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s3-spoolss: use SPOOLSS_ARCHITECTURE_ALL in driver enum server code.
[Samba.git] / source3 / smbd / nttrans.c
blob16f8bb592a55e21e3cd3183d06345136c2ea8e6d
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
24 extern const struct generic_mapping file_generic_mapping;
25
26 static 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
47 void 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
277 static 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
307 static 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
377 struct 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
388 static 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
400 static 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
428 void 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_doserror(req, ERRDOS, ERRnoaccess);
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 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
584 reply_botherror(req, status, ERRDOS, ERRfilexists);
585 }
586 else {
587 reply_nterror(req, status);
588 }
589 goto out;
590 }
591
592 /* Ensure we're pointing at the correct stat struct. */
593 TALLOC_FREE(smb_fname);
594 smb_fname = fsp->fsp_name;
595
596 /*
597 * If the caller set the extended oplock request bit
598 * and we granted one (by whatever means) - set the
599 * correct bit for extended oplock reply.
600 */
601
602 if (oplock_request &&
603 (lp_fake_oplocks(SNUM(conn))
604 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
605
606 /*
607 * Exclusive oplock granted
608 */
609
610 if (flags & REQUEST_BATCH_OPLOCK) {
611 oplock_granted = BATCH_OPLOCK_RETURN;
612 } else {
613 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
614 }
615 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
616 oplock_granted = LEVEL_II_OPLOCK_RETURN;
617 } else {
618 oplock_granted = NO_OPLOCK_RETURN;
619 }
620
621 file_len = smb_fname->st.st_ex_size;
622
623 if (flags & EXTENDED_RESPONSE_REQUIRED) {
624 /* This is very strange. We
625 * return 50 words, but only set
626 * the wcnt to 42 ? It's definately
627 * what happens on the wire....
628 */
629 reply_outbuf(req, 50, 0);
630 SCVAL(req->outbuf,smb_wct,42);
631 } else {
632 reply_outbuf(req, 34, 0);
633 }
634
635 p = (char *)req->outbuf + smb_vwv2;
636
637 SCVAL(p, 0, oplock_granted);
638
639 p++;
640 SSVAL(p,0,fsp->fnum);
641 p += 2;
642 if ((create_disposition == FILE_SUPERSEDE)
643 && (info == FILE_WAS_OVERWRITTEN)) {
644 SIVAL(p,0,FILE_WAS_SUPERSEDED);
645 } else {
646 SIVAL(p,0,info);
647 }
648 p += 4;
649
650 fattr = dos_mode(conn, smb_fname);
651 if (fattr == 0) {
652 fattr = FILE_ATTRIBUTE_NORMAL;
653 }
654
655 /* Deal with other possible opens having a modified
656 write time. JRA. */
657 ZERO_STRUCT(write_time_ts);
658 get_file_infos(fsp->file_id, NULL, &write_time_ts);
659 if (!null_timespec(write_time_ts)) {
660 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
661 }
662
663 /* Create time. */
664 create_timespec = get_create_timespec(conn, fsp, smb_fname);
665 a_timespec = smb_fname->st.st_ex_atime;
666 m_timespec = smb_fname->st.st_ex_mtime;
667 c_timespec = get_change_timespec(conn, fsp, smb_fname);
668
669 if (lp_dos_filetime_resolution(SNUM(conn))) {
670 dos_filetime_timespec(&create_timespec);
671 dos_filetime_timespec(&a_timespec);
672 dos_filetime_timespec(&m_timespec);
673 dos_filetime_timespec(&c_timespec);
674 }
675
676 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
677 p += 8;
678 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
679 p += 8;
680 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
681 p += 8;
682 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
683 p += 8;
684 SIVAL(p,0,fattr); /* File Attributes. */
685 p += 4;
686 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
687 p += 8;
688 SOFF_T(p,0,file_len);
689 p += 8;
690 if (flags & EXTENDED_RESPONSE_REQUIRED) {
691 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
692 size_t num_names = 0;
693 unsigned int num_streams;
694 struct stream_struct *streams = NULL;
695
696 /* Do we have any EA's ? */
697 status = get_ea_names_from_file(ctx, conn, fsp,
698 smb_fname->base_name, NULL, &num_names);
699 if (NT_STATUS_IS_OK(status) && num_names) {
700 file_status &= ~NO_EAS;
701 }
702 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
703 &num_streams, &streams);
704 /* There is always one stream, ::$DATA. */
705 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
706 file_status &= ~NO_SUBSTREAMS;
707 }
708 TALLOC_FREE(streams);
709 SSVAL(p,2,file_status);
710 }
711 p += 4;
712 SCVAL(p,0,fsp->is_directory ? 1 : 0);
713
714 if (flags & EXTENDED_RESPONSE_REQUIRED) {
715 uint32 perms = 0;
716 p += 25;
717 if (fsp->is_directory ||
718 can_write_to_file(conn, smb_fname)) {
719 perms = FILE_GENERIC_ALL;
720 } else {
721 perms = FILE_GENERIC_READ|FILE_EXECUTE;
722 }
723 SIVAL(p,0,perms);
724 }
725
726 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
727 fsp->fnum, smb_fname_str_dbg(smb_fname)));
728
729 chain_reply(req);
730 out:
731 END_PROFILE(SMBntcreateX);
732 return;
733 }
734
735 /****************************************************************************
736 Reply to a NT_TRANSACT_CREATE call to open a pipe.
737 ****************************************************************************/
738
739 static void do_nt_transact_create_pipe(connection_struct *conn,
740 struct smb_request *req,
741 uint16 **ppsetup, uint32 setup_count,
742 char **ppparams, uint32 parameter_count,
743 char **ppdata, uint32 data_count)
744 {
745 char *fname = NULL;
746 char *params = *ppparams;
747 int pnum = -1;
748 char *p = NULL;
749 NTSTATUS status;
750 size_t param_len;
751 uint32 flags;
752 TALLOC_CTX *ctx = talloc_tos();
753
754 /*
755 * Ensure minimum number of parameters sent.
756 */
757
758 if(parameter_count < 54) {
759 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
760 reply_doserror(req, ERRDOS, ERRnoaccess);
761 return;
762 }
763
764 flags = IVAL(params,0);
765
766 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
767 parameter_count-53, STR_TERMINATE,
768 &status);
769 if (!NT_STATUS_IS_OK(status)) {
770 reply_nterror(req, status);
771 return;
772 }
773
774 nt_open_pipe(fname, conn, req, &pnum);
775
776 if (req->outbuf) {
777 /* Error return */
778 return;
779 }
780
781 /* Realloc the size of parameters and data we will return */
782 if (flags & EXTENDED_RESPONSE_REQUIRED) {
783 /* Extended response is 32 more byyes. */
784 param_len = 101;
785 } else {
786 param_len = 69;
787 }
788 params = nttrans_realloc(ppparams, param_len);
789 if(params == NULL) {
790 reply_doserror(req, ERRDOS, ERRnomem);
791 return;
792 }
793
794 p = params;
795 SCVAL(p,0,NO_OPLOCK_RETURN);
796
797 p += 2;
798 SSVAL(p,0,pnum);
799 p += 2;
800 SIVAL(p,0,FILE_WAS_OPENED);
801 p += 8;
802
803 p += 32;
804 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
805 p += 20;
806 /* File type. */
807 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
808 /* Device state. */
809 SSVAL(p,2, 0x5FF); /* ? */
810 p += 4;
811
812 if (flags & EXTENDED_RESPONSE_REQUIRED) {
813 p += 25;
814 SIVAL(p,0,FILE_GENERIC_ALL);
815 /*
816 * For pipes W2K3 seems to return
817 * 0x12019B next.
818 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
819 */
820 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
821 }
822
823 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
824
825 /* Send the required number of replies */
826 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
827
828 return;
829 }
830
831 /****************************************************************************
