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"
33 extern const struct generic_mapping file_generic_mapping
;
35 static char *nttrans_realloc(char **ptr
, size_t size
)
38 smb_panic("nttrans_realloc() called with NULL ptr");
41 *ptr
= (char *)SMB_REALLOC(*ptr
, size
);
45 memset(*ptr
,'\0',size
);
49 /****************************************************************************
50 Send the required number of replies back.
51 We assume all fields other than the data fields are
52 set correctly for the type of call.
53 HACK ! Always assumes smb_setup field is zero.
54 ****************************************************************************/
56 static void send_nt_replies(connection_struct
*conn
,
57 struct smb_request
*req
, NTSTATUS nt_error
,
58 char *params
, int paramsize
,
59 char *pdata
, int datasize
)
61 int data_to_send
= datasize
;
62 int params_to_send
= paramsize
;
66 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
67 int alignment_offset
= 1;
68 int data_alignment_offset
= 0;
69 struct smbd_server_connection
*sconn
= req
->sconn
;
70 int max_send
= sconn
->smb1
.sessions
.max_send
;
73 * If there genuinely are no parameters or data to send just send
77 if(params_to_send
== 0 && data_to_send
== 0) {
78 reply_outbuf(req
, 18, 0);
79 if (NT_STATUS_V(nt_error
)) {
80 error_packet_set((char *)req
->outbuf
,
84 show_msg((char *)req
->outbuf
);
85 if (!srv_send_smb(sconn
,
88 IS_CONN_ENCRYPTED(conn
),
90 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
92 TALLOC_FREE(req
->outbuf
);
97 * When sending params and data ensure that both are nicely aligned.
98 * Only do this alignment when there is also data to send - else
99 * can cause NT redirector problems.
102 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
103 data_alignment_offset
= 4 - (params_to_send
% 4);
107 * Space is bufsize minus Netbios over TCP header minus SMB header.
108 * The alignment_offset is to align the param bytes on a four byte
109 * boundary (2 bytes for data len, one byte pad).
110 * NT needs this to work correctly.
113 useable_space
= max_send
- (smb_size
116 + data_alignment_offset
);
118 if (useable_space
< 0) {
119 char *msg
= talloc_asprintf(
121 "send_nt_replies failed sanity useable_space = %d!!!",
123 DEBUG(0, ("%s\n", msg
));
124 exit_server_cleanly(msg
);
127 while (params_to_send
|| data_to_send
) {
130 * Calculate whether we will totally or partially fill this packet.
133 total_sent_thistime
= params_to_send
+ data_to_send
;
136 * We can never send more than useable_space.
139 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
141 reply_outbuf(req
, 18,
142 total_sent_thistime
+ alignment_offset
143 + data_alignment_offset
);
146 * Set total params and data to be sent.
149 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
150 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
153 * Calculate how many parameters and data we can fit into
154 * this packet. Parameters get precedence.
157 params_sent_thistime
= MIN(params_to_send
,useable_space
);
158 data_sent_thistime
= useable_space
- params_sent_thistime
;
159 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
161 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
162 params_sent_thistime
);
164 if(params_sent_thistime
== 0) {
165 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
166 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
169 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
170 * parameter bytes, however the first 4 bytes of outbuf are
171 * the Netbios over TCP header. Thus use smb_base() to subtract
172 * them from the calculation.
175 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
176 ((smb_buf(req
->outbuf
)+alignment_offset
)
177 - smb_base(req
->outbuf
)));
179 * Absolute displacement of param bytes sent in this packet.
182 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
187 * Deal with the data portion.
190 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
192 if(data_sent_thistime
== 0) {
193 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
194 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
197 * The offset of the data bytes is the offset of the
198 * parameter bytes plus the number of parameters being sent this time.
201 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
202 ((smb_buf(req
->outbuf
)+alignment_offset
) -
203 smb_base(req
->outbuf
))
204 + params_sent_thistime
+ data_alignment_offset
);
205 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
209 * Copy the param bytes into the packet.
212 if(params_sent_thistime
) {
213 if (alignment_offset
!= 0) {
214 memset(smb_buf(req
->outbuf
), 0,
217 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
218 params_sent_thistime
);
222 * Copy in the data bytes
225 if(data_sent_thistime
) {
226 if (data_alignment_offset
!= 0) {
227 memset((smb_buf(req
->outbuf
)+alignment_offset
+
228 params_sent_thistime
), 0,
229 data_alignment_offset
);
231 memcpy(smb_buf(req
->outbuf
)+alignment_offset
232 +params_sent_thistime
+data_alignment_offset
,
233 pd
,data_sent_thistime
);
236 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
237 params_sent_thistime
, data_sent_thistime
, useable_space
));
238 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
239 params_to_send
, data_to_send
, paramsize
, datasize
));
241 if (NT_STATUS_V(nt_error
)) {
242 error_packet_set((char *)req
->outbuf
,
247 /* Send the packet */
248 show_msg((char *)req
->outbuf
);
249 if (!srv_send_smb(sconn
,
252 IS_CONN_ENCRYPTED(conn
),
254 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
257 TALLOC_FREE(req
->outbuf
);
259 pp
+= params_sent_thistime
;
260 pd
+= data_sent_thistime
;
262 params_to_send
-= params_sent_thistime
;
263 data_to_send
-= data_sent_thistime
;
269 if(params_to_send
< 0 || data_to_send
< 0) {
270 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
271 params_to_send
, data_to_send
));
272 exit_server_cleanly("send_nt_replies: internal error");
277 /****************************************************************************
278 Reply to an NT create and X call on a pipe
279 ****************************************************************************/
281 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
282 struct smb_request
*req
, int *ppnum
)
287 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
289 /* Strip \\ off the name if present. */
290 while (fname
[0] == '\\') {
294 status
= open_np_file(req
, fname
, &fsp
);
295 if (!NT_STATUS_IS_OK(status
)) {
296 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
297 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
301 reply_nterror(req
, status
);
309 /****************************************************************************
310 Reply to an NT create and X call for pipes.
311 ****************************************************************************/
313 static void do_ntcreate_pipe_open(connection_struct
*conn
,
314 struct smb_request
*req
)
319 uint32 flags
= IVAL(req
->vwv
+3, 1);
320 TALLOC_CTX
*ctx
= talloc_tos();
322 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
325 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
329 nt_open_pipe(fname
, conn
, req
, &pnum
);
337 * Deal with pipe return.
340 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
341 /* This is very strange. We
342 * return 50 words, but only set
343 * the wcnt to 42 ? It's definitely
344 * what happens on the wire....
346 reply_outbuf(req
, 50, 0);
347 SCVAL(req
->outbuf
,smb_wct
,42);
349 reply_outbuf(req
, 34, 0);
352 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
353 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
355 p
= (char *)req
->outbuf
+ smb_vwv2
;
359 SIVAL(p
,0,FILE_WAS_OPENED
);
362 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
365 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
367 SSVAL(p
,2, 0x5FF); /* ? */
370 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
372 SIVAL(p
,0,FILE_GENERIC_ALL
);
374 * For pipes W2K3 seems to return
376 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
378 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
381 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
384 struct case_semantics_state
{
385 connection_struct
*conn
;
388 bool short_case_preserve
;
391 /****************************************************************************
392 Restore case semantics.
393 ****************************************************************************/
395 static int restore_case_semantics(struct case_semantics_state
*state
)
397 state
->conn
->case_sensitive
= state
->case_sensitive
;
398 state
->conn
->case_preserve
= state
->case_preserve
;
399 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
403 /****************************************************************************
405 ****************************************************************************/
407 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
408 connection_struct
*conn
)
410 struct case_semantics_state
*result
;
412 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
417 result
->case_sensitive
= conn
->case_sensitive
;
418 result
->case_preserve
= conn
->case_preserve
;
419 result
->short_case_preserve
= conn
->short_case_preserve
;
422 conn
->case_sensitive
= True
;
423 conn
->case_preserve
= True
;
424 conn
->short_case_preserve
= True
;
426 talloc_set_destructor(result
, restore_case_semantics
);
431 /****************************************************************************
