2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
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.
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.
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/>.
22 #include "system/filesys.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "fake_file.h"
26 #include "../libcli/security/security.h"
27 #include "../librpc/gen_ndr/ndr_security.h"
28 #include "passdb/lookup_sid.h"
30 #include "smbprofile.h"
31 #include "libsmb/libsmb.h"
32 #include "lib/util_ea.h"
34 extern const struct generic_mapping file_generic_mapping
;
36 static char *nttrans_realloc(char **ptr
, size_t size
)
39 smb_panic("nttrans_realloc() called with NULL ptr");
42 *ptr
= (char *)SMB_REALLOC(*ptr
, size
);
46 memset(*ptr
,'\0',size
);
50 /****************************************************************************
51 Send the required number of replies back.
52 We assume all fields other than the data fields are
53 set correctly for the type of call.
54 HACK ! Always assumes smb_setup field is zero.
55 ****************************************************************************/
57 static void send_nt_replies(connection_struct
*conn
,
58 struct smb_request
*req
, NTSTATUS nt_error
,
59 char *params
, int paramsize
,
60 char *pdata
, int datasize
)
62 int data_to_send
= datasize
;
63 int params_to_send
= paramsize
;
67 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
68 int alignment_offset
= 1;
69 int data_alignment_offset
= 0;
70 struct smbd_server_connection
*sconn
= req
->sconn
;
71 int max_send
= sconn
->smb1
.sessions
.max_send
;
74 * If there genuinely are no parameters or data to send just send
78 if(params_to_send
== 0 && data_to_send
== 0) {
79 reply_outbuf(req
, 18, 0);
80 if (NT_STATUS_V(nt_error
)) {
81 error_packet_set((char *)req
->outbuf
,
85 show_msg((char *)req
->outbuf
);
86 if (!srv_send_smb(sconn
,
89 IS_CONN_ENCRYPTED(conn
),
91 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
93 TALLOC_FREE(req
->outbuf
);
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
103 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
104 data_alignment_offset
= 4 - (params_to_send
% 4);
108 * Space is bufsize minus Netbios over TCP header minus SMB header.
109 * The alignment_offset is to align the param bytes on a four byte
110 * boundary (2 bytes for data len, one byte pad).
111 * NT needs this to work correctly.
114 useable_space
= max_send
- (smb_size
117 + data_alignment_offset
);
119 if (useable_space
< 0) {
120 char *msg
= talloc_asprintf(
122 "send_nt_replies failed sanity useable_space = %d!!!",
124 DEBUG(0, ("%s\n", msg
));
125 exit_server_cleanly(msg
);
128 while (params_to_send
|| data_to_send
) {
131 * Calculate whether we will totally or partially fill this packet.
134 total_sent_thistime
= params_to_send
+ data_to_send
;
137 * We can never send more than useable_space.
140 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
142 reply_outbuf(req
, 18,
143 total_sent_thistime
+ alignment_offset
144 + data_alignment_offset
);
147 * Set total params and data to be sent.
150 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
151 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
154 * Calculate how many parameters and data we can fit into
155 * this packet. Parameters get precedence.
158 params_sent_thistime
= MIN(params_to_send
,useable_space
);
159 data_sent_thistime
= useable_space
- params_sent_thistime
;
160 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
162 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
163 params_sent_thistime
);
165 if(params_sent_thistime
== 0) {
166 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
167 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
170 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
171 * parameter bytes, however the first 4 bytes of outbuf are
172 * the Netbios over TCP header. Thus use smb_base() to subtract
173 * them from the calculation.
176 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
177 ((smb_buf(req
->outbuf
)+alignment_offset
)
178 - smb_base(req
->outbuf
)));
180 * Absolute displacement of param bytes sent in this packet.
183 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
188 * Deal with the data portion.
191 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
193 if(data_sent_thistime
== 0) {
194 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
195 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
198 * The offset of the data bytes is the offset of the
199 * parameter bytes plus the number of parameters being sent this time.
202 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
203 ((smb_buf(req
->outbuf
)+alignment_offset
) -
204 smb_base(req
->outbuf
))
205 + params_sent_thistime
+ data_alignment_offset
);
206 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
210 * Copy the param bytes into the packet.
213 if(params_sent_thistime
) {
214 if (alignment_offset
!= 0) {
215 memset(smb_buf(req
->outbuf
), 0,
218 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
219 params_sent_thistime
);
223 * Copy in the data bytes
226 if(data_sent_thistime
) {
227 if (data_alignment_offset
!= 0) {
228 memset((smb_buf(req
->outbuf
)+alignment_offset
+
229 params_sent_thistime
), 0,
230 data_alignment_offset
);
232 memcpy(smb_buf(req
->outbuf
)+alignment_offset
233 +params_sent_thistime
+data_alignment_offset
,
234 pd
,data_sent_thistime
);
237 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
238 params_sent_thistime
, data_sent_thistime
, useable_space
));
239 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
240 params_to_send
, data_to_send
, paramsize
, datasize
));
242 if (NT_STATUS_V(nt_error
)) {
243 error_packet_set((char *)req
->outbuf
,
248 /* Send the packet */
249 show_msg((char *)req
->outbuf
);
250 if (!srv_send_smb(sconn
,
253 IS_CONN_ENCRYPTED(conn
),
255 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
258 TALLOC_FREE(req
->outbuf
);
260 pp
+= params_sent_thistime
;
261 pd
+= data_sent_thistime
;
263 params_to_send
-= params_sent_thistime
;
264 data_to_send
-= data_sent_thistime
;
270 if(params_to_send
< 0 || data_to_send
< 0) {
271 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
272 params_to_send
, data_to_send
));
273 exit_server_cleanly("send_nt_replies: internal error");
278 /****************************************************************************
279 Reply to an NT create and X call on a pipe
280 ****************************************************************************/
282 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
283 struct smb_request
*req
, uint16_t *ppnum
)
288 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
290 /* Strip \\ off the name if present. */
291 while (fname
[0] == '\\') {
295 status
= open_np_file(req
, fname
, &fsp
);
296 if (!NT_STATUS_IS_OK(status
)) {
297 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
298 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
302 reply_nterror(req
, status
);
310 /****************************************************************************
311 Reply to an NT create and X call for pipes.
312 ****************************************************************************/
314 static void do_ntcreate_pipe_open(connection_struct
*conn
,
315 struct smb_request
*req
)
318 uint16_t pnum
= FNUM_FIELD_INVALID
;
320 uint32 flags
= IVAL(req
->vwv
+3, 1);
321 TALLOC_CTX
*ctx
= talloc_tos();
323 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
326 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
330 nt_open_pipe(fname
, conn
, req
, &pnum
);
338 * Deal with pipe return.
341 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
342 /* This is very strange. We
343 * return 50 words, but only set
344 * the wcnt to 42 ? It's definitely
345 * what happens on the wire....
347 reply_outbuf(req
, 50, 0);
348 SCVAL(req
->outbuf
,smb_wct
,42);
350 reply_outbuf(req
, 34, 0);
353 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
354 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
356 p
= (char *)req
->outbuf
+ smb_vwv2
;
360 SIVAL(p
,0,FILE_WAS_OPENED
);
363 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
366 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
368 SSVAL(p
,2, 0x5FF); /* ? */
371 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
373 SIVAL(p
,0,FILE_GENERIC_ALL
);
375 * For pipes W2K3 seems to return
377 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
379 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
382 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
385 struct case_semantics_state
{
386 connection_struct
*conn
;
389 bool short_case_preserve
;
392 /****************************************************************************
393 Restore case semantics.
394 ****************************************************************************/
396 static int restore_case_semantics(struct case_semantics_state
*state
)
398 state
->conn
->case_sensitive
= state
->case_sensitive
;
399 state
->conn
->case_preserve
= state
->case_preserve
;
400 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
404 /****************************************************************************
406 ****************************************************************************/
408 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
409 connection_struct
*conn
)
411 struct case_semantics_state
*result
;
413 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
418 result
->case_sensitive
= conn
->case_sensitive
;
419 result
->case_preserve
= conn
->case_preserve
;
420 result
->short_case_preserve
= conn
->short_case_preserve
;
423 conn
->case_sensitive
= True
;
424 conn
->case_preserve
= True
;
425 conn
->short_case_preserve
= True
;
427 talloc_set_destructor(result
, restore_case_semantics
);
432 /****************************************************************************
