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 "smbd/globals.h"
24 extern const struct generic_mapping file_generic_mapping
;
26 static char *nttrans_realloc(char **ptr
, size_t size
)
29 smb_panic("nttrans_realloc() called with NULL ptr");
32 *ptr
= (char *)SMB_REALLOC(*ptr
, size
);
36 memset(*ptr
,'\0',size
);
40 /****************************************************************************
41 Send the required number of replies back.
42 We assume all fields other than the data fields are
43 set correctly for the type of call.
44 HACK ! Always assumes smb_setup field is zero.
45 ****************************************************************************/
47 void send_nt_replies(connection_struct
*conn
,
48 struct smb_request
*req
, NTSTATUS nt_error
,
49 char *params
, int paramsize
,
50 char *pdata
, int datasize
)
52 int data_to_send
= datasize
;
53 int params_to_send
= paramsize
;
57 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
58 int alignment_offset
= 3;
59 int data_alignment_offset
= 0;
60 struct smbd_server_connection
*sconn
= smbd_server_conn
;
61 int max_send
= sconn
->smb1
.sessions
.max_send
;
64 * If there genuinely are no parameters or data to send just send
68 if(params_to_send
== 0 && data_to_send
== 0) {
69 reply_outbuf(req
, 18, 0);
70 if (NT_STATUS_V(nt_error
)) {
71 error_packet_set((char *)req
->outbuf
,
75 show_msg((char *)req
->outbuf
);
76 if (!srv_send_smb(smbd_server_fd(),
79 IS_CONN_ENCRYPTED(conn
),
81 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
83 TALLOC_FREE(req
->outbuf
);
88 * When sending params and data ensure that both are nicely aligned.
89 * Only do this alignment when there is also data to send - else
90 * can cause NT redirector problems.
93 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
94 data_alignment_offset
= 4 - (params_to_send
% 4);
98 * Space is bufsize minus Netbios over TCP header minus SMB header.
99 * The alignment_offset is to align the param bytes on a four byte
100 * boundary (2 bytes for data len, one byte pad).
101 * NT needs this to work correctly.
104 useable_space
= max_send
- (smb_size
107 + data_alignment_offset
);
109 if (useable_space
< 0) {
110 char *msg
= talloc_asprintf(
112 "send_nt_replies failed sanity useable_space = %d!!!",
114 DEBUG(0, ("%s\n", msg
));
115 exit_server_cleanly(msg
);
118 while (params_to_send
|| data_to_send
) {
121 * Calculate whether we will totally or partially fill this packet.
124 total_sent_thistime
= params_to_send
+ data_to_send
;
127 * We can never send more than useable_space.
130 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
132 reply_outbuf(req
, 18,
133 total_sent_thistime
+ alignment_offset
134 + data_alignment_offset
);
137 * We might have had SMBnttranss in req->inbuf, fix that.
139 SCVAL(req
->outbuf
, smb_com
, SMBnttrans
);
142 * Set total params and data to be sent.
145 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
146 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
149 * Calculate how many parameters and data we can fit into
150 * this packet. Parameters get precedence.
153 params_sent_thistime
= MIN(params_to_send
,useable_space
);
154 data_sent_thistime
= useable_space
- params_sent_thistime
;
155 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
157 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
158 params_sent_thistime
);
160 if(params_sent_thistime
== 0) {
161 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
162 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
165 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
166 * parameter bytes, however the first 4 bytes of outbuf are
167 * the Netbios over TCP header. Thus use smb_base() to subtract
168 * them from the calculation.
171 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
172 ((smb_buf(req
->outbuf
)+alignment_offset
)
173 - smb_base(req
->outbuf
)));
175 * Absolute displacement of param bytes sent in this packet.
178 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
183 * Deal with the data portion.
186 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
188 if(data_sent_thistime
== 0) {
189 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
190 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
193 * The offset of the data bytes is the offset of the
194 * parameter bytes plus the number of parameters being sent this time.
197 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
198 ((smb_buf(req
->outbuf
)+alignment_offset
) -
199 smb_base(req
->outbuf
))
200 + params_sent_thistime
+ data_alignment_offset
);
201 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
205 * Copy the param bytes into the packet.
208 if(params_sent_thistime
) {
209 if (alignment_offset
!= 0) {
210 memset(smb_buf(req
->outbuf
), 0,
213 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
214 params_sent_thistime
);
218 * Copy in the data bytes
221 if(data_sent_thistime
) {
222 if (data_alignment_offset
!= 0) {
223 memset((smb_buf(req
->outbuf
)+alignment_offset
+
224 params_sent_thistime
), 0,
225 data_alignment_offset
);
227 memcpy(smb_buf(req
->outbuf
)+alignment_offset
228 +params_sent_thistime
+data_alignment_offset
,
229 pd
,data_sent_thistime
);
232 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
233 params_sent_thistime
, data_sent_thistime
, useable_space
));
234 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
235 params_to_send
, data_to_send
, paramsize
, datasize
));
237 if (NT_STATUS_V(nt_error
)) {
238 error_packet_set((char *)req
->outbuf
,
243 /* Send the packet */
244 show_msg((char *)req
->outbuf
);
245 if (!srv_send_smb(smbd_server_fd(),
248 IS_CONN_ENCRYPTED(conn
),
250 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
253 TALLOC_FREE(req
->outbuf
);
255 pp
+= params_sent_thistime
;
256 pd
+= data_sent_thistime
;
258 params_to_send
-= params_sent_thistime
;
259 data_to_send
-= data_sent_thistime
;
265 if(params_to_send
< 0 || data_to_send
< 0) {
266 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
267 params_to_send
, data_to_send
));
268 exit_server_cleanly("send_nt_replies: internal error");
273 /****************************************************************************
274 Reply to an NT create and X call on a pipe
275 ****************************************************************************/
277 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
278 struct smb_request
*req
, int *ppnum
)
283 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
285 /* Strip \\ off the name. */
288 status
= open_np_file(req
, fname
, &fsp
);
289 if (!NT_STATUS_IS_OK(status
)) {
290 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
291 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
295 reply_nterror(req
, status
);
303 /****************************************************************************
304 Reply to an NT create and X call for pipes.
305 ****************************************************************************/
307 static void do_ntcreate_pipe_open(connection_struct
*conn
,
308 struct smb_request
*req
)
313 uint32 flags
= IVAL(req
->vwv
+3, 1);
314 TALLOC_CTX
*ctx
= talloc_tos();
316 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
319 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
323 nt_open_pipe(fname
, conn
, req
, &pnum
);
331 * Deal with pipe return.
334 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
335 /* This is very strange. We
336 * return 50 words, but only set
337 * the wcnt to 42 ? It's definately
338 * what happens on the wire....
340 reply_outbuf(req
, 50, 0);
341 SCVAL(req
->outbuf
,smb_wct
,42);
343 reply_outbuf(req
, 34, 0);
346 p
= (char *)req
->outbuf
+ smb_vwv2
;
350 SIVAL(p
,0,FILE_WAS_OPENED
);
353 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
356 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
358 SSVAL(p
,2, 0x5FF); /* ? */
361 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
363 SIVAL(p
,0,FILE_GENERIC_ALL
);
365 * For pipes W2K3 seems to return
367 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
369 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
372 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
377 struct case_semantics_state
{
378 connection_struct
*conn
;
381 bool short_case_preserve
;
384 /****************************************************************************
385 Restore case semantics.
386 ****************************************************************************/
388 static int restore_case_semantics(struct case_semantics_state
*state
)
390 state
->conn
->case_sensitive
= state
->case_sensitive
;
391 state
->conn
->case_preserve
= state
->case_preserve
;
392 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
396 /****************************************************************************
398 ****************************************************************************/
400 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
401 connection_struct
*conn
)
403 struct case_semantics_state
*result
;
405 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
410 result
->case_sensitive
= conn
->case_sensitive
;
411 result
->case_preserve
= conn
->case_preserve
;
412 result
->short_case_preserve
= conn
->short_case_preserve
;
415 conn
->case_sensitive
= True
;
416 conn
->case_preserve
= True
;
417 conn
->short_case_preserve
= True
;
419 talloc_set_destructor(result
, restore_case_semantics
);
424 /****************************************************************************
