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"
31 #include "smbprofile.h"
32 #include "libsmb/libsmb.h"
34 extern const struct generic_mapping file_generic_mapping
;
36 static char *nttrans_realloc(char **ptr
, size_t size
)
39 smb_panic("nttrans_realloc() called with NULL ptr");
42 *ptr
= (char *)SMB_REALLOC(*ptr
, size
);
46 memset(*ptr
,'\0',size
);
50 /****************************************************************************
51 Send the required number of replies back.
52 We assume all fields other than the data fields are
53 set correctly for the type of call.
54 HACK ! Always assumes smb_setup field is zero.
55 ****************************************************************************/
57 static void send_nt_replies(connection_struct
*conn
,
58 struct smb_request
*req
, NTSTATUS nt_error
,
59 char *params
, int paramsize
,
60 char *pdata
, int datasize
)
62 int data_to_send
= datasize
;
63 int params_to_send
= paramsize
;
67 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
68 int alignment_offset
= 1;
69 int data_alignment_offset
= 0;
70 struct smbd_server_connection
*sconn
= req
->sconn
;
71 int max_send
= sconn
->smb1
.sessions
.max_send
;
74 * If there genuinely are no parameters or data to send just send
78 if(params_to_send
== 0 && data_to_send
== 0) {
79 reply_outbuf(req
, 18, 0);
80 if (NT_STATUS_V(nt_error
)) {
81 error_packet_set((char *)req
->outbuf
,
85 show_msg((char *)req
->outbuf
);
86 if (!srv_send_smb(sconn
,
89 IS_CONN_ENCRYPTED(conn
),
91 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
93 TALLOC_FREE(req
->outbuf
);
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
103 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
104 data_alignment_offset
= 4 - (params_to_send
% 4);
108 * Space is bufsize minus Netbios over TCP header minus SMB header.
109 * The alignment_offset is to align the param bytes on a four byte
110 * boundary (2 bytes for data len, one byte pad).
111 * NT needs this to work correctly.
114 useable_space
= max_send
- (smb_size
117 + data_alignment_offset
);
119 if (useable_space
< 0) {
120 char *msg
= talloc_asprintf(
122 "send_nt_replies failed sanity useable_space = %d!!!",
124 DEBUG(0, ("%s\n", msg
));
125 exit_server_cleanly(msg
);
128 while (params_to_send
|| data_to_send
) {
131 * Calculate whether we will totally or partially fill this packet.
134 total_sent_thistime
= params_to_send
+ data_to_send
;
137 * We can never send more than useable_space.
140 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
142 reply_outbuf(req
, 18,
143 total_sent_thistime
+ alignment_offset
144 + data_alignment_offset
);
147 * We might have had SMBnttranss in req->inbuf, fix that.
149 SCVAL(req
->outbuf
, smb_com
, SMBnttrans
);
152 * Set total params and data to be sent.
155 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
156 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
159 * Calculate how many parameters and data we can fit into
160 * this packet. Parameters get precedence.
163 params_sent_thistime
= MIN(params_to_send
,useable_space
);
164 data_sent_thistime
= useable_space
- params_sent_thistime
;
165 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
167 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
168 params_sent_thistime
);
170 if(params_sent_thistime
== 0) {
171 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
172 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
175 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
176 * parameter bytes, however the first 4 bytes of outbuf are
177 * the Netbios over TCP header. Thus use smb_base() to subtract
178 * them from the calculation.
181 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
182 ((smb_buf(req
->outbuf
)+alignment_offset
)
183 - smb_base(req
->outbuf
)));
185 * Absolute displacement of param bytes sent in this packet.
188 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
193 * Deal with the data portion.
196 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
198 if(data_sent_thistime
== 0) {
199 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
200 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
203 * The offset of the data bytes is the offset of the
204 * parameter bytes plus the number of parameters being sent this time.
207 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
208 ((smb_buf(req
->outbuf
)+alignment_offset
) -
209 smb_base(req
->outbuf
))
210 + params_sent_thistime
+ data_alignment_offset
);
211 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
215 * Copy the param bytes into the packet.
218 if(params_sent_thistime
) {
219 if (alignment_offset
!= 0) {
220 memset(smb_buf(req
->outbuf
), 0,
223 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
224 params_sent_thistime
);
228 * Copy in the data bytes
231 if(data_sent_thistime
) {
232 if (data_alignment_offset
!= 0) {
233 memset((smb_buf(req
->outbuf
)+alignment_offset
+
234 params_sent_thistime
), 0,
235 data_alignment_offset
);
237 memcpy(smb_buf(req
->outbuf
)+alignment_offset
238 +params_sent_thistime
+data_alignment_offset
,
239 pd
,data_sent_thistime
);
242 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
243 params_sent_thistime
, data_sent_thistime
, useable_space
));
244 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
245 params_to_send
, data_to_send
, paramsize
, datasize
));
247 if (NT_STATUS_V(nt_error
)) {
248 error_packet_set((char *)req
->outbuf
,
253 /* Send the packet */
254 show_msg((char *)req
->outbuf
);
255 if (!srv_send_smb(sconn
,
258 IS_CONN_ENCRYPTED(conn
),
260 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
263 TALLOC_FREE(req
->outbuf
);
265 pp
+= params_sent_thistime
;
266 pd
+= data_sent_thistime
;
268 params_to_send
-= params_sent_thistime
;
269 data_to_send
-= data_sent_thistime
;
275 if(params_to_send
< 0 || data_to_send
< 0) {
276 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
277 params_to_send
, data_to_send
));
278 exit_server_cleanly("send_nt_replies: internal error");
283 /****************************************************************************
284 Reply to an NT create and X call on a pipe
285 ****************************************************************************/
287 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
288 struct smb_request
*req
, int *ppnum
)
293 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
295 /* Strip \\ off the name. */
298 status
= open_np_file(req
, fname
, &fsp
);
299 if (!NT_STATUS_IS_OK(status
)) {
300 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
301 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
305 reply_nterror(req
, status
);
313 /****************************************************************************
314 Reply to an NT create and X call for pipes.
315 ****************************************************************************/
317 static void do_ntcreate_pipe_open(connection_struct
*conn
,
318 struct smb_request
*req
)
323 uint32 flags
= IVAL(req
->vwv
+3, 1);
324 TALLOC_CTX
*ctx
= talloc_tos();
326 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
329 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
333 nt_open_pipe(fname
, conn
, req
, &pnum
);
341 * Deal with pipe return.
344 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
345 /* This is very strange. We
346 * return 50 words, but only set
347 * the wcnt to 42 ? It's definately
348 * what happens on the wire....
350 reply_outbuf(req
, 50, 0);
351 SCVAL(req
->outbuf
,smb_wct
,42);
353 reply_outbuf(req
, 34, 0);
356 p
= (char *)req
->outbuf
+ smb_vwv2
;
360 SIVAL(p
,0,FILE_WAS_OPENED
);
363 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
366 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
368 SSVAL(p
,2, 0x5FF); /* ? */
371 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
373 SIVAL(p
,0,FILE_GENERIC_ALL
);
375 * For pipes W2K3 seems to return
377 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
379 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
382 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
387 struct case_semantics_state
{
388 connection_struct
*conn
;
391 bool short_case_preserve
;
394 /****************************************************************************
395 Restore case semantics.
396 ****************************************************************************/
398 static int restore_case_semantics(struct case_semantics_state
*state
)
400 state
->conn
->case_sensitive
= state
->case_sensitive
;
401 state
->conn
->case_preserve
= state
->case_preserve
;
402 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
406 /****************************************************************************
408 ****************************************************************************/
410 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
411 connection_struct
*conn
)
413 struct case_semantics_state
*result
;
415 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
420 result
->case_sensitive
= conn
->case_sensitive
;
421 result
->case_preserve
= conn
->case_preserve
;
422 result
->short_case_preserve
= conn
->short_case_preserve
;
425 conn
->case_sensitive
= True
;
426 conn
->case_preserve
= True
;
427 conn
->short_case_preserve
= True
;
429 talloc_set_destructor(result
, restore_case_semantics
);
434 /****************************************************************************