832 Internal fn to set security descriptors.
833 ****************************************************************************/
834
835 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
836 uint32 security_info_sent)
837 {
838 SEC_DESC *psd = NULL;
839 NTSTATUS status;
840
841 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
842 return NT_STATUS_OK;
843 }
844
845 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
846
847 if (!NT_STATUS_IS_OK(status)) {
848 return status;
849 }
850
851 if (psd->owner_sid == NULL) {
852 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
853 }
854 if (psd->group_sid == NULL) {
855 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
856 }
857
858 /* Convert all the generic bits. */
859 security_acl_map_generic(psd->dacl, &file_generic_mapping);
860 security_acl_map_generic(psd->sacl, &file_generic_mapping);
861
862 if (DEBUGLEVEL >= 10) {
863 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
864 NDR_PRINT_DEBUG(security_descriptor, psd);
865 }
866
867 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
868
869 TALLOC_FREE(psd);
870
871 return status;
872 }
873
874 /****************************************************************************
875 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
876 ****************************************************************************/
877
878 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
879 {
880 struct ea_list *ea_list_head = NULL;
881 size_t offset = 0;
882
883 if (data_size < 4) {
884 return NULL;
885 }
886
887 while (offset + 4 <= data_size) {
888 size_t next_offset = IVAL(pdata,offset);
889 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
890
891 if (!eal) {
892 return NULL;
893 }
894
895 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
896 if (next_offset == 0) {
897 break;
898 }
899 offset += next_offset;
900 }
901
902 return ea_list_head;
903 }
904
905 /****************************************************************************
906 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
907 ****************************************************************************/
908
909 static void call_nt_transact_create(connection_struct *conn,
910 struct smb_request *req,
911 uint16 **ppsetup, uint32 setup_count,
912 char **ppparams, uint32 parameter_count,
913 char **ppdata, uint32 data_count,
914 uint32 max_data_count)
915 {
916 struct smb_filename *smb_fname = NULL;
917 char *fname = NULL;
918 char *params = *ppparams;
919 char *data = *ppdata;
920 /* Breakout the oplock request bits so we can set the reply bits separately. */
921 uint32 fattr=0;
922 SMB_OFF_T file_len = 0;
923 int info = 0;
924 files_struct *fsp = NULL;
925 char *p = NULL;
926 uint32 flags;
927 uint32 access_mask;
928 uint32 file_attributes;
929 uint32 share_access;
930 uint32 create_disposition;
931 uint32 create_options;
932 uint32 sd_len;
933 struct security_descriptor *sd = NULL;
934 uint32 ea_len;
935 uint16 root_dir_fid;
936 struct timespec create_timespec;
937 struct timespec c_timespec;
938 struct timespec a_timespec;
939 struct timespec m_timespec;
940 struct timespec write_time_ts;
941 struct ea_list *ea_list = NULL;
942 NTSTATUS status;
943 size_t param_len;
944 uint64_t allocation_size;
945 int oplock_request;
946 uint8_t oplock_granted;
947 struct case_semantics_state *case_state = NULL;
948 TALLOC_CTX *ctx = talloc_tos();
949
950 DEBUG(5,("call_nt_transact_create\n"));
951
952 /*
953 * If it's an IPC, use the pipe handler.
954 */
955
956 if (IS_IPC(conn)) {
957 if (lp_nt_pipe_support()) {
958 do_nt_transact_create_pipe(
959 conn, req,
960 ppsetup, setup_count,
961 ppparams, parameter_count,
962 ppdata, data_count);
963 goto out;
964 }
965 reply_doserror(req, ERRDOS, ERRnoaccess);
966 goto out;
967 }
968
969 /*
970 * Ensure minimum number of parameters sent.
971 */
972
973 if(parameter_count < 54) {
974 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
975 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
976 goto out;
977 }
978
979 flags = IVAL(params,0);
980 access_mask = IVAL(params,8);
981 file_attributes = IVAL(params,20);
982 share_access = IVAL(params,24);
983 create_disposition = IVAL(params,28);
984 create_options = IVAL(params,32);
985 sd_len = IVAL(params,36);
986 ea_len = IVAL(params,40);
987 root_dir_fid = (uint16)IVAL(params,4);
988 allocation_size = (uint64_t)IVAL(params,12);
989 #ifdef LARGE_SMB_OFF_T
990 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
991 #endif
992
993 /*
994 * we need to remove ignored bits when they come directly from the client
995 * because we reuse some of them for internal stuff
996 */
997 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
998
999 /* Ensure the data_len is correct for the sd and ea values given. */
1000 if ((ea_len + sd_len > data_count)
1001 || (ea_len > data_count) || (sd_len > data_count)
1002 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1003 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1004 "%u, data_count = %u\n", (unsigned int)ea_len,
1005 (unsigned int)sd_len, (unsigned int)data_count));
1006 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1007 goto out;
1008 }
1009
1010 if (sd_len) {
1011 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1012 sd_len));
1013
1014 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1015 &sd);
1016 if (!NT_STATUS_IS_OK(status)) {
1017 DEBUG(10, ("call_nt_transact_create: "
1018 "unmarshall_sec_desc failed: %s\n",
1019 nt_errstr(status)));
1020 reply_nterror(req, status);
1021 goto out;
1022 }
1023 }
1024
1025 if (ea_len) {
1026 if (!lp_ea_support(SNUM(conn))) {
1027 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1028 "EA's not supported.\n",
1029 (unsigned int)ea_len));
1030 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1031 goto out;
1032 }
1033
1034 if (ea_len < 10) {
1035 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1036 "too small (should be more than 10)\n",
1037 (unsigned int)ea_len ));
1038 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1039 goto out;
1040 }
1041
1042 /* We have already checked that ea_len <= data_count here. */
1043 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1044 ea_len);
1045 if (ea_list == NULL) {
1046 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1047 goto out;
1048 }
1049 }
1050
1051 srvstr_get_path(ctx, params, req->flags2, &fname,
1052 params+53, parameter_count-53,
1053 STR_TERMINATE, &status);
1054 if (!NT_STATUS_IS_OK(status)) {
1055 reply_nterror(req, status);
1056 goto out;
1057 }
1058
1059 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1060 case_state = set_posix_case_semantics(ctx, conn);
1061 if (!case_state) {
1062 reply_nterror(req, NT_STATUS_NO_MEMORY);
1063 goto out;
1064 }
1065 }
1066
1067 status = filename_convert(ctx,
1068 conn,
1069 req->flags2 & FLAGS2_DFS_PATHNAMES,
1070 fname,
1071 0,
1072 NULL,
1073 &smb_fname);
1074
1075 TALLOC_FREE(case_state);
1076
1077 if (!NT_STATUS_IS_OK(status)) {
1078 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1079 reply_botherror(req,
1080 NT_STATUS_PATH_NOT_COVERED,
1081 ERRSRV, ERRbadpath);
1082 goto out;
1083 }
1084 reply_nterror(req, status);
1085 goto out;
1086 }
1087
1088 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1089 if (oplock_request) {
1090 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1091 ? BATCH_OPLOCK : 0;
1092 }
1093
1094 /*
1095 * Bug #6898 - clients using Windows opens should
1096 * never be able to set this attribute into the
1097 * VFS.
1098 */
1099 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1100
1101 status = SMB_VFS_CREATE_FILE(
1102 conn, /* conn */
1103 req, /* req */
1104 root_dir_fid, /* root_dir_fid */
1105 smb_fname, /* fname */
1106 access_mask, /* access_mask */
1107 share_access, /* share_access */
1108 create_disposition, /* create_disposition*/
1109 create_options, /* create_options */
1110 file_attributes, /* file_attributes */
1111 oplock_request, /* oplock_request */
1112 allocation_size, /* allocation_size */
1113 sd, /* sd */
1114 ea_list, /* ea_list */
1115 &fsp, /* result */
1116 &info); /* pinfo */
1117
1118 if(!NT_STATUS_IS_OK(status)) {
1119 if (open_was_deferred(req->mid)) {
1120 /* We have re-scheduled this call, no error. */
1121 return;
1122 }
1123 reply_openerror(req, status);
1124 goto out;
1125 }
1126
1127 /* Ensure we're pointing at the correct stat struct. */
1128 TALLOC_FREE(smb_fname);
1129 smb_fname = fsp->fsp_name;
1130
1131 /*
1132 * If the caller set the extended oplock request bit
1133 * and we granted one (by whatever means) - set the
1134 * correct bit for extended oplock reply.
1135 */
1136
1137 if (oplock_request &&
1138 (lp_fake_oplocks(SNUM(conn))
1139 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1140
1141 /*
1142 * Exclusive oplock granted
1143 */
1144
1145 if (flags & REQUEST_BATCH_OPLOCK) {
1146 oplock_granted = BATCH_OPLOCK_RETURN;
1147 } else {
1148 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1149 }
1150 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1151 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1152 } else {
1153 oplock_granted = NO_OPLOCK_RETURN;
1154 }
1155
1156 file_len = smb_fname->st.st_ex_size;
1157
1158 /* Realloc the size of parameters and data we will return */
1159 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1160 /* Extended response is 32 more byyes. */
1161 param_len = 101;
1162 } else {
1163 param_len = 69;
1164 }
1165 params = nttrans_realloc(ppparams, param_len);
1166 if(params == NULL) {
1167 reply_doserror(req, ERRDOS, ERRnomem);
1168 goto out;
1169 }
1170
1171 p = params;
1172 SCVAL(p, 0, oplock_granted);
1173
1174 p += 2;
1175 SSVAL(p,0,fsp->fnum);
1176 p += 2;
1177 if ((create_disposition == FILE_SUPERSEDE)
1178 && (info == FILE_WAS_OVERWRITTEN)) {
1179 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1180 } else {
1181 SIVAL(p,0,info);
1182 }
1183 p += 8;
1184
1185 fattr = dos_mode(conn, smb_fname);
1186 if (fattr == 0) {
1187 fattr = FILE_ATTRIBUTE_NORMAL;
1188 }
1189
1190 /* Deal with other possible opens having a modified
1191 write time. JRA. */
1192 ZERO_STRUCT(write_time_ts);
1193 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1194 if (!null_timespec(write_time_ts)) {
1195 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1196 }
1197
1198 /* Create time. */
1199 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1200 a_timespec = smb_fname->st.st_ex_atime;
1201 m_timespec = smb_fname->st.st_ex_mtime;
1202 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1203
1204 if (lp_dos_filetime_resolution(SNUM(conn))) {
1205 dos_filetime_timespec(&create_timespec);
1206 dos_filetime_timespec(&a_timespec);
1207 dos_filetime_timespec(&m_timespec);
1208 dos_filetime_timespec(&c_timespec);
1209 }
1210
1211 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1212 p += 8;
1213 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1214 p += 8;
1215 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1216 p += 8;
1217 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1218 p += 8;
1219 SIVAL(p,0,fattr); /* File Attributes. */
1220 p += 4;
1221 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1222 p += 8;
1223 SOFF_T(p,0,file_len);
1224 p += 8;
1225 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1226 SSVAL(p,2,0x7);
1227 }
1228 p += 4;
1229 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1230
1231 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1232 uint32 perms = 0;
1233 p += 25;
1234 if (fsp->is_directory ||
1235 can_write_to_file(conn, smb_fname)) {
1236 perms = FILE_GENERIC_ALL;
1237 } else {
1238 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1239 }
1240 SIVAL(p,0,perms);
1241 }
1242
1243 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1244 smb_fname_str_dbg(smb_fname)));
1245
1246 /* Send the required number of replies */
1247 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1248 out:
1249 return;
1250 }
1251
1252 /****************************************************************************
1253 Reply to a NT CANCEL request.
1254 conn POINTER CAN BE NULL HERE !
