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s3: add comment about what the FSCTL_QUERY_ALLOCATED_RANGES currently does
[Samba/ita.git] / source3 / smbd / nttrans.c
bloba03a0b1a55b92b86c004f98205c143d448697717
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_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 0, /* private_flags */
574 NULL, /* sd */
575 NULL, /* ea_list */
576 &fsp, /* result */
577 &info); /* pinfo */
578
579 if (!NT_STATUS_IS_OK(status)) {
580 if (open_was_deferred(req->mid)) {
581 /* We have re-scheduled this call, no error. */
582 goto out;
583 }
584 reply_openerror(req, status);
585 goto out;
586 }
587
588 /* Ensure we're pointing at the correct stat struct. */
589 TALLOC_FREE(smb_fname);
590 smb_fname = fsp->fsp_name;
591
592 /*
593 * If the caller set the extended oplock request bit
594 * and we granted one (by whatever means) - set the
595 * correct bit for extended oplock reply.
596 */
597
598 if (oplock_request &&
599 (lp_fake_oplocks(SNUM(conn))
600 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
601
602 /*
603 * Exclusive oplock granted
604 */
605
606 if (flags & REQUEST_BATCH_OPLOCK) {
607 oplock_granted = BATCH_OPLOCK_RETURN;
608 } else {
609 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
610 }
611 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
612 oplock_granted = LEVEL_II_OPLOCK_RETURN;
613 } else {
614 oplock_granted = NO_OPLOCK_RETURN;
615 }
616
617 file_len = smb_fname->st.st_ex_size;
618
619 if (flags & EXTENDED_RESPONSE_REQUIRED) {
620 /* This is very strange. We
621 * return 50 words, but only set
622 * the wcnt to 42 ? It's definately
623 * what happens on the wire....
624 */
625 reply_outbuf(req, 50, 0);
626 SCVAL(req->outbuf,smb_wct,42);
627 } else {
628 reply_outbuf(req, 34, 0);
629 }
630
631 p = (char *)req->outbuf + smb_vwv2;
632
633 SCVAL(p, 0, oplock_granted);
634
635 p++;
636 SSVAL(p,0,fsp->fnum);
637 p += 2;
638 if ((create_disposition == FILE_SUPERSEDE)
639 && (info == FILE_WAS_OVERWRITTEN)) {
640 SIVAL(p,0,FILE_WAS_SUPERSEDED);
641 } else {
642 SIVAL(p,0,info);
643 }
644 p += 4;
645
646 fattr = dos_mode(conn, smb_fname);
647 if (fattr == 0) {
648 fattr = FILE_ATTRIBUTE_NORMAL;
649 }
650
651 /* Deal with other possible opens having a modified
652 write time. JRA. */
653 ZERO_STRUCT(write_time_ts);
654 get_file_infos(fsp->file_id, NULL, &write_time_ts);
655 if (!null_timespec(write_time_ts)) {
656 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
657 }
658
659 /* Create time. */
660 create_timespec = get_create_timespec(conn, fsp, smb_fname);
661 a_timespec = smb_fname->st.st_ex_atime;
662 m_timespec = smb_fname->st.st_ex_mtime;
663 c_timespec = get_change_timespec(conn, fsp, smb_fname);
664
665 if (lp_dos_filetime_resolution(SNUM(conn))) {
666 dos_filetime_timespec(&create_timespec);
667 dos_filetime_timespec(&a_timespec);
668 dos_filetime_timespec(&m_timespec);
669 dos_filetime_timespec(&c_timespec);
670 }
671
672 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
673 p += 8;
674 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
675 p += 8;
676 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
677 p += 8;
678 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
679 p += 8;
680 SIVAL(p,0,fattr); /* File Attributes. */
681 p += 4;
682 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
683 p += 8;
684 SOFF_T(p,0,file_len);
685 p += 8;
686 if (flags & EXTENDED_RESPONSE_REQUIRED) {
687 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
688 size_t num_names = 0;
689 unsigned int num_streams;
690 struct stream_struct *streams = NULL;
691
692 /* Do we have any EA's ? */
693 status = get_ea_names_from_file(ctx, conn, fsp,
694 smb_fname->base_name, NULL, &num_names);
695 if (NT_STATUS_IS_OK(status) && num_names) {
696 file_status &= ~NO_EAS;
697 }
698 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
699 &num_streams, &streams);
700 /* There is always one stream, ::$DATA. */
701 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
702 file_status &= ~NO_SUBSTREAMS;
703 }
704 TALLOC_FREE(streams);
705 SSVAL(p,2,file_status);
706 }
707 p += 4;
708 SCVAL(p,0,fsp->is_directory ? 1 : 0);
709
710 if (flags & EXTENDED_RESPONSE_REQUIRED) {
711 uint32 perms = 0;
712 p += 25;
713 if (fsp->is_directory ||
714 can_write_to_file(conn, smb_fname)) {
715 perms = FILE_GENERIC_ALL;
716 } else {
717 perms = FILE_GENERIC_READ|FILE_EXECUTE;
718 }
719 SIVAL(p,0,perms);
720 }
721
722 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
723 fsp->fnum, smb_fname_str_dbg(smb_fname)));
724
725 chain_reply(req);
726 out:
727 END_PROFILE(SMBntcreateX);
728 return;
729 }
730
731 /****************************************************************************
732 Reply to a NT_TRANSACT_CREATE call to open a pipe.
733 ****************************************************************************/
734
735 static void do_nt_transact_create_pipe(connection_struct *conn,
736 struct smb_request *req,
737 uint16 **ppsetup, uint32 setup_count,
738 char **ppparams, uint32 parameter_count,
739 char **ppdata, uint32 data_count)
740 {
741 char *fname = NULL;
742 char *params = *ppparams;
743 int pnum = -1;
744 char *p = NULL;
745 NTSTATUS status;
746 size_t param_len;
747 uint32 flags;
748 TALLOC_CTX *ctx = talloc_tos();
749
750 /*
751 * Ensure minimum number of parameters sent.
752 */
753
754 if(parameter_count < 54) {
755 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
756 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
757 return;
758 }
759
760 flags = IVAL(params,0);
761
762 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
763 parameter_count-53, STR_TERMINATE,
764 &status);
765 if (!NT_STATUS_IS_OK(status)) {
766 reply_nterror(req, status);
767 return;
768 }
769
770 nt_open_pipe(fname, conn, req, &pnum);
771
772 if (req->outbuf) {
773 /* Error return */
774 return;
775 }
776
777 /* Realloc the size of parameters and data we will return */
778 if (flags & EXTENDED_RESPONSE_REQUIRED) {
779 /* Extended response is 32 more byyes. */
780 param_len = 101;
781 } else {
782 param_len = 69;
783 }
784 params = nttrans_realloc(ppparams, param_len);
785 if(params == NULL) {
786 reply_nterror(req, NT_STATUS_NO_MEMORY);
787 return;
788 }
789
790 p = params;
791 SCVAL(p,0,NO_OPLOCK_RETURN);
792
793 p += 2;
794 SSVAL(p,0,pnum);
795 p += 2;
796 SIVAL(p,0,FILE_WAS_OPENED);
797 p += 8;
798
799 p += 32;
800 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
801 p += 20;
802 /* File type. */
803 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
804 /* Device state. */
805 SSVAL(p,2, 0x5FF); /* ? */
806 p += 4;
807
808 if (flags & EXTENDED_RESPONSE_REQUIRED) {
809 p += 25;
810 SIVAL(p,0,FILE_GENERIC_ALL);
811 /*
812 * For pipes W2K3 seems to return
813 * 0x12019B next.
814 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
815 */
816 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
817 }
818
819 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
820
821 /* Send the required number of replies */
822 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
823
824 return;
825 }
826
827 /****************************************************************************