432 Reply to an NT create and X call.
433 ****************************************************************************/
435 void reply_ntcreate_and_X(struct smb_request
*req
)
437 connection_struct
*conn
= req
->conn
;
438 struct smb_filename
*smb_fname
= NULL
;
442 uint32 file_attributes
;
444 uint32 create_disposition
;
445 uint32 create_options
;
447 uint64_t allocation_size
;
448 /* Breakout the oplock request bits so we can set the
449 reply bits separately. */
453 files_struct
*fsp
= NULL
;
455 struct timespec create_timespec
;
456 struct timespec c_timespec
;
457 struct timespec a_timespec
;
458 struct timespec m_timespec
;
459 struct timespec write_time_ts
;
462 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
463 struct case_semantics_state
*case_state
= NULL
;
464 TALLOC_CTX
*ctx
= talloc_tos();
466 START_PROFILE(SMBntcreateX
);
469 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
473 flags
= IVAL(req
->vwv
+3, 1);
474 access_mask
= IVAL(req
->vwv
+7, 1);
475 file_attributes
= IVAL(req
->vwv
+13, 1);
476 share_access
= IVAL(req
->vwv
+15, 1);
477 create_disposition
= IVAL(req
->vwv
+17, 1);
478 create_options
= IVAL(req
->vwv
+19, 1);
479 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
481 allocation_size
= BVAL(req
->vwv
+9, 1);
483 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
484 STR_TERMINATE
, &status
);
486 if (!NT_STATUS_IS_OK(status
)) {
487 reply_nterror(req
, status
);
491 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
492 "file_attributes = 0x%x, share_access = 0x%x, "
493 "create_disposition = 0x%x create_options = 0x%x "
494 "root_dir_fid = 0x%x, fname = %s\n",
496 (unsigned int)access_mask
,
497 (unsigned int)file_attributes
,
498 (unsigned int)share_access
,
499 (unsigned int)create_disposition
,
500 (unsigned int)create_options
,
501 (unsigned int)root_dir_fid
,
505 * we need to remove ignored bits when they come directly from the client
506 * because we reuse some of them for internal stuff
508 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
511 * If it's an IPC, use the pipe handler.
515 if (lp_nt_pipe_support()) {
516 do_ntcreate_pipe_open(conn
, req
);
519 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
523 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
524 if (oplock_request
) {
525 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
529 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
530 case_state
= set_posix_case_semantics(ctx
, conn
);
532 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
537 status
= filename_convert(ctx
,
539 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
545 TALLOC_FREE(case_state
);
547 if (!NT_STATUS_IS_OK(status
)) {
548 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
550 NT_STATUS_PATH_NOT_COVERED
,
554 reply_nterror(req
, status
);
559 * Bug #6898 - clients using Windows opens should
560 * never be able to set this attribute into the
563 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
565 status
= SMB_VFS_CREATE_FILE(
568 root_dir_fid
, /* root_dir_fid */
569 smb_fname
, /* fname */
570 access_mask
, /* access_mask */
571 share_access
, /* share_access */
572 create_disposition
, /* create_disposition*/
573 create_options
, /* create_options */
574 file_attributes
, /* file_attributes */
575 oplock_request
, /* oplock_request */
576 allocation_size
, /* allocation_size */
577 0, /* private_flags */
583 if (!NT_STATUS_IS_OK(status
)) {
584 if (open_was_deferred(req
->sconn
, req
->mid
)) {
585 /* We have re-scheduled this call, no error. */
588 reply_openerror(req
, status
);
592 /* Ensure we're pointing at the correct stat struct. */
593 TALLOC_FREE(smb_fname
);
594 smb_fname
= fsp
->fsp_name
;
597 * If the caller set the extended oplock request bit
598 * and we granted one (by whatever means) - set the
599 * correct bit for extended oplock reply.
602 if (oplock_request
&&
603 (lp_fake_oplocks(SNUM(conn
))
604 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
607 * Exclusive oplock granted
610 if (flags
& REQUEST_BATCH_OPLOCK
) {
611 oplock_granted
= BATCH_OPLOCK_RETURN
;
613 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
615 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
616 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
618 oplock_granted
= NO_OPLOCK_RETURN
;
621 file_len
= smb_fname
->st
.st_ex_size
;
623 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
624 /* This is very strange. We
625 * return 50 words, but only set
626 * the wcnt to 42 ? It's definitely
627 * what happens on the wire....
629 reply_outbuf(req
, 50, 0);
630 SCVAL(req
->outbuf
,smb_wct
,42);
632 reply_outbuf(req
, 34, 0);
635 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
636 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
638 p
= (char *)req
->outbuf
+ smb_vwv2
;
640 SCVAL(p
, 0, oplock_granted
);
643 SSVAL(p
,0,fsp
->fnum
);
645 if ((create_disposition
== FILE_SUPERSEDE
)
646 && (info
== FILE_WAS_OVERWRITTEN
)) {
647 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
653 fattr
= dos_mode(conn
, smb_fname
);
655 fattr
= FILE_ATTRIBUTE_NORMAL
;
658 /* Deal with other possible opens having a modified
660 ZERO_STRUCT(write_time_ts
);
661 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
662 if (!null_timespec(write_time_ts
)) {
663 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
667 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
668 a_timespec
= smb_fname
->st
.st_ex_atime
;
669 m_timespec
= smb_fname
->st
.st_ex_mtime
;
670 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
672 if (lp_dos_filetime_resolution(SNUM(conn
))) {
673 dos_filetime_timespec(&create_timespec
);
674 dos_filetime_timespec(&a_timespec
);
675 dos_filetime_timespec(&m_timespec
);
676 dos_filetime_timespec(&c_timespec
);
679 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
681 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
683 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
685 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
687 SIVAL(p
,0,fattr
); /* File Attributes. */
689 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
,fsp
,&smb_fname
->st
));
691 SOFF_T(p
,0,file_len
);
693 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
694 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
695 size_t num_names
= 0;
696 unsigned int num_streams
= 0;
697 struct stream_struct
*streams
= NULL
;
699 /* Do we have any EA's ? */
700 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
701 smb_fname
->base_name
, NULL
, &num_names
);
702 if (NT_STATUS_IS_OK(status
) && num_names
) {
703 file_status
&= ~NO_EAS
;
705 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
706 &num_streams
, &streams
);
707 /* There is always one stream, ::$DATA. */
708 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
709 file_status
&= ~NO_SUBSTREAMS
;
711 TALLOC_FREE(streams
);
712 SSVAL(p
,2,file_status
);
715 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
717 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
720 if (fsp
->is_directory
||
721 can_write_to_file(conn
, smb_fname
)) {
722 perms
= FILE_GENERIC_ALL
;
724 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
729 DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
730 fsp_fnum_dbg(fsp
), smb_fname_str_dbg(smb_fname
)));
733 END_PROFILE(SMBntcreateX
);
737 /****************************************************************************
738 Reply to a NT_TRANSACT_CREATE call to open a pipe.
739 ****************************************************************************/
741 static void do_nt_transact_create_pipe(connection_struct
*conn
,
742 struct smb_request
*req
,
743 uint16
**ppsetup
, uint32 setup_count
,
744 char **ppparams
, uint32 parameter_count
,
745 char **ppdata
, uint32 data_count
)
748 char *params
= *ppparams
;
754 TALLOC_CTX
*ctx
= talloc_tos();
757 * Ensure minimum number of parameters sent.