425 Reply to an NT create and X call.
426 ****************************************************************************/
428 void reply_ntcreate_and_X(struct smb_request
*req
)
430 connection_struct
*conn
= req
->conn
;
431 struct smb_filename
*smb_fname
= NULL
;
435 uint32 file_attributes
;
437 uint32 create_disposition
;
438 uint32 create_options
;
440 uint64_t allocation_size
;
441 /* Breakout the oplock request bits so we can set the
442 reply bits separately. */
444 SMB_OFF_T file_len
= 0;
446 files_struct
*fsp
= NULL
;
448 struct timespec create_timespec
;
449 struct timespec c_timespec
;
450 struct timespec a_timespec
;
451 struct timespec m_timespec
;
452 struct timespec write_time_ts
;
455 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
456 struct case_semantics_state
*case_state
= NULL
;
457 TALLOC_CTX
*ctx
= talloc_tos();
459 START_PROFILE(SMBntcreateX
);
462 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
466 flags
= IVAL(req
->vwv
+3, 1);
467 access_mask
= IVAL(req
->vwv
+7, 1);
468 file_attributes
= IVAL(req
->vwv
+13, 1);
469 share_access
= IVAL(req
->vwv
+15, 1);
470 create_disposition
= IVAL(req
->vwv
+17, 1);
471 create_options
= IVAL(req
->vwv
+19, 1);
472 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
474 allocation_size
= (uint64_t)IVAL(req
->vwv
+9, 1);
475 #ifdef LARGE_SMB_OFF_T
476 allocation_size
|= (((uint64_t)IVAL(req
->vwv
+11, 1)) << 32);
479 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
480 STR_TERMINATE
, &status
);
482 if (!NT_STATUS_IS_OK(status
)) {
483 reply_nterror(req
, status
);
487 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
488 "file_attributes = 0x%x, share_access = 0x%x, "
489 "create_disposition = 0x%x create_options = 0x%x "
490 "root_dir_fid = 0x%x, fname = %s\n",
492 (unsigned int)access_mask
,
493 (unsigned int)file_attributes
,
494 (unsigned int)share_access
,
495 (unsigned int)create_disposition
,
496 (unsigned int)create_options
,
497 (unsigned int)root_dir_fid
,
501 * we need to remove ignored bits when they come directly from the client
502 * because we reuse some of them for internal stuff
504 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
507 * If it's an IPC, use the pipe handler.
511 if (lp_nt_pipe_support()) {
512 do_ntcreate_pipe_open(conn
, req
);
515 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
519 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
520 if (oplock_request
) {
521 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
525 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
526 case_state
= set_posix_case_semantics(ctx
, conn
);
528 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
533 status
= filename_convert(ctx
,
535 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
541 TALLOC_FREE(case_state
);
543 if (!NT_STATUS_IS_OK(status
)) {
544 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
546 NT_STATUS_PATH_NOT_COVERED
,
550 reply_nterror(req
, status
);
555 * Bug #6898 - clients using Windows opens should
556 * never be able to set this attribute into the
559 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
561 status
= SMB_VFS_CREATE_FILE(
564 root_dir_fid
, /* root_dir_fid */
565 smb_fname
, /* fname */
566 access_mask
, /* access_mask */
567 share_access
, /* share_access */
568 create_disposition
, /* create_disposition*/
569 create_options
, /* create_options */
570 file_attributes
, /* file_attributes */
571 oplock_request
, /* oplock_request */
572 allocation_size
, /* allocation_size */
578 if (!NT_STATUS_IS_OK(status
)) {
579 if (open_was_deferred(req
->mid
)) {
580 /* We have re-scheduled this call, no error. */
583 reply_openerror(req
, status
);
587 /* Ensure we're pointing at the correct stat struct. */
588 TALLOC_FREE(smb_fname
);
589 smb_fname
= fsp
->fsp_name
;
592 * If the caller set the extended oplock request bit
593 * and we granted one (by whatever means) - set the
594 * correct bit for extended oplock reply.
597 if (oplock_request
&&
598 (lp_fake_oplocks(SNUM(conn
))
599 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
602 * Exclusive oplock granted
605 if (flags
& REQUEST_BATCH_OPLOCK
) {
606 oplock_granted
= BATCH_OPLOCK_RETURN
;
608 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
610 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
611 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
613 oplock_granted
= NO_OPLOCK_RETURN
;
616 file_len
= smb_fname
->st
.st_ex_size
;
618 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
619 /* This is very strange. We
620 * return 50 words, but only set
621 * the wcnt to 42 ? It's definately
622 * what happens on the wire....
624 reply_outbuf(req
, 50, 0);
625 SCVAL(req
->outbuf
,smb_wct
,42);
627 reply_outbuf(req
, 34, 0);
630 p
= (char *)req
->outbuf
+ smb_vwv2
;
632 SCVAL(p
, 0, oplock_granted
);
635 SSVAL(p
,0,fsp
->fnum
);
637 if ((create_disposition
== FILE_SUPERSEDE
)
638 && (info
== FILE_WAS_OVERWRITTEN
)) {
639 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
645 fattr
= dos_mode(conn
, smb_fname
);
647 fattr
= FILE_ATTRIBUTE_NORMAL
;
650 /* Deal with other possible opens having a modified
652 ZERO_STRUCT(write_time_ts
);
653 get_file_infos(fsp
->file_id
, NULL
, &write_time_ts
);
654 if (!null_timespec(write_time_ts
)) {
655 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
659 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
660 a_timespec
= smb_fname
->st
.st_ex_atime
;
661 m_timespec
= smb_fname
->st
.st_ex_mtime
;
662 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
664 if (lp_dos_filetime_resolution(SNUM(conn
))) {
665 dos_filetime_timespec(&create_timespec
);
666 dos_filetime_timespec(&a_timespec
);
667 dos_filetime_timespec(&m_timespec
);
668 dos_filetime_timespec(&c_timespec
);
671 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
673 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
675 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
677 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
679 SIVAL(p
,0,fattr
); /* File Attributes. */
681 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
,fsp
,&smb_fname
->st
));
683 SOFF_T(p
,0,file_len
);
685 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
686 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
687 size_t num_names
= 0;
688 unsigned int num_streams
;
689 struct stream_struct
*streams
= NULL
;
691 /* Do we have any EA's ? */
692 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
693 smb_fname
->base_name
, NULL
, &num_names
);
694 if (NT_STATUS_IS_OK(status
) && num_names
) {
695 file_status
&= ~NO_EAS
;
697 status
= SMB_VFS_STREAMINFO(conn
, NULL
, smb_fname
->base_name
, ctx
,
698 &num_streams
, &streams
);
699 /* There is always one stream, ::$DATA. */
700 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
701 file_status
&= ~NO_SUBSTREAMS
;
703 TALLOC_FREE(streams
);
704 SSVAL(p
,2,file_status
);
707 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
709 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
712 if (fsp
->is_directory
||
713 can_write_to_file(conn
, smb_fname
)) {
714 perms
= FILE_GENERIC_ALL
;
716 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
721 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
722 fsp
->fnum
, smb_fname_str_dbg(smb_fname
)));
726 END_PROFILE(SMBntcreateX
);
730 /****************************************************************************
731 Reply to a NT_TRANSACT_CREATE call to open a pipe.
732 ****************************************************************************/
734 static void do_nt_transact_create_pipe(connection_struct
*conn
,
735 struct smb_request
*req
,
736 uint16
**ppsetup
, uint32 setup_count
,
737 char **ppparams
, uint32 parameter_count
,
738 char **ppdata
, uint32 data_count
)
741 char *params
= *ppparams
;
747 TALLOC_CTX
*ctx
= talloc_tos();
750 * Ensure minimum number of parameters sent.
753 if(parameter_count
< 54) {
754 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
755 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
759 flags
= IVAL(params
,0);
761 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
, params
+53,
762 parameter_count
-53, STR_TERMINATE
,
764 if (!NT_STATUS_IS_OK(status
)) {
765 reply_nterror(req
, status
);
769 nt_open_pipe(fname
, conn
, req
, &pnum
);
776 /* Realloc the size of parameters and data we will return */
777 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
778 /* Extended response is 32 more byyes. */
783 params
= nttrans_realloc(ppparams
, param_len
);
785 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
790 SCVAL(p
,0,NO_OPLOCK_RETURN
);
795 SIVAL(p
,0,FILE_WAS_OPENED
);
799 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
802 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
804 SSVAL(p
,2, 0x5FF); /* ? */
807 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
809 SIVAL(p
,0,FILE_GENERIC_ALL
);
811 * For pipes W2K3 seems to return
813 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
815 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
818 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
820 /* Send the required number of replies */
821 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
826 /****************************************************************************
