source: branches/samba-3.5.x/source3/smbd/nttrans.c@ 733

Last change on this file since 733 was 733, checked in by Silvan Scherrer, 13 years ago

Samba Server 3.5: update branche to 3.5.13
File size: 84.0 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22#include "smbd/globals.h"
23
24extern const struct generic_mapping file_generic_mapping;
25
26static char *nttrans_realloc(char **ptr, size_t size)
27{
28 if (ptr==NULL) {
29 smb_panic("nttrans_realloc() called with NULL ptr");
30 }
31
32 *ptr = (char *)SMB_REALLOC(*ptr, size);
33 if(*ptr == NULL) {
34 return NULL;
35 }
36 memset(*ptr,'\0',size);
37 return *ptr;
38}
39
40/****************************************************************************
41 Send the required number of replies back.
42 We assume all fields other than the data fields are
43 set correctly for the type of call.
44 HACK ! Always assumes smb_setup field is zero.
45****************************************************************************/
46
47void send_nt_replies(connection_struct *conn,
48 struct smb_request *req, NTSTATUS nt_error,
49 char *params, int paramsize,
50 char *pdata, int datasize)
51{
52 int data_to_send = datasize;
53 int params_to_send = paramsize;
54 int useable_space;
55 char *pp = params;
56 char *pd = pdata;
57 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
58 int alignment_offset = 3;
59 int data_alignment_offset = 0;
60 struct smbd_server_connection *sconn = smbd_server_conn;
61 int max_send = sconn->smb1.sessions.max_send;
62
63 /*
64 * If there genuinely are no parameters or data to send just send
65 * the empty packet.
66 */
67
68 if(params_to_send == 0 && data_to_send == 0) {
69 reply_outbuf(req, 18, 0);
70 if (NT_STATUS_V(nt_error)) {
71 error_packet_set((char *)req->outbuf,
72 0, 0, nt_error,
73 __LINE__,__FILE__);
74 }
75 show_msg((char *)req->outbuf);
76 if (!srv_send_smb(smbd_server_fd(),
77 (char *)req->outbuf,
78 true, req->seqnum+1,
79 IS_CONN_ENCRYPTED(conn),
80 &req->pcd)) {
81 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
82 }
83 TALLOC_FREE(req->outbuf);
84 return;
85 }
86
87 /*
88 * When sending params and data ensure that both are nicely aligned.
89 * Only do this alignment when there is also data to send - else
90 * can cause NT redirector problems.
91 */
92
93 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
94 data_alignment_offset = 4 - (params_to_send % 4);
95 }
96
97 /*
98 * Space is bufsize minus Netbios over TCP header minus SMB header.
99 * The alignment_offset is to align the param bytes on a four byte
100 * boundary (2 bytes for data len, one byte pad).
101 * NT needs this to work correctly.
102 */
103
104 useable_space = max_send - (smb_size
105 + 2 * 18 /* wct */
106 + alignment_offset
107 + data_alignment_offset);
108
109 if (useable_space < 0) {
110 char *msg = talloc_asprintf(
111 talloc_tos(),
112 "send_nt_replies failed sanity useable_space = %d!!!",
113 useable_space);
114 DEBUG(0, ("%s\n", msg));
115 exit_server_cleanly(msg);
116 }
117
118 while (params_to_send || data_to_send) {
119
120 /*
121 * Calculate whether we will totally or partially fill this packet.
122 */
123
124 total_sent_thistime = params_to_send + data_to_send;
125
126 /*
127 * We can never send more than useable_space.
128 */
129
130 total_sent_thistime = MIN(total_sent_thistime, useable_space);
131
132 reply_outbuf(req, 18,
133 total_sent_thistime + alignment_offset
134 + data_alignment_offset);
135
136 /*
137 * We might have had SMBnttranss in req->inbuf, fix that.
138 */
139 SCVAL(req->outbuf, smb_com, SMBnttrans);
140
141 /*
142 * Set total params and data to be sent.
143 */
144
145 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
146 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
147
148 /*
149 * Calculate how many parameters and data we can fit into
150 * this packet. Parameters get precedence.
151 */
152
153 params_sent_thistime = MIN(params_to_send,useable_space);
154 data_sent_thistime = useable_space - params_sent_thistime;
155 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
156
157 SIVAL(req->outbuf, smb_ntr_ParameterCount,
158 params_sent_thistime);
159
160 if(params_sent_thistime == 0) {
161 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
162 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
163 } else {
164 /*
165 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
166 * parameter bytes, however the first 4 bytes of outbuf are
167 * the Netbios over TCP header. Thus use smb_base() to subtract
168 * them from the calculation.
169 */
170
171 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
172 ((smb_buf(req->outbuf)+alignment_offset)
173 - smb_base(req->outbuf)));
174 /*
175 * Absolute displacement of param bytes sent in this packet.
176 */
177
178 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
179 pp - params);
180 }
181
182 /*
183 * Deal with the data portion.
184 */
185
186 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
187
188 if(data_sent_thistime == 0) {
189 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
190 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
191 } else {
192 /*
193 * The offset of the data bytes is the offset of the
194 * parameter bytes plus the number of parameters being sent this time.
195 */
196
197 SIVAL(req->outbuf, smb_ntr_DataOffset,
198 ((smb_buf(req->outbuf)+alignment_offset) -
199 smb_base(req->outbuf))
200 + params_sent_thistime + data_alignment_offset);
201 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
202 }
203
204 /*
205 * Copy the param bytes into the packet.
206 */
207
208 if(params_sent_thistime) {
209 if (alignment_offset != 0) {
210 memset(smb_buf(req->outbuf), 0,
211 alignment_offset);
212 }
213 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
214 params_sent_thistime);
215 }
216
217 /*
218 * Copy in the data bytes
219 */
220
221 if(data_sent_thistime) {
222 if (data_alignment_offset != 0) {
223 memset((smb_buf(req->outbuf)+alignment_offset+
224 params_sent_thistime), 0,
225 data_alignment_offset);
226 }
227 memcpy(smb_buf(req->outbuf)+alignment_offset
228 +params_sent_thistime+data_alignment_offset,
229 pd,data_sent_thistime);
230 }
231
232 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
233 params_sent_thistime, data_sent_thistime, useable_space));
234 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
235 params_to_send, data_to_send, paramsize, datasize));
236
237 if (NT_STATUS_V(nt_error)) {
238 error_packet_set((char *)req->outbuf,
239 0, 0, nt_error,
240 __LINE__,__FILE__);
241 }
242
243 /* Send the packet */
244 show_msg((char *)req->outbuf);
245 if (!srv_send_smb(smbd_server_fd(),
246 (char *)req->outbuf,
247 true, req->seqnum+1,
248 IS_CONN_ENCRYPTED(conn),
249 &req->pcd)) {
250 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
251 }
252
253 TALLOC_FREE(req->outbuf);
254
255 pp += params_sent_thistime;
256 pd += data_sent_thistime;
257
258 params_to_send -= params_sent_thistime;
259 data_to_send -= data_sent_thistime;
260
261 /*
262 * Sanity check
263 */
264
265 if(params_to_send < 0 || data_to_send < 0) {
266 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
267 params_to_send, data_to_send));
268 exit_server_cleanly("send_nt_replies: internal error");
269 }
270 }
271}
272
273/****************************************************************************
274 Reply to an NT create and X call on a pipe
275****************************************************************************/
276
277static void nt_open_pipe(char *fname, connection_struct *conn,
278 struct smb_request *req, int *ppnum)
279{
280 files_struct *fsp;
281 NTSTATUS status;
282
283 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
284
285 /* Strip \\ off the name. */
286 fname++;
287
288 status = open_np_file(req, fname, &fsp);
289 if (!NT_STATUS_IS_OK(status)) {
290 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
291 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
292 ERRDOS, ERRbadpipe);
293 return;
294 }
295 reply_nterror(req, status);
296 return;
297 }
298
299 *ppnum = fsp->fnum;
300 return;
301}
302
303/****************************************************************************
304 Reply to an NT create and X call for pipes.
305****************************************************************************/
306
307static void do_ntcreate_pipe_open(connection_struct *conn,
308 struct smb_request *req)
309{
310 char *fname = NULL;
311 int pnum = -1;
312 char *p = NULL;
313 uint32 flags = IVAL(req->vwv+3, 1);
314 TALLOC_CTX *ctx = talloc_tos();
315
316 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
317
318 if (!fname) {
319 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
320 ERRDOS, ERRbadpipe);
321 return;
322 }
323 nt_open_pipe(fname, conn, req, &pnum);
324
325 if (req->outbuf) {
326 /* error reply */
327 return;
328 }
329
330 /*
331 * Deal with pipe return.
332 */
333
334 if (flags & EXTENDED_RESPONSE_REQUIRED) {
335 /* This is very strange. We
336 * return 50 words, but only set
337 * the wcnt to 42 ? It's definately
338 * what happens on the wire....
339 */
340 reply_outbuf(req, 50, 0);
341 SCVAL(req->outbuf,smb_wct,42);
342 } else {
343 reply_outbuf(req, 34, 0);
344 }
345
346 p = (char *)req->outbuf + smb_vwv2;
347 p++;
348 SSVAL(p,0,pnum);
349 p += 2;
350 SIVAL(p,0,FILE_WAS_OPENED);
351 p += 4;
352 p += 32;
353 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
354 p += 20;
355 /* File type. */
356 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
357 /* Device state. */
358 SSVAL(p,2, 0x5FF); /* ? */
359 p += 4;
360
361 if (flags & EXTENDED_RESPONSE_REQUIRED) {
362 p += 25;
363 SIVAL(p,0,FILE_GENERIC_ALL);
364 /*
365 * For pipes W2K3 seems to return
366 * 0x12019B next.