828 Internal fn to set security descriptors.
829 ****************************************************************************/
830
831 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
832 uint32 security_info_sent)
833 {
834 SEC_DESC *psd = NULL;
835 NTSTATUS status;
836
837 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
838 return NT_STATUS_OK;
839 }
840
841 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
842
843 if (!NT_STATUS_IS_OK(status)) {
844 return status;
845 }
846
847 if (psd->owner_sid == NULL) {
848 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
849 }
850 if (psd->group_sid == NULL) {
851 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
852 }
853
854 /* Convert all the generic bits. */
855 security_acl_map_generic(psd->dacl, &file_generic_mapping);
856 security_acl_map_generic(psd->sacl, &file_generic_mapping);
857
858 if (DEBUGLEVEL >= 10) {
859 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
860 NDR_PRINT_DEBUG(security_descriptor, psd);
861 }
862
863 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
864
865 TALLOC_FREE(psd);
866
867 return status;
868 }
869
870 /****************************************************************************
871 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
872 ****************************************************************************/
873
874 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
875 {
876 struct ea_list *ea_list_head = NULL;
877 size_t offset = 0;
878
879 if (data_size < 4) {
880 return NULL;
881 }
882
883 while (offset + 4 <= data_size) {
884 size_t next_offset = IVAL(pdata,offset);
885 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
886
887 if (!eal) {
888 return NULL;
889 }
890
891 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
892 if (next_offset == 0) {
893 break;
894 }
895 offset += next_offset;
896 }
897
898 return ea_list_head;
899 }
900
901 /****************************************************************************
902 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
903 ****************************************************************************/
904
905 static void call_nt_transact_create(connection_struct *conn,
906 struct smb_request *req,
907 uint16 **ppsetup, uint32 setup_count,
908 char **ppparams, uint32 parameter_count,
909 char **ppdata, uint32 data_count,
910 uint32 max_data_count)
911 {
912 struct smb_filename *smb_fname = NULL;
913 char *fname = NULL;
914 char *params = *ppparams;
915 char *data = *ppdata;
916 /* Breakout the oplock request bits so we can set the reply bits separately. */
917 uint32 fattr=0;
918 SMB_OFF_T file_len = 0;
919 int info = 0;
920 files_struct *fsp = NULL;
921 char *p = NULL;
922 uint32 flags;
923 uint32 access_mask;
924 uint32 file_attributes;
925 uint32 share_access;
926 uint32 create_disposition;
927 uint32 create_options;
928 uint32 sd_len;
929 struct security_descriptor *sd = NULL;
930 uint32 ea_len;
931 uint16 root_dir_fid;
932 struct timespec create_timespec;
933 struct timespec c_timespec;
934 struct timespec a_timespec;
935 struct timespec m_timespec;
936 struct timespec write_time_ts;
937 struct ea_list *ea_list = NULL;
938 NTSTATUS status;
939 size_t param_len;
940 uint64_t allocation_size;
941 int oplock_request;
942 uint8_t oplock_granted;
943 struct case_semantics_state *case_state = NULL;
944 TALLOC_CTX *ctx = talloc_tos();
945
946 DEBUG(5,("call_nt_transact_create\n"));
947
948 /*
949 * If it's an IPC, use the pipe handler.
950 */
951
952 if (IS_IPC(conn)) {
953 if (lp_nt_pipe_support()) {
954 do_nt_transact_create_pipe(
955 conn, req,
956 ppsetup, setup_count,
957 ppparams, parameter_count,
958 ppdata, data_count);
959 goto out;
960 }
961 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
962 goto out;
963 }
964
965 /*
966 * Ensure minimum number of parameters sent.
967 */
968
969 if(parameter_count < 54) {
970 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
971 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
972 goto out;
973 }
974
975 flags = IVAL(params,0);
976 access_mask = IVAL(params,8);
977 file_attributes = IVAL(params,20);
978 share_access = IVAL(params,24);
979 create_disposition = IVAL(params,28);
980 create_options = IVAL(params,32);
981 sd_len = IVAL(params,36);
982 ea_len = IVAL(params,40);
983 root_dir_fid = (uint16)IVAL(params,4);
984 allocation_size = (uint64_t)IVAL(params,12);
985 #ifdef LARGE_SMB_OFF_T
986 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
987 #endif
988
989 /*
990 * we need to remove ignored bits when they come directly from the client
991 * because we reuse some of them for internal stuff
992 */
993 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
994
995 /* Ensure the data_len is correct for the sd and ea values given. */
996 if ((ea_len + sd_len > data_count)
997 || (ea_len > data_count) || (sd_len > data_count)
998 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
999 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1000 "%u, data_count = %u\n", (unsigned int)ea_len,
1001 (unsigned int)sd_len, (unsigned int)data_count));
1002 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1003 goto out;
1004 }
1005
1006 if (sd_len) {
1007 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1008 sd_len));
1009
1010 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1011 &sd);
1012 if (!NT_STATUS_IS_OK(status)) {
1013 DEBUG(10, ("call_nt_transact_create: "
1014 "unmarshall_sec_desc failed: %s\n",
1015 nt_errstr(status)));
1016 reply_nterror(req, status);
1017 goto out;
1018 }
1019 }
1020
1021 if (ea_len) {
1022 if (!lp_ea_support(SNUM(conn))) {
1023 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1024 "EA's not supported.\n",
1025 (unsigned int)ea_len));
1026 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1027 goto out;
1028 }
1029
1030 if (ea_len < 10) {
1031 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1032 "too small (should be more than 10)\n",
1033 (unsigned int)ea_len ));
1034 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1035 goto out;
1036 }
1037
1038 /* We have already checked that ea_len <= data_count here. */
1039 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1040 ea_len);
1041 if (ea_list == NULL) {
1042 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1043 goto out;
1044 }
1045 }
1046
1047 srvstr_get_path(ctx, params, req->flags2, &fname,
1048 params+53, parameter_count-53,
1049 STR_TERMINATE, &status);
1050 if (!NT_STATUS_IS_OK(status)) {
1051 reply_nterror(req, status);
1052 goto out;
1053 }
1054
1055 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1056 case_state = set_posix_case_semantics(ctx, conn);
1057 if (!case_state) {
1058 reply_nterror(req, NT_STATUS_NO_MEMORY);
1059 goto out;
1060 }
1061 }
1062
1063 status = filename_convert(ctx,
1064 conn,
1065 req->flags2 & FLAGS2_DFS_PATHNAMES,
1066 fname,
1067 0,
1068 NULL,
1069 &smb_fname);
1070
1071 TALLOC_FREE(case_state);
1072
1073 if (!NT_STATUS_IS_OK(status)) {
1074 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1075 reply_botherror(req,
1076 NT_STATUS_PATH_NOT_COVERED,
1077 ERRSRV, ERRbadpath);
1078 goto out;
1079 }
1080 reply_nterror(req, status);
1081 goto out;
1082 }
1083
1084 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1085 if (oplock_request) {
1086 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1087 ? BATCH_OPLOCK : 0;
1088 }
1089
1090 /*
1091 * Bug #6898 - clients using Windows opens should
1092 * never be able to set this attribute into the
1093 * VFS.
1094 */
1095 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1096
1097 status = SMB_VFS_CREATE_FILE(
1098 conn, /* conn */
1099 req, /* req */
1100 root_dir_fid, /* root_dir_fid */
1101 smb_fname, /* fname */
1102 access_mask, /* access_mask */
1103 share_access, /* share_access */
1104 create_disposition, /* create_disposition*/
1105 create_options, /* create_options */
1106 file_attributes, /* file_attributes */
1107 oplock_request, /* oplock_request */
1108 allocation_size, /* allocation_size */
1109 0, /* private_flags */
1110 sd, /* sd */
1111 ea_list, /* ea_list */
1112 &fsp, /* result */
1113 &info); /* pinfo */
1114
1115 if(!NT_STATUS_IS_OK(status)) {
1116 if (open_was_deferred(req->mid)) {
1117 /* We have re-scheduled this call, no error. */
1118 return;
1119 }
1120 reply_openerror(req, status);
1121 goto out;
1122 }
1123
1124 /* Ensure we're pointing at the correct stat struct. */
1125 TALLOC_FREE(smb_fname);
1126 smb_fname = fsp->fsp_name;
1127
1128 /*
1129 * If the caller set the extended oplock request bit
1130 * and we granted one (by whatever means) - set the
1131 * correct bit for extended oplock reply.
1132 */
1133
1134 if (oplock_request &&
1135 (lp_fake_oplocks(SNUM(conn))
1136 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1137
1138 /*
1139 * Exclusive oplock granted
1140 */
1141
1142 if (flags & REQUEST_BATCH_OPLOCK) {
1143 oplock_granted = BATCH_OPLOCK_RETURN;
1144 } else {
1145 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1146 }
1147 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1148 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1149 } else {
1150 oplock_granted = NO_OPLOCK_RETURN;
1151 }
1152
1153 file_len = smb_fname->st.st_ex_size;
1154
1155 /* Realloc the size of parameters and data we will return */
1156 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1157 /* Extended response is 32 more byyes. */
1158 param_len = 101;
1159 } else {
1160 param_len = 69;
1161 }
1162 params = nttrans_realloc(ppparams, param_len);
1163 if(params == NULL) {
1164 reply_nterror(req, NT_STATUS_NO_MEMORY);
1165 goto out;
1166 }
1167
1168 p = params;
1169 SCVAL(p, 0, oplock_granted);
1170
1171 p += 2;
1172 SSVAL(p,0,fsp->fnum);
1173 p += 2;
1174 if ((create_disposition == FILE_SUPERSEDE)
1175 && (info == FILE_WAS_OVERWRITTEN)) {
1176 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1177 } else {
1178 SIVAL(p,0,info);
1179 }
1180 p += 8;
1181
1182 fattr = dos_mode(conn, smb_fname);
1183 if (fattr == 0) {
1184 fattr = FILE_ATTRIBUTE_NORMAL;
1185 }
1186
1187 /* Deal with other possible opens having a modified
1188 write time. JRA. */
1189 ZERO_STRUCT(write_time_ts);
1190 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1191 if (!null_timespec(write_time_ts)) {
1192 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1193 }
1194
1195 /* Create time. */
1196 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1197 a_timespec = smb_fname->st.st_ex_atime;
1198 m_timespec = smb_fname->st.st_ex_mtime;
1199 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1200
1201 if (lp_dos_filetime_resolution(SNUM(conn))) {
1202 dos_filetime_timespec(&create_timespec);
1203 dos_filetime_timespec(&a_timespec);
1204 dos_filetime_timespec(&m_timespec);
1205 dos_filetime_timespec(&c_timespec);
1206 }
1207
1208 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1209 p += 8;
1210 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1211 p += 8;
1212 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1213 p += 8;
1214 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1215 p += 8;
1216 SIVAL(p,0,fattr); /* File Attributes. */
1217 p += 4;
1218 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1219 p += 8;
1220 SOFF_T(p,0,file_len);
1221 p += 8;
1222 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1223 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1224 size_t num_names = 0;
1225 unsigned int num_streams;
1226 struct stream_struct *streams = NULL;
1227
1228 /* Do we have any EA's ? */
1229 status = get_ea_names_from_file(ctx, conn, fsp,
1230 smb_fname->base_name, NULL, &num_names);
1231 if (NT_STATUS_IS_OK(status) && num_names) {
1232 file_status &= ~NO_EAS;
1233 }
1234 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1235 &num_streams, &streams);
1236 /* There is always one stream, ::$DATA. */
1237 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1238 file_status &= ~NO_SUBSTREAMS;
1239 }
1240 TALLOC_FREE(streams);
1241 SSVAL(p,2,file_status);
1242 }
1243 p += 4;
1244 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1245
1246 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1247 uint32 perms = 0;
1248 p += 25;
1249 if (fsp->is_directory ||
1250 can_write_to_file(conn, smb_fname)) {
1251 perms = FILE_GENERIC_ALL;
1252 } else {
1253 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1254 }
1255 SIVAL(p,0,perms);
1256 }
1257
1258 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1259 smb_fname_str_dbg(smb_fname)));
1260
1261 /* Send the required number of replies */
1262 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1263 out:
1264 return;
1265 }
1266
1267 /****************************************************************************