433 Reply to an NT create and X call.
434 ****************************************************************************/
436 void reply_ntcreate_and_X(struct smb_request
*req
)
438 connection_struct
*conn
= req
->conn
;
439 struct smb_filename
*smb_fname
= NULL
;
443 uint32 file_attributes
;
445 uint32 create_disposition
;
446 uint32 create_options
;
448 uint64_t allocation_size
;
449 /* Breakout the oplock request bits so we can set the
450 reply bits separately. */
454 files_struct
*fsp
= NULL
;
456 struct timespec create_timespec
;
457 struct timespec c_timespec
;
458 struct timespec a_timespec
;
459 struct timespec m_timespec
;
460 struct timespec write_time_ts
;
463 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
464 struct case_semantics_state
*case_state
= NULL
;
465 TALLOC_CTX
*ctx
= talloc_tos();
467 START_PROFILE(SMBntcreateX
);
470 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
474 flags
= IVAL(req
->vwv
+3, 1);
475 access_mask
= IVAL(req
->vwv
+7, 1);
476 file_attributes
= IVAL(req
->vwv
+13, 1);
477 share_access
= IVAL(req
->vwv
+15, 1);
478 create_disposition
= IVAL(req
->vwv
+17, 1);
479 create_options
= IVAL(req
->vwv
+19, 1);
480 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
482 allocation_size
= BVAL(req
->vwv
+9, 1);
484 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
485 STR_TERMINATE
, &status
);
487 if (!NT_STATUS_IS_OK(status
)) {
488 reply_nterror(req
, status
);
492 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
493 "file_attributes = 0x%x, share_access = 0x%x, "
494 "create_disposition = 0x%x create_options = 0x%x "
495 "root_dir_fid = 0x%x, fname = %s\n",
497 (unsigned int)access_mask
,
498 (unsigned int)file_attributes
,
499 (unsigned int)share_access
,
500 (unsigned int)create_disposition
,
501 (unsigned int)create_options
,
502 (unsigned int)root_dir_fid
,
506 * we need to remove ignored bits when they come directly from the client
507 * because we reuse some of them for internal stuff
509 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
512 * If it's an IPC, use the pipe handler.
516 if (lp_nt_pipe_support()) {
517 do_ntcreate_pipe_open(conn
, req
);
520 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
524 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
525 if (oplock_request
) {
526 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
530 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
531 case_state
= set_posix_case_semantics(ctx
, conn
);
533 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
538 status
= filename_convert(ctx
,
540 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
546 TALLOC_FREE(case_state
);
548 if (!NT_STATUS_IS_OK(status
)) {
549 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
551 NT_STATUS_PATH_NOT_COVERED
,
555 reply_nterror(req
, status
);
560 * Bug #6898 - clients using Windows opens should
561 * never be able to set this attribute into the
564 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
566 status
= SMB_VFS_CREATE_FILE(
569 root_dir_fid
, /* root_dir_fid */
570 smb_fname
, /* fname */
571 access_mask
, /* access_mask */
572 share_access
, /* share_access */
573 create_disposition
, /* create_disposition*/
574 create_options
, /* create_options */
575 file_attributes
, /* file_attributes */
576 oplock_request
, /* oplock_request */
577 allocation_size
, /* allocation_size */
578 0, /* private_flags */
584 if (!NT_STATUS_IS_OK(status
)) {
585 if (open_was_deferred(req
->sconn
, req
->mid
)) {
586 /* We have re-scheduled this call, no error. */
589 reply_openerror(req
, status
);
593 /* Ensure we're pointing at the correct stat struct. */
594 TALLOC_FREE(smb_fname
);
595 smb_fname
= fsp
->fsp_name
;
598 * If the caller set the extended oplock request bit
599 * and we granted one (by whatever means) - set the
600 * correct bit for extended oplock reply.
603 if (oplock_request
&&
604 (lp_fake_oplocks(SNUM(conn
))
605 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
608 * Exclusive oplock granted
611 if (flags
& REQUEST_BATCH_OPLOCK
) {
612 oplock_granted
= BATCH_OPLOCK_RETURN
;
614 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
616 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
617 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
619 oplock_granted
= NO_OPLOCK_RETURN
;
622 file_len
= smb_fname
->st
.st_ex_size
;
624 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
625 /* This is very strange. We
626 * return 50 words, but only set
627 * the wcnt to 42 ? It's definitely
628 * what happens on the wire....
630 reply_outbuf(req
, 50, 0);
631 SCVAL(req
->outbuf
,smb_wct
,42);
633 reply_outbuf(req
, 34, 0);
636 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
637 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
639 p
= (char *)req
->outbuf
+ smb_vwv2
;
641 SCVAL(p
, 0, oplock_granted
);
644 SSVAL(p
,0,fsp
->fnum
);
646 if ((create_disposition
== FILE_SUPERSEDE
)
647 && (info
== FILE_WAS_OVERWRITTEN
)) {
648 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
654 fattr
= dos_mode(conn
, smb_fname
);
656 fattr
= FILE_ATTRIBUTE_NORMAL
;
659 /* Deal with other possible opens having a modified
661 ZERO_STRUCT(write_time_ts
);
662 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
663 if (!null_timespec(write_time_ts
)) {
664 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
668 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
669 a_timespec
= smb_fname
->st
.st_ex_atime
;
670 m_timespec
= smb_fname
->st
.st_ex_mtime
;
671 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
673 if (lp_dos_filetime_resolution(SNUM(conn
))) {
674 dos_filetime_timespec(&create_timespec
);
675 dos_filetime_timespec(&a_timespec
);
676 dos_filetime_timespec(&m_timespec
);
677 dos_filetime_timespec(&c_timespec
);
680 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
682 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
684 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
686 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
688 SIVAL(p
,0,fattr
); /* File Attributes. */
690 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
,fsp
,&smb_fname
->st
));
692 SOFF_T(p
,0,file_len
);
694 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
695 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
696 size_t num_names
= 0;
697 unsigned int num_streams
= 0;
698 struct stream_struct
*streams
= NULL
;
700 /* Do we have any EA's ? */
701 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
702 smb_fname
->base_name
, NULL
, &num_names
);
703 if (NT_STATUS_IS_OK(status
) && num_names
) {
704 file_status
&= ~NO_EAS
;
706 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
707 &num_streams
, &streams
);
708 /* There is always one stream, ::$DATA. */
709 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
710 file_status
&= ~NO_SUBSTREAMS
;
712 TALLOC_FREE(streams
);
713 SSVAL(p
,2,file_status
);
716 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
718 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
721 if (fsp
->is_directory
||
723 can_write_to_file(conn
, smb_fname
)) {
724 perms
= FILE_GENERIC_ALL
;
726 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
731 DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
732 fsp_fnum_dbg(fsp
), smb_fname_str_dbg(smb_fname
)));
735 END_PROFILE(SMBntcreateX
);
739 /****************************************************************************
740 Reply to a NT_TRANSACT_CREATE call to open a pipe.
741 ****************************************************************************/
743 static void do_nt_transact_create_pipe(connection_struct
*conn
,
744 struct smb_request
*req
,
745 uint16
**ppsetup
, uint32 setup_count
,
746 char **ppparams
, uint32 parameter_count
,
747 char **ppdata
, uint32 data_count
)
750 char *params
= *ppparams
;
751 uint16_t pnum
= FNUM_FIELD_INVALID
;
756 TALLOC_CTX
*ctx
= talloc_tos();
759 * Ensure minimum number of parameters sent.
762 if(parameter_count
< 54) {
763 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
764 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
768 flags
= IVAL(params
,0);
770 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
, params
+53,
771 parameter_count
-53, STR_TERMINATE
,
773 if (!NT_STATUS_IS_OK(status
)) {
774 reply_nterror(req
, status
);
778 nt_open_pipe(fname
, conn
, req
, &pnum
);
785 /* Realloc the size of parameters and data we will return */
786 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
787 /* Extended response is 32 more byyes. */
792 params
= nttrans_realloc(ppparams
, param_len
);
794 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
799 SCVAL(p
,0,NO_OPLOCK_RETURN
);
804 SIVAL(p
,0,FILE_WAS_OPENED
);
808 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
811 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
813 SSVAL(p
,2, 0x5FF); /* ? */
816 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
818 SIVAL(p
,0,FILE_GENERIC_ALL
);
820 * For pipes W2K3 seems to return
822 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
824 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
827 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
829 /* Send the required number of replies */
830 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
835 /*********************************************************************
836 Windows seems to do canonicalization of inheritance bits. Do the
838 *********************************************************************/
840 static void canonicalize_inheritance_bits(struct security_descriptor
*psd
)
842 bool set_auto_inherited
= false;
845 * We need to filter out the
846 * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
847 * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
848 * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
849 * when an ACE is inherited. Otherwise we zero these bits out.