435 Reply to an NT create and X call.
436 ****************************************************************************/
438 void reply_ntcreate_and_X(struct smb_request
*req
)
440 connection_struct
*conn
= req
->conn
;
441 struct smb_filename
*smb_fname
= NULL
;
445 uint32 file_attributes
;
447 uint32 create_disposition
;
448 uint32 create_options
;
450 uint64_t allocation_size
;
451 /* Breakout the oplock request bits so we can set the
452 reply bits separately. */
454 SMB_OFF_T file_len
= 0;
456 files_struct
*fsp
= NULL
;
458 struct timespec create_timespec
;
459 struct timespec c_timespec
;
460 struct timespec a_timespec
;
461 struct timespec m_timespec
;
462 struct timespec write_time_ts
;
465 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
466 struct case_semantics_state
*case_state
= NULL
;
467 TALLOC_CTX
*ctx
= talloc_tos();
469 START_PROFILE(SMBntcreateX
);
472 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
476 flags
= IVAL(req
->vwv
+3, 1);
477 access_mask
= IVAL(req
->vwv
+7, 1);
478 file_attributes
= IVAL(req
->vwv
+13, 1);
479 share_access
= IVAL(req
->vwv
+15, 1);
480 create_disposition
= IVAL(req
->vwv
+17, 1);
481 create_options
= IVAL(req
->vwv
+19, 1);
482 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
484 allocation_size
= BVAL(req
->vwv
+9, 1);
486 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
487 STR_TERMINATE
, &status
);
489 if (!NT_STATUS_IS_OK(status
)) {
490 reply_nterror(req
, status
);
494 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
495 "file_attributes = 0x%x, share_access = 0x%x, "
496 "create_disposition = 0x%x create_options = 0x%x "
497 "root_dir_fid = 0x%x, fname = %s\n",
499 (unsigned int)access_mask
,
500 (unsigned int)file_attributes
,
501 (unsigned int)share_access
,
502 (unsigned int)create_disposition
,
503 (unsigned int)create_options
,
504 (unsigned int)root_dir_fid
,
508 * we need to remove ignored bits when they come directly from the client
509 * because we reuse some of them for internal stuff
511 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
514 * If it's an IPC, use the pipe handler.
518 if (lp_nt_pipe_support()) {
519 do_ntcreate_pipe_open(conn
, req
);
522 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
526 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
527 if (oplock_request
) {
528 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
532 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
533 case_state
= set_posix_case_semantics(ctx
, conn
);
535 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
540 status
= filename_convert(ctx
,
542 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
548 TALLOC_FREE(case_state
);
550 if (!NT_STATUS_IS_OK(status
)) {
551 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
553 NT_STATUS_PATH_NOT_COVERED
,
557 reply_nterror(req
, status
);
562 * Bug #6898 - clients using Windows opens should
563 * never be able to set this attribute into the
566 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
568 status
= SMB_VFS_CREATE_FILE(
571 root_dir_fid
, /* root_dir_fid */
572 smb_fname
, /* fname */
573 access_mask
, /* access_mask */
574 share_access
, /* share_access */
575 create_disposition
, /* create_disposition*/
576 create_options
, /* create_options */
577 file_attributes
, /* file_attributes */
578 oplock_request
, /* oplock_request */
579 allocation_size
, /* allocation_size */
580 0, /* private_flags */
586 if (!NT_STATUS_IS_OK(status
)) {
587 if (open_was_deferred(req
->sconn
, req
->mid
)) {
588 /* We have re-scheduled this call, no error. */
591 reply_openerror(req
, status
);
595 /* Ensure we're pointing at the correct stat struct. */
596 TALLOC_FREE(smb_fname
);
597 smb_fname
= fsp
->fsp_name
;
600 * If the caller set the extended oplock request bit
601 * and we granted one (by whatever means) - set the
602 * correct bit for extended oplock reply.
605 if (oplock_request
&&
606 (lp_fake_oplocks(SNUM(conn
))
607 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
610 * Exclusive oplock granted
613 if (flags
& REQUEST_BATCH_OPLOCK
) {
614 oplock_granted
= BATCH_OPLOCK_RETURN
;
616 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
618 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
619 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
621 oplock_granted
= NO_OPLOCK_RETURN
;
624 file_len
= smb_fname
->st
.st_ex_size
;
626 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
627 /* This is very strange. We
628 * return 50 words, but only set
629 * the wcnt to 42 ? It's definately
630 * what happens on the wire....
632 reply_outbuf(req
, 50, 0);
633 SCVAL(req
->outbuf
,smb_wct
,42);
635 reply_outbuf(req
, 34, 0);
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
;
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
= SMB_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: fnum = %d, open name = %s\n",
730 fsp
->fnum
, smb_fname_str_dbg(smb_fname
)));
734 END_PROFILE(SMBntcreateX
);
738 /****************************************************************************
739 Reply to a NT_TRANSACT_CREATE call to open a pipe.
740 ****************************************************************************/
742 static void do_nt_transact_create_pipe(connection_struct
*conn
,
743 struct smb_request
*req
,
744 uint16
**ppsetup
, uint32 setup_count
,
745 char **ppparams
, uint32 parameter_count
,
746 char **ppdata
, uint32 data_count
)
749 char *params
= *ppparams
;
755 TALLOC_CTX
*ctx
= talloc_tos();
758 * Ensure minimum number of parameters sent.
761 if(parameter_count
< 54) {
762 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
763 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
767 flags
= IVAL(params
,0);
769 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
, params
+53,
770 parameter_count
-53, STR_TERMINATE
,
772 if (!NT_STATUS_IS_OK(status
)) {
773 reply_nterror(req
, status
);
777 nt_open_pipe(fname
, conn
, req
, &pnum
);
784 /* Realloc the size of parameters and data we will return */
785 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
786 /* Extended response is 32 more byyes. */
791 params
= nttrans_realloc(ppparams
, param_len
);
793 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
798 SCVAL(p
,0,NO_OPLOCK_RETURN
);
803 SIVAL(p
,0,FILE_WAS_OPENED
);
807 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
810 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
812 SSVAL(p
,2, 0x5FF); /* ? */
815 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
817 SIVAL(p
,0,FILE_GENERIC_ALL
);
819 * For pipes W2K3 seems to return
821 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
823 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
826 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
828 /* Send the required number of replies */
829 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
834 /****************************************************************************