1255 ****************************************************************************/
1256
1257 void reply_ntcancel(struct smb_request *req)
1258 {
1259 /*
1260 * Go through and cancel any pending change notifies.
1261 */
1262
1263 START_PROFILE(SMBntcancel);
1264 srv_cancel_sign_response(smbd_server_conn);
1265 remove_pending_change_notify_requests_by_mid(req->mid);
1266 remove_pending_lock_requests_by_mid(req->mid);
1267
1268 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1269
1270 END_PROFILE(SMBntcancel);
1271 return;
1272 }
1273
1274 /****************************************************************************
1275 Copy a file.
1276 ****************************************************************************/
1277
1278 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1279 connection_struct *conn,
1280 struct smb_request *req,
1281 struct smb_filename *smb_fname_src,
1282 struct smb_filename *smb_fname_dst,
1283 uint32 attrs)
1284 {
1285 files_struct *fsp1,*fsp2;
1286 uint32 fattr;
1287 int info;
1288 SMB_OFF_T ret=-1;
1289 NTSTATUS status = NT_STATUS_OK;
1290 char *parent;
1291
1292 if (!CAN_WRITE(conn)) {
1293 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1294 goto out;
1295 }
1296
1297 /* Source must already exist. */
1298 if (!VALID_STAT(smb_fname_src->st)) {
1299 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1300 goto out;
1301 }
1302
1303 /* Ensure attributes match. */
1304 fattr = dos_mode(conn, smb_fname_src);
1305 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1306 status = NT_STATUS_NO_SUCH_FILE;
1307 goto out;
1308 }
1309
1310 /* Disallow if dst file already exists. */
1311 if (VALID_STAT(smb_fname_dst->st)) {
1312 status = NT_STATUS_OBJECT_NAME_COLLISION;
1313 goto out;
1314 }
1315
1316 /* No links from a directory. */
1317 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1318 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1319 goto out;
1320 }
1321
1322 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1323 smb_fname_str_dbg(smb_fname_src),
1324 smb_fname_str_dbg(smb_fname_dst)));
1325
1326 status = SMB_VFS_CREATE_FILE(
1327 conn, /* conn */
1328 req, /* req */
1329 0, /* root_dir_fid */
1330 smb_fname_src, /* fname */
1331 FILE_READ_DATA, /* access_mask */
1332 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1333 FILE_SHARE_DELETE),
1334 FILE_OPEN, /* create_disposition*/
1335 0, /* create_options */
1336 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1337 NO_OPLOCK, /* oplock_request */
1338 0, /* allocation_size */
1339 NULL, /* sd */
1340 NULL, /* ea_list */
1341 &fsp1, /* result */
1342 &info); /* pinfo */
1343
1344 if (!NT_STATUS_IS_OK(status)) {
1345 goto out;
1346 }
1347
1348 status = SMB_VFS_CREATE_FILE(
1349 conn, /* conn */
1350 req, /* req */
1351 0, /* root_dir_fid */
1352 smb_fname_dst, /* fname */
1353 FILE_WRITE_DATA, /* access_mask */
1354 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1355 FILE_SHARE_DELETE),
1356 FILE_CREATE, /* create_disposition*/
1357 0, /* create_options */
1358 fattr, /* file_attributes */
1359 NO_OPLOCK, /* oplock_request */
1360 0, /* allocation_size */
1361 NULL, /* sd */
1362 NULL, /* ea_list */
1363 &fsp2, /* result */
1364 &info); /* pinfo */
1365
1366 if (!NT_STATUS_IS_OK(status)) {
1367 close_file(NULL, fsp1, ERROR_CLOSE);
1368 goto out;
1369 }
1370
1371 if (smb_fname_src->st.st_ex_size) {
1372 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1373 }
1374
1375 /*
1376 * As we are opening fsp1 read-only we only expect
1377 * an error on close on fsp2 if we are out of space.
1378 * Thus we don't look at the error return from the
1379 * close of fsp1.
1380 */
1381 close_file(NULL, fsp1, NORMAL_CLOSE);
1382
1383 /* Ensure the modtime is set correctly on the destination file. */
1384 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1385
1386 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1387
1388 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1389 creates the file. This isn't the correct thing to do in the copy
1390 case. JRA */
1391 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1392 NULL)) {
1393 status = NT_STATUS_NO_MEMORY;
1394 goto out;
1395 }
1396 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1397 TALLOC_FREE(parent);
1398
1399 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1400 status = NT_STATUS_DISK_FULL;
1401 goto out;
1402 }
1403 out:
1404 if (!NT_STATUS_IS_OK(status)) {
1405 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1406 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1407 smb_fname_str_dbg(smb_fname_dst)));
1408 }
1409
1410 return status;
1411 }
1412
1413 /****************************************************************************
1414 Reply to a NT rename request.
1415 ****************************************************************************/
1416
1417 void reply_ntrename(struct smb_request *req)
1418 {
1419 connection_struct *conn = req->conn;
1420 struct smb_filename *smb_fname_old = NULL;
1421 struct smb_filename *smb_fname_new = NULL;
1422 char *oldname = NULL;
1423 char *newname = NULL;
1424 const char *p;
1425 NTSTATUS status;
1426 bool src_has_wcard = False;
1427 bool dest_has_wcard = False;
1428 uint32 attrs;
1429 uint32_t ucf_flags_src = 0;
1430 uint32_t ucf_flags_dst = 0;
1431 uint16 rename_type;
1432 TALLOC_CTX *ctx = talloc_tos();
1433
1434 START_PROFILE(SMBntrename);
1435
1436 if (req->wct < 4) {
1437 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1438 goto out;
1439 }
1440
1441 attrs = SVAL(req->vwv+0, 0);
1442 rename_type = SVAL(req->vwv+1, 0);
1443
1444 p = (const char *)req->buf + 1;
1445 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1446 &status, &src_has_wcard);
1447 if (!NT_STATUS_IS_OK(status)) {
1448 reply_nterror(req, status);
1449 goto out;
1450 }
1451
1452 if (ms_has_wild(oldname)) {
1453 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1454 goto out;
1455 }
1456
1457 p++;
1458 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1459 &status, &dest_has_wcard);
1460 if (!NT_STATUS_IS_OK(status)) {
1461 reply_nterror(req, status);
1462 goto out;
1463 }
1464
1465 /* The newname must begin with a ':' if the oldname contains a ':'. */
1466 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1467 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1468 goto out;
1469 }
1470
1471 /*
1472 * If this is a rename operation, allow wildcards and save the
1473 * destination's last component.
