source: trunk/server/source3/smbd/nttrans.c@ 456

Last change on this file since 456 was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 78.3 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22#include "smbd/globals.h"
23
24extern const struct generic_mapping file_generic_mapping;
25
26static char *nttrans_realloc(char **ptr, size_t size)
27{
28 if (ptr==NULL) {
29 smb_panic("nttrans_realloc() called with NULL ptr");
30 }
31
32 *ptr = (char *)SMB_REALLOC(*ptr, size);
33 if(*ptr == NULL) {
34 return NULL;
35 }
36 memset(*ptr,'\0',size);
37 return *ptr;
38}
39
40/****************************************************************************
41 Send the required number of replies back.
42 We assume all fields other than the data fields are
43 set correctly for the type of call.
44 HACK ! Always assumes smb_setup field is zero.
45****************************************************************************/
46
47void send_nt_replies(connection_struct *conn,
48 struct smb_request *req, NTSTATUS nt_error,
49 char *params, int paramsize,
50 char *pdata, int datasize)
51{
52 int data_to_send = datasize;
53 int params_to_send = paramsize;
54 int useable_space;
55 char *pp = params;
56 char *pd = pdata;
57 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
58 int alignment_offset = 3;
59 int data_alignment_offset = 0;
60 struct smbd_server_connection *sconn = smbd_server_conn;
61 int max_send = sconn->smb1.sessions.max_send;
62
63 /*
64 * If there genuinely are no parameters or data to send just send
65 * the empty packet.
66 */
67
68 if(params_to_send == 0 && data_to_send == 0) {
69 reply_outbuf(req, 18, 0);
70 if (NT_STATUS_V(nt_error)) {
71 error_packet_set((char *)req->outbuf,
72 0, 0, nt_error,
73 __LINE__,__FILE__);
74 }
75 show_msg((char *)req->outbuf);
76 if (!srv_send_smb(smbd_server_fd(),
77 (char *)req->outbuf,
78 true, req->seqnum+1,
79 IS_CONN_ENCRYPTED(conn),
80 &req->pcd)) {
81 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
82 }
83 TALLOC_FREE(req->outbuf);
84 return;
85 }
86
87 /*
88 * When sending params and data ensure that both are nicely aligned.
89 * Only do this alignment when there is also data to send - else
90 * can cause NT redirector problems.
91 */
92
93 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
94 data_alignment_offset = 4 - (params_to_send % 4);
95 }
96
97 /*
98 * Space is bufsize minus Netbios over TCP header minus SMB header.
99 * The alignment_offset is to align the param bytes on a four byte
100 * boundary (2 bytes for data len, one byte pad).
101 * NT needs this to work correctly.
102 */
103
104 useable_space = max_send - (smb_size
105 + 2 * 18 /* wct */
106 + alignment_offset
107 + data_alignment_offset);
108
109 if (useable_space < 0) {
110 char *msg = talloc_asprintf(
111 talloc_tos(),
112 "send_nt_replies failed sanity useable_space = %d!!!",
113 useable_space);
114 DEBUG(0, ("%s\n", msg));
115 exit_server_cleanly(msg);
116 }
117
118 while (params_to_send || data_to_send) {
119
120 /*
121 * Calculate whether we will totally or partially fill this packet.
122 */
123
124 total_sent_thistime = params_to_send + data_to_send;
125
126 /*
127 * We can never send more than useable_space.
128 */
129
130 total_sent_thistime = MIN(total_sent_thistime, useable_space);
131
132 reply_outbuf(req, 18,
133 total_sent_thistime + alignment_offset
134 + data_alignment_offset);
135
136 /*
137 * We might have had SMBnttranss in req->inbuf, fix that.
138 */
139 SCVAL(req->outbuf, smb_com, SMBnttrans);
140
141 /*
142 * Set total params and data to be sent.
143 */
144
145 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
146 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
147
148 /*
149 * Calculate how many parameters and data we can fit into
150 * this packet. Parameters get precedence.
151 */
152
153 params_sent_thistime = MIN(params_to_send,useable_space);
154 data_sent_thistime = useable_space - params_sent_thistime;
155 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
156
157 SIVAL(req->outbuf, smb_ntr_ParameterCount,
158 params_sent_thistime);
159
160 if(params_sent_thistime == 0) {
161 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
162 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
163 } else {
164 /*
165 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
166 * parameter bytes, however the first 4 bytes of outbuf are
167 * the Netbios over TCP header. Thus use smb_base() to subtract
168 * them from the calculation.
169 */
170
171 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
172 ((smb_buf(req->outbuf)+alignment_offset)
173 - smb_base(req->outbuf)));
174 /*
175 * Absolute displacement of param bytes sent in this packet.
176 */
177
178 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
179 pp - params);
180 }
181
182 /*
183 * Deal with the data portion.
184 */
185
186 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
187
188 if(data_sent_thistime == 0) {
189 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
190 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
191 } else {
192 /*
193 * The offset of the data bytes is the offset of the
194 * parameter bytes plus the number of parameters being sent this time.
195 */
196
197 SIVAL(req->outbuf, smb_ntr_DataOffset,
198 ((smb_buf(req->outbuf)+alignment_offset) -
199 smb_base(req->outbuf))
200 + params_sent_thistime + data_alignment_offset);
201 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
202 }
203
204 /*
205 * Copy the param bytes into the packet.
206 */
207
208 if(params_sent_thistime) {
209 if (alignment_offset != 0) {
210 memset(smb_buf(req->outbuf), 0,
211 alignment_offset);
212 }
213 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
214 params_sent_thistime);
215 }
216
217 /*
218 * Copy in the data bytes
219 */
220
221 if(data_sent_thistime) {
222 if (data_alignment_offset != 0) {
223 memset((smb_buf(req->outbuf)+alignment_offset+
224 params_sent_thistime), 0,
225 data_alignment_offset);
226 }
227 memcpy(smb_buf(req->outbuf)+alignment_offset
228 +params_sent_thistime+data_alignment_offset,
229 pd,data_sent_thistime);
230 }
231
232 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
233 params_sent_thistime, data_sent_thistime, useable_space));
234 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
235 params_to_send, data_to_send, paramsize, datasize));
236
237 if (NT_STATUS_V(nt_error)) {
238 error_packet_set((char *)req->outbuf,
239 0, 0, nt_error,
240 __LINE__,__FILE__);
241 }
242
243 /* Send the packet */
244 show_msg((char *)req->outbuf);
245 if (!srv_send_smb(smbd_server_fd(),
246 (char *)req->outbuf,
247 true, req->seqnum+1,
248 IS_CONN_ENCRYPTED(conn),
249 &req->pcd)) {
250 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
251 }
252
253 TALLOC_FREE(req->outbuf);
254
255 pp += params_sent_thistime;
256 pd += data_sent_thistime;
257
258 params_to_send -= params_sent_thistime;
259 data_to_send -= data_sent_thistime;
260
261 /*
262 * Sanity check
263 */
264
265 if(params_to_send < 0 || data_to_send < 0) {
266 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
267 params_to_send, data_to_send));
268 exit_server_cleanly("send_nt_replies: internal error");
269 }
270 }
271}
272
273/****************************************************************************
274 Reply to an NT create and X call on a pipe
275****************************************************************************/
276
277static void nt_open_pipe(char *fname, connection_struct *conn,
278 struct smb_request *req, int *ppnum)
279{
280 files_struct *fsp;
281 NTSTATUS status;
282
283 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
284
285 /* Strip \\ off the name. */
286 fname++;
287
288 status = open_np_file(req, fname, &fsp);
289 if (!NT_STATUS_IS_OK(status)) {
290 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
291 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
292 ERRDOS, ERRbadpipe);
293 return;
294 }
295 reply_nterror(req, status);
296 return;
297 }
298
299 *ppnum = fsp->fnum;
300 return;
301}
302
303/****************************************************************************
304 Reply to an NT create and X call for pipes.
305****************************************************************************/
306
307static void do_ntcreate_pipe_open(connection_struct *conn,
308 struct smb_request *req)
309{
310 char *fname = NULL;
311 int pnum = -1;
312 char *p = NULL;
313 uint32 flags = IVAL(req->vwv+3, 1);
314 TALLOC_CTX *ctx = talloc_tos();
315
316 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
317
318 if (!fname) {
319 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
320 ERRDOS, ERRbadpipe);
321 return;
322 }
323 nt_open_pipe(fname, conn, req, &pnum);
324
325 if (req->outbuf) {
326 /* error reply */
327 return;
328 }
329
330 /*
331 * Deal with pipe return.
332 */
333
334 if (flags & EXTENDED_RESPONSE_REQUIRED) {
335 /* This is very strange. We
336 * return 50 words, but only set
337 * the wcnt to 42 ? It's definately
338 * what happens on the wire....
339 */
340 reply_outbuf(req, 50, 0);
341 SCVAL(req->outbuf,smb_wct,42);
342 } else {
343 reply_outbuf(req, 34, 0);
344 }
345
346 p = (char *)req->outbuf + smb_vwv2;
347 p++;
348 SSVAL(p,0,pnum);
349 p += 2;
350 SIVAL(p,0,FILE_WAS_OPENED);
351 p += 4;
352 p += 32;
353 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
354 p += 20;
355 /* File type. */
356 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
357 /* Device state. */
358 SSVAL(p,2, 0x5FF); /* ? */
359 p += 4;
360
361 if (flags & EXTENDED_RESPONSE_REQUIRED) {
362 p += 25;
363 SIVAL(p,0,FILE_GENERIC_ALL);
364 /*
365 * For pipes W2K3 seems to return
366 * 0x12019B next.