760 if(parameter_count
< 54) {
761 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
762 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
766 flags
= IVAL(params
,0);
768 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
, params
+53,
769 parameter_count
-53, STR_TERMINATE
,
771 if (!NT_STATUS_IS_OK(status
)) {
772 reply_nterror(req
, status
);
776 nt_open_pipe(fname
, conn
, req
, &pnum
);
783 /* Realloc the size of parameters and data we will return */
784 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
785 /* Extended response is 32 more byyes. */
790 params
= nttrans_realloc(ppparams
, param_len
);
792 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
797 SCVAL(p
,0,NO_OPLOCK_RETURN
);
802 SIVAL(p
,0,FILE_WAS_OPENED
);
806 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
809 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
811 SSVAL(p
,2, 0x5FF); /* ? */
814 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
816 SIVAL(p
,0,FILE_GENERIC_ALL
);
818 * For pipes W2K3 seems to return
820 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
822 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
825 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
827 /* Send the required number of replies */
828 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
833 /****************************************************************************
834 Internal fn to set security descriptors.
835 ****************************************************************************/
837 NTSTATUS
set_sd(files_struct
*fsp
, uint8_t *data
, uint32_t sd_len
,
838 uint32_t security_info_sent
)
840 struct security_descriptor
*psd
= NULL
;
844 return NT_STATUS_INVALID_PARAMETER
;
847 if (!CAN_WRITE(fsp
->conn
)) {
848 return NT_STATUS_ACCESS_DENIED
;
851 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
855 status
= unmarshall_sec_desc(talloc_tos(), data
, sd_len
, &psd
);
857 if (!NT_STATUS_IS_OK(status
)) {
861 if (psd
->owner_sid
== NULL
) {
862 security_info_sent
&= ~SECINFO_OWNER
;
864 if (psd
->group_sid
== NULL
) {
865 security_info_sent
&= ~SECINFO_GROUP
;
868 /* Ensure we have at least one thing set. */
869 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
870 if (security_info_sent
& SECINFO_LABEL
) {
871 /* Only consider SECINFO_LABEL if no other
872 bits are set. Just like W2K3 we don't
876 return NT_STATUS_INVALID_PARAMETER
;
879 /* Ensure we have the rights to do this. */
880 if (security_info_sent
& SECINFO_OWNER
) {
881 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
882 return NT_STATUS_ACCESS_DENIED
;
886 if (security_info_sent
& SECINFO_GROUP
) {
887 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
888 return NT_STATUS_ACCESS_DENIED
;
892 if (security_info_sent
& SECINFO_DACL
) {
893 if (!(fsp
->access_mask
& SEC_STD_WRITE_DAC
)) {
894 return NT_STATUS_ACCESS_DENIED
;
896 /* Convert all the generic bits. */
898 security_acl_map_generic(psd
->dacl
, &file_generic_mapping
);
902 if (security_info_sent
& SECINFO_SACL
) {
903 if (!(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
904 return NT_STATUS_ACCESS_DENIED
;
906 /* Convert all the generic bits. */
908 security_acl_map_generic(psd
->sacl
, &file_generic_mapping
);
912 if (DEBUGLEVEL
>= 10) {
913 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp
)));
914 NDR_PRINT_DEBUG(security_descriptor
, psd
);
917 status
= SMB_VFS_FSET_NT_ACL(fsp
, security_info_sent
, psd
);
924 /****************************************************************************
925 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
926 ****************************************************************************/
928 struct ea_list
*read_nttrans_ea_list(TALLOC_CTX
*ctx
, const char *pdata
, size_t data_size
)
930 struct ea_list
*ea_list_head
= NULL
;
937 while (offset
+ 4 <= data_size
) {
938 size_t next_offset
= IVAL(pdata
,offset
);
939 struct ea_list
*eal
= read_ea_list_entry(ctx
, pdata
+ offset
+ 4, data_size
- offset
- 4, NULL
);
945 DLIST_ADD_END(ea_list_head
, eal
, struct ea_list
*);
946 if (next_offset
== 0) {
949 offset
+= next_offset
;
955 /****************************************************************************
956 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
957 ****************************************************************************/
959 static void call_nt_transact_create(connection_struct
*conn
,
960 struct smb_request
*req
,
961 uint16
**ppsetup
, uint32 setup_count
,
962 char **ppparams
, uint32 parameter_count
,
963 char **ppdata
, uint32 data_count
,
964 uint32 max_data_count
)
966 struct smb_filename
*smb_fname
= NULL
;
968 char *params
= *ppparams
;
969 char *data
= *ppdata
;
970 /* Breakout the oplock request bits so we can set the reply bits separately. */
974 files_struct
*fsp
= NULL
;
978 uint32 file_attributes
;
980 uint32 create_disposition
;
981 uint32 create_options
;
983 struct security_descriptor
*sd
= NULL
;
986 struct timespec create_timespec
;
987 struct timespec c_timespec
;
988 struct timespec a_timespec
;
989 struct timespec m_timespec
;
990 struct timespec write_time_ts
;
991 struct ea_list
*ea_list
= NULL
;
994 uint64_t allocation_size
;
996 uint8_t oplock_granted
;
997 struct case_semantics_state
*case_state
= NULL
;
998 TALLOC_CTX
*ctx
= talloc_tos();
1000 DEBUG(5,("call_nt_transact_create\n"));
1003 * If it's an IPC, use the pipe handler.
1007 if (lp_nt_pipe_support()) {
1008 do_nt_transact_create_pipe(
1010 ppsetup
, setup_count
,
1011 ppparams
, parameter_count
,
1012 ppdata
, data_count
);
1015 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1020 * Ensure minimum number of parameters sent.
1023 if(parameter_count
< 54) {
1024 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1025 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1029 flags
= IVAL(params
,0);
1030 access_mask
= IVAL(params
,8);
1031 file_attributes
= IVAL(params
,20);
1032 share_access
= IVAL(params
,24);
1033 create_disposition
= IVAL(params
,28);
1034 create_options
= IVAL(params
,32);
1035 sd_len
= IVAL(params
,36);
1036 ea_len
= IVAL(params
,40);
1037 root_dir_fid
= (uint16
)IVAL(params
,4);
1038 allocation_size
= BVAL(params
,12);
1041 * we need to remove ignored bits when they come directly from the client
1042 * because we reuse some of them for internal stuff
1044 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1046 /* Ensure the data_len is correct for the sd and ea values given. */
1047 if ((ea_len
+ sd_len
> data_count
)
1048 || (ea_len
> data_count
) || (sd_len
> data_count
)
1049 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1050 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1051 "%u, data_count = %u\n", (unsigned int)ea_len
,
1052 (unsigned int)sd_len
, (unsigned int)data_count
));
1053 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1058 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1061 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1063 if (!NT_STATUS_IS_OK(status
)) {
1064 DEBUG(10, ("call_nt_transact_create: "
1065 "unmarshall_sec_desc failed: %s\n",
1066 nt_errstr(status
)));
1067 reply_nterror(req
, status
);
1073 if (!lp_ea_support(SNUM(conn
))) {
1074 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1075 "EA's not supported.\n",
1076 (unsigned int)ea_len
));
1077 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1082 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1083 "too small (should be more than 10)\n",
1084 (unsigned int)ea_len
));
1085 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1089 /* We have already checked that ea_len <= data_count here. */
1090 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1092 if (ea_list
== NULL
) {
1093 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1098 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1099 params
+53, parameter_count
-53,
1100 STR_TERMINATE
, &status
);
1101 if (!NT_STATUS_IS_OK(status
)) {
1102 reply_nterror(req
, status
);
1106 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1107 case_state
= set_posix_case_semantics(ctx
, conn
);
1109 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1114 status
= filename_convert(ctx
,
1116 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1122 TALLOC_FREE(case_state
);
1124 if (!NT_STATUS_IS_OK(status
)) {
1125 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1126 reply_botherror(req
,
1127 NT_STATUS_PATH_NOT_COVERED
,
1128 ERRSRV
, ERRbadpath
);
1131 reply_nterror(req
, status
);
1135 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1136 if (oplock_request
) {
1137 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1142 * Bug #6898 - clients using Windows opens should
1143 * never be able to set this attribute into the
1146 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1148 status
= SMB_VFS_CREATE_FILE(
1151 root_dir_fid
, /* root_dir_fid */
1152 smb_fname
, /* fname */
1153 access_mask
, /* access_mask */
1154 share_access
, /* share_access */
1155 create_disposition
, /* create_disposition*/
1156 create_options
, /* create_options */
1157 file_attributes
, /* file_attributes */
1158 oplock_request
, /* oplock_request */
1159 allocation_size
, /* allocation_size */
1160 0, /* private_flags */
1162 ea_list
, /* ea_list */
1166 if(!NT_STATUS_IS_OK(status
)) {
1167 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1168 /* We have re-scheduled this call, no error. */
1171 reply_openerror(req
, status
);
1175 /* Ensure we're pointing at the correct stat struct. */
1176 TALLOC_FREE(smb_fname
);
1177 smb_fname
= fsp
->fsp_name
;
1180 * If the caller set the extended oplock request bit
1181 * and we granted one (by whatever means) - set the
1182 * correct bit for extended oplock reply.
