goto out;
1393 }
1394
1395 if (smb_fname_src->st.st_ex_size) {
1396 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1397 }
1398
1399 /*
1400 * As we are opening fsp1 read-only we only expect
1401 * an error on close on fsp2 if we are out of space.
1402 * Thus we don't look at the error return from the
1403 * close of fsp1.
1404 */
1405 close_file(NULL, fsp1, NORMAL_CLOSE);
1406
1407 /* Ensure the modtime is set correctly on the destination file. */
1408 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1409
1410 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1411
1412 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1413 creates the file. This isn't the correct thing to do in the copy
1414 case. JRA */
1415 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1416 NULL)) {
1417 status = NT_STATUS_NO_MEMORY;
1418 goto out;
1419 }
1420 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1421 TALLOC_FREE(parent);
1422
1423 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1424 status = NT_STATUS_DISK_FULL;
1425 goto out;
1426 }
1427 out:
1428 if (!NT_STATUS_IS_OK(status)) {
1429 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1430 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1431 smb_fname_str_dbg(smb_fname_dst)));
1432 }
1433
1434 return status;
1435 }
1436
1437 /****************************************************************************
1438 Reply to a NT rename request.
1439 ****************************************************************************/
1440
1441 void reply_ntrename(struct smb_request *req)
1442 {
1443 connection_struct *conn = req->conn;
1444 struct smb_filename *smb_fname_old = NULL;
1445 struct smb_filename *smb_fname_new = NULL;
1446 char *oldname = NULL;
1447 char *newname = NULL;
1448 const char *p;
1449 NTSTATUS status;
1450 bool src_has_wcard = False;
1451 bool dest_has_wcard = False;
1452 uint32 attrs;
1453 uint32_t ucf_flags_src = 0;
1454 uint32_t ucf_flags_dst = 0;
1455 uint16 rename_type;
1456 TALLOC_CTX *ctx = talloc_tos();
1457
1458 START_PROFILE(SMBntrename);
1459
1460 if (req->wct < 4) {
1461 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1462 goto out;
1463 }
1464
1465 attrs = SVAL(req->vwv+0, 0);
1466 rename_type = SVAL(req->vwv+1, 0);
1467
1468 p = (const char *)req->buf + 1;
1469 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1470 &status, &src_has_wcard);
1471 if (!NT_STATUS_IS_OK(status)) {
1472 reply_nterror(req, status);
1473 goto out;
1474 }
1475
1476 if (ms_has_wild(oldname)) {
1477 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1478 goto out;
1479 }
1480
1481 p++;
1482 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1483 &status, &dest_has_wcard);
1484 if (!NT_STATUS_IS_OK(status)) {
1485 reply_nterror(req, status);
1486 goto out;
1487 }
1488
1489 /* The newname must begin with a ':' if the oldname contains a ':'. */
1490 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1491 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1492 goto out;
1493 }
1494
1495 /*
1496 * If this is a rename operation, allow wildcards and save the
1497 * destination's last component.
1498 */
1499 if (rename_type == RENAME_FLAG_RENAME) {
1500 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1501 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1502 }
1503
1504 /* rename_internals() calls unix_convert(), so don't call it here. */
1505 status = filename_convert(ctx, conn,
1506 req->flags2 & FLAGS2_DFS_PATHNAMES,
1507 oldname,
1508 ucf_flags_src,
1509 NULL,
1510 &smb_fname_old);
1511 if (!NT_STATUS_IS_OK(status)) {
1512 if (NT_STATUS_EQUAL(status,
1513 NT_STATUS_PATH_NOT_COVERED)) {
1514 reply_botherror(req,
1515 NT_STATUS_PATH_NOT_COVERED,
1516 ERRSRV, ERRbadpath);
1517 goto out;
1518 }
1519 reply_nterror(req, status);
1520 goto out;
1521 }
1522
1523 status = filename_convert(ctx, conn,
1524 req->flags2 & FLAGS2_DFS_PATHNAMES,
1525 newname,
1526 ucf_flags_dst,
1527 &dest_has_wcard,
1528 &smb_fname_new);
1529 if (!NT_STATUS_IS_OK(status)) {
1530 if (NT_STATUS_EQUAL(status,
1531 NT_STATUS_PATH_NOT_COVERED)) {
1532 reply_botherror(req,
1533 NT_STATUS_PATH_NOT_COVERED,
1534 ERRSRV, ERRbadpath);
1535 goto out;
1536 }
1537 reply_nterror(req, status);
1538 goto out;
1539 }
1540
1541 DEBUG(3,("reply_ntrename: %s -> %s\n",
1542 smb_fname_str_dbg(smb_fname_old),
1543 smb_fname_str_dbg(smb_fname_new)));
1544
1545 switch(rename_type) {
1546 case RENAME_FLAG_RENAME:
1547 status = rename_internals(ctx, conn, req,
1548 smb_fname_old, smb_fname_new,
1549 attrs, False, src_has_wcard,
1550 dest_has_wcard,
1551 DELETE_ACCESS);
1552 break;
1553 case RENAME_FLAG_HARD_LINK:
1554 if (src_has_wcard || dest_has_wcard) {
1555 /* No wildcards. */
1556 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1557 } else {
1558 status = hardlink_internals(ctx, conn,
1559 req,
1560 false,
1561 smb_fname_old,
1562 smb_fname_new);
1563 }
1564 break;
1565 case RENAME_FLAG_COPY:
1566 if (src_has_wcard || dest_has_wcard) {
1567 /* No wildcards. */
1568 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1569 } else {
1570 status = copy_internals(ctx, conn, req,
1571 smb_fname_old,
1572 smb_fname_new,
1573 attrs);
1574 }
1575 break;
1576 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1577 status = NT_STATUS_INVALID_PARAMETER;
1578 break;
1579 default:
1580 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1581 break;
1582 }
1583
1584 if (!NT_STATUS_IS_OK(status)) {
1585 if (open_was_deferred(req->mid)) {
1586 /* We have re-scheduled this call. */
1587 goto out;
1588 }
1589
1590 reply_nterror(req, status);
1591 goto out;
1592 }
1593
1594 reply_outbuf(req, 0, 0);
1595 out:
1596 END_PROFILE(SMBntrename);
1597 return;
1598 }
1599
1600 /****************************************************************************
1601 Reply to a notify change - queue the request and
1602 don't allow a directory to be opened.