827 Internal fn to set security descriptors.
828 ****************************************************************************/
830 static NTSTATUS
set_sd(files_struct
*fsp
, uint8
*data
, uint32 sd_len
,
831 uint32 security_info_sent
)
833 SEC_DESC
*psd
= NULL
;
837 return NT_STATUS_INVALID_PARAMETER
;
840 if (!CAN_WRITE(fsp
->conn
)) {
841 return NT_STATUS_ACCESS_DENIED
;
844 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
848 status
= unmarshall_sec_desc(talloc_tos(), data
, sd_len
, &psd
);
850 if (!NT_STATUS_IS_OK(status
)) {
854 if (psd
->owner_sid
== NULL
) {
855 security_info_sent
&= ~OWNER_SECURITY_INFORMATION
;
857 if (psd
->group_sid
== NULL
) {
858 security_info_sent
&= ~GROUP_SECURITY_INFORMATION
;
861 /* Ensure we have at least one thing set. */
862 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
863 return NT_STATUS_INVALID_PARAMETER
;
866 /* Ensure we have the rights to do this. */
867 if (security_info_sent
& SECINFO_OWNER
) {
868 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
869 return NT_STATUS_ACCESS_DENIED
;
873 if (security_info_sent
& SECINFO_GROUP
) {
874 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
875 return NT_STATUS_ACCESS_DENIED
;
879 if (security_info_sent
& SECINFO_DACL
) {
880 if (!(fsp
->access_mask
& SEC_STD_WRITE_DAC
)) {
881 return NT_STATUS_ACCESS_DENIED
;
883 /* Convert all the generic bits. */
885 security_acl_map_generic(psd
->dacl
, &file_generic_mapping
);
889 if (security_info_sent
& SECINFO_SACL
) {
890 if (!(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
891 return NT_STATUS_ACCESS_DENIED
;
893 /* Convert all the generic bits. */
895 security_acl_map_generic(psd
->sacl
, &file_generic_mapping
);
899 if (DEBUGLEVEL
>= 10) {
900 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp
)));
901 NDR_PRINT_DEBUG(security_descriptor
, psd
);
904 status
= SMB_VFS_FSET_NT_ACL(fsp
, security_info_sent
, psd
);
911 /****************************************************************************
912 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
913 ****************************************************************************/
915 struct ea_list
*read_nttrans_ea_list(TALLOC_CTX
*ctx
, const char *pdata
, size_t data_size
)
917 struct ea_list
*ea_list_head
= NULL
;
924 while (offset
+ 4 <= data_size
) {
925 size_t next_offset
= IVAL(pdata
,offset
);
926 struct ea_list
*eal
= read_ea_list_entry(ctx
, pdata
+ offset
+ 4, data_size
- offset
- 4, NULL
);
932 DLIST_ADD_END(ea_list_head
, eal
, struct ea_list
*);
933 if (next_offset
== 0) {
936 offset
+= next_offset
;
942 /****************************************************************************
943 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
944 ****************************************************************************/
946 static void call_nt_transact_create(connection_struct
*conn
,
947 struct smb_request
*req
,
948 uint16
**ppsetup
, uint32 setup_count
,
949 char **ppparams
, uint32 parameter_count
,
950 char **ppdata
, uint32 data_count
,
951 uint32 max_data_count
)
953 struct smb_filename
*smb_fname
= NULL
;
955 char *params
= *ppparams
;
956 char *data
= *ppdata
;
957 /* Breakout the oplock request bits so we can set the reply bits separately. */
959 SMB_OFF_T file_len
= 0;
961 files_struct
*fsp
= NULL
;
965 uint32 file_attributes
;
967 uint32 create_disposition
;
968 uint32 create_options
;
970 struct security_descriptor
*sd
= NULL
;
973 struct timespec create_timespec
;
974 struct timespec c_timespec
;
975 struct timespec a_timespec
;
976 struct timespec m_timespec
;
977 struct timespec write_time_ts
;
978 struct ea_list
*ea_list
= NULL
;
981 uint64_t allocation_size
;
983 uint8_t oplock_granted
;
984 struct case_semantics_state
*case_state
= NULL
;
985 TALLOC_CTX
*ctx
= talloc_tos();
987 DEBUG(5,("call_nt_transact_create\n"));
990 * If it's an IPC, use the pipe handler.
994 if (lp_nt_pipe_support()) {
995 do_nt_transact_create_pipe(
997 ppsetup
, setup_count
,
998 ppparams
, parameter_count
,
1002 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1007 * Ensure minimum number of parameters sent.
1010 if(parameter_count
< 54) {
1011 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1012 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1016 flags
= IVAL(params
,0);
1017 access_mask
= IVAL(params
,8);
1018 file_attributes
= IVAL(params
,20);
1019 share_access
= IVAL(params
,24);
1020 create_disposition
= IVAL(params
,28);
1021 create_options
= IVAL(params
,32);
1022 sd_len
= IVAL(params
,36);
1023 ea_len
= IVAL(params
,40);
1024 root_dir_fid
= (uint16
)IVAL(params
,4);
1025 allocation_size
= (uint64_t)IVAL(params
,12);
1026 #ifdef LARGE_SMB_OFF_T
1027 allocation_size
|= (((uint64_t)IVAL(params
,16)) << 32);
1031 * we need to remove ignored bits when they come directly from the client
1032 * because we reuse some of them for internal stuff
1034 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1036 /* Ensure the data_len is correct for the sd and ea values given. */
1037 if ((ea_len
+ sd_len
> data_count
)
1038 || (ea_len
> data_count
) || (sd_len
> data_count
)
1039 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1040 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1041 "%u, data_count = %u\n", (unsigned int)ea_len
,
1042 (unsigned int)sd_len
, (unsigned int)data_count
));
1043 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1048 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1051 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1053 if (!NT_STATUS_IS_OK(status
)) {
1054 DEBUG(10, ("call_nt_transact_create: "
1055 "unmarshall_sec_desc failed: %s\n",
1056 nt_errstr(status
)));
1057 reply_nterror(req
, status
);
1063 if (!lp_ea_support(SNUM(conn
))) {
1064 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1065 "EA's not supported.\n",
1066 (unsigned int)ea_len
));
1067 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1072 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1073 "too small (should be more than 10)\n",
1074 (unsigned int)ea_len
));
1075 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1079 /* We have already checked that ea_len <= data_count here. */
1080 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1082 if (ea_list
== NULL
) {
1083 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1088 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1089 params
+53, parameter_count
-53,
1090 STR_TERMINATE
, &status
);
1091 if (!NT_STATUS_IS_OK(status
)) {
1092 reply_nterror(req
, status
);
1096 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1097 case_state
= set_posix_case_semantics(ctx
, conn
);
1099 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1104 status
= filename_convert(ctx
,
1106 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1112 TALLOC_FREE(case_state
);
1114 if (!NT_STATUS_IS_OK(status
)) {
1115 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1116 reply_botherror(req
,
1117 NT_STATUS_PATH_NOT_COVERED
,
1118 ERRSRV
, ERRbadpath
);
1121 reply_nterror(req
, status
);
1125 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1126 if (oplock_request
) {
1127 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1132 * Bug #6898 - clients using Windows opens should
1133 * never be able to set this attribute into the
1136 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1138 status
= SMB_VFS_CREATE_FILE(
1141 root_dir_fid
, /* root_dir_fid */
1142 smb_fname
, /* fname */
1143 access_mask
, /* access_mask */
1144 share_access
, /* share_access */
1145 create_disposition
, /* create_disposition*/
1146 create_options
, /* create_options */
1147 file_attributes
, /* file_attributes */
1148 oplock_request
, /* oplock_request */
1149 allocation_size
, /* allocation_size */
1151 ea_list
, /* ea_list */
1155 if(!NT_STATUS_IS_OK(status
)) {
1156 if (open_was_deferred(req
->mid
)) {
1157 /* We have re-scheduled this call, no error. */
1160 reply_openerror(req
, status
);
1164 /* Ensure we're pointing at the correct stat struct. */
1165 TALLOC_FREE(smb_fname
);
1166 smb_fname
= fsp
->fsp_name
;
1169 * If the caller set the extended oplock request bit
1170 * and we granted one (by whatever means) - set the
1171 * correct bit for extended oplock reply.