367 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
368 */
369 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
370 }
371
372 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
373
374 chain_reply(req);
375}
376
377struct case_semantics_state {
378 connection_struct *conn;
379 bool case_sensitive;
380 bool case_preserve;
381 bool short_case_preserve;
382};
383
384/****************************************************************************
385 Restore case semantics.
386****************************************************************************/
387
388static int restore_case_semantics(struct case_semantics_state *state)
389{
390 state->conn->case_sensitive = state->case_sensitive;
391 state->conn->case_preserve = state->case_preserve;
392 state->conn->short_case_preserve = state->short_case_preserve;
393 return 0;
394}
395
396/****************************************************************************
397 Save case semantics.
398****************************************************************************/
399
400static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
401 connection_struct *conn)
402{
403 struct case_semantics_state *result;
404
405 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
406 return NULL;
407 }
408
409 result->conn = conn;
410 result->case_sensitive = conn->case_sensitive;
411 result->case_preserve = conn->case_preserve;
412 result->short_case_preserve = conn->short_case_preserve;
413
414 /* Set to POSIX. */
415 conn->case_sensitive = True;
416 conn->case_preserve = True;
417 conn->short_case_preserve = True;
418
419 talloc_set_destructor(result, restore_case_semantics);
420
421 return result;
422}
423
424/****************************************************************************
425 Reply to an NT create and X call.
426****************************************************************************/
427
428void reply_ntcreate_and_X(struct smb_request *req)
429{
430 connection_struct *conn = req->conn;
431 struct smb_filename *smb_fname = NULL;
432 char *fname = NULL;
433 uint32 flags;
434 uint32 access_mask;
435 uint32 file_attributes;
436 uint32 share_access;
437 uint32 create_disposition;
438 uint32 create_options;
439 uint16 root_dir_fid;
440 uint64_t allocation_size;
441 /* Breakout the oplock request bits so we can set the
442 reply bits separately. */
443 uint32 fattr=0;
444 SMB_OFF_T file_len = 0;
445 int info = 0;
446 files_struct *fsp = NULL;
447 char *p = NULL;
448 struct timespec create_timespec;
449 struct timespec c_timespec;
450 struct timespec a_timespec;
451 struct timespec m_timespec;
452 struct timespec write_time_ts;
453 NTSTATUS status;
454 int oplock_request;
455 uint8_t oplock_granted = NO_OPLOCK_RETURN;
456 struct case_semantics_state *case_state = NULL;
457 TALLOC_CTX *ctx = talloc_tos();
458
459 START_PROFILE(SMBntcreateX);
460
461 if (req->wct < 24) {
462 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
463 goto out;
464 }
465
466 flags = IVAL(req->vwv+3, 1);
467 access_mask = IVAL(req->vwv+7, 1);
468 file_attributes = IVAL(req->vwv+13, 1);
469 share_access = IVAL(req->vwv+15, 1);
470 create_disposition = IVAL(req->vwv+17, 1);
471 create_options = IVAL(req->vwv+19, 1);
472 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
473
474 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
475#ifdef LARGE_SMB_OFF_T
476 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
477#endif
478
479 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
480 STR_TERMINATE, &status);
481
482 if (!NT_STATUS_IS_OK(status)) {
483 reply_nterror(req, status);
484 goto out;
485 }
486
487 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
488 "file_attributes = 0x%x, share_access = 0x%x, "
489 "create_disposition = 0x%x create_options = 0x%x "
490 "root_dir_fid = 0x%x, fname = %s\n",
491 (unsigned int)flags,
492 (unsigned int)access_mask,
493 (unsigned int)file_attributes,
494 (unsigned int)share_access,
495 (unsigned int)create_disposition,
496 (unsigned int)create_options,
497 (unsigned int)root_dir_fid,
498 fname));
499
500 /*
501 * we need to remove ignored bits when they come directly from the client
502 * because we reuse some of them for internal stuff
503 */
504 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
505
506 /*
507 * If it's an IPC, use the pipe handler.
508 */
509
510 if (IS_IPC(conn)) {
511 if (lp_nt_pipe_support()) {
512 do_ntcreate_pipe_open(conn, req);
513 goto out;
514 }
515 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
516 goto out;
517 }
518
519 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
520 if (oplock_request) {
521 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
522 ? BATCH_OPLOCK : 0;
523 }
524
525 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
526 case_state = set_posix_case_semantics(ctx, conn);
527 if (!case_state) {
528 reply_nterror(req, NT_STATUS_NO_MEMORY);
529 goto out;
530 }
531 }
532
533 status = filename_convert(ctx,
534 conn,
535 req->flags2 & FLAGS2_DFS_PATHNAMES,
536 fname,
537 0,
538 NULL,
539 &smb_fname);
540
541 TALLOC_FREE(case_state);
542
543 if (!NT_STATUS_IS_OK(status)) {
544 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
545 reply_botherror(req,
546 NT_STATUS_PATH_NOT_COVERED,
547 ERRSRV, ERRbadpath);
548 goto out;
549 }
550 reply_nterror(req, status);
551 goto out;
552 }
553
554 /*
555 * Bug #6898 - clients using Windows opens should
556 * never be able to set this attribute into the
557 * VFS.
558 */
559 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
560
561 status = SMB_VFS_CREATE_FILE(
562 conn, /* conn */
563 req, /* req */
564 root_dir_fid, /* root_dir_fid */
565 smb_fname, /* fname */
566 access_mask, /* access_mask */
567 share_access, /* share_access */
568 create_disposition, /* create_disposition*/
569 create_options, /* create_options */
570 file_attributes, /* file_attributes */
571 oplock_request, /* oplock_request */
572 allocation_size, /* allocation_size */
573 NULL, /* sd */
574 NULL, /* ea_list */
575 &fsp, /* result */
576 &info); /* pinfo */
577
578 if (!NT_STATUS_IS_OK(status)) {
579 if (open_was_deferred(req->mid)) {
580 /* We have re-scheduled this call, no error. */
581 goto out;
582 }
583 reply_openerror(req, status);
584 goto out;
585 }
586
587 /* Ensure we're pointing at the correct stat struct. */
588 TALLOC_FREE(smb_fname);
589 smb_fname = fsp->fsp_name;
590
591 /*
592 * If the caller set the extended oplock request bit
593 * and we granted one (by whatever means) - set the
594 * correct bit for extended oplock reply.
595 */
596
597 if (oplock_request &&
598 (lp_fake_oplocks(SNUM(conn))
599 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
600
601 /*
602 * Exclusive oplock granted
603 */
604
605 if (flags & REQUEST_BATCH_OPLOCK) {
606 oplock_granted = BATCH_OPLOCK_RETURN;
607 } else {
608 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
609 }
610 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
611 oplock_granted = LEVEL_II_OPLOCK_RETURN;
612 } else {
613 oplock_granted = NO_OPLOCK_RETURN;
614 }
615
616 file_len = smb_fname->st.st_ex_size;
617
618 if (flags & EXTENDED_RESPONSE_REQUIRED) {
619 /* This is very strange. We
620 * return 50 words, but only set
621 * the wcnt to 42 ? It's definately
622 * what happens on the wire....
623 */
624 reply_outbuf(req, 50, 0);
625 SCVAL(req->outbuf,smb_wct,42);
626 } else {
627 reply_outbuf(req, 34, 0);
628 }
629
630 p = (char *)req->outbuf + smb_vwv2;
631
632 SCVAL(p, 0, oplock_granted);
633
634 p++;
635 SSVAL(p,0,fsp->fnum);
636 p += 2;
637 if ((create_disposition == FILE_SUPERSEDE)
638 && (info == FILE_WAS_OVERWRITTEN)) {
639 SIVAL(p,0,FILE_WAS_SUPERSEDED);
640 } else {
641 SIVAL(p,0,info);
642 }
643 p += 4;
644
645 fattr = dos_mode(conn, smb_fname);
646 if (fattr == 0) {
647 fattr = FILE_ATTRIBUTE_NORMAL;
648 }
649
650 /* Deal with other possible opens having a modified
651 write time. JRA. */
652 ZERO_STRUCT(write_time_ts);
653 get_file_infos(fsp->file_id, NULL, &write_time_ts);
654 if (!null_timespec(write_time_ts)) {
655 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
656 }
657
658 /* Create time. */
659 create_timespec = get_create_timespec(conn, fsp, smb_fname);
660 a_timespec = smb_fname->st.st_ex_atime;
661 m_timespec = smb_fname->st.st_ex_mtime;
662 c_timespec = get_change_timespec(conn, fsp, smb_fname);
663
664 if (lp_dos_filetime_resolution(SNUM(conn))) {
665 dos_filetime_timespec(&create_timespec);
666 dos_filetime_timespec(&a_timespec);
667 dos_filetime_timespec(&m_timespec);
668 dos_filetime_timespec(&c_timespec);
669 }
670
671 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
672 p += 8;
673 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
674 p += 8;
675 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
676 p += 8;
677 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
678 p += 8;
679 SIVAL(p,0,fattr); /* File Attributes. */
680 p += 4;
681 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
682 p += 8;
683 SOFF_T(p,0,file_len);
684 p += 8;
685 if (flags & EXTENDED_RESPONSE_REQUIRED) {
686 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
687 size_t num_names = 0;
688 unsigned int num_streams;
689 struct stream_struct *streams = NULL;
690
691 /* Do we have any EA's ? */
692 status = get_ea_names_from_file(ctx, conn, fsp,
693 smb_fname->base_name, NULL, &num_names);
694 if (NT_STATUS_IS_OK(status) && num_names) {
695 file_status &= ~NO_EAS;
696 }
697 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
698 &num_streams, &streams);
699 /* There is always one stream, ::$DATA. */
700 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
701 file_status &= ~NO_SUBSTREAMS;
702 }
703 TALLOC_FREE(streams);
704 SSVAL(p,2,file_status);
705 }
706 p += 4;
707 SCVAL(p,0,fsp->is_directory ? 1 : 0);
708
709 if (flags & EXTENDED_RESPONSE_REQUIRED) {
710 uint32 perms = 0;
711 p += 25;
712 if (fsp->is_directory ||
713 can_write_to_file(conn, smb_fname)) {
714 perms = FILE_GENERIC_ALL;
715 } else {
716 perms = FILE_GENERIC_READ|FILE_EXECUTE;
717 }
718 SIVAL(p,0,perms);
719 }
720
721 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
722 fsp->fnum, smb_fname_str_dbg(smb_fname)));
723
724 chain_reply(req);
725 out:
726 END_PROFILE(SMBntcreateX);
727 return;
728}
729
730/****************************************************************************
731 Reply to a NT_TRANSACT_CREATE call to open a pipe.
732****************************************************************************/
733
734static void do_nt_transact_create_pipe(connection_struct *conn,
735 struct smb_request *req,
736 uint16 **ppsetup, uint32 setup_count,
737 char **ppparams, uint32 parameter_count,
738 char **ppdata, uint32 data_count)
739{
740 char *fname = NULL;
741 char *params = *ppparams;
742 int pnum = -1;
743 char *p = NULL;
744 NTSTATUS status;
745 size_t param_len;
746 uint32 flags;
747 TALLOC_CTX *ctx = talloc_tos();
748
749 /*
750 * Ensure minimum number of parameters sent.