1603 ****************************************************************************/
1604
1605 static void smbd_smb1_notify_reply(struct smb_request *req,
1606 NTSTATUS error_code,
1607 uint8_t *buf, size_t len)
1608 {
1609 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1610 }
1611
1612 static void call_nt_transact_notify_change(connection_struct *conn,
1613 struct smb_request *req,
1614 uint16 **ppsetup,
1615 uint32 setup_count,
1616 char **ppparams,
1617 uint32 parameter_count,
1618 char **ppdata, uint32 data_count,
1619 uint32 max_data_count,
1620 uint32 max_param_count)
1621 {
1622 uint16 *setup = *ppsetup;
1623 files_struct *fsp;
1624 uint32 filter;
1625 NTSTATUS status;
1626 bool recursive;
1627
1628 if(setup_count < 6) {
1629 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1630 return;
1631 }
1632
1633 fsp = file_fsp(req, SVAL(setup,4));
1634 filter = IVAL(setup, 0);
1635 recursive = (SVAL(setup, 6) != 0) ? True : False;
1636
1637 DEBUG(3,("call_nt_transact_notify_change\n"));
1638
1639 if(!fsp) {
1640 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1641 return;
1642 }
1643
1644 {
1645 char *filter_string;
1646
1647 if (!(filter_string = notify_filter_string(NULL, filter))) {
1648 reply_nterror(req,NT_STATUS_NO_MEMORY);
1649 return;
1650 }
1651
1652 DEBUG(3,("call_nt_transact_notify_change: notify change "
1653 "called on %s, filter = %s, recursive = %d\n",
1654 fsp_str_dbg(fsp), filter_string, recursive));
1655
1656 TALLOC_FREE(filter_string);
1657 }
1658
1659 if((!fsp->is_directory) || (conn != fsp->conn)) {
1660 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1661 return;
1662 }
1663
1664 if (fsp->notify == NULL) {
1665
1666 status = change_notify_create(fsp, filter, recursive);
1667
1668 if (!NT_STATUS_IS_OK(status)) {
1669 DEBUG(10, ("change_notify_create returned %s\n",
1670 nt_errstr(status)));
1671 reply_nterror(req, status);
1672 return;
1673 }
1674 }
1675
1676 if (fsp->notify->num_changes != 0) {
1677
1678 /*
1679 * We've got changes pending, respond immediately
1680 */
1681
1682 /*
1683 * TODO: write a torture test to check the filtering behaviour
1684 * here.
1685 */
1686
1687 change_notify_reply(req,
1688 NT_STATUS_OK,
1689 max_param_count,
1690 fsp->notify,
1691 smbd_smb1_notify_reply);
1692
1693 /*
1694 * change_notify_reply() above has independently sent its
1695 * results
1696 */
1697 return;
1698 }
1699
1700 /*
1701 * No changes pending, queue the request
1702 */
1703
1704 status = change_notify_add_request(req,
1705 max_param_count,
1706 filter,
1707 recursive, fsp,
1708 smbd_smb1_notify_reply);
1709 if (!NT_STATUS_IS_OK(status)) {
1710 reply_nterror(req, status);
1711 }
1712 return;
1713 }
1714
1715 /****************************************************************************
1716 Reply to an NT transact rename command.
1717 ****************************************************************************/
1718
1719 static void call_nt_transact_rename(connection_struct *conn,
1720 struct smb_request *req,
1721 uint16 **ppsetup, uint32 setup_count,
1722 char **ppparams, uint32 parameter_count,
1723 char **ppdata, uint32 data_count,
1724 uint32 max_data_count)
1725 {
1726 char *params = *ppparams;
1727 char *new_name = NULL;
1728 files_struct *fsp = NULL;
1729 bool dest_has_wcard = False;
1730 NTSTATUS status;
1731 TALLOC_CTX *ctx = talloc_tos();
1732
1733 if(parameter_count < 5) {
1734 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1735 return;
1736 }
1737
1738 fsp = file_fsp(req, SVAL(params, 0));
1739 if (!check_fsp(conn, req, fsp)) {
1740 return;
1741 }
1742 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1743 parameter_count - 4,
1744 STR_TERMINATE, &status, &dest_has_wcard);
1745 if (!NT_STATUS_IS_OK(status)) {
1746 reply_nterror(req, status);
1747 return;
1748 }
1749
1750 /*
1751 * W2K3 ignores this request as the RAW-RENAME test
1752 * demonstrates, so we do.
1753 */
1754 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1755
1756 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1757 fsp_str_dbg(fsp), new_name));
1758
1759 return;
1760 }
1761
1762 /******************************************************************************
1763 Fake up a completely empty SD.
1764 *******************************************************************************/
1765
1766 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1767 {
1768 size_t sd_size;
1769
1770 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1771 if(!*ppsd) {
1772 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1773 return NT_STATUS_NO_MEMORY;
1774 }
1775
1776 return NT_STATUS_OK;
1777 }
1778
1779 /****************************************************************************
1780 Reply to query a security descriptor.
1781 Callable from SMB2 and SMB2.
1782 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1783 the required size.
1784 ****************************************************************************/
1785
1786 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1787 TALLOC_CTX *mem_ctx,
1788 files_struct *fsp,
1789 uint32_t security_info_wanted,
1790 uint32_t max_data_count,
1791 uint8_t **ppmarshalled_sd,
1792 size_t *psd_size)
1793 {
1794 NTSTATUS status;
1795 struct security_descriptor *psd = NULL;
1796
1797 /*
1798 * Get the permissions to return.
1799 */
1800
1801 if (!lp_nt_acl_support(SNUM(conn))) {
1802 status = get_null_nt_acl(mem_ctx, &psd);
1803 } else {
1804 status = SMB_VFS_FGET_NT_ACL(
1805 fsp, security_info_wanted, &psd);
1806 }
1807 if (!NT_STATUS_IS_OK(status)) {
1808 return status;
1809 }
1810
1811 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1812 * present in the reply to match Windows behavior */
1813 if (psd->sacl == NULL &&
1814 security_info_wanted & SECINFO_SACL)
1815 psd->type |= SEC_DESC_SACL_PRESENT;
1816 if (psd->dacl == NULL &&
1817 security_info_wanted & SECINFO_DACL)
1818 psd->type |= SEC_DESC_DACL_PRESENT;
1819
1820 *psd_size = ndr_size_security_descriptor(psd, 0);
1821
1822 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1823 (unsigned long)*psd_size));
1824
1825 if (DEBUGLEVEL >= 10) {
1826 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1827 fsp_str_dbg(fsp)));
1828 NDR_PRINT_DEBUG(security_descriptor, psd);
1829 }
1830
1831 if (max_data_count < *psd_size) {
1832 TALLOC_FREE(psd);
1833 return NT_STATUS_BUFFER_TOO_SMALL;
1834 }
1835
1836 status = marshall_sec_desc(mem_ctx, psd,
1837 ppmarshalled_sd, psd_size);
1838
1839 if (!NT_STATUS_IS_OK(status)) {
1840 TALLOC_FREE(psd);
1841 return status;
1842 }
1843
1844 TALLOC_FREE(psd);
1845 return NT_STATUS_OK;
1846 }
1847
1848 /****************************************************************************