835 Internal fn to set security descriptors.
836 ****************************************************************************/
838 NTSTATUS
set_sd(files_struct
*fsp
, uint8_t *data
, uint32_t sd_len
,
839 uint32_t security_info_sent
)
841 struct security_descriptor
*psd
= NULL
;
845 return NT_STATUS_INVALID_PARAMETER
;
848 if (!CAN_WRITE(fsp
->conn
)) {
849 return NT_STATUS_ACCESS_DENIED
;
852 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
856 status
= unmarshall_sec_desc(talloc_tos(), data
, sd_len
, &psd
);
858 if (!NT_STATUS_IS_OK(status
)) {
862 if (psd
->owner_sid
== NULL
) {
863 security_info_sent
&= ~SECINFO_OWNER
;
865 if (psd
->group_sid
== NULL
) {
866 security_info_sent
&= ~SECINFO_GROUP
;
869 /* Ensure we have at least one thing set. */
870 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
871 if (security_info_sent
& SECINFO_LABEL
) {
872 /* Only consider SECINFO_LABEL if no other
873 bits are set. Just like W2K3 we don't
877 return NT_STATUS_INVALID_PARAMETER
;
880 /* Ensure we have the rights to do this. */
881 if (security_info_sent
& SECINFO_OWNER
) {
882 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
883 return NT_STATUS_ACCESS_DENIED
;
887 if (security_info_sent
& SECINFO_GROUP
) {
888 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
889 return NT_STATUS_ACCESS_DENIED
;
893 if (security_info_sent
& SECINFO_DACL
) {
894 if (!(fsp
->access_mask
& SEC_STD_WRITE_DAC
)) {
895 return NT_STATUS_ACCESS_DENIED
;
897 /* Convert all the generic bits. */
899 security_acl_map_generic(psd
->dacl
, &file_generic_mapping
);
903 if (security_info_sent
& SECINFO_SACL
) {
904 if (!(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
905 return NT_STATUS_ACCESS_DENIED
;
907 /* Convert all the generic bits. */
909 security_acl_map_generic(psd
->sacl
, &file_generic_mapping
);
913 if (DEBUGLEVEL
>= 10) {
914 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp
)));
915 NDR_PRINT_DEBUG(security_descriptor
, psd
);
918 status
= SMB_VFS_FSET_NT_ACL(fsp
, security_info_sent
, psd
);
925 /****************************************************************************
926 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
927 ****************************************************************************/
929 struct ea_list
*read_nttrans_ea_list(TALLOC_CTX
*ctx
, const char *pdata
, size_t data_size
)
931 struct ea_list
*ea_list_head
= NULL
;
938 while (offset
+ 4 <= data_size
) {
939 size_t next_offset
= IVAL(pdata
,offset
);
940 struct ea_list
*eal
= read_ea_list_entry(ctx
, pdata
+ offset
+ 4, data_size
- offset
- 4, NULL
);
946 DLIST_ADD_END(ea_list_head
, eal
, struct ea_list
*);
947 if (next_offset
== 0) {
950 offset
+= next_offset
;
956 /****************************************************************************
957 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
958 ****************************************************************************/
960 static void call_nt_transact_create(connection_struct
*conn
,
961 struct smb_request
*req
,
962 uint16
**ppsetup
, uint32 setup_count
,
963 char **ppparams
, uint32 parameter_count
,
964 char **ppdata
, uint32 data_count
,
965 uint32 max_data_count
)
967 struct smb_filename
*smb_fname
= NULL
;
969 char *params
= *ppparams
;
970 char *data
= *ppdata
;
971 /* Breakout the oplock request bits so we can set the reply bits separately. */
973 SMB_OFF_T file_len
= 0;
975 files_struct
*fsp
= NULL
;
979 uint32 file_attributes
;
981 uint32 create_disposition
;
982 uint32 create_options
;
984 struct security_descriptor
*sd
= NULL
;
987 struct timespec create_timespec
;
988 struct timespec c_timespec
;
989 struct timespec a_timespec
;
990 struct timespec m_timespec
;
991 struct timespec write_time_ts
;
992 struct ea_list
*ea_list
= NULL
;
995 uint64_t allocation_size
;
997 uint8_t oplock_granted
;
998 struct case_semantics_state
*case_state
= NULL
;
999 TALLOC_CTX
*ctx
= talloc_tos();
1001 DEBUG(5,("call_nt_transact_create\n"));
1004 * If it's an IPC, use the pipe handler.
1008 if (lp_nt_pipe_support()) {
1009 do_nt_transact_create_pipe(
1011 ppsetup
, setup_count
,
1012 ppparams
, parameter_count
,
1013 ppdata
, data_count
);
1016 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1021 * Ensure minimum number of parameters sent.
1024 if(parameter_count
< 54) {
1025 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1026 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1030 flags
= IVAL(params
,0);
1031 access_mask
= IVAL(params
,8);
1032 file_attributes
= IVAL(params
,20);
1033 share_access
= IVAL(params
,24);
1034 create_disposition
= IVAL(params
,28);
1035 create_options
= IVAL(params
,32);
1036 sd_len
= IVAL(params
,36);
1037 ea_len
= IVAL(params
,40);
1038 root_dir_fid
= (uint16
)IVAL(params
,4);
1039 allocation_size
= BVAL(params
,12);
1042 * we need to remove ignored bits when they come directly from the client
1043 * because we reuse some of them for internal stuff
1045 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1047 /* Ensure the data_len is correct for the sd and ea values given. */
1048 if ((ea_len
+ sd_len
> data_count
)
1049 || (ea_len
> data_count
) || (sd_len
> data_count
)
1050 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1051 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1052 "%u, data_count = %u\n", (unsigned int)ea_len
,
1053 (unsigned int)sd_len
, (unsigned int)data_count
));
1054 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1059 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1062 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1064 if (!NT_STATUS_IS_OK(status
)) {
1065 DEBUG(10, ("call_nt_transact_create: "
1066 "unmarshall_sec_desc failed: %s\n",
1067 nt_errstr(status
)));
1068 reply_nterror(req
, status
);
1074 if (!lp_ea_support(SNUM(conn
))) {
1075 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1076 "EA's not supported.\n",
1077 (unsigned int)ea_len
));
1078 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1083 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1084 "too small (should be more than 10)\n",
1085 (unsigned int)ea_len
));
1086 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1090 /* We have already checked that ea_len <= data_count here. */
1091 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1093 if (ea_list
== NULL
) {
1094 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1099 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1100 params
+53, parameter_count
-53,
1101 STR_TERMINATE
, &status
);
1102 if (!NT_STATUS_IS_OK(status
)) {
1103 reply_nterror(req
, status
);
1107 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1108 case_state
= set_posix_case_semantics(ctx
, conn
);
1110 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1115 status
= filename_convert(ctx
,
1117 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1123 TALLOC_FREE(case_state
);
1125 if (!NT_STATUS_IS_OK(status
)) {
1126 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1127 reply_botherror(req
,
1128 NT_STATUS_PATH_NOT_COVERED
,
1129 ERRSRV
, ERRbadpath
);
1132 reply_nterror(req
, status
);
1136 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1137 if (oplock_request
) {
1138 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1143 * Bug #6898 - clients using Windows opens should
1144 * never be able to set this attribute into the
1147 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1149 status
= SMB_VFS_CREATE_FILE(
1152 root_dir_fid
, /* root_dir_fid */
1153 smb_fname
, /* fname */
1154 access_mask
, /* access_mask */
1155 share_access
, /* share_access */
1156 create_disposition
, /* create_disposition*/
1157 create_options
, /* create_options */
1158 file_attributes
, /* file_attributes */
1159 oplock_request
, /* oplock_request */
1160 allocation_size
, /* allocation_size */
1161 0, /* private_flags */
1163 ea_list
, /* ea_list */
1167 if(!NT_STATUS_IS_OK(status
)) {
1168 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1169 /* We have re-scheduled this call, no error. */
1172 reply_openerror(req
, status
);
1176 /* Ensure we're pointing at the correct stat struct. */
1177 TALLOC_FREE(smb_fname
);
1178 smb_fname
= fsp
->fsp_name
;
1181 * If the caller set the extended oplock request bit
1182 * and we granted one (by whatever means) - set the
1183 * correct bit for extended oplock reply.