852 * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
857 if ((psd
->type
& (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
))
858 == (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
)) {
859 set_auto_inherited
= true;
862 psd
->type
&= ~(SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
);
863 if (set_auto_inherited
) {
864 psd
->type
|= SEC_DESC_DACL_AUTO_INHERITED
;
868 /****************************************************************************
869 Internal fn to set security descriptors.
870 ****************************************************************************/
872 NTSTATUS
set_sd(files_struct
*fsp
, struct security_descriptor
*psd
,
873 uint32_t security_info_sent
)
877 if (!CAN_WRITE(fsp
->conn
)) {
878 return NT_STATUS_ACCESS_DENIED
;
881 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
885 if (psd
->owner_sid
== NULL
) {
886 security_info_sent
&= ~SECINFO_OWNER
;
888 if (psd
->group_sid
== NULL
) {
889 security_info_sent
&= ~SECINFO_GROUP
;
892 /* Ensure we have at least one thing set. */
893 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
898 /* Ensure we have the rights to do this. */
899 if (security_info_sent
& SECINFO_OWNER
) {
900 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
901 return NT_STATUS_ACCESS_DENIED
;
905 if (security_info_sent
& SECINFO_GROUP
) {
906 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
907 return NT_STATUS_ACCESS_DENIED
;
911 if (security_info_sent
& SECINFO_DACL
) {
912 if (!(fsp
->access_mask
& SEC_STD_WRITE_DAC
)) {
913 return NT_STATUS_ACCESS_DENIED
;
915 /* Convert all the generic bits. */
917 security_acl_map_generic(psd
->dacl
, &file_generic_mapping
);
921 if (security_info_sent
& SECINFO_SACL
) {
922 if (!(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
923 return NT_STATUS_ACCESS_DENIED
;
925 /* Convert all the generic bits. */
927 security_acl_map_generic(psd
->sacl
, &file_generic_mapping
);
931 canonicalize_inheritance_bits(psd
);
933 if (DEBUGLEVEL
>= 10) {
934 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp
)));
935 NDR_PRINT_DEBUG(security_descriptor
, psd
);
938 status
= SMB_VFS_FSET_NT_ACL(fsp
, security_info_sent
, psd
);
945 /****************************************************************************
946 Internal fn to set security descriptors from a data blob.
947 ****************************************************************************/
949 NTSTATUS
set_sd_blob(files_struct
*fsp
, uint8_t *data
, uint32_t sd_len
,
950 uint32_t security_info_sent
)
952 struct security_descriptor
*psd
= NULL
;
956 return NT_STATUS_INVALID_PARAMETER
;
959 status
= unmarshall_sec_desc(talloc_tos(), data
, sd_len
, &psd
);
961 if (!NT_STATUS_IS_OK(status
)) {
965 return set_sd(fsp
, psd
, security_info_sent
);
968 /****************************************************************************
969 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
970 ****************************************************************************/
972 static void call_nt_transact_create(connection_struct
*conn
,
973 struct smb_request
*req
,
974 uint16
**ppsetup
, uint32 setup_count
,
975 char **ppparams
, uint32 parameter_count
,
976 char **ppdata
, uint32 data_count
,
977 uint32 max_data_count
)
979 struct smb_filename
*smb_fname
= NULL
;
981 char *params
= *ppparams
;
982 char *data
= *ppdata
;
983 /* Breakout the oplock request bits so we can set the reply bits separately. */
987 files_struct
*fsp
= NULL
;
991 uint32 file_attributes
;
993 uint32 create_disposition
;
994 uint32 create_options
;
996 struct security_descriptor
*sd
= NULL
;
999 struct timespec create_timespec
;
1000 struct timespec c_timespec
;
1001 struct timespec a_timespec
;
1002 struct timespec m_timespec
;
1003 struct timespec write_time_ts
;
1004 struct ea_list
*ea_list
= NULL
;
1007 uint64_t allocation_size
;
1009 uint8_t oplock_granted
;
1010 struct case_semantics_state
*case_state
= NULL
;
1011 TALLOC_CTX
*ctx
= talloc_tos();
1013 DEBUG(5,("call_nt_transact_create\n"));
1016 * If it's an IPC, use the pipe handler.
1020 if (lp_nt_pipe_support()) {
1021 do_nt_transact_create_pipe(
1023 ppsetup
, setup_count
,
1024 ppparams
, parameter_count
,
1025 ppdata
, data_count
);
1028 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1033 * Ensure minimum number of parameters sent.
1036 if(parameter_count
< 54) {
1037 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1038 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1042 flags
= IVAL(params
,0);
1043 access_mask
= IVAL(params
,8);
1044 file_attributes
= IVAL(params
,20);
1045 share_access
= IVAL(params
,24);
1046 create_disposition
= IVAL(params
,28);
1047 create_options
= IVAL(params
,32);
1048 sd_len
= IVAL(params
,36);
1049 ea_len
= IVAL(params
,40);
1050 root_dir_fid
= (uint16
)IVAL(params
,4);
1051 allocation_size
= BVAL(params
,12);
1054 * we need to remove ignored bits when they come directly from the client
1055 * because we reuse some of them for internal stuff
1057 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1059 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1060 params
+53, parameter_count
-53,
1061 STR_TERMINATE
, &status
);
1062 if (!NT_STATUS_IS_OK(status
)) {
1063 reply_nterror(req
, status
);
1067 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1068 case_state
= set_posix_case_semantics(ctx
, conn
);
1070 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1075 status
= filename_convert(ctx
,
1077 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1079 UCF_PREP_CREATEFILE
,
1083 TALLOC_FREE(case_state
);
1085 if (!NT_STATUS_IS_OK(status
)) {
1086 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1087 reply_botherror(req
,
1088 NT_STATUS_PATH_NOT_COVERED
,
1089 ERRSRV
, ERRbadpath
);
1092 reply_nterror(req
, status
);
1096 /* Ensure the data_len is correct for the sd and ea values given. */
1097 if ((ea_len
+ sd_len
> data_count
)
1098 || (ea_len
> data_count
) || (sd_len
> data_count
)
1099 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1100 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1101 "%u, data_count = %u\n", (unsigned int)ea_len
,
1102 (unsigned int)sd_len
, (unsigned int)data_count
));
1103 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1108 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1111 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1113 if (!NT_STATUS_IS_OK(status
)) {
1114 DEBUG(10, ("call_nt_transact_create: "
1115 "unmarshall_sec_desc failed: %s\n",
1116 nt_errstr(status
)));
1117 reply_nterror(req
, status
);
1123 if (!lp_ea_support(SNUM(conn
))) {
1124 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1125 "EA's not supported.\n",
1126 (unsigned int)ea_len
));
1127 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1132 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1133 "too small (should be more than 10)\n",
1134 (unsigned int)ea_len
));
1135 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1139 /* We have already checked that ea_len <= data_count here. */
1140 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1142 if (ea_list
== NULL
) {
1143 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1147 if (ea_list_has_invalid_name(ea_list
)) {
1148 /* Realloc the size of parameters and data we will return */
1149 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1150 /* Extended response is 32 more byyes. */
1155 params
= nttrans_realloc(ppparams
, param_len
);
1156 if(params
== NULL
) {
1157 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1161 memset(params
, '\0', param_len
);
1162 send_nt_replies(conn
, req
, STATUS_INVALID_EA_NAME
,
1163 params
, param_len
, NULL
, 0);
1168 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1169 if (oplock_request
) {
1170 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1175 * Bug #6898 - clients using Windows opens should
1176 * never be able to set this attribute into the
1179 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1181 status
= SMB_VFS_CREATE_FILE(
1184 root_dir_fid
, /* root_dir_fid */
1185 smb_fname
, /* fname */
1186 access_mask
, /* access_mask */
1187 share_access
, /* share_access */
1188 create_disposition
, /* create_disposition*/
1189 create_options
, /* create_options */
1190 file_attributes
, /* file_attributes */
1191 oplock_request
, /* oplock_request */
1192 allocation_size
, /* allocation_size */
1193 0, /* private_flags */
1195 ea_list
, /* ea_list */
1199 if(!NT_STATUS_IS_OK(status
)) {
1200 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1201 /* We have re-scheduled this call, no error. */
1204 reply_openerror(req
, status
);
1208 /* Ensure we're pointing at the correct stat struct. */
1209 TALLOC_FREE(smb_fname
);
1210 smb_fname
= fsp
->fsp_name
;
1213 * If the caller set the extended oplock request bit
1214 * and we granted one (by whatever means) - set the
1215 * correct bit for extended oplock reply.