1849 SMB1 reply to query a security descriptor.
1850 ****************************************************************************/
1851
1852 static void call_nt_transact_query_security_desc(connection_struct *conn,
1853 struct smb_request *req,
1854 uint16 **ppsetup,
1855 uint32 setup_count,
1856 char **ppparams,
1857 uint32 parameter_count,
1858 char **ppdata,
1859 uint32 data_count,
1860 uint32 max_data_count)
1861 {
1862 char *params = *ppparams;
1863 char *data = *ppdata;
1864 size_t sd_size = 0;
1865 uint32 security_info_wanted;
1866 files_struct *fsp = NULL;
1867 NTSTATUS status;
1868 uint8_t *marshalled_sd = NULL;
1869
1870 if(parameter_count < 8) {
1871 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1872 return;
1873 }
1874
1875 fsp = file_fsp(req, SVAL(params,0));
1876 if(!fsp) {
1877 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1878 return;
1879 }
1880
1881 security_info_wanted = IVAL(params,4);
1882
1883 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1884 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1885 (unsigned int)security_info_wanted));
1886
1887 params = nttrans_realloc(ppparams, 4);
1888 if(params == NULL) {
1889 reply_nterror(req, NT_STATUS_NO_MEMORY);
1890 return;
1891 }
1892
1893 /*
1894 * Get the permissions to return.
1895 */
1896
1897 status = smbd_do_query_security_desc(conn,
1898 talloc_tos(),
1899 fsp,
1900 security_info_wanted,
1901 max_data_count,
1902 &marshalled_sd,
1903 &sd_size);
1904
1905 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
1906 SIVAL(params,0,(uint32_t)sd_size);
1907 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1908 params, 4, NULL, 0);
1909 return;
1910 }
1911
1912 if (!NT_STATUS_IS_OK(status)) {
1913 reply_nterror(req, status);
1914 return;
1915 }
1916
1917 SMB_ASSERT(sd_size > 0);
1918
1919 SIVAL(params,0,(uint32_t)sd_size);
1920
1921 if (max_data_count < sd_size) {
1922 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1923 params, 4, NULL, 0);
1924 return;
1925 }
1926
1927 /*
1928 * Allocate the data we will return.
1929 */
1930
1931 data = nttrans_realloc(ppdata, sd_size);
1932 if(data == NULL) {
1933 reply_nterror(req, NT_STATUS_NO_MEMORY);
1934 return;
1935 }
1936
1937 memcpy(data, marshalled_sd, sd_size);
1938
1939 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1940
1941 return;
1942 }
1943
1944 /****************************************************************************
1945 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1946 ****************************************************************************/
1947
1948 static void call_nt_transact_set_security_desc(connection_struct *conn,
1949 struct smb_request *req,
1950 uint16 **ppsetup,
1951 uint32 setup_count,
1952 char **ppparams,
1953 uint32 parameter_count,
1954 char **ppdata,
1955 uint32 data_count,
1956 uint32 max_data_count)
1957 {
1958 char *params= *ppparams;
1959 char *data = *ppdata;
1960 files_struct *fsp = NULL;
1961 uint32 security_info_sent = 0;
1962 NTSTATUS status;
1963
1964 if(parameter_count < 8) {
1965 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1966 return;
1967 }
1968
1969 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1970 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1971 return;
1972 }
1973
1974 if (!CAN_WRITE(fsp->conn)) {
1975 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1976 return;
1977 }
1978
1979 if(!lp_nt_acl_support(SNUM(conn))) {
1980 goto done;
1981 }
1982
1983 security_info_sent = IVAL(params,4);
1984
1985 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1986 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1987
1988 if (data_count == 0) {
1989 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1990 return;
1991 }
1992
1993 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1994
1995 if (!NT_STATUS_IS_OK(status)) {
1996 reply_nterror(req, status);
1997 return;
1998 }
1999
2000 done:
2001 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2002 return;
2003 }
2004
2005 /****************************************************************************
2006 Reply to NT IOCTL
2007 ****************************************************************************/
2008
2009 static void call_nt_transact_ioctl(connection_struct *conn,
2010 struct smb_request *req,
2011 uint16 **ppsetup, uint32 setup_count,
2012 char **ppparams, uint32 parameter_count,
2013 char **ppdata, uint32 data_count,
2014 uint32 max_data_count)
2015 {
2016 uint32 function;
2017 uint16 fidnum;
2018 files_struct *fsp;
2019 uint8 isFSctl;
2020 uint8 compfilter;
2021 char *pdata = *ppdata;
2022
2023 if (setup_count != 8) {
2024 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2025 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2026 return;
2027 }
2028
2029 function = IVAL(*ppsetup, 0);
2030 fidnum = SVAL(*ppsetup, 4);
2031 isFSctl = CVAL(*ppsetup, 6);
2032 compfilter = CVAL(*ppsetup, 7);
2033
2034 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2035 function, fidnum, isFSctl, compfilter));
2036
2037 fsp=file_fsp(req, fidnum);
2038 /* this check is done in each implemented function case for now
2039 because I don't want to break anything... --metze
2040 FSP_BELONGS_CONN(fsp,conn);*/
2041
2042 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2043
2044 switch (function) {
2045 case FSCTL_SET_SPARSE:
2046 /* pretend this succeeded - tho strictly we should
2047 mark the file sparse (if the local fs supports it)
2048 so we can know if we need to pre-allocate or not */
2049
2050 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2051 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2052 return;
2053
2054 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2055 {
2056 unsigned char objid[16];
2057
2058 /* This should return the object-id on this file.
2059 * I think I'll make this be the inode+dev. JRA.
2060 */
2061
2062 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2063
2064 if (!check_fsp_open(conn, req, fsp)) {
2065 return;
2066 }
2067
2068 data_count = 64;
2069 pdata = nttrans_realloc(ppdata, data_count);
2070 if (pdata == NULL) {
2071 reply_nterror(req, NT_STATUS_NO_MEMORY);
2072 return;
2073 }
2074
2075 /* For backwards compatibility only store the dev/inode. */
2076 push_file_id_16(pdata, &fsp->file_id);
2077 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2078 push_file_id_16(pdata+32, &fsp->file_id);
2079 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2080 pdata, data_count);
2081 return;
2082 }
2083
2084 case FSCTL_GET_REPARSE_POINT:
2085 /* pretend this fail - my winXP does it like this
2086 * --metze
2087 */
2088
2089 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2090 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2091 return;
2092
2093 case FSCTL_SET_REPARSE_POINT:
2094 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2095 * --metze
2096 */
2097
2098 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2099 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2100 return;
2101
2102 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2103 {
2104 /*
2105 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2106 * and return their volume names. If max_data_count is 16, then it is just
2107 * asking for the number of volumes and length of the combined names.