1186 if (oplock_request
&&
1187 (lp_fake_oplocks(SNUM(conn
))
1188 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1191 * Exclusive oplock granted
1194 if (flags
& REQUEST_BATCH_OPLOCK
) {
1195 oplock_granted
= BATCH_OPLOCK_RETURN
;
1197 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1199 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1200 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1202 oplock_granted
= NO_OPLOCK_RETURN
;
1205 file_len
= smb_fname
->st
.st_ex_size
;
1207 /* Realloc the size of parameters and data we will return */
1208 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1209 /* Extended response is 32 more byyes. */
1214 params
= nttrans_realloc(ppparams
, param_len
);
1215 if(params
== NULL
) {
1216 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1221 SCVAL(p
, 0, oplock_granted
);
1224 SSVAL(p
,0,fsp
->fnum
);
1226 if ((create_disposition
== FILE_SUPERSEDE
)
1227 && (info
== FILE_WAS_OVERWRITTEN
)) {
1228 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1234 fattr
= dos_mode(conn
, smb_fname
);
1236 fattr
= FILE_ATTRIBUTE_NORMAL
;
1239 /* Deal with other possible opens having a modified
1241 ZERO_STRUCT(write_time_ts
);
1242 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
1243 if (!null_timespec(write_time_ts
)) {
1244 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1248 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1249 a_timespec
= smb_fname
->st
.st_ex_atime
;
1250 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1251 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1253 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1254 dos_filetime_timespec(&create_timespec
);
1255 dos_filetime_timespec(&a_timespec
);
1256 dos_filetime_timespec(&m_timespec
);
1257 dos_filetime_timespec(&c_timespec
);
1260 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1262 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1264 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1266 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1268 SIVAL(p
,0,fattr
); /* File Attributes. */
1270 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1272 SOFF_T(p
,0,file_len
);
1274 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1275 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
1276 size_t num_names
= 0;
1277 unsigned int num_streams
;
1278 struct stream_struct
*streams
= NULL
;
1280 /* Do we have any EA's ? */
1281 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
1282 smb_fname
->base_name
, NULL
, &num_names
);
1283 if (NT_STATUS_IS_OK(status
) && num_names
) {
1284 file_status
&= ~NO_EAS
;
1286 status
= SMB_VFS_STREAMINFO(conn
, NULL
, smb_fname
->base_name
, ctx
,
1287 &num_streams
, &streams
);
1288 /* There is always one stream, ::$DATA. */
1289 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
1290 file_status
&= ~NO_SUBSTREAMS
;
1292 TALLOC_FREE(streams
);
1293 SSVAL(p
,2,file_status
);
1296 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1298 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1301 if (fsp
->is_directory
||
1302 can_write_to_file(conn
, smb_fname
)) {
1303 perms
= FILE_GENERIC_ALL
;
1305 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1310 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1311 smb_fname_str_dbg(smb_fname
)));
1313 /* Send the required number of replies */
1314 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1319 /****************************************************************************
1320 Reply to a NT CANCEL request.
1321 conn POINTER CAN BE NULL HERE !
1322 ****************************************************************************/
1324 void reply_ntcancel(struct smb_request
*req
)
1327 * Go through and cancel any pending change notifies.
1330 START_PROFILE(SMBntcancel
);
1331 srv_cancel_sign_response(req
->sconn
);
1332 remove_pending_change_notify_requests_by_mid(req
->sconn
, req
->mid
);
1333 remove_pending_lock_requests_by_mid_smb1(req
->sconn
, req
->mid
);
1335 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1336 (unsigned long long)req
->mid
));
1338 END_PROFILE(SMBntcancel
);
1342 /****************************************************************************
1344 ****************************************************************************/
1346 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1347 connection_struct
*conn
,
1348 struct smb_request
*req
,
1349 struct smb_filename
*smb_fname_src
,
1350 struct smb_filename
*smb_fname_dst
,
1353 files_struct
*fsp1
,*fsp2
;
1357 NTSTATUS status
= NT_STATUS_OK
;
1360 if (!CAN_WRITE(conn
)) {
1361 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1365 /* Source must already exist. */
1366 if (!VALID_STAT(smb_fname_src
->st
)) {
1367 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1371 /* Ensure attributes match. */
1372 fattr
= dos_mode(conn
, smb_fname_src
);
1373 if ((fattr
& ~attrs
) & (FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
)) {
1374 status
= NT_STATUS_NO_SUCH_FILE
;
1378 /* Disallow if dst file already exists. */
1379 if (VALID_STAT(smb_fname_dst
->st
)) {
1380 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1384 /* No links from a directory. */
1385 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1386 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1390 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1391 smb_fname_str_dbg(smb_fname_src
),
1392 smb_fname_str_dbg(smb_fname_dst
)));
1394 status
= SMB_VFS_CREATE_FILE(
1397 0, /* root_dir_fid */
1398 smb_fname_src
, /* fname */
1399 FILE_READ_DATA
|FILE_READ_ATTRIBUTES
|
1400 FILE_READ_EA
, /* access_mask */
1401 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1403 FILE_OPEN
, /* create_disposition*/
1404 0, /* create_options */
1405 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1406 NO_OPLOCK
, /* oplock_request */
1407 0, /* allocation_size */
1408 0, /* private_flags */
1414 if (!NT_STATUS_IS_OK(status
)) {
1418 status
= SMB_VFS_CREATE_FILE(
1421 0, /* root_dir_fid */
1422 smb_fname_dst
, /* fname */
1423 FILE_WRITE_DATA
|FILE_WRITE_ATTRIBUTES
|
1424 FILE_WRITE_EA
, /* access_mask */
1425 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1427 FILE_CREATE
, /* create_disposition*/
1428 0, /* create_options */
1429 fattr
, /* file_attributes */
1430 NO_OPLOCK
, /* oplock_request */
1431 0, /* allocation_size */
1432 0, /* private_flags */
1438 if (!NT_STATUS_IS_OK(status
)) {
1439 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1443 if (smb_fname_src
->st
.st_ex_size
) {
1444 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1448 * As we are opening fsp1 read-only we only expect
1449 * an error on close on fsp2 if we are out of space.
1450 * Thus we don't look at the error return from the
1453 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1455 /* Ensure the modtime is set correctly on the destination file. */
1456 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1458 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1460 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1461 creates the file. This isn't the correct thing to do in the copy
1463 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1465 status
= NT_STATUS_NO_MEMORY
;
1468 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1469 TALLOC_FREE(parent
);
1471 if (ret
< (SMB_OFF_T
)smb_fname_src
->st
.st_ex_size
) {
1472 status
= NT_STATUS_DISK_FULL
;
1476 if (!NT_STATUS_IS_OK(status
)) {
1477 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1478 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1479 smb_fname_str_dbg(smb_fname_dst
)));
1485 /****************************************************************************
1486 Reply to a NT rename request.
1487 ****************************************************************************/
1489 void reply_ntrename(struct smb_request
*req
)
1491 connection_struct
*conn
= req
->conn
;
1492 struct smb_filename
*smb_fname_old
= NULL
;
1493 struct smb_filename
*smb_fname_new
= NULL
;
1494 char *oldname
= NULL
;
1495 char *newname
= NULL
;
1498 bool src_has_wcard
= False
;
1499 bool dest_has_wcard
= False
;
1501 uint32_t ucf_flags_src
= 0;
1502 uint32_t ucf_flags_dst
= 0;
1504 TALLOC_CTX
*ctx
= talloc_tos();
1505 bool stream_rename
= false;
1507 START_PROFILE(SMBntrename
);
1510 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1514 attrs
= SVAL(req
->vwv
+0, 0);
1515 rename_type
= SVAL(req
->vwv
+1, 0);
1517 p
= (const char *)req
->buf
+ 1;
1518 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1519 &status
, &src_has_wcard
);
1520 if (!NT_STATUS_IS_OK(status
)) {
1521 reply_nterror(req
, status
);
1525 if (ms_has_wild(oldname
)) {
1526 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1531 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1532 &status
, &dest_has_wcard
);
1533 if (!NT_STATUS_IS_OK(status
)) {
1534 reply_nterror(req
, status
);
1538 if (!lp_posix_pathnames()) {
1539 /* The newname must begin with a ':' if the
1540 oldname contains a ':'. */
1541 if (strchr_m(oldname
, ':')) {
1542 if (newname
[0] != ':') {
1543 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1546 stream_rename
= true;
1551 * If this is a rename operation, allow wildcards and save the
1552 * destination's last component.