1474 */
1475 if (rename_type == RENAME_FLAG_RENAME) {
1476 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1477 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1478 }
1479
1480 /* rename_internals() calls unix_convert(), so don't call it here. */
1481 status = filename_convert(ctx, conn,
1482 req->flags2 & FLAGS2_DFS_PATHNAMES,
1483 oldname,
1484 ucf_flags_src,
1485 NULL,
1486 &smb_fname_old);
1487 if (!NT_STATUS_IS_OK(status)) {
1488 if (NT_STATUS_EQUAL(status,
1489 NT_STATUS_PATH_NOT_COVERED)) {
1490 reply_botherror(req,
1491 NT_STATUS_PATH_NOT_COVERED,
1492 ERRSRV, ERRbadpath);
1493 goto out;
1494 }
1495 reply_nterror(req, status);
1496 goto out;
1497 }
1498
1499 status = filename_convert(ctx, conn,
1500 req->flags2 & FLAGS2_DFS_PATHNAMES,
1501 newname,
1502 ucf_flags_dst,
1503 &dest_has_wcard,
1504 &smb_fname_new);
1505 if (!NT_STATUS_IS_OK(status)) {
1506 if (NT_STATUS_EQUAL(status,
1507 NT_STATUS_PATH_NOT_COVERED)) {
1508 reply_botherror(req,
1509 NT_STATUS_PATH_NOT_COVERED,
1510 ERRSRV, ERRbadpath);
1511 goto out;
1512 }
1513 reply_nterror(req, status);
1514 goto out;
1515 }
1516
1517 DEBUG(3,("reply_ntrename: %s -> %s\n",
1518 smb_fname_str_dbg(smb_fname_old),
1519 smb_fname_str_dbg(smb_fname_new)));
1520
1521 switch(rename_type) {
1522 case RENAME_FLAG_RENAME:
1523 status = rename_internals(ctx, conn, req,
1524 smb_fname_old, smb_fname_new,
1525 attrs, False, src_has_wcard,
1526 dest_has_wcard,
1527 DELETE_ACCESS);
1528 break;
1529 case RENAME_FLAG_HARD_LINK:
1530 if (src_has_wcard || dest_has_wcard) {
1531 /* No wildcards. */
1532 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1533 } else {
1534 status = hardlink_internals(ctx, conn,
1535 smb_fname_old,
1536 smb_fname_new);
1537 }
1538 break;
1539 case RENAME_FLAG_COPY:
1540 if (src_has_wcard || dest_has_wcard) {
1541 /* No wildcards. */
1542 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1543 } else {
1544 status = copy_internals(ctx, conn, req,
1545 smb_fname_old,
1546 smb_fname_new,
1547 attrs);
1548 }
1549 break;
1550 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1551 status = NT_STATUS_INVALID_PARAMETER;
1552 break;
1553 default:
1554 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1555 break;
1556 }
1557
1558 if (!NT_STATUS_IS_OK(status)) {
1559 if (open_was_deferred(req->mid)) {
1560 /* We have re-scheduled this call. */
1561 goto out;
1562 }
1563
1564 reply_nterror(req, status);
1565 goto out;
1566 }
1567
1568 reply_outbuf(req, 0, 0);
1569 out:
1570 END_PROFILE(SMBntrename);
1571 return;
1572 }
1573
1574 /****************************************************************************
1575 Reply to a notify change - queue the request and
1576 don't allow a directory to be opened.
1577 ****************************************************************************/
1578
1579 static void smbd_smb1_notify_reply(struct smb_request *req,
1580 NTSTATUS error_code,
1581 uint8_t *buf, size_t len)
1582 {
1583 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1584 }
1585
1586 static void call_nt_transact_notify_change(connection_struct *conn,
1587 struct smb_request *req,
1588 uint16 **ppsetup,
1589 uint32 setup_count,
1590 char **ppparams,
1591 uint32 parameter_count,
1592 char **ppdata, uint32 data_count,
1593 uint32 max_data_count,
1594 uint32 max_param_count)
1595 {
1596 uint16 *setup = *ppsetup;
1597 files_struct *fsp;
1598 uint32 filter;
1599 NTSTATUS status;
1600 bool recursive;
1601
1602 if(setup_count < 6) {
1603 reply_doserror(req, ERRDOS, ERRbadfunc);
1604 return;
1605 }
1606
1607 fsp = file_fsp(req, SVAL(setup,4));
1608 filter = IVAL(setup, 0);
1609 recursive = (SVAL(setup, 6) != 0) ? True : False;
1610
1611 DEBUG(3,("call_nt_transact_notify_change\n"));
1612
1613 if(!fsp) {
1614 reply_doserror(req, ERRDOS, ERRbadfid);
1615 return;
1616 }
1617
1618 {
1619 char *filter_string;
1620
1621 if (!(filter_string = notify_filter_string(NULL, filter))) {
1622 reply_nterror(req,NT_STATUS_NO_MEMORY);
1623 return;
1624 }
1625
1626 DEBUG(3,("call_nt_transact_notify_change: notify change "
1627 "called on %s, filter = %s, recursive = %d\n",
1628 fsp_str_dbg(fsp), filter_string, recursive));
1629
1630 TALLOC_FREE(filter_string);
1631 }
1632
1633 if((!fsp->is_directory) || (conn != fsp->conn)) {
1634 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1635 return;
1636 }
1637
1638 if (fsp->notify == NULL) {
1639
1640 status = change_notify_create(fsp, filter, recursive);
1641
1642 if (!NT_STATUS_IS_OK(status)) {
1643 DEBUG(10, ("change_notify_create returned %s\n",
1644 nt_errstr(status)));
1645 reply_nterror(req, status);
1646 return;
1647 }
1648 }
1649
1650 if (fsp->notify->num_changes != 0) {
1651
1652 /*
1653 * We've got changes pending, respond immediately
1654 */
1655
1656 /*
1657 * TODO: write a torture test to check the filtering behaviour
1658 * here.
1659 */
1660
1661 change_notify_reply(fsp->conn, req,
1662 NT_STATUS_OK,
1663 max_param_count,
1664 fsp->notify,
1665 smbd_smb1_notify_reply);
1666
1667 /*
1668 * change_notify_reply() above has independently sent its
1669 * results
1670 */
1671 return;
1672 }
1673
1674 /*
1675 * No changes pending, queue the request
1676 */
1677
1678 status = change_notify_add_request(req,
1679 max_param_count,
1680 filter,
1681 recursive, fsp,
1682 smbd_smb1_notify_reply);
1683 if (!NT_STATUS_IS_OK(status)) {
1684 reply_nterror(req, status);
1685 }
1686 return;
1687 }
1688
1689 /****************************************************************************
1690 Reply to an NT transact rename command.
1691 ****************************************************************************/
1692
1693 static void call_nt_transact_rename(connection_struct *conn,
1694 struct smb_request *req,
1695 uint16 **ppsetup, uint32 setup_count,
1696 char **ppparams, uint32 parameter_count,
1697 char **ppdata, uint32 data_count,
1698 uint32 max_data_count)
1699 {
1700 char *params = *ppparams;
1701 char *new_name = NULL;
1702 files_struct *fsp = NULL;
1703 bool dest_has_wcard = False;
1704 NTSTATUS status;
1705 TALLOC_CTX *ctx = talloc_tos();
1706
1707 if(parameter_count < 5) {
1708 reply_doserror(req, ERRDOS, ERRbadfunc);
1709 return;
1710 }
1711
1712 fsp = file_fsp(req, SVAL(params, 0));
1713 if (!check_fsp(conn, req, fsp)) {
1714 return;
1715 }
1716 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1717 parameter_count - 4,
1718 STR_TERMINATE, &status, &dest_has_wcard);
1719 if (!NT_STATUS_IS_OK(status)) {
1720 reply_nterror(req, status);
1721 return;
1722 }
1723
1724 /*
1725 * W2K3 ignores this request as the RAW-RENAME test
1726 * demonstrates, so we do.
1727 */
1728 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1729
1730 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1731 fsp_str_dbg(fsp), new_name));
1732
1733 return;
1734 }
1735
1736 /******************************************************************************
1737 Fake up a completely empty SD.
1738 *******************************************************************************/
1739
1740 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1741 {
1742 size_t sd_size;
1743
1744 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1745 if(!*ppsd) {
1746 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1747 return NT_STATUS_NO_MEMORY;
1748 }
1749
1750 return NT_STATUS_OK;
1751 }
1752
1753 /****************************************************************************
1754 Reply to query a security descriptor.
1755 ****************************************************************************/
1756
1757 static void call_nt_transact_query_security_desc(connection_struct *conn,
1758 struct smb_request *req,
1759 uint16 **ppsetup,
1760 uint32 setup_count,
1761 char **ppparams,
1762 uint32 parameter_count,
1763 char **ppdata,
1764 uint32 data_count,
1765 uint32 max_data_count)
1766 {
1767 char *params = *ppparams;
1768 char *data = *ppdata;
1769 SEC_DESC *psd = NULL;
1770 size_t sd_size;
1771 uint32 security_info_wanted;
1772 files_struct *fsp = NULL;
1773 NTSTATUS status;
1774 DATA_BLOB blob;
1775
1776 if(parameter_count < 8) {
1777 reply_doserror(req, ERRDOS, ERRbadfunc);
1778 return;
1779 }
1780
1781 fsp = file_fsp(req, SVAL(params,0));
1782 if(!fsp) {
1783 reply_doserror(req, ERRDOS, ERRbadfid);
1784 return;
1785 }
1786
1787 security_info_wanted = IVAL(params,4);
1788
1789 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1790 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1791 (unsigned int)security_info_wanted));
1792
1793 params = nttrans_realloc(ppparams, 4);
1794 if(params == NULL) {
1795 reply_doserror(req, ERRDOS, ERRnomem);
1796 return;
1797 }
1798
1799 /*
1800 * Get the permissions to return.
1801 */
1802
1803 if (!lp_nt_acl_support(SNUM(conn))) {
1804 status = get_null_nt_acl(talloc_tos(), &psd);
1805 } else {
1806 status = SMB_VFS_FGET_NT_ACL(
1807 fsp, security_info_wanted, &psd);
1808 }
1809 if (!NT_STATUS_IS_OK(status)) {
1810 reply_nterror(req, status);
1811 return;
1812 }
1813
1814 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1815 * present in the reply to match Windows behavior */
1816 if (psd->sacl == NULL &&
1817 security_info_wanted & SACL_SECURITY_INFORMATION)
1818 psd->type |= SEC_DESC_SACL_PRESENT;
1819 if (psd->dacl == NULL &&
1820 security_info_wanted & DACL_SECURITY_INFORMATION)
1821 psd->type |= SEC_DESC_DACL_PRESENT;
1822
1823 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1824
1825 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1826
1827 if (DEBUGLEVEL >= 10) {
1828 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1829 fsp_str_dbg(fsp)));
1830 NDR_PRINT_DEBUG(security_descriptor, psd);
1831 }
1832
1833 SIVAL(params,0,(uint32)sd_size);
1834
1835 if (max_data_count < sd_size) {
1836 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1837 params, 4, *ppdata, 0);
1838 return;
1839 }
1840
1841 /*
1842 * Allocate the data we will point this at.