1174 if (oplock_request
&&
1175 (lp_fake_oplocks(SNUM(conn
))
1176 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1179 * Exclusive oplock granted
1182 if (flags
& REQUEST_BATCH_OPLOCK
) {
1183 oplock_granted
= BATCH_OPLOCK_RETURN
;
1185 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1187 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1188 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1190 oplock_granted
= NO_OPLOCK_RETURN
;
1193 file_len
= smb_fname
->st
.st_ex_size
;
1195 /* Realloc the size of parameters and data we will return */
1196 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1197 /* Extended response is 32 more byyes. */
1202 params
= nttrans_realloc(ppparams
, param_len
);
1203 if(params
== NULL
) {
1204 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1209 SCVAL(p
, 0, oplock_granted
);
1212 SSVAL(p
,0,fsp
->fnum
);
1214 if ((create_disposition
== FILE_SUPERSEDE
)
1215 && (info
== FILE_WAS_OVERWRITTEN
)) {
1216 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1222 fattr
= dos_mode(conn
, smb_fname
);
1224 fattr
= FILE_ATTRIBUTE_NORMAL
;
1227 /* Deal with other possible opens having a modified
1229 ZERO_STRUCT(write_time_ts
);
1230 get_file_infos(fsp
->file_id
, NULL
, &write_time_ts
);
1231 if (!null_timespec(write_time_ts
)) {
1232 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1236 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1237 a_timespec
= smb_fname
->st
.st_ex_atime
;
1238 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1239 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1241 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1242 dos_filetime_timespec(&create_timespec
);
1243 dos_filetime_timespec(&a_timespec
);
1244 dos_filetime_timespec(&m_timespec
);
1245 dos_filetime_timespec(&c_timespec
);
1248 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1250 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1252 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1254 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1256 SIVAL(p
,0,fattr
); /* File Attributes. */
1258 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1260 SOFF_T(p
,0,file_len
);
1262 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1266 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1268 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1271 if (fsp
->is_directory
||
1272 can_write_to_file(conn
, smb_fname
)) {
1273 perms
= FILE_GENERIC_ALL
;
1275 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1280 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1281 smb_fname_str_dbg(smb_fname
)));
1283 /* Send the required number of replies */
1284 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1289 /****************************************************************************
1290 Reply to a NT CANCEL request.
1291 conn POINTER CAN BE NULL HERE !
1292 ****************************************************************************/
1294 void reply_ntcancel(struct smb_request
*req
)
1297 * Go through and cancel any pending change notifies.
1300 START_PROFILE(SMBntcancel
);
1301 srv_cancel_sign_response(smbd_server_conn
);
1302 remove_pending_change_notify_requests_by_mid(req
->mid
);
1303 remove_pending_lock_requests_by_mid(req
->mid
);
1305 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req
->mid
));
1307 END_PROFILE(SMBntcancel
);
1311 /****************************************************************************
1313 ****************************************************************************/
1315 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1316 connection_struct
*conn
,
1317 struct smb_request
*req
,
1318 struct smb_filename
*smb_fname_src
,
1319 struct smb_filename
*smb_fname_dst
,
1322 files_struct
*fsp1
,*fsp2
;
1326 NTSTATUS status
= NT_STATUS_OK
;
1329 if (!CAN_WRITE(conn
)) {
1330 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1334 /* Source must already exist. */
1335 if (!VALID_STAT(smb_fname_src
->st
)) {
1336 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1340 /* Ensure attributes match. */
1341 fattr
= dos_mode(conn
, smb_fname_src
);
1342 if ((fattr
& ~attrs
) & (aHIDDEN
| aSYSTEM
)) {
1343 status
= NT_STATUS_NO_SUCH_FILE
;
1347 /* Disallow if dst file already exists. */
1348 if (VALID_STAT(smb_fname_dst
->st
)) {
1349 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1353 /* No links from a directory. */
1354 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1355 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1359 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1360 smb_fname_str_dbg(smb_fname_src
),
1361 smb_fname_str_dbg(smb_fname_dst
)));
1363 status
= SMB_VFS_CREATE_FILE(
1366 0, /* root_dir_fid */
1367 smb_fname_src
, /* fname */
1368 FILE_READ_DATA
, /* access_mask */
1369 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1371 FILE_OPEN
, /* create_disposition*/
1372 0, /* create_options */
1373 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1374 NO_OPLOCK
, /* oplock_request */
1375 0, /* allocation_size */
1381 if (!NT_STATUS_IS_OK(status
)) {
1385 status
= SMB_VFS_CREATE_FILE(
1388 0, /* root_dir_fid */
1389 smb_fname_dst
, /* fname */
1390 FILE_WRITE_DATA
, /* access_mask */
1391 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1393 FILE_CREATE
, /* create_disposition*/
1394 0, /* create_options */
1395 fattr
, /* file_attributes */
1396 NO_OPLOCK
, /* oplock_request */
1397 0, /* allocation_size */
1403 if (!NT_STATUS_IS_OK(status
)) {
1404 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1408 if (smb_fname_src
->st
.st_ex_size
) {
1409 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1413 * As we are opening fsp1 read-only we only expect
1414 * an error on close on fsp2 if we are out of space.
1415 * Thus we don't look at the error return from the
1418 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1420 /* Ensure the modtime is set correctly on the destination file. */
1421 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1423 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1425 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1426 creates the file. This isn't the correct thing to do in the copy
1428 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1430 status
= NT_STATUS_NO_MEMORY
;
1433 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1434 TALLOC_FREE(parent
);
1436 if (ret
< (SMB_OFF_T
)smb_fname_src
->st
.st_ex_size
) {
1437 status
= NT_STATUS_DISK_FULL
;
1441 if (!NT_STATUS_IS_OK(status
)) {
1442 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1443 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1444 smb_fname_str_dbg(smb_fname_dst
)));
1450 /****************************************************************************
1451 Reply to a NT rename request.
1452 ****************************************************************************/
1454 void reply_ntrename(struct smb_request
*req
)
1456 connection_struct
*conn
= req
->conn
;
1457 struct smb_filename
*smb_fname_old
= NULL
;
1458 struct smb_filename
*smb_fname_new
= NULL
;
1459 char *oldname
= NULL
;
1460 char *newname
= NULL
;
1463 bool src_has_wcard
= False
;
1464 bool dest_has_wcard
= False
;
1466 uint32_t ucf_flags_src
= 0;
1467 uint32_t ucf_flags_dst
= 0;
1469 TALLOC_CTX
*ctx
= talloc_tos();
1471 START_PROFILE(SMBntrename
);
1474 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1478 attrs
= SVAL(req
->vwv
+0, 0);
1479 rename_type
= SVAL(req
->vwv
+1, 0);
1481 p
= (const char *)req
->buf
+ 1;
1482 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1483 &status
, &src_has_wcard
);
1484 if (!NT_STATUS_IS_OK(status
)) {
1485 reply_nterror(req
, status
);
1489 if (ms_has_wild(oldname
)) {
1490 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1495 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1496 &status
, &dest_has_wcard
);
1497 if (!NT_STATUS_IS_OK(status
)) {
1498 reply_nterror(req
, status
);
1502 /* The newname must begin with a ':' if the oldname contains a ':'. */
1503 if (strchr_m(oldname
, ':') && (newname
[0] != ':')) {
1504 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1509 * If this is a rename operation, allow wildcards and save the
1510 * destination's last component.
1512 if (rename_type
== RENAME_FLAG_RENAME
) {
1513 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1514 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1517 /* rename_internals() calls unix_convert(), so don't call it here. */
1518 status
= filename_convert(ctx
, conn
,
1519 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1524 if (!NT_STATUS_IS_OK(status
)) {
1525 if (NT_STATUS_EQUAL(status
,
1526 NT_STATUS_PATH_NOT_COVERED
)) {
1527 reply_botherror(req
,
1528 NT_STATUS_PATH_NOT_COVERED
,
1529 ERRSRV
, ERRbadpath
);
1532 reply_nterror(req
, status
);
1536 status
= filename_convert(ctx
, conn
,
1537 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1542 if (!NT_STATUS_IS_OK(status
)) {
1543 if (NT_STATUS_EQUAL(status
,
1544 NT_STATUS_PATH_NOT_COVERED
)) {
1545 reply_botherror(req
,
1546 NT_STATUS_PATH_NOT_COVERED
,
1547 ERRSRV
, ERRbadpath
);
1550 reply_nterror(req
, status
);
1554 DEBUG(3,("reply_ntrename: %s -> %s\n",
1555 smb_fname_str_dbg(smb_fname_old
),
1556 smb_fname_str_dbg(smb_fname_new
)));
1558 switch(rename_type
) {
1559 case RENAME_FLAG_RENAME
:
1560 status
= rename_internals(ctx
, conn
, req
,
1561 smb_fname_old
, smb_fname_new
,
1562 attrs
, False
, src_has_wcard
,
1566 case RENAME_FLAG_HARD_LINK
:
1567 if (src_has_wcard
|| dest_has_wcard
) {
1569 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1571 status
= hardlink_internals(ctx
, conn
,
1576 case RENAME_FLAG_COPY
:
1577 if (src_has_wcard
|| dest_has_wcard
) {
1579 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1581 status
= copy_internals(ctx
, conn
, req
,
1587 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1588 status
= NT_STATUS_INVALID_PARAMETER
;
1591 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1595 if (!NT_STATUS_IS_OK(status
)) {
1596 if (open_was_deferred(req
->mid
)) {
1597 /* We have re-scheduled this call. */
1601 reply_nterror(req
, status
);
1605 reply_outbuf(req
, 0, 0);
1607 END_PROFILE(SMBntrename
);
1611 /****************************************************************************
1612 Reply to a notify change - queue the request and
1613 don't allow a directory to be opened.