367 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
368 */
369 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
370 }
371
372 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
373
374 chain_reply(req);
375}
376
377struct case_semantics_state {
378 connection_struct *conn;
379 bool case_sensitive;
380 bool case_preserve;
381 bool short_case_preserve;
382};
383
384/****************************************************************************
385 Restore case semantics.
386****************************************************************************/
387
388static int restore_case_semantics(struct case_semantics_state *state)
389{
390 state->conn->case_sensitive = state->case_sensitive;
391 state->conn->case_preserve = state->case_preserve;
392 state->conn->short_case_preserve = state->short_case_preserve;
393 return 0;
394}
395
396/****************************************************************************
397 Save case semantics.
398****************************************************************************/
399
400static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
401 connection_struct *conn)
402{
403 struct case_semantics_state *result;
404
405 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
406 return NULL;
407 }
408
409 result->conn = conn;
410 result->case_sensitive = conn->case_sensitive;
411 result->case_preserve = conn->case_preserve;
412 result->short_case_preserve = conn->short_case_preserve;
413
414 /* Set to POSIX. */
415 conn->case_sensitive = True;
416 conn->case_preserve = True;
417 conn->short_case_preserve = True;
418
419 talloc_set_destructor(result, restore_case_semantics);
420
421 return result;
422}
423
424/****************************************************************************
425 Reply to an NT create and X call.
426****************************************************************************/
427
428void reply_ntcreate_and_X(struct smb_request *req)
429{
430 connection_struct *conn = req->conn;
431 struct smb_filename *smb_fname = NULL;
432 char *fname = NULL;
433 uint32 flags;
434 uint32 access_mask;
435 uint32 file_attributes;
436 uint32 share_access;
437 uint32 create_disposition;
438 uint32 create_options;
439 uint16 root_dir_fid;
440 uint64_t allocation_size;
441 /* Breakout the oplock request bits so we can set the
442 reply bits separately. */
443 uint32 fattr=0;
444 SMB_OFF_T file_len = 0;
445 int info = 0;
446 files_struct *fsp = NULL;
447 char *p = NULL;
448 struct timespec create_timespec;
449 struct timespec c_timespec;
450 struct timespec a_timespec;
451 struct timespec m_timespec;
452 struct timespec write_time_ts;
453 NTSTATUS status;
454 int oplock_request;
455 uint8_t oplock_granted = NO_OPLOCK_RETURN;
456 struct case_semantics_state *case_state = NULL;
457 TALLOC_CTX *ctx = talloc_tos();
458
459 START_PROFILE(SMBntcreateX);
460
461 if (req->wct < 24) {
462 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
463 goto out;
464 }
465
466 flags = IVAL(req->vwv+3, 1);
467 access_mask = IVAL(req->vwv+7, 1);
468 file_attributes = IVAL(req->vwv+13, 1);
469 share_access = IVAL(req->vwv+15, 1);
470 create_disposition = IVAL(req->vwv+17, 1);
471 create_options = IVAL(req->vwv+19, 1);
472 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
473
474 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
475#ifdef LARGE_SMB_OFF_T
476 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
477#endif
478
479 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
480 STR_TERMINATE, &status);
481
482 if (!NT_STATUS_IS_OK(status)) {
483 reply_nterror(req, status);
484 goto out;
485 }
486
487 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
488 "file_attributes = 0x%x, share_access = 0x%x, "
489 "create_disposition = 0x%x create_options = 0x%x "
490 "root_dir_fid = 0x%x, fname = %s\n",
491 (unsigned int)flags,
492 (unsigned int)access_mask,
493 (unsigned int)file_attributes,
494 (unsigned int)share_access,
495 (unsigned int)create_disposition,
496 (unsigned int)create_options,
497 (unsigned int)root_dir_fid,
498 fname));
499
500 /*
501 * we need to remove ignored bits when they come directly from the client
502 * because we reuse some of them for internal stuff
503 */
504 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
505
506 /*
507 * If it's an IPC, use the pipe handler.
508 */
509
510 if (IS_IPC(conn)) {
511 if (lp_nt_pipe_support()) {
512 do_ntcreate_pipe_open(conn, req);
513 goto out;
514 }
515 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
516 goto out;
517 }
518
519 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
520 if (oplock_request) {
521 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
522 ? BATCH_OPLOCK : 0;
523 }
524
525 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
526 case_state = set_posix_case_semantics(ctx, conn);
527 if (!case_state) {
528 reply_nterror(req, NT_STATUS_NO_MEMORY);
529 goto out;
530 }
531 }
532
533 status = filename_convert(ctx,
534 conn,
535 req->flags2 & FLAGS2_DFS_PATHNAMES,
536 fname,
537 0,
538 NULL,
539 &smb_fname);
540
541 TALLOC_FREE(case_state);
542
543 if (!NT_STATUS_IS_OK(status)) {
544 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
545 reply_botherror(req,
546 NT_STATUS_PATH_NOT_COVERED,
547 ERRSRV, ERRbadpath);
548 goto out;
549 }
550 reply_nterror(req, status);
551 goto out;
552 }
553
554 /*
555 * Bug #6898 - clients using Windows opens should
556 * never be able to set this attribute into the
557 * VFS.
558 */
559 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
560
561 status = SMB_VFS_CREATE_FILE(
562 conn, /* conn */
563 req, /* req */
564 root_dir_fid, /* root_dir_fid */
565 smb_fname, /* fname */
566 access_mask, /* access_mask */
567 share_access, /* share_access */
568 create_disposition, /* create_disposition*/
569 create_options, /* create_options */
570 file_attributes, /* file_attributes */
571 oplock_request, /* oplock_request */
572 allocation_size, /* allocation_size */
573 NULL, /* sd */
574 NULL, /* ea_list */
575 &fsp, /* result */
576 &info); /* pinfo */
577
578 if (!NT_STATUS_IS_OK(status)) {
579 if (open_was_deferred(req->mid)) {
580 /* We have re-scheduled this call, no error. */
581 goto out;
582 }
583 reply_openerror(req, status);
584 goto out;
585 }
586
587 /* Ensure we're pointing at the correct stat struct. */
588 TALLOC_FREE(smb_fname);
589 smb_fname = fsp->fsp_name;
590
591 /*
592 * If the caller set the extended oplock request bit
593 * and we granted one (by whatever means) - set the
594 * correct bit for extended oplock reply.
595 */
596
597 if (oplock_request &&
598 (lp_fake_oplocks(SNUM(conn))
599 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
600
601 /*
602 * Exclusive oplock granted
603 */
604
605 if (flags & REQUEST_BATCH_OPLOCK) {
606 oplock_granted = BATCH_OPLOCK_RETURN;
607 } else {
608 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
609 }
610 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
611 oplock_granted = LEVEL_II_OPLOCK_RETURN;
612 } else {
613 oplock_granted = NO_OPLOCK_RETURN;
614 }
615
616 file_len = smb_fname->st.st_ex_size;
617
618 if (flags & EXTENDED_RESPONSE_REQUIRED) {
619 /* This is very strange. We
620 * return 50 words, but only set
621 * the wcnt to 42 ? It's definately
622 * what happens on the wire....
623 */
624 reply_outbuf(req, 50, 0);
625 SCVAL(req->outbuf,smb_wct,42);
626 } else {
627 reply_outbuf(req, 34, 0);
628 }
629
630 p = (char *)req->outbuf + smb_vwv2;
631
632 SCVAL(p, 0, oplock_granted);
633
634 p++;
635 SSVAL(p,0,fsp->fnum);
636 p += 2;
637 if ((create_disposition == FILE_SUPERSEDE)
638 && (info == FILE_WAS_OVERWRITTEN)) {
639 SIVAL(p,0,FILE_WAS_SUPERSEDED);
640 } else {
641 SIVAL(p,0,info);
642 }
643 p += 4;
644
645 fattr = dos_mode(conn, smb_fname);
646 if (fattr == 0) {
647 fattr = FILE_ATTRIBUTE_NORMAL;
648 }
649
650 /* Deal with other possible opens having a modified
651 write time. JRA. */
652 ZERO_STRUCT(write_time_ts);
653 get_file_infos(fsp->file_id, NULL, &write_time_ts);
654 if (!null_timespec(write_time_ts)) {
655 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
656 }
657
658 /* Create time. */
659 create_timespec = get_create_timespec(conn, fsp, smb_fname);
660 a_timespec = smb_fname->st.st_ex_atime;
661 m_timespec = smb_fname->st.st_ex_mtime;
662 c_timespec = get_change_timespec(conn, fsp, smb_fname);
663
664 if (lp_dos_filetime_resolution(SNUM(conn))) {
665 dos_filetime_timespec(&create_timespec);
666 dos_filetime_timespec(&a_timespec);
667 dos_filetime_timespec(&m_timespec);
668 dos_filetime_timespec(&c_timespec);
669 }
670
671 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
672 p += 8;
673 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
674 p += 8;
675 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
676 p += 8;
677 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
678 p += 8;
679 SIVAL(p,0,fattr); /* File Attributes. */
680 p += 4;
681 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
682 p += 8;
683 SOFF_T(p,0,file_len);
684 p += 8;
685 if (flags & EXTENDED_RESPONSE_REQUIRED) {
686 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
687 size_t num_names = 0;
688 unsigned int num_streams;
689 struct stream_struct *streams = NULL;
690
691 /* Do we have any EA's ? */
692 status = get_ea_names_from_file(ctx, conn, fsp,
693 smb_fname->base_name, NULL, &num_names);
694 if (NT_STATUS_IS_OK(status) && num_names) {
695 file_status &= ~NO_EAS;
696 }
697 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
698 &num_streams, &streams);
699 /* There is always one stream, ::$DATA. */
700 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
701 file_status &= ~NO_SUBSTREAMS;
702 }
703 TALLOC_FREE(streams);
704 SSVAL(p,2,file_status);
705 }
706 p += 4;
707 SCVAL(p,0,fsp->is_directory ? 1 : 0);
708
709 if (flags & EXTENDED_RESPONSE_REQUIRED) {
710 uint32 perms = 0;
711 p += 25;
712 if (fsp->is_directory ||
713 can_write_to_file(conn, smb_fname)) {
714 perms = FILE_GENERIC_ALL;
715 } else {
716 perms = FILE_GENERIC_READ|FILE_EXECUTE;
717 }
718 SIVAL(p,0,perms);
719 }
720
721 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
722 fsp->fnum, smb_fname_str_dbg(smb_fname)));
723
724 chain_reply(req);
725 out:
726 END_PROFILE(SMBntcreateX);
727 return;
728}
729
730/****************************************************************************
731 Reply to a NT_TRANSACT_CREATE call to open a pipe.
732****************************************************************************/
733
734static void do_nt_transact_create_pipe(connection_struct *conn,
735 struct smb_request *req,
736 uint16 **ppsetup, uint32 setup_count,
737 char **ppparams, uint32 parameter_count,
738 char **ppdata, uint32 data_count)
739{
740 char *fname = NULL;
741 char *params = *ppparams;
742 int pnum = -1;
743 char *p = NULL;
744 NTSTATUS status;
745 size_t param_len;
746 uint32 flags;
747 TALLOC_CTX *ctx = talloc_tos();
748
749 /*
750 * Ensure minimum number of parameters sent.
751 */
752
753 if(parameter_count < 54) {
754 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
755 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
756 return;
757 }
758
759 flags = IVAL(params,0);
760
761 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
762 parameter_count-53, STR_TERMINATE,
763 &status);
764 if (!NT_STATUS_IS_OK(status)) {
765 reply_nterror(req, status);
766 return;
767 }
768
769 nt_open_pipe(fname, conn, req, &pnum);
770
771 if (req->outbuf) {
772 /* Error return */
773 return;
774 }
775
776 /* Realloc the size of parameters and data we will return */
777 if (flags & EXTENDED_RESPONSE_REQUIRED) {
778 /* Extended response is 32 more byyes. */
779 param_len = 101;
780 } else {
781 param_len = 69;
782 }
783 params = nttrans_realloc(ppparams, param_len);
784 if(params == NULL) {
785 reply_nterror(req, NT_STATUS_NO_MEMORY);
786 return;
787 }
788
789 p = params;
790 SCVAL(p,0,NO_OPLOCK_RETURN);
791
792 p += 2;
793 SSVAL(p,0,pnum);
794 p += 2;
795 SIVAL(p,0,FILE_WAS_OPENED);
796 p += 8;
797
798 p += 32;
799 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
800 p += 20;
801 /* File type. */
802 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
803 /* Device state. */
804 SSVAL(p,2, 0x5FF); /* ? */
805 p += 4;
806
807 if (flags & EXTENDED_RESPONSE_REQUIRED) {
808 p += 25;
809 SIVAL(p,0,FILE_GENERIC_ALL);
810 /*
811 * For pipes W2K3 seems to return
812 * 0x12019B next.