1843 */
1844
1845 data = nttrans_realloc(ppdata, sd_size);
1846 if(data == NULL) {
1847 reply_doserror(req, ERRDOS, ERRnomem);
1848 return;
1849 }
1850
1851 status = marshall_sec_desc(talloc_tos(), psd,
1852 &blob.data, &blob.length);
1853
1854 if (!NT_STATUS_IS_OK(status)) {
1855 reply_nterror(req, status);
1856 return;
1857 }
1858
1859 SMB_ASSERT(sd_size == blob.length);
1860 memcpy(data, blob.data, sd_size);
1861
1862 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1863
1864 return;
1865 }
1866
1867 /****************************************************************************
1868 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1869 ****************************************************************************/
1870
1871 static void call_nt_transact_set_security_desc(connection_struct *conn,
1872 struct smb_request *req,
1873 uint16 **ppsetup,
1874 uint32 setup_count,
1875 char **ppparams,
1876 uint32 parameter_count,
1877 char **ppdata,
1878 uint32 data_count,
1879 uint32 max_data_count)
1880 {
1881 char *params= *ppparams;
1882 char *data = *ppdata;
1883 files_struct *fsp = NULL;
1884 uint32 security_info_sent = 0;
1885 NTSTATUS status;
1886
1887 if(parameter_count < 8) {
1888 reply_doserror(req, ERRDOS, ERRbadfunc);
1889 return;
1890 }
1891
1892 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1893 reply_doserror(req, ERRDOS, ERRbadfid);
1894 return;
1895 }
1896
1897 if(!lp_nt_acl_support(SNUM(conn))) {
1898 goto done;
1899 }
1900
1901 security_info_sent = IVAL(params,4);
1902
1903 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1904 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1905
1906 if (data_count == 0) {
1907 reply_doserror(req, ERRDOS, ERRnoaccess);
1908 return;
1909 }
1910
1911 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1912
1913 if (!NT_STATUS_IS_OK(status)) {
1914 reply_nterror(req, status);
1915 return;
1916 }
1917
1918 done:
1919 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1920 return;
1921 }
1922
1923 /****************************************************************************
1924 Reply to NT IOCTL
1925 ****************************************************************************/
1926
1927 static void call_nt_transact_ioctl(connection_struct *conn,
1928 struct smb_request *req,
1929 uint16 **ppsetup, uint32 setup_count,
1930 char **ppparams, uint32 parameter_count,
1931 char **ppdata, uint32 data_count,
1932 uint32 max_data_count)
1933 {
1934 uint32 function;
1935 uint16 fidnum;
1936 files_struct *fsp;
1937 uint8 isFSctl;
1938 uint8 compfilter;
1939 char *pdata = *ppdata;
1940
1941 if (setup_count != 8) {
1942 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1943 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1944 return;
1945 }
1946
1947 function = IVAL(*ppsetup, 0);
1948 fidnum = SVAL(*ppsetup, 4);
1949 isFSctl = CVAL(*ppsetup, 6);
1950 compfilter = CVAL(*ppsetup, 7);
1951
1952 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1953 function, fidnum, isFSctl, compfilter));
1954
1955 fsp=file_fsp(req, fidnum);
1956 /* this check is done in each implemented function case for now
1957 because I don't want to break anything... --metze
1958 FSP_BELONGS_CONN(fsp,conn);*/
1959
1960 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1961
1962 switch (function) {
1963 case FSCTL_SET_SPARSE:
1964 /* pretend this succeeded - tho strictly we should
1965 mark the file sparse (if the local fs supports it)
1966 so we can know if we need to pre-allocate or not */
1967
1968 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1969 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1970 return;
1971
1972 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1973 {
1974 unsigned char objid[16];
1975
1976 /* This should return the object-id on this file.
1977 * I think I'll make this be the inode+dev. JRA.
1978 */
1979
1980 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1981
1982 if (!fsp_belongs_conn(conn, req, fsp)) {
1983 return;
1984 }
1985
1986 data_count = 64;
1987 pdata = nttrans_realloc(ppdata, data_count);
1988 if (pdata == NULL) {
1989 reply_nterror(req, NT_STATUS_NO_MEMORY);
1990 return;
1991 }
1992
1993 /* For backwards compatibility only store the dev/inode. */
1994 push_file_id_16(pdata, &fsp->file_id);
1995 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1996 push_file_id_16(pdata+32, &fsp->file_id);
1997 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1998 pdata, data_count);
1999 return;
2000 }
2001
2002 case FSCTL_GET_REPARSE_POINT:
2003 /* pretend this fail - my winXP does it like this
2004 * --metze
2005 */
2006
2007 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2008 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2009 return;
2010
2011 case FSCTL_SET_REPARSE_POINT:
2012 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2013 * --metze
2014 */
2015
2016 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2017 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2018 return;
2019
2020 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2021 {
2022 /*
2023 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2024 * and return their volume names. If max_data_count is 16, then it is just
2025 * asking for the number of volumes and length of the combined names.
2026 *
2027 * pdata is the data allocated by our caller, but that uses
2028 * total_data_count (which is 0 in our case) rather than max_data_count.
2029 * Allocate the correct amount and return the pointer to let
2030 * it be deallocated when we return.
2031 */
2032 SHADOW_COPY_DATA *shadow_data = NULL;
2033 TALLOC_CTX *shadow_mem_ctx = NULL;
2034 bool labels = False;
2035 uint32 labels_data_count = 0;
2036 uint32 i;
2037 char *cur_pdata;
2038
2039 if (!fsp_belongs_conn(conn, req, fsp)) {
2040 return;
2041 }
2042
2043 if (max_data_count < 16) {
2044 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2045 max_data_count));
2046 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2047 return;
2048 }
2049
2050 if (max_data_count > 16) {
2051 labels = True;
2052 }
2053
2054 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2055 if (shadow_mem_ctx == NULL) {
2056 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2057 reply_nterror(req, NT_STATUS_NO_MEMORY);
2058 return;
2059 }
2060
2061 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2062 if (shadow_data == NULL) {
2063 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2064 talloc_destroy(shadow_mem_ctx);
2065 reply_nterror(req, NT_STATUS_NO_MEMORY);
2066 return;
2067 }
2068
2069 shadow_data->mem_ctx = shadow_mem_ctx;
2070
2071 /*
2072 * Call the VFS routine to actually do the work.