2108 *
2109 * pdata is the data allocated by our caller, but that uses
2110 * total_data_count (which is 0 in our case) rather than max_data_count.
2111 * Allocate the correct amount and return the pointer to let
2112 * it be deallocated when we return.
2113 */
2114 SHADOW_COPY_DATA *shadow_data = NULL;
2115 TALLOC_CTX *shadow_mem_ctx = NULL;
2116 bool labels = False;
2117 uint32 labels_data_count = 0;
2118 uint32 i;
2119 char *cur_pdata;
2120
2121 if (!check_fsp_open(conn, req, fsp)) {
2122 return;
2123 }
2124
2125 if (max_data_count < 16) {
2126 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2127 max_data_count));
2128 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2129 return;
2130 }
2131
2132 if (max_data_count > 16) {
2133 labels = True;
2134 }
2135
2136 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2137 if (shadow_mem_ctx == NULL) {
2138 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2139 reply_nterror(req, NT_STATUS_NO_MEMORY);
2140 return;
2141 }
2142
2143 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2144 if (shadow_data == NULL) {
2145 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2146 talloc_destroy(shadow_mem_ctx);
2147 reply_nterror(req, NT_STATUS_NO_MEMORY);
2148 return;
2149 }
2150
2151 shadow_data->mem_ctx = shadow_mem_ctx;
2152
2153 /*
2154 * Call the VFS routine to actually do the work.
2155 */
2156 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2157 talloc_destroy(shadow_data->mem_ctx);
2158 if (errno == ENOSYS) {
2159 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2160 conn->connectpath));
2161 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2162 return;
2163 } else {
2164 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2165 conn->connectpath));
2166 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2167 return;
2168 }
2169 }
2170
2171 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2172
2173 if (!labels) {
2174 data_count = 16;
2175 } else {
2176 data_count = 12+labels_data_count+4;
2177 }
2178
2179 if (max_data_count<data_count) {
2180 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2181 max_data_count,data_count));
2182 talloc_destroy(shadow_data->mem_ctx);
2183 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2184 return;
2185 }
2186
2187 pdata = nttrans_realloc(ppdata, data_count);
2188 if (pdata == NULL) {
2189 talloc_destroy(shadow_data->mem_ctx);
2190 reply_nterror(req, NT_STATUS_NO_MEMORY);
2191 return;
2192 }
2193
2194 cur_pdata = pdata;
2195
2196 /* num_volumes 4 bytes */
2197 SIVAL(pdata,0,shadow_data->num_volumes);
2198
2199 if (labels) {
2200 /* num_labels 4 bytes */
2201 SIVAL(pdata,4,shadow_data->num_volumes);
2202 }
2203
2204 /* needed_data_count 4 bytes */
2205 SIVAL(pdata, 8, labels_data_count+4);
2206
2207 cur_pdata+=12;
2208
2209 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2210 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2211 if (labels && shadow_data->labels) {
2212 for (i=0;i<shadow_data->num_volumes;i++) {
2213 srvstr_push(pdata, req->flags2,
2214 cur_pdata, shadow_data->labels[i],
2215 2*sizeof(SHADOW_COPY_LABEL),
2216 STR_UNICODE|STR_TERMINATE);
2217 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2218 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2219 }
2220 }
2221
2222 talloc_destroy(shadow_data->mem_ctx);
2223
2224 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2225 pdata, data_count);
2226
2227 return;
2228 }
2229
2230 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2231 {
2232 /* pretend this succeeded -
2233 *
2234 * we have to send back a list with all files owned by this SID
2235 *
2236 * but I have to check that --metze
2237 */
2238 struct dom_sid sid;
2239 uid_t uid;
2240 size_t sid_len;
2241
2242 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2243
2244 if (!check_fsp_open(conn, req, fsp)) {
2245 return;
2246 }
2247
2248 if (data_count < 8) {
2249 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2250 return;
2251 }
2252
2253 sid_len = MIN(data_count-4,SID_MAX_SIZE);
2254
2255 /* unknown 4 bytes: this is not the length of the sid :-( */
2256 /*unknown = IVAL(pdata,0);*/
2257
2258 if (!sid_parse(pdata+4,sid_len,&sid)) {
2259 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2260 return;
2261 }
2262 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2263
2264 if (!sid_to_uid(&sid, &uid)) {
2265 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2266 sid_string_dbg(&sid),
2267 (unsigned long)sid_len));
2268 uid = (-1);
2269 }
2270
2271 /* we can take a look at the find source :-)
2272 *
2273 * find ./ -uid $uid -name '*' is what we need here
2274 *
2275 *
2276 * and send 4bytes len and then NULL terminated unicode strings
2277 * for each file
2278 *
2279 * but I don't know how to deal with the paged results
2280 * (maybe we can hang the result anywhere in the fsp struct)
2281 *
2282 * we don't send all files at once
2283 * and at the next we should *not* start from the beginning,
2284 * so we have to cache the result
2285 *
2286 * --metze
2287 */
2288
2289 /* this works for now... */
2290 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2291 return;
2292 }
2293 case FSCTL_QUERY_ALLOCATED_RANGES:
2294 {
2295 /* FIXME: This is just a dummy reply, telling that all of the
2296 * file is allocated. MKS cp needs that.
2297 * Adding the real allocated ranges via FIEMAP on Linux
2298 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2299 * this FSCTL correct for sparse files.