1268 Reply to a NT CANCEL request.
1269 conn POINTER CAN BE NULL HERE !
1270 ****************************************************************************/
1271
1272 void reply_ntcancel(struct smb_request *req)
1273 {
1274 /*
1275 * Go through and cancel any pending change notifies.
1276 */
1277
1278 START_PROFILE(SMBntcancel);
1279 srv_cancel_sign_response(smbd_server_conn);
1280 remove_pending_change_notify_requests_by_mid(req->mid);
1281 remove_pending_lock_requests_by_mid(req->mid);
1282
1283 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1284
1285 END_PROFILE(SMBntcancel);
1286 return;
1287 }
1288
1289 /****************************************************************************
1290 Copy a file.
1291 ****************************************************************************/
1292
1293 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1294 connection_struct *conn,
1295 struct smb_request *req,
1296 struct smb_filename *smb_fname_src,
1297 struct smb_filename *smb_fname_dst,
1298 uint32 attrs)
1299 {
1300 files_struct *fsp1,*fsp2;
1301 uint32 fattr;
1302 int info;
1303 SMB_OFF_T ret=-1;
1304 NTSTATUS status = NT_STATUS_OK;
1305 char *parent;
1306
1307 if (!CAN_WRITE(conn)) {
1308 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1309 goto out;
1310 }
1311
1312 /* Source must already exist. */
1313 if (!VALID_STAT(smb_fname_src->st)) {
1314 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1315 goto out;
1316 }
1317
1318 /* Ensure attributes match. */
1319 fattr = dos_mode(conn, smb_fname_src);
1320 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1321 status = NT_STATUS_NO_SUCH_FILE;
1322 goto out;
1323 }
1324
1325 /* Disallow if dst file already exists. */
1326 if (VALID_STAT(smb_fname_dst->st)) {
1327 status = NT_STATUS_OBJECT_NAME_COLLISION;
1328 goto out;
1329 }
1330
1331 /* No links from a directory. */
1332 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1333 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1334 goto out;
1335 }
1336
1337 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1338 smb_fname_str_dbg(smb_fname_src),
1339 smb_fname_str_dbg(smb_fname_dst)));
1340
1341 status = SMB_VFS_CREATE_FILE(
1342 conn, /* conn */
1343 req, /* req */
1344 0, /* root_dir_fid */
1345 smb_fname_src, /* fname */
1346 FILE_READ_DATA, /* access_mask */
1347 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1348 FILE_SHARE_DELETE),
1349 FILE_OPEN, /* create_disposition*/
1350 0, /* create_options */
1351 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1352 NO_OPLOCK, /* oplock_request */
1353 0, /* allocation_size */
1354 0, /* private_flags */
1355 NULL, /* sd */
1356 NULL, /* ea_list */
1357 &fsp1, /* result */
1358 &info); /* pinfo */
1359
1360 if (!NT_STATUS_IS_OK(status)) {
1361 goto out;
1362 }
1363
1364 status = SMB_VFS_CREATE_FILE(
1365 conn, /* conn */
1366 req, /* req */
1367 0, /* root_dir_fid */
1368 smb_fname_dst, /* fname */
1369 FILE_WRITE_DATA, /* access_mask */
1370 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1371 FILE_SHARE_DELETE),
1372 FILE_CREATE, /* create_disposition*/
1373 0, /* create_options */
1374 fattr, /* file_attributes */
1375 NO_OPLOCK, /* oplock_request */
1376 0, /* allocation_size */
1377 0, /* private_flags */
1378 NULL, /* sd */
1379 NULL, /* ea_list */
1380 &fsp2, /* result */
1381 &info); /* pinfo */
1382
1383 if (!NT_STATUS_IS_OK(status)) {
1384 close_file(NULL, fsp1, ERROR_CLOSE);
1385 goto out;
1386 }
1387
1388 if (smb_fname_src->st.st_ex_size) {
1389 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1390 }
1391
1392 /*
1393 * As we are opening fsp1 read-only we only expect
1394 * an error on close on fsp2 if we are out of space.
1395 * Thus we don't look at the error return from the
1396 * close of fsp1.
1397 */
1398 close_file(NULL, fsp1, NORMAL_CLOSE);
1399
1400 /* Ensure the modtime is set correctly on the destination file. */
1401 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1402
1403 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1404
1405 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1406 creates the file. This isn't the correct thing to do in the copy
1407 case. JRA */
1408 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1409 NULL)) {
1410 status = NT_STATUS_NO_MEMORY;
1411 goto out;
1412 }
1413 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1414 TALLOC_FREE(parent);
1415
1416 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1417 status = NT_STATUS_DISK_FULL;
1418 goto out;
1419 }
1420 out:
1421 if (!NT_STATUS_IS_OK(status)) {
1422 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1423 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1424 smb_fname_str_dbg(smb_fname_dst)));
1425 }
1426
1427 return status;
1428 }
1429
1430 /****************************************************************************
1431 Reply to a NT rename request.
1432 ****************************************************************************/
1433
1434 void reply_ntrename(struct smb_request *req)
1435 {
1436 connection_struct *conn = req->conn;
1437 struct smb_filename *smb_fname_old = NULL;
1438 struct smb_filename *smb_fname_new = NULL;
1439 char *oldname = NULL;
1440 char *newname = NULL;
1441 const char *p;
1442 NTSTATUS status;
1443 bool src_has_wcard = False;
1444 bool dest_has_wcard = False;
1445 uint32 attrs;
1446 uint32_t ucf_flags_src = 0;
1447 uint32_t ucf_flags_dst = 0;
1448 uint16 rename_type;
1449 TALLOC_CTX *ctx = talloc_tos();
1450
1451 START_PROFILE(SMBntrename);
1452
1453 if (req->wct < 4) {
1454 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1455 goto out;
1456 }
1457
1458 attrs = SVAL(req->vwv+0, 0);
1459 rename_type = SVAL(req->vwv+1, 0);
1460
1461 p = (const char *)req->buf + 1;
1462 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1463 &status, &src_has_wcard);
1464 if (!NT_STATUS_IS_OK(status)) {
1465 reply_nterror(req, status);
1466 goto out;
1467 }
1468
1469 if (ms_has_wild(oldname)) {
1470 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1471 goto out;
1472 }
1473
1474 p++;
1475 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1476 &status, &dest_has_wcard);
1477 if (!NT_STATUS_IS_OK(status)) {
1478 reply_nterror(req, status);
1479 goto out;
1480 }
1481
1482 /* The newname must begin with a ':' if the oldname contains a ':'. */
1483 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1484 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1485 goto out;
1486 }
1487
1488 /*
1489 * If this is a rename operation, allow wildcards and save the
1490 * destination's last component.