751 */
752
753 if(parameter_count < 54) {
754 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
755 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
756 return;
757 }
758
759 flags = IVAL(params,0);
760
761 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
762 parameter_count-53, STR_TERMINATE,
763 &status);
764 if (!NT_STATUS_IS_OK(status)) {
765 reply_nterror(req, status);
766 return;
767 }
768
769 nt_open_pipe(fname, conn, req, &pnum);
770
771 if (req->outbuf) {
772 /* Error return */
773 return;
774 }
775
776 /* Realloc the size of parameters and data we will return */
777 if (flags & EXTENDED_RESPONSE_REQUIRED) {
778 /* Extended response is 32 more byyes. */
779 param_len = 101;
780 } else {
781 param_len = 69;
782 }
783 params = nttrans_realloc(ppparams, param_len);
784 if(params == NULL) {
785 reply_nterror(req, NT_STATUS_NO_MEMORY);
786 return;
787 }
788
789 p = params;
790 SCVAL(p,0,NO_OPLOCK_RETURN);
791
792 p += 2;
793 SSVAL(p,0,pnum);
794 p += 2;
795 SIVAL(p,0,FILE_WAS_OPENED);
796 p += 8;
797
798 p += 32;
799 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
800 p += 20;
801 /* File type. */
802 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
803 /* Device state. */
804 SSVAL(p,2, 0x5FF); /* ? */
805 p += 4;
806
807 if (flags & EXTENDED_RESPONSE_REQUIRED) {
808 p += 25;
809 SIVAL(p,0,FILE_GENERIC_ALL);
810 /*
811 * For pipes W2K3 seems to return
812 * 0x12019B next.
813 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
814 */
815 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
816 }
817
818 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
819
820 /* Send the required number of replies */
821 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
822
823 return;
824}
825
826/****************************************************************************
827 Internal fn to set security descriptors.
828****************************************************************************/
829
830static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
831 uint32 security_info_sent)
832{
833 SEC_DESC *psd = NULL;
834 NTSTATUS status;
835
836 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
837 return NT_STATUS_OK;
838 }
839
840 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
841
842 if (!NT_STATUS_IS_OK(status)) {
843 return status;
844 }
845
846 if (psd->owner_sid == NULL) {
847 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
848 }
849 if (psd->group_sid == NULL) {
850 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
851 }
852
853 /* Convert all the generic bits. */
854 security_acl_map_generic(psd->dacl, &file_generic_mapping);
855 security_acl_map_generic(psd->sacl, &file_generic_mapping);
856
857 if (DEBUGLEVEL >= 10) {
858 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
859 NDR_PRINT_DEBUG(security_descriptor, psd);
860 }
861
862 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
863
864 TALLOC_FREE(psd);
865
866 return status;
867}
868
869/****************************************************************************
870 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
871****************************************************************************/
872
873struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
874{
875 struct ea_list *ea_list_head = NULL;
876 size_t offset = 0;
877
878 if (data_size < 4) {
879 return NULL;
880 }
881
882 while (offset + 4 <= data_size) {
883 size_t next_offset = IVAL(pdata,offset);
884 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
885
886 if (!eal) {
887 return NULL;
888 }
889
890 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
891 if (next_offset == 0) {
892 break;
893 }
894 offset += next_offset;
895 }
896
897 return ea_list_head;
898}
899
900/****************************************************************************
901 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
902****************************************************************************/
903
904static void call_nt_transact_create(connection_struct *conn,
905 struct smb_request *req,
906 uint16 **ppsetup, uint32 setup_count,
907 char **ppparams, uint32 parameter_count,
908 char **ppdata, uint32 data_count,
909 uint32 max_data_count)
910{
911 struct smb_filename *smb_fname = NULL;
912 char *fname = NULL;
913 char *params = *ppparams;
914 char *data = *ppdata;
915 /* Breakout the oplock request bits so we can set the reply bits separately. */
916 uint32 fattr=0;
917 SMB_OFF_T file_len = 0;
918 int info = 0;
919 files_struct *fsp = NULL;
920 char *p = NULL;
921 uint32 flags;
922 uint32 access_mask;
923 uint32 file_attributes;
924 uint32 share_access;
925 uint32 create_disposition;
926 uint32 create_options;
927 uint32 sd_len;
928 struct security_descriptor *sd = NULL;
929 uint32 ea_len;
930 uint16 root_dir_fid;
931 struct timespec create_timespec;
932 struct timespec c_timespec;
933 struct timespec a_timespec;
934 struct timespec m_timespec;
935 struct timespec write_time_ts;
936 struct ea_list *ea_list = NULL;
937 NTSTATUS status;
938 size_t param_len;
939 uint64_t allocation_size;
940 int oplock_request;
941 uint8_t oplock_granted;
942 struct case_semantics_state *case_state = NULL;
943 TALLOC_CTX *ctx = talloc_tos();
944
945 DEBUG(5,("call_nt_transact_create\n"));
946
947 /*
948 * If it's an IPC, use the pipe handler.
949 */
950
951 if (IS_IPC(conn)) {
952 if (lp_nt_pipe_support()) {
953 do_nt_transact_create_pipe(
954 conn, req,
955 ppsetup, setup_count,
956 ppparams, parameter_count,
957 ppdata, data_count);
958 goto out;
959 }
960 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
961 goto out;
962 }
963
964 /*
965 * Ensure minimum number of parameters sent.
966 */
967
968 if(parameter_count < 54) {
969 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
970 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
971 goto out;
972 }
973
974 flags = IVAL(params,0);
975 access_mask = IVAL(params,8);
976 file_attributes = IVAL(params,20);
977 share_access = IVAL(params,24);
978 create_disposition = IVAL(params,28);
979 create_options = IVAL(params,32);
980 sd_len = IVAL(params,36);
981 ea_len = IVAL(params,40);
982 root_dir_fid = (uint16)IVAL(params,4);
983 allocation_size = (uint64_t)IVAL(params,12);
984#ifdef LARGE_SMB_OFF_T
985 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
986#endif
987
988 /*
989 * we need to remove ignored bits when they come directly from the client
990 * because we reuse some of them for internal stuff
991 */
992 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
993
994 /* Ensure the data_len is correct for the sd and ea values given. */
995 if ((ea_len + sd_len > data_count)
996 || (ea_len > data_count) || (sd_len > data_count)
997 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
998 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
999 "%u, data_count = %u\n", (unsigned int)ea_len,
1000 (unsigned int)sd_len, (unsigned int)data_count));
1001 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1002 goto out;
1003 }
1004
1005 if (sd_len) {
1006 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1007 sd_len));
1008
1009 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1010 &sd);
1011 if (!NT_STATUS_IS_OK(status)) {
1012 DEBUG(10, ("call_nt_transact_create: "
1013 "unmarshall_sec_desc failed: %s\n",
1014 nt_errstr(status)));
1015 reply_nterror(req, status);
1016 goto out;
1017 }
1018 }
1019
1020 if (ea_len) {
1021 if (!lp_ea_support(SNUM(conn))) {
1022 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1023 "EA's not supported.\n",
1024 (unsigned int)ea_len));
1025 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1026 goto out;
1027 }
1028
1029 if (ea_len < 10) {
1030 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1031 "too small (should be more than 10)\n",
1032 (unsigned int)ea_len ));
1033 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1034 goto out;
1035 }
1036
1037 /* We have already checked that ea_len <= data_count here. */
1038 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1039 ea_len);
1040 if (ea_list == NULL) {
1041 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1042 goto out;
1043 }
1044 }
1045
1046 srvstr_get_path(ctx, params, req->flags2, &fname,
1047 params+53, parameter_count-53,
1048 STR_TERMINATE, &status);
1049 if (!NT_STATUS_IS_OK(status)) {
1050 reply_nterror(req, status);
1051 goto out;
1052 }
1053
1054 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1055 case_state = set_posix_case_semantics(ctx, conn);
1056 if (!case_state) {
1057 reply_nterror(req, NT_STATUS_NO_MEMORY);
1058 goto out;
1059 }
1060 }
1061
1062 status = filename_convert(ctx,
1063 conn,
1064 req->flags2 & FLAGS2_DFS_PATHNAMES,
1065 fname,
1066 0,
1067 NULL,
1068 &smb_fname);
1069
1070 TALLOC_FREE(case_state);
1071
1072 if (!NT_STATUS_IS_OK(status)) {
1073 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1074 reply_botherror(req,
1075 NT_STATUS_PATH_NOT_COVERED,
1076 ERRSRV, ERRbadpath);
1077 goto out;
1078 }
1079 reply_nterror(req, status);
1080 goto out;
1081 }
1082
1083 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1084 if (oplock_request) {
1085 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1086 ? BATCH_OPLOCK : 0;
1087 }
1088
1089 /*
1090 * Bug #6898 - clients using Windows opens should
1091 * never be able to set this attribute into the
1092 * VFS.
1093 */
1094 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1095
1096 status = SMB_VFS_CREATE_FILE(
1097 conn, /* conn */
1098 req, /* req */
1099 root_dir_fid, /* root_dir_fid */
1100 smb_fname, /* fname */
1101 access_mask, /* access_mask */
1102 share_access, /* share_access */
1103 create_disposition, /* create_disposition*/
1104 create_options, /* create_options */
1105 file_attributes, /* file_attributes */
1106 oplock_request, /* oplock_request */
1107 allocation_size, /* allocation_size */
1108 sd, /* sd */
1109 ea_list, /* ea_list */
1110 &fsp, /* result */
1111 &info); /* pinfo */
1112
1113 if(!NT_STATUS_IS_OK(status)) {
1114 if (open_was_deferred(req->mid)) {
1115 /* We have re-scheduled this call, no error. */
1116 return;
1117 }
1118 reply_openerror(req, status);
1119 goto out;
1120 }
1121
1122 /* Ensure we're pointing at the correct stat struct. */
1123 TALLOC_FREE(smb_fname);
1124 smb_fname = fsp->fsp_name;
1125
1126 /*
1127 * If the caller set the extended oplock request bit
1128 * and we granted one (by whatever means) - set the
1129 * correct bit for extended oplock reply.