1218 if (oplock_request
&&
1219 (lp_fake_oplocks(SNUM(conn
))
1220 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1223 * Exclusive oplock granted
1226 if (flags
& REQUEST_BATCH_OPLOCK
) {
1227 oplock_granted
= BATCH_OPLOCK_RETURN
;
1229 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1231 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1232 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1234 oplock_granted
= NO_OPLOCK_RETURN
;
1237 file_len
= smb_fname
->st
.st_ex_size
;
1239 /* Realloc the size of parameters and data we will return */
1240 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1241 /* Extended response is 32 more byyes. */
1246 params
= nttrans_realloc(ppparams
, param_len
);
1247 if(params
== NULL
) {
1248 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1253 SCVAL(p
, 0, oplock_granted
);
1256 SSVAL(p
,0,fsp
->fnum
);
1258 if ((create_disposition
== FILE_SUPERSEDE
)
1259 && (info
== FILE_WAS_OVERWRITTEN
)) {
1260 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1266 fattr
= dos_mode(conn
, smb_fname
);
1268 fattr
= FILE_ATTRIBUTE_NORMAL
;
1271 /* Deal with other possible opens having a modified
1273 ZERO_STRUCT(write_time_ts
);
1274 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
1275 if (!null_timespec(write_time_ts
)) {
1276 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1280 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1281 a_timespec
= smb_fname
->st
.st_ex_atime
;
1282 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1283 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1285 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1286 dos_filetime_timespec(&create_timespec
);
1287 dos_filetime_timespec(&a_timespec
);
1288 dos_filetime_timespec(&m_timespec
);
1289 dos_filetime_timespec(&c_timespec
);
1292 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1294 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1296 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1298 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1300 SIVAL(p
,0,fattr
); /* File Attributes. */
1302 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1304 SOFF_T(p
,0,file_len
);
1306 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1307 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
1308 size_t num_names
= 0;
1309 unsigned int num_streams
= 0;
1310 struct stream_struct
*streams
= NULL
;
1312 /* Do we have any EA's ? */
1313 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
1314 smb_fname
->base_name
, NULL
, &num_names
);
1315 if (NT_STATUS_IS_OK(status
) && num_names
) {
1316 file_status
&= ~NO_EAS
;
1318 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
1319 &num_streams
, &streams
);
1320 /* There is always one stream, ::$DATA. */
1321 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
1322 file_status
&= ~NO_SUBSTREAMS
;
1324 TALLOC_FREE(streams
);
1325 SSVAL(p
,2,file_status
);
1328 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1330 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1333 if (fsp
->is_directory
||
1335 can_write_to_file(conn
, smb_fname
)) {
1336 perms
= FILE_GENERIC_ALL
;
1338 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1343 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1344 smb_fname_str_dbg(smb_fname
)));
1346 /* Send the required number of replies */
1347 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1352 /****************************************************************************
1353 Reply to a NT CANCEL request.
1354 conn POINTER CAN BE NULL HERE !
1355 ****************************************************************************/
1357 void reply_ntcancel(struct smb_request
*req
)
1360 * Go through and cancel any pending change notifies.
1363 START_PROFILE(SMBntcancel
);
1364 srv_cancel_sign_response(req
->sconn
);
1365 remove_pending_change_notify_requests_by_mid(req
->sconn
, req
->mid
);
1366 remove_pending_lock_requests_by_mid_smb1(req
->sconn
, req
->mid
);
1368 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1369 (unsigned long long)req
->mid
));
1371 END_PROFILE(SMBntcancel
);
1375 /****************************************************************************
1377 ****************************************************************************/
1379 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1380 connection_struct
*conn
,
1381 struct smb_request
*req
,
1382 struct smb_filename
*smb_fname_src
,
1383 struct smb_filename
*smb_fname_dst
,
1386 files_struct
*fsp1
,*fsp2
;
1390 NTSTATUS status
= NT_STATUS_OK
;
1393 if (!CAN_WRITE(conn
)) {
1394 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1398 /* Source must already exist. */
1399 if (!VALID_STAT(smb_fname_src
->st
)) {
1400 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1404 /* Ensure attributes match. */
1405 fattr
= dos_mode(conn
, smb_fname_src
);
1406 if ((fattr
& ~attrs
) & (FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
)) {
1407 status
= NT_STATUS_NO_SUCH_FILE
;
1411 /* Disallow if dst file already exists. */
1412 if (VALID_STAT(smb_fname_dst
->st
)) {
1413 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1417 /* No links from a directory. */
1418 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1419 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1423 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1424 smb_fname_str_dbg(smb_fname_src
),
1425 smb_fname_str_dbg(smb_fname_dst
)));
1427 status
= SMB_VFS_CREATE_FILE(
1430 0, /* root_dir_fid */
1431 smb_fname_src
, /* fname */
1432 FILE_READ_DATA
|FILE_READ_ATTRIBUTES
|
1433 FILE_READ_EA
, /* access_mask */
1434 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1436 FILE_OPEN
, /* create_disposition*/
1437 0, /* create_options */
1438 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1439 NO_OPLOCK
, /* oplock_request */
1440 0, /* allocation_size */
1441 0, /* private_flags */
1447 if (!NT_STATUS_IS_OK(status
)) {
1451 status
= SMB_VFS_CREATE_FILE(
1454 0, /* root_dir_fid */
1455 smb_fname_dst
, /* fname */
1456 FILE_WRITE_DATA
|FILE_WRITE_ATTRIBUTES
|
1457 FILE_WRITE_EA
, /* access_mask */
1458 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1460 FILE_CREATE
, /* create_disposition*/
1461 0, /* create_options */
1462 fattr
, /* file_attributes */
1463 NO_OPLOCK
, /* oplock_request */
1464 0, /* allocation_size */
1465 0, /* private_flags */
1471 if (!NT_STATUS_IS_OK(status
)) {
1472 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1476 if (smb_fname_src
->st
.st_ex_size
) {
1477 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1481 * As we are opening fsp1 read-only we only expect
1482 * an error on close on fsp2 if we are out of space.
1483 * Thus we don't look at the error return from the
1486 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1488 /* Ensure the modtime is set correctly on the destination file. */
1489 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1491 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1493 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1494 creates the file. This isn't the correct thing to do in the copy
1496 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1498 status
= NT_STATUS_NO_MEMORY
;
1501 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1502 TALLOC_FREE(parent
);
1504 if (ret
< (off_t
)smb_fname_src
->st
.st_ex_size
) {
1505 status
= NT_STATUS_DISK_FULL
;
1509 if (!NT_STATUS_IS_OK(status
)) {
1510 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1511 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1512 smb_fname_str_dbg(smb_fname_dst
)));
1518 /****************************************************************************
1519 Reply to a NT rename request.
1520 ****************************************************************************/
1522 void reply_ntrename(struct smb_request
*req
)
1524 connection_struct
*conn
= req
->conn
;
1525 struct smb_filename
*smb_fname_old
= NULL
;
1526 struct smb_filename
*smb_fname_new
= NULL
;
1527 char *oldname
= NULL
;
1528 char *newname
= NULL
;
1531 bool src_has_wcard
= False
;
1532 bool dest_has_wcard
= False
;
1534 uint32_t ucf_flags_src
= 0;
1535 uint32_t ucf_flags_dst
= 0;
1537 TALLOC_CTX
*ctx
= talloc_tos();
1538 bool stream_rename
= false;
1540 START_PROFILE(SMBntrename
);
1543 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1547 attrs
= SVAL(req
->vwv
+0, 0);
1548 rename_type
= SVAL(req
->vwv
+1, 0);
1550 p
= (const char *)req
->buf
+ 1;
1551 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1552 &status
, &src_has_wcard
);
1553 if (!NT_STATUS_IS_OK(status
)) {
1554 reply_nterror(req
, status
);
1558 if (ms_has_wild(oldname
)) {
1559 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1564 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1565 &status
, &dest_has_wcard
);
1566 if (!NT_STATUS_IS_OK(status
)) {
1567 reply_nterror(req
, status
);
1571 if (!lp_posix_pathnames()) {
1572 /* The newname must begin with a ':' if the
1573 oldname contains a ':'. */
1574 if (strchr_m(oldname
, ':')) {
1575 if (newname
[0] != ':') {
1576 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1579 stream_rename
= true;
1584 * If this is a rename operation, allow wildcards and save the
1585 * destination's last component.