1614 ****************************************************************************/
1616 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1617 NTSTATUS error_code
,
1618 uint8_t *buf
, size_t len
)
1620 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1623 static void call_nt_transact_notify_change(connection_struct
*conn
,
1624 struct smb_request
*req
,
1628 uint32 parameter_count
,
1629 char **ppdata
, uint32 data_count
,
1630 uint32 max_data_count
,
1631 uint32 max_param_count
)
1633 uint16
*setup
= *ppsetup
;
1639 if(setup_count
< 6) {
1640 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1644 fsp
= file_fsp(req
, SVAL(setup
,4));
1645 filter
= IVAL(setup
, 0);
1646 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1648 DEBUG(3,("call_nt_transact_notify_change\n"));
1651 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1656 char *filter_string
;
1658 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1659 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1663 DEBUG(3,("call_nt_transact_notify_change: notify change "
1664 "called on %s, filter = %s, recursive = %d\n",
1665 fsp_str_dbg(fsp
), filter_string
, recursive
));
1667 TALLOC_FREE(filter_string
);
1670 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1671 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1675 if (fsp
->notify
== NULL
) {
1677 status
= change_notify_create(fsp
, filter
, recursive
);
1679 if (!NT_STATUS_IS_OK(status
)) {
1680 DEBUG(10, ("change_notify_create returned %s\n",
1681 nt_errstr(status
)));
1682 reply_nterror(req
, status
);
1687 if (fsp
->notify
->num_changes
!= 0) {
1690 * We've got changes pending, respond immediately
1694 * TODO: write a torture test to check the filtering behaviour
1698 change_notify_reply(fsp
->conn
, req
,
1702 smbd_smb1_notify_reply
);
1705 * change_notify_reply() above has independently sent its
1712 * No changes pending, queue the request
1715 status
= change_notify_add_request(req
,
1719 smbd_smb1_notify_reply
);
1720 if (!NT_STATUS_IS_OK(status
)) {
1721 reply_nterror(req
, status
);
1726 /****************************************************************************
1727 Reply to an NT transact rename command.
1728 ****************************************************************************/
1730 static void call_nt_transact_rename(connection_struct
*conn
,
1731 struct smb_request
*req
,
1732 uint16
**ppsetup
, uint32 setup_count
,
1733 char **ppparams
, uint32 parameter_count
,
1734 char **ppdata
, uint32 data_count
,
1735 uint32 max_data_count
)
1737 char *params
= *ppparams
;
1738 char *new_name
= NULL
;
1739 files_struct
*fsp
= NULL
;
1740 bool dest_has_wcard
= False
;
1742 TALLOC_CTX
*ctx
= talloc_tos();
1744 if(parameter_count
< 5) {
1745 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1749 fsp
= file_fsp(req
, SVAL(params
, 0));
1750 if (!check_fsp(conn
, req
, fsp
)) {
1753 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1754 parameter_count
- 4,
1755 STR_TERMINATE
, &status
, &dest_has_wcard
);
1756 if (!NT_STATUS_IS_OK(status
)) {
1757 reply_nterror(req
, status
);
1762 * W2K3 ignores this request as the RAW-RENAME test
1763 * demonstrates, so we do.
1765 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1767 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1768 fsp_str_dbg(fsp
), new_name
));
1773 /******************************************************************************
1774 Fake up a completely empty SD.
1775 *******************************************************************************/
1777 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, SEC_DESC
**ppsd
)
1781 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1783 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1784 return NT_STATUS_NO_MEMORY
;
1787 return NT_STATUS_OK
;
1790 /****************************************************************************
1791 Reply to query a security descriptor.
1792 ****************************************************************************/
1794 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
1795 struct smb_request
*req
,
1799 uint32 parameter_count
,
1802 uint32 max_data_count
)
1804 char *params
= *ppparams
;
1805 char *data
= *ppdata
;
1806 SEC_DESC
*psd
= NULL
;
1808 uint32 security_info_wanted
;
1809 files_struct
*fsp
= NULL
;
1813 if(parameter_count
< 8) {
1814 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1818 fsp
= file_fsp(req
, SVAL(params
,0));
1820 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1824 security_info_wanted
= IVAL(params
,4);
1826 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1827 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
1828 (unsigned int)security_info_wanted
));
1830 params
= nttrans_realloc(ppparams
, 4);
1831 if(params
== NULL
) {
1832 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1837 * Get the permissions to return.
1840 if (!lp_nt_acl_support(SNUM(conn
))) {
1841 status
= get_null_nt_acl(talloc_tos(), &psd
);
1843 status
= SMB_VFS_FGET_NT_ACL(
1844 fsp
, security_info_wanted
, &psd
);
1846 if (!NT_STATUS_IS_OK(status
)) {
1847 reply_nterror(req
, status
);
1851 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1852 psd
->owner_sid
= NULL
;
1854 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1855 psd
->group_sid
= NULL
;
1857 if (!(security_info_wanted
& SECINFO_DACL
)) {
1860 if (!(security_info_wanted
& SECINFO_SACL
)) {
1864 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1865 * present in the reply to match Windows behavior */
1866 if (psd
->sacl
== NULL
&&
1867 security_info_wanted
& SACL_SECURITY_INFORMATION
)
1868 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1869 if (psd
->dacl
== NULL
&&
1870 security_info_wanted
& DACL_SECURITY_INFORMATION
)
1871 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1873 sd_size
= ndr_size_security_descriptor(psd
, NULL
, 0);
1875 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size
));
1877 if (DEBUGLEVEL
>= 10) {
1878 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1880 NDR_PRINT_DEBUG(security_descriptor
, psd
);
1883 SIVAL(params
,0,(uint32
)sd_size
);
1885 if (max_data_count
< sd_size
) {
1886 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
1887 params
, 4, *ppdata
, 0);
1892 * Allocate the data we will point this at.
1895 data
= nttrans_realloc(ppdata
, sd_size
);
1897 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1901 status
= marshall_sec_desc(talloc_tos(), psd
,
1902 &blob
.data
, &blob
.length
);
1904 if (!NT_STATUS_IS_OK(status
)) {
1905 reply_nterror(req
, status
);
1909 SMB_ASSERT(sd_size
== blob
.length
);
1910 memcpy(data
, blob
.data
, sd_size
);
1912 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
1917 /****************************************************************************
1918 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1919 ****************************************************************************/
1921 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
1922 struct smb_request
*req
,
1926 uint32 parameter_count
,
1929 uint32 max_data_count
)
1931 char *params
= *ppparams
;
1932 char *data
= *ppdata
;
1933 files_struct
*fsp
= NULL
;
1934 uint32 security_info_sent
= 0;
1937 if(parameter_count
< 8) {
1938 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1942 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
1943 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1947 if(!lp_nt_acl_support(SNUM(conn
))) {
1951 security_info_sent
= IVAL(params
,4);
1953 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1954 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
1956 if (data_count
== 0) {
1957 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1961 status
= set_sd(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
1963 if (!NT_STATUS_IS_OK(status
)) {
1964 reply_nterror(req
, status
);
1969 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1973 /****************************************************************************
1975 ****************************************************************************/
1977 static void call_nt_transact_ioctl(connection_struct
*conn
,
1978 struct smb_request
*req
,
1979 uint16
**ppsetup
, uint32 setup_count
,
1980 char **ppparams
, uint32 parameter_count
,
1981 char **ppdata
, uint32 data_count
,
1982 uint32 max_data_count
)
1989 char *pdata
= *ppdata
;
1991 if (setup_count
!= 8) {
1992 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
1993 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
1997 function
= IVAL(*ppsetup
, 0);
1998 fidnum
= SVAL(*ppsetup
, 4);
1999 isFSctl
= CVAL(*ppsetup
, 6);
2000 compfilter
= CVAL(*ppsetup
, 7);
2002 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2003 function
, fidnum
, isFSctl
, compfilter
));
2005 fsp
=file_fsp(req
, fidnum
);
2006 /* this check is done in each implemented function case for now
2007 because I don't want to break anything... --metze
2008 FSP_BELONGS_CONN(fsp,conn);*/
2010 SMB_PERFCOUNT_SET_IOCTL(&req
->pcd
, function
);
2013 case FSCTL_SET_SPARSE
:
2014 /* pretend this succeeded - tho strictly we should
2015 mark the file sparse (if the local fs supports it)
2016 so we can know if we need to pre-allocate or not */
2018 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum
));
2019 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2022 case FSCTL_CREATE_OR_GET_OBJECT_ID
:
2024 unsigned char objid
[16];
2026 /* This should return the object-id on this file.
2027 * I think I'll make this be the inode+dev. JRA.