1554 if (rename_type
== RENAME_FLAG_RENAME
) {
1555 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1556 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1559 /* rename_internals() calls unix_convert(), so don't call it here. */
1560 status
= filename_convert(ctx
, conn
,
1561 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1566 if (!NT_STATUS_IS_OK(status
)) {
1567 if (NT_STATUS_EQUAL(status
,
1568 NT_STATUS_PATH_NOT_COVERED
)) {
1569 reply_botherror(req
,
1570 NT_STATUS_PATH_NOT_COVERED
,
1571 ERRSRV
, ERRbadpath
);
1574 reply_nterror(req
, status
);
1578 status
= filename_convert(ctx
, conn
,
1579 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1584 if (!NT_STATUS_IS_OK(status
)) {
1585 if (NT_STATUS_EQUAL(status
,
1586 NT_STATUS_PATH_NOT_COVERED
)) {
1587 reply_botherror(req
,
1588 NT_STATUS_PATH_NOT_COVERED
,
1589 ERRSRV
, ERRbadpath
);
1592 reply_nterror(req
, status
);
1596 if (stream_rename
) {
1597 /* smb_fname_new must be the same as smb_fname_old. */
1598 TALLOC_FREE(smb_fname_new
->base_name
);
1599 smb_fname_new
->base_name
= talloc_strdup(smb_fname_new
,
1600 smb_fname_old
->base_name
);
1601 if (!smb_fname_new
->base_name
) {
1602 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1607 DEBUG(3,("reply_ntrename: %s -> %s\n",
1608 smb_fname_str_dbg(smb_fname_old
),
1609 smb_fname_str_dbg(smb_fname_new
)));
1611 switch(rename_type
) {
1612 case RENAME_FLAG_RENAME
:
1613 status
= rename_internals(ctx
, conn
, req
,
1614 smb_fname_old
, smb_fname_new
,
1615 attrs
, False
, src_has_wcard
,
1619 case RENAME_FLAG_HARD_LINK
:
1620 if (src_has_wcard
|| dest_has_wcard
) {
1622 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1624 status
= hardlink_internals(ctx
, conn
,
1631 case RENAME_FLAG_COPY
:
1632 if (src_has_wcard
|| dest_has_wcard
) {
1634 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1636 status
= copy_internals(ctx
, conn
, req
,
1642 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1643 status
= NT_STATUS_INVALID_PARAMETER
;
1646 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1650 if (!NT_STATUS_IS_OK(status
)) {
1651 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1652 /* We have re-scheduled this call. */
1656 reply_nterror(req
, status
);
1660 reply_outbuf(req
, 0, 0);
1662 END_PROFILE(SMBntrename
);
1666 /****************************************************************************
1667 Reply to a notify change - queue the request and
1668 don't allow a directory to be opened.
1669 ****************************************************************************/
1671 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1672 NTSTATUS error_code
,
1673 uint8_t *buf
, size_t len
)
1675 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1678 static void call_nt_transact_notify_change(connection_struct
*conn
,
1679 struct smb_request
*req
,
1683 uint32 parameter_count
,
1684 char **ppdata
, uint32 data_count
,
1685 uint32 max_data_count
,
1686 uint32 max_param_count
)
1688 uint16
*setup
= *ppsetup
;
1694 if(setup_count
< 6) {
1695 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1699 fsp
= file_fsp(req
, SVAL(setup
,4));
1700 filter
= IVAL(setup
, 0);
1701 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1703 DEBUG(3,("call_nt_transact_notify_change\n"));
1706 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1711 char *filter_string
;
1713 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1714 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1718 DEBUG(3,("call_nt_transact_notify_change: notify change "
1719 "called on %s, filter = %s, recursive = %d\n",
1720 fsp_str_dbg(fsp
), filter_string
, recursive
));
1722 TALLOC_FREE(filter_string
);
1725 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1726 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1730 if (fsp
->notify
== NULL
) {
1732 status
= change_notify_create(fsp
, filter
, recursive
);
1734 if (!NT_STATUS_IS_OK(status
)) {
1735 DEBUG(10, ("change_notify_create returned %s\n",
1736 nt_errstr(status
)));
1737 reply_nterror(req
, status
);
1742 if (fsp
->notify
->num_changes
!= 0) {
1745 * We've got changes pending, respond immediately
1749 * TODO: write a torture test to check the filtering behaviour
1753 change_notify_reply(req
,
1757 smbd_smb1_notify_reply
);
1760 * change_notify_reply() above has independently sent its
1767 * No changes pending, queue the request
1770 status
= change_notify_add_request(req
,
1774 smbd_smb1_notify_reply
);
1775 if (!NT_STATUS_IS_OK(status
)) {
1776 reply_nterror(req
, status
);
1781 /****************************************************************************
1782 Reply to an NT transact rename command.
1783 ****************************************************************************/
1785 static void call_nt_transact_rename(connection_struct
*conn
,
1786 struct smb_request
*req
,
1787 uint16
**ppsetup
, uint32 setup_count
,
1788 char **ppparams
, uint32 parameter_count
,
1789 char **ppdata
, uint32 data_count
,
1790 uint32 max_data_count
)
1792 char *params
= *ppparams
;
1793 char *new_name
= NULL
;
1794 files_struct
*fsp
= NULL
;
1795 bool dest_has_wcard
= False
;
1797 TALLOC_CTX
*ctx
= talloc_tos();
1799 if(parameter_count
< 5) {
1800 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1804 fsp
= file_fsp(req
, SVAL(params
, 0));
1805 if (!check_fsp(conn
, req
, fsp
)) {
1808 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1809 parameter_count
- 4,
1810 STR_TERMINATE
, &status
, &dest_has_wcard
);
1811 if (!NT_STATUS_IS_OK(status
)) {
1812 reply_nterror(req
, status
);
1817 * W2K3 ignores this request as the RAW-RENAME test
1818 * demonstrates, so we do.
1820 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1822 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1823 fsp_str_dbg(fsp
), new_name
));
1828 /******************************************************************************
1829 Fake up a completely empty SD.
1830 *******************************************************************************/
1832 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppsd
)
1836 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1838 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1839 return NT_STATUS_NO_MEMORY
;
1842 return NT_STATUS_OK
;
1845 /****************************************************************************
1846 Reply to query a security descriptor.
1847 Callable from SMB2 and SMB2.
1848 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1850 ****************************************************************************/
1852 NTSTATUS
smbd_do_query_security_desc(connection_struct
*conn
,
1853 TALLOC_CTX
*mem_ctx
,
1855 uint32_t security_info_wanted
,
1856 uint32_t max_data_count
,
1857 uint8_t **ppmarshalled_sd
,
1861 struct security_descriptor
*psd
= NULL
;
1864 * Get the permissions to return.
1867 if ((security_info_wanted
& SECINFO_SACL
) &&
1868 !(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
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 return NT_STATUS_ACCESS_DENIED
;
1877 if (security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|
1878 SECINFO_GROUP
|SECINFO_SACL
)) {
1879 /* Don't return SECINFO_LABEL if anything else was
1880 requested. See bug #8458. */
1881 security_info_wanted
&= ~SECINFO_LABEL
;
1884 if (!lp_nt_acl_support(SNUM(conn
))) {
1885 status
= get_null_nt_acl(mem_ctx
, &psd
);
1886 } else if (security_info_wanted
& SECINFO_LABEL
) {
1887 /* Like W2K3 return a null object. */
1888 status
= get_null_nt_acl(mem_ctx
, &psd
);
1890 status
= SMB_VFS_FGET_NT_ACL(
1891 fsp
, security_info_wanted
, &psd
);
1893 if (!NT_STATUS_IS_OK(status
)) {
1897 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1898 psd
->owner_sid
= NULL
;
1900 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1901 psd
->group_sid
= NULL
;
1903 if (!(security_info_wanted
& SECINFO_DACL
)) {
1906 if (!(security_info_wanted
& SECINFO_SACL
)) {
1910 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1911 * present in the reply to match Windows behavior */
1912 if (psd
->sacl
== NULL
&&
1913 security_info_wanted
& SECINFO_SACL
)
1914 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1915 if (psd
->dacl
== NULL
&&
1916 security_info_wanted
& SECINFO_DACL
)
1917 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1919 if (security_info_wanted
& SECINFO_LABEL
) {
1920 /* Like W2K3 return a null object. */
1921 psd
->owner_sid
= NULL
;
1922 psd
->group_sid
= NULL
;
1925 psd
->type
&= ~(SEC_DESC_DACL_PRESENT
|SEC_DESC_SACL_PRESENT
);
1928 *psd_size
= ndr_size_security_descriptor(psd
, 0);
1930 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1931 (unsigned long)*psd_size
));
1933 if (DEBUGLEVEL
>= 10) {
1934 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1936 NDR_PRINT_DEBUG(security_descriptor
, psd
);
1939 if (max_data_count
< *psd_size
) {
1941 return NT_STATUS_BUFFER_TOO_SMALL
;
1944 status
= marshall_sec_desc(mem_ctx
, psd
,
1945 ppmarshalled_sd
, psd_size
);
1947 if (!NT_STATUS_IS_OK(status
)) {
1953 return NT_STATUS_OK
;
1956 /****************************************************************************