1130 */
1131
1132 if (oplock_request &&
1133 (lp_fake_oplocks(SNUM(conn))
1134 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1135
1136 /*
1137 * Exclusive oplock granted
1138 */
1139
1140 if (flags & REQUEST_BATCH_OPLOCK) {
1141 oplock_granted = BATCH_OPLOCK_RETURN;
1142 } else {
1143 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1144 }
1145 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1146 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1147 } else {
1148 oplock_granted = NO_OPLOCK_RETURN;
1149 }
1150
1151 file_len = smb_fname->st.st_ex_size;
1152
1153 /* Realloc the size of parameters and data we will return */
1154 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1155 /* Extended response is 32 more byyes. */
1156 param_len = 101;
1157 } else {
1158 param_len = 69;
1159 }
1160 params = nttrans_realloc(ppparams, param_len);
1161 if(params == NULL) {
1162 reply_nterror(req, NT_STATUS_NO_MEMORY);
1163 goto out;
1164 }
1165
1166 p = params;
1167 SCVAL(p, 0, oplock_granted);
1168
1169 p += 2;
1170 SSVAL(p,0,fsp->fnum);
1171 p += 2;
1172 if ((create_disposition == FILE_SUPERSEDE)
1173 && (info == FILE_WAS_OVERWRITTEN)) {
1174 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1175 } else {
1176 SIVAL(p,0,info);
1177 }
1178 p += 8;
1179
1180 fattr = dos_mode(conn, smb_fname);
1181 if (fattr == 0) {
1182 fattr = FILE_ATTRIBUTE_NORMAL;
1183 }
1184
1185 /* Deal with other possible opens having a modified
1186 write time. JRA. */
1187 ZERO_STRUCT(write_time_ts);
1188 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1189 if (!null_timespec(write_time_ts)) {
1190 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1191 }
1192
1193 /* Create time. */
1194 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1195 a_timespec = smb_fname->st.st_ex_atime;
1196 m_timespec = smb_fname->st.st_ex_mtime;
1197 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1198
1199 if (lp_dos_filetime_resolution(SNUM(conn))) {
1200 dos_filetime_timespec(&create_timespec);
1201 dos_filetime_timespec(&a_timespec);
1202 dos_filetime_timespec(&m_timespec);
1203 dos_filetime_timespec(&c_timespec);
1204 }
1205
1206 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1207 p += 8;
1208 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1209 p += 8;
1210 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1211 p += 8;
1212 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1213 p += 8;
1214 SIVAL(p,0,fattr); /* File Attributes. */
1215 p += 4;
1216 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1217 p += 8;
1218 SOFF_T(p,0,file_len);
1219 p += 8;
1220 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1221 SSVAL(p,2,0x7);
1222 }
1223 p += 4;
1224 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1225
1226 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1227 uint32 perms = 0;
1228 p += 25;
1229 if (fsp->is_directory ||
1230 can_write_to_file(conn, smb_fname)) {
1231 perms = FILE_GENERIC_ALL;
1232 } else {
1233 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1234 }
1235 SIVAL(p,0,perms);
1236 }
1237
1238 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1239 smb_fname_str_dbg(smb_fname)));
1240
1241 /* Send the required number of replies */
1242 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1243 out:
1244 return;
1245}
1246
1247/****************************************************************************
1248 Reply to a NT CANCEL request.
1249 conn POINTER CAN BE NULL HERE !
1250****************************************************************************/
1251
1252void reply_ntcancel(struct smb_request *req)
1253{
1254 /*
1255 * Go through and cancel any pending change notifies.
1256 */
1257
1258 START_PROFILE(SMBntcancel);
1259 srv_cancel_sign_response(smbd_server_conn);
1260 remove_pending_change_notify_requests_by_mid(req->mid);
1261 remove_pending_lock_requests_by_mid(req->mid);
1262
1263 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1264
1265 END_PROFILE(SMBntcancel);
1266 return;
1267}
1268
1269/****************************************************************************
1270 Copy a file.
1271****************************************************************************/
1272
1273static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1274 connection_struct *conn,
1275 struct smb_request *req,
1276 struct smb_filename *smb_fname_src,
1277 struct smb_filename *smb_fname_dst,
1278 uint32 attrs)
1279{
1280 files_struct *fsp1,*fsp2;
1281 uint32 fattr;
1282 int info;
1283 SMB_OFF_T ret=-1;
1284 NTSTATUS status = NT_STATUS_OK;
1285 char *parent;
1286
1287 if (!CAN_WRITE(conn)) {
1288 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1289 goto out;
1290 }
1291
1292 /* Source must already exist. */
1293 if (!VALID_STAT(smb_fname_src->st)) {
1294 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1295 goto out;
1296 }
1297
1298 /* Ensure attributes match. */
1299 fattr = dos_mode(conn, smb_fname_src);
1300 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1301 status = NT_STATUS_NO_SUCH_FILE;
1302 goto out;
1303 }
1304
1305 /* Disallow if dst file already exists. */
1306 if (VALID_STAT(smb_fname_dst->st)) {
1307 status = NT_STATUS_OBJECT_NAME_COLLISION;
1308 goto out;
1309 }
1310
1311 /* No links from a directory. */
1312 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1313 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1314 goto out;
1315 }
1316
1317 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1318 smb_fname_str_dbg(smb_fname_src),
1319 smb_fname_str_dbg(smb_fname_dst)));
1320
1321 status = SMB_VFS_CREATE_FILE(
1322 conn, /* conn */
1323 req, /* req */
1324 0, /* root_dir_fid */
1325 smb_fname_src, /* fname */
1326 FILE_READ_DATA, /* access_mask */
1327 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1328 FILE_SHARE_DELETE),
1329 FILE_OPEN, /* create_disposition*/
1330 0, /* create_options */
1331 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1332 NO_OPLOCK, /* oplock_request */
1333 0, /* allocation_size */
1334 NULL, /* sd */
1335 NULL, /* ea_list */
1336 &fsp1, /* result */
1337 &info); /* pinfo */
1338
1339 if (!NT_STATUS_IS_OK(status)) {
1340 goto out;
1341 }
1342
1343 status = SMB_VFS_CREATE_FILE(
1344 conn, /* conn */
1345 req, /* req */
1346 0, /* root_dir_fid */
1347 smb_fname_dst, /* fname */
1348 FILE_WRITE_DATA, /* access_mask */
1349 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1350 FILE_SHARE_DELETE),
1351 FILE_CREATE, /* create_disposition*/
1352 0, /* create_options */
1353 fattr, /* file_attributes */
1354 NO_OPLOCK, /* oplock_request */
1355 0, /* allocation_size */
1356 NULL, /* sd */
1357 NULL, /* ea_list */
1358 &fsp2, /* result */
1359 &info); /* pinfo */
1360
1361 if (!NT_STATUS_IS_OK(status)) {
1362 close_file(NULL, fsp1, ERROR_CLOSE);
1363 goto out;
1364 }
1365
1366 if (smb_fname_src->st.st_ex_size) {
1367 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1368 }
1369
1370 /*
1371 * As we are opening fsp1 read-only we only expect
1372 * an error on close on fsp2 if we are out of space.
1373 * Thus we don't look at the error return from the
1374 * close of fsp1.
1375 */
1376 close_file(NULL, fsp1, NORMAL_CLOSE);
1377
1378 /* Ensure the modtime is set correctly on the destination file. */
1379 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1380
1381 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1382
1383 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1384 creates the file. This isn't the correct thing to do in the copy
1385 case. JRA */
1386 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1387 NULL)) {
1388 status = NT_STATUS_NO_MEMORY;
1389 goto out;
1390 }
1391 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1392 TALLOC_FREE(parent);
1393
1394 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1395 status = NT_STATUS_DISK_FULL;
1396 goto out;
1397 }
1398 out:
1399 if (!NT_STATUS_IS_OK(status)) {
1400 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1401 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1402 smb_fname_str_dbg(smb_fname_dst)));
1403 }
1404
1405 return status;
1406}
1407
1408/****************************************************************************
1409 Reply to a NT rename request.
1410****************************************************************************/
1411
1412void reply_ntrename(struct smb_request *req)
1413{
1414 connection_struct *conn = req->conn;
1415 struct smb_filename *smb_fname_old = NULL;
1416 struct smb_filename *smb_fname_new = NULL;
1417 char *oldname = NULL;
1418 char *newname = NULL;
1419 const char *p;
1420 NTSTATUS status;
1421 bool src_has_wcard = False;
1422 bool dest_has_wcard = False;
1423 uint32 attrs;
1424 uint32_t ucf_flags_src = 0;
1425 uint32_t ucf_flags_dst = 0;
1426 uint16 rename_type;
1427 TALLOC_CTX *ctx = talloc_tos();
1428
1429 START_PROFILE(SMBntrename);
1430
1431 if (req->wct < 4) {
1432 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1433 goto out;
1434 }
1435
1436 attrs = SVAL(req->vwv+0, 0);
1437 rename_type = SVAL(req->vwv+1, 0);
1438
1439 p = (const char *)req->buf + 1;
1440 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1441 &status, &src_has_wcard);
1442 if (!NT_STATUS_IS_OK(status)) {
1443 reply_nterror(req, status);
1444 goto out;
1445 }
1446
1447 if (ms_has_wild(oldname)) {
1448 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1449 goto out;
1450 }
1451
1452 p++;
1453 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1454 &status, &dest_has_wcard);
1455 if (!NT_STATUS_IS_OK(status)) {
1456 reply_nterror(req, status);
1457 goto out;
1458 }
1459
1460 /* The newname must begin with a ':' if the oldname contains a ':'. */
1461 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1462 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1463 goto out;
1464 }
1465
1466 /*
1467 * If this is a rename operation, allow wildcards and save the
1468 * destination's last component.
1469 */
1470 if (rename_type == RENAME_FLAG_RENAME) {
1471 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1472 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1473 }
1474
1475 /* rename_internals() calls unix_convert(), so don't call it here. */
1476 status = filename_convert(ctx, conn,
1477 req->flags2 & FLAGS2_DFS_PATHNAMES,
1478 oldname,
1479 ucf_flags_src,
1480 NULL,
1481 &smb_fname_old);
1482 if (!NT_STATUS_IS_OK(status)) {
1483 if (NT_STATUS_EQUAL(status,
1484 NT_STATUS_PATH_NOT_COVERED)) {
1485 reply_botherror(req,
1486 NT_STATUS_PATH_NOT_COVERED,
1487 ERRSRV, ERRbadpath);
1488 goto out;
1489 }
1490 reply_nterror(req, status);
1491 goto out;
1492 }
1493
1494 status = filename_convert(ctx, conn,
1495 req->flags2 & FLAGS2_DFS_PATHNAMES,
1496 newname,
1497 ucf_flags_dst,
1498 &dest_has_wcard,
1499 &smb_fname_new);
1500 if (!NT_STATUS_IS_OK(status)) {
1501 if (NT_STATUS_EQUAL(status,
1502 NT_STATUS_PATH_NOT_COVERED)) {
1503 reply_botherror(req,
1504 NT_STATUS_PATH_NOT_COVERED,
1505 ERRSRV, ERRbadpath);
1506 goto out;
1507 }
1508 reply_nterror(req, status);
1509 goto out;
1510 }
1511
1512 DEBUG(3,("reply_ntrename: %s -> %s\n",
1513 smb_fname_str_dbg(smb_fname_old),
1514 smb_fname_str_dbg(smb_fname_new)));
1515
1516 switch(rename_type) {
1517 case RENAME_FLAG_RENAME:
1518 status = rename_internals(ctx, conn, req,
1519 smb_fname_old, smb_fname_new,
1520 attrs, False, src_has_wcard,
1521 dest_has_wcard,
1522 DELETE_ACCESS);
1523 break;
1524 case RENAME_FLAG_HARD_LINK:
1525 if (src_has_wcard || dest_has_wcard) {
1526 /* No wildcards. */
1527 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1528 } else {
1529 status = hardlink_internals(ctx, conn,
1530 smb_fname_old,
1531 smb_fname_new);
1532 }
1533 break;
1534 case RENAME_FLAG_COPY:
1535 if (src_has_wcard || dest_has_wcard) {
1536 /* No wildcards. */
1537 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1538 } else {
1539 status = copy_internals(ctx, conn, req,
1540 smb_fname_old,
1541 smb_fname_new,
1542 attrs);
1543 }
1544 break;
1545 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1546 status = NT_STATUS_INVALID_PARAMETER;
1547 break;
1548 default:
1549 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1550 break;
1551 }
1552
1553 if (!NT_STATUS_IS_OK(status)) {
1554 if (open_was_deferred(req->mid)) {
1555 /* We have re-scheduled this call. */
1556 goto out;
1557 }
1558
1559 reply_nterror(req, status);
1560 goto out;
1561 }
1562
1563 reply_outbuf(req, 0, 0);
1564 out:
1565 END_PROFILE(SMBntrename);
1566 return;
1567}
1568
1569/****************************************************************************
1570 Reply to a notify change - queue the request and
1571 don't allow a directory to be opened.