1491 */
1492 if (rename_type == RENAME_FLAG_RENAME) {
1493 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1494 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1495 }
1496
1497 /* rename_internals() calls unix_convert(), so don't call it here. */
1498 status = filename_convert(ctx, conn,
1499 req->flags2 & FLAGS2_DFS_PATHNAMES,
1500 oldname,
1501 ucf_flags_src,
1502 NULL,
1503 &smb_fname_old);
1504 if (!NT_STATUS_IS_OK(status)) {
1505 if (NT_STATUS_EQUAL(status,
1506 NT_STATUS_PATH_NOT_COVERED)) {
1507 reply_botherror(req,
1508 NT_STATUS_PATH_NOT_COVERED,
1509 ERRSRV, ERRbadpath);
1510 goto out;
1511 }
1512 reply_nterror(req, status);
1513 goto out;
1514 }
1515
1516 status = filename_convert(ctx, conn,
1517 req->flags2 & FLAGS2_DFS_PATHNAMES,
1518 newname,
1519 ucf_flags_dst,
1520 &dest_has_wcard,
1521 &smb_fname_new);
1522 if (!NT_STATUS_IS_OK(status)) {
1523 if (NT_STATUS_EQUAL(status,
1524 NT_STATUS_PATH_NOT_COVERED)) {
1525 reply_botherror(req,
1526 NT_STATUS_PATH_NOT_COVERED,
1527 ERRSRV, ERRbadpath);
1528 goto out;
1529 }
1530 reply_nterror(req, status);
1531 goto out;
1532 }
1533
1534 DEBUG(3,("reply_ntrename: %s -> %s\n",
1535 smb_fname_str_dbg(smb_fname_old),
1536 smb_fname_str_dbg(smb_fname_new)));
1537
1538 switch(rename_type) {
1539 case RENAME_FLAG_RENAME:
1540 status = rename_internals(ctx, conn, req,
1541 smb_fname_old, smb_fname_new,
1542 attrs, False, src_has_wcard,
1543 dest_has_wcard,
1544 DELETE_ACCESS);
1545 break;
1546 case RENAME_FLAG_HARD_LINK:
1547 if (src_has_wcard || dest_has_wcard) {
1548 /* No wildcards. */
1549 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1550 } else {
1551 status = hardlink_internals(ctx, conn,
1552 smb_fname_old,
1553 smb_fname_new);
1554 }
1555 break;
1556 case RENAME_FLAG_COPY:
1557 if (src_has_wcard || dest_has_wcard) {
1558 /* No wildcards. */
1559 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1560 } else {
1561 status = copy_internals(ctx, conn, req,
1562 smb_fname_old,
1563 smb_fname_new,
1564 attrs);
1565 }
1566 break;
1567 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1568 status = NT_STATUS_INVALID_PARAMETER;
1569 break;
1570 default:
1571 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1572 break;
1573 }
1574
1575 if (!NT_STATUS_IS_OK(status)) {
1576 if (open_was_deferred(req->mid)) {
1577 /* We have re-scheduled this call. */
1578 goto out;
1579 }
1580
1581 reply_nterror(req, status);
1582 goto out;
1583 }
1584
1585 reply_outbuf(req, 0, 0);
1586 out:
1587 END_PROFILE(SMBntrename);
1588 return;
1589 }
1590
1591 /****************************************************************************
1592 Reply to a notify change - queue the request and
1593 don't allow a directory to be opened.
1594 ****************************************************************************/
1595
1596 static void smbd_smb1_notify_reply(struct smb_request *req,
1597 NTSTATUS error_code,
1598 uint8_t *buf, size_t len)
1599 {
1600 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1601 }
1602
1603 static void call_nt_transact_notify_change(connection_struct *conn,
1604 struct smb_request *req,
1605 uint16 **ppsetup,
1606 uint32 setup_count,
1607 char **ppparams,
1608 uint32 parameter_count,
1609 char **ppdata, uint32 data_count,
1610 uint32 max_data_count,
1611 uint32 max_param_count)
1612 {
1613 uint16 *setup = *ppsetup;
1614 files_struct *fsp;
1615 uint32 filter;
1616 NTSTATUS status;
1617 bool recursive;
1618
1619 if(setup_count < 6) {
1620 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1621 return;
1622 }
1623
1624 fsp = file_fsp(req, SVAL(setup,4));
1625 filter = IVAL(setup, 0);
1626 recursive = (SVAL(setup, 6) != 0) ? True : False;
1627
1628 DEBUG(3,("call_nt_transact_notify_change\n"));
1629
1630 if(!fsp) {
1631 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1632 return;
1633 }
1634
1635 {
1636 char *filter_string;
1637
1638 if (!(filter_string = notify_filter_string(NULL, filter))) {
1639 reply_nterror(req,NT_STATUS_NO_MEMORY);
1640 return;
1641 }
1642
1643 DEBUG(3,("call_nt_transact_notify_change: notify change "
1644 "called on %s, filter = %s, recursive = %d\n",
1645 fsp_str_dbg(fsp), filter_string, recursive));
1646
1647 TALLOC_FREE(filter_string);
1648 }
1649
1650 if((!fsp->is_directory) || (conn != fsp->conn)) {
1651 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1652 return;
1653 }
1654
1655 if (fsp->notify == NULL) {
1656
1657 status = change_notify_create(fsp, filter, recursive);
1658
1659 if (!NT_STATUS_IS_OK(status)) {
1660 DEBUG(10, ("change_notify_create returned %s\n",
1661 nt_errstr(status)));
1662 reply_nterror(req, status);
1663 return;
1664 }
1665 }
1666
1667 if (fsp->notify->num_changes != 0) {
1668
1669 /*
1670 * We've got changes pending, respond immediately
1671 */
1672
1673 /*
1674 * TODO: write a torture test to check the filtering behaviour
1675 * here.
1676 */
1677
1678 change_notify_reply(fsp->conn, req,
1679 NT_STATUS_OK,
1680 max_param_count,
1681 fsp->notify,
1682 smbd_smb1_notify_reply);
1683
1684 /*
1685 * change_notify_reply() above has independently sent its
1686 * results
1687 */
1688 return;
1689 }
1690
1691 /*
1692 * No changes pending, queue the request
1693 */
1694
1695 status = change_notify_add_request(req,
1696 max_param_count,
1697 filter,
1698 recursive, fsp,
1699 smbd_smb1_notify_reply);
1700 if (!NT_STATUS_IS_OK(status)) {
1701 reply_nterror(req, status);
1702 }
1703 return;
1704 }
1705
1706 /****************************************************************************
1707 Reply to an NT transact rename command.
1708 ****************************************************************************/
1709
1710 static void call_nt_transact_rename(connection_struct *conn,
1711 struct smb_request *req,
1712 uint16 **ppsetup, uint32 setup_count,
1713 char **ppparams, uint32 parameter_count,
1714 char **ppdata, uint32 data_count,
1715 uint32 max_data_count)
1716 {
1717 char *params = *ppparams;
1718 char *new_name = NULL;
1719 files_struct *fsp = NULL;
1720 bool dest_has_wcard = False;
1721 NTSTATUS status;
1722 TALLOC_CTX *ctx = talloc_tos();
1723
1724 if(parameter_count < 5) {
1725 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1726 return;
1727 }
1728
1729 fsp = file_fsp(req, SVAL(params, 0));
1730 if (!check_fsp(conn, req, fsp)) {
1731 return;
1732 }
1733 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1734 parameter_count - 4,
1735 STR_TERMINATE, &status, &dest_has_wcard);
1736 if (!NT_STATUS_IS_OK(status)) {
1737 reply_nterror(req, status);
1738 return;
1739 }
1740
1741 /*
1742 * W2K3 ignores this request as the RAW-RENAME test
1743 * demonstrates, so we do.
1744 */
1745 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1746
1747 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1748 fsp_str_dbg(fsp), new_name));
1749
1750 return;
1751 }
1752
1753 /******************************************************************************
1754 Fake up a completely empty SD.
1755 *******************************************************************************/
1756
1757 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1758 {
1759 size_t sd_size;
1760
1761 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1762 if(!*ppsd) {
1763 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1764 return NT_STATUS_NO_MEMORY;
1765 }
1766
1767 return NT_STATUS_OK;
1768 }
1769
1770 /****************************************************************************
1771 Reply to query a security descriptor.
1772 ****************************************************************************/
1773
1774 static void call_nt_transact_query_security_desc(connection_struct *conn,
1775 struct smb_request *req,
1776 uint16 **ppsetup,
1777 uint32 setup_count,
1778 char **ppparams,
1779 uint32 parameter_count,
1780 char **ppdata,
1781 uint32 data_count,
1782 uint32 max_data_count)
1783 {
1784 char *params = *ppparams;
1785 char *data = *ppdata;
1786 SEC_DESC *psd = NULL;
1787 size_t sd_size;
1788 uint32 security_info_wanted;
1789 files_struct *fsp = NULL;
1790 NTSTATUS status;
1791 DATA_BLOB blob;
1792
1793 if(parameter_count < 8) {
1794 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1795 return;
1796 }
1797
1798 fsp = file_fsp(req, SVAL(params,0));
1799 if(!fsp) {
1800 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1801 return;
1802 }
1803
1804 security_info_wanted = IVAL(params,4);
1805
1806 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1807 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1808 (unsigned int)security_info_wanted));
1809
1810 params = nttrans_realloc(ppparams, 4);
1811 if(params == NULL) {
1812 reply_nterror(req, NT_STATUS_NO_MEMORY);
1813 return;
1814 }
1815
1816 /*
1817 * Get the permissions to return.
1818 */
1819
1820 if (!lp_nt_acl_support(SNUM(conn))) {
1821 status = get_null_nt_acl(talloc_tos(), &psd);
1822 } else {
1823 status = SMB_VFS_FGET_NT_ACL(
1824 fsp, security_info_wanted, &psd);
1825 }
1826 if (!NT_STATUS_IS_OK(status)) {
1827 reply_nterror(req, status);
1828 return;
1829 }
1830
1831 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1832 * present in the reply to match Windows behavior */
1833 if (psd->sacl == NULL &&
1834 security_info_wanted & SACL_SECURITY_INFORMATION)
1835 psd->type |= SEC_DESC_SACL_PRESENT;
1836 if (psd->dacl == NULL &&
1837 security_info_wanted & DACL_SECURITY_INFORMATION)
1838 psd->type |= SEC_DESC_DACL_PRESENT;
1839
1840 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1841
1842 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1843
1844 if (DEBUGLEVEL >= 10) {
1845 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1846 fsp_str_dbg(fsp)));
1847 NDR_PRINT_DEBUG(security_descriptor, psd);
1848 }
1849
1850 SIVAL(params,0,(uint32)sd_size);
1851
1852 if (max_data_count < sd_size) {
1853 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1854 params, 4, *ppdata, 0);
1855 return;
1856 }
1857
1858 /*
1859 * Allocate the data we will point this at.