1587 if (rename_type
== RENAME_FLAG_RENAME
) {
1588 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1589 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1592 /* rename_internals() calls unix_convert(), so don't call it here. */
1593 status
= filename_convert(ctx
, conn
,
1594 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1599 if (!NT_STATUS_IS_OK(status
)) {
1600 if (NT_STATUS_EQUAL(status
,
1601 NT_STATUS_PATH_NOT_COVERED
)) {
1602 reply_botherror(req
,
1603 NT_STATUS_PATH_NOT_COVERED
,
1604 ERRSRV
, ERRbadpath
);
1607 reply_nterror(req
, status
);
1611 status
= filename_convert(ctx
, conn
,
1612 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1617 if (!NT_STATUS_IS_OK(status
)) {
1618 if (NT_STATUS_EQUAL(status
,
1619 NT_STATUS_PATH_NOT_COVERED
)) {
1620 reply_botherror(req
,
1621 NT_STATUS_PATH_NOT_COVERED
,
1622 ERRSRV
, ERRbadpath
);
1625 reply_nterror(req
, status
);
1629 if (stream_rename
) {
1630 /* smb_fname_new must be the same as smb_fname_old. */
1631 TALLOC_FREE(smb_fname_new
->base_name
);
1632 smb_fname_new
->base_name
= talloc_strdup(smb_fname_new
,
1633 smb_fname_old
->base_name
);
1634 if (!smb_fname_new
->base_name
) {
1635 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1640 DEBUG(3,("reply_ntrename: %s -> %s\n",
1641 smb_fname_str_dbg(smb_fname_old
),
1642 smb_fname_str_dbg(smb_fname_new
)));
1644 switch(rename_type
) {
1645 case RENAME_FLAG_RENAME
:
1646 status
= rename_internals(ctx
, conn
, req
,
1647 smb_fname_old
, smb_fname_new
,
1648 attrs
, False
, src_has_wcard
,
1652 case RENAME_FLAG_HARD_LINK
:
1653 if (src_has_wcard
|| dest_has_wcard
) {
1655 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1657 status
= hardlink_internals(ctx
, conn
,
1664 case RENAME_FLAG_COPY
:
1665 if (src_has_wcard
|| dest_has_wcard
) {
1667 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1669 status
= copy_internals(ctx
, conn
, req
,
1675 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1676 status
= NT_STATUS_INVALID_PARAMETER
;
1679 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1683 if (!NT_STATUS_IS_OK(status
)) {
1684 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1685 /* We have re-scheduled this call. */
1689 reply_nterror(req
, status
);
1693 reply_outbuf(req
, 0, 0);
1695 END_PROFILE(SMBntrename
);
1699 /****************************************************************************
1700 Reply to a notify change - queue the request and
1701 don't allow a directory to be opened.
1702 ****************************************************************************/
1704 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1705 NTSTATUS error_code
,
1706 uint8_t *buf
, size_t len
)
1708 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1711 static void call_nt_transact_notify_change(connection_struct
*conn
,
1712 struct smb_request
*req
,
1716 uint32 parameter_count
,
1717 char **ppdata
, uint32 data_count
,
1718 uint32 max_data_count
,
1719 uint32 max_param_count
)
1721 uint16
*setup
= *ppsetup
;
1727 if(setup_count
< 6) {
1728 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1732 fsp
= file_fsp(req
, SVAL(setup
,4));
1733 filter
= IVAL(setup
, 0);
1734 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1736 DEBUG(3,("call_nt_transact_notify_change\n"));
1739 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1744 char *filter_string
;
1746 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1747 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1751 DEBUG(3,("call_nt_transact_notify_change: notify change "
1752 "called on %s, filter = %s, recursive = %d\n",
1753 fsp_str_dbg(fsp
), filter_string
, recursive
));
1755 TALLOC_FREE(filter_string
);
1758 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1759 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1763 if (fsp
->notify
== NULL
) {
1765 status
= change_notify_create(fsp
, filter
, recursive
);
1767 if (!NT_STATUS_IS_OK(status
)) {
1768 DEBUG(10, ("change_notify_create returned %s\n",
1769 nt_errstr(status
)));
1770 reply_nterror(req
, status
);
1775 if (change_notify_fsp_has_changes(fsp
)) {
1778 * We've got changes pending, respond immediately
1782 * TODO: write a torture test to check the filtering behaviour
1786 change_notify_reply(req
,
1790 smbd_smb1_notify_reply
);
1793 * change_notify_reply() above has independently sent its
1800 * No changes pending, queue the request
1803 status
= change_notify_add_request(req
,
1807 smbd_smb1_notify_reply
);
1808 if (!NT_STATUS_IS_OK(status
)) {
1809 reply_nterror(req
, status
);
1814 /****************************************************************************
1815 Reply to an NT transact rename command.
1816 ****************************************************************************/
1818 static void call_nt_transact_rename(connection_struct
*conn
,
1819 struct smb_request
*req
,
1820 uint16
**ppsetup
, uint32 setup_count
,
1821 char **ppparams
, uint32 parameter_count
,
1822 char **ppdata
, uint32 data_count
,
1823 uint32 max_data_count
)
1825 char *params
= *ppparams
;
1826 char *new_name
= NULL
;
1827 files_struct
*fsp
= NULL
;
1828 bool dest_has_wcard
= False
;
1830 TALLOC_CTX
*ctx
= talloc_tos();
1832 if(parameter_count
< 5) {
1833 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1837 fsp
= file_fsp(req
, SVAL(params
, 0));
1838 if (!check_fsp(conn
, req
, fsp
)) {
1841 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1842 parameter_count
- 4,
1843 STR_TERMINATE
, &status
, &dest_has_wcard
);
1844 if (!NT_STATUS_IS_OK(status
)) {
1845 reply_nterror(req
, status
);
1850 * W2K3 ignores this request as the RAW-RENAME test
1851 * demonstrates, so we do.
1853 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1855 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1856 fsp_str_dbg(fsp
), new_name
));
1861 /******************************************************************************
1862 Fake up a completely empty SD.
1863 *******************************************************************************/
1865 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppsd
)
1869 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1871 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1872 return NT_STATUS_NO_MEMORY
;
1875 return NT_STATUS_OK
;
1878 /****************************************************************************
1879 Reply to query a security descriptor.
1880 Callable from SMB2 and SMB2.
1881 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1883 ****************************************************************************/
1885 NTSTATUS
smbd_do_query_security_desc(connection_struct
*conn
,
1886 TALLOC_CTX
*mem_ctx
,
1888 uint32_t security_info_wanted
,
1889 uint32_t max_data_count
,
1890 uint8_t **ppmarshalled_sd
,
1894 struct security_descriptor
*psd
= NULL
;
1895 TALLOC_CTX
*frame
= talloc_stackframe();
1898 * Get the permissions to return.