1572****************************************************************************/
1573
1574static void smbd_smb1_notify_reply(struct smb_request *req,
1575 NTSTATUS error_code,
1576 uint8_t *buf, size_t len)
1577{
1578 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1579}
1580
1581static void call_nt_transact_notify_change(connection_struct *conn,
1582 struct smb_request *req,
1583 uint16 **ppsetup,
1584 uint32 setup_count,
1585 char **ppparams,
1586 uint32 parameter_count,
1587 char **ppdata, uint32 data_count,
1588 uint32 max_data_count,
1589 uint32 max_param_count)
1590{
1591 uint16 *setup = *ppsetup;
1592 files_struct *fsp;
1593 uint32 filter;
1594 NTSTATUS status;
1595 bool recursive;
1596
1597 if(setup_count < 6) {
1598 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1599 return;
1600 }
1601
1602 fsp = file_fsp(req, SVAL(setup,4));
1603 filter = IVAL(setup, 0);
1604 recursive = (SVAL(setup, 6) != 0) ? True : False;
1605
1606 DEBUG(3,("call_nt_transact_notify_change\n"));
1607
1608 if(!fsp) {
1609 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1610 return;
1611 }
1612
1613 {
1614 char *filter_string;
1615
1616 if (!(filter_string = notify_filter_string(NULL, filter))) {
1617 reply_nterror(req,NT_STATUS_NO_MEMORY);
1618 return;
1619 }
1620
1621 DEBUG(3,("call_nt_transact_notify_change: notify change "
1622 "called on %s, filter = %s, recursive = %d\n",
1623 fsp_str_dbg(fsp), filter_string, recursive));
1624
1625 TALLOC_FREE(filter_string);
1626 }
1627
1628 if((!fsp->is_directory) || (conn != fsp->conn)) {
1629 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1630 return;
1631 }
1632
1633 if (fsp->notify == NULL) {
1634
1635 status = change_notify_create(fsp, filter, recursive);
1636
1637 if (!NT_STATUS_IS_OK(status)) {
1638 DEBUG(10, ("change_notify_create returned %s\n",
1639 nt_errstr(status)));
1640 reply_nterror(req, status);
1641 return;
1642 }
1643 }
1644
1645 if (fsp->notify->num_changes != 0) {
1646
1647 /*
1648 * We've got changes pending, respond immediately
1649 */
1650
1651 /*
1652 * TODO: write a torture test to check the filtering behaviour
1653 * here.
1654 */
1655
1656 change_notify_reply(fsp->conn, req,
1657 NT_STATUS_OK,
1658 max_param_count,
1659 fsp->notify,
1660 smbd_smb1_notify_reply);
1661
1662 /*
1663 * change_notify_reply() above has independently sent its
1664 * results
1665 */
1666 return;
1667 }
1668
1669 /*
1670 * No changes pending, queue the request
1671 */
1672
1673 status = change_notify_add_request(req,
1674 max_param_count,
1675 filter,
1676 recursive, fsp,
1677 smbd_smb1_notify_reply);
1678 if (!NT_STATUS_IS_OK(status)) {
1679 reply_nterror(req, status);
1680 }
1681 return;
1682}
1683
1684/****************************************************************************
1685 Reply to an NT transact rename command.
1686****************************************************************************/
1687
1688static void call_nt_transact_rename(connection_struct *conn,
1689 struct smb_request *req,
1690 uint16 **ppsetup, uint32 setup_count,
1691 char **ppparams, uint32 parameter_count,
1692 char **ppdata, uint32 data_count,
1693 uint32 max_data_count)
1694{
1695 char *params = *ppparams;
1696 char *new_name = NULL;
1697 files_struct *fsp = NULL;
1698 bool dest_has_wcard = False;
1699 NTSTATUS status;
1700 TALLOC_CTX *ctx = talloc_tos();
1701
1702 if(parameter_count < 5) {
1703 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1704 return;
1705 }
1706
1707 fsp = file_fsp(req, SVAL(params, 0));
1708 if (!check_fsp(conn, req, fsp)) {
1709 return;
1710 }
1711 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1712 parameter_count - 4,
1713 STR_TERMINATE, &status, &dest_has_wcard);
1714 if (!NT_STATUS_IS_OK(status)) {
1715 reply_nterror(req, status);
1716 return;
1717 }
1718
1719 /*
1720 * W2K3 ignores this request as the RAW-RENAME test
1721 * demonstrates, so we do.
1722 */
1723 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1724
1725 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1726 fsp_str_dbg(fsp), new_name));
1727
1728 return;
1729}
1730
1731/******************************************************************************
1732 Fake up a completely empty SD.
1733*******************************************************************************/
1734
1735static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1736{
1737 size_t sd_size;
1738
1739 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1740 if(!*ppsd) {
1741 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1742 return NT_STATUS_NO_MEMORY;
1743 }
1744
1745 return NT_STATUS_OK;
1746}
1747
1748/****************************************************************************
1749 Reply to query a security descriptor.
1750****************************************************************************/
1751
1752static void call_nt_transact_query_security_desc(connection_struct *conn,
1753 struct smb_request *req,
1754 uint16 **ppsetup,
1755 uint32 setup_count,
1756 char **ppparams,
1757 uint32 parameter_count,
1758 char **ppdata,
1759 uint32 data_count,
1760 uint32 max_data_count)
1761{
1762 char *params = *ppparams;
1763 char *data = *ppdata;
1764 SEC_DESC *psd = NULL;
1765 size_t sd_size;
1766 uint32 security_info_wanted;
1767 files_struct *fsp = NULL;
1768 NTSTATUS status;
1769 DATA_BLOB blob;
1770
1771 if(parameter_count < 8) {
1772 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1773 return;
1774 }
1775
1776 fsp = file_fsp(req, SVAL(params,0));
1777 if(!fsp) {
1778 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1779 return;
1780 }
1781
1782 security_info_wanted = IVAL(params,4);
1783
1784 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1785 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1786 (unsigned int)security_info_wanted));
1787
1788 params = nttrans_realloc(ppparams, 4);
1789 if(params == NULL) {
1790 reply_nterror(req, NT_STATUS_NO_MEMORY);
1791 return;
1792 }
1793
1794 /*
1795 * Get the permissions to return.
1796 */
1797
1798 if (!lp_nt_acl_support(SNUM(conn))) {
1799 status = get_null_nt_acl(talloc_tos(), &psd);
1800 } else {
1801 status = SMB_VFS_FGET_NT_ACL(
1802 fsp, security_info_wanted, &psd);
1803 }
1804 if (!NT_STATUS_IS_OK(status)) {
1805 reply_nterror(req, status);
1806 return;
1807 }
1808
1809 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1810 * present in the reply to match Windows behavior */
1811 if (psd->sacl == NULL &&
1812 security_info_wanted & SACL_SECURITY_INFORMATION)
1813 psd->type |= SEC_DESC_SACL_PRESENT;
1814 if (psd->dacl == NULL &&
1815 security_info_wanted & DACL_SECURITY_INFORMATION)
1816 psd->type |= SEC_DESC_DACL_PRESENT;
1817
1818 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1819
1820 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1821
1822 if (DEBUGLEVEL >= 10) {
1823 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1824 fsp_str_dbg(fsp)));
1825 NDR_PRINT_DEBUG(security_descriptor, psd);
1826 }
1827
1828 SIVAL(params,0,(uint32)sd_size);
1829
1830 if (max_data_count < sd_size) {
1831 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1832 params, 4, *ppdata, 0);
1833 return;
1834 }
1835
1836 /*
1837 * Allocate the data we will point this at.
1838 */
1839
1840 data = nttrans_realloc(ppdata, sd_size);
1841 if(data == NULL) {
1842 reply_nterror(req, NT_STATUS_NO_MEMORY);
1843 return;
1844 }
1845
1846 status = marshall_sec_desc(talloc_tos(), psd,
1847 &blob.data, &blob.length);
1848
1849 if (!NT_STATUS_IS_OK(status)) {
1850 reply_nterror(req, status);
1851 return;
1852 }
1853
1854 SMB_ASSERT(sd_size == blob.length);
1855 memcpy(data, blob.data, sd_size);
1856
1857 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1858
1859 return;
1860}
1861
1862/****************************************************************************
1863 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1864****************************************************************************/
1865
1866static void call_nt_transact_set_security_desc(connection_struct *conn,
1867 struct smb_request *req,
1868 uint16 **ppsetup,
1869 uint32 setup_count,
1870 char **ppparams,
1871 uint32 parameter_count,
1872 char **ppdata,
1873 uint32 data_count,
1874 uint32 max_data_count)
1875{
1876 char *params= *ppparams;
1877 char *data = *ppdata;
1878 files_struct *fsp = NULL;
1879 uint32 security_info_sent = 0;
1880 NTSTATUS status;
1881
1882 if(parameter_count < 8) {
1883 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1884 return;
1885 }
1886
1887 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1888 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1889 return;
1890 }
1891
1892 if(!lp_nt_acl_support(SNUM(conn))) {
1893 goto done;
1894 }
1895
1896 security_info_sent = IVAL(params,4);
1897
1898 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1899 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1900
1901 if (data_count == 0) {
1902 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1903 return;
1904 }
1905
1906 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1907
1908 if (!NT_STATUS_IS_OK(status)) {
1909 reply_nterror(req, status);
1910 return;
1911 }
1912
1913 done:
1914 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1915 return;
1916}
1917
1918/****************************************************************************
1919 Reply to NT IOCTL
1920****************************************************************************/
1921
1922static void call_nt_transact_ioctl(connection_struct *conn,
1923 struct smb_request *req,
1924 uint16 **ppsetup, uint32 setup_count,
1925 char **ppparams, uint32 parameter_count,
1926 char **ppdata, uint32 data_count,
1927 uint32 max_data_count)
1928{
1929 uint32 function;
1930 uint16 fidnum;
1931 files_struct *fsp;
1932 uint8 isFSctl;
1933 uint8 compfilter;
1934 char *pdata = *ppdata;
1935
1936 if (setup_count != 8) {
1937 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1938 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1939 return;
1940 }
1941
1942 function = IVAL(*ppsetup, 0);
1943 fidnum = SVAL(*ppsetup, 4);
1944 isFSctl = CVAL(*ppsetup, 6);
1945 compfilter = CVAL(*ppsetup, 7);
1946
1947 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1948 function, fidnum, isFSctl, compfilter));
1949
1950 fsp=file_fsp(req, fidnum);
1951 /* this check is done in each implemented function case for now
1952 because I don't want to break anything... --metze
1953 FSP_BELONGS_CONN(fsp,conn);*/
1954
1955 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1956
1957 switch (function) {
1958 case FSCTL_SET_SPARSE:
1959 /* pretend this succeeded - tho strictly we should
1960 mark the file sparse (if the local fs supports it)
1961 so we can know if we need to pre-allocate or not */
1962
1963 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1964 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1965 return;
1966
1967 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1968 {
1969 unsigned char objid[16];
1970
1971 /* This should return the object-id on this file.