1185 if (oplock_request
&&
1186 (lp_fake_oplocks(SNUM(conn
))
1187 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1190 * Exclusive oplock granted
1193 if (flags
& REQUEST_BATCH_OPLOCK
) {
1194 oplock_granted
= BATCH_OPLOCK_RETURN
;
1196 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1198 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1199 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1201 oplock_granted
= NO_OPLOCK_RETURN
;
1204 file_len
= smb_fname
->st
.st_ex_size
;
1206 /* Realloc the size of parameters and data we will return */
1207 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1208 /* Extended response is 32 more byyes. */
1213 params
= nttrans_realloc(ppparams
, param_len
);
1214 if(params
== NULL
) {
1215 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1220 SCVAL(p
, 0, oplock_granted
);
1223 SSVAL(p
,0,fsp
->fnum
);
1225 if ((create_disposition
== FILE_SUPERSEDE
)
1226 && (info
== FILE_WAS_OVERWRITTEN
)) {
1227 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1233 fattr
= dos_mode(conn
, smb_fname
);
1235 fattr
= FILE_ATTRIBUTE_NORMAL
;
1238 /* Deal with other possible opens having a modified
1240 ZERO_STRUCT(write_time_ts
);
1241 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
1242 if (!null_timespec(write_time_ts
)) {
1243 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1247 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1248 a_timespec
= smb_fname
->st
.st_ex_atime
;
1249 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1250 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1252 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1253 dos_filetime_timespec(&create_timespec
);
1254 dos_filetime_timespec(&a_timespec
);
1255 dos_filetime_timespec(&m_timespec
);
1256 dos_filetime_timespec(&c_timespec
);
1259 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1261 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1263 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1265 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1267 SIVAL(p
,0,fattr
); /* File Attributes. */
1269 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1271 SOFF_T(p
,0,file_len
);
1273 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1274 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
1275 size_t num_names
= 0;
1276 unsigned int num_streams
= 0;
1277 struct stream_struct
*streams
= NULL
;
1279 /* Do we have any EA's ? */
1280 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
1281 smb_fname
->base_name
, NULL
, &num_names
);
1282 if (NT_STATUS_IS_OK(status
) && num_names
) {
1283 file_status
&= ~NO_EAS
;
1285 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
1286 &num_streams
, &streams
);
1287 /* There is always one stream, ::$DATA. */
1288 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
1289 file_status
&= ~NO_SUBSTREAMS
;
1291 TALLOC_FREE(streams
);
1292 SSVAL(p
,2,file_status
);
1295 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1297 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1300 if (fsp
->is_directory
||
1301 can_write_to_file(conn
, smb_fname
)) {
1302 perms
= FILE_GENERIC_ALL
;
1304 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1309 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1310 smb_fname_str_dbg(smb_fname
)));
1312 /* Send the required number of replies */
1313 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1318 /****************************************************************************
1319 Reply to a NT CANCEL request.
1320 conn POINTER CAN BE NULL HERE !
1321 ****************************************************************************/
1323 void reply_ntcancel(struct smb_request
*req
)
1326 * Go through and cancel any pending change notifies.
1329 START_PROFILE(SMBntcancel
);
1330 srv_cancel_sign_response(req
->sconn
);
1331 remove_pending_change_notify_requests_by_mid(req
->sconn
, req
->mid
);
1332 remove_pending_lock_requests_by_mid_smb1(req
->sconn
, req
->mid
);
1334 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1335 (unsigned long long)req
->mid
));
1337 END_PROFILE(SMBntcancel
);
1341 /****************************************************************************
1343 ****************************************************************************/
1345 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1346 connection_struct
*conn
,
1347 struct smb_request
*req
,
1348 struct smb_filename
*smb_fname_src
,
1349 struct smb_filename
*smb_fname_dst
,
1352 files_struct
*fsp1
,*fsp2
;
1356 NTSTATUS status
= NT_STATUS_OK
;
1359 if (!CAN_WRITE(conn
)) {
1360 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1364 /* Source must already exist. */
1365 if (!VALID_STAT(smb_fname_src
->st
)) {
1366 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1370 /* Ensure attributes match. */
1371 fattr
= dos_mode(conn
, smb_fname_src
);
1372 if ((fattr
& ~attrs
) & (FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
)) {
1373 status
= NT_STATUS_NO_SUCH_FILE
;
1377 /* Disallow if dst file already exists. */
1378 if (VALID_STAT(smb_fname_dst
->st
)) {
1379 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1383 /* No links from a directory. */
1384 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1385 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1389 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1390 smb_fname_str_dbg(smb_fname_src
),
1391 smb_fname_str_dbg(smb_fname_dst
)));
1393 status
= SMB_VFS_CREATE_FILE(
1396 0, /* root_dir_fid */
1397 smb_fname_src
, /* fname */
1398 FILE_READ_DATA
|FILE_READ_ATTRIBUTES
|
1399 FILE_READ_EA
, /* access_mask */
1400 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1402 FILE_OPEN
, /* create_disposition*/
1403 0, /* create_options */
1404 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1405 NO_OPLOCK
, /* oplock_request */
1406 0, /* allocation_size */
1407 0, /* private_flags */
1413 if (!NT_STATUS_IS_OK(status
)) {
1417 status
= SMB_VFS_CREATE_FILE(
1420 0, /* root_dir_fid */
1421 smb_fname_dst
, /* fname */
1422 FILE_WRITE_DATA
|FILE_WRITE_ATTRIBUTES
|
1423 FILE_WRITE_EA
, /* access_mask */
1424 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1426 FILE_CREATE
, /* create_disposition*/
1427 0, /* create_options */
1428 fattr
, /* file_attributes */
1429 NO_OPLOCK
, /* oplock_request */
1430 0, /* allocation_size */
1431 0, /* private_flags */
1437 if (!NT_STATUS_IS_OK(status
)) {
1438 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1442 if (smb_fname_src
->st
.st_ex_size
) {
1443 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1447 * As we are opening fsp1 read-only we only expect
1448 * an error on close on fsp2 if we are out of space.
1449 * Thus we don't look at the error return from the
1452 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1454 /* Ensure the modtime is set correctly on the destination file. */
1455 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1457 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1459 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1460 creates the file. This isn't the correct thing to do in the copy
1462 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1464 status
= NT_STATUS_NO_MEMORY
;
1467 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1468 TALLOC_FREE(parent
);
1470 if (ret
< (off_t
)smb_fname_src
->st
.st_ex_size
) {
1471 status
= NT_STATUS_DISK_FULL
;
1475 if (!NT_STATUS_IS_OK(status
)) {
1476 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1477 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1478 smb_fname_str_dbg(smb_fname_dst
)));
1484 /****************************************************************************
1485 Reply to a NT rename request.
1486 ****************************************************************************/
1488 void reply_ntrename(struct smb_request
*req
)
1490 connection_struct
*conn
= req
->conn
;
1491 struct smb_filename
*smb_fname_old
= NULL
;
1492 struct smb_filename
*smb_fname_new
= NULL
;
1493 char *oldname
= NULL
;
1494 char *newname
= NULL
;
1497 bool src_has_wcard
= False
;
1498 bool dest_has_wcard
= False
;
1500 uint32_t ucf_flags_src
= 0;
1501 uint32_t ucf_flags_dst
= 0;
1503 TALLOC_CTX
*ctx
= talloc_tos();
1504 bool stream_rename
= false;
1506 START_PROFILE(SMBntrename
);
1509 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1513 attrs
= SVAL(req
->vwv
+0, 0);
1514 rename_type
= SVAL(req
->vwv
+1, 0);
1516 p
= (const char *)req
->buf
+ 1;
1517 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1518 &status
, &src_has_wcard
);
1519 if (!NT_STATUS_IS_OK(status
)) {
1520 reply_nterror(req
, status
);
1524 if (ms_has_wild(oldname
)) {
1525 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1530 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1531 &status
, &dest_has_wcard
);
1532 if (!NT_STATUS_IS_OK(status
)) {
1533 reply_nterror(req
, status
);
1537 if (!lp_posix_pathnames()) {
1538 /* The newname must begin with a ':' if the
1539 oldname contains a ':'. */
1540 if (strchr_m(oldname
, ':')) {
1541 if (newname
[0] != ':') {
1542 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1545 stream_rename
= true;
1550 * If this is a rename operation, allow wildcards and save the
1551 * destination's last component.