1860 */
1861
1862 data = nttrans_realloc(ppdata, sd_size);
1863 if(data == NULL) {
1864 reply_nterror(req, NT_STATUS_NO_MEMORY);
1865 return;
1866 }
1867
1868 status = marshall_sec_desc(talloc_tos(), psd,
1869 &blob.data, &blob.length);
1870
1871 if (!NT_STATUS_IS_OK(status)) {
1872 reply_nterror(req, status);
1873 return;
1874 }
1875
1876 SMB_ASSERT(sd_size == blob.length);
1877 memcpy(data, blob.data, sd_size);
1878
1879 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1880
1881 return;
1882 }
1883
1884 /****************************************************************************
1885 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1886 ****************************************************************************/
1887
1888 static void call_nt_transact_set_security_desc(connection_struct *conn,
1889 struct smb_request *req,
1890 uint16 **ppsetup,
1891 uint32 setup_count,
1892 char **ppparams,
1893 uint32 parameter_count,
1894 char **ppdata,
1895 uint32 data_count,
1896 uint32 max_data_count)
1897 {
1898 char *params= *ppparams;
1899 char *data = *ppdata;
1900 files_struct *fsp = NULL;
1901 uint32 security_info_sent = 0;
1902 NTSTATUS status;
1903
1904 if(parameter_count < 8) {
1905 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1906 return;
1907 }
1908
1909 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1910 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1911 return;
1912 }
1913
1914 if(!lp_nt_acl_support(SNUM(conn))) {
1915 goto done;
1916 }
1917
1918 security_info_sent = IVAL(params,4);
1919
1920 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1921 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1922
1923 if (data_count == 0) {
1924 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1925 return;
1926 }
1927
1928 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1929
1930 if (!NT_STATUS_IS_OK(status)) {
1931 reply_nterror(req, status);
1932 return;
1933 }
1934
1935 done:
1936 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1937 return;
1938 }
1939
1940 /****************************************************************************
1941 Reply to NT IOCTL
1942 ****************************************************************************/
1943
1944 static void call_nt_transact_ioctl(connection_struct *conn,
1945 struct smb_request *req,
1946 uint16 **ppsetup, uint32 setup_count,
1947 char **ppparams, uint32 parameter_count,
1948 char **ppdata, uint32 data_count,
1949 uint32 max_data_count)
1950 {
1951 uint32 function;
1952 uint16 fidnum;
1953 files_struct *fsp;
1954 uint8 isFSctl;
1955 uint8 compfilter;
1956 char *pdata = *ppdata;
1957
1958 if (setup_count != 8) {
1959 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1960 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1961 return;
1962 }
1963
1964 function = IVAL(*ppsetup, 0);
1965 fidnum = SVAL(*ppsetup, 4);
1966 isFSctl = CVAL(*ppsetup, 6);
1967 compfilter = CVAL(*ppsetup, 7);
1968
1969 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1970 function, fidnum, isFSctl, compfilter));
1971
1972 fsp=file_fsp(req, fidnum);
1973 /* this check is done in each implemented function case for now
1974 because I don't want to break anything... --metze
1975 FSP_BELONGS_CONN(fsp,conn);*/
1976
1977 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1978
1979 switch (function) {
1980 case FSCTL_SET_SPARSE:
1981 /* pretend this succeeded - tho strictly we should
1982 mark the file sparse (if the local fs supports it)
1983 so we can know if we need to pre-allocate or not */
1984
1985 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1986 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1987 return;
1988
1989 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1990 {
1991 unsigned char objid[16];
1992
1993 /* This should return the object-id on this file.
1994 * I think I'll make this be the inode+dev. JRA.
1995 */
1996
1997 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1998
1999 if (!fsp_belongs_conn(conn, req, fsp)) {
2000 return;
2001 }
2002
2003 data_count = 64;
2004 pdata = nttrans_realloc(ppdata, data_count);
2005 if (pdata == NULL) {
2006 reply_nterror(req, NT_STATUS_NO_MEMORY);
2007 return;
2008 }
2009
2010 /* For backwards compatibility only store the dev/inode. */
2011 push_file_id_16(pdata, &fsp->file_id);
2012 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2013 push_file_id_16(pdata+32, &fsp->file_id);
2014 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2015 pdata, data_count);
2016 return;
2017 }
2018
2019 case FSCTL_GET_REPARSE_POINT:
2020 /* pretend this fail - my winXP does it like this
2021 * --metze
2022 */
2023
2024 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2025 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2026 return;
2027
2028 case FSCTL_SET_REPARSE_POINT:
2029 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2030 * --metze
2031 */
2032
2033 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2034 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2035 return;
2036
2037 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2038 {
2039 /*
2040 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2041 * and return their volume names. If max_data_count is 16, then it is just
2042 * asking for the number of volumes and length of the combined names.
2043 *
2044 * pdata is the data allocated by our caller, but that uses
2045 * total_data_count (which is 0 in our case) rather than max_data_count.
2046 * Allocate the correct amount and return the pointer to let
2047 * it be deallocated when we return.
2048 */
2049 SHADOW_COPY_DATA *shadow_data = NULL;
2050 TALLOC_CTX *shadow_mem_ctx = NULL;
2051 bool labels = False;
2052 uint32 labels_data_count = 0;
2053 uint32 i;
2054 char *cur_pdata;
2055
2056 if (!fsp_belongs_conn(conn, req, fsp)) {
2057 return;
2058 }
2059
2060 if (max_data_count < 16) {
2061 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2062 max_data_count));
2063 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2064 return;
2065 }
2066
2067 if (max_data_count > 16) {
2068 labels = True;
2069 }
2070
2071 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2072 if (shadow_mem_ctx == NULL) {
2073 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2074 reply_nterror(req, NT_STATUS_NO_MEMORY);
2075 return;
2076 }
2077
2078 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2079 if (shadow_data == NULL) {
2080 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2081 talloc_destroy(shadow_mem_ctx);
2082 reply_nterror(req, NT_STATUS_NO_MEMORY);
2083 return;
2084 }
2085
2086 shadow_data->mem_ctx = shadow_mem_ctx;
2087
2088 /*
2089 * Call the VFS routine to actually do the work.
2090 */
2091 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2092 talloc_destroy(shadow_data->mem_ctx);
2093 if (errno == ENOSYS) {
2094 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2095 conn->connectpath));
2096 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2097 return;
2098 } else {
2099 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2100 conn->connectpath));
2101 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2102 return;
2103 }
2104 }
2105
2106 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2107
2108 if (!labels) {
2109 data_count = 16;
2110 } else {
2111 data_count = 12+labels_data_count+4;
2112 }
2113
2114 if (max_data_count<data_count) {
2115 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2116 max_data_count,data_count));
2117 talloc_destroy(shadow_data->mem_ctx);
2118 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2119 return;
2120 }
2121
2122 pdata = nttrans_realloc(ppdata, data_count);
2123 if (pdata == NULL) {
2124 talloc_destroy(shadow_data->mem_ctx);
2125 reply_nterror(req, NT_STATUS_NO_MEMORY);
2126 return;
2127 }
2128
2129 cur_pdata = pdata;
2130
2131 /* num_volumes 4 bytes */
2132 SIVAL(pdata,0,shadow_data->num_volumes);
2133
2134 if (labels) {
2135 /* num_labels 4 bytes */
2136 SIVAL(pdata,4,shadow_data->num_volumes);
2137 }
2138
2139 /* needed_data_count 4 bytes */
2140 SIVAL(pdata, 8, labels_data_count+4);
2141
2142 cur_pdata+=12;
2143
2144 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2145 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2146 if (labels && shadow_data->labels) {
2147 for (i=0;i<shadow_data->num_volumes;i++) {
2148 srvstr_push(pdata, req->flags2,
2149 cur_pdata, shadow_data->labels[i],
2150 2*sizeof(SHADOW_COPY_LABEL),
2151 STR_UNICODE|STR_TERMINATE);
2152 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2153 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2154 }
2155 }
2156
2157 talloc_destroy(shadow_data->mem_ctx);
2158
2159 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2160 pdata, data_count);
2161
2162 return;
2163 }
2164
2165 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2166 {
2167 /* pretend this succeeded -
2168 *
2169 * we have to send back a list with all files owned by this SID
2170 *
2171 * but I have to check that --metze
2172 */
2173 DOM_SID sid;
2174 uid_t uid;
2175 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2176
2177 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2178
2179 if (!fsp_belongs_conn(conn, req, fsp)) {
2180 return;
2181 }
2182
2183 /* unknown 4 bytes: this is not the length of the sid :-( */
2184 /*unknown = IVAL(pdata,0);*/
2185
2186 sid_parse(pdata+4,sid_len,&sid);
2187 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2188
2189 if (!sid_to_uid(&sid, &uid)) {
2190 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2191 sid_string_dbg(&sid),
2192 (unsigned long)sid_len));
2193 uid = (-1);
2194 }
2195
2196 /* we can take a look at the find source :-)
2197 *
2198 * find ./ -uid $uid -name '*' is what we need here
2199 *
2200 *
2201 * and send 4bytes len and then NULL terminated unicode strings
2202 * for each file
2203 *
2204 * but I don't know how to deal with the paged results
2205 * (maybe we can hang the result anywhere in the fsp struct)
2206 *
2207 * we don't send all files at once
2208 * and at the next we should *not* start from the beginning,
2209 * so we have to cache the result
2210 *
2211 * --metze
2212 */
2213
2214 /* this works for now... */
2215 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2216 return;
2217 }
2218 case FSCTL_QUERY_ALLOCATED_RANGES:
2219 {
2220 /* FIXME: This is just a dummy reply, telling that all of the
2221 * file is allocated. MKS cp needs that.