2300 */
2301 NTSTATUS status;
2302 uint64_t offset, length;
2303
2304 if (!check_fsp_open(conn, req, fsp)) {
2305 return;
2306 }
2307
2308 if (data_count != 16) {
2309 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2310 data_count));
2311 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2312 return;
2313 }
2314
2315 if (max_data_count < 16) {
2316 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2317 max_data_count));
2318 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2319 return;
2320 }
2321
2322 offset = BVAL(pdata,0);
2323 length = BVAL(pdata,8);
2324
2325 if (offset + length < offset) {
2326 /* No 64-bit integer wrap. */
2327 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2328 return;
2329 }
2330
2331 status = vfs_stat_fsp(fsp);
2332 if (!NT_STATUS_IS_OK(status)) {
2333 reply_nterror(req, status);
2334 return;
2335 }
2336
2337 if (offset > fsp->fsp_name->st.st_ex_size ||
2338 fsp->fsp_name->st.st_ex_size == 0 ||
2339 length == 0) {
2340 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2341 } else {
2342 uint64_t end = offset + length;
2343 end = MIN(end, fsp->fsp_name->st.st_ex_size);
2344 SBVAL(pdata,0,0);
2345 SBVAL(pdata,8,end);
2346 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2347 pdata, 16);
2348 }
2349 return;
2350 }
2351 default:
2352 /* Only print this once... */
2353 if (!logged_ioctl_message) {
2354 logged_ioctl_message = true;
2355 DEBUG(2,("call_nt_transact_ioctl(0x%x): "
2356 "Currently not implemented.\n",
2357 function));
2358 }
2359 }
2360
2361 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2362 }
2363
2364
2365 #ifdef HAVE_SYS_QUOTAS
2366 /****************************************************************************
2367 Reply to get user quota
2368 ****************************************************************************/
2369
2370 static void call_nt_transact_get_user_quota(connection_struct *conn,
2371 struct smb_request *req,
2372 uint16 **ppsetup,
2373 uint32 setup_count,
2374 char **ppparams,
2375 uint32 parameter_count,
2376 char **ppdata,
2377 uint32 data_count,
2378 uint32 max_data_count)
2379 {
2380 NTSTATUS nt_status = NT_STATUS_OK;
2381 char *params = *ppparams;
2382 char *pdata = *ppdata;
2383 char *entry;
2384 int data_len=0,param_len=0;
2385 int qt_len=0;
2386 int entry_len = 0;
2387 files_struct *fsp = NULL;
2388 uint16 level = 0;
2389 size_t sid_len;
2390 struct dom_sid sid;
2391 bool start_enum = True;
2392 SMB_NTQUOTA_STRUCT qt;
2393 SMB_NTQUOTA_LIST *tmp_list;
2394 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2395
2396 ZERO_STRUCT(qt);
2397
2398 /* access check */
2399 if (conn->server_info->utok.uid != 0) {
2400 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2401 "[%s]\n", lp_servicename(SNUM(conn)),
2402 conn->server_info->unix_name));
2403 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2404 return;
2405 }
2406
2407 /*
2408 * Ensure minimum number of parameters sent.
2409 */
2410
2411 if (parameter_count < 4) {
2412 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2413 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2414 return;
2415 }
2416
2417 /* maybe we can check the quota_fnum */
2418 fsp = file_fsp(req, SVAL(params,0));
2419 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2420 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2421 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2422 return;
2423 }
2424
2425 /* the NULL pointer checking for fsp->fake_file_handle->pd
2426 * is done by CHECK_NTQUOTA_HANDLE_OK()
2427 */
2428 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2429
2430 level = SVAL(params,2);
2431
2432 /* unknown 12 bytes leading in params */
2433
2434 switch (level) {
2435 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2436 /* seems that we should continue with the enum here --metze */
2437
2438 if (qt_handle->quota_list!=NULL &&
2439 qt_handle->tmp_list==NULL) {
2440
2441 /* free the list */
2442 free_ntquota_list(&(qt_handle->quota_list));
2443
2444 /* Realloc the size of parameters and data we will return */
2445 param_len = 4;
2446 params = nttrans_realloc(ppparams, param_len);
2447 if(params == NULL) {
2448 reply_nterror(req, NT_STATUS_NO_MEMORY);
2449 return;
2450 }
2451
2452 data_len = 0;
2453 SIVAL(params,0,data_len);
2454
2455 break;
2456 }
2457
2458 start_enum = False;
2459
2460 case TRANSACT_GET_USER_QUOTA_LIST_START:
2461
2462 if (qt_handle->quota_list==NULL &&
2463 qt_handle->tmp_list==NULL) {
2464 start_enum = True;
2465 }
2466
2467 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2468 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2469 return;
2470 }
2471
2472 /* Realloc the size of parameters and data we will return */
2473 param_len = 4;
2474 params = nttrans_realloc(ppparams, param_len);
2475 if(params == NULL) {
2476 reply_nterror(req, NT_STATUS_NO_MEMORY);
2477 return;
2478 }
2479
2480 /* we should not trust the value in max_data_count*/
2481 max_data_count = MIN(max_data_count,2048);
2482
2483 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2484 if(pdata == NULL) {
2485 reply_nterror(req, NT_STATUS_NO_MEMORY);
2486 return;
2487 }
2488
2489 entry = pdata;
2490
2491 /* set params Size of returned Quota Data 4 bytes*/
2492 /* but set it later when we know it */
2493
2494 /* for each entry push the data */
2495
2496 if (start_enum) {
2497 qt_handle->tmp_list = qt_handle->quota_list;
2498 }
2499
2500 tmp_list = qt_handle->tmp_list;
2501
2502 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2503 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2504
2505 sid_len = ndr_size_dom_sid(
2506 &tmp_list->quotas->sid, 0);
2507 entry_len = 40 + sid_len;
2508
2509 /* nextoffset entry 4 bytes */
2510 SIVAL(entry,0,entry_len);
2511
2512 /* then the len of the SID 4 bytes */
2513 SIVAL(entry,4,sid_len);
2514
2515 /* unknown data 8 bytes uint64_t */
2516 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2517
2518 /* the used disk space 8 bytes uint64_t */
2519 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2520
2521 /* the soft quotas 8 bytes uint64_t */
2522 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2523
2524 /* the hard quotas 8 bytes uint64_t */
2525 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2526
2527 /* and now the SID */
2528 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2529 }
2530
2531 qt_handle->tmp_list = tmp_list;
2532
2533 /* overwrite the offset of the last entry */
2534 SIVAL(entry-entry_len,0,0);
2535