1957 SMB1 reply to query a security descriptor.
1958 ****************************************************************************/
1960 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
1961 struct smb_request
*req
,
1965 uint32 parameter_count
,
1968 uint32 max_data_count
)
1970 char *params
= *ppparams
;
1971 char *data
= *ppdata
;
1973 uint32 security_info_wanted
;
1974 files_struct
*fsp
= NULL
;
1976 uint8_t *marshalled_sd
= NULL
;
1978 if(parameter_count
< 8) {
1979 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1983 fsp
= file_fsp(req
, SVAL(params
,0));
1985 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1989 security_info_wanted
= IVAL(params
,4);
1991 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1992 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
1993 (unsigned int)security_info_wanted
));
1995 params
= nttrans_realloc(ppparams
, 4);
1996 if(params
== NULL
) {
1997 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2002 * Get the permissions to return.
2005 status
= smbd_do_query_security_desc(conn
,
2008 security_info_wanted
,
2013 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
2014 SIVAL(params
,0,(uint32_t)sd_size
);
2015 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2016 params
, 4, NULL
, 0);
2020 if (!NT_STATUS_IS_OK(status
)) {
2021 reply_nterror(req
, status
);
2025 SMB_ASSERT(sd_size
> 0);
2027 SIVAL(params
,0,(uint32_t)sd_size
);
2029 if (max_data_count
< sd_size
) {
2030 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2031 params
, 4, NULL
, 0);
2036 * Allocate the data we will return.
2039 data
= nttrans_realloc(ppdata
, sd_size
);
2041 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2045 memcpy(data
, marshalled_sd
, sd_size
);
2047 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
2052 /****************************************************************************
2053 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2054 ****************************************************************************/
2056 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
2057 struct smb_request
*req
,
2061 uint32 parameter_count
,
2064 uint32 max_data_count
)
2066 char *params
= *ppparams
;
2067 char *data
= *ppdata
;
2068 files_struct
*fsp
= NULL
;
2069 uint32 security_info_sent
= 0;
2072 if(parameter_count
< 8) {
2073 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2077 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
2078 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2082 if (!CAN_WRITE(fsp
->conn
)) {
2083 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2087 if(!lp_nt_acl_support(SNUM(conn
))) {
2091 security_info_sent
= IVAL(params
,4);
2093 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2094 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
2096 if (data_count
== 0) {
2097 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2101 status
= set_sd(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
2103 if (!NT_STATUS_IS_OK(status
)) {
2104 reply_nterror(req
, status
);
2109 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2113 /****************************************************************************
2115 ****************************************************************************/
2117 static void call_nt_transact_ioctl(connection_struct
*conn
,
2118 struct smb_request
*req
,
2119 uint16
**ppsetup
, uint32 setup_count
,
2120 char **ppparams
, uint32 parameter_count
,
2121 char **ppdata
, uint32 data_count
,
2122 uint32 max_data_count
)
2130 char *out_data
= NULL
;
2131 uint32 out_data_len
= 0;
2132 char *pdata
= *ppdata
;
2133 TALLOC_CTX
*ctx
= talloc_tos();
2135 if (setup_count
!= 8) {
2136 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
2137 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2141 function
= IVAL(*ppsetup
, 0);
2142 fidnum
= SVAL(*ppsetup
, 4);
2143 isFSctl
= CVAL(*ppsetup
, 6);
2144 compfilter
= CVAL(*ppsetup
, 7);
2146 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2147 function
, fidnum
, isFSctl
, compfilter
));
2149 fsp
=file_fsp(req
, fidnum
);
2152 * We don't really implement IOCTLs, especially on files.
2155 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2157 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2161 /* Has to be for an open file! */
2162 if (!check_fsp_open(conn
, req
, fsp
)) {
2166 SMB_PERFCOUNT_SET_IOCTL(&req
->pcd
, function
);
2169 * out_data might be allocated by the VFS module, but talloc should be
2170 * used, and should be cleaned up when the request ends.
2172 status
= SMB_VFS_FSCTL(fsp
,
2178 (uint8_t **)&out_data
,
2181 if (!NT_STATUS_IS_OK(status
)) {
2182 reply_nterror(req
, status
);
2184 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, out_data
, out_data_len
);
2189 #ifdef HAVE_SYS_QUOTAS
2190 /****************************************************************************
2191 Reply to get user quota
2192 ****************************************************************************/
2194 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2195 struct smb_request
*req
,
2199 uint32 parameter_count
,
2202 uint32 max_data_count
)
2204 NTSTATUS nt_status
= NT_STATUS_OK
;
2205 char *params
= *ppparams
;
2206 char *pdata
= *ppdata
;
2208 int data_len
=0,param_len
=0;
2211 files_struct
*fsp
= NULL
;
2215 bool start_enum
= True
;
2216 SMB_NTQUOTA_STRUCT qt
;
2217 SMB_NTQUOTA_LIST
*tmp_list
;
2218 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2223 if (get_current_uid(conn
) != 0) {
2224 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2225 "[%s]\n", lp_servicename(SNUM(conn
)),
2226 conn
->session_info
->unix_info
->unix_name
));
2227 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2232 * Ensure minimum number of parameters sent.