2073 */
2074 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2075 talloc_destroy(shadow_data->mem_ctx);
2076 if (errno == ENOSYS) {
2077 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2078 conn->connectpath));
2079 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2080 return;
2081 } else {
2082 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2083 conn->connectpath));
2084 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2085 return;
2086 }
2087 }
2088
2089 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2090
2091 if (!labels) {
2092 data_count = 16;
2093 } else {
2094 data_count = 12+labels_data_count+4;
2095 }
2096
2097 if (max_data_count<data_count) {
2098 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2099 max_data_count,data_count));
2100 talloc_destroy(shadow_data->mem_ctx);
2101 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2102 return;
2103 }
2104
2105 pdata = nttrans_realloc(ppdata, data_count);
2106 if (pdata == NULL) {
2107 talloc_destroy(shadow_data->mem_ctx);
2108 reply_nterror(req, NT_STATUS_NO_MEMORY);
2109 return;
2110 }
2111
2112 cur_pdata = pdata;
2113
2114 /* num_volumes 4 bytes */
2115 SIVAL(pdata,0,shadow_data->num_volumes);
2116
2117 if (labels) {
2118 /* num_labels 4 bytes */
2119 SIVAL(pdata,4,shadow_data->num_volumes);
2120 }
2121
2122 /* needed_data_count 4 bytes */
2123 SIVAL(pdata, 8, labels_data_count+4);
2124
2125 cur_pdata+=12;
2126
2127 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2128 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2129 if (labels && shadow_data->labels) {
2130 for (i=0;i<shadow_data->num_volumes;i++) {
2131 srvstr_push(pdata, req->flags2,
2132 cur_pdata, shadow_data->labels[i],
2133 2*sizeof(SHADOW_COPY_LABEL),
2134 STR_UNICODE|STR_TERMINATE);
2135 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2136 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2137 }
2138 }
2139
2140 talloc_destroy(shadow_data->mem_ctx);
2141
2142 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2143 pdata, data_count);
2144
2145 return;
2146 }
2147
2148 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2149 {
2150 /* pretend this succeeded -
2151 *
2152 * we have to send back a list with all files owned by this SID
2153 *
2154 * but I have to check that --metze
2155 */
2156 DOM_SID sid;
2157 uid_t uid;
2158 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2159
2160 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2161
2162 if (!fsp_belongs_conn(conn, req, fsp)) {
2163 return;
2164 }
2165
2166 /* unknown 4 bytes: this is not the length of the sid :-( */
2167 /*unknown = IVAL(pdata,0);*/
2168
2169 sid_parse(pdata+4,sid_len,&sid);
2170 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2171
2172 if (!sid_to_uid(&sid, &uid)) {
2173 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2174 sid_string_dbg(&sid),
2175 (unsigned long)sid_len));
2176 uid = (-1);
2177 }
2178
2179 /* we can take a look at the find source :-)
2180 *
2181 * find ./ -uid $uid -name '*' is what we need here
2182 *
2183 *
2184 * and send 4bytes len and then NULL terminated unicode strings
2185 * for each file
2186 *
2187 * but I don't know how to deal with the paged results
2188 * (maybe we can hang the result anywhere in the fsp struct)
2189 *
2190 * we don't send all files at once
2191 * and at the next we should *not* start from the beginning,
2192 * so we have to cache the result
2193 *
2194 * --metze
2195 */
2196
2197 /* this works for now... */
2198 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2199 return;
2200 }
2201 default:
2202 if (!logged_ioctl_message) {
2203 logged_ioctl_message = true; /* Only print this once... */
2204 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2205 function));
2206 }
2207 }
2208
2209 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2210 }
2211
2212
2213 #ifdef HAVE_SYS_QUOTAS
2214 /****************************************************************************
2215 Reply to get user quota
2216 ****************************************************************************/
2217
2218 static void call_nt_transact_get_user_quota(connection_struct *conn,
2219 struct smb_request *req,
2220 uint16 **ppsetup,
2221 uint32 setup_count,
2222 char **ppparams,
2223 uint32 parameter_count,
2224 char **ppdata,
2225 uint32 data_count,
2226 uint32 max_data_count)
2227 {
2228 NTSTATUS nt_status = NT_STATUS_OK;
2229 char *params = *ppparams;
2230 char *pdata = *ppdata;
2231 char *entry;
2232 int data_len=0,param_len=0;
2233 int qt_len=0;
2234 int entry_len = 0;
2235 files_struct *fsp = NULL;
2236 uint16 level = 0;
2237 size_t sid_len;
2238 DOM_SID sid;
2239 bool start_enum = True;
2240 SMB_NTQUOTA_STRUCT qt;
2241 SMB_NTQUOTA_LIST *tmp_list;
2242 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2243
2244 ZERO_STRUCT(qt);
2245
2246 /* access check */
2247 if (conn->server_info->utok.uid != 0) {
2248 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2249 "[%s]\n", lp_servicename(SNUM(conn)),
2250 conn->server_info->unix_name));
2251 reply_doserror(req, ERRDOS, ERRnoaccess);
2252 return;
2253 }
2254
2255 /*
2256 * Ensure minimum number of parameters sent.
2257 */
2258
2259 if (parameter_count < 4) {
2260 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2261 reply_doserror(req, ERRDOS, ERRinvalidparam);
2262 return;
2263 }
2264
2265 /* maybe we can check the quota_fnum */
2266 fsp = file_fsp(req, SVAL(params,0));
2267 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2268 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2269 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2270 return;
2271 }
2272
2273 /* the NULL pointer checking for fsp->fake_file_handle->pd
2274 * is done by CHECK_NTQUOTA_HANDLE_OK()
2275 */
2276 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2277
2278 level = SVAL(params,2);
2279
2280 /* unknown 12 bytes leading in params */
2281
2282 switch (level) {
2283 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2284 /* seems that we should continue with the enum here --metze */
2285
2286 if (qt_handle->quota_list!=NULL &&
2287 qt_handle->tmp_list==NULL) {
2288
2289 /* free the list */
2290 free_ntquota_list(&(qt_handle->quota_list));
2291
2292 /* Realloc the size of parameters and data we will return */
2293 param_len = 4;
2294 params = nttrans_realloc(ppparams, param_len);
2295 if(params == NULL) {
2296 reply_doserror(req, ERRDOS, ERRnomem);
2297 return;
2298 }
2299
2300 data_len = 0;
2301 SIVAL(params,0,data_len);
2302
2303 break;
2304 }
2305
2306 start_enum = False;
2307
2308 case TRANSACT_GET_USER_QUOTA_LIST_START:
2309
2310 if (qt_handle->quota_list==NULL &&
2311 qt_handle->tmp_list==NULL) {
2312 start_enum = True;
2313 }
2314
2315 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2316 reply_doserror(req, ERRSRV, ERRerror);
2317 return;
2318 }
2319
2320 /* Realloc the size of parameters and data we will return */
2321 param_len = 4;
2322 params = nttrans_realloc(ppparams, param_len);
2323 if(params == NULL) {
2324 reply_doserror(req, ERRDOS, ERRnomem);
2325 return;
2326 }
2327
2328 /* we should not trust the value in max_data_count*/
2329 max_data_count = MIN(max_data_count,2048);
2330
2331 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2332 if(pdata == NULL) {
2333 reply_doserror(req, ERRDOS, ERRnomem);
2334 return;
2335 }
2336
2337 entry = pdata;
2338
2339 /* set params Size of returned Quota Data 4 bytes*/
2340 /* but set it later when we know it */
2341
2342 /* for each entry push the data */
2343
2344 if (start_enum) {
2345 qt_handle->tmp_list = qt_handle->quota_list;
2346 }
2347
2348 tmp_list = qt_handle->tmp_list;
2349
2350 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2351 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2352
2353 sid_len = ndr_size_dom_sid(
2354 &tmp_list->quotas->sid, NULL, 0);
2355 entry_len = 40 + sid_len;
2356
2357 /* nextoffset entry 4 bytes */
2358 SIVAL(entry,0,entry_len);
2359
2360 /* then the len of the SID 4 bytes */
2361 SIVAL(entry,4,sid_len);
2362
2363 /* unknown data 8 bytes uint64_t */
2364 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2365
2366 /* the used disk space 8 bytes uint64_t */
2367 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2368
2369 /* the soft quotas 8 bytes uint64_t */
2370 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2371
2372 /* the hard quotas 8 bytes uint64_t */
2373 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2374
2375 /* and now the SID */
2376 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2377 }
2378
2379 qt_handle->tmp_list = tmp_list;
2380
2381 /* overwrite the offset of the last entry */
2382 SIVAL(entry-entry_len,0,0);
2383
2384 data_len = 4+qt_len;
2385 /* overwrite the params quota_data_len */
2386 SIVAL(params,0,data_len);
2387
2388 break;
2389
2390 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2391
2392 /* unknown 4 bytes IVAL(pdata,0) */
2393
2394 if (data_count < 8) {
2395 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2396 reply_doserror(req, ERRDOS, ERRunknownlevel);
2397 return;
2398 }
2399
2400 sid_len = IVAL(pdata,4);
2401 /* Ensure this is less than 1mb. */
2402 if (sid_len > (1024*1024)) {
2403 reply_doserror(req, ERRDOS, ERRnomem);
2404 return;
2405 }
2406
2407 if (data_count < 8+sid_len) {
2408 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2409 reply_doserror(req, ERRDOS, ERRunknownlevel);
2410 return;
2411 }
2412
2413 data_len = 4+40+sid_len;
2414
2415 if (max_data_count < data_len) {
2416 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2417 max_data_count, data_len));
2418 param_len = 4;
2419 SIVAL(params,0,data_len);
2420 data_len = 0;
2421 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2422 break;
2423 }
2424
2425 sid_parse(pdata+8,sid_len,&sid);
2426
2427 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2428 ZERO_STRUCT(qt);
2429 /*
2430 * we have to return zero's in all fields
2431 * instead of returning an error here
2432 * --metze
2433 */
2434 }
2435
2436 /* Realloc the size of parameters and data we will return */
2437 param_len = 4;
2438 params = nttrans_realloc(ppparams, param_len);
2439 if(params == NULL) {
2440 reply_doserror(req, ERRDOS, ERRnomem);
2441 return;
2442 }
2443
2444 pdata = nttrans_realloc(ppdata, data_len);
2445 if(pdata == NULL) {
2446 reply_doserror(req, ERRDOS, ERRnomem);
2447 return;
2448 }
2449
2450 entry = pdata;
2451
2452 /* set params Size of returned Quota Data 4 bytes*/
2453 SIVAL(params,0,data_len);
2454
2455 /* nextoffset entry 4 bytes */
2456 SIVAL(entry,0,0);
2457
2458 /* then the len of the SID 4 bytes */
2459 SIVAL(entry,4,sid_len);
2460
2461 /* unknown data 8 bytes uint64_t */
2462 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2463
2464 /* the used disk space 8 bytes uint64_t */
2465 SBIG_UINT(entry,16,qt.usedspace);
2466
2467 /* the soft quotas 8 bytes uint64_t */
2468 SBIG_UINT(entry,24,qt.softlim);
2469
2470 /* the hard quotas 8 bytes uint64_t */
2471 SBIG_UINT(entry,32,qt.hardlim);
2472
2473 /* and now the SID */
2474 sid_linearize(entry+40, sid_len, &sid);
2475
2476 break;
2477
2478 default:
2479 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2480 reply_doserror(req, ERRSRV, ERRerror);
2481 return;
2482 break;
2483 }
2484
2485 send_nt_replies(conn, req, nt_status, params, param_len,
2486 pdata, data_len);
2487 }
2488
2489 /****************************************************************************
2490 Reply to set user quota
2491 ****************************************************************************/
2492
2493 static void call_nt_transact_set_user_quota(connection_struct *conn,
2494 struct smb_request *req,
2495 uint16 **ppsetup,
2496 uint32 setup_count,
2497 char **ppparams,
2498 uint32 parameter_count,
2499 char **ppdata,
2500 uint32 data_count,
2501 uint32 max_data_count)
2502 {
2503 char *params = *ppparams;
2504 char *pdata = *ppdata;
2505 int data_len=0,param_len=0;
2506 SMB_NTQUOTA_STRUCT qt;
2507 size_t sid_len;
2508 DOM_SID sid;
2509 files_struct *fsp = NULL;
2510
2511 ZERO_STRUCT(qt);
2512
2513 /* access check */
2514 if (conn->server_info->utok.uid != 0) {
2515 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2516 "[%s]\n", lp_servicename(SNUM(conn)),
2517 conn->server_info->unix_name));
2518 reply_doserror(req, ERRDOS, ERRnoaccess);
2519 return;
2520 }
2521
2522 /*
2523 * Ensure minimum number of parameters sent.