2536 data_len = 4+qt_len;
2537 /* overwrite the params quota_data_len */
2538 SIVAL(params,0,data_len);
2539
2540 break;
2541
2542 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2543
2544 /* unknown 4 bytes IVAL(pdata,0) */
2545
2546 if (data_count < 8) {
2547 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2548 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2549 return;
2550 }
2551
2552 sid_len = IVAL(pdata,4);
2553 /* Ensure this is less than 1mb. */
2554 if (sid_len > (1024*1024)) {
2555 reply_nterror(req, NT_STATUS_NO_MEMORY);
2556 return;
2557 }
2558
2559 if (data_count < 8+sid_len) {
2560 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2561 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2562 return;
2563 }
2564
2565 data_len = 4+40+sid_len;
2566
2567 if (max_data_count < data_len) {
2568 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2569 max_data_count, data_len));
2570 param_len = 4;
2571 SIVAL(params,0,data_len);
2572 data_len = 0;
2573 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2574 break;
2575 }
2576
2577 if (!sid_parse(pdata+8,sid_len,&sid)) {
2578 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2579 return;
2580 }
2581
2582 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2583 ZERO_STRUCT(qt);
2584 /*
2585 * we have to return zero's in all fields
2586 * instead of returning an error here
2587 * --metze
2588 */
2589 }
2590
2591 /* Realloc the size of parameters and data we will return */
2592 param_len = 4;
2593 params = nttrans_realloc(ppparams, param_len);
2594 if(params == NULL) {
2595 reply_nterror(req, NT_STATUS_NO_MEMORY);
2596 return;
2597 }
2598
2599 pdata = nttrans_realloc(ppdata, data_len);
2600 if(pdata == NULL) {
2601 reply_nterror(req, NT_STATUS_NO_MEMORY);
2602 return;
2603 }
2604
2605 entry = pdata;
2606
2607 /* set params Size of returned Quota Data 4 bytes*/
2608 SIVAL(params,0,data_len);
2609
2610 /* nextoffset entry 4 bytes */
2611 SIVAL(entry,0,0);
2612
2613 /* then the len of the SID 4 bytes */
2614 SIVAL(entry,4,sid_len);
2615
2616 /* unknown data 8 bytes uint64_t */
2617 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2618
2619 /* the used disk space 8 bytes uint64_t */
2620 SBIG_UINT(entry,16,qt.usedspace);
2621
2622 /* the soft quotas 8 bytes uint64_t */
2623 SBIG_UINT(entry,24,qt.softlim);
2624
2625 /* the hard quotas 8 bytes uint64_t */
2626 SBIG_UINT(entry,32,qt.hardlim);
2627
2628 /* and now the SID */
2629 sid_linearize(entry+40, sid_len, &sid);
2630
2631 break;
2632
2633 default:
2634 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2635 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2636 return;
2637 break;
2638 }
2639
2640 send_nt_replies(conn, req, nt_status, params, param_len,
2641 pdata, data_len);
2642 }
2643
2644 /****************************************************************************
2645 Reply to set user quota
2646 ****************************************************************************/
2647
2648 static void call_nt_transact_set_user_quota(connection_struct *conn,
2649 struct smb_request *req,
2650 uint16 **ppsetup,
2651 uint32 setup_count,
2652 char **ppparams,
2653 uint32 parameter_count,
2654 char **ppdata,
2655 uint32 data_count,
2656 uint32 max_data_count)
2657 {
2658 char *params = *ppparams;
2659 char *pdata = *ppdata;
2660 int data_len=0,param_len=0;
2661 SMB_NTQUOTA_STRUCT qt;
2662 size_t sid_len;
2663 struct dom_sid sid;
2664 files_struct *fsp = NULL;
2665
2666 ZERO_STRUCT(qt);
2667
2668 /* access check */
2669 if (conn->server_info->utok.uid != 0) {
2670 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2671 "[%s]\n", lp_servicename(SNUM(conn)),
2672 conn->server_info->unix_name));
2673 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2674 return;
2675 }
2676
2677 /*
2678 * Ensure minimum number of parameters sent.
2679 */
2680
2681 if (parameter_count < 2) {
2682 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2683 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2684 return;
2685 }
2686
2687 /* maybe we can check the quota_fnum */
2688 fsp = file_fsp(req, SVAL(params,0));
2689 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2690 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2691 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2692 return;
2693 }
2694
2695 if (data_count < 40) {
2696 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2697 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2698 return;
2699 }
2700
2701 /* offset to next quota record.
2702 * 4 bytes IVAL(pdata,0)
2703 * unused here...
2704 */
2705
2706 /* sid len */
2707 sid_len = IVAL(pdata,4);
2708
2709 if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2710 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2711 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2712 return;
2713 }
2714
2715 /* unknown 8 bytes in pdata
2716 * maybe its the change time in NTTIME
2717 */
2718
2719 /* the used space 8 bytes (uint64_t)*/
2720 qt.usedspace = (uint64_t)IVAL(pdata,16);
2721 #ifdef LARGE_SMB_OFF_T
2722 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2723 #else /* LARGE_SMB_OFF_T */
2724 if ((IVAL(pdata,20) != 0)&&
2725 ((qt.usedspace != 0xFFFFFFFF)||
2726 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2727 /* more than 32 bits? */
2728 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2729 return;
2730 }
2731 #endif /* LARGE_SMB_OFF_T */
2732
2733 /* the soft quotas 8 bytes (uint64_t)*/
2734 qt.softlim = (uint64_t)IVAL(pdata,24);
2735 #ifdef LARGE_SMB_OFF_T
2736 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2737 #else /* LARGE_SMB_OFF_T */
2738 if ((IVAL(pdata,28) != 0)&&
2739 ((qt.softlim != 0xFFFFFFFF)||
2740 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2741 /* more than 32 bits? */
2742 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2743 return;
2744 }
2745 #endif /* LARGE_SMB_OFF_T */
2746
2747 /* the hard quotas 8 bytes (uint64_t)*/
2748 qt.hardlim = (uint64_t)IVAL(pdata,32);
2749 #ifdef LARGE_SMB_OFF_T
2750 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2751 #else /* LARGE_SMB_OFF_T */
2752 if ((IVAL(pdata,36) != 0)&&
2753 ((qt.hardlim != 0xFFFFFFFF)||
2754 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2755 /* more than 32 bits? */
2756 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2757 return;
2758 }
2759 #endif /* LARGE_SMB_OFF_T */
2760
2761 if (!sid_parse(pdata+40,sid_len,&sid)) {
2762 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2763 return;