1553 if (rename_type
== RENAME_FLAG_RENAME
) {
1554 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1555 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1558 /* rename_internals() calls unix_convert(), so don't call it here. */
1559 status
= filename_convert(ctx
, conn
,
1560 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1565 if (!NT_STATUS_IS_OK(status
)) {
1566 if (NT_STATUS_EQUAL(status
,
1567 NT_STATUS_PATH_NOT_COVERED
)) {
1568 reply_botherror(req
,
1569 NT_STATUS_PATH_NOT_COVERED
,
1570 ERRSRV
, ERRbadpath
);
1573 reply_nterror(req
, status
);
1577 status
= filename_convert(ctx
, conn
,
1578 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1583 if (!NT_STATUS_IS_OK(status
)) {
1584 if (NT_STATUS_EQUAL(status
,
1585 NT_STATUS_PATH_NOT_COVERED
)) {
1586 reply_botherror(req
,
1587 NT_STATUS_PATH_NOT_COVERED
,
1588 ERRSRV
, ERRbadpath
);
1591 reply_nterror(req
, status
);
1595 if (stream_rename
) {
1596 /* smb_fname_new must be the same as smb_fname_old. */
1597 TALLOC_FREE(smb_fname_new
->base_name
);
1598 smb_fname_new
->base_name
= talloc_strdup(smb_fname_new
,
1599 smb_fname_old
->base_name
);
1600 if (!smb_fname_new
->base_name
) {
1601 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1606 DEBUG(3,("reply_ntrename: %s -> %s\n",
1607 smb_fname_str_dbg(smb_fname_old
),
1608 smb_fname_str_dbg(smb_fname_new
)));
1610 switch(rename_type
) {
1611 case RENAME_FLAG_RENAME
:
1612 status
= rename_internals(ctx
, conn
, req
,
1613 smb_fname_old
, smb_fname_new
,
1614 attrs
, False
, src_has_wcard
,
1618 case RENAME_FLAG_HARD_LINK
:
1619 if (src_has_wcard
|| dest_has_wcard
) {
1621 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1623 status
= hardlink_internals(ctx
, conn
,
1630 case RENAME_FLAG_COPY
:
1631 if (src_has_wcard
|| dest_has_wcard
) {
1633 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1635 status
= copy_internals(ctx
, conn
, req
,
1641 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1642 status
= NT_STATUS_INVALID_PARAMETER
;
1645 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1649 if (!NT_STATUS_IS_OK(status
)) {
1650 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1651 /* We have re-scheduled this call. */
1655 reply_nterror(req
, status
);
1659 reply_outbuf(req
, 0, 0);
1661 END_PROFILE(SMBntrename
);
1665 /****************************************************************************
1666 Reply to a notify change - queue the request and
1667 don't allow a directory to be opened.
1668 ****************************************************************************/
1670 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1671 NTSTATUS error_code
,
1672 uint8_t *buf
, size_t len
)
1674 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1677 static void call_nt_transact_notify_change(connection_struct
*conn
,
1678 struct smb_request
*req
,
1682 uint32 parameter_count
,
1683 char **ppdata
, uint32 data_count
,
1684 uint32 max_data_count
,
1685 uint32 max_param_count
)
1687 uint16
*setup
= *ppsetup
;
1693 if(setup_count
< 6) {
1694 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1698 fsp
= file_fsp(req
, SVAL(setup
,4));
1699 filter
= IVAL(setup
, 0);
1700 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1702 DEBUG(3,("call_nt_transact_notify_change\n"));
1705 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1710 char *filter_string
;
1712 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1713 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1717 DEBUG(3,("call_nt_transact_notify_change: notify change "
1718 "called on %s, filter = %s, recursive = %d\n",
1719 fsp_str_dbg(fsp
), filter_string
, recursive
));
1721 TALLOC_FREE(filter_string
);
1724 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1725 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1729 if (fsp
->notify
== NULL
) {
1731 status
= change_notify_create(fsp
, filter
, recursive
);
1733 if (!NT_STATUS_IS_OK(status
)) {
1734 DEBUG(10, ("change_notify_create returned %s\n",
1735 nt_errstr(status
)));
1736 reply_nterror(req
, status
);
1741 if (change_notify_fsp_has_changes(fsp
)) {
1744 * We've got changes pending, respond immediately
1748 * TODO: write a torture test to check the filtering behaviour
1752 change_notify_reply(req
,
1756 smbd_smb1_notify_reply
);
1759 * change_notify_reply() above has independently sent its
1766 * No changes pending, queue the request
1769 status
= change_notify_add_request(req
,
1773 smbd_smb1_notify_reply
);
1774 if (!NT_STATUS_IS_OK(status
)) {
1775 reply_nterror(req
, status
);
1780 /****************************************************************************
1781 Reply to an NT transact rename command.
1782 ****************************************************************************/
1784 static void call_nt_transact_rename(connection_struct
*conn
,
1785 struct smb_request
*req
,
1786 uint16
**ppsetup
, uint32 setup_count
,
1787 char **ppparams
, uint32 parameter_count
,
1788 char **ppdata
, uint32 data_count
,
1789 uint32 max_data_count
)
1791 char *params
= *ppparams
;
1792 char *new_name
= NULL
;
1793 files_struct
*fsp
= NULL
;
1794 bool dest_has_wcard
= False
;
1796 TALLOC_CTX
*ctx
= talloc_tos();
1798 if(parameter_count
< 5) {
1799 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1803 fsp
= file_fsp(req
, SVAL(params
, 0));
1804 if (!check_fsp(conn
, req
, fsp
)) {
1807 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1808 parameter_count
- 4,
1809 STR_TERMINATE
, &status
, &dest_has_wcard
);
1810 if (!NT_STATUS_IS_OK(status
)) {
1811 reply_nterror(req
, status
);
1816 * W2K3 ignores this request as the RAW-RENAME test
1817 * demonstrates, so we do.
1819 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1821 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1822 fsp_str_dbg(fsp
), new_name
));
1827 /******************************************************************************
1828 Fake up a completely empty SD.
1829 *******************************************************************************/
1831 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppsd
)
1835 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1837 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1838 return NT_STATUS_NO_MEMORY
;
1841 return NT_STATUS_OK
;
1844 /****************************************************************************
1845 Reply to query a security descriptor.
1846 Callable from SMB2 and SMB2.
1847 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1849 ****************************************************************************/
1851 NTSTATUS
smbd_do_query_security_desc(connection_struct
*conn
,
1852 TALLOC_CTX
*mem_ctx
,
1854 uint32_t security_info_wanted
,
1855 uint32_t max_data_count
,
1856 uint8_t **ppmarshalled_sd
,
1860 struct security_descriptor
*psd
= NULL
;
1863 * Get the permissions to return.