813 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
814 */
815 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
816 }
817
818 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
819
820 /* Send the required number of replies */
821 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
822
823 return;
824}
825
826/****************************************************************************
827 Internal fn to set security descriptors.
828****************************************************************************/
829
830static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
831 uint32 security_info_sent)
832{
833 SEC_DESC *psd = NULL;
834 NTSTATUS status;
835
836 if (sd_len == 0) {
837 return NT_STATUS_INVALID_PARAMETER;
838 }
839
840 if (!CAN_WRITE(fsp->conn)) {
841 return NT_STATUS_ACCESS_DENIED;
842 }
843
844 if (!lp_nt_acl_support(SNUM(fsp->conn))) {
845 return NT_STATUS_OK;
846 }
847
848 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
849
850 if (!NT_STATUS_IS_OK(status)) {
851 return status;
852 }
853
854 if (psd->owner_sid == NULL) {
855 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
856 }
857 if (psd->group_sid == NULL) {
858 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
859 }
860
861 /* Ensure we have at least one thing set. */
862 if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
863 if (security_info_sent & SECINFO_LABEL) {
864 /* Only consider SECINFO_LABEL if no other
865 bits are set. Just like W2K3 we don't
866 store this. */
867 return NT_STATUS_OK;
868 }
869 return NT_STATUS_INVALID_PARAMETER;
870 }
871
872 /* Ensure we have the rights to do this. */
873 if (security_info_sent & SECINFO_OWNER) {
874 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
875 return NT_STATUS_ACCESS_DENIED;
876 }
877 }
878
879 if (security_info_sent & SECINFO_GROUP) {
880 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
881 return NT_STATUS_ACCESS_DENIED;
882 }
883 }
884
885 if (security_info_sent & SECINFO_DACL) {
886 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
887 return NT_STATUS_ACCESS_DENIED;
888 }
889 /* Convert all the generic bits. */
890 if (psd->dacl) {
891 security_acl_map_generic(psd->dacl, &file_generic_mapping);
892 }
893 }
894
895 if (security_info_sent & SECINFO_SACL) {
896 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
897 return NT_STATUS_ACCESS_DENIED;
898 }
899 /* Convert all the generic bits. */
900 if (psd->sacl) {
901 security_acl_map_generic(psd->sacl, &file_generic_mapping);
902 }
903 }
904
905 if (DEBUGLEVEL >= 10) {
906 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
907 NDR_PRINT_DEBUG(security_descriptor, psd);
908 }
909
910 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
911
912 TALLOC_FREE(psd);
913
914 return status;
915}
916
917/****************************************************************************
918 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
919****************************************************************************/
920
921struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
922{
923 struct ea_list *ea_list_head = NULL;
924 size_t offset = 0;
925
926 if (data_size < 4) {
927 return NULL;
928 }
929
930 while (offset + 4 <= data_size) {
931 size_t next_offset = IVAL(pdata,offset);
932 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
933
934 if (!eal) {
935 return NULL;
936 }
937
938 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
939 if (next_offset == 0) {
940 break;
941 }
942 offset += next_offset;
943 }
944
945 return ea_list_head;
946}
947
948/****************************************************************************
949 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
950****************************************************************************/
951
952static void call_nt_transact_create(connection_struct *conn,
953 struct smb_request *req,
954 uint16 **ppsetup, uint32 setup_count,
955 char **ppparams, uint32 parameter_count,
956 char **ppdata, uint32 data_count,
957 uint32 max_data_count)
958{
959 struct smb_filename *smb_fname = NULL;
960 char *fname = NULL;
961 char *params = *ppparams;
962 char *data = *ppdata;
963 /* Breakout the oplock request bits so we can set the reply bits separately. */
964 uint32 fattr=0;
965 SMB_OFF_T file_len = 0;
966 int info = 0;
967 files_struct *fsp = NULL;
968 char *p = NULL;
969 uint32 flags;
970 uint32 access_mask;
971 uint32 file_attributes;
972 uint32 share_access;
973 uint32 create_disposition;
974 uint32 create_options;
975 uint32 sd_len;
976 struct security_descriptor *sd = NULL;
977 uint32 ea_len;
978 uint16 root_dir_fid;
979 struct timespec create_timespec;
980 struct timespec c_timespec;
981 struct timespec a_timespec;
982 struct timespec m_timespec;
983 struct timespec write_time_ts;
984 struct ea_list *ea_list = NULL;
985 NTSTATUS status;
986 size_t param_len;
987 uint64_t allocation_size;
988 int oplock_request;
989 uint8_t oplock_granted;
990 struct case_semantics_state *case_state = NULL;
991 TALLOC_CTX *ctx = talloc_tos();
992
993 DEBUG(5,("call_nt_transact_create\n"));
994
995 /*
996 * If it's an IPC, use the pipe handler.
997 */
998
999 if (IS_IPC(conn)) {
1000 if (lp_nt_pipe_support()) {
1001 do_nt_transact_create_pipe(
1002 conn, req,
1003 ppsetup, setup_count,
1004 ppparams, parameter_count,
1005 ppdata, data_count);
1006 goto out;
1007 }
1008 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1009 goto out;
1010 }
1011
1012 /*
1013 * Ensure minimum number of parameters sent.
1014 */
1015
1016 if(parameter_count < 54) {
1017 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1018 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1019 goto out;
1020 }
1021
1022 flags = IVAL(params,0);
1023 access_mask = IVAL(params,8);
1024 file_attributes = IVAL(params,20);
1025 share_access = IVAL(params,24);
1026 create_disposition = IVAL(params,28);
1027 create_options = IVAL(params,32);
1028 sd_len = IVAL(params,36);
1029 ea_len = IVAL(params,40);
1030 root_dir_fid = (uint16)IVAL(params,4);
1031 allocation_size = (uint64_t)IVAL(params,12);
1032#ifdef LARGE_SMB_OFF_T
1033 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
1034#endif
1035
1036 /*
1037 * we need to remove ignored bits when they come directly from the client
1038 * because we reuse some of them for internal stuff
1039 */
1040 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1041
1042 /* Ensure the data_len is correct for the sd and ea values given. */
1043 if ((ea_len + sd_len > data_count)
1044 || (ea_len > data_count) || (sd_len > data_count)
1045 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1046 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1047 "%u, data_count = %u\n", (unsigned int)ea_len,
1048 (unsigned int)sd_len, (unsigned int)data_count));
1049 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1050 goto out;
1051 }
1052
1053 if (sd_len) {
1054 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1055 sd_len));
1056
1057 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1058 &sd);
1059 if (!NT_STATUS_IS_OK(status)) {
1060 DEBUG(10, ("call_nt_transact_create: "
1061 "unmarshall_sec_desc failed: %s\n",
1062 nt_errstr(status)));
1063 reply_nterror(req, status);
1064 goto out;
1065 }
1066 }
1067
1068 if (ea_len) {
1069 if (!lp_ea_support(SNUM(conn))) {
1070 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1071 "EA's not supported.\n",
1072 (unsigned int)ea_len));
1073 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1074 goto out;
1075 }
1076
1077 if (ea_len < 10) {
1078 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1079 "too small (should be more than 10)\n",
1080 (unsigned int)ea_len ));
1081 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1082 goto out;
1083 }
1084
1085 /* We have already checked that ea_len <= data_count here. */
1086 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1087 ea_len);
1088 if (ea_list == NULL) {
1089 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1090 goto out;
1091 }
1092 }
1093
1094 srvstr_get_path(ctx, params, req->flags2, &fname,
1095 params+53, parameter_count-53,
1096 STR_TERMINATE, &status);
1097 if (!NT_STATUS_IS_OK(status)) {
1098 reply_nterror(req, status);
1099 goto out;
1100 }
1101
1102 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1103 case_state = set_posix_case_semantics(ctx, conn);
1104 if (!case_state) {
1105 reply_nterror(req, NT_STATUS_NO_MEMORY);
1106 goto out;
1107 }
1108 }
1109
1110 status = filename_convert(ctx,
1111 conn,
1112 req->flags2 & FLAGS2_DFS_PATHNAMES,
1113 fname,
1114 0,
1115 NULL,
1116 &smb_fname);
1117
1118 TALLOC_FREE(case_state);
1119
1120 if (!NT_STATUS_IS_OK(status)) {
1121 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1122 reply_botherror(req,
1123 NT_STATUS_PATH_NOT_COVERED,
1124 ERRSRV, ERRbadpath);
1125 goto out;
1126 }
1127 reply_nterror(req, status);
1128 goto out;
1129 }
1130
1131 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1132 if (oplock_request) {
1133 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1134 ? BATCH_OPLOCK : 0;
1135 }
1136
1137 /*
1138 * Bug #6898 - clients using Windows opens should
1139 * never be able to set this attribute into the
1140 * VFS.
1141 */
1142 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1143
1144 status = SMB_VFS_CREATE_FILE(
1145 conn, /* conn */
1146 req, /* req */
1147 root_dir_fid, /* root_dir_fid */
1148 smb_fname, /* fname */
1149 access_mask, /* access_mask */
1150 share_access, /* share_access */
1151 create_disposition, /* create_disposition*/
1152 create_options, /* create_options */
1153 file_attributes, /* file_attributes */
1154 oplock_request, /* oplock_request */
1155 allocation_size, /* allocation_size */
1156 sd, /* sd */
1157 ea_list, /* ea_list */
1158 &fsp, /* result */
1159 &info); /* pinfo */
1160
1161 if(!NT_STATUS_IS_OK(status)) {
1162 if (open_was_deferred(req->mid)) {
1163 /* We have re-scheduled this call, no error. */
1164 return;
1165 }
1166 reply_openerror(req, status);
1167 goto out;
1168 }
1169
1170 /* Ensure we're pointing at the correct stat struct. */
1171 TALLOC_FREE(smb_fname);
1172 smb_fname = fsp->fsp_name;
1173
1174 /*
1175 * If the caller set the extended oplock request bit
1176 * and we granted one (by whatever means) - set the
1177 * correct bit for extended oplock reply.