2764 }
2765
2766 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2767
2768 /* 44 unknown bytes left... */
2769
2770 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2771 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2772 return;
2773 }
2774
2775 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2776 pdata, data_len);
2777 }
2778 #endif /* HAVE_SYS_QUOTAS */
2779
2780 static void handle_nttrans(connection_struct *conn,
2781 struct trans_state *state,
2782 struct smb_request *req)
2783 {
2784 if (get_Protocol() >= PROTOCOL_NT1) {
2785 req->flags2 |= 0x40; /* IS_LONG_NAME */
2786 SSVAL(req->inbuf,smb_flg2,req->flags2);
2787 }
2788
2789
2790 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2791
2792 /* Now we must call the relevant NT_TRANS function */
2793 switch(state->call) {
2794 case NT_TRANSACT_CREATE:
2795 {
2796 START_PROFILE(NT_transact_create);
2797 call_nt_transact_create(
2798 conn, req,
2799 &state->setup, state->setup_count,
2800 &state->param, state->total_param,
2801 &state->data, state->total_data,
2802 state->max_data_return);
2803 END_PROFILE(NT_transact_create);
2804 break;
2805 }
2806
2807 case NT_TRANSACT_IOCTL:
2808 {
2809 START_PROFILE(NT_transact_ioctl);
2810 call_nt_transact_ioctl(
2811 conn, req,
2812 &state->setup, state->setup_count,
2813 &state->param, state->total_param,
2814 &state->data, state->total_data,
2815 state->max_data_return);
2816 END_PROFILE(NT_transact_ioctl);
2817 break;
2818 }
2819
2820 case NT_TRANSACT_SET_SECURITY_DESC:
2821 {
2822 START_PROFILE(NT_transact_set_security_desc);
2823 call_nt_transact_set_security_desc(
2824 conn, req,
2825 &state->setup, state->setup_count,
2826 &state->param, state->total_param,
2827 &state->data, state->total_data,
2828 state->max_data_return);
2829 END_PROFILE(NT_transact_set_security_desc);
2830 break;
2831 }
2832
2833 case NT_TRANSACT_NOTIFY_CHANGE:
2834 {
2835 START_PROFILE(NT_transact_notify_change);
2836 call_nt_transact_notify_change(
2837 conn, req,
2838 &state->setup, state->setup_count,
2839 &state->param, state->total_param,
2840 &state->data, state->total_data,
2841 state->max_data_return,
2842 state->max_param_return);
2843 END_PROFILE(NT_transact_notify_change);
2844 break;
2845 }
2846
2847 case NT_TRANSACT_RENAME:
2848 {
2849 START_PROFILE(NT_transact_rename);
2850 call_nt_transact_rename(
2851 conn, req,
2852 &state->setup, state->setup_count,
2853 &state->param, state->total_param,
2854 &state->data, state->total_data,
2855 state->max_data_return);
2856 END_PROFILE(NT_transact_rename);
2857 break;
2858 }
2859
2860 case NT_TRANSACT_QUERY_SECURITY_DESC:
2861 {
2862 START_PROFILE(NT_transact_query_security_desc);
2863 call_nt_transact_query_security_desc(
2864 conn, req,
2865 &state->setup, state->setup_count,
2866 &state->param, state->total_param,
2867 &state->data, state->total_data,
2868 state->max_data_return);
2869 END_PROFILE(NT_transact_query_security_desc);
2870 break;
2871 }
2872
2873 #ifdef HAVE_SYS_QUOTAS
2874 case NT_TRANSACT_GET_USER_QUOTA:
2875 {
2876 START_PROFILE(NT_transact_get_user_quota);
2877 call_nt_transact_get_user_quota(
2878 conn, req,
2879 &state->setup, state->setup_count,
2880 &state->param, state->total_param,
2881 &state->data, state->total_data,
2882 state->max_data_return);
2883 END_PROFILE(NT_transact_get_user_quota);
2884 break;
2885 }
2886
2887 case NT_TRANSACT_SET_USER_QUOTA:
2888 {
2889 START_PROFILE(NT_transact_set_user_quota);
2890 call_nt_transact_set_user_quota(
2891 conn, req,
2892 &state->setup, state->setup_count,
2893 &state->param, state->total_param,
2894 &state->data, state->total_data,
2895 state->max_data_return);
2896 END_PROFILE(NT_transact_set_user_quota);
2897 break;
2898 }
2899 #endif /* HAVE_SYS_QUOTAS */
2900
2901 default:
2902 /* Error in request */
2903 DEBUG(0,("handle_nttrans: Unknown request %d in "
2904 "nttrans call\n", state->call));
2905 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2906 return;
2907 }
2908 return;
2909 }
2910
2911 /****************************************************************************
2912 Reply to a SMBNTtrans.
2913 ****************************************************************************/
2914
2915 void reply_nttrans(struct smb_request *req)
2916 {
2917 connection_struct *conn = req->conn;
2918 uint32_t pscnt;
2919 uint32_t psoff;
2920 uint32_t dscnt;
2921 uint32_t dsoff;
2922 uint16 function_code;
2923 NTSTATUS result;
2924 struct trans_state *state;
2925
2926 START_PROFILE(SMBnttrans);
2927
2928 if (req->wct < 19) {
2929 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2930 END_PROFILE(SMBnttrans);
2931 return;
2932 }
2933
2934 pscnt = IVAL(req->vwv+9, 1);
2935 psoff = IVAL(req->vwv+11, 1);
2936 dscnt = IVAL(req->vwv+13, 1);
2937 dsoff = IVAL(req->vwv+15, 1);
2938 function_code = SVAL(req->vwv+18, 0);
2939
2940 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2941 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2942 END_PROFILE(SMBnttrans);
2943 return;
2944 }
2945
2946 result = allow_new_trans(conn->pending_trans, req->mid);
2947 if (!NT_STATUS_IS_OK(result)) {
2948 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2949 reply_nterror(req, result);
2950 END_PROFILE(SMBnttrans);
2951 return;
2952 }
2953
2954 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2955 reply_nterror(req, NT_STATUS_NO_MEMORY);
2956 END_PROFILE(SMBnttrans);
2957 return;
2958 }
2959
2960 state->cmd = SMBnttrans;
2961
2962 state->mid = req->mid;
2963 state->vuid = req->vuid;
2964 state->total_data = IVAL(req->vwv+3, 1);
2965 state->data = NULL;
2966 state->total_param = IVAL(req->vwv+1, 1);
2967 state->param = NULL;
2968 state->max_data_return = IVAL(req->vwv+7, 1);
2969 state->max_param_return = IVAL(req->vwv+5, 1);
2970
2971 /* setup count is in *words* */
2972 state->setup_count = 2*CVAL(req->vwv+17, 1);
2973 state->setup = NULL;
2974 state->call = function_code;
2975
2976 DEBUG(10, ("num_setup=%u, "
2977 "param_total=%u, this_param=%u, max_param=%u, "
2978 "data_total=%u, this_data=%u, max_data=%u, "
2979 "param_offset=%u, data_offset=%u\n",
2980 (unsigned)state->setup_count,
2981 (unsigned)state->total_param, (unsigned)pscnt,
2982 (unsigned)state->max_param_return,
2983 (unsigned)state->total_data, (unsigned)dscnt,
2984 (unsigned)state->max_data_return,
2985 (unsigned)psoff, (unsigned)dsoff));
2986
2987 /*
2988 * All nttrans messages we handle have smb_wct == 19 +
2989 * state->setup_count. Ensure this is so as a sanity check.