2222 * Adding the real allocated ranges via FIEMAP on Linux
2223 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2224 * this FSCTL correct for sparse files.
2225 */
2226 NTSTATUS status;
2227 uint64_t offset, length;
2228
2229 if (!fsp_belongs_conn(conn, req, fsp)) {
2230 return;
2231 }
2232
2233 if (data_count != 16) {
2234 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2235 data_count));
2236 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2237 return;
2238 }
2239
2240 if (max_data_count < 16) {
2241 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2242 max_data_count));
2243 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2244 return;
2245 }
2246
2247 offset = BVAL(pdata,0);
2248 length = BVAL(pdata,8);
2249
2250 if (offset + length < offset) {
2251 /* No 64-bit integer wrap. */
2252 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2253 return;
2254 }
2255
2256 status = vfs_stat_fsp(fsp);
2257 if (!NT_STATUS_IS_OK(status)) {
2258 reply_nterror(req, status);
2259 return;
2260 }
2261
2262 if (offset > fsp->fsp_name->st.st_ex_size ||
2263 fsp->fsp_name->st.st_ex_size == 0 ||
2264 length == 0) {
2265 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2266 } else {
2267 uint64_t end = offset + length;
2268 end = MIN(end, fsp->fsp_name->st.st_ex_size);
2269 SBVAL(pdata,0,0);
2270 SBVAL(pdata,8,end);
2271 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2272 pdata, 16);
2273 }
2274 return;
2275 }
2276 default:
2277 if (!logged_ioctl_message) {
2278 logged_ioctl_message = true; /* Only print this once... */
2279 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2280 function));
2281 }
2282 }
2283
2284 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2285 }
2286
2287
2288 #ifdef HAVE_SYS_QUOTAS
2289 /****************************************************************************
2290 Reply to get user quota
2291 ****************************************************************************/
2292
2293 static void call_nt_transact_get_user_quota(connection_struct *conn,
2294 struct smb_request *req,
2295 uint16 **ppsetup,
2296 uint32 setup_count,
2297 char **ppparams,
2298 uint32 parameter_count,
2299 char **ppdata,
2300 uint32 data_count,
2301 uint32 max_data_count)
2302 {
2303 NTSTATUS nt_status = NT_STATUS_OK;
2304 char *params = *ppparams;
2305 char *pdata = *ppdata;
2306 char *entry;
2307 int data_len=0,param_len=0;
2308 int qt_len=0;
2309 int entry_len = 0;
2310 files_struct *fsp = NULL;
2311 uint16 level = 0;
2312 size_t sid_len;
2313 DOM_SID sid;
2314 bool start_enum = True;
2315 SMB_NTQUOTA_STRUCT qt;
2316 SMB_NTQUOTA_LIST *tmp_list;
2317 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2318
2319 ZERO_STRUCT(qt);
2320
2321 /* access check */
2322 if (conn->server_info->utok.uid != 0) {
2323 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2324 "[%s]\n", lp_servicename(SNUM(conn)),
2325 conn->server_info->unix_name));
2326 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2327 return;
2328 }
2329
2330 /*
2331 * Ensure minimum number of parameters sent.
2332 */
2333
2334 if (parameter_count < 4) {
2335 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2336 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2337 return;
2338 }
2339
2340 /* maybe we can check the quota_fnum */
2341 fsp = file_fsp(req, SVAL(params,0));
2342 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2343 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2344 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2345 return;
2346 }
2347
2348 /* the NULL pointer checking for fsp->fake_file_handle->pd
2349 * is done by CHECK_NTQUOTA_HANDLE_OK()
2350 */
2351 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2352
2353 level = SVAL(params,2);
2354
2355 /* unknown 12 bytes leading in params */
2356
2357 switch (level) {
2358 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2359 /* seems that we should continue with the enum here --metze */
2360
2361 if (qt_handle->quota_list!=NULL &&
2362 qt_handle->tmp_list==NULL) {
2363
2364 /* free the list */
2365 free_ntquota_list(&(qt_handle->quota_list));
2366
2367 /* Realloc the size of parameters and data we will return */
2368 param_len = 4;
2369 params = nttrans_realloc(ppparams, param_len);
2370 if(params == NULL) {
2371 reply_nterror(req, NT_STATUS_NO_MEMORY);
2372 return;
2373 }
2374
2375 data_len = 0;
2376 SIVAL(params,0,data_len);
2377
2378 break;
2379 }
2380
2381 start_enum = False;
2382
2383 case TRANSACT_GET_USER_QUOTA_LIST_START:
2384
2385 if (qt_handle->quota_list==NULL &&
2386 qt_handle->tmp_list==NULL) {
2387 start_enum = True;
2388 }
2389
2390 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2391 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2392 return;
2393 }
2394
2395 /* Realloc the size of parameters and data we will return */
2396 param_len = 4;
2397 params = nttrans_realloc(ppparams, param_len);
2398 if(params == NULL) {
2399 reply_nterror(req, NT_STATUS_NO_MEMORY);
2400 return;
2401 }
2402
2403 /* we should not trust the value in max_data_count*/
2404 max_data_count = MIN(max_data_count,2048);
2405
2406 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2407 if(pdata == NULL) {
2408 reply_nterror(req, NT_STATUS_NO_MEMORY);
2409 return;
2410 }
2411
2412 entry = pdata;
2413
2414 /* set params Size of returned Quota Data 4 bytes*/
2415 /* but set it later when we know it */
2416
2417 /* for each entry push the data */
2418
2419 if (start_enum) {
2420 qt_handle->tmp_list = qt_handle->quota_list;
2421 }
2422
2423 tmp_list = qt_handle->tmp_list;
2424
2425 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2426 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2427
2428 sid_len = ndr_size_dom_sid(
2429 &tmp_list->quotas->sid, NULL, 0);
2430 entry_len = 40 + sid_len;
2431
2432 /* nextoffset entry 4 bytes */
2433 SIVAL(entry,0,entry_len);
2434
2435 /* then the len of the SID 4 bytes */
2436 SIVAL(entry,4,sid_len);
2437
2438 /* unknown data 8 bytes uint64_t */
2439 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2440
2441 /* the used disk space 8 bytes uint64_t */
2442 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2443
2444 /* the soft quotas 8 bytes uint64_t */
2445 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2446
2447 /* the hard quotas 8 bytes uint64_t */
2448 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2449
2450 /* and now the SID */
2451 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2452 }
2453
2454 qt_handle->tmp_list = tmp_list;
2455
2456 /* overwrite the offset of the last entry */
2457 SIVAL(entry-entry_len,0,0);
2458
2459 data_len = 4+qt_len;
2460 /* overwrite the params quota_data_len */
2461 SIVAL(params,0,data_len);
2462
2463 break;
2464
2465 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2466
2467 /* unknown 4 bytes IVAL(pdata,0) */
2468
2469 if (data_count < 8) {
2470 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2471 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2472 return;
2473 }
2474
2475 sid_len = IVAL(pdata,4);
2476 /* Ensure this is less than 1mb. */
2477 if (sid_len > (1024*1024)) {
2478 reply_nterror(req, NT_STATUS_NO_MEMORY);
2479 return;
2480 }
2481
2482 if (data_count < 8+sid_len) {
2483 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2484 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2485 return;
2486 }
2487
2488 data_len = 4+40+sid_len;
2489
2490 if (max_data_count < data_len) {
2491 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2492 max_data_count, data_len));
2493 param_len = 4;
2494 SIVAL(params,0,data_len);
2495 data_len = 0;
2496 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2497 break;
2498 }
2499
2500 sid_parse(pdata+8,sid_len,&sid);
2501
2502 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2503 ZERO_STRUCT(qt);
2504 /*
2505 * we have to return zero's in all fields
2506 * instead of returning an error here
2507 * --metze
2508 */
2509 }
2510
2511 /* Realloc the size of parameters and data we will return */
2512 param_len = 4;
2513 params = nttrans_realloc(ppparams, param_len);
2514 if(params == NULL) {
2515 reply_nterror(req, NT_STATUS_NO_MEMORY);
2516 return;
2517 }
2518
2519 pdata = nttrans_realloc(ppdata, data_len);
2520 if(pdata == NULL) {
2521 reply_nterror(req, NT_STATUS_NO_MEMORY);
2522 return;
2523 }
2524
2525 entry = pdata;
2526
2527 /* set params Size of returned Quota Data 4 bytes*/
2528 SIVAL(params,0,data_len);
2529
2530 /* nextoffset entry 4 bytes */
2531 SIVAL(entry,0,0);
2532
2533 /* then the len of the SID 4 bytes */
2534 SIVAL(entry,4,sid_len);
2535
2536 /* unknown data 8 bytes uint64_t */
2537 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2538
2539 /* the used disk space 8 bytes uint64_t */
2540 SBIG_UINT(entry,16,qt.usedspace);
2541
2542 /* the soft quotas 8 bytes uint64_t */
2543 SBIG_UINT(entry,24,qt.softlim);
2544
2545 /* the hard quotas 8 bytes uint64_t */
2546 SBIG_UINT(entry,32,qt.hardlim);
2547
2548 /* and now the SID */
2549 sid_linearize(entry+40, sid_len, &sid);
2550
2551 break;
2552
2553 default:
2554 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2555 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2556 return;
2557 break;
2558 }
2559
2560 send_nt_replies(conn, req, nt_status, params, param_len,
2561 pdata, data_len);
2562 }
2563
2564 /****************************************************************************
2565 Reply to set user quota
2566 ****************************************************************************/
2567
2568 static void call_nt_transact_set_user_quota(connection_struct *conn,
2569 struct smb_request *req,
2570 uint16 **ppsetup,
2571 uint32 setup_count,
2572 char **ppparams,
2573 uint32 parameter_count,
2574 char **ppdata,
2575 uint32 data_count,
2576 uint32 max_data_count)
2577 {
2578 char *params = *ppparams;
2579 char *pdata = *ppdata;
2580 int data_len=0,param_len=0;
2581 SMB_NTQUOTA_STRUCT qt;
2582 size_t sid_len;
2583 DOM_SID sid;
2584 files_struct *fsp = NULL;
2585
2586 ZERO_STRUCT(qt);
2587
2588 /* access check */
2589 if (conn->server_info->utok.uid != 0) {
2590 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2591 "[%s]\n", lp_servicename(SNUM(conn)),
2592 conn->server_info->unix_name));
2593 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2594 return;
2595 }
2596
2597 /*
2598 * Ensure minimum number of parameters sent.