1178 */
1179
1180 if (oplock_request &&
1181 (lp_fake_oplocks(SNUM(conn))
1182 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1183
1184 /*
1185 * Exclusive oplock granted
1186 */
1187
1188 if (flags & REQUEST_BATCH_OPLOCK) {
1189 oplock_granted = BATCH_OPLOCK_RETURN;
1190 } else {
1191 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1192 }
1193 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1194 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1195 } else {
1196 oplock_granted = NO_OPLOCK_RETURN;
1197 }
1198
1199 file_len = smb_fname->st.st_ex_size;
1200
1201 /* Realloc the size of parameters and data we will return */
1202 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1203 /* Extended response is 32 more byyes. */
1204 param_len = 101;
1205 } else {
1206 param_len = 69;
1207 }
1208 params = nttrans_realloc(ppparams, param_len);
1209 if(params == NULL) {
1210 reply_nterror(req, NT_STATUS_NO_MEMORY);
1211 goto out;
1212 }
1213
1214 p = params;
1215 SCVAL(p, 0, oplock_granted);
1216
1217 p += 2;
1218 SSVAL(p,0,fsp->fnum);
1219 p += 2;
1220 if ((create_disposition == FILE_SUPERSEDE)
1221 && (info == FILE_WAS_OVERWRITTEN)) {
1222 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1223 } else {
1224 SIVAL(p,0,info);
1225 }
1226 p += 8;
1227
1228 fattr = dos_mode(conn, smb_fname);
1229 if (fattr == 0) {
1230 fattr = FILE_ATTRIBUTE_NORMAL;
1231 }
1232
1233 /* Deal with other possible opens having a modified
1234 write time. JRA. */
1235 ZERO_STRUCT(write_time_ts);
1236 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1237 if (!null_timespec(write_time_ts)) {
1238 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1239 }
1240
1241 /* Create time. */
1242 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1243 a_timespec = smb_fname->st.st_ex_atime;
1244 m_timespec = smb_fname->st.st_ex_mtime;
1245 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1246
1247 if (lp_dos_filetime_resolution(SNUM(conn))) {
1248 dos_filetime_timespec(&create_timespec);
1249 dos_filetime_timespec(&a_timespec);
1250 dos_filetime_timespec(&m_timespec);
1251 dos_filetime_timespec(&c_timespec);
1252 }
1253
1254 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1255 p += 8;
1256 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1257 p += 8;
1258 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1259 p += 8;
1260 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1261 p += 8;
1262 SIVAL(p,0,fattr); /* File Attributes. */
1263 p += 4;
1264 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1265 p += 8;
1266 SOFF_T(p,0,file_len);
1267 p += 8;
1268 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1269 SSVAL(p,2,0x7);
1270 }
1271 p += 4;
1272 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1273
1274 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1275 uint32 perms = 0;
1276 p += 25;
1277 if (fsp->is_directory ||
1278 can_write_to_file(conn, smb_fname)) {
1279 perms = FILE_GENERIC_ALL;
1280 } else {
1281 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1282 }
1283 SIVAL(p,0,perms);
1284 }
1285
1286 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1287 smb_fname_str_dbg(smb_fname)));
1288
1289 /* Send the required number of replies */
1290 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1291 out:
1292 return;
1293}
1294
1295/****************************************************************************
1296 Reply to a NT CANCEL request.
1297 conn POINTER CAN BE NULL HERE !
1298****************************************************************************/
1299
1300void reply_ntcancel(struct smb_request *req)
1301{
1302 /*
1303 * Go through and cancel any pending change notifies.
1304 */
1305
1306 START_PROFILE(SMBntcancel);
1307 srv_cancel_sign_response(smbd_server_conn);
1308 remove_pending_change_notify_requests_by_mid(req->mid);
1309 remove_pending_lock_requests_by_mid(req->mid);
1310
1311 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1312
1313 END_PROFILE(SMBntcancel);
1314 return;
1315}
1316
1317/****************************************************************************
1318 Copy a file.
1319****************************************************************************/
1320
1321static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1322 connection_struct *conn,
1323 struct smb_request *req,
1324 struct smb_filename *smb_fname_src,
1325 struct smb_filename *smb_fname_dst,
1326 uint32 attrs)
1327{
1328 files_struct *fsp1,*fsp2;
1329 uint32 fattr;
1330 int info;
1331 SMB_OFF_T ret=-1;
1332 NTSTATUS status = NT_STATUS_OK;
1333 char *parent;
1334
1335 if (!CAN_WRITE(conn)) {
1336 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1337 goto out;
1338 }
1339
1340 /* Source must already exist. */
1341 if (!VALID_STAT(smb_fname_src->st)) {
1342 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1343 goto out;
1344 }
1345
1346 /* Ensure attributes match. */
1347 fattr = dos_mode(conn, smb_fname_src);
1348 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1349 status = NT_STATUS_NO_SUCH_FILE;
1350 goto out;
1351 }
1352
1353 /* Disallow if dst file already exists. */
1354 if (VALID_STAT(smb_fname_dst->st)) {
1355 status = NT_STATUS_OBJECT_NAME_COLLISION;
1356 goto out;
1357 }
1358
1359 /* No links from a directory. */
1360 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1361 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1362 goto out;
1363 }
1364
1365 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1366 smb_fname_str_dbg(smb_fname_src),
1367 smb_fname_str_dbg(smb_fname_dst)));
1368
1369 status = SMB_VFS_CREATE_FILE(
1370 conn, /* conn */
1371 req, /* req */
1372 0, /* root_dir_fid */
1373 smb_fname_src, /* fname */
1374 FILE_READ_DATA, /* access_mask */
1375 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1376 FILE_SHARE_DELETE),
1377 FILE_OPEN, /* create_disposition*/
1378 0, /* create_options */
1379 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1380 NO_OPLOCK, /* oplock_request */
1381 0, /* allocation_size */
1382 NULL, /* sd */
1383 NULL, /* ea_list */
1384 &fsp1, /* result */
1385 &info); /* pinfo */
1386
1387 if (!NT_STATUS_IS_OK(status)) {
1388 goto out;
1389 }
1390
1391 status = SMB_VFS_CREATE_FILE(
1392 conn, /* conn */
1393 req, /* req */
1394 0, /* root_dir_fid */
1395 smb_fname_dst, /* fname */
1396 FILE_WRITE_DATA, /* access_mask */
1397 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1398 FILE_SHARE_DELETE),
1399 FILE_CREATE, /* create_disposition*/
1400 0, /* create_options */
1401 fattr, /* file_attributes */
1402 NO_OPLOCK, /* oplock_request */
1403 0, /* allocation_size */
1404 NULL, /* sd */
1405 NULL, /* ea_list */
1406 &fsp2, /* result */
1407 &info); /* pinfo */
1408
1409 if (!NT_STATUS_IS_OK(status)) {
1410 close_file(NULL, fsp1, ERROR_CLOSE);
1411 goto out;
1412 }
1413
1414 if (smb_fname_src->st.st_ex_size) {
1415 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1416 }
1417
1418 /*
1419 * As we are opening fsp1 read-only we only expect
1420 * an error on close on fsp2 if we are out of space.
1421 * Thus we don't look at the error return from the
1422 * close of fsp1.
1423 */
1424 close_file(NULL, fsp1, NORMAL_CLOSE);
1425
1426 /* Ensure the modtime is set correctly on the destination file. */
1427 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1428
1429 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1430
1431 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1432 creates the file. This isn't the correct thing to do in the copy
1433 case. JRA */
1434 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1435 NULL)) {
1436 status = NT_STATUS_NO_MEMORY;
1437 goto out;
1438 }
1439 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1440 TALLOC_FREE(parent);
1441
1442 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1443 status = NT_STATUS_DISK_FULL;
1444 goto out;
1445 }
1446 out:
1447 if (!NT_STATUS_IS_OK(status)) {
1448 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1449 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1450 smb_fname_str_dbg(smb_fname_dst)));
1451 }
1452
1453 return status;
1454}
1455
1456/****************************************************************************
1457 Reply to a NT rename request.
1458****************************************************************************/
1459
1460void reply_ntrename(struct smb_request *req)
1461{
1462 connection_struct *conn = req->conn;
1463 struct smb_filename *smb_fname_old = NULL;
1464 struct smb_filename *smb_fname_new = NULL;
1465 char *oldname = NULL;
1466 char *newname = NULL;
1467 const char *p;
1468 NTSTATUS status;
1469 bool src_has_wcard = False;
1470 bool dest_has_wcard = False;
1471 uint32 attrs;
1472 uint32_t ucf_flags_src = 0;
1473 uint32_t ucf_flags_dst = 0;
1474 uint16 rename_type;
1475 TALLOC_CTX *ctx = talloc_tos();
1476
1477 START_PROFILE(SMBntrename);
1478
1479 if (req->wct < 4) {
1480 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1481 goto out;
1482 }
1483
1484 attrs = SVAL(req->vwv+0, 0);
1485 rename_type = SVAL(req->vwv+1, 0);
1486
1487 p = (const char *)req->buf + 1;
1488 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1489 &status, &src_has_wcard);
1490 if (!NT_STATUS_IS_OK(status)) {
1491 reply_nterror(req, status);
1492 goto out;
1493 }
1494
1495 if (ms_has_wild(oldname)) {
1496 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1497 goto out;
1498 }
1499
1500 p++;
1501 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1502 &status, &dest_has_wcard);
1503 if (!NT_STATUS_IS_OK(status)) {
1504 reply_nterror(req, status);
1505 goto out;
1506 }
1507
1508 /* The newname must begin with a ':' if the oldname contains a ':'. */
1509 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1510 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1511 goto out;
1512 }
1513
1514 /*
1515 * If this is a rename operation, allow wildcards and save the
1516 * destination's last component.
1517 */
1518 if (rename_type == RENAME_FLAG_RENAME) {
1519 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1520 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1521 }
1522
1523 /* rename_internals() calls unix_convert(), so don't call it here. */
1524 status = filename_convert(ctx, conn,
1525 req->flags2 & FLAGS2_DFS_PATHNAMES,
1526 oldname,
1527 ucf_flags_src,
1528 NULL,
1529 &smb_fname_old);
1530 if (!NT_STATUS_IS_OK(status)) {
1531 if (NT_STATUS_EQUAL(status,
1532 NT_STATUS_PATH_NOT_COVERED)) {
1533 reply_botherror(req,
1534 NT_STATUS_PATH_NOT_COVERED,
1535 ERRSRV, ERRbadpath);
1536 goto out;
1537 }
1538 reply_nterror(req, status);
1539 goto out;
1540 }
1541
1542 status = filename_convert(ctx, conn,
1543 req->flags2 & FLAGS2_DFS_PATHNAMES,
1544 newname,
1545 ucf_flags_dst,
1546 &dest_has_wcard,
1547 &smb_fname_new);
1548 if (!NT_STATUS_IS_OK(status)) {
1549 if (NT_STATUS_EQUAL(status,
1550 NT_STATUS_PATH_NOT_COVERED)) {
1551 reply_botherror(req,
1552 NT_STATUS_PATH_NOT_COVERED,
1553 ERRSRV, ERRbadpath);
1554 goto out;
1555 }
1556 reply_nterror(req, status);
1557 goto out;
1558 }
1559
1560 DEBUG(3,("reply_ntrename: %s -> %s\n",
1561 smb_fname_str_dbg(smb_fname_old),
1562 smb_fname_str_dbg(smb_fname_new)));
1563
1564 switch(rename_type) {
1565 case RENAME_FLAG_RENAME:
1566 status = rename_internals(ctx, conn, req,
1567 smb_fname_old, smb_fname_new,
1568 attrs, False, src_has_wcard,
1569 dest_has_wcard,
1570 DELETE_ACCESS);
1571 break;
1572 case RENAME_FLAG_HARD_LINK:
1573 if (src_has_wcard || dest_has_wcard) {
1574 /* No wildcards. */
1575 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1576 } else {
1577 status = hardlink_internals(ctx, conn,
1578 smb_fname_old,
1579 smb_fname_new);
1580 }
1581 break;
1582 case RENAME_FLAG_COPY:
1583 if (src_has_wcard || dest_has_wcard) {
1584 /* No wildcards. */
1585 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1586 } else {
1587 status = copy_internals(ctx, conn, req,
1588 smb_fname_old,
1589 smb_fname_new,
1590 attrs);
1591 }
1592 break;
1593 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1594 status = NT_STATUS_INVALID_PARAMETER;
1595 break;
1596 default:
1597 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1598 break;
1599 }
1600
1601 if (!NT_STATUS_IS_OK(status)) {
1602 if (open_was_deferred(req->mid)) {
1603 /* We have re-scheduled this call. */
1604 goto out;
1605 }
1606
1607 reply_nterror(req, status);
1608 goto out;
1609 }
1610
1611 reply_outbuf(req, 0, 0);
1612 out:
1613 END_PROFILE(SMBntrename);
1614 return;
1615}
1616
1617/****************************************************************************
1618 Reply to a notify change - queue the request and
1619 don't allow a directory to be opened.