2030 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum
));
2032 if (!fsp_belongs_conn(conn
, req
, fsp
)) {
2037 pdata
= nttrans_realloc(ppdata
, data_count
);
2038 if (pdata
== NULL
) {
2039 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2043 /* For backwards compatibility only store the dev/inode. */
2044 push_file_id_16(pdata
, &fsp
->file_id
);
2045 memcpy(pdata
+16,create_volume_objectid(conn
,objid
),16);
2046 push_file_id_16(pdata
+32, &fsp
->file_id
);
2047 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0,
2052 case FSCTL_GET_REPARSE_POINT
:
2053 /* pretend this fail - my winXP does it like this
2057 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum
));
2058 reply_nterror(req
, NT_STATUS_NOT_A_REPARSE_POINT
);
2061 case FSCTL_SET_REPARSE_POINT
:
2062 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2066 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum
));
2067 reply_nterror(req
, NT_STATUS_NOT_A_REPARSE_POINT
);
2070 case FSCTL_GET_SHADOW_COPY_DATA
: /* don't know if this name is right...*/
2073 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2074 * and return their volume names. If max_data_count is 16, then it is just
2075 * asking for the number of volumes and length of the combined names.
2077 * pdata is the data allocated by our caller, but that uses
2078 * total_data_count (which is 0 in our case) rather than max_data_count.
2079 * Allocate the correct amount and return the pointer to let
2080 * it be deallocated when we return.
2082 SHADOW_COPY_DATA
*shadow_data
= NULL
;
2083 TALLOC_CTX
*shadow_mem_ctx
= NULL
;
2084 bool labels
= False
;
2085 uint32 labels_data_count
= 0;
2089 if (!fsp_belongs_conn(conn
, req
, fsp
)) {
2093 if (max_data_count
< 16) {
2094 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2096 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2100 if (max_data_count
> 16) {
2104 shadow_mem_ctx
= talloc_init("SHADOW_COPY_DATA");
2105 if (shadow_mem_ctx
== NULL
) {
2106 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2107 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2111 shadow_data
= TALLOC_ZERO_P(shadow_mem_ctx
,SHADOW_COPY_DATA
);
2112 if (shadow_data
== NULL
) {
2113 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2114 talloc_destroy(shadow_mem_ctx
);
2115 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2119 shadow_data
->mem_ctx
= shadow_mem_ctx
;
2122 * Call the VFS routine to actually do the work.
2124 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp
, shadow_data
, labels
)!=0) {
2125 talloc_destroy(shadow_data
->mem_ctx
);
2126 if (errno
== ENOSYS
) {
2127 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2128 conn
->connectpath
));
2129 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2132 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2133 conn
->connectpath
));
2134 reply_nterror(req
, NT_STATUS_UNSUCCESSFUL
);
2139 labels_data_count
= (shadow_data
->num_volumes
*2*sizeof(SHADOW_COPY_LABEL
))+2;
2144 data_count
= 12+labels_data_count
+4;
2147 if (max_data_count
<data_count
) {
2148 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2149 max_data_count
,data_count
));
2150 talloc_destroy(shadow_data
->mem_ctx
);
2151 reply_nterror(req
, NT_STATUS_BUFFER_TOO_SMALL
);
2155 pdata
= nttrans_realloc(ppdata
, data_count
);
2156 if (pdata
== NULL
) {
2157 talloc_destroy(shadow_data
->mem_ctx
);
2158 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2164 /* num_volumes 4 bytes */
2165 SIVAL(pdata
,0,shadow_data
->num_volumes
);
2168 /* num_labels 4 bytes */
2169 SIVAL(pdata
,4,shadow_data
->num_volumes
);
2172 /* needed_data_count 4 bytes */
2173 SIVAL(pdata
, 8, labels_data_count
+4);
2177 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2178 shadow_data
->num_volumes
, fsp_str_dbg(fsp
)));
2179 if (labels
&& shadow_data
->labels
) {
2180 for (i
=0;i
<shadow_data
->num_volumes
;i
++) {
2181 srvstr_push(pdata
, req
->flags2
,
2182 cur_pdata
, shadow_data
->labels
[i
],
2183 2*sizeof(SHADOW_COPY_LABEL
),
2184 STR_UNICODE
|STR_TERMINATE
);
2185 cur_pdata
+=2*sizeof(SHADOW_COPY_LABEL
);
2186 DEBUGADD(10,("Label[%u]: '%s'\n",i
,shadow_data
->labels
[i
]));
2190 talloc_destroy(shadow_data
->mem_ctx
);
2192 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0,
2198 case FSCTL_FIND_FILES_BY_SID
: /* I hope this name is right */
2200 /* pretend this succeeded -
2202 * we have to send back a list with all files owned by this SID
2204 * but I have to check that --metze
2208 size_t sid_len
= MIN(data_count
-4,SID_MAX_SIZE
);
2210 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum
));
2212 if (!fsp_belongs_conn(conn
, req
, fsp
)) {
2216 /* unknown 4 bytes: this is not the length of the sid :-( */
2217 /*unknown = IVAL(pdata,0);*/
2219 if (!sid_parse(pdata
+4,sid_len
,&sid
)) {
2220 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2224 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid
)));
2226 if (!sid_to_uid(&sid
, &uid
)) {
2227 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2228 sid_string_dbg(&sid
),
2229 (unsigned long)sid_len
));
2233 /* we can take a look at the find source :-)
2235 * find ./ -uid $uid -name '*' is what we need here
2238 * and send 4bytes len and then NULL terminated unicode strings
2241 * but I don't know how to deal with the paged results
2242 * (maybe we can hang the result anywhere in the fsp struct)
2244 * we don't send all files at once
2245 * and at the next we should *not* start from the beginning,
2246 * so we have to cache the result
2251 /* this works for now... */
2252 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2256 if (!logged_ioctl_message
) {
2257 logged_ioctl_message
= true; /* Only print this once... */
2258 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2263 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2267 #ifdef HAVE_SYS_QUOTAS
2268 /****************************************************************************
2269 Reply to get user quota
2270 ****************************************************************************/
2272 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2273 struct smb_request
*req
,
2277 uint32 parameter_count
,
2280 uint32 max_data_count
)
2282 NTSTATUS nt_status
= NT_STATUS_OK
;
2283 char *params
= *ppparams
;
2284 char *pdata
= *ppdata
;
2286 int data_len
=0,param_len
=0;
2289 files_struct
*fsp
= NULL
;
2293 bool start_enum
= True
;
2294 SMB_NTQUOTA_STRUCT qt
;
2295 SMB_NTQUOTA_LIST
*tmp_list
;
2296 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2301 if (conn
->server_info
->utok
.uid
!= 0) {
2302 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2303 "[%s]\n", lp_servicename(SNUM(conn
)),
2304 conn
->server_info
->unix_name
));
2305 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2310 * Ensure minimum number of parameters sent.