2524 */
2525
2526 if (parameter_count < 2) {
2527 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2528 reply_doserror(req, ERRDOS, ERRinvalidparam);
2529 return;
2530 }
2531
2532 /* maybe we can check the quota_fnum */
2533 fsp = file_fsp(req, SVAL(params,0));
2534 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2535 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2536 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2537 return;
2538 }
2539
2540 if (data_count < 40) {
2541 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2542 reply_doserror(req, ERRDOS, ERRunknownlevel);
2543 return;
2544 }
2545
2546 /* offset to next quota record.
2547 * 4 bytes IVAL(pdata,0)
2548 * unused here...
2549 */
2550
2551 /* sid len */
2552 sid_len = IVAL(pdata,4);
2553
2554 if (data_count < 40+sid_len) {
2555 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2556 reply_doserror(req, ERRDOS, ERRunknownlevel);
2557 return;
2558 }
2559
2560 /* unknown 8 bytes in pdata
2561 * maybe its the change time in NTTIME
2562 */
2563
2564 /* the used space 8 bytes (uint64_t)*/
2565 qt.usedspace = (uint64_t)IVAL(pdata,16);
2566 #ifdef LARGE_SMB_OFF_T
2567 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2568 #else /* LARGE_SMB_OFF_T */
2569 if ((IVAL(pdata,20) != 0)&&
2570 ((qt.usedspace != 0xFFFFFFFF)||
2571 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2572 /* more than 32 bits? */
2573 reply_doserror(req, ERRDOS, ERRunknownlevel);
2574 return;
2575 }
2576 #endif /* LARGE_SMB_OFF_T */
2577
2578 /* the soft quotas 8 bytes (uint64_t)*/
2579 qt.softlim = (uint64_t)IVAL(pdata,24);
2580 #ifdef LARGE_SMB_OFF_T
2581 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2582 #else /* LARGE_SMB_OFF_T */
2583 if ((IVAL(pdata,28) != 0)&&
2584 ((qt.softlim != 0xFFFFFFFF)||
2585 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2586 /* more than 32 bits? */
2587 reply_doserror(req, ERRDOS, ERRunknownlevel);
2588 return;
2589 }
2590 #endif /* LARGE_SMB_OFF_T */
2591
2592 /* the hard quotas 8 bytes (uint64_t)*/
2593 qt.hardlim = (uint64_t)IVAL(pdata,32);
2594 #ifdef LARGE_SMB_OFF_T
2595 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2596 #else /* LARGE_SMB_OFF_T */
2597 if ((IVAL(pdata,36) != 0)&&
2598 ((qt.hardlim != 0xFFFFFFFF)||
2599 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2600 /* more than 32 bits? */
2601 reply_doserror(req, ERRDOS, ERRunknownlevel);
2602 return;
2603 }
2604 #endif /* LARGE_SMB_OFF_T */
2605
2606 sid_parse(pdata+40,sid_len,&sid);
2607 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2608
2609 /* 44 unknown bytes left... */
2610
2611 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2612 reply_doserror(req, ERRSRV, ERRerror);
2613 return;
2614 }
2615
2616 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2617 pdata, data_len);
2618 }
2619 #endif /* HAVE_SYS_QUOTAS */
2620
2621 static void handle_nttrans(connection_struct *conn,
2622 struct trans_state *state,
2623 struct smb_request *req)
2624 {
2625 if (get_Protocol() >= PROTOCOL_NT1) {
2626 req->flags2 |= 0x40; /* IS_LONG_NAME */
2627 SSVAL(req->inbuf,smb_flg2,req->flags2);
2628 }
2629
2630
2631 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2632
2633 /* Now we must call the relevant NT_TRANS function */
2634 switch(state->call) {
2635 case NT_TRANSACT_CREATE:
2636 {
2637 START_PROFILE(NT_transact_create);
2638 call_nt_transact_create(
2639 conn, req,
2640 &state->setup, state->setup_count,
2641 &state->param, state->total_param,
2642 &state->data, state->total_data,
2643 state->max_data_return);
2644 END_PROFILE(NT_transact_create);
2645 break;
2646 }
2647
2648 case NT_TRANSACT_IOCTL:
2649 {
2650 START_PROFILE(NT_transact_ioctl);
2651 call_nt_transact_ioctl(
2652 conn, req,
2653 &state->setup, state->setup_count,
2654 &state->param, state->total_param,
2655 &state->data, state->total_data,
2656 state->max_data_return);
2657 END_PROFILE(NT_transact_ioctl);
2658 break;
2659 }
2660
2661 case NT_TRANSACT_SET_SECURITY_DESC:
2662 {
2663 START_PROFILE(NT_transact_set_security_desc);
2664 call_nt_transact_set_security_desc(
2665 conn, req,
2666 &state->setup, state->setup_count,
2667 &state->param, state->total_param,
2668 &state->data, state->total_data,
2669 state->max_data_return);
2670 END_PROFILE(NT_transact_set_security_desc);
2671 break;
2672 }
2673
2674 case NT_TRANSACT_NOTIFY_CHANGE:
2675 {
2676 START_PROFILE(NT_transact_notify_change);
2677 call_nt_transact_notify_change(
2678 conn, req,
2679 &state->setup, state->setup_count,
2680 &state->param, state->total_param,
2681 &state->data, state->total_data,
2682 state->max_data_return,
2683 state->max_param_return);
2684 END_PROFILE(NT_transact_notify_change);
2685 break;
2686 }
2687
2688 case NT_TRANSACT_RENAME:
2689 {
2690 START_PROFILE(NT_transact_rename);
2691 call_nt_transact_rename(
2692 conn, req,
2693 &state->setup, state->setup_count,
2694 &state->param, state->total_param,
2695 &state->data, state->total_data,
2696 state->max_data_return);
2697 END_PROFILE(NT_transact_rename);
2698 break;
2699 }
2700
2701 case NT_TRANSACT_QUERY_SECURITY_DESC:
2702 {
2703 START_PROFILE(NT_transact_query_security_desc);
2704 call_nt_transact_query_security_desc(
2705 conn, req,
2706 &state->setup, state->setup_count,
2707 &state->param, state->total_param,
2708 &state->data, state->total_data,
2709 state->max_data_return);
2710 END_PROFILE(NT_transact_query_security_desc);
2711 break;
2712 }
2713
2714 #ifdef HAVE_SYS_QUOTAS
2715 case NT_TRANSACT_GET_USER_QUOTA:
2716 {
2717 START_PROFILE(NT_transact_get_user_quota);
2718 call_nt_transact_get_user_quota(
2719 conn, req,
2720 &state->setup, state->setup_count,
2721 &state->param, state->total_param,
2722 &state->data, state->total_data,
2723 state->max_data_return);
2724 END_PROFILE(NT_transact_get_user_quota);
2725 break;
2726 }
2727
2728 case NT_TRANSACT_SET_USER_QUOTA:
2729 {
2730 START_PROFILE(NT_transact_set_user_quota);
2731 call_nt_transact_set_user_quota(
2732 conn, req,
2733 &state->setup, state->setup_count,
2734 &state->param, state->total_param,
2735 &state->data, state->total_data,
2736 state->max_data_return);
2737 END_PROFILE(NT_transact_set_user_quota);
2738 break;
2739 }
2740 #endif /* HAVE_SYS_QUOTAS */
2741
2742 default:
2743 /* Error in request */
2744 DEBUG(0,("handle_nttrans: Unknown request %d in "
2745 "nttrans call\n", state->call));
2746 reply_doserror(req, ERRSRV, ERRerror);
2747 return;
2748 }
2749 return;
2750 }
2751
2752 /****************************************************************************