1620****************************************************************************/
1621
1622static void smbd_smb1_notify_reply(struct smb_request *req,
1623 NTSTATUS error_code,
1624 uint8_t *buf, size_t len)
1625{
1626 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1627}
1628
1629static void call_nt_transact_notify_change(connection_struct *conn,
1630 struct smb_request *req,
1631 uint16 **ppsetup,
1632 uint32 setup_count,
1633 char **ppparams,
1634 uint32 parameter_count,
1635 char **ppdata, uint32 data_count,
1636 uint32 max_data_count,
1637 uint32 max_param_count)
1638{
1639 uint16 *setup = *ppsetup;
1640 files_struct *fsp;
1641 uint32 filter;
1642 NTSTATUS status;
1643 bool recursive;
1644
1645 if(setup_count < 6) {
1646 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1647 return;
1648 }
1649
1650 fsp = file_fsp(req, SVAL(setup,4));
1651 filter = IVAL(setup, 0);
1652 recursive = (SVAL(setup, 6) != 0) ? True : False;
1653
1654 DEBUG(3,("call_nt_transact_notify_change\n"));
1655
1656 if(!fsp) {
1657 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1658 return;
1659 }
1660
1661 {
1662 char *filter_string;
1663
1664 if (!(filter_string = notify_filter_string(NULL, filter))) {
1665 reply_nterror(req,NT_STATUS_NO_MEMORY);
1666 return;
1667 }
1668
1669 DEBUG(3,("call_nt_transact_notify_change: notify change "
1670 "called on %s, filter = %s, recursive = %d\n",
1671 fsp_str_dbg(fsp), filter_string, recursive));
1672
1673 TALLOC_FREE(filter_string);
1674 }
1675
1676 if((!fsp->is_directory) || (conn != fsp->conn)) {
1677 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1678 return;
1679 }
1680
1681 if (fsp->notify == NULL) {
1682
1683 status = change_notify_create(fsp, filter, recursive);
1684
1685 if (!NT_STATUS_IS_OK(status)) {
1686 DEBUG(10, ("change_notify_create returned %s\n",
1687 nt_errstr(status)));
1688 reply_nterror(req, status);
1689 return;
1690 }
1691 }
1692
1693 if (fsp->notify->num_changes != 0) {
1694
1695 /*
1696 * We've got changes pending, respond immediately
1697 */
1698
1699 /*
1700 * TODO: write a torture test to check the filtering behaviour
1701 * here.
1702 */
1703
1704 change_notify_reply(fsp->conn, req,
1705 NT_STATUS_OK,
1706 max_param_count,
1707 fsp->notify,
1708 smbd_smb1_notify_reply);
1709
1710 /*
1711 * change_notify_reply() above has independently sent its
1712 * results
1713 */
1714 return;
1715 }
1716
1717 /*
1718 * No changes pending, queue the request
1719 */
1720
1721 status = change_notify_add_request(req,
1722 max_param_count,
1723 filter,
1724 recursive, fsp,
1725 smbd_smb1_notify_reply);
1726 if (!NT_STATUS_IS_OK(status)) {
1727 reply_nterror(req, status);
1728 }
1729 return;
1730}
1731
1732/****************************************************************************
1733 Reply to an NT transact rename command.
1734****************************************************************************/
1735
1736static void call_nt_transact_rename(connection_struct *conn,
1737 struct smb_request *req,
1738 uint16 **ppsetup, uint32 setup_count,
1739 char **ppparams, uint32 parameter_count,
1740 char **ppdata, uint32 data_count,
1741 uint32 max_data_count)
1742{
1743 char *params = *ppparams;
1744 char *new_name = NULL;
1745 files_struct *fsp = NULL;
1746 bool dest_has_wcard = False;
1747 NTSTATUS status;
1748 TALLOC_CTX *ctx = talloc_tos();
1749
1750 if(parameter_count < 5) {
1751 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1752 return;
1753 }
1754
1755 fsp = file_fsp(req, SVAL(params, 0));
1756 if (!check_fsp(conn, req, fsp)) {
1757 return;
1758 }
1759 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1760 parameter_count - 4,
1761 STR_TERMINATE, &status, &dest_has_wcard);
1762 if (!NT_STATUS_IS_OK(status)) {
1763 reply_nterror(req, status);
1764 return;
1765 }
1766
1767 /*
1768 * W2K3 ignores this request as the RAW-RENAME test
1769 * demonstrates, so we do.
1770 */
1771 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1772
1773 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1774 fsp_str_dbg(fsp), new_name));
1775
1776 return;
1777}
1778
1779/******************************************************************************
1780 Fake up a completely empty SD.
1781*******************************************************************************/
1782
1783static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1784{
1785 size_t sd_size;
1786
1787 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1788 if(!*ppsd) {
1789 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1790 return NT_STATUS_NO_MEMORY;
1791 }
1792
1793 return NT_STATUS_OK;
1794}
1795
1796/****************************************************************************
1797 Reply to query a security descriptor.
1798****************************************************************************/
1799
1800static void call_nt_transact_query_security_desc(connection_struct *conn,
1801 struct smb_request *req,
1802 uint16 **ppsetup,
1803 uint32 setup_count,
1804 char **ppparams,
1805 uint32 parameter_count,
1806 char **ppdata,
1807 uint32 data_count,
1808 uint32 max_data_count)
1809{
1810 char *params = *ppparams;
1811 char *data = *ppdata;
1812 SEC_DESC *psd = NULL;
1813 size_t sd_size;
1814 uint32 security_info_wanted;
1815 files_struct *fsp = NULL;
1816 NTSTATUS status;
1817 DATA_BLOB blob;
1818
1819 if(parameter_count < 8) {
1820 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1821 return;
1822 }
1823
1824 fsp = file_fsp(req, SVAL(params,0));
1825 if(!fsp) {
1826 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1827 return;
1828 }
1829
1830 security_info_wanted = IVAL(params,4);
1831
1832 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1833 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1834 (unsigned int)security_info_wanted));
1835
1836 params = nttrans_realloc(ppparams, 4);
1837 if(params == NULL) {
1838 reply_nterror(req, NT_STATUS_NO_MEMORY);
1839 return;
1840 }
1841
1842 /*
1843 * Get the permissions to return.
1844 */
1845
1846 if ((security_info_wanted & SECINFO_SACL) &&
1847 !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1848 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1849 return;
1850 }
1851
1852 if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1853 !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1854 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1855 return;
1856 }
1857
1858 if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
1859 SECINFO_GROUP|SECINFO_SACL)) {
1860 /* Don't return SECINFO_LABEL if anything else was
1861 requested. See bug #8458. */
1862 security_info_wanted &= ~SECINFO_LABEL;
1863 }
1864
1865 if (!lp_nt_acl_support(SNUM(conn))) {
1866 status = get_null_nt_acl(talloc_tos(), &psd);
1867 } else if (security_info_wanted & SECINFO_LABEL) {
1868 /* Like W2K3 return a null object. */
1869 status = get_null_nt_acl(talloc_tos(), &psd);
1870 } else {
1871 status = SMB_VFS_FGET_NT_ACL(
1872 fsp, security_info_wanted, &psd);
1873 }
1874 if (!NT_STATUS_IS_OK(status)) {
1875 reply_nterror(req, status);
1876 return;
1877 }
1878
1879 if (!(security_info_wanted & SECINFO_OWNER)) {
1880 psd->owner_sid = NULL;
1881 }
1882 if (!(security_info_wanted & SECINFO_GROUP)) {
1883 psd->group_sid = NULL;
1884 }
1885 if (!(security_info_wanted & SECINFO_DACL)) {
1886 psd->type &= ~SEC_DESC_DACL_PRESENT;
1887 psd->dacl = NULL;
1888 }
1889 if (!(security_info_wanted & SECINFO_SACL)) {
1890 psd->type &= ~SEC_DESC_SACL_PRESENT;
1891 psd->sacl = NULL;
1892 }
1893
1894 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1895 * present in the reply to match Windows behavior */
1896 if (psd->sacl == NULL &&
1897 security_info_wanted & SACL_SECURITY_INFORMATION)
1898 psd->type |= SEC_DESC_SACL_PRESENT;
1899 if (psd->dacl == NULL &&
1900 security_info_wanted & DACL_SECURITY_INFORMATION)
1901 psd->type |= SEC_DESC_DACL_PRESENT;
1902
1903 if (security_info_wanted & SECINFO_LABEL) {
1904 /* Like W2K3 return a null object. */
1905 psd->owner_sid = NULL;
1906 psd->group_sid = NULL;
1907 psd->dacl = NULL;
1908 psd->sacl = NULL;
1909 psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
1910 }
1911
1912 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1913
1914 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1915
1916 if (DEBUGLEVEL >= 10) {
1917 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1918 fsp_str_dbg(fsp)));
1919 NDR_PRINT_DEBUG(security_descriptor, psd);
1920 }
1921
1922 SIVAL(params,0,(uint32)sd_size);
1923
1924 if (max_data_count < sd_size) {
1925 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1926 params, 4, *ppdata, 0);
1927 return;
1928 }
1929
1930 /*
1931 * Allocate the data we will point this at.