1866 if ((security_info_wanted
& SECINFO_SACL
) &&
1867 !(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
1868 DEBUG(10, ("Access to SACL denied.\n"));
1869 return NT_STATUS_ACCESS_DENIED
;
1872 if ((security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|SECINFO_GROUP
)) &&
1873 !(fsp
->access_mask
& SEC_STD_READ_CONTROL
)) {
1874 DEBUG(10, ("Access to DACL, OWNER, or GROUP denied.\n"));
1875 return NT_STATUS_ACCESS_DENIED
;
1878 if (security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|
1879 SECINFO_GROUP
|SECINFO_SACL
)) {
1880 /* Don't return SECINFO_LABEL if anything else was
1881 requested. See bug #8458. */
1882 security_info_wanted
&= ~SECINFO_LABEL
;
1885 if (!lp_nt_acl_support(SNUM(conn
))) {
1886 status
= get_null_nt_acl(mem_ctx
, &psd
);
1887 } else if (security_info_wanted
& SECINFO_LABEL
) {
1888 /* Like W2K3 return a null object. */
1889 status
= get_null_nt_acl(mem_ctx
, &psd
);
1891 status
= SMB_VFS_FGET_NT_ACL(
1892 fsp
, security_info_wanted
, &psd
);
1894 if (!NT_STATUS_IS_OK(status
)) {
1898 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1899 psd
->owner_sid
= NULL
;
1901 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1902 psd
->group_sid
= NULL
;
1904 if (!(security_info_wanted
& SECINFO_DACL
)) {
1905 psd
->type
&= ~SEC_DESC_DACL_PRESENT
;
1908 if (!(security_info_wanted
& SECINFO_SACL
)) {
1909 psd
->type
&= ~SEC_DESC_SACL_PRESENT
;
1913 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1914 * present in the reply to match Windows behavior */
1915 if (psd
->sacl
== NULL
&&
1916 security_info_wanted
& SECINFO_SACL
)
1917 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1918 if (psd
->dacl
== NULL
&&
1919 security_info_wanted
& SECINFO_DACL
)
1920 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1922 if (security_info_wanted
& SECINFO_LABEL
) {
1923 /* Like W2K3 return a null object. */
1924 psd
->owner_sid
= NULL
;
1925 psd
->group_sid
= NULL
;
1928 psd
->type
&= ~(SEC_DESC_DACL_PRESENT
|SEC_DESC_SACL_PRESENT
);
1931 *psd_size
= ndr_size_security_descriptor(psd
, 0);
1933 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1934 (unsigned long)*psd_size
));
1936 if (DEBUGLEVEL
>= 10) {
1937 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1939 NDR_PRINT_DEBUG(security_descriptor
, psd
);
1942 if (max_data_count
< *psd_size
) {
1944 return NT_STATUS_BUFFER_TOO_SMALL
;
1947 status
= marshall_sec_desc(mem_ctx
, psd
,
1948 ppmarshalled_sd
, psd_size
);
1950 if (!NT_STATUS_IS_OK(status
)) {
1956 return NT_STATUS_OK
;
1959 /****************************************************************************
1960 SMB1 reply to query a security descriptor.
1961 ****************************************************************************/
1963 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
1964 struct smb_request
*req
,
1968 uint32 parameter_count
,
1971 uint32 max_data_count
)
1973 char *params
= *ppparams
;
1974 char *data
= *ppdata
;
1976 uint32 security_info_wanted
;
1977 files_struct
*fsp
= NULL
;
1979 uint8_t *marshalled_sd
= NULL
;
1981 if(parameter_count
< 8) {
1982 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1986 fsp
= file_fsp(req
, SVAL(params
,0));
1988 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1992 security_info_wanted
= IVAL(params
,4);
1994 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1995 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
1996 (unsigned int)security_info_wanted
));
1998 params
= nttrans_realloc(ppparams
, 4);
1999 if(params
== NULL
) {
2000 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2005 * Get the permissions to return.
2008 status
= smbd_do_query_security_desc(conn
,
2011 security_info_wanted
,
2016 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
2017 SIVAL(params
,0,(uint32_t)sd_size
);
2018 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2019 params
, 4, NULL
, 0);
2023 if (!NT_STATUS_IS_OK(status
)) {
2024 reply_nterror(req
, status
);
2028 SMB_ASSERT(sd_size
> 0);
2030 SIVAL(params
,0,(uint32_t)sd_size
);
2032 if (max_data_count
< sd_size
) {
2033 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2034 params
, 4, NULL
, 0);
2039 * Allocate the data we will return.
2042 data
= nttrans_realloc(ppdata
, sd_size
);
2044 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2048 memcpy(data
, marshalled_sd
, sd_size
);
2050 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
2055 /****************************************************************************
2056 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2057 ****************************************************************************/
2059 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
2060 struct smb_request
*req
,
2064 uint32 parameter_count
,
2067 uint32 max_data_count
)
2069 char *params
= *ppparams
;
2070 char *data
= *ppdata
;
2071 files_struct
*fsp
= NULL
;
2072 uint32 security_info_sent
= 0;
2075 if(parameter_count
< 8) {
2076 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2080 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
2081 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2085 if (!CAN_WRITE(fsp
->conn
)) {
2086 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2090 if(!lp_nt_acl_support(SNUM(conn
))) {
2094 security_info_sent
= IVAL(params
,4);
2096 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2097 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
2099 if (data_count
== 0) {
2100 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2104 status
= set_sd(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
2106 if (!NT_STATUS_IS_OK(status
)) {
2107 reply_nterror(req
, status
);
2112 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2116 /****************************************************************************
2118 ****************************************************************************/
2120 static void call_nt_transact_ioctl(connection_struct
*conn
,
2121 struct smb_request
*req
,
2122 uint16
**ppsetup
, uint32 setup_count
,
2123 char **ppparams
, uint32 parameter_count
,
2124 char **ppdata
, uint32 data_count
,
2125 uint32 max_data_count
)
2133 char *out_data
= NULL
;
2134 uint32 out_data_len
= 0;
2135 char *pdata
= *ppdata
;
2136 TALLOC_CTX
*ctx
= talloc_tos();
2138 if (setup_count
!= 8) {
2139 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
2140 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2144 function
= IVAL(*ppsetup
, 0);
2145 fidnum
= SVAL(*ppsetup
, 4);
2146 isFSctl
= CVAL(*ppsetup
, 6);
2147 compfilter
= CVAL(*ppsetup
, 7);
2149 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2150 function
, fidnum
, isFSctl
, compfilter
));
2152 fsp
=file_fsp(req
, fidnum
);
2155 * We don't really implement IOCTLs, especially on files.
2158 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2160 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2164 /* Has to be for an open file! */
2165 if (!check_fsp_open(conn
, req
, fsp
)) {
2169 SMB_PERFCOUNT_SET_IOCTL(&req
->pcd
, function
);
2172 * out_data might be allocated by the VFS module, but talloc should be
2173 * used, and should be cleaned up when the request ends.
2175 status
= SMB_VFS_FSCTL(fsp
,
2181 (uint8_t **)&out_data
,
2184 if (!NT_STATUS_IS_OK(status
)) {
2185 reply_nterror(req
, status
);
2187 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, out_data
, out_data_len
);
2192 #ifdef HAVE_SYS_QUOTAS
2193 /****************************************************************************
2194 Reply to get user quota
2195 ****************************************************************************/
2197 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2198 struct smb_request
*req
,
2202 uint32 parameter_count
,
2205 uint32 max_data_count
)
2207 NTSTATUS nt_status
= NT_STATUS_OK
;
2208 char *params
= *ppparams
;
2209 char *pdata
= *ppdata
;
2211 int data_len
=0,param_len
=0;
2214 files_struct
*fsp
= NULL
;
2218 bool start_enum
= True
;
2219 SMB_NTQUOTA_STRUCT qt
;
2220 SMB_NTQUOTA_LIST
*tmp_list
;
2221 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2226 if (get_current_uid(conn
) != 0) {
2227 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2228 "[%s]\n", lp_servicename(SNUM(conn
)),
2229 conn
->session_info
->unix_info
->unix_name
));
2230 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2235 * Ensure minimum number of parameters sent.