2235 if (parameter_count
< 4) {
2236 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2237 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2241 /* maybe we can check the quota_fnum */
2242 fsp
= file_fsp(req
, SVAL(params
,0));
2243 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2244 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2245 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2249 /* the NULL pointer checking for fsp->fake_file_handle->pd
2250 * is done by CHECK_NTQUOTA_HANDLE_OK()
2252 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2254 level
= SVAL(params
,2);
2256 /* unknown 12 bytes leading in params */
2259 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2260 /* seems that we should continue with the enum here --metze */
2262 if (qt_handle
->quota_list
!=NULL
&&
2263 qt_handle
->tmp_list
==NULL
) {
2266 free_ntquota_list(&(qt_handle
->quota_list
));
2268 /* Realloc the size of parameters and data we will return */
2270 params
= nttrans_realloc(ppparams
, param_len
);
2271 if(params
== NULL
) {
2272 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2277 SIVAL(params
,0,data_len
);
2284 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2286 if (qt_handle
->quota_list
==NULL
&&
2287 qt_handle
->tmp_list
==NULL
) {
2291 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2292 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2296 /* Realloc the size of parameters and data we will return */
2298 params
= nttrans_realloc(ppparams
, param_len
);
2299 if(params
== NULL
) {
2300 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2304 /* we should not trust the value in max_data_count*/
2305 max_data_count
= MIN(max_data_count
,2048);
2307 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2309 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2315 /* set params Size of returned Quota Data 4 bytes*/
2316 /* but set it later when we know it */
2318 /* for each entry push the data */
2321 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2324 tmp_list
= qt_handle
->tmp_list
;
2326 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2327 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2329 sid_len
= ndr_size_dom_sid(
2330 &tmp_list
->quotas
->sid
, 0);
2331 entry_len
= 40 + sid_len
;
2333 /* nextoffset entry 4 bytes */
2334 SIVAL(entry
,0,entry_len
);
2336 /* then the len of the SID 4 bytes */
2337 SIVAL(entry
,4,sid_len
);
2339 /* unknown data 8 bytes uint64_t */
2340 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2342 /* the used disk space 8 bytes uint64_t */
2343 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2345 /* the soft quotas 8 bytes uint64_t */
2346 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2348 /* the hard quotas 8 bytes uint64_t */
2349 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2351 /* and now the SID */
2352 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2355 qt_handle
->tmp_list
= tmp_list
;
2357 /* overwrite the offset of the last entry */
2358 SIVAL(entry
-entry_len
,0,0);
2360 data_len
= 4+qt_len
;
2361 /* overwrite the params quota_data_len */
2362 SIVAL(params
,0,data_len
);
2366 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2368 /* unknown 4 bytes IVAL(pdata,0) */
2370 if (data_count
< 8) {
2371 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2372 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2376 sid_len
= IVAL(pdata
,4);
2377 /* Ensure this is less than 1mb. */
2378 if (sid_len
> (1024*1024)) {
2379 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2383 if (data_count
< 8+sid_len
) {
2384 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2385 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2389 data_len
= 4+40+sid_len
;
2391 if (max_data_count
< data_len
) {
2392 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2393 max_data_count
, data_len
));
2395 SIVAL(params
,0,data_len
);
2397 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2401 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2402 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2406 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2409 * we have to return zero's in all fields
2410 * instead of returning an error here
2415 /* Realloc the size of parameters and data we will return */
2417 params
= nttrans_realloc(ppparams
, param_len
);
2418 if(params
== NULL
) {
2419 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2423 pdata
= nttrans_realloc(ppdata
, data_len
);
2425 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2431 /* set params Size of returned Quota Data 4 bytes*/
2432 SIVAL(params
,0,data_len
);
2434 /* nextoffset entry 4 bytes */
2437 /* then the len of the SID 4 bytes */
2438 SIVAL(entry
,4,sid_len
);
2440 /* unknown data 8 bytes uint64_t */
2441 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2443 /* the used disk space 8 bytes uint64_t */
2444 SBIG_UINT(entry
,16,qt
.usedspace
);
2446 /* the soft quotas 8 bytes uint64_t */
2447 SBIG_UINT(entry
,24,qt
.softlim
);
2449 /* the hard quotas 8 bytes uint64_t */
2450 SBIG_UINT(entry
,32,qt
.hardlim
);
2452 /* and now the SID */
2453 sid_linearize(entry
+40, sid_len
, &sid
);
2458 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp
->fnum
,level
));
2459 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2464 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2468 /****************************************************************************
2469 Reply to set user quota
2470 ****************************************************************************/
2472 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2473 struct smb_request
*req
,
2477 uint32 parameter_count
,
2480 uint32 max_data_count
)
2482 char *params
= *ppparams
;
2483 char *pdata
= *ppdata
;
2484 int data_len
=0,param_len
=0;
2485 SMB_NTQUOTA_STRUCT qt
;
2488 files_struct
*fsp
= NULL
;
2493 if (get_current_uid(conn
) != 0) {
2494 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2495 "[%s]\n", lp_servicename(SNUM(conn
)),
2496 conn
->session_info
->unix_info
->unix_name
));
2497 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2502 * Ensure minimum number of parameters sent.
2505 if (parameter_count
< 2) {
2506 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2507 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2511 /* maybe we can check the quota_fnum */
2512 fsp
= file_fsp(req
, SVAL(params
,0));
2513 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2514 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2515 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2519 if (data_count
< 40) {
2520 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2521 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2525 /* offset to next quota record.
2526 * 4 bytes IVAL(pdata,0)
2531 sid_len
= IVAL(pdata
,4);
2533 if (data_count
< 40+sid_len
|| (40+sid_len
< sid_len
)) {
2534 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2535 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2539 /* unknown 8 bytes in pdata
2540 * maybe its the change time in NTTIME
2543 /* the used space 8 bytes (uint64_t)*/
2544 qt
.usedspace
= BVAL(pdata
,16);
2546 /* the soft quotas 8 bytes (uint64_t)*/
2547 qt
.softlim
= BVAL(pdata
,24);
2549 /* the hard quotas 8 bytes (uint64_t)*/
2550 qt
.hardlim
= BVAL(pdata
,32);
2552 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2553 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2557 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2559 /* 44 unknown bytes left... */
2561 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2562 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2566 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2569 #endif /* HAVE_SYS_QUOTAS */
2571 static void handle_nttrans(connection_struct
*conn
,
2572 struct trans_state
*state
,
2573 struct smb_request
*req
)
2575 if (get_Protocol() >= PROTOCOL_NT1
) {
2576 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2577 SSVAL(discard_const_p(uint8_t, req
->inbuf
),smb_flg2
,req
->flags2
);
2581 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2583 /* Now we must call the relevant NT_TRANS function */
2584 switch(state
->call
) {
2585 case NT_TRANSACT_CREATE
:
2587 START_PROFILE(NT_transact_create
);
2588 call_nt_transact_create(
2590 &state
->setup
, state
->setup_count
,
2591 &state
->param
, state
->total_param
,
2592 &state
->data
, state
->total_data
,
2593 state
->max_data_return
);
2594 END_PROFILE(NT_transact_create
);
2598 case NT_TRANSACT_IOCTL
:
2600 START_PROFILE(NT_transact_ioctl
);
2601 call_nt_transact_ioctl(
2603 &state
->setup
, state
->setup_count
,
2604 &state
->param
, state
->total_param
,
2605 &state
->data
, state
->total_data
,
2606 state
->max_data_return
);
2607 END_PROFILE(NT_transact_ioctl
);
2611 case NT_TRANSACT_SET_SECURITY_DESC
:
2613 START_PROFILE(NT_transact_set_security_desc
);
2614 call_nt_transact_set_security_desc(
2616 &state
->setup
, state
->setup_count
,
2617 &state
->param
, state
->total_param
,
2618 &state
->data
, state
->total_data
,
2619 state
->max_data_return
);
2620 END_PROFILE(NT_transact_set_security_desc
);
2624 case NT_TRANSACT_NOTIFY_CHANGE
:
2626 START_PROFILE(NT_transact_notify_change
);
2627 call_nt_transact_notify_change(
2629 &state
->setup
, state
->setup_count
,
2630 &state
->param
, state
->total_param
,
2631 &state
->data
, state
->total_data
,
2632 state
->max_data_return
,
2633 state
->max_param_return
);
2634 END_PROFILE(NT_transact_notify_change
);
2638 case NT_TRANSACT_RENAME
:
2640 START_PROFILE(NT_transact_rename
);
2641 call_nt_transact_rename(
2643 &state
->setup
, state
->setup_count
,
2644 &state
->param
, state
->total_param
,
2645 &state
->data
, state
->total_data
,
2646 state
->max_data_return
);
2647 END_PROFILE(NT_transact_rename
);
2651 case NT_TRANSACT_QUERY_SECURITY_DESC
:
2653 START_PROFILE(NT_transact_query_security_desc
);
2654 call_nt_transact_query_security_desc(
2656 &state
->setup
, state
->setup_count
,
2657 &state
->param
, state
->total_param
,
2658 &state
->data
, state
->total_data
,
2659 state
->max_data_return
);
2660 END_PROFILE(NT_transact_query_security_desc
);
2664 #ifdef HAVE_SYS_QUOTAS
2665 case NT_TRANSACT_GET_USER_QUOTA
:
2667 START_PROFILE(NT_transact_get_user_quota
);
2668 call_nt_transact_get_user_quota(
2670 &state
->setup
, state
->setup_count
,
2671 &state
->param
, state
->total_param
,
2672 &state
->data
, state
->total_data
,
2673 state
->max_data_return
);
2674 END_PROFILE(NT_transact_get_user_quota
);
2678 case NT_TRANSACT_SET_USER_QUOTA
:
2680 START_PROFILE(NT_transact_set_user_quota
);
2681 call_nt_transact_set_user_quota(
2683 &state
->setup
, state
->setup_count
,
2684 &state
->param
, state
->total_param
,
2685 &state
->data
, state
->total_data
,
2686 state
->max_data_return
);
2687 END_PROFILE(NT_transact_set_user_quota
);
2690 #endif /* HAVE_SYS_QUOTAS */
2693 /* Error in request */
2694 DEBUG(0,("handle_nttrans: Unknown request %d in "
2695 "nttrans call\n", state
->call
));
2696 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2702 /****************************************************************************