1972 * I think I'll make this be the inode+dev. JRA.
1973 */
1974
1975 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1976
1977 if (!fsp_belongs_conn(conn, req, fsp)) {
1978 return;
1979 }
1980
1981 data_count = 64;
1982 pdata = nttrans_realloc(ppdata, data_count);
1983 if (pdata == NULL) {
1984 reply_nterror(req, NT_STATUS_NO_MEMORY);
1985 return;
1986 }
1987
1988 /* For backwards compatibility only store the dev/inode. */
1989 push_file_id_16(pdata, &fsp->file_id);
1990 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1991 push_file_id_16(pdata+32, &fsp->file_id);
1992 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1993 pdata, data_count);
1994 return;
1995 }
1996
1997 case FSCTL_GET_REPARSE_POINT:
1998 /* pretend this fail - my winXP does it like this
1999 * --metze
2000 */
2001
2002 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2003 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2004 return;
2005
2006 case FSCTL_SET_REPARSE_POINT:
2007 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2008 * --metze
2009 */
2010
2011 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2012 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2013 return;
2014
2015 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2016 {
2017 /*
2018 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2019 * and return their volume names. If max_data_count is 16, then it is just
2020 * asking for the number of volumes and length of the combined names.
2021 *
2022 * pdata is the data allocated by our caller, but that uses
2023 * total_data_count (which is 0 in our case) rather than max_data_count.
2024 * Allocate the correct amount and return the pointer to let
2025 * it be deallocated when we return.
2026 */
2027 SHADOW_COPY_DATA *shadow_data = NULL;
2028 TALLOC_CTX *shadow_mem_ctx = NULL;
2029 bool labels = False;
2030 uint32 labels_data_count = 0;
2031 uint32 i;
2032 char *cur_pdata;
2033
2034 if (!fsp_belongs_conn(conn, req, fsp)) {
2035 return;
2036 }
2037
2038 if (max_data_count < 16) {
2039 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2040 max_data_count));
2041 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2042 return;
2043 }
2044
2045 if (max_data_count > 16) {
2046 labels = True;
2047 }
2048
2049 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2050 if (shadow_mem_ctx == NULL) {
2051 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2052 reply_nterror(req, NT_STATUS_NO_MEMORY);
2053 return;
2054 }
2055
2056 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2057 if (shadow_data == NULL) {
2058 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2059 talloc_destroy(shadow_mem_ctx);
2060 reply_nterror(req, NT_STATUS_NO_MEMORY);
2061 return;
2062 }
2063
2064 shadow_data->mem_ctx = shadow_mem_ctx;
2065
2066 /*
2067 * Call the VFS routine to actually do the work.
2068 */
2069 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2070 talloc_destroy(shadow_data->mem_ctx);
2071 if (errno == ENOSYS) {
2072 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2073 conn->connectpath));
2074 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2075 return;
2076 } else {
2077 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2078 conn->connectpath));
2079 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2080 return;
2081 }
2082 }
2083
2084 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2085
2086 if (!labels) {
2087 data_count = 16;
2088 } else {
2089 data_count = 12+labels_data_count+4;
2090 }
2091
2092 if (max_data_count<data_count) {
2093 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2094 max_data_count,data_count));
2095 talloc_destroy(shadow_data->mem_ctx);
2096 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2097 return;
2098 }
2099
2100 pdata = nttrans_realloc(ppdata, data_count);
2101 if (pdata == NULL) {
2102 talloc_destroy(shadow_data->mem_ctx);
2103 reply_nterror(req, NT_STATUS_NO_MEMORY);
2104 return;
2105 }
2106
2107 cur_pdata = pdata;
2108
2109 /* num_volumes 4 bytes */
2110 SIVAL(pdata,0,shadow_data->num_volumes);
2111
2112 if (labels) {
2113 /* num_labels 4 bytes */
2114 SIVAL(pdata,4,shadow_data->num_volumes);
2115 }
2116
2117 /* needed_data_count 4 bytes */
2118 SIVAL(pdata, 8, labels_data_count+4);
2119
2120 cur_pdata+=12;
2121
2122 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2123 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2124 if (labels && shadow_data->labels) {
2125 for (i=0;i<shadow_data->num_volumes;i++) {
2126 srvstr_push(pdata, req->flags2,
2127 cur_pdata, shadow_data->labels[i],
2128 2*sizeof(SHADOW_COPY_LABEL),
2129 STR_UNICODE|STR_TERMINATE);
2130 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2131 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2132 }
2133 }
2134
2135 talloc_destroy(shadow_data->mem_ctx);
2136
2137 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2138 pdata, data_count);
2139
2140 return;
2141 }
2142
2143 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2144 {
2145 /* pretend this succeeded -
2146 *
2147 * we have to send back a list with all files owned by this SID
2148 *
2149 * but I have to check that --metze
2150 */
2151 DOM_SID sid;
2152 uid_t uid;
2153 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2154
2155 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2156
2157 if (!fsp_belongs_conn(conn, req, fsp)) {
2158 return;
2159 }
2160
2161 /* unknown 4 bytes: this is not the length of the sid :-( */
2162 /*unknown = IVAL(pdata,0);*/
2163
2164 sid_parse(pdata+4,sid_len,&sid);
2165 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2166
2167 if (!sid_to_uid(&sid, &uid)) {
2168 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2169 sid_string_dbg(&sid),
2170 (unsigned long)sid_len));
2171 uid = (-1);
2172 }
2173
2174 /* we can take a look at the find source :-)
2175 *
2176 * find ./ -uid $uid -name '*' is what we need here
2177 *
2178 *
2179 * and send 4bytes len and then NULL terminated unicode strings
2180 * for each file
2181 *
2182 * but I don't know how to deal with the paged results
2183 * (maybe we can hang the result anywhere in the fsp struct)
2184 *
2185 * we don't send all files at once
2186 * and at the next we should *not* start from the beginning,
2187 * so we have to cache the result
2188 *
2189 * --metze
2190 */
2191
2192 /* this works for now... */
2193 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2194 return;
2195 }
2196 default:
2197 if (!logged_ioctl_message) {
2198 logged_ioctl_message = true; /* Only print this once... */
2199 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2200 function));
2201 }
2202 }
2203
2204 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2205}
2206
2207
2208#ifdef HAVE_SYS_QUOTAS
2209/****************************************************************************
2210 Reply to get user quota
2211****************************************************************************/
2212
2213static void call_nt_transact_get_user_quota(connection_struct *conn,
2214 struct smb_request *req,
2215 uint16 **ppsetup,
2216 uint32 setup_count,
2217 char **ppparams,
2218 uint32 parameter_count,
2219 char **ppdata,
2220 uint32 data_count,
2221 uint32 max_data_count)
2222{
2223 NTSTATUS nt_status = NT_STATUS_OK;
2224 char *params = *ppparams;
2225 char *pdata = *ppdata;
2226 char *entry;
2227 int data_len=0,param_len=0;
2228 int qt_len=0;
2229 int entry_len = 0;
2230 files_struct *fsp = NULL;
2231 uint16 level = 0;
2232 size_t sid_len;
2233 DOM_SID sid;
2234 bool start_enum = True;
2235 SMB_NTQUOTA_STRUCT qt;
2236 SMB_NTQUOTA_LIST *tmp_list;
2237 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2238
2239 ZERO_STRUCT(qt);
2240
2241 /* access check */
2242 if (conn->server_info->utok.uid != 0) {
2243 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2244 "[%s]\n", lp_servicename(SNUM(conn)),
2245 conn->server_info->unix_name));
2246 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2247 return;
2248 }
2249
2250 /*
2251 * Ensure minimum number of parameters sent.