2313 if (parameter_count
< 4) {
2314 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2315 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2319 /* maybe we can check the quota_fnum */
2320 fsp
= file_fsp(req
, SVAL(params
,0));
2321 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2322 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2323 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2327 /* the NULL pointer checking for fsp->fake_file_handle->pd
2328 * is done by CHECK_NTQUOTA_HANDLE_OK()
2330 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2332 level
= SVAL(params
,2);
2334 /* unknown 12 bytes leading in params */
2337 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2338 /* seems that we should continue with the enum here --metze */
2340 if (qt_handle
->quota_list
!=NULL
&&
2341 qt_handle
->tmp_list
==NULL
) {
2344 free_ntquota_list(&(qt_handle
->quota_list
));
2346 /* Realloc the size of parameters and data we will return */
2348 params
= nttrans_realloc(ppparams
, param_len
);
2349 if(params
== NULL
) {
2350 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2355 SIVAL(params
,0,data_len
);
2362 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2364 if (qt_handle
->quota_list
==NULL
&&
2365 qt_handle
->tmp_list
==NULL
) {
2369 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2370 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2374 /* Realloc the size of parameters and data we will return */
2376 params
= nttrans_realloc(ppparams
, param_len
);
2377 if(params
== NULL
) {
2378 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2382 /* we should not trust the value in max_data_count*/
2383 max_data_count
= MIN(max_data_count
,2048);
2385 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2387 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2393 /* set params Size of returned Quota Data 4 bytes*/
2394 /* but set it later when we know it */
2396 /* for each entry push the data */
2399 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2402 tmp_list
= qt_handle
->tmp_list
;
2404 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2405 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2407 sid_len
= ndr_size_dom_sid(
2408 &tmp_list
->quotas
->sid
, NULL
, 0);
2409 entry_len
= 40 + sid_len
;
2411 /* nextoffset entry 4 bytes */
2412 SIVAL(entry
,0,entry_len
);
2414 /* then the len of the SID 4 bytes */
2415 SIVAL(entry
,4,sid_len
);
2417 /* unknown data 8 bytes uint64_t */
2418 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2420 /* the used disk space 8 bytes uint64_t */
2421 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2423 /* the soft quotas 8 bytes uint64_t */
2424 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2426 /* the hard quotas 8 bytes uint64_t */
2427 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2429 /* and now the SID */
2430 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2433 qt_handle
->tmp_list
= tmp_list
;
2435 /* overwrite the offset of the last entry */
2436 SIVAL(entry
-entry_len
,0,0);
2438 data_len
= 4+qt_len
;
2439 /* overwrite the params quota_data_len */
2440 SIVAL(params
,0,data_len
);
2444 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2446 /* unknown 4 bytes IVAL(pdata,0) */
2448 if (data_count
< 8) {
2449 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2450 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2454 sid_len
= IVAL(pdata
,4);
2455 /* Ensure this is less than 1mb. */
2456 if (sid_len
> (1024*1024)) {
2457 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2461 if (data_count
< 8+sid_len
) {
2462 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2463 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2467 data_len
= 4+40+sid_len
;
2469 if (max_data_count
< data_len
) {
2470 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2471 max_data_count
, data_len
));
2473 SIVAL(params
,0,data_len
);
2475 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2479 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2480 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2484 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2487 * we have to return zero's in all fields
2488 * instead of returning an error here
2493 /* Realloc the size of parameters and data we will return */
2495 params
= nttrans_realloc(ppparams
, param_len
);
2496 if(params
== NULL
) {
2497 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2501 pdata
= nttrans_realloc(ppdata
, data_len
);
2503 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2509 /* set params Size of returned Quota Data 4 bytes*/
2510 SIVAL(params
,0,data_len
);
2512 /* nextoffset entry 4 bytes */
2515 /* then the len of the SID 4 bytes */
2516 SIVAL(entry
,4,sid_len
);
2518 /* unknown data 8 bytes uint64_t */
2519 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2521 /* the used disk space 8 bytes uint64_t */
2522 SBIG_UINT(entry
,16,qt
.usedspace
);
2524 /* the soft quotas 8 bytes uint64_t */
2525 SBIG_UINT(entry
,24,qt
.softlim
);
2527 /* the hard quotas 8 bytes uint64_t */
2528 SBIG_UINT(entry
,32,qt
.hardlim
);
2530 /* and now the SID */
2531 sid_linearize(entry
+40, sid_len
, &sid
);
2536 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp
->fnum
,level
));
2537 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2542 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2546 /****************************************************************************
2547 Reply to set user quota
2548 ****************************************************************************/
2550 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2551 struct smb_request
*req
,
2555 uint32 parameter_count
,
2558 uint32 max_data_count
)
2560 char *params
= *ppparams
;
2561 char *pdata
= *ppdata
;
2562 int data_len
=0,param_len
=0;
2563 SMB_NTQUOTA_STRUCT qt
;
2566 files_struct
*fsp
= NULL
;
2571 if (conn
->server_info
->utok
.uid
!= 0) {
2572 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2573 "[%s]\n", lp_servicename(SNUM(conn
)),
2574 conn
->server_info
->unix_name
));
2575 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2580 * Ensure minimum number of parameters sent.
2583 if (parameter_count
< 2) {
2584 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2585 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2589 /* maybe we can check the quota_fnum */
2590 fsp
= file_fsp(req
, SVAL(params
,0));
2591 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2592 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2593 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2597 if (data_count
< 40) {
2598 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2599 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2603 /* offset to next quota record.
2604 * 4 bytes IVAL(pdata,0)
2609 sid_len
= IVAL(pdata
,4);
2611 if (data_count
< 40+sid_len
) {
2612 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2613 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2617 /* unknown 8 bytes in pdata
2618 * maybe its the change time in NTTIME
2621 /* the used space 8 bytes (uint64_t)*/
2622 qt
.usedspace
= (uint64_t)IVAL(pdata
,16);
2623 #ifdef LARGE_SMB_OFF_T
2624 qt
.usedspace
|= (((uint64_t)IVAL(pdata
,20)) << 32);
2625 #else /* LARGE_SMB_OFF_T */
2626 if ((IVAL(pdata
,20) != 0)&&
2627 ((qt
.usedspace
!= 0xFFFFFFFF)||
2628 (IVAL(pdata
,20)!=0xFFFFFFFF))) {
2629 /* more than 32 bits? */
2630 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2633 #endif /* LARGE_SMB_OFF_T */
2635 /* the soft quotas 8 bytes (uint64_t)*/
2636 qt
.softlim
= (uint64_t)IVAL(pdata
,24);
2637 #ifdef LARGE_SMB_OFF_T
2638 qt
.softlim
|= (((uint64_t)IVAL(pdata
,28)) << 32);
2639 #else /* LARGE_SMB_OFF_T */
2640 if ((IVAL(pdata
,28) != 0)&&
2641 ((qt
.softlim
!= 0xFFFFFFFF)||
2642 (IVAL(pdata
,28)!=0xFFFFFFFF))) {
2643 /* more than 32 bits? */
2644 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2647 #endif /* LARGE_SMB_OFF_T */
2649 /* the hard quotas 8 bytes (uint64_t)*/
2650 qt
.hardlim
= (uint64_t)IVAL(pdata
,32);
2651 #ifdef LARGE_SMB_OFF_T
2652 qt
.hardlim
|= (((uint64_t)IVAL(pdata
,36)) << 32);
2653 #else /* LARGE_SMB_OFF_T */
2654 if ((IVAL(pdata
,36) != 0)&&
2655 ((qt
.hardlim
!= 0xFFFFFFFF)||
2656 (IVAL(pdata
,36)!=0xFFFFFFFF))) {
2657 /* more than 32 bits? */
2658 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2661 #endif /* LARGE_SMB_OFF_T */
2663 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2664 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2668 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2670 /* 44 unknown bytes left... */
2672 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2673 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2677 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2680 #endif /* HAVE_SYS_QUOTAS */
2682 static void handle_nttrans(connection_struct
*conn
,
2683 struct trans_state
*state
,
2684 struct smb_request
*req
)
2686 if (get_Protocol() >= PROTOCOL_NT1
) {
2687 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2688 SSVAL(req
->inbuf
,smb_flg2
,req
->flags2
);
2692 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2694 /* Now we must call the relevant NT_TRANS function */
2695 switch(state
->call
) {
2696 case NT_TRANSACT_CREATE
:
2698 START_PROFILE(NT_transact_create
);
2699 call_nt_transact_create(
2701 &state
->setup
, state
->setup_count
,
2702 &state
->param
, state
->total_param
,
2703 &state
->data
, state
->total_data
,
2704 state
->max_data_return
);
2705 END_PROFILE(NT_transact_create
);
2709 case NT_TRANSACT_IOCTL
:
2711 START_PROFILE(NT_transact_ioctl
);
2712 call_nt_transact_ioctl(
2714 &state
->setup
, state
->setup_count
,
2715 &state
->param
, state
->total_param
,
2716 &state
->data
, state
->total_data
,
2717 state
->max_data_return
);
2718 END_PROFILE(NT_transact_ioctl
);
2722 case NT_TRANSACT_SET_SECURITY_DESC
:
2724 START_PROFILE(NT_transact_set_security_desc
);
2725 call_nt_transact_set_security_desc(
2727 &state
->setup
, state
->setup_count
,
2728 &state
->param
, state
->total_param
,
2729 &state
->data
, state
->total_data
,
2730 state
->max_data_return
);
2731 END_PROFILE(NT_transact_set_security_desc
);
2735 case NT_TRANSACT_NOTIFY_CHANGE
:
2737 START_PROFILE(NT_transact_notify_change
);
2738 call_nt_transact_notify_change(
2740 &state
->setup
, state
->setup_count
,
2741 &state
->param
, state
->total_param
,
2742 &state
->data
, state
->total_data
,
2743 state
->max_data_return
,
2744 state
->max_param_return
);
2745 END_PROFILE(NT_transact_notify_change
);
2749 case NT_TRANSACT_RENAME
:
2751 START_PROFILE(NT_transact_rename
);
2752 call_nt_transact_rename(
2754 &state
->setup
, state
->setup_count
,
2755 &state
->param
, state
->total_param
,
2756 &state
->data
, state
->total_data
,
2757 state
->max_data_return
);
2758 END_PROFILE(NT_transact_rename
);
2762 case NT_TRANSACT_QUERY_SECURITY_DESC
:
2764 START_PROFILE(NT_transact_query_security_desc
);
2765 call_nt_transact_query_security_desc(
2767 &state
->setup
, state
->setup_count
,
2768 &state
->param
, state
->total_param
,
2769 &state
->data
, state
->total_data
,
2770 state
->max_data_return
);
2771 END_PROFILE(NT_transact_query_security_desc
);
2775 #ifdef HAVE_SYS_QUOTAS
2776 case NT_TRANSACT_GET_USER_QUOTA
:
2778 START_PROFILE(NT_transact_get_user_quota
);
2779 call_nt_transact_get_user_quota(
2781 &state
->setup
, state
->setup_count
,
2782 &state
->param
, state
->total_param
,
2783 &state
->data
, state
->total_data
,
2784 state
->max_data_return
);
2785 END_PROFILE(NT_transact_get_user_quota
);
2789 case NT_TRANSACT_SET_USER_QUOTA
:
2791 START_PROFILE(NT_transact_set_user_quota
);
2792 call_nt_transact_set_user_quota(
2794 &state
->setup
, state
->setup_count
,
2795 &state
->param
, state
->total_param
,
2796 &state
->data
, state
->total_data
,
2797 state
->max_data_return
);
2798 END_PROFILE(NT_transact_set_user_quota
);
2801 #endif /* HAVE_SYS_QUOTAS */
2804 /* Error in request */
2805 DEBUG(0,("handle_nttrans: Unknown request %d in "
2806 "nttrans call\n", state
->call
));
2807 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2813 /****************************************************************************