2703 Reply to a SMBNTtrans.
2704 ****************************************************************************/
2706 void reply_nttrans(struct smb_request
*req
)
2708 connection_struct
*conn
= req
->conn
;
2713 uint16 function_code
;
2715 struct trans_state
*state
;
2717 START_PROFILE(SMBnttrans
);
2719 if (req
->wct
< 19) {
2720 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2721 END_PROFILE(SMBnttrans
);
2725 pscnt
= IVAL(req
->vwv
+9, 1);
2726 psoff
= IVAL(req
->vwv
+11, 1);
2727 dscnt
= IVAL(req
->vwv
+13, 1);
2728 dsoff
= IVAL(req
->vwv
+15, 1);
2729 function_code
= SVAL(req
->vwv
+18, 0);
2731 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
2732 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2733 END_PROFILE(SMBnttrans
);
2737 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
2738 if (!NT_STATUS_IS_OK(result
)) {
2739 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
2740 reply_nterror(req
, result
);
2741 END_PROFILE(SMBnttrans
);
2745 if ((state
= talloc(conn
, struct trans_state
)) == NULL
) {
2746 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2747 END_PROFILE(SMBnttrans
);
2751 state
->cmd
= SMBnttrans
;
2753 state
->mid
= req
->mid
;
2754 state
->vuid
= req
->vuid
;
2755 state
->total_data
= IVAL(req
->vwv
+3, 1);
2757 state
->total_param
= IVAL(req
->vwv
+1, 1);
2758 state
->param
= NULL
;
2759 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
2760 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
2762 /* setup count is in *words* */
2763 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
2764 state
->setup
= NULL
;
2765 state
->call
= function_code
;
2767 DEBUG(10, ("num_setup=%u, "
2768 "param_total=%u, this_param=%u, max_param=%u, "
2769 "data_total=%u, this_data=%u, max_data=%u, "
2770 "param_offset=%u, data_offset=%u\n",
2771 (unsigned)state
->setup_count
,
2772 (unsigned)state
->total_param
, (unsigned)pscnt
,
2773 (unsigned)state
->max_param_return
,
2774 (unsigned)state
->total_data
, (unsigned)dscnt
,
2775 (unsigned)state
->max_data_return
,
2776 (unsigned)psoff
, (unsigned)dsoff
));
2779 * All nttrans messages we handle have smb_wct == 19 +
2780 * state->setup_count. Ensure this is so as a sanity check.
2783 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
2784 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2785 req
->wct
, 19 + (state
->setup_count
/2)));
2789 /* Don't allow more than 128mb for each value. */
2790 if ((state
->total_data
> (1024*1024*128)) ||
2791 (state
->total_param
> (1024*1024*128))) {
2792 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2793 END_PROFILE(SMBnttrans
);
2797 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
2800 if (state
->total_data
) {
2802 if (trans_oob(state
->total_data
, 0, dscnt
)
2803 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
2807 /* Can't use talloc here, the core routines do realloc on the
2808 * params and data. */
2809 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
2810 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2811 "bytes !\n", (unsigned int)state
->total_data
));
2813 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2814 END_PROFILE(SMBnttrans
);
2818 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
2821 if (state
->total_param
) {
2823 if (trans_oob(state
->total_param
, 0, pscnt
)
2824 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
2828 /* Can't use talloc here, the core routines do realloc on the
2829 * params and data. */
2830 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
2831 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2832 "bytes !\n", (unsigned int)state
->total_param
));
2833 SAFE_FREE(state
->data
);
2835 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2836 END_PROFILE(SMBnttrans
);
2840 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
2843 state
->received_data
= dscnt
;
2844 state
->received_param
= pscnt
;
2846 if(state
->setup_count
> 0) {
2847 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2848 state
->setup_count
));
2851 * No overflow possible here, state->setup_count is an
2852 * unsigned int, being filled by a single byte from
2853 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2854 * below is not necessary, it's here to clarify things. The
2855 * validity of req->vwv and req->wct has been checked in
2856 * init_smb_request already.
2858 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
2862 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
2863 if (state
->setup
== NULL
) {
2864 DEBUG(0,("reply_nttrans : Out of memory\n"));
2865 SAFE_FREE(state
->data
);
2866 SAFE_FREE(state
->param
);
2868 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2869 END_PROFILE(SMBnttrans
);
2873 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
2874 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
2877 if ((state
->received_data
== state
->total_data
) &&
2878 (state
->received_param
== state
->total_param
)) {
2879 handle_nttrans(conn
, state
, req
);
2880 SAFE_FREE(state
->param
);
2881 SAFE_FREE(state
->data
);
2883 END_PROFILE(SMBnttrans
);
2887 DLIST_ADD(conn
->pending_trans
, state
);
2889 /* We need to send an interim response then receive the rest
2890 of the parameter/data bytes */
2891 reply_outbuf(req
, 0, 0);
2892 show_msg((char *)req
->outbuf
);
2893 END_PROFILE(SMBnttrans
);
2898 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2899 SAFE_FREE(state
->data
);
2900 SAFE_FREE(state
->param
);
2902 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2903 END_PROFILE(SMBnttrans
);
2907 /****************************************************************************
2908 Reply to a SMBnttranss
2909 ****************************************************************************/
2911 void reply_nttranss(struct smb_request
*req
)
2913 connection_struct
*conn
= req
->conn
;
2914 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
2915 struct trans_state
*state
;
2917 START_PROFILE(SMBnttranss
);
2919 show_msg((const char *)req
->inbuf
);
2921 if (req
->wct
< 18) {
2922 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2923 END_PROFILE(SMBnttranss
);
2927 for (state
= conn
->pending_trans
; state
!= NULL
;
2928 state
= state
->next
) {
2929 if (state
->mid
== req
->mid
) {
2934 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
2935 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2936 END_PROFILE(SMBnttranss
);
2940 /* Revise state->total_param and state->total_data in case they have
2941 changed downwards */
2942 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
2943 state
->total_param
= IVAL(req
->vwv
+1, 1);
2945 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
2946 state
->total_data
= IVAL(req
->vwv
+3, 1);
2949 pcnt
= IVAL(req
->vwv
+5, 1);
2950 poff
= IVAL(req
->vwv
+7, 1);
2951 pdisp
= IVAL(req
->vwv
+9, 1);
2953 dcnt
= IVAL(req
->vwv
+11, 1);
2954 doff
= IVAL(req
->vwv
+13, 1);
2955 ddisp
= IVAL(req
->vwv
+15, 1);
2957 state
->received_param
+= pcnt
;
2958 state
->received_data
+= dcnt
;
2960 if ((state
->received_data
> state
->total_data
) ||
2961 (state
->received_param
> state
->total_param
))
2965 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
2966 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
2969 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
2973 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
2974 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
2977 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
2980 if ((state
->received_param
< state
->total_param
) ||
2981 (state
->received_data
< state
->total_data
)) {
2982 END_PROFILE(SMBnttranss
);
2986 handle_nttrans(conn
, state
, req
);
2988 DLIST_REMOVE(conn
->pending_trans
, state
);
2989 SAFE_FREE(state
->data
);
2990 SAFE_FREE(state
->param
);
2992 END_PROFILE(SMBnttranss
);
2997 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2998 DLIST_REMOVE(conn
->pending_trans
, state
);
2999 SAFE_FREE(state
->data
);
3000 SAFE_FREE(state
->param
);
3002 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3003 END_PROFILE(SMBnttranss
);