2990 */
2991
2992 if(req->wct != 19 + (state->setup_count/2)) {
2993 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2994 req->wct, 19 + (state->setup_count/2)));
2995 goto bad_param;
2996 }
2997
2998 /* Don't allow more than 128mb for each value. */
2999 if ((state->total_data > (1024*1024*128)) ||
3000 (state->total_param > (1024*1024*128))) {
3001 reply_nterror(req, NT_STATUS_NO_MEMORY);
3002 END_PROFILE(SMBnttrans);
3003 return;
3004 }
3005
3006 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3007 goto bad_param;
3008
3009 if (state->total_data) {
3010
3011 if (trans_oob(state->total_data, 0, dscnt)
3012 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3013 goto bad_param;
3014 }
3015
3016 /* Can't use talloc here, the core routines do realloc on the
3017 * params and data. */
3018 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3019 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3020 "bytes !\n", (unsigned int)state->total_data));
3021 TALLOC_FREE(state);
3022 reply_nterror(req, NT_STATUS_NO_MEMORY);
3023 END_PROFILE(SMBnttrans);
3024 return;
3025 }
3026
3027 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3028 }
3029
3030 if (state->total_param) {
3031
3032 if (trans_oob(state->total_param, 0, pscnt)
3033 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3034 goto bad_param;
3035 }
3036
3037 /* Can't use talloc here, the core routines do realloc on the
3038 * params and data. */
3039 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3040 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3041 "bytes !\n", (unsigned int)state->total_param));
3042 SAFE_FREE(state->data);
3043 TALLOC_FREE(state);
3044 reply_nterror(req, NT_STATUS_NO_MEMORY);
3045 END_PROFILE(SMBnttrans);
3046 return;
3047 }
3048
3049 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3050 }
3051
3052 state->received_data = dscnt;
3053 state->received_param = pscnt;
3054
3055 if(state->setup_count > 0) {
3056 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3057 state->setup_count));
3058
3059 /*
3060 * No overflow possible here, state->setup_count is an
3061 * unsigned int, being filled by a single byte from
3062 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3063 * below is not necessary, it's here to clarify things. The
3064 * validity of req->vwv and req->wct has been checked in
3065 * init_smb_request already.
3066 */
3067 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3068 goto bad_param;
3069 }
3070
3071 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3072 if (state->setup == NULL) {
3073 DEBUG(0,("reply_nttrans : Out of memory\n"));
3074 SAFE_FREE(state->data);
3075 SAFE_FREE(state->param);
3076 TALLOC_FREE(state);
3077 reply_nterror(req, NT_STATUS_NO_MEMORY);
3078 END_PROFILE(SMBnttrans);
3079 return;
3080 }
3081
3082 memcpy(state->setup, req->vwv+19, state->setup_count);
3083 dump_data(10, (uint8 *)state->setup, state->setup_count);
3084 }
3085
3086 if ((state->received_data == state->total_data) &&
3087 (state->received_param == state->total_param)) {
3088 handle_nttrans(conn, state, req);
3089 SAFE_FREE(state->param);
3090 SAFE_FREE(state->data);
3091 TALLOC_FREE(state);
3092 END_PROFILE(SMBnttrans);
3093 return;
3094 }
3095
3096 DLIST_ADD(conn->pending_trans, state);
3097
3098 /* We need to send an interim response then receive the rest
3099 of the parameter/data bytes */
3100 reply_outbuf(req, 0, 0);
3101 show_msg((char *)req->outbuf);
3102 END_PROFILE(SMBnttrans);
3103 return;
3104
3105 bad_param:
3106
3107 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3108 SAFE_FREE(state->data);
3109 SAFE_FREE(state->param);
3110 TALLOC_FREE(state);
3111 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3112 END_PROFILE(SMBnttrans);
3113 return;
3114 }
3115
3116 /****************************************************************************
3117 Reply to a SMBnttranss
3118 ****************************************************************************/
3119
3120 void reply_nttranss(struct smb_request *req)
3121 {
3122 connection_struct *conn = req->conn;
3123 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3124 struct trans_state *state;
3125
3126 START_PROFILE(SMBnttranss);
3127
3128 show_msg((char *)req->inbuf);
3129
3130 if (req->wct < 18) {
3131 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3132 END_PROFILE(SMBnttranss);
3133 return;
3134 }
3135
3136 for (state = conn->pending_trans; state != NULL;
3137 state = state->next) {
3138 if (state->mid == req->mid) {
3139 break;
3140 }
3141 }
3142
3143 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3144 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3145 END_PROFILE(SMBnttranss);
3146 return;
3147 }
3148
3149 /* Revise state->total_param and state->total_data in case they have
3150 changed downwards */
3151 if (IVAL(req->vwv+1, 1) < state->total_param) {
3152 state->total_param = IVAL(req->vwv+1, 1);
3153 }
3154 if (IVAL(req->vwv+3, 1) < state->total_data) {
3155 state->total_data = IVAL(req->vwv+3, 1);
3156 }
3157
3158 pcnt = IVAL(req->vwv+5, 1);
3159 poff = IVAL(req->vwv+7, 1);
3160 pdisp = IVAL(req->vwv+9, 1);
3161
3162 dcnt = IVAL(req->vwv+11, 1);
3163 doff = IVAL(req->vwv+13, 1);
3164 ddisp = IVAL(req->vwv+15, 1);
3165
3166 state->received_param += pcnt;
3167 state->received_data += dcnt;
3168
3169 if ((state->received_data > state->total_data) ||
3170 (state->received_param > state->total_param))
3171 goto bad_param;
3172
3173 if (pcnt) {
3174 if (trans_oob(state->total_param, pdisp, pcnt)
3175 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3176 goto bad_param;
3177 }
3178 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3179 }
3180
3181 if (dcnt) {
3182 if (trans_oob(state->total_data, ddisp, dcnt)
3183 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3184 goto bad_param;
3185 }
3186 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3187 }
3188
3189 if ((state->received_param < state->total_param) ||
3190 (state->received_data < state->total_data)) {
3191 END_PROFILE(SMBnttranss);
3192 return;
3193 }
3194
3195 handle_nttrans(conn, state, req);
3196
3197 DLIST_REMOVE(conn->pending_trans, state);
3198 SAFE_FREE(state->data);
3199 SAFE_FREE(state->param);
3200 TALLOC_FREE(state);
3201 END_PROFILE(SMBnttranss);
3202 return;
3203
3204 bad_param:
3205
3206 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3207 DLIST_REMOVE(conn->pending_trans, state);
3208 SAFE_FREE(state->data);
3209 SAFE_FREE(state->param);
3210 TALLOC_FREE(state);
3211 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3212 END_PROFILE(SMBnttranss);
3213 return;
3214 }
reg import