1901 if ((security_info_wanted
& SECINFO_SACL
) &&
1902 !(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
1903 DEBUG(10, ("Access to SACL denied.\n"));
1905 return NT_STATUS_ACCESS_DENIED
;
1908 if ((security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|SECINFO_GROUP
)) &&
1909 !(fsp
->access_mask
& SEC_STD_READ_CONTROL
)) {
1910 DEBUG(10, ("Access to DACL, OWNER, or GROUP denied.\n"));
1912 return NT_STATUS_ACCESS_DENIED
;
1915 if (security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|
1916 SECINFO_GROUP
|SECINFO_SACL
)) {
1917 /* Don't return SECINFO_LABEL if anything else was
1918 requested. See bug #8458. */
1919 security_info_wanted
&= ~SECINFO_LABEL
;
1922 if (!lp_nt_acl_support(SNUM(conn
))) {
1923 status
= get_null_nt_acl(frame
, &psd
);
1924 } else if (security_info_wanted
& SECINFO_LABEL
) {
1925 /* Like W2K3 return a null object. */
1926 status
= get_null_nt_acl(frame
, &psd
);
1928 status
= SMB_VFS_FGET_NT_ACL(
1929 fsp
, security_info_wanted
, frame
, &psd
);
1931 if (!NT_STATUS_IS_OK(status
)) {
1936 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1937 psd
->owner_sid
= NULL
;
1939 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1940 psd
->group_sid
= NULL
;
1942 if (!(security_info_wanted
& SECINFO_DACL
)) {
1943 psd
->type
&= ~SEC_DESC_DACL_PRESENT
;
1946 if (!(security_info_wanted
& SECINFO_SACL
)) {
1947 psd
->type
&= ~SEC_DESC_SACL_PRESENT
;
1951 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1952 * present in the reply to match Windows behavior */
1953 if (psd
->sacl
== NULL
&&
1954 security_info_wanted
& SECINFO_SACL
)
1955 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1956 if (psd
->dacl
== NULL
&&
1957 security_info_wanted
& SECINFO_DACL
)
1958 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1960 if (security_info_wanted
& SECINFO_LABEL
) {
1961 /* Like W2K3 return a null object. */
1962 psd
->owner_sid
= NULL
;
1963 psd
->group_sid
= NULL
;
1966 psd
->type
&= ~(SEC_DESC_DACL_PRESENT
|SEC_DESC_SACL_PRESENT
);
1969 *psd_size
= ndr_size_security_descriptor(psd
, 0);
1971 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1972 (unsigned long)*psd_size
));
1974 if (DEBUGLEVEL
>= 10) {
1975 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1977 NDR_PRINT_DEBUG(security_descriptor
, psd
);
1980 if (max_data_count
< *psd_size
) {
1982 return NT_STATUS_BUFFER_TOO_SMALL
;
1985 status
= marshall_sec_desc(mem_ctx
, psd
,
1986 ppmarshalled_sd
, psd_size
);
1988 if (!NT_STATUS_IS_OK(status
)) {
1994 return NT_STATUS_OK
;
1997 /****************************************************************************
1998 SMB1 reply to query a security descriptor.
1999 ****************************************************************************/
2001 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
2002 struct smb_request
*req
,
2006 uint32 parameter_count
,
2009 uint32 max_data_count
)
2011 char *params
= *ppparams
;
2012 char *data
= *ppdata
;
2014 uint32 security_info_wanted
;
2015 files_struct
*fsp
= NULL
;
2017 uint8_t *marshalled_sd
= NULL
;
2019 if(parameter_count
< 8) {
2020 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2024 fsp
= file_fsp(req
, SVAL(params
,0));
2026 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2030 security_info_wanted
= IVAL(params
,4);
2032 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2033 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
2034 (unsigned int)security_info_wanted
));
2036 params
= nttrans_realloc(ppparams
, 4);
2037 if(params
== NULL
) {
2038 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2043 * Get the permissions to return.
2046 status
= smbd_do_query_security_desc(conn
,
2049 security_info_wanted
,
2054 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
2055 SIVAL(params
,0,(uint32_t)sd_size
);
2056 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2057 params
, 4, NULL
, 0);
2061 if (!NT_STATUS_IS_OK(status
)) {
2062 reply_nterror(req
, status
);
2066 SMB_ASSERT(sd_size
> 0);
2068 SIVAL(params
,0,(uint32_t)sd_size
);
2070 if (max_data_count
< sd_size
) {
2071 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2072 params
, 4, NULL
, 0);
2077 * Allocate the data we will return.
2080 data
= nttrans_realloc(ppdata
, sd_size
);
2082 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2086 memcpy(data
, marshalled_sd
, sd_size
);
2088 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
2093 /****************************************************************************
2094 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2095 ****************************************************************************/
2097 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
2098 struct smb_request
*req
,
2102 uint32 parameter_count
,
2105 uint32 max_data_count
)
2107 char *params
= *ppparams
;
2108 char *data
= *ppdata
;
2109 files_struct
*fsp
= NULL
;
2110 uint32 security_info_sent
= 0;
2113 if(parameter_count
< 8) {
2114 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2118 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
2119 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2123 if (!CAN_WRITE(fsp
->conn
)) {
2124 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2128 if(!lp_nt_acl_support(SNUM(conn
))) {
2132 security_info_sent
= IVAL(params
,4);
2134 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2135 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
2137 if (data_count
== 0) {
2138 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2142 status
= set_sd_blob(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
2144 if (!NT_STATUS_IS_OK(status
)) {
2145 reply_nterror(req
, status
);
2150 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2154 /****************************************************************************
2156 ****************************************************************************/
2158 static void call_nt_transact_ioctl(connection_struct
*conn
,
2159 struct smb_request
*req
,
2160 uint16
**ppsetup
, uint32 setup_count
,
2161 char **ppparams
, uint32 parameter_count
,
2162 char **ppdata
, uint32 data_count
,
2163 uint32 max_data_count
)
2171 char *out_data
= NULL
;
2172 uint32 out_data_len
= 0;
2173 char *pdata
= *ppdata
;
2174 TALLOC_CTX
*ctx
= talloc_tos();
2176 if (setup_count
!= 8) {
2177 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
2178 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2182 function
= IVAL(*ppsetup
, 0);
2183 fidnum
= SVAL(*ppsetup
, 4);
2184 isFSctl
= CVAL(*ppsetup
, 6);
2185 compfilter
= CVAL(*ppsetup
, 7);
2187 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2188 function
, fidnum
, isFSctl
, compfilter
));
2190 fsp
=file_fsp(req
, fidnum
);
2193 * We don't really implement IOCTLs, especially on files.
2196 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2198 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2202 /* Has to be for an open file! */
2203 if (!check_fsp_open(conn
, req
, fsp
)) {
2207 SMB_PERFCOUNT_SET_IOCTL(&req
->pcd
, function
);
2210 * out_data might be allocated by the VFS module, but talloc should be
2211 * used, and should be cleaned up when the request ends.
2213 status
= SMB_VFS_FSCTL(fsp
,
2219 (uint8_t **)&out_data
,
2222 if (!NT_STATUS_IS_OK(status
)) {
2223 reply_nterror(req
, status
);
2225 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, out_data
, out_data_len
);
2230 #ifdef HAVE_SYS_QUOTAS
2231 /****************************************************************************
2232 Reply to get user quota
2233 ****************************************************************************/
2235 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2236 struct smb_request
*req
,
2240 uint32 parameter_count
,
2243 uint32 max_data_count
)
2245 NTSTATUS nt_status
= NT_STATUS_OK
;
2246 char *params
= *ppparams
;
2247 char *pdata
= *ppdata
;
2249 int data_len
=0,param_len
=0;
2252 files_struct
*fsp
= NULL
;
2256 bool start_enum
= True
;
2257 SMB_NTQUOTA_STRUCT qt
;
2258 SMB_NTQUOTA_LIST
*tmp_list
;
2259 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2264 if (get_current_uid(conn
) != 0) {
2265 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2266 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn
)),
2267 conn
->session_info
->unix_info
->unix_name
));
2268 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2273 * Ensure minimum number of parameters sent.