2753 Reply to a SMBNTtrans.
2754 ****************************************************************************/
2755
2756 void reply_nttrans(struct smb_request *req)
2757 {
2758 connection_struct *conn = req->conn;
2759 uint32_t pscnt;
2760 uint32_t psoff;
2761 uint32_t dscnt;
2762 uint32_t dsoff;
2763 uint16 function_code;
2764 NTSTATUS result;
2765 struct trans_state *state;
2766
2767 START_PROFILE(SMBnttrans);
2768
2769 if (req->wct < 19) {
2770 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2771 END_PROFILE(SMBnttrans);
2772 return;
2773 }
2774
2775 pscnt = IVAL(req->vwv+9, 1);
2776 psoff = IVAL(req->vwv+11, 1);
2777 dscnt = IVAL(req->vwv+13, 1);
2778 dsoff = IVAL(req->vwv+15, 1);
2779 function_code = SVAL(req->vwv+18, 0);
2780
2781 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2782 reply_doserror(req, ERRSRV, ERRaccess);
2783 END_PROFILE(SMBnttrans);
2784 return;
2785 }
2786
2787 result = allow_new_trans(conn->pending_trans, req->mid);
2788 if (!NT_STATUS_IS_OK(result)) {
2789 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2790 reply_nterror(req, result);
2791 END_PROFILE(SMBnttrans);
2792 return;
2793 }
2794
2795 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2796 reply_doserror(req, ERRSRV, ERRaccess);
2797 END_PROFILE(SMBnttrans);
2798 return;
2799 }
2800
2801 state->cmd = SMBnttrans;
2802
2803 state->mid = req->mid;
2804 state->vuid = req->vuid;
2805 state->total_data = IVAL(req->vwv+3, 1);
2806 state->data = NULL;
2807 state->total_param = IVAL(req->vwv+1, 1);
2808 state->param = NULL;
2809 state->max_data_return = IVAL(req->vwv+7, 1);
2810 state->max_param_return = IVAL(req->vwv+5, 1);
2811
2812 /* setup count is in *words* */
2813 state->setup_count = 2*CVAL(req->vwv+17, 1);
2814 state->setup = NULL;
2815 state->call = function_code;
2816
2817 DEBUG(10, ("num_setup=%u, "
2818 "param_total=%u, this_param=%u, max_param=%u, "
2819 "data_total=%u, this_data=%u, max_data=%u, "
2820 "param_offset=%u, data_offset=%u\n",
2821 (unsigned)state->setup_count,
2822 (unsigned)state->total_param, (unsigned)pscnt,
2823 (unsigned)state->max_param_return,
2824 (unsigned)state->total_data, (unsigned)dscnt,
2825 (unsigned)state->max_data_return,
2826 (unsigned)psoff, (unsigned)dsoff));
2827
2828 /*
2829 * All nttrans messages we handle have smb_wct == 19 +
2830 * state->setup_count. Ensure this is so as a sanity check.
2831 */
2832
2833 if(req->wct != 19 + (state->setup_count/2)) {
2834 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2835 req->wct, 19 + (state->setup_count/2)));
2836 goto bad_param;
2837 }
2838
2839 /* Don't allow more than 128mb for each value. */
2840 if ((state->total_data > (1024*1024*128)) ||
2841 (state->total_param > (1024*1024*128))) {
2842 reply_doserror(req, ERRDOS, ERRnomem);
2843 END_PROFILE(SMBnttrans);
2844 return;
2845 }
2846
2847 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2848 goto bad_param;
2849
2850 if (state->total_data) {
2851
2852 if (trans_oob(state->total_data, 0, dscnt)
2853 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2854 goto bad_param;
2855 }
2856
2857 /* Can't use talloc here, the core routines do realloc on the
2858 * params and data. */
2859 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2860 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2861 "bytes !\n", (unsigned int)state->total_data));
2862 TALLOC_FREE(state);
2863 reply_doserror(req, ERRDOS, ERRnomem);
2864 END_PROFILE(SMBnttrans);
2865 return;
2866 }
2867
2868 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2869 }
2870
2871 if (state->total_param) {
2872
2873 if (trans_oob(state->total_param, 0, pscnt)
2874 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2875 goto bad_param;
2876 }
2877
2878 /* Can't use talloc here, the core routines do realloc on the
2879 * params and data. */
2880 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2881 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2882 "bytes !\n", (unsigned int)state->total_param));
2883 SAFE_FREE(state->data);
2884 TALLOC_FREE(state);
2885 reply_doserror(req, ERRDOS, ERRnomem);
2886 END_PROFILE(SMBnttrans);
2887 return;
2888 }
2889
2890 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2891 }
2892
2893 state->received_data = dscnt;
2894 state->received_param = pscnt;
2895
2896 if(state->setup_count > 0) {
2897 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2898 state->setup_count));
2899
2900 /*
2901 * No overflow possible here, state->setup_count is an
2902 * unsigned int, being filled by a single byte from
2903 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2904 * below is not necessary, it's here to clarify things. The
2905 * validity of req->vwv and req->wct has been checked in
2906 * init_smb_request already.
2907 */
2908 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2909 goto bad_param;
2910 }
2911
2912 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2913 if (state->setup == NULL) {
2914 DEBUG(0,("reply_nttrans : Out of memory\n"));
2915 SAFE_FREE(state->data);
2916 SAFE_FREE(state->param);
2917 TALLOC_FREE(state);
2918 reply_doserror(req, ERRDOS, ERRnomem);
2919 END_PROFILE(SMBnttrans);
2920 return;
2921 }
2922
2923 memcpy(state->setup, req->vwv+19, state->setup_count);
2924 dump_data(10, (uint8 *)state->setup, state->setup_count);
2925 }
2926
2927 if ((state->received_data == state->total_data) &&
2928 (state->received_param == state->total_param)) {
2929 handle_nttrans(conn, state, req);
2930 SAFE_FREE(state->param);
2931 SAFE_FREE(state->data);
2932 TALLOC_FREE(state);
2933 END_PROFILE(SMBnttrans);
2934 return;
2935 }
2936
2937 DLIST_ADD(conn->pending_trans, state);
2938
2939 /* We need to send an interim response then receive the rest
2940 of the parameter/data bytes */
2941 reply_outbuf(req, 0, 0);
2942 show_msg((char *)req->outbuf);
2943 END_PROFILE(SMBnttrans);
2944 return;
2945
2946 bad_param:
2947
2948 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2949 SAFE_FREE(state->data);
2950 SAFE_FREE(state->param);
2951 TALLOC_FREE(state);
2952 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2953 END_PROFILE(SMBnttrans);
2954 return;
2955 }
2956
2957 /****************************************************************************
2958 Reply to a SMBnttranss
2959 ****************************************************************************/
2960
2961 void reply_nttranss(struct smb_request *req)
2962 {
2963 connection_struct *conn = req->conn;
2964 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2965 struct trans_state *state;
2966
2967 START_PROFILE(SMBnttranss);
2968
2969 show_msg((char *)req->inbuf);
2970
2971 if (req->wct < 18) {
2972 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2973 END_PROFILE(SMBnttranss);
2974 return;
2975 }
2976
2977 for (state = conn->pending_trans; state != NULL;
2978 state = state->next) {
2979 if (state->mid == req->mid) {
2980 break;
2981 }
2982 }
2983
2984 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2985 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2986 END_PROFILE(SMBnttranss);
2987 return;
2988 }
2989
2990 /* Revise state->total_param and state->total_data in case they have
2991 changed downwards */
2992 if (IVAL(req->vwv+1, 1) < state->total_param) {
2993 state->total_param = IVAL(req->vwv+1, 1);
2994 }
2995 if (IVAL(req->vwv+3, 1) < state->total_data) {
2996 state->total_data = IVAL(req->vwv+3, 1);
2997 }
2998
2999 pcnt = IVAL(req->vwv+5, 1);
3000 poff = IVAL(req->vwv+7, 1);
3001 pdisp = IVAL(req->vwv+9, 1);
3002
3003 dcnt = IVAL(req->vwv+11, 1);
3004 doff = IVAL(req->vwv+13, 1);
3005 ddisp = IVAL(req->vwv+15, 1);
3006
3007 state->received_param += pcnt;
3008 state->received_data += dcnt;
3009
3010 if ((state->received_data > state->total_data) ||
3011 (state->received_param > state->total_param))
3012 goto bad_param;
3013
3014 if (pcnt) {
3015 if (trans_oob(state->total_param, pdisp, pcnt)
3016 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3017 goto bad_param;
3018 }
3019 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3020 }
3021
3022 if (dcnt) {
3023 if (trans_oob(state->total_data, ddisp, dcnt)
3024 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3025 goto bad_param;
3026 }
3027 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3028 }
3029
3030 if ((state->received_param < state->total_param) ||
3031 (state->received_data < state->total_data)) {
3032 END_PROFILE(SMBnttranss);
3033 return;
3034 }
3035
3036 handle_nttrans(conn, state, req);
3037
3038 DLIST_REMOVE(conn->pending_trans, state);
3039 SAFE_FREE(state->data);
3040 SAFE_FREE(state->param);
3041 TALLOC_FREE(state);
3042 END_PROFILE(SMBnttranss);
3043 return;
3044
3045 bad_param:
3046
3047 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3048 DLIST_REMOVE(conn->pending_trans, state);
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(SMBnttranss);
3054 return;
3055 }
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