2238 if (parameter_count
< 4) {
2239 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2240 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2244 /* maybe we can check the quota_fnum */
2245 fsp
= file_fsp(req
, SVAL(params
,0));
2246 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2247 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2248 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2252 /* the NULL pointer checking for fsp->fake_file_handle->pd
2253 * is done by CHECK_NTQUOTA_HANDLE_OK()
2255 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2257 level
= SVAL(params
,2);
2259 /* unknown 12 bytes leading in params */
2262 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2263 /* seems that we should continue with the enum here --metze */
2265 if (qt_handle
->quota_list
!=NULL
&&
2266 qt_handle
->tmp_list
==NULL
) {
2269 free_ntquota_list(&(qt_handle
->quota_list
));
2271 /* Realloc the size of parameters and data we will return */
2273 params
= nttrans_realloc(ppparams
, param_len
);
2274 if(params
== NULL
) {
2275 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2280 SIVAL(params
,0,data_len
);
2287 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2289 if (qt_handle
->quota_list
==NULL
&&
2290 qt_handle
->tmp_list
==NULL
) {
2294 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2295 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2299 /* Realloc the size of parameters and data we will return */
2301 params
= nttrans_realloc(ppparams
, param_len
);
2302 if(params
== NULL
) {
2303 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2307 /* we should not trust the value in max_data_count*/
2308 max_data_count
= MIN(max_data_count
,2048);
2310 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2312 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2318 /* set params Size of returned Quota Data 4 bytes*/
2319 /* but set it later when we know it */
2321 /* for each entry push the data */
2324 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2327 tmp_list
= qt_handle
->tmp_list
;
2329 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2330 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2332 sid_len
= ndr_size_dom_sid(
2333 &tmp_list
->quotas
->sid
, 0);
2334 entry_len
= 40 + sid_len
;
2336 /* nextoffset entry 4 bytes */
2337 SIVAL(entry
,0,entry_len
);
2339 /* then the len of the SID 4 bytes */
2340 SIVAL(entry
,4,sid_len
);
2342 /* unknown data 8 bytes uint64_t */
2343 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2345 /* the used disk space 8 bytes uint64_t */
2346 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2348 /* the soft quotas 8 bytes uint64_t */
2349 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2351 /* the hard quotas 8 bytes uint64_t */
2352 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2354 /* and now the SID */
2355 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2358 qt_handle
->tmp_list
= tmp_list
;
2360 /* overwrite the offset of the last entry */
2361 SIVAL(entry
-entry_len
,0,0);
2363 data_len
= 4+qt_len
;
2364 /* overwrite the params quota_data_len */
2365 SIVAL(params
,0,data_len
);
2369 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2371 /* unknown 4 bytes IVAL(pdata,0) */
2373 if (data_count
< 8) {
2374 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2375 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2379 sid_len
= IVAL(pdata
,4);
2380 /* Ensure this is less than 1mb. */
2381 if (sid_len
> (1024*1024)) {
2382 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2386 if (data_count
< 8+sid_len
) {
2387 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2388 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2392 data_len
= 4+40+sid_len
;
2394 if (max_data_count
< data_len
) {
2395 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2396 max_data_count
, data_len
));
2398 SIVAL(params
,0,data_len
);
2400 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2404 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2405 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2409 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2412 * we have to return zero's in all fields
2413 * instead of returning an error here
2418 /* Realloc the size of parameters and data we will return */
2420 params
= nttrans_realloc(ppparams
, param_len
);
2421 if(params
== NULL
) {
2422 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2426 pdata
= nttrans_realloc(ppdata
, data_len
);
2428 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2434 /* set params Size of returned Quota Data 4 bytes*/
2435 SIVAL(params
,0,data_len
);
2437 /* nextoffset entry 4 bytes */
2440 /* then the len of the SID 4 bytes */
2441 SIVAL(entry
,4,sid_len
);
2443 /* unknown data 8 bytes uint64_t */
2444 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2446 /* the used disk space 8 bytes uint64_t */
2447 SBIG_UINT(entry
,16,qt
.usedspace
);
2449 /* the soft quotas 8 bytes uint64_t */
2450 SBIG_UINT(entry
,24,qt
.softlim
);
2452 /* the hard quotas 8 bytes uint64_t */
2453 SBIG_UINT(entry
,32,qt
.hardlim
);
2455 /* and now the SID */
2456 sid_linearize(entry
+40, sid_len
, &sid
);
2461 DEBUG(0, ("do_nt_transact_get_user_quota: %s: unknown "
2463 fsp_fnum_dbg(fsp
), level
));
2464 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2469 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2473 /****************************************************************************
2474 Reply to set user quota
2475 ****************************************************************************/
2477 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2478 struct smb_request
*req
,
2482 uint32 parameter_count
,
2485 uint32 max_data_count
)
2487 char *params
= *ppparams
;
2488 char *pdata
= *ppdata
;
2489 int data_len
=0,param_len
=0;
2490 SMB_NTQUOTA_STRUCT qt
;
2493 files_struct
*fsp
= NULL
;
2498 if (get_current_uid(conn
) != 0) {
2499 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2500 "[%s]\n", lp_servicename(SNUM(conn
)),
2501 conn
->session_info
->unix_info
->unix_name
));
2502 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2507 * Ensure minimum number of parameters sent.
2510 if (parameter_count
< 2) {
2511 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2512 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2516 /* maybe we can check the quota_fnum */
2517 fsp
= file_fsp(req
, SVAL(params
,0));
2518 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2519 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2520 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2524 if (data_count
< 40) {
2525 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2526 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2530 /* offset to next quota record.
2531 * 4 bytes IVAL(pdata,0)
2536 sid_len
= IVAL(pdata
,4);
2538 if (data_count
< 40+sid_len
|| (40+sid_len
< sid_len
)) {
2539 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2540 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2544 /* unknown 8 bytes in pdata
2545 * maybe its the change time in NTTIME
2548 /* the used space 8 bytes (uint64_t)*/
2549 qt
.usedspace
= BVAL(pdata
,16);
2551 /* the soft quotas 8 bytes (uint64_t)*/
2552 qt
.softlim
= BVAL(pdata
,24);
2554 /* the hard quotas 8 bytes (uint64_t)*/
2555 qt
.hardlim
= BVAL(pdata
,32);
2557 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2558 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2562 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2564 /* 44 unknown bytes left... */
2566 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2567 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2571 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2574 #endif /* HAVE_SYS_QUOTAS */
2576 static void handle_nttrans(connection_struct
*conn
,
2577 struct trans_state
*state
,
2578 struct smb_request
*req
)
2580 if (get_Protocol() >= PROTOCOL_NT1
) {
2581 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2582 SSVAL(discard_const_p(uint8_t, req
->inbuf
),smb_flg2
,req
->flags2
);
2586 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2588 /* Now we must call the relevant NT_TRANS function */
2589 switch(state
->call
) {
2590 case NT_TRANSACT_CREATE
:
2592 START_PROFILE(NT_transact_create
);
2593 call_nt_transact_create(
2595 &state
->setup
, state
->setup_count
,
2596 &state
->param
, state
->total_param
,
2597 &state
->data
, state
->total_data
,
2598 state
->max_data_return
);
2599 END_PROFILE(NT_transact_create
);
2603 case NT_TRANSACT_IOCTL
:
2605 START_PROFILE(NT_transact_ioctl
);
2606 call_nt_transact_ioctl(
2608 &state
->setup
, state
->setup_count
,
2609 &state
->param
, state
->total_param
,
2610 &state
->data
, state
->total_data
,
2611 state
->max_data_return
);
2612 END_PROFILE(NT_transact_ioctl
);
2616 case NT_TRANSACT_SET_SECURITY_DESC
:
2618 START_PROFILE(NT_transact_set_security_desc
);
2619 call_nt_transact_set_security_desc(
2621 &state
->setup
, state
->setup_count
,
2622 &state
->param
, state
->total_param
,
2623 &state
->data
, state
->total_data
,
2624 state
->max_data_return
);
2625 END_PROFILE(NT_transact_set_security_desc
);
2629 case NT_TRANSACT_NOTIFY_CHANGE
:
2631 START_PROFILE(NT_transact_notify_change
);
2632 call_nt_transact_notify_change(
2634 &state
->setup
, state
->setup_count
,
2635 &state
->param
, state
->total_param
,
2636 &state
->data
, state
->total_data
,
2637 state
->max_data_return
,
2638 state
->max_param_return
);
2639 END_PROFILE(NT_transact_notify_change
);
2643 case NT_TRANSACT_RENAME
:
2645 START_PROFILE(NT_transact_rename
);
2646 call_nt_transact_rename(
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_rename
);
2656 case NT_TRANSACT_QUERY_SECURITY_DESC
:
2658 START_PROFILE(NT_transact_query_security_desc
);
2659 call_nt_transact_query_security_desc(
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_query_security_desc
);
2669 #ifdef HAVE_SYS_QUOTAS
2670 case NT_TRANSACT_GET_USER_QUOTA
:
2672 START_PROFILE(NT_transact_get_user_quota
);
2673 call_nt_transact_get_user_quota(
2675 &state
->setup
, state
->setup_count
,
2676 &state
->param
, state
->total_param
,
2677 &state
->data
, state
->total_data
,
2678 state
->max_data_return
);
2679 END_PROFILE(NT_transact_get_user_quota
);
2683 case NT_TRANSACT_SET_USER_QUOTA
:
2685 START_PROFILE(NT_transact_set_user_quota
);
2686 call_nt_transact_set_user_quota(
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_set_user_quota
);
2695 #endif /* HAVE_SYS_QUOTAS */
2698 /* Error in request */
2699 DEBUG(0,("handle_nttrans: Unknown request %d in "
2700 "nttrans call\n", state
->call
));
2701 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2707 /****************************************************************************