1932 */
1933
1934 data = nttrans_realloc(ppdata, sd_size);
1935 if(data == NULL) {
1936 reply_nterror(req, NT_STATUS_NO_MEMORY);
1937 return;
1938 }
1939
1940 status = marshall_sec_desc(talloc_tos(), psd,
1941 &blob.data, &blob.length);
1942
1943 if (!NT_STATUS_IS_OK(status)) {
1944 reply_nterror(req, status);
1945 return;
1946 }
1947
1948 SMB_ASSERT(sd_size == blob.length);
1949 memcpy(data, blob.data, sd_size);
1950
1951 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1952
1953 return;
1954}
1955
1956/****************************************************************************
1957 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1958****************************************************************************/
1959
1960static void call_nt_transact_set_security_desc(connection_struct *conn,
1961 struct smb_request *req,
1962 uint16 **ppsetup,
1963 uint32 setup_count,
1964 char **ppparams,
1965 uint32 parameter_count,
1966 char **ppdata,
1967 uint32 data_count,
1968 uint32 max_data_count)
1969{
1970 char *params= *ppparams;
1971 char *data = *ppdata;
1972 files_struct *fsp = NULL;
1973 uint32 security_info_sent = 0;
1974 NTSTATUS status;
1975
1976 if(parameter_count < 8) {
1977 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1978 return;
1979 }
1980
1981 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1982 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1983 return;
1984 }
1985
1986 if(!lp_nt_acl_support(SNUM(conn))) {
1987 goto done;
1988 }
1989
1990 security_info_sent = IVAL(params,4);
1991
1992 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1993 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1994
1995 if (data_count == 0) {
1996 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1997 return;
1998 }
1999
2000 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
2001
2002 if (!NT_STATUS_IS_OK(status)) {
2003 reply_nterror(req, status);
2004 return;
2005 }
2006
2007 done:
2008 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2009 return;
2010}
2011
2012/****************************************************************************
2013 Reply to NT IOCTL
2014****************************************************************************/
2015
2016static void call_nt_transact_ioctl(connection_struct *conn,
2017 struct smb_request *req,
2018 uint16 **ppsetup, uint32 setup_count,
2019 char **ppparams, uint32 parameter_count,
2020 char **ppdata, uint32 data_count,
2021 uint32 max_data_count)
2022{
2023 uint32 function;
2024 uint16 fidnum;
2025 files_struct *fsp;
2026 uint8 isFSctl;
2027 uint8 compfilter;
2028 char *pdata = *ppdata;
2029
2030 if (setup_count != 8) {
2031 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2032 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2033 return;
2034 }
2035
2036 function = IVAL(*ppsetup, 0);
2037 fidnum = SVAL(*ppsetup, 4);
2038 isFSctl = CVAL(*ppsetup, 6);
2039 compfilter = CVAL(*ppsetup, 7);
2040
2041 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2042 function, fidnum, isFSctl, compfilter));
2043
2044 fsp=file_fsp(req, fidnum);
2045 /* this check is done in each implemented function case for now
2046 because I don't want to break anything... --metze
2047 FSP_BELONGS_CONN(fsp,conn);*/
2048
2049 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2050
2051 switch (function) {
2052 case FSCTL_SET_SPARSE:
2053 /* pretend this succeeded - tho strictly we should
2054 mark the file sparse (if the local fs supports it)
2055 so we can know if we need to pre-allocate or not */
2056
2057 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2058 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2059 return;
2060
2061 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2062 {
2063 unsigned char objid[16];
2064
2065 /* This should return the object-id on this file.
2066 * I think I'll make this be the inode+dev. JRA.
2067 */
2068
2069 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2070
2071 if (!fsp_belongs_conn(conn, req, fsp)) {
2072 return;
2073 }
2074
2075 data_count = 64;
2076 pdata = nttrans_realloc(ppdata, data_count);
2077 if (pdata == NULL) {
2078 reply_nterror(req, NT_STATUS_NO_MEMORY);
2079 return;
2080 }
2081
2082 /* For backwards compatibility only store the dev/inode. */
2083 push_file_id_16(pdata, &fsp->file_id);
2084 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2085 push_file_id_16(pdata+32, &fsp->file_id);
2086 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2087 pdata, data_count);
2088 return;
2089 }
2090
2091 case FSCTL_GET_REPARSE_POINT:
2092 /* pretend this fail - my winXP does it like this
2093 * --metze
2094 */
2095
2096 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2097 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2098 return;
2099
2100 case FSCTL_SET_REPARSE_POINT:
2101 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2102 * --metze
2103 */
2104
2105 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2106 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2107 return;
2108
2109 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2110 {
2111 /*
2112 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2113 * and return their volume names. If max_data_count is 16, then it is just
2114 * asking for the number of volumes and length of the combined names.
2115 *
2116 * pdata is the data allocated by our caller, but that uses
2117 * total_data_count (which is 0 in our case) rather than max_data_count.
2118 * Allocate the correct amount and return the pointer to let
2119 * it be deallocated when we return.
2120 */
2121 SHADOW_COPY_DATA *shadow_data = NULL;
2122 TALLOC_CTX *shadow_mem_ctx = NULL;
2123 bool labels = False;
2124 uint32 labels_data_count = 0;
2125 uint32 i;
2126 char *cur_pdata;
2127
2128 if (!fsp_belongs_conn(conn, req, fsp)) {
2129 return;
2130 }
2131
2132 if (max_data_count < 16) {
2133 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2134 max_data_count));
2135 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2136 return;
2137 }
2138
2139 if (max_data_count > 16) {
2140 labels = True;
2141 }
2142
2143 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2144 if (shadow_mem_ctx == NULL) {
2145 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2146 reply_nterror(req, NT_STATUS_NO_MEMORY);
2147 return;
2148 }
2149
2150 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2151 if (shadow_data == NULL) {
2152 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2153 talloc_destroy(shadow_mem_ctx);
2154 reply_nterror(req, NT_STATUS_NO_MEMORY);
2155 return;
2156 }
2157
2158 shadow_data->mem_ctx = shadow_mem_ctx;
2159
2160 /*
2161 * Call the VFS routine to actually do the work.
2162 */
2163 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2164 talloc_destroy(shadow_data->mem_ctx);
2165 if (errno == ENOSYS) {
2166 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2167 conn->connectpath));
2168 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2169 return;
2170 } else {
2171 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2172 conn->connectpath));
2173 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2174 return;
2175 }
2176 }
2177
2178 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2179
2180 if (!labels) {
2181 data_count = 16;
2182 } else {
2183 data_count = 12+labels_data_count+4;
2184 }
2185
2186 if (max_data_count<data_count) {
2187 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2188 max_data_count,data_count));
2189 talloc_destroy(shadow_data->mem_ctx);
2190 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2191 return;
2192 }
2193
2194 pdata = nttrans_realloc(ppdata, data_count);
2195 if (pdata == NULL) {
2196 talloc_destroy(shadow_data->mem_ctx);
2197 reply_nterror(req, NT_STATUS_NO_MEMORY);
2198 return;
2199 }
2200
2201 cur_pdata = pdata;
2202
2203 /* num_volumes 4 bytes */
2204 SIVAL(pdata,0,shadow_data->num_volumes);
2205
2206 if (labels) {
2207 /* num_labels 4 bytes */
2208 SIVAL(pdata,4,shadow_data->num_volumes);
2209 }
2210
2211 /* needed_data_count 4 bytes */
2212 SIVAL(pdata, 8, labels_data_count+4);
2213
2214 cur_pdata+=12;
2215
2216 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2217 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2218 if (labels && shadow_data->labels) {
2219 for (i=0;i<shadow_data->num_volumes;i++) {
2220 srvstr_push(pdata, req->flags2,
2221 cur_pdata, shadow_data->labels[i],
2222 2*sizeof(SHADOW_COPY_LABEL),
2223 STR_UNICODE|STR_TERMINATE);
2224 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2225 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2226 }
2227 }
2228
2229 talloc_destroy(shadow_data->mem_ctx);
2230
2231 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2232 pdata, data_count);
2233
2234 return;
2235 }
2236
2237 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2238 {
2239 /* pretend this succeeded -
2240 *
2241 * we have to send back a list with all files owned by this SID
2242 *
2243 * but I have to check that --metze
2244 */
2245 DOM_SID sid;
2246 uid_t uid;
2247 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2248
2249 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2250
2251 if (!fsp_belongs_conn(conn, req, fsp)) {
2252 return;
2253 }
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
2263 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2264
2265 if (!sid_to_uid(&sid, &uid)) {
2266 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2267 sid_string_dbg(&sid),
2268 (unsigned long)sid_len));
2269 uid = (-1);
2270 }
2271
2272 /* we can take a look at the find source :-)
2273 *
2274 * find ./ -uid $uid -name '*' is what we need here
2275 *
2276 *
2277 * and send 4bytes len and then NULL terminated unicode strings
2278 * for each file
2279 *
2280 * but I don't know how to deal with the paged results
2281 * (maybe we can hang the result anywhere in the fsp struct)
2282 *
2283 * we don't send all files at once
2284 * and at the next we should *not* start from the beginning,
2285 * so we have to cache the result
2286 *
2287 * --metze
2288 */
2289
2290 /* this works for now... */
2291 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2292 return;
2293 }
2294 default:
2295 if (!logged_ioctl_message) {
2296 logged_ioctl_message = true; /* Only print this once... */
2297 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2298 function));
2299 }
2300 }
2301
2302 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2303}
2304
2305
2306#ifdef HAVE_SYS_QUOTAS
2307/****************************************************************************
2308 Reply to get user quota
2309****************************************************************************/
2310
2311static void call_nt_transact_get_user_quota(connection_struct *conn,
2312 struct smb_request *req,
2313 uint16 **ppsetup,
2314 uint32 setup_count,
2315 char **ppparams,
2316 uint32 parameter_count,
2317 char **ppdata,
2318 uint32 data_count,
2319 uint32 max_data_count)
2320{
2321 NTSTATUS nt_status = NT_STATUS_OK;
2322 char *params = *ppparams;
2323 char *pdata = *ppdata;
2324 char *entry;
2325 int data_len=0,param_len=0;
2326 int qt_len=0;
2327 int entry_len = 0;
2328 files_struct *fsp = NULL;
2329 uint16 level = 0;
2330 size_t sid_len;
2331 DOM_SID sid;
2332 bool start_enum = True;
2333 SMB_NTQUOTA_STRUCT qt;
2334 SMB_NTQUOTA_LIST *tmp_list;
2335 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2336
2337 ZERO_STRUCT(qt);
2338
2339 /* access check */
2340 if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
2341 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2342 "[%s]\n", lp_servicename(SNUM(conn)),
2343 conn->server_info->unix_name));
2344 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2345 return;
2346 }
2347
2348 /*
2349 * Ensure minimum number of parameters sent.