2252 */
2253
2254 if (parameter_count < 4) {
2255 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2256 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2257 return;
2258 }
2259
2260 /* maybe we can check the quota_fnum */
2261 fsp = file_fsp(req, SVAL(params,0));
2262 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2263 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2264 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2265 return;
2266 }
2267
2268 /* the NULL pointer checking for fsp->fake_file_handle->pd
2269 * is done by CHECK_NTQUOTA_HANDLE_OK()
2270 */
2271 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2272
2273 level = SVAL(params,2);
2274
2275 /* unknown 12 bytes leading in params */
2276
2277 switch (level) {
2278 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2279 /* seems that we should continue with the enum here --metze */
2280
2281 if (qt_handle->quota_list!=NULL &&
2282 qt_handle->tmp_list==NULL) {
2283
2284 /* free the list */
2285 free_ntquota_list(&(qt_handle->quota_list));
2286
2287 /* Realloc the size of parameters and data we will return */
2288 param_len = 4;
2289 params = nttrans_realloc(ppparams, param_len);
2290 if(params == NULL) {
2291 reply_nterror(req, NT_STATUS_NO_MEMORY);
2292 return;
2293 }
2294
2295 data_len = 0;
2296 SIVAL(params,0,data_len);
2297
2298 break;
2299 }
2300
2301 start_enum = False;
2302
2303 case TRANSACT_GET_USER_QUOTA_LIST_START:
2304
2305 if (qt_handle->quota_list==NULL &&
2306 qt_handle->tmp_list==NULL) {
2307 start_enum = True;
2308 }
2309
2310 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2311 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2312 return;
2313 }
2314
2315 /* Realloc the size of parameters and data we will return */
2316 param_len = 4;
2317 params = nttrans_realloc(ppparams, param_len);
2318 if(params == NULL) {
2319 reply_nterror(req, NT_STATUS_NO_MEMORY);
2320 return;
2321 }
2322
2323 /* we should not trust the value in max_data_count*/
2324 max_data_count = MIN(max_data_count,2048);
2325
2326 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2327 if(pdata == NULL) {
2328 reply_nterror(req, NT_STATUS_NO_MEMORY);
2329 return;
2330 }
2331
2332 entry = pdata;
2333
2334 /* set params Size of returned Quota Data 4 bytes*/
2335 /* but set it later when we know it */
2336
2337 /* for each entry push the data */
2338
2339 if (start_enum) {
2340 qt_handle->tmp_list = qt_handle->quota_list;
2341 }
2342
2343 tmp_list = qt_handle->tmp_list;
2344
2345 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2346 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2347
2348 sid_len = ndr_size_dom_sid(
2349 &tmp_list->quotas->sid, NULL, 0);
2350 entry_len = 40 + sid_len;
2351
2352 /* nextoffset entry 4 bytes */
2353 SIVAL(entry,0,entry_len);
2354
2355 /* then the len of the SID 4 bytes */
2356 SIVAL(entry,4,sid_len);
2357
2358 /* unknown data 8 bytes uint64_t */
2359 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2360
2361 /* the used disk space 8 bytes uint64_t */
2362 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2363
2364 /* the soft quotas 8 bytes uint64_t */
2365 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2366
2367 /* the hard quotas 8 bytes uint64_t */
2368 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2369
2370 /* and now the SID */
2371 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2372 }
2373
2374 qt_handle->tmp_list = tmp_list;
2375
2376 /* overwrite the offset of the last entry */
2377 SIVAL(entry-entry_len,0,0);
2378
2379 data_len = 4+qt_len;
2380 /* overwrite the params quota_data_len */
2381 SIVAL(params,0,data_len);
2382
2383 break;
2384
2385 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2386
2387 /* unknown 4 bytes IVAL(pdata,0) */
2388
2389 if (data_count < 8) {
2390 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2391 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2392 return;
2393 }
2394
2395 sid_len = IVAL(pdata,4);
2396 /* Ensure this is less than 1mb. */
2397 if (sid_len > (1024*1024)) {
2398 reply_nterror(req, NT_STATUS_NO_MEMORY);
2399 return;
2400 }
2401
2402 if (data_count < 8+sid_len) {
2403 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2404 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2405 return;
2406 }
2407
2408 data_len = 4+40+sid_len;
2409
2410 if (max_data_count < data_len) {
2411 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2412 max_data_count, data_len));
2413 param_len = 4;
2414 SIVAL(params,0,data_len);
2415 data_len = 0;
2416 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2417 break;
2418 }
2419
2420 sid_parse(pdata+8,sid_len,&sid);
2421
2422 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2423 ZERO_STRUCT(qt);
2424 /*
2425 * we have to return zero's in all fields
2426 * instead of returning an error here
2427 * --metze
2428 */
2429 }
2430
2431 /* Realloc the size of parameters and data we will return */
2432 param_len = 4;
2433 params = nttrans_realloc(ppparams, param_len);
2434 if(params == NULL) {
2435 reply_nterror(req, NT_STATUS_NO_MEMORY);
2436 return;
2437 }
2438
2439 pdata = nttrans_realloc(ppdata, data_len);
2440 if(pdata == NULL) {
2441 reply_nterror(req, NT_STATUS_NO_MEMORY);
2442 return;
2443 }
2444
2445 entry = pdata;
2446
2447 /* set params Size of returned Quota Data 4 bytes*/
2448 SIVAL(params,0,data_len);
2449
2450 /* nextoffset entry 4 bytes */
2451 SIVAL(entry,0,0);
2452
2453 /* then the len of the SID 4 bytes */
2454 SIVAL(entry,4,sid_len);
2455
2456 /* unknown data 8 bytes uint64_t */
2457 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2458
2459 /* the used disk space 8 bytes uint64_t */
2460 SBIG_UINT(entry,16,qt.usedspace);
2461
2462 /* the soft quotas 8 bytes uint64_t */
2463 SBIG_UINT(entry,24,qt.softlim);
2464
2465 /* the hard quotas 8 bytes uint64_t */
2466 SBIG_UINT(entry,32,qt.hardlim);
2467
2468 /* and now the SID */
2469 sid_linearize(entry+40, sid_len, &sid);
2470
2471 break;
2472
2473 default:
2474 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2475 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2476 return;
2477 break;
2478 }
2479
2480 send_nt_replies(conn, req, nt_status, params, param_len,
2481 pdata, data_len);
2482}
2483
2484/****************************************************************************
2485 Reply to set user quota
2486****************************************************************************/
2487
2488static void call_nt_transact_set_user_quota(connection_struct *conn,
2489 struct smb_request *req,
2490 uint16 **ppsetup,
2491 uint32 setup_count,
2492 char **ppparams,
2493 uint32 parameter_count,
2494 char **ppdata,
2495 uint32 data_count,
2496 uint32 max_data_count)
2497{
2498 char *params = *ppparams;
2499 char *pdata = *ppdata;
2500 int data_len=0,param_len=0;
2501 SMB_NTQUOTA_STRUCT qt;
2502 size_t sid_len;
2503 DOM_SID sid;
2504 files_struct *fsp = NULL;
2505
2506 ZERO_STRUCT(qt);
2507
2508 /* access check */
2509 if (conn->server_info->utok.uid != 0) {
2510 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2511 "[%s]\n", lp_servicename(SNUM(conn)),
2512 conn->server_info->unix_name));
2513 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2514 return;
2515 }
2516
2517 /*
2518 * Ensure minimum number of parameters sent.
2519 */
2520
2521 if (parameter_count < 2) {
2522 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2523 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2524 return;
2525 }
2526
2527 /* maybe we can check the quota_fnum */
2528 fsp = file_fsp(req, SVAL(params,0));
2529 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2530 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2531 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2532 return;
2533 }
2534
2535 if (data_count < 40) {
2536 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2537 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2538 return;
2539 }
2540
2541 /* offset to next quota record.
2542 * 4 bytes IVAL(pdata,0)
2543 * unused here...
2544 */
2545
2546 /* sid len */
2547 sid_len = IVAL(pdata,4);
2548
2549 if (data_count < 40+sid_len) {
2550 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2551 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2552 return;
2553 }
2554
2555 /* unknown 8 bytes in pdata
2556 * maybe its the change time in NTTIME
2557 */
2558
2559 /* the used space 8 bytes (uint64_t)*/
2560 qt.usedspace = (uint64_t)IVAL(pdata,16);
2561#ifdef LARGE_SMB_OFF_T
2562 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2563#else /* LARGE_SMB_OFF_T */
2564 if ((IVAL(pdata,20) != 0)&&
2565 ((qt.usedspace != 0xFFFFFFFF)||
2566 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2567 /* more than 32 bits? */
2568 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2569 return;
2570 }
2571#endif /* LARGE_SMB_OFF_T */
2572
2573 /* the soft quotas 8 bytes (uint64_t)*/
2574 qt.softlim = (uint64_t)IVAL(pdata,24);
2575#ifdef LARGE_SMB_OFF_T
2576 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2577#else /* LARGE_SMB_OFF_T */
2578 if ((IVAL(pdata,28) != 0)&&
2579 ((qt.softlim != 0xFFFFFFFF)||
2580 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2581 /* more than 32 bits? */
2582 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2583 return;
2584 }
2585#endif /* LARGE_SMB_OFF_T */
2586
2587 /* the hard quotas 8 bytes (uint64_t)*/
2588 qt.hardlim = (uint64_t)IVAL(pdata,32);
2589#ifdef LARGE_SMB_OFF_T
2590 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2591#else /* LARGE_SMB_OFF_T */
2592 if ((IVAL(pdata,36) != 0)&&
2593 ((qt.hardlim != 0xFFFFFFFF)||
2594 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2595 /* more than 32 bits? */
2596 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2597 return;
2598 }
2599#endif /* LARGE_SMB_OFF_T */
2600
2601 sid_parse(pdata+40,sid_len,&sid);
2602 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2603
2604 /* 44 unknown bytes left... */
2605
2606 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2607 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2608 return;
2609 }
2610
2611 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2612 pdata, data_len);
2613}
2614#endif /* HAVE_SYS_QUOTAS */
2615
2616static void handle_nttrans(connection_struct *conn,
2617 struct trans_state *state,
2618 struct smb_request *req)
2619{
2620 if (get_Protocol() >= PROTOCOL_NT1) {
2621 req->flags2 |= 0x40; /* IS_LONG_NAME */
2622 SSVAL(req->inbuf,smb_flg2,req->flags2);
2623 }
2624
2625
2626 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2627
2628 /* Now we must call the relevant NT_TRANS function */
2629 switch(state->call) {
2630 case NT_TRANSACT_CREATE:
2631 {
2632 START_PROFILE(NT_transact_create);
2633 call_nt_transact_create(
2634 conn, req,
2635 &state->setup, state->setup_count,
2636 &state->param, state->total_param,
2637 &state->data, state->total_data,
2638 state->max_data_return);
2639 END_PROFILE(NT_transact_create);
2640 break;
2641 }
2642
2643 case NT_TRANSACT_IOCTL:
2644 {
2645 START_PROFILE(NT_transact_ioctl);
2646 call_nt_transact_ioctl(
2647 conn, req,
2648 &state->setup, state->setup_count,
2649 &state->param, state->total_param,
2650 &state->data, state->total_data,
2651 state->max_data_return);
2652 END_PROFILE(NT_transact_ioctl);
2653 break;
2654 }
2655
2656 case NT_TRANSACT_SET_SECURITY_DESC:
2657 {
2658 START_PROFILE(NT_transact_set_security_desc);
2659 call_nt_transact_set_security_desc(
2660 conn, req,
2661 &state->setup, state->setup_count,
2662 &state->param, state->total_param,
2663 &state->data, state->total_data,
2664 state->max_data_return);
2665 END_PROFILE(NT_transact_set_security_desc);
2666 break;
2667 }
2668
2669 case NT_TRANSACT_NOTIFY_CHANGE:
2670 {
2671 START_PROFILE(NT_transact_notify_change);
2672 call_nt_transact_notify_change(
2673 conn, req,
2674 &state->setup, state->setup_count,
2675 &state->param, state->total_param,
2676 &state->data, state->total_data,
2677 state->max_data_return,
2678 state->max_param_return);
2679 END_PROFILE(NT_transact_notify_change);
2680 break;
2681 }
2682
2683 case NT_TRANSACT_RENAME:
2684 {
2685 START_PROFILE(NT_transact_rename);
2686 call_nt_transact_rename(
2687 conn, req,
2688 &state->setup, state->setup_count,
2689 &state->param, state->total_param,
2690 &state->data, state->total_data,
2691 state->max_data_return);
2692 END_PROFILE(NT_transact_rename);
2693 break;
2694 }
2695
2696 case NT_TRANSACT_QUERY_SECURITY_DESC:
2697 {
2698 START_PROFILE(NT_transact_query_security_desc);
2699 call_nt_transact_query_security_desc(
2700 conn, req,
2701 &state->setup, state->setup_count,
2702 &state->param, state->total_param,
2703 &state->data, state->total_data,
2704 state->max_data_return);
2705 END_PROFILE(NT_transact_query_security_desc);
2706 break;
2707 }
2708
2709#ifdef HAVE_SYS_QUOTAS
2710 case NT_TRANSACT_GET_USER_QUOTA:
2711 {
2712 START_PROFILE(NT_transact_get_user_quota);
2713 call_nt_transact_get_user_quota(
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_get_user_quota);
2720 break;
2721 }
2722
2723 case NT_TRANSACT_SET_USER_QUOTA:
2724 {
2725 START_PROFILE(NT_transact_set_user_quota);
2726 call_nt_transact_set_user_quota(
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_set_user_quota);
2733 break;
2734 }
2735#endif /* HAVE_SYS_QUOTAS */
2736
2737 default:
2738 /* Error in request */
2739 DEBUG(0,("handle_nttrans: Unknown request %d in "
2740 "nttrans call\n", state->call));
2741 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2742 return;
2743 }
2744 return;
2745}
2746
2747/****************************************************************************