2708 Reply to a SMBNTtrans.
2709 ****************************************************************************/
2711 void reply_nttrans(struct smb_request
*req
)
2713 connection_struct
*conn
= req
->conn
;
2718 uint16 function_code
;
2720 struct trans_state
*state
;
2722 START_PROFILE(SMBnttrans
);
2724 if (req
->wct
< 19) {
2725 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2726 END_PROFILE(SMBnttrans
);
2730 pscnt
= IVAL(req
->vwv
+9, 1);
2731 psoff
= IVAL(req
->vwv
+11, 1);
2732 dscnt
= IVAL(req
->vwv
+13, 1);
2733 dsoff
= IVAL(req
->vwv
+15, 1);
2734 function_code
= SVAL(req
->vwv
+18, 0);
2736 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
2737 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2738 END_PROFILE(SMBnttrans
);
2742 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
2743 if (!NT_STATUS_IS_OK(result
)) {
2744 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
2745 reply_nterror(req
, result
);
2746 END_PROFILE(SMBnttrans
);
2750 if ((state
= talloc(conn
, struct trans_state
)) == NULL
) {
2751 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2752 END_PROFILE(SMBnttrans
);
2756 state
->cmd
= SMBnttrans
;
2758 state
->mid
= req
->mid
;
2759 state
->vuid
= req
->vuid
;
2760 state
->total_data
= IVAL(req
->vwv
+3, 1);
2762 state
->total_param
= IVAL(req
->vwv
+1, 1);
2763 state
->param
= NULL
;
2764 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
2765 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
2767 /* setup count is in *words* */
2768 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
2769 state
->setup
= NULL
;
2770 state
->call
= function_code
;
2772 DEBUG(10, ("num_setup=%u, "
2773 "param_total=%u, this_param=%u, max_param=%u, "
2774 "data_total=%u, this_data=%u, max_data=%u, "
2775 "param_offset=%u, data_offset=%u\n",
2776 (unsigned)state
->setup_count
,
2777 (unsigned)state
->total_param
, (unsigned)pscnt
,
2778 (unsigned)state
->max_param_return
,
2779 (unsigned)state
->total_data
, (unsigned)dscnt
,
2780 (unsigned)state
->max_data_return
,
2781 (unsigned)psoff
, (unsigned)dsoff
));
2784 * All nttrans messages we handle have smb_wct == 19 +
2785 * state->setup_count. Ensure this is so as a sanity check.
2788 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
2789 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2790 req
->wct
, 19 + (state
->setup_count
/2)));
2794 /* Don't allow more than 128mb for each value. */
2795 if ((state
->total_data
> (1024*1024*128)) ||
2796 (state
->total_param
> (1024*1024*128))) {
2797 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2798 END_PROFILE(SMBnttrans
);
2802 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
2805 if (state
->total_data
) {
2807 if (trans_oob(state
->total_data
, 0, dscnt
)
2808 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
2812 /* Can't use talloc here, the core routines do realloc on the
2813 * params and data. */
2814 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
2815 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2816 "bytes !\n", (unsigned int)state
->total_data
));
2818 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2819 END_PROFILE(SMBnttrans
);
2823 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
2826 if (state
->total_param
) {
2828 if (trans_oob(state
->total_param
, 0, pscnt
)
2829 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
2833 /* Can't use talloc here, the core routines do realloc on the
2834 * params and data. */
2835 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
2836 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2837 "bytes !\n", (unsigned int)state
->total_param
));
2838 SAFE_FREE(state
->data
);
2840 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2841 END_PROFILE(SMBnttrans
);
2845 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
2848 state
->received_data
= dscnt
;
2849 state
->received_param
= pscnt
;
2851 if(state
->setup_count
> 0) {
2852 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2853 state
->setup_count
));
2856 * No overflow possible here, state->setup_count is an
2857 * unsigned int, being filled by a single byte from
2858 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2859 * below is not necessary, it's here to clarify things. The
2860 * validity of req->vwv and req->wct has been checked in
2861 * init_smb_request already.
2863 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
2867 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
2868 if (state
->setup
== NULL
) {
2869 DEBUG(0,("reply_nttrans : Out of memory\n"));
2870 SAFE_FREE(state
->data
);
2871 SAFE_FREE(state
->param
);
2873 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2874 END_PROFILE(SMBnttrans
);
2878 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
2879 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
2882 if ((state
->received_data
== state
->total_data
) &&
2883 (state
->received_param
== state
->total_param
)) {
2884 handle_nttrans(conn
, state
, req
);
2885 SAFE_FREE(state
->param
);
2886 SAFE_FREE(state
->data
);
2888 END_PROFILE(SMBnttrans
);
2892 DLIST_ADD(conn
->pending_trans
, state
);
2894 /* We need to send an interim response then receive the rest
2895 of the parameter/data bytes */
2896 reply_outbuf(req
, 0, 0);
2897 show_msg((char *)req
->outbuf
);
2898 END_PROFILE(SMBnttrans
);
2903 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2904 SAFE_FREE(state
->data
);
2905 SAFE_FREE(state
->param
);
2907 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2908 END_PROFILE(SMBnttrans
);
2912 /****************************************************************************
2913 Reply to a SMBnttranss
2914 ****************************************************************************/
2916 void reply_nttranss(struct smb_request
*req
)
2918 connection_struct
*conn
= req
->conn
;
2919 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
2920 struct trans_state
*state
;
2922 START_PROFILE(SMBnttranss
);
2924 show_msg((const char *)req
->inbuf
);
2926 /* Windows clients expect all replies to
2927 an NT transact secondary (SMBnttranss 0xA1)
2928 to have a command code of NT transact
2929 (SMBnttrans 0xA0). See bug #8989 for details. */
2930 req
->cmd
= SMBnttrans
;
2932 if (req
->wct
< 18) {
2933 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2934 END_PROFILE(SMBnttranss
);
2938 for (state
= conn
->pending_trans
; state
!= NULL
;
2939 state
= state
->next
) {
2940 if (state
->mid
== req
->mid
) {
2945 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
2946 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2947 END_PROFILE(SMBnttranss
);
2951 /* Revise state->total_param and state->total_data in case they have
2952 changed downwards */
2953 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
2954 state
->total_param
= IVAL(req
->vwv
+1, 1);
2956 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
2957 state
->total_data
= IVAL(req
->vwv
+3, 1);
2960 pcnt
= IVAL(req
->vwv
+5, 1);
2961 poff
= IVAL(req
->vwv
+7, 1);
2962 pdisp
= IVAL(req
->vwv
+9, 1);
2964 dcnt
= IVAL(req
->vwv
+11, 1);
2965 doff
= IVAL(req
->vwv
+13, 1);
2966 ddisp
= IVAL(req
->vwv
+15, 1);
2968 state
->received_param
+= pcnt
;
2969 state
->received_data
+= dcnt
;
2971 if ((state
->received_data
> state
->total_data
) ||
2972 (state
->received_param
> state
->total_param
))
2976 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
2977 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
2980 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
2984 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
2985 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
2988 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
2991 if ((state
->received_param
< state
->total_param
) ||
2992 (state
->received_data
< state
->total_data
)) {
2993 END_PROFILE(SMBnttranss
);
2997 handle_nttrans(conn
, state
, req
);
2999 DLIST_REMOVE(conn
->pending_trans
, state
);
3000 SAFE_FREE(state
->data
);
3001 SAFE_FREE(state
->param
);
3003 END_PROFILE(SMBnttranss
);
3008 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3009 DLIST_REMOVE(conn
->pending_trans
, state
);
3010 SAFE_FREE(state
->data
);
3011 SAFE_FREE(state
->param
);
3013 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3014 END_PROFILE(SMBnttranss
);