2350 */
2351
2352 if (parameter_count < 4) {
2353 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2354 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2355 return;
2356 }
2357
2358 /* maybe we can check the quota_fnum */
2359 fsp = file_fsp(req, SVAL(params,0));
2360 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2361 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2362 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2363 return;
2364 }
2365
2366 /* the NULL pointer checking for fsp->fake_file_handle->pd
2367 * is done by CHECK_NTQUOTA_HANDLE_OK()
2368 */
2369 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2370
2371 level = SVAL(params,2);
2372
2373 /* unknown 12 bytes leading in params */
2374
2375 switch (level) {
2376 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2377 /* seems that we should continue with the enum here --metze */
2378
2379 if (qt_handle->quota_list!=NULL &&
2380 qt_handle->tmp_list==NULL) {
2381
2382 /* free the list */
2383 free_ntquota_list(&(qt_handle->quota_list));
2384
2385 /* Realloc the size of parameters and data we will return */
2386 param_len = 4;
2387 params = nttrans_realloc(ppparams, param_len);
2388 if(params == NULL) {
2389 reply_nterror(req, NT_STATUS_NO_MEMORY);
2390 return;
2391 }
2392
2393 data_len = 0;
2394 SIVAL(params,0,data_len);
2395
2396 break;
2397 }
2398
2399 start_enum = False;
2400
2401 case TRANSACT_GET_USER_QUOTA_LIST_START:
2402
2403 if (qt_handle->quota_list==NULL &&
2404 qt_handle->tmp_list==NULL) {
2405 start_enum = True;
2406 }
2407
2408 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2409 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2410 return;
2411 }
2412
2413 /* Realloc the size of parameters and data we will return */
2414 param_len = 4;
2415 params = nttrans_realloc(ppparams, param_len);
2416 if(params == NULL) {
2417 reply_nterror(req, NT_STATUS_NO_MEMORY);
2418 return;
2419 }
2420
2421 /* we should not trust the value in max_data_count*/
2422 max_data_count = MIN(max_data_count,2048);
2423
2424 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2425 if(pdata == NULL) {
2426 reply_nterror(req, NT_STATUS_NO_MEMORY);
2427 return;
2428 }
2429
2430 entry = pdata;
2431
2432 /* set params Size of returned Quota Data 4 bytes*/
2433 /* but set it later when we know it */
2434
2435 /* for each entry push the data */
2436
2437 if (start_enum) {
2438 qt_handle->tmp_list = qt_handle->quota_list;
2439 }
2440
2441 tmp_list = qt_handle->tmp_list;
2442
2443 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2444 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2445
2446 sid_len = ndr_size_dom_sid(
2447 &tmp_list->quotas->sid, NULL, 0);
2448 entry_len = 40 + sid_len;
2449
2450 /* nextoffset entry 4 bytes */
2451 SIVAL(entry,0,entry_len);
2452
2453 /* then the len of the SID 4 bytes */
2454 SIVAL(entry,4,sid_len);
2455
2456 /* unknown data 8 bytes uint64_t */
2457 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2458
2459 /* the used disk space 8 bytes uint64_t */
2460 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2461
2462 /* the soft quotas 8 bytes uint64_t */
2463 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2464
2465 /* the hard quotas 8 bytes uint64_t */
2466 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2467
2468 /* and now the SID */
2469 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2470 }
2471
2472 qt_handle->tmp_list = tmp_list;
2473
2474 /* overwrite the offset of the last entry */
2475 SIVAL(entry-entry_len,0,0);
2476
2477 data_len = 4+qt_len;
2478 /* overwrite the params quota_data_len */
2479 SIVAL(params,0,data_len);
2480
2481 break;
2482
2483 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2484
2485 /* unknown 4 bytes IVAL(pdata,0) */
2486
2487 if (data_count < 8) {
2488 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2489 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2490 return;
2491 }
2492
2493 sid_len = IVAL(pdata,4);
2494 /* Ensure this is less than 1mb. */
2495 if (sid_len > (1024*1024)) {
2496 reply_nterror(req, NT_STATUS_NO_MEMORY);
2497 return;
2498 }
2499
2500 if (data_count < 8+sid_len) {
2501 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2502 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2503 return;
2504 }
2505
2506 data_len = 4+40+sid_len;
2507
2508 if (max_data_count < data_len) {
2509 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2510 max_data_count, data_len));
2511 param_len = 4;
2512 SIVAL(params,0,data_len);
2513 data_len = 0;
2514 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2515 break;
2516 }
2517
2518 if (!sid_parse(pdata+8,sid_len,&sid)) {
2519 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2520 return;
2521 }
2522
2523 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2524 ZERO_STRUCT(qt);
2525 /*
2526 * we have to return zero's in all fields
2527 * instead of returning an error here
2528 * --metze
2529 */
2530 }
2531
2532 /* Realloc the size of parameters and data we will return */
2533 param_len = 4;
2534 params = nttrans_realloc(ppparams, param_len);
2535 if(params == NULL) {
2536 reply_nterror(req, NT_STATUS_NO_MEMORY);
2537 return;
2538 }
2539
2540 pdata = nttrans_realloc(ppdata, data_len);
2541 if(pdata == NULL) {
2542 reply_nterror(req, NT_STATUS_NO_MEMORY);
2543 return;
2544 }
2545
2546 entry = pdata;
2547
2548 /* set params Size of returned Quota Data 4 bytes*/
2549 SIVAL(params,0,data_len);
2550
2551 /* nextoffset entry 4 bytes */
2552 SIVAL(entry,0,0);
2553
2554 /* then the len of the SID 4 bytes */
2555 SIVAL(entry,4,sid_len);
2556
2557 /* unknown data 8 bytes uint64_t */
2558 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2559
2560 /* the used disk space 8 bytes uint64_t */
2561 SBIG_UINT(entry,16,qt.usedspace);
2562
2563 /* the soft quotas 8 bytes uint64_t */
2564 SBIG_UINT(entry,24,qt.softlim);
2565
2566 /* the hard quotas 8 bytes uint64_t */
2567 SBIG_UINT(entry,32,qt.hardlim);
2568
2569 /* and now the SID */
2570 sid_linearize(entry+40, sid_len, &sid);
2571
2572 break;
2573
2574 default:
2575 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2576 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2577 return;
2578 break;
2579 }
2580
2581 send_nt_replies(conn, req, nt_status, params, param_len,
2582 pdata, data_len);
2583}
2584
2585/****************************************************************************
2586 Reply to set user quota
2587****************************************************************************/
2588
2589static void call_nt_transact_set_user_quota(connection_struct *conn,
2590 struct smb_request *req,
2591 uint16 **ppsetup,
2592 uint32 setup_count,
2593 char **ppparams,
2594 uint32 parameter_count,
2595 char **ppdata,
2596 uint32 data_count,
2597 uint32 max_data_count)
2598{
2599 char *params = *ppparams;
2600 char *pdata = *ppdata;
2601 int data_len=0,param_len=0;
2602 SMB_NTQUOTA_STRUCT qt;
2603 size_t sid_len;
2604 DOM_SID sid;
2605 files_struct *fsp = NULL;
2606
2607 ZERO_STRUCT(qt);
2608
2609 /* access check */
2610 if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
2611 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2612 "[%s]\n", lp_servicename(SNUM(conn)),
2613 conn->server_info->unix_name));
2614 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2615 return;
2616 }
2617
2618 /*
2619 * Ensure minimum number of parameters sent.
2620 */
2621
2622 if (parameter_count < 2) {
2623 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2624 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2625 return;
2626 }
2627
2628 /* maybe we can check the quota_fnum */
2629 fsp = file_fsp(req, SVAL(params,0));
2630 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2631 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2632 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2633 return;
2634 }
2635
2636 if (data_count < 40) {
2637 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2638 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2639 return;
2640 }
2641
2642 /* offset to next quota record.
2643 * 4 bytes IVAL(pdata,0)
2644 * unused here...
2645 */
2646
2647 /* sid len */
2648 sid_len = IVAL(pdata,4);
2649
2650 if (data_count < 40+sid_len) {
2651 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2652 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2653 return;
2654 }
2655
2656 /* unknown 8 bytes in pdata
2657 * maybe its the change time in NTTIME
2658 */
2659
2660 /* the used space 8 bytes (uint64_t)*/
2661 qt.usedspace = (uint64_t)IVAL(pdata,16);
2662#ifdef LARGE_SMB_OFF_T
2663 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2664#else /* LARGE_SMB_OFF_T */
2665 if ((IVAL(pdata,20) != 0)&&
2666 ((qt.usedspace != 0xFFFFFFFF)||
2667 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2668 /* more than 32 bits? */
2669 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2670 return;
2671 }
2672#endif /* LARGE_SMB_OFF_T */
2673
2674 /* the soft quotas 8 bytes (uint64_t)*/
2675 qt.softlim = (uint64_t)IVAL(pdata,24);
2676#ifdef LARGE_SMB_OFF_T
2677 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2678#else /* LARGE_SMB_OFF_T */
2679 if ((IVAL(pdata,28) != 0)&&
2680 ((qt.softlim != 0xFFFFFFFF)||
2681 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2682 /* more than 32 bits? */
2683 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2684 return;
2685 }
2686#endif /* LARGE_SMB_OFF_T */
2687
2688 /* the hard quotas 8 bytes (uint64_t)*/
2689 qt.hardlim = (uint64_t)IVAL(pdata,32);
2690#ifdef LARGE_SMB_OFF_T
2691 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2692#else /* LARGE_SMB_OFF_T */
2693 if ((IVAL(pdata,36) != 0)&&
2694 ((qt.hardlim != 0xFFFFFFFF)||
2695 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2696 /* more than 32 bits? */
2697 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2698 return;
2699 }
2700#endif /* LARGE_SMB_OFF_T */
2701
2702 if (!sid_parse(pdata+40,sid_len,&sid)) {
2703 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2704 return;
2705 }
2706
2707 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2708
2709 /* 44 unknown bytes left... */
2710
2711 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2712 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2713 return;
2714 }
2715
2716 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2717 pdata, data_len);
2718}
2719#endif /* HAVE_SYS_QUOTAS */
2720
2721static void handle_nttrans(connection_struct *conn,
2722 struct trans_state *state,
2723 struct smb_request *req)
2724{
2725 if (get_Protocol() >= PROTOCOL_NT1) {
2726 req->flags2 |= 0x40; /* IS_LONG_NAME */
2727 SSVAL(req->inbuf,smb_flg2,req->flags2);
2728 }
2729
2730
2731 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2732
2733 /* Now we must call the relevant NT_TRANS function */
2734 switch(state->call) {
2735 case NT_TRANSACT_CREATE:
2736 {
2737 START_PROFILE(NT_transact_create);
2738 call_nt_transact_create(
2739 conn, req,
2740 &state->setup, state->setup_count,
2741 &state->param, state->total_param,
2742 &state->data, state->total_data,
2743 state->max_data_return);
2744 END_PROFILE(NT_transact_create);
2745 break;
2746 }
2747
2748 case NT_TRANSACT_IOCTL:
2749 {
2750 START_PROFILE(NT_transact_ioctl);
2751 call_nt_transact_ioctl(
2752 conn, req,
2753 &state->setup, state->setup_count,
2754 &state->param, state->total_param,
2755 &state->data, state->total_data,
2756 state->max_data_return);
2757 END_PROFILE(NT_transact_ioctl);
2758 break;
2759 }
2760
2761 case NT_TRANSACT_SET_SECURITY_DESC:
2762 {
2763 START_PROFILE(NT_transact_set_security_desc);
2764 call_nt_transact_set_security_desc(
2765 conn, req,
2766 &state->setup, state->setup_count,
2767 &state->param, state->total_param,
2768 &state->data, state->total_data,
2769 state->max_data_return);
2770 END_PROFILE(NT_transact_set_security_desc);
2771 break;
2772 }
2773
2774 case NT_TRANSACT_NOTIFY_CHANGE:
2775 {
2776 START_PROFILE(NT_transact_notify_change);
2777 call_nt_transact_notify_change(
2778 conn, req,
2779 &state->setup, state->setup_count,
2780 &state->param, state->total_param,
2781 &state->data, state->total_data,
2782 state->max_data_return,
2783 state->max_param_return);
2784 END_PROFILE(NT_transact_notify_change);
2785 break;
2786 }
2787
2788 case NT_TRANSACT_RENAME:
2789 {
2790 START_PROFILE(NT_transact_rename);
2791 call_nt_transact_rename(
2792 conn, req,
2793 &state->setup, state->setup_count,
2794 &state->param, state->total_param,
2795 &state->data, state->total_data,
2796 state->max_data_return);
2797 END_PROFILE(NT_transact_rename);
2798 break;
2799 }
2800
2801 case NT_TRANSACT_QUERY_SECURITY_DESC:
2802 {
2803 START_PROFILE(NT_transact_query_security_desc);
2804 call_nt_transact_query_security_desc(
2805 conn, req,
2806 &state->setup, state->setup_count,
2807 &state->param, state->total_param,
2808 &state->data, state->total_data,
2809 state->max_data_return);
2810 END_PROFILE(NT_transact_query_security_desc);
2811 break;
2812 }
2813
2814#ifdef HAVE_SYS_QUOTAS
2815 case NT_TRANSACT_GET_USER_QUOTA:
2816 {
2817 START_PROFILE(NT_transact_get_user_quota);
2818 call_nt_transact_get_user_quota(
2819 conn, req,
2820 &state->setup, state->setup_count,
2821 &state->param, state->total_param,
2822 &state->data, state->total_data,
2823 state->max_data_return);
2824 END_PROFILE(NT_transact_get_user_quota);
2825 break;
2826 }
2827
2828 case NT_TRANSACT_SET_USER_QUOTA:
2829 {
2830 START_PROFILE(NT_transact_set_user_quota);
2831 call_nt_transact_set_user_quota(
2832 conn, req,
2833 &state->setup, state->setup_count,
2834 &state->param, state->total_param,
2835 &state->data, state->total_data,
2836 state->max_data_return);
2837 END_PROFILE(NT_transact_set_user_quota);
2838 break;
2839 }
2840#endif /* HAVE_SYS_QUOTAS */
2841
2842 default:
2843 /* Error in request */
2844 DEBUG(0,("handle_nttrans: Unknown request %d in "
2845 "nttrans call\n", state->call));
2846 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2847 return;
2848 }
2849 return;
2850}
2851
2852/****************************************************************************