2276 if (parameter_count
< 4) {
2277 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2278 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2282 /* maybe we can check the quota_fnum */
2283 fsp
= file_fsp(req
, SVAL(params
,0));
2284 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2285 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2286 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2290 /* the NULL pointer checking for fsp->fake_file_handle->pd
2291 * is done by CHECK_NTQUOTA_HANDLE_OK()
2293 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2295 level
= SVAL(params
,2);
2297 /* unknown 12 bytes leading in params */
2300 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2301 /* seems that we should continue with the enum here --metze */
2303 if (qt_handle
->quota_list
!=NULL
&&
2304 qt_handle
->tmp_list
==NULL
) {
2307 free_ntquota_list(&(qt_handle
->quota_list
));
2309 /* Realloc the size of parameters and data we will return */
2311 params
= nttrans_realloc(ppparams
, param_len
);
2312 if(params
== NULL
) {
2313 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2318 SIVAL(params
,0,data_len
);
2325 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2327 if (qt_handle
->quota_list
==NULL
&&
2328 qt_handle
->tmp_list
==NULL
) {
2332 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2333 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2337 /* Realloc the size of parameters and data we will return */
2339 params
= nttrans_realloc(ppparams
, param_len
);
2340 if(params
== NULL
) {
2341 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2345 /* we should not trust the value in max_data_count*/
2346 max_data_count
= MIN(max_data_count
,2048);
2348 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2350 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2356 /* set params Size of returned Quota Data 4 bytes*/
2357 /* but set it later when we know it */
2359 /* for each entry push the data */
2362 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2365 tmp_list
= qt_handle
->tmp_list
;
2367 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2368 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2370 sid_len
= ndr_size_dom_sid(
2371 &tmp_list
->quotas
->sid
, 0);
2372 entry_len
= 40 + sid_len
;
2374 /* nextoffset entry 4 bytes */
2375 SIVAL(entry
,0,entry_len
);
2377 /* then the len of the SID 4 bytes */
2378 SIVAL(entry
,4,sid_len
);
2380 /* unknown data 8 bytes uint64_t */
2381 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2383 /* the used disk space 8 bytes uint64_t */
2384 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2386 /* the soft quotas 8 bytes uint64_t */
2387 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2389 /* the hard quotas 8 bytes uint64_t */
2390 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2392 /* and now the SID */
2393 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2396 qt_handle
->tmp_list
= tmp_list
;
2398 /* overwrite the offset of the last entry */
2399 SIVAL(entry
-entry_len
,0,0);
2401 data_len
= 4+qt_len
;
2402 /* overwrite the params quota_data_len */
2403 SIVAL(params
,0,data_len
);
2407 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2409 /* unknown 4 bytes IVAL(pdata,0) */
2411 if (data_count
< 8) {
2412 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2413 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2417 sid_len
= IVAL(pdata
,4);
2418 /* Ensure this is less than 1mb. */
2419 if (sid_len
> (1024*1024)) {
2420 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2424 if (data_count
< 8+sid_len
) {
2425 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2426 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2430 data_len
= 4+40+sid_len
;
2432 if (max_data_count
< data_len
) {
2433 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2434 max_data_count
, data_len
));
2436 SIVAL(params
,0,data_len
);
2438 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2442 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2443 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2447 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2450 * we have to return zero's in all fields
2451 * instead of returning an error here
2456 /* Realloc the size of parameters and data we will return */
2458 params
= nttrans_realloc(ppparams
, param_len
);
2459 if(params
== NULL
) {
2460 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2464 pdata
= nttrans_realloc(ppdata
, data_len
);
2466 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2472 /* set params Size of returned Quota Data 4 bytes*/
2473 SIVAL(params
,0,data_len
);
2475 /* nextoffset entry 4 bytes */
2478 /* then the len of the SID 4 bytes */
2479 SIVAL(entry
,4,sid_len
);
2481 /* unknown data 8 bytes uint64_t */
2482 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2484 /* the used disk space 8 bytes uint64_t */
2485 SBIG_UINT(entry
,16,qt
.usedspace
);
2487 /* the soft quotas 8 bytes uint64_t */
2488 SBIG_UINT(entry
,24,qt
.softlim
);
2490 /* the hard quotas 8 bytes uint64_t */
2491 SBIG_UINT(entry
,32,qt
.hardlim
);
2493 /* and now the SID */
2494 sid_linearize(entry
+40, sid_len
, &sid
);
2499 DEBUG(0, ("do_nt_transact_get_user_quota: %s: unknown "
2501 fsp_fnum_dbg(fsp
), level
));
2502 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2507 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2511 /****************************************************************************
2512 Reply to set user quota
2513 ****************************************************************************/
2515 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2516 struct smb_request
*req
,
2520 uint32 parameter_count
,
2523 uint32 max_data_count
)
2525 char *params
= *ppparams
;
2526 char *pdata
= *ppdata
;
2527 int data_len
=0,param_len
=0;
2528 SMB_NTQUOTA_STRUCT qt
;
2531 files_struct
*fsp
= NULL
;
2536 if (get_current_uid(conn
) != 0) {
2537 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2538 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn
)),
2539 conn
->session_info
->unix_info
->unix_name
));
2540 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2545 * Ensure minimum number of parameters sent.
2548 if (parameter_count
< 2) {
2549 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2550 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2554 /* maybe we can check the quota_fnum */
2555 fsp
= file_fsp(req
, SVAL(params
,0));
2556 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2557 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2558 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2562 if (data_count
< 40) {
2563 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2564 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2568 /* offset to next quota record.
2569 * 4 bytes IVAL(pdata,0)
2574 sid_len
= IVAL(pdata
,4);
2576 if (data_count
< 40+sid_len
|| (40+sid_len
< sid_len
)) {
2577 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2578 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2582 /* unknown 8 bytes in pdata
2583 * maybe its the change time in NTTIME
2586 /* the used space 8 bytes (uint64_t)*/
2587 qt
.usedspace
= BVAL(pdata
,16);
2589 /* the soft quotas 8 bytes (uint64_t)*/
2590 qt
.softlim
= BVAL(pdata
,24);
2592 /* the hard quotas 8 bytes (uint64_t)*/
2593 qt
.hardlim
= BVAL(pdata
,32);
2595 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2596 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2600 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2602 /* 44 unknown bytes left... */
2604 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2605 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2609 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2612 #endif /* HAVE_SYS_QUOTAS */
2614 static void handle_nttrans(connection_struct
*conn
,
2615 struct trans_state
*state
,
2616 struct smb_request
*req
)
2618 if (get_Protocol() >= PROTOCOL_NT1
) {
2619 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2620 SSVAL(discard_const_p(uint8_t, req
->inbuf
),smb_flg2
,req
->flags2
);
2624 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2626 /* Now we must call the relevant NT_TRANS function */
2627 switch(state
->call
) {
2628 case NT_TRANSACT_CREATE
:
2630 START_PROFILE(NT_transact_create
);
2631 call_nt_transact_create(
2633 &state
->setup
, state
->setup_count
,
2634 &state
->param
, state
->total_param
,
2635 &state
->data
, state
->total_data
,
2636 state
->max_data_return
);
2637 END_PROFILE(NT_transact_create
);
2641 case NT_TRANSACT_IOCTL
:
2643 START_PROFILE(NT_transact_ioctl
);
2644 call_nt_transact_ioctl(
2646 &state
->setup
, state
->setup_count
,
2647 &state
->param
, state
->total_param
,
2648 &state
->data
, state
->total_data
,
2649 state
->max_data_return
);
2650 END_PROFILE(NT_transact_ioctl
);
2654 case NT_TRANSACT_SET_SECURITY_DESC
:
2656 START_PROFILE(NT_transact_set_security_desc
);
2657 call_nt_transact_set_security_desc(
2659 &state
->setup
, state
->setup_count
,
2660 &state
->param
, state
->total_param
,
2661 &state
->data
, state
->total_data
,
2662 state
->max_data_return
);
2663 END_PROFILE(NT_transact_set_security_desc
);
2667 case NT_TRANSACT_NOTIFY_CHANGE
:
2669 START_PROFILE(NT_transact_notify_change
);
2670 call_nt_transact_notify_change(
2672 &state
->setup
, state
->setup_count
,
2673 &state
->param
, state
->total_param
,
2674 &state
->data
, state
->total_data
,
2675 state
->max_data_return
,
2676 state
->max_param_return
);
2677 END_PROFILE(NT_transact_notify_change
);
2681 case NT_TRANSACT_RENAME
:
2683 START_PROFILE(NT_transact_rename
);
2684 call_nt_transact_rename(
2686 &state
->setup
, state
->setup_count
,
2687 &state
->param
, state
->total_param
,
2688 &state
->data
, state
->total_data
,
2689 state
->max_data_return
);
2690 END_PROFILE(NT_transact_rename
);
2694 case NT_TRANSACT_QUERY_SECURITY_DESC
:
2696 START_PROFILE(NT_transact_query_security_desc
);
2697 call_nt_transact_query_security_desc(
2699 &state
->setup
, state
->setup_count
,
2700 &state
->param
, state
->total_param
,
2701 &state
->data
, state
->total_data
,
2702 state
->max_data_return
);
2703 END_PROFILE(NT_transact_query_security_desc
);
2707 #ifdef HAVE_SYS_QUOTAS
2708 case NT_TRANSACT_GET_USER_QUOTA
:
2710 START_PROFILE(NT_transact_get_user_quota
);
2711 call_nt_transact_get_user_quota(
2713 &state
->setup
, state
->setup_count
,
2714 &state
->param
, state
->total_param
,
2715 &state
->data
, state
->total_data
,
2716 state
->max_data_return
);
2717 END_PROFILE(NT_transact_get_user_quota
);
2721 case NT_TRANSACT_SET_USER_QUOTA
:
2723 START_PROFILE(NT_transact_set_user_quota
);
2724 call_nt_transact_set_user_quota(
2726 &state
->setup
, state
->setup_count
,
2727 &state
->param
, state
->total_param
,
2728 &state
->data
, state
->total_data
,
2729 state
->max_data_return
);
2730 END_PROFILE(NT_transact_set_user_quota
);
2733 #endif /* HAVE_SYS_QUOTAS */
2736 /* Error in request */
2737 DEBUG(0,("handle_nttrans: Unknown request %d in "
2738 "nttrans call\n", state
->call
));
2739 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2745 /****************************************************************************