2599 */
2600
2601 if (parameter_count < 2) {
2602 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2603 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2604 return;
2605 }
2606
2607 /* maybe we can check the quota_fnum */
2608 fsp = file_fsp(req, SVAL(params,0));
2609 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2610 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2611 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2612 return;
2613 }
2614
2615 if (data_count < 40) {
2616 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2617 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2618 return;
2619 }
2620
2621 /* offset to next quota record.
2622 * 4 bytes IVAL(pdata,0)
2623 * unused here...
2624 */
2625
2626 /* sid len */
2627 sid_len = IVAL(pdata,4);
2628
2629 if (data_count < 40+sid_len) {
2630 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2631 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2632 return;
2633 }
2634
2635 /* unknown 8 bytes in pdata
2636 * maybe its the change time in NTTIME
2637 */
2638
2639 /* the used space 8 bytes (uint64_t)*/
2640 qt.usedspace = (uint64_t)IVAL(pdata,16);
2641 #ifdef LARGE_SMB_OFF_T
2642 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2643 #else /* LARGE_SMB_OFF_T */
2644 if ((IVAL(pdata,20) != 0)&&
2645 ((qt.usedspace != 0xFFFFFFFF)||
2646 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2647 /* more than 32 bits? */
2648 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2649 return;
2650 }
2651 #endif /* LARGE_SMB_OFF_T */
2652
2653 /* the soft quotas 8 bytes (uint64_t)*/
2654 qt.softlim = (uint64_t)IVAL(pdata,24);
2655 #ifdef LARGE_SMB_OFF_T
2656 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2657 #else /* LARGE_SMB_OFF_T */
2658 if ((IVAL(pdata,28) != 0)&&
2659 ((qt.softlim != 0xFFFFFFFF)||
2660 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2661 /* more than 32 bits? */
2662 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2663 return;
2664 }
2665 #endif /* LARGE_SMB_OFF_T */
2666
2667 /* the hard quotas 8 bytes (uint64_t)*/
2668 qt.hardlim = (uint64_t)IVAL(pdata,32);
2669 #ifdef LARGE_SMB_OFF_T
2670 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2671 #else /* LARGE_SMB_OFF_T */
2672 if ((IVAL(pdata,36) != 0)&&
2673 ((qt.hardlim != 0xFFFFFFFF)||
2674 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2675 /* more than 32 bits? */
2676 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2677 return;
2678 }
2679 #endif /* LARGE_SMB_OFF_T */
2680
2681 sid_parse(pdata+40,sid_len,&sid);
2682 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2683
2684 /* 44 unknown bytes left... */
2685
2686 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2687 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2688 return;
2689 }
2690
2691 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2692 pdata, data_len);
2693 }
2694 #endif /* HAVE_SYS_QUOTAS */
2695
2696 static void handle_nttrans(connection_struct *conn,
2697 struct trans_state *state,
2698 struct smb_request *req)
2699 {
2700 if (get_Protocol() >= PROTOCOL_NT1) {
2701 req->flags2 |= 0x40; /* IS_LONG_NAME */
2702 SSVAL(req->inbuf,smb_flg2,req->flags2);
2703 }
2704
2705
2706 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2707
2708 /* Now we must call the relevant NT_TRANS function */
2709 switch(state->call) {
2710 case NT_TRANSACT_CREATE:
2711 {
2712 START_PROFILE(NT_transact_create);
2713 call_nt_transact_create(
2714 conn, req,
2715 &state->setup, state->setup_count,
2716 &state->param, state->total_param,
2717 &state->data, state->total_data,
2718 state->max_data_return);
2719 END_PROFILE(NT_transact_create);
2720 break;
2721 }
2722
2723 case NT_TRANSACT_IOCTL:
2724 {
2725 START_PROFILE(NT_transact_ioctl);
2726 call_nt_transact_ioctl(
2727 conn, req,
2728 &state->setup, state->setup_count,
2729 &state->param, state->total_param,
2730 &state->data, state->total_data,
2731 state->max_data_return);
2732 END_PROFILE(NT_transact_ioctl);
2733 break;
2734 }
2735
2736 case NT_TRANSACT_SET_SECURITY_DESC:
2737 {
2738 START_PROFILE(NT_transact_set_security_desc);
2739 call_nt_transact_set_security_desc(
2740 conn, req,
2741 &state->setup, state->setup_count,
2742 &state->param, state->total_param,
2743 &state->data, state->total_data,
2744 state->max_data_return);
2745 END_PROFILE(NT_transact_set_security_desc);
2746 break;
2747 }
2748
2749 case NT_TRANSACT_NOTIFY_CHANGE:
2750 {
2751 START_PROFILE(NT_transact_notify_change);
2752 call_nt_transact_notify_change(
2753 conn, req,
2754 &state->setup, state->setup_count,
2755 &state->param, state->total_param,
2756 &state->data, state->total_data,
2757 state->max_data_return,
2758 state->max_param_return);
2759 END_PROFILE(NT_transact_notify_change);
2760 break;
2761 }
2762
2763 case NT_TRANSACT_RENAME:
2764 {
2765 START_PROFILE(NT_transact_rename);
2766 call_nt_transact_rename(
2767 conn, req,
2768 &state->setup, state->setup_count,
2769 &state->param, state->total_param,
2770 &state->data, state->total_data,
2771 state->max_data_return);
2772 END_PROFILE(NT_transact_rename);
2773 break;
2774 }
2775
2776 case NT_TRANSACT_QUERY_SECURITY_DESC:
2777 {
2778 START_PROFILE(NT_transact_query_security_desc);
2779 call_nt_transact_query_security_desc(
2780 conn, req,
2781 &state->setup, state->setup_count,
2782 &state->param, state->total_param,
2783 &state->data, state->total_data,
2784 state->max_data_return);
2785 END_PROFILE(NT_transact_query_security_desc);
2786 break;
2787 }
2788
2789 #ifdef HAVE_SYS_QUOTAS
2790 case NT_TRANSACT_GET_USER_QUOTA:
2791 {
2792 START_PROFILE(NT_transact_get_user_quota);
2793 call_nt_transact_get_user_quota(
2794 conn, req,
2795 &state->setup, state->setup_count,
2796 &state->param, state->total_param,
2797 &state->data, state->total_data,
2798 state->max_data_return);
2799 END_PROFILE(NT_transact_get_user_quota);
2800 break;
2801 }
2802
2803 case NT_TRANSACT_SET_USER_QUOTA:
2804 {
2805 START_PROFILE(NT_transact_set_user_quota);
2806 call_nt_transact_set_user_quota(
2807 conn, req,
2808 &state->setup, state->setup_count,
2809 &state->param, state->total_param,
2810 &state->data, state->total_data,
2811 state->max_data_return);
2812 END_PROFILE(NT_transact_set_user_quota);
2813 break;
2814 }
2815 #endif /* HAVE_SYS_QUOTAS */
2816
2817 default:
2818 /* Error in request */
2819 DEBUG(0,("handle_nttrans: Unknown request %d in "
2820 "nttrans call\n", state->call));
2821 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2822 return;
2823 }
2824 return;
2825 }
2826
2827 /****************************************************************************
