2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/filesys.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "fake_file.h"
26 #include "../libcli/security/security.h"
27 #include "../librpc/gen_ndr/ndr_security.h"
28 #include "passdb/lookup_sid.h"
30 #include "smbprofile.h"
31 #include "libsmb/libsmb.h"
33 extern const struct generic_mapping file_generic_mapping
;
35 static char *nttrans_realloc(char **ptr
, size_t size
)
38 smb_panic("nttrans_realloc() called with NULL ptr");
41 *ptr
= (char *)SMB_REALLOC(*ptr
, size
);
45 memset(*ptr
,'\0',size
);
49 /****************************************************************************
50 Send the required number of replies back.
51 We assume all fields other than the data fields are
52 set correctly for the type of call.
53 HACK ! Always assumes smb_setup field is zero.
54 ****************************************************************************/
56 static void send_nt_replies(connection_struct
*conn
,
57 struct smb_request
*req
, NTSTATUS nt_error
,
58 char *params
, int paramsize
,
59 char *pdata
, int datasize
)
61 int data_to_send
= datasize
;
62 int params_to_send
= paramsize
;
66 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
67 int alignment_offset
= 1;
68 int data_alignment_offset
= 0;
69 struct smbd_server_connection
*sconn
= req
->sconn
;
70 int max_send
= sconn
->smb1
.sessions
.max_send
;
73 * If there genuinely are no parameters or data to send just send
77 if(params_to_send
== 0 && data_to_send
== 0) {
78 reply_outbuf(req
, 18, 0);
79 if (NT_STATUS_V(nt_error
)) {
80 error_packet_set((char *)req
->outbuf
,
84 show_msg((char *)req
->outbuf
);
85 if (!srv_send_smb(sconn
,
88 IS_CONN_ENCRYPTED(conn
),
90 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
92 TALLOC_FREE(req
->outbuf
);
97 * When sending params and data ensure that both are nicely aligned.
98 * Only do this alignment when there is also data to send - else
99 * can cause NT redirector problems.
102 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
103 data_alignment_offset
= 4 - (params_to_send
% 4);
107 * Space is bufsize minus Netbios over TCP header minus SMB header.
108 * The alignment_offset is to align the param bytes on a four byte
109 * boundary (2 bytes for data len, one byte pad).
110 * NT needs this to work correctly.
113 useable_space
= max_send
- (smb_size
116 + data_alignment_offset
);
118 if (useable_space
< 0) {
119 char *msg
= talloc_asprintf(
121 "send_nt_replies failed sanity useable_space = %d!!!",
123 DEBUG(0, ("%s\n", msg
));
124 exit_server_cleanly(msg
);
127 while (params_to_send
|| data_to_send
) {
130 * Calculate whether we will totally or partially fill this packet.
133 total_sent_thistime
= params_to_send
+ data_to_send
;
136 * We can never send more than useable_space.
139 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
141 reply_outbuf(req
, 18,
142 total_sent_thistime
+ alignment_offset
143 + data_alignment_offset
);
146 * Set total params and data to be sent.
149 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
150 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
153 * Calculate how many parameters and data we can fit into
154 * this packet. Parameters get precedence.
157 params_sent_thistime
= MIN(params_to_send
,useable_space
);
158 data_sent_thistime
= useable_space
- params_sent_thistime
;
159 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
161 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
162 params_sent_thistime
);
164 if(params_sent_thistime
== 0) {
165 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
166 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
169 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
170 * parameter bytes, however the first 4 bytes of outbuf are
171 * the Netbios over TCP header. Thus use smb_base() to subtract
172 * them from the calculation.
175 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
176 ((smb_buf(req
->outbuf
)+alignment_offset
)
177 - smb_base(req
->outbuf
)));
179 * Absolute displacement of param bytes sent in this packet.
182 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
187 * Deal with the data portion.
190 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
192 if(data_sent_thistime
== 0) {
193 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
194 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
197 * The offset of the data bytes is the offset of the
198 * parameter bytes plus the number of parameters being sent this time.
201 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
202 ((smb_buf(req
->outbuf
)+alignment_offset
) -
203 smb_base(req
->outbuf
))
204 + params_sent_thistime
+ data_alignment_offset
);
205 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
209 * Copy the param bytes into the packet.
212 if(params_sent_thistime
) {
213 if (alignment_offset
!= 0) {
214 memset(smb_buf(req
->outbuf
), 0,
217 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
218 params_sent_thistime
);
222 * Copy in the data bytes
225 if(data_sent_thistime
) {
226 if (data_alignment_offset
!= 0) {
227 memset((smb_buf(req
->outbuf
)+alignment_offset
+
228 params_sent_thistime
), 0,
229 data_alignment_offset
);
231 memcpy(smb_buf(req
->outbuf
)+alignment_offset
232 +params_sent_thistime
+data_alignment_offset
,
233 pd
,data_sent_thistime
);
236 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
237 params_sent_thistime
, data_sent_thistime
, useable_space
));
238 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
239 params_to_send
, data_to_send
, paramsize
, datasize
));
241 if (NT_STATUS_V(nt_error
)) {
242 error_packet_set((char *)req
->outbuf
,
247 /* Send the packet */
248 show_msg((char *)req
->outbuf
);
249 if (!srv_send_smb(sconn
,
252 IS_CONN_ENCRYPTED(conn
),
254 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
257 TALLOC_FREE(req
->outbuf
);
259 pp
+= params_sent_thistime
;
260 pd
+= data_sent_thistime
;
262 params_to_send
-= params_sent_thistime
;
263 data_to_send
-= data_sent_thistime
;
269 if(params_to_send
< 0 || data_to_send
< 0) {
270 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
271 params_to_send
, data_to_send
));
272 exit_server_cleanly("send_nt_replies: internal error");
277 /****************************************************************************
278 Reply to an NT create and X call on a pipe
279 ****************************************************************************/
281 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
282 struct smb_request
*req
, uint16_t *ppnum
)
287 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
289 /* Strip \\ off the name if present. */
290 while (fname
[0] == '\\') {
294 status
= open_np_file(req
, fname
, &fsp
);
295 if (!NT_STATUS_IS_OK(status
)) {
296 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
297 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
301 reply_nterror(req
, status
);
309 /****************************************************************************
310 Reply to an NT create and X call for pipes.
311 ****************************************************************************/
313 static void do_ntcreate_pipe_open(connection_struct
*conn
,
314 struct smb_request
*req
)
317 uint16_t pnum
= FNUM_FIELD_INVALID
;
319 uint32 flags
= IVAL(req
->vwv
+3, 1);
320 TALLOC_CTX
*ctx
= talloc_tos();
322 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
325 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
329 nt_open_pipe(fname
, conn
, req
, &pnum
);
337 * Deal with pipe return.
340 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
341 /* This is very strange. We
342 * return