2746 Reply to a SMBNTtrans.
2747 ****************************************************************************/
2749 void reply_nttrans(struct smb_request
*req
)
2751 connection_struct
*conn
= req
->conn
;
2756 uint16 function_code
;
2758 struct trans_state
*state
;
2760 START_PROFILE(SMBnttrans
);
2762 if (req
->wct
< 19) {
2763 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2764 END_PROFILE(SMBnttrans
);
2768 pscnt
= IVAL(req
->vwv
+9, 1);
2769 psoff
= IVAL(req
->vwv
+11, 1);
2770 dscnt
= IVAL(req
->vwv
+13, 1);
2771 dsoff
= IVAL(req
->vwv
+15, 1);
2772 function_code
= SVAL(req
->vwv
+18, 0);
2774 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
2775 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2776 END_PROFILE(SMBnttrans
);
2780 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
2781 if (!NT_STATUS_IS_OK(result
)) {
2782 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
2783 reply_nterror(req
, result
);
2784 END_PROFILE(SMBnttrans
);
2788 if ((state
= talloc(conn
, struct trans_state
)) == NULL
) {
2789 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2790 END_PROFILE(SMBnttrans
);
2794 state
->cmd
= SMBnttrans
;
2796 state
->mid
= req
->mid
;
2797 state
->vuid
= req
->vuid
;
2798 state
->total_data
= IVAL(req
->vwv
+3, 1);
2800 state
->total_param
= IVAL(req
->vwv
+1, 1);
2801 state
->param
= NULL
;
2802 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
2803 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
2805 /* setup count is in *words* */
2806 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
2807 state
->setup
= NULL
;
2808 state
->call
= function_code
;
2810 DEBUG(10, ("num_setup=%u, "
2811 "param_total=%u, this_param=%u, max_param=%u, "
2812 "data_total=%u, this_data=%u, max_data=%u, "
2813 "param_offset=%u, data_offset=%u\n",
2814 (unsigned)state
->setup_count
,
2815 (unsigned)state
->total_param
, (unsigned)pscnt
,
2816 (unsigned)state
->max_param_return
,
2817 (unsigned)state
->total_data
, (unsigned)dscnt
,
2818 (unsigned)state
->max_data_return
,
2819 (unsigned)psoff
, (unsigned)dsoff
));
2822 * All nttrans messages we handle have smb_wct == 19 +
2823 * state->setup_count. Ensure this is so as a sanity check.
2826 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
2827 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2828 req
->wct
, 19 + (state
->setup_count
/2)));
2832 /* Don't allow more than 128mb for each value. */
2833 if ((state
->total_data
> (1024*1024*128)) ||
2834 (state
->total_param
> (1024*1024*128))) {
2835 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2836 END_PROFILE(SMBnttrans
);
2840 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
2843 if (state
->total_data
) {
2845 if (trans_oob(state
->total_data
, 0, dscnt
)
2846 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
2850 /* Can't use talloc here, the core routines do realloc on the
2851 * params and data. */
2852 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
2853 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2854 "bytes !\n", (unsigned int)state
->total_data
));
2856 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2857 END_PROFILE(SMBnttrans
);
2861 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
2864 if (state
->total_param
) {
2866 if (trans_oob(state
->total_param
, 0, pscnt
)
2867 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
2871 /* Can't use talloc here, the core routines do realloc on the
2872 * params and data. */
2873 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
2874 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2875 "bytes !\n", (unsigned int)state
->total_param
));
2876 SAFE_FREE(state
->data
);
2878 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2879 END_PROFILE(SMBnttrans
);
2883 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
2886 state
->received_data
= dscnt
;
2887 state
->received_param
= pscnt
;
2889 if(state
->setup_count
> 0) {
2890 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2891 state
->setup_count
));
2894 * No overflow possible here, state->setup_count is an
2895 * unsigned int, being filled by a single byte from
2896 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2897 * below is not necessary, it's here to clarify things. The
2898 * validity of req->vwv and req->wct has been checked in
2899 * init_smb_request already.
2901 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
2905 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
2906 if (state
->setup
== NULL
) {
2907 DEBUG(0,("reply_nttrans : Out of memory\n"));
2908 SAFE_FREE(state
->data
);
2909 SAFE_FREE(state
->param
);
2911 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2912 END_PROFILE(SMBnttrans
);
2916 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
2917 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
2920 if ((state
->received_data
== state
->total_data
) &&
2921 (state
->received_param
== state
->total_param
)) {
2922 handle_nttrans(conn
, state
, req
);
2923 SAFE_FREE(state
->param
);
2924 SAFE_FREE(state
->data
);
2926 END_PROFILE(SMBnttrans
);
2930 DLIST_ADD(conn
->pending_trans
, state
);
2932 /* We need to send an interim response then receive the rest
2933 of the parameter/data bytes */
2934 reply_outbuf(req
, 0, 0);
2935 show_msg((char *)req
->outbuf
);
2936 END_PROFILE(SMBnttrans
);
2941 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2942 SAFE_FREE(state
->data
);
2943 SAFE_FREE(state
->param
);
2945 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2946 END_PROFILE(SMBnttrans
);
2950 /****************************************************************************
2951 Reply to a SMBnttranss
2952 ****************************************************************************/
2954 void reply_nttranss(struct smb_request
*req
)
2956 connection_struct
*conn
= req
->conn
;
2957 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
2958 struct trans_state
*state
;
2960 START_PROFILE(SMBnttranss
);
2962 show_msg((const char *)req
->inbuf
);
2964 /* Windows clients expect all replies to
2965 an NT transact secondary (SMBnttranss 0xA1)
2966 to have a command code of NT transact
2967 (SMBnttrans 0xA0). See bug #8989 for details. */
2968 req
->cmd
= SMBnttrans
;
2970 if (req
->wct
< 18) {
2971 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2972 END_PROFILE(SMBnttranss
);
2976 for (state
= conn
->pending_trans
; state
!= NULL
;
2977 state
= state
->next
) {
2978 if (state
->mid
== req
->mid
) {
2983 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
2984 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2985 END_PROFILE(SMBnttranss
);
2989 /* Revise state->total_param and state->total_data in case they have
2990 changed downwards */
2991 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
2992 state
->total_param
= IVAL(req
->vwv
+1, 1);
2994 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
2995 state
->total_data
= IVAL(req
->vwv
+3, 1);
2998 pcnt
= IVAL(req
->vwv
+5, 1);
2999 poff
= IVAL(req
->vwv
+7, 1);
3000 pdisp
= IVAL(req
->vwv
+9, 1);
3002 dcnt
= IVAL(req
->vwv
+11, 1);
3003 doff
= IVAL(req
->vwv
+13, 1);
3004 ddisp
= IVAL(req
->vwv
+15, 1);
3006 state
->received_param
+= pcnt
;
3007 state
->received_data
+= dcnt
;
3009 if ((state
->received_data
> state
->total_data
) ||
3010 (state
->received_param
> state
->total_param
))
3014 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
3015 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
3018 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
3022 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
3023 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
3026 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
3029 if ((state
->received_param
< state
->total_param
) ||
3030 (state
->received_data
< state
->total_data
)) {
3031 END_PROFILE(SMBnttranss
);
3035 handle_nttrans(conn
, state
, req
);
3037 DLIST_REMOVE(conn
->pending_trans
, state
);
3038 SAFE_FREE(state
->data
);
3039 SAFE_FREE(state
->param
);
3041 END_PROFILE(SMBnttranss
);
3046 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3047 DLIST_REMOVE(conn
->pending_trans
, state
);
3048 SAFE_FREE(state
->data
);
3049 SAFE_FREE(state
->param
);
3051 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3052 END_PROFILE(SMBnttranss
);