2748 Reply to a SMBNTtrans.
2749****************************************************************************/
2750
2751void reply_nttrans(struct smb_request *req)
2752{
2753 connection_struct *conn = req->conn;
2754 uint32_t pscnt;
2755 uint32_t psoff;
2756 uint32_t dscnt;
2757 uint32_t dsoff;
2758 uint16 function_code;
2759 NTSTATUS result;
2760 struct trans_state *state;
2761
2762 START_PROFILE(SMBnttrans);
2763
2764 if (req->wct < 19) {
2765 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2766 END_PROFILE(SMBnttrans);
2767 return;
2768 }
2769
2770 pscnt = IVAL(req->vwv+9, 1);
2771 psoff = IVAL(req->vwv+11, 1);
2772 dscnt = IVAL(req->vwv+13, 1);
2773 dsoff = IVAL(req->vwv+15, 1);
2774 function_code = SVAL(req->vwv+18, 0);
2775
2776 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2777 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2778 END_PROFILE(SMBnttrans);
2779 return;
2780 }
2781
2782 result = allow_new_trans(conn->pending_trans, req->mid);
2783 if (!NT_STATUS_IS_OK(result)) {
2784 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2785 reply_nterror(req, result);
2786 END_PROFILE(SMBnttrans);
2787 return;
2788 }
2789
2790 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2791 reply_nterror(req, NT_STATUS_NO_MEMORY);
2792 END_PROFILE(SMBnttrans);
2793 return;
2794 }
2795
2796 state->cmd = SMBnttrans;
2797
2798 state->mid = req->mid;
2799 state->vuid = req->vuid;
2800 state->total_data = IVAL(req->vwv+3, 1);
2801 state->data = NULL;
2802 state->total_param = IVAL(req->vwv+1, 1);
2803 state->param = NULL;
2804 state->max_data_return = IVAL(req->vwv+7, 1);
2805 state->max_param_return = IVAL(req->vwv+5, 1);
2806
2807 /* setup count is in *words* */
2808 state->setup_count = 2*CVAL(req->vwv+17, 1);
2809 state->setup = NULL;
2810 state->call = function_code;
2811
2812 DEBUG(10, ("num_setup=%u, "
2813 "param_total=%u, this_param=%u, max_param=%u, "
2814 "data_total=%u, this_data=%u, max_data=%u, "
2815 "param_offset=%u, data_offset=%u\n",
2816 (unsigned)state->setup_count,
2817 (unsigned)state->total_param, (unsigned)pscnt,
2818 (unsigned)state->max_param_return,
2819 (unsigned)state->total_data, (unsigned)dscnt,
2820 (unsigned)state->max_data_return,
2821 (unsigned)psoff, (unsigned)dsoff));
2822
2823 /*
2824 * All nttrans messages we handle have smb_wct == 19 +
2825 * state->setup_count. Ensure this is so as a sanity check.
2826 */
2827
2828 if(req->wct != 19 + (state->setup_count/2)) {
2829 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2830 req->wct, 19 + (state->setup_count/2)));
2831 goto bad_param;
2832 }
2833
2834 /* Don't allow more than 128mb for each value. */
2835 if ((state->total_data > (1024*1024*128)) ||
2836 (state->total_param > (1024*1024*128))) {
2837 reply_nterror(req, NT_STATUS_NO_MEMORY);
2838 END_PROFILE(SMBnttrans);
2839 return;
2840 }
2841
2842 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2843 goto bad_param;
2844
2845 if (state->total_data) {
2846
2847 if (trans_oob(state->total_data, 0, dscnt)
2848 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2849 goto bad_param;
2850 }
2851
2852 /* Can't use talloc here, the core routines do realloc on the
2853 * params and data. */
2854 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2855 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2856 "bytes !\n", (unsigned int)state->total_data));
2857 TALLOC_FREE(state);
2858 reply_nterror(req, NT_STATUS_NO_MEMORY);
2859 END_PROFILE(SMBnttrans);
2860 return;
2861 }
2862
2863 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2864 }
2865
2866 if (state->total_param) {
2867
2868 if (trans_oob(state->total_param, 0, pscnt)
2869 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2870 goto bad_param;
2871 }
2872
2873 /* Can't use talloc here, the core routines do realloc on the
2874 * params and data. */
2875 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2876 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2877 "bytes !\n", (unsigned int)state->total_param));
2878 SAFE_FREE(state->data);
2879 TALLOC_FREE(state);
2880 reply_nterror(req, NT_STATUS_NO_MEMORY);
2881 END_PROFILE(SMBnttrans);
2882 return;
2883 }
2884
2885 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2886 }
2887
2888 state->received_data = dscnt;
2889 state->received_param = pscnt;
2890
2891 if(state->setup_count > 0) {
2892 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2893 state->setup_count));
2894
2895 /*
2896 * No overflow possible here, state->setup_count is an
2897 * unsigned int, being filled by a single byte from
2898 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2899 * below is not necessary, it's here to clarify things. The
2900 * validity of req->vwv and req->wct has been checked in
2901 * init_smb_request already.
2902 */
2903 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2904 goto bad_param;
2905 }
2906
2907 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2908 if (state->setup == NULL) {
2909 DEBUG(0,("reply_nttrans : Out of memory\n"));
2910 SAFE_FREE(state->data);
2911 SAFE_FREE(state->param);
2912 TALLOC_FREE(state);
2913 reply_nterror(req, NT_STATUS_NO_MEMORY);
2914 END_PROFILE(SMBnttrans);
2915 return;
2916 }
2917
2918 memcpy(state->setup, req->vwv+19, state->setup_count);
2919 dump_data(10, (uint8 *)state->setup, state->setup_count);
2920 }
2921
2922 if ((state->received_data == state->total_data) &&
2923 (state->received_param == state->total_param)) {
2924 handle_nttrans(conn, state, req);
2925 SAFE_FREE(state->param);
2926 SAFE_FREE(state->data);
2927 TALLOC_FREE(state);
2928 END_PROFILE(SMBnttrans);
2929 return;
2930 }
2931
2932 DLIST_ADD(conn->pending_trans, state);
2933
2934 /* We need to send an interim response then receive the rest
2935 of the parameter/data bytes */
2936 reply_outbuf(req, 0, 0);
2937 show_msg((char *)req->outbuf);
2938 END_PROFILE(SMBnttrans);
2939 return;
2940
2941 bad_param:
2942
2943 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2944 SAFE_FREE(state->data);
2945 SAFE_FREE(state->param);
2946 TALLOC_FREE(state);
2947 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2948 END_PROFILE(SMBnttrans);
2949 return;
2950}
2951
2952/****************************************************************************
2953 Reply to a SMBnttranss
2954 ****************************************************************************/
2955
2956void reply_nttranss(struct smb_request *req)
2957{
2958 connection_struct *conn = req->conn;
2959 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2960 struct trans_state *state;
2961
2962 START_PROFILE(SMBnttranss);
2963
2964 show_msg((char *)req->inbuf);
2965
2966 if (req->wct < 18) {
2967 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2968 END_PROFILE(SMBnttranss);
2969 return;
2970 }
2971
2972 for (state = conn->pending_trans; state != NULL;
2973 state = state->next) {
2974 if (state->mid == req->mid) {
2975 break;
2976 }
2977 }
2978
2979 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2980 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2981 END_PROFILE(SMBnttranss);
2982 return;
2983 }
2984
2985 /* Revise state->total_param and state->total_data in case they have
2986 changed downwards */
2987 if (IVAL(req->vwv+1, 1) < state->total_param) {
2988 state->total_param = IVAL(req->vwv+1, 1);
2989 }
2990 if (IVAL(req->vwv+3, 1) < state->total_data) {
2991 state->total_data = IVAL(req->vwv+3, 1);
2992 }
2993
2994 pcnt = IVAL(req->vwv+5, 1);
2995 poff = IVAL(req->vwv+7, 1);
2996 pdisp = IVAL(req->vwv+9, 1);
2997
2998 dcnt = IVAL(req->vwv+11, 1);
2999 doff = IVAL(req->vwv+13, 1);
3000 ddisp = IVAL(req->vwv+15, 1);
3001
3002 state->received_param += pcnt;
3003 state->received_data += dcnt;
3004
3005 if ((state->received_data > state->total_data) ||
3006 (state->received_param > state->total_param))
3007 goto bad_param;
3008
3009 if (pcnt) {
3010 if (trans_oob(state->total_param, pdisp, pcnt)
3011 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3012 goto bad_param;
3013 }
3014 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3015 }
3016
3017 if (dcnt) {
3018 if (trans_oob(state->total_data, ddisp, dcnt)
3019 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3020 goto bad_param;
3021 }
3022 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3023 }
3024
3025 if ((state->received_param < state->total_param) ||
3026 (state->received_data < state->total_data)) {
3027 END_PROFILE(SMBnttranss);
3028 return;
3029 }
3030
3031 handle_nttrans(conn, state, req);
3032
3033 DLIST_REMOVE(conn->pending_trans, state);
3034 SAFE_FREE(state->data);
3035 SAFE_FREE(state->param);
3036 TALLOC_FREE(state);
3037 END_PROFILE(SMBnttranss);
3038 return;
3039
3040 bad_param:
3041
3042 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3043 DLIST_REMOVE(conn->pending_trans, state);
3044 SAFE_FREE(state->data);
3045 SAFE_FREE(state->param);
3046 TALLOC_FREE(state);
3047 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3048 END_PROFILE(SMBnttranss);
3049 return;
3050}
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