2828 Reply to a SMBNTtrans.
2829 ****************************************************************************/
2830
2831 void reply_nttrans(struct smb_request *req)
2832 {
2833 connection_struct *conn = req->conn;
2834 uint32_t pscnt;
2835 uint32_t psoff;
2836 uint32_t dscnt;
2837 uint32_t dsoff;
2838 uint16 function_code;
2839 NTSTATUS result;
2840 struct trans_state *state;
2841
2842 START_PROFILE(SMBnttrans);
2843
2844 if (req->wct < 19) {
2845 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2846 END_PROFILE(SMBnttrans);
2847 return;
2848 }
2849
2850 pscnt = IVAL(req->vwv+9, 1);
2851 psoff = IVAL(req->vwv+11, 1);
2852 dscnt = IVAL(req->vwv+13, 1);
2853 dsoff = IVAL(req->vwv+15, 1);
2854 function_code = SVAL(req->vwv+18, 0);
2855
2856 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2857 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2858 END_PROFILE(SMBnttrans);
2859 return;
2860 }
2861
2862 result = allow_new_trans(conn->pending_trans, req->mid);
2863 if (!NT_STATUS_IS_OK(result)) {
2864 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2865 reply_nterror(req, result);
2866 END_PROFILE(SMBnttrans);
2867 return;
2868 }
2869
2870 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2871 reply_nterror(req, NT_STATUS_NO_MEMORY);
2872 END_PROFILE(SMBnttrans);
2873 return;
2874 }
2875
2876 state->cmd = SMBnttrans;
2877
2878 state->mid = req->mid;
2879 state->vuid = req->vuid;
2880 state->total_data = IVAL(req->vwv+3, 1);
2881 state->data = NULL;
2882 state->total_param = IVAL(req->vwv+1, 1);
2883 state->param = NULL;
2884 state->max_data_return = IVAL(req->vwv+7, 1);
2885 state->max_param_return = IVAL(req->vwv+5, 1);
2886
2887 /* setup count is in *words* */
2888 state->setup_count = 2*CVAL(req->vwv+17, 1);
2889 state->setup = NULL;
2890 state->call = function_code;
2891
2892 DEBUG(10, ("num_setup=%u, "
2893 "param_total=%u, this_param=%u, max_param=%u, "
2894 "data_total=%u, this_data=%u, max_data=%u, "
2895 "param_offset=%u, data_offset=%u\n",
2896 (unsigned)state->setup_count,
2897 (unsigned)state->total_param, (unsigned)pscnt,
2898 (unsigned)state->max_param_return,
2899 (unsigned)state->total_data, (unsigned)dscnt,
2900 (unsigned)state->max_data_return,
2901 (unsigned)psoff, (unsigned)dsoff));
2902
2903 /*
2904 * All nttrans messages we handle have smb_wct == 19 +
2905 * state->setup_count. Ensure this is so as a sanity check.
2906 */
2907
2908 if(req->wct != 19 + (state->setup_count/2)) {
2909 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2910 req->wct, 19 + (state->setup_count/2)));
2911 goto bad_param;
2912 }
2913
2914 /* Don't allow more than 128mb for each value. */
2915 if ((state->total_data > (1024*1024*128)) ||
2916 (state->total_param > (1024*1024*128))) {
2917 reply_nterror(req, NT_STATUS_NO_MEMORY);
2918 END_PROFILE(SMBnttrans);
2919 return;
2920 }
2921
2922 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2923 goto bad_param;
2924
2925 if (state->total_data) {
2926
2927 if (trans_oob(state->total_data, 0, dscnt)
2928 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2929 goto bad_param;
2930 }
2931
2932 /* Can't use talloc here, the core routines do realloc on the
2933 * params and data. */
2934 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2935 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2936 "bytes !\n", (unsigned int)state->total_data));
2937 TALLOC_FREE(state);
2938 reply_nterror(req, NT_STATUS_NO_MEMORY);
2939 END_PROFILE(SMBnttrans);
2940 return;
2941 }
2942
2943 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2944 }
2945
2946 if (state->total_param) {
2947
2948 if (trans_oob(state->total_param, 0, pscnt)
2949 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2950 goto bad_param;
2951 }
2952
2953 /* Can't use talloc here, the core routines do realloc on the
2954 * params and data. */
2955 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2956 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2957 "bytes !\n", (unsigned int)state->total_param));
2958 SAFE_FREE(state->data);
2959 TALLOC_FREE(state);
2960 reply_nterror(req, NT_STATUS_NO_MEMORY);
2961 END_PROFILE(SMBnttrans);
2962 return;
2963 }
2964
2965 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2966 }
2967
2968 state->received_data = dscnt;
2969 state->received_param = pscnt;
2970
2971 if(state->setup_count > 0) {
2972 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2973 state->setup_count));
2974
2975 /*
2976 * No overflow possible here, state->setup_count is an
2977 * unsigned int, being filled by a single byte from
2978 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2979 * below is not necessary, it's here to clarify things. The
2980 * validity of req->vwv and req->wct has been checked in
2981 * init_smb_request already.
2982 */
2983 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2984 goto bad_param;
2985 }
2986
2987 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2988 if (state->setup == NULL) {
2989 DEBUG(0,("reply_nttrans : Out of memory\n"));
2990 SAFE_FREE(state->data);
2991 SAFE_FREE(state->param);
2992 TALLOC_FREE(state);
2993 reply_nterror(req, NT_STATUS_NO_MEMORY);
2994 END_PROFILE(SMBnttrans);
2995 return;
2996 }
2997
2998 memcpy(state->setup, req->vwv+19, state->setup_count);
2999 dump_data(10, (uint8 *)state->setup, state->setup_count);
3000 }
3001
3002 if ((state->received_data == state->total_data) &&
3003 (state->received_param == state->total_param)) {
3004 handle_nttrans(conn, state, req);
3005 SAFE_FREE(state->param);
3006 SAFE_FREE(state->data);
3007 TALLOC_FREE(state);
3008 END_PROFILE(SMBnttrans);
3009 return;
3010 }
3011
3012 DLIST_ADD(conn->pending_trans, state);
3013
3014 /* We need to send an interim response then receive the rest
3015 of the parameter/data bytes */
3016 reply_outbuf(req, 0, 0);
3017 show_msg((char *)req->outbuf);
3018 END_PROFILE(SMBnttrans);
3019 return;
3020
3021 bad_param:
3022
3023 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3024 SAFE_FREE(state->data);
3025 SAFE_FREE(state->param);
3026 TALLOC_FREE(state);
3027 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3028 END_PROFILE(SMBnttrans);
3029 return;
3030 }
3031
3032 /****************************************************************************
3033 Reply to a SMBnttranss
3034 ****************************************************************************/
3035
3036 void reply_nttranss(struct smb_request *req)
3037 {
3038 connection_struct *conn = req->conn;
3039 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3040 struct trans_state *state;
3041
3042 START_PROFILE(SMBnttranss);
3043
3044 show_msg((char *)req->inbuf);
3045
3046 if (req->wct < 18) {
3047 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3048 END_PROFILE(SMBnttranss);
3049 return;
3050 }
3051
3052 for (state = conn->pending_trans; state != NULL;
3053 state = state->next) {
3054 if (state->mid == req->mid) {
3055 break;
3056 }
3057 }
3058
3059 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3060 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3061 END_PROFILE(SMBnttranss);
3062 return;
3063 }
3064
3065 /* Revise state->total_param and state->total_data in case they have
3066 changed downwards */
3067 if (IVAL(req->vwv+1, 1) < state->total_param) {
3068 state->total_param = IVAL(req->vwv+1, 1);
3069 }
3070 if (IVAL(req->vwv+3, 1) < state->total_data) {
3071 state->total_data = IVAL(req->vwv+3, 1);
3072 }
3073
3074 pcnt = IVAL(req->vwv+5, 1);
3075 poff = IVAL(req->vwv+7, 1);
3076 pdisp = IVAL(req->vwv+9, 1);
3077
3078 dcnt = IVAL(req->vwv+11, 1);
3079 doff = IVAL(req->vwv+13, 1);
3080 ddisp = IVAL(req->vwv+15, 1);
3081
3082 state->received_param += pcnt;
3083 state->received_data += dcnt;
3084
3085 if ((state->received_data > state->total_data) ||
3086 (state->received_param > state->total_param))
3087 goto bad_param;
3088
3089 if (pcnt) {
3090 if (trans_oob(state->total_param, pdisp, pcnt)
3091 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3092 goto bad_param;
3093 }
3094 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3095 }
3096
3097 if (dcnt) {
3098 if (trans_oob(state->total_data, ddisp, dcnt)
3099 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3100 goto bad_param;
3101 }
3102 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3103 }
3104
3105 if ((state->received_param < state->total_param) ||
3106 (state->received_data < state->total_data)) {
3107 END_PROFILE(SMBnttranss);
3108 return;
3109 }
3110
3111 handle_nttrans(conn, state, req);
3112
3113 DLIST_REMOVE(conn->pending_trans, state);
3114 SAFE_FREE(state->data);
3115 SAFE_FREE(state->param);
3116 TALLOC_FREE(state);
3117 END_PROFILE(SMBnttranss);
3118 return;
3119
3120 bad_param:
3121
3122 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3123 DLIST_REMOVE(conn->pending_trans, state);
3124 SAFE_FREE(state->data);
3125 SAFE_FREE(state->param);
3126 TALLOC_FREE(state);
3127 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3128 END_PROFILE(SMBnttranss);
3129 return;
3130 }