2853 Reply to a SMBNTtrans.
2854****************************************************************************/
2855
2856void reply_nttrans(struct smb_request *req)
2857{
2858 connection_struct *conn = req->conn;
2859 uint32_t pscnt;
2860 uint32_t psoff;
2861 uint32_t dscnt;
2862 uint32_t dsoff;
2863 uint16 function_code;
2864 NTSTATUS result;
2865 struct trans_state *state;
2866
2867 START_PROFILE(SMBnttrans);
2868
2869 if (req->wct < 19) {
2870 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2871 END_PROFILE(SMBnttrans);
2872 return;
2873 }
2874
2875 pscnt = IVAL(req->vwv+9, 1);
2876 psoff = IVAL(req->vwv+11, 1);
2877 dscnt = IVAL(req->vwv+13, 1);
2878 dsoff = IVAL(req->vwv+15, 1);
2879 function_code = SVAL(req->vwv+18, 0);
2880
2881 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2882 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2883 END_PROFILE(SMBnttrans);
2884 return;
2885 }
2886
2887 result = allow_new_trans(conn->pending_trans, req->mid);
2888 if (!NT_STATUS_IS_OK(result)) {
2889 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2890 reply_nterror(req, result);
2891 END_PROFILE(SMBnttrans);
2892 return;
2893 }
2894
2895 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2896 reply_nterror(req, NT_STATUS_NO_MEMORY);
2897 END_PROFILE(SMBnttrans);
2898 return;
2899 }
2900
2901 state->cmd = SMBnttrans;
2902
2903 state->mid = req->mid;
2904 state->vuid = req->vuid;
2905 state->total_data = IVAL(req->vwv+3, 1);
2906 state->data = NULL;
2907 state->total_param = IVAL(req->vwv+1, 1);
2908 state->param = NULL;
2909 state->max_data_return = IVAL(req->vwv+7, 1);
2910 state->max_param_return = IVAL(req->vwv+5, 1);
2911
2912 /* setup count is in *words* */
2913 state->setup_count = 2*CVAL(req->vwv+17, 1);
2914 state->setup = NULL;
2915 state->call = function_code;
2916
2917 DEBUG(10, ("num_setup=%u, "
2918 "param_total=%u, this_param=%u, max_param=%u, "
2919 "data_total=%u, this_data=%u, max_data=%u, "
2920 "param_offset=%u, data_offset=%u\n",
2921 (unsigned)state->setup_count,
2922 (unsigned)state->total_param, (unsigned)pscnt,
2923 (unsigned)state->max_param_return,
2924 (unsigned)state->total_data, (unsigned)dscnt,
2925 (unsigned)state->max_data_return,
2926 (unsigned)psoff, (unsigned)dsoff));
2927
2928 /*
2929 * All nttrans messages we handle have smb_wct == 19 +
2930 * state->setup_count. Ensure this is so as a sanity check.
2931 */
2932
2933 if(req->wct != 19 + (state->setup_count/2)) {
2934 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2935 req->wct, 19 + (state->setup_count/2)));
2936 goto bad_param;
2937 }
2938
2939 /* Don't allow more than 128mb for each value. */
2940 if ((state->total_data > (1024*1024*128)) ||
2941 (state->total_param > (1024*1024*128))) {
2942 reply_nterror(req, NT_STATUS_NO_MEMORY);
2943 END_PROFILE(SMBnttrans);
2944 return;
2945 }
2946
2947 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2948 goto bad_param;
2949
2950 if (state->total_data) {
2951
2952 if (trans_oob(state->total_data, 0, dscnt)
2953 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2954 goto bad_param;
2955 }
2956
2957 /* Can't use talloc here, the core routines do realloc on the
2958 * params and data. */
2959 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2960 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2961 "bytes !\n", (unsigned int)state->total_data));
2962 TALLOC_FREE(state);
2963 reply_nterror(req, NT_STATUS_NO_MEMORY);
2964 END_PROFILE(SMBnttrans);
2965 return;
2966 }
2967
2968 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2969 }
2970
2971 if (state->total_param) {
2972
2973 if (trans_oob(state->total_param, 0, pscnt)
2974 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2975 goto bad_param;
2976 }
2977
2978 /* Can't use talloc here, the core routines do realloc on the
2979 * params and data. */
2980 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2981 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2982 "bytes !\n", (unsigned int)state->total_param));
2983 SAFE_FREE(state->data);
2984 TALLOC_FREE(state);
2985 reply_nterror(req, NT_STATUS_NO_MEMORY);
2986 END_PROFILE(SMBnttrans);
2987 return;
2988 }
2989
2990 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2991 }
2992
2993 state->received_data = dscnt;
2994 state->received_param = pscnt;
2995
2996 if(state->setup_count > 0) {
2997 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2998 state->setup_count));
2999
3000 /*
3001 * No overflow possible here, state->setup_count is an
3002 * unsigned int, being filled by a single byte from
3003 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3004 * below is not necessary, it's here to clarify things. The
3005 * validity of req->vwv and req->wct has been checked in
3006 * init_smb_request already.
3007 */
3008 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3009 goto bad_param;
3010 }
3011
3012 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3013 if (state->setup == NULL) {
3014 DEBUG(0,("reply_nttrans : Out of memory\n"));
3015 SAFE_FREE(state->data);
3016 SAFE_FREE(state->param);
3017 TALLOC_FREE(state);
3018 reply_nterror(req, NT_STATUS_NO_MEMORY);
3019 END_PROFILE(SMBnttrans);
3020 return;
3021 }
3022
3023 memcpy(state->setup, req->vwv+19, state->setup_count);
3024 dump_data(10, (uint8 *)state->setup, state->setup_count);
3025 }
3026
3027 if ((state->received_data == state->total_data) &&
3028 (state->received_param == state->total_param)) {
3029 handle_nttrans(conn, state, req);
3030 SAFE_FREE(state->param);
3031 SAFE_FREE(state->data);
3032 TALLOC_FREE(state);
3033 END_PROFILE(SMBnttrans);
3034 return;
3035 }
3036
3037 DLIST_ADD(conn->pending_trans, state);
3038
3039 /* We need to send an interim response then receive the rest
3040 of the parameter/data bytes */
3041 reply_outbuf(req, 0, 0);
3042 show_msg((char *)req->outbuf);
3043 END_PROFILE(SMBnttrans);
3044 return;
3045
3046 bad_param:
3047
3048 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3049 SAFE_FREE(state->data);
3050 SAFE_FREE(state->param);
3051 TALLOC_FREE(state);
3052 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3053 END_PROFILE(SMBnttrans);
3054 return;
3055}
3056
3057/****************************************************************************
3058 Reply to a SMBnttranss
3059 ****************************************************************************/
3060
3061void reply_nttranss(struct smb_request *req)
3062{
3063 connection_struct *conn = req->conn;
3064 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3065 struct trans_state *state;
3066
3067 START_PROFILE(SMBnttranss);
3068
3069 show_msg((char *)req->inbuf);
3070
3071 if (req->wct < 18) {
3072 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3073 END_PROFILE(SMBnttranss);
3074 return;
3075 }
3076
3077 for (state = conn->pending_trans; state != NULL;
3078 state = state->next) {
3079 if (state->mid == req->mid) {
3080 break;
3081 }
3082 }
3083
3084 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3085 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3086 END_PROFILE(SMBnttranss);
3087 return;
3088 }
3089
3090 /* Revise state->total_param and state->total_data in case they have
3091 changed downwards */
3092 if (IVAL(req->vwv+1, 1) < state->total_param) {
3093 state->total_param = IVAL(req->vwv+1, 1);
3094 }
3095 if (IVAL(req->vwv+3, 1) < state->total_data) {
3096 state->total_data = IVAL(req->vwv+3, 1);
3097 }
3098
3099 pcnt = IVAL(req->vwv+5, 1);
3100 poff = IVAL(req->vwv+7, 1);
3101 pdisp = IVAL(req->vwv+9, 1);
3102
3103 dcnt = IVAL(req->vwv+11, 1);
3104 doff = IVAL(req->vwv+13, 1);
3105 ddisp = IVAL(req->vwv+15, 1);
3106
3107 state->received_param += pcnt;
3108 state->received_data += dcnt;
3109
3110 if ((state->received_data > state->total_data) ||
3111 (state->received_param > state->total_param))
3112 goto bad_param;
3113
3114 if (pcnt) {
3115 if (trans_oob(state->total_param, pdisp, pcnt)
3116 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3117 goto bad_param;
3118 }
3119 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3120 }
3121
3122 if (dcnt) {
3123 if (trans_oob(state->total_data, ddisp, dcnt)
3124 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3125 goto bad_param;
3126 }
3127 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3128 }
3129
3130 if ((state->received_param < state->total_param) ||
3131 (state->received_data < state->total_data)) {
3132 END_PROFILE(SMBnttranss);
3133 return;
3134 }
3135
3136 handle_nttrans(conn, state, req);
3137
3138 DLIST_REMOVE(conn->pending_trans, state);
3139 SAFE_FREE(state->data);
3140 SAFE_FREE(state->param);
3141 TALLOC_FREE(state);
3142 END_PROFILE(SMBnttranss);
3143 return;
3144
3145 bad_param:
3146
3147 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3148 DLIST_REMOVE(conn->pending_trans, state);
3149 SAFE_FREE(state->data);
3150 SAFE_FREE(state->param);
3151 TALLOC_FREE(state);
3152 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3153 END_PROFILE(SMBnttranss);
3154 return;
3155}
Note: See TracBrowser for help on using the repository browser.