2814 Reply to a SMBNTtrans.
2815 ****************************************************************************/
2817 void reply_nttrans(struct smb_request
*req
)
2819 connection_struct
*conn
= req
->conn
;
2824 uint16 function_code
;
2826 struct trans_state
*state
;
2828 START_PROFILE(SMBnttrans
);
2830 if (req
->wct
< 19) {
2831 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2832 END_PROFILE(SMBnttrans
);
2836 pscnt
= IVAL(req
->vwv
+9, 1);
2837 psoff
= IVAL(req
->vwv
+11, 1);
2838 dscnt
= IVAL(req
->vwv
+13, 1);
2839 dsoff
= IVAL(req
->vwv
+15, 1);
2840 function_code
= SVAL(req
->vwv
+18, 0);
2842 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
2843 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2844 END_PROFILE(SMBnttrans
);
2848 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
2849 if (!NT_STATUS_IS_OK(result
)) {
2850 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
2851 reply_nterror(req
, result
);
2852 END_PROFILE(SMBnttrans
);
2856 if ((state
= TALLOC_P(conn
, struct trans_state
)) == NULL
) {
2857 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2858 END_PROFILE(SMBnttrans
);
2862 state
->cmd
= SMBnttrans
;
2864 state
->mid
= req
->mid
;
2865 state
->vuid
= req
->vuid
;
2866 state
->total_data
= IVAL(req
->vwv
+3, 1);
2868 state
->total_param
= IVAL(req
->vwv
+1, 1);
2869 state
->param
= NULL
;
2870 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
2871 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
2873 /* setup count is in *words* */
2874 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
2875 state
->setup
= NULL
;
2876 state
->call
= function_code
;
2878 DEBUG(10, ("num_setup=%u, "
2879 "param_total=%u, this_param=%u, max_param=%u, "
2880 "data_total=%u, this_data=%u, max_data=%u, "
2881 "param_offset=%u, data_offset=%u\n",
2882 (unsigned)state
->setup_count
,
2883 (unsigned)state
->total_param
, (unsigned)pscnt
,
2884 (unsigned)state
->max_param_return
,
2885 (unsigned)state
->total_data
, (unsigned)dscnt
,
2886 (unsigned)state
->max_data_return
,
2887 (unsigned)psoff
, (unsigned)dsoff
));
2890 * All nttrans messages we handle have smb_wct == 19 +
2891 * state->setup_count. Ensure this is so as a sanity check.
2894 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
2895 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2896 req
->wct
, 19 + (state
->setup_count
/2)));
2900 /* Don't allow more than 128mb for each value. */
2901 if ((state
->total_data
> (1024*1024*128)) ||
2902 (state
->total_param
> (1024*1024*128))) {
2903 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2904 END_PROFILE(SMBnttrans
);
2908 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
2911 if (state
->total_data
) {
2913 if (trans_oob(state
->total_data
, 0, dscnt
)
2914 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
2918 /* Can't use talloc here, the core routines do realloc on the
2919 * params and data. */
2920 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
2921 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2922 "bytes !\n", (unsigned int)state
->total_data
));
2924 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2925 END_PROFILE(SMBnttrans
);
2929 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
2932 if (state
->total_param
) {
2934 if (trans_oob(state
->total_param
, 0, pscnt
)
2935 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
2939 /* Can't use talloc here, the core routines do realloc on the
2940 * params and data. */
2941 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
2942 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2943 "bytes !\n", (unsigned int)state
->total_param
));
2944 SAFE_FREE(state
->data
);
2946 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2947 END_PROFILE(SMBnttrans
);
2951 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
2954 state
->received_data
= dscnt
;
2955 state
->received_param
= pscnt
;
2957 if(state
->setup_count
> 0) {
2958 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2959 state
->setup_count
));
2962 * No overflow possible here, state->setup_count is an
2963 * unsigned int, being filled by a single byte from
2964 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2965 * below is not necessary, it's here to clarify things. The
2966 * validity of req->vwv and req->wct has been checked in
2967 * init_smb_request already.
2969 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
2973 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
2974 if (state
->setup
== NULL
) {
2975 DEBUG(0,("reply_nttrans : Out of memory\n"));
2976 SAFE_FREE(state
->data
);
2977 SAFE_FREE(state
->param
);
2979 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2980 END_PROFILE(SMBnttrans
);
2984 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
2985 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
2988 if ((state
->received_data
== state
->total_data
) &&
2989 (state
->received_param
== state
->total_param
)) {
2990 handle_nttrans(conn
, state
, req
);
2991 SAFE_FREE(state
->param
);
2992 SAFE_FREE(state
->data
);
2994 END_PROFILE(SMBnttrans
);
2998 DLIST_ADD(conn
->pending_trans
, state
);
3000 /* We need to send an interim response then receive the rest
3001 of the parameter/data bytes */
3002 reply_outbuf(req
, 0, 0);
3003 show_msg((char *)req
->outbuf
);
3004 END_PROFILE(SMBnttrans
);
3009 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3010 SAFE_FREE(state
->data
);
3011 SAFE_FREE(state
->param
);
3013 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3014 END_PROFILE(SMBnttrans
);
3018 /****************************************************************************
3019 Reply to a SMBnttranss
3020 ****************************************************************************/
3022 void reply_nttranss(struct smb_request
*req
)
3024 connection_struct
*conn
= req
->conn
;
3025 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
3026 struct trans_state
*state
;
3028 START_PROFILE(SMBnttranss
);
3030 show_msg((char *)req
->inbuf
);
3032 if (req
->wct
< 18) {
3033 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3034 END_PROFILE(SMBnttranss
);
3038 for (state
= conn
->pending_trans
; state
!= NULL
;
3039 state
= state
->next
) {
3040 if (state
->mid
== req
->mid
) {
3045 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
3046 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3047 END_PROFILE(SMBnttranss
);
3051 /* Revise state->total_param and state->total_data in case they have
3052 changed downwards */
3053 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
3054 state
->total_param
= IVAL(req
->vwv
+1, 1);
3056 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
3057 state
->total_data
= IVAL(req
->vwv
+3, 1);
3060 pcnt
= IVAL(req
->vwv
+5, 1);
3061 poff
= IVAL(req
->vwv
+7, 1);
3062 pdisp
= IVAL(req
->vwv
+9, 1);
3064 dcnt
= IVAL(req
->vwv
+11, 1);
3065 doff
= IVAL(req
->vwv
+13, 1);
3066 ddisp
= IVAL(req
->vwv
+15, 1);
3068 state
->received_param
+= pcnt
;
3069 state
->received_data
+= dcnt
;
3071 if ((state
->received_data
> state
->total_data
) ||
3072 (state
->received_param
> state
->total_param
))
3076 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
3077 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
3080 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
3084 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
3085 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
3088 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
3091 if ((state
->received_param
< state
->total_param
) ||
3092 (state
->received_data
< state
->total_data
)) {
3093 END_PROFILE(SMBnttranss
);
3097 handle_nttrans(conn
, state
, req
);
3099 DLIST_REMOVE(conn
->pending_trans
, state
);
3100 SAFE_FREE(state
->data
);
3101 SAFE_FREE(state
->param
);
3103 END_PROFILE(SMBnttranss
);
3108 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3109 DLIST_REMOVE(conn
->pending_trans
, state
);
3110 SAFE_FREE(state
->data
);
3111 SAFE_FREE(state
->param
);
3113 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3114 END_PROFILE(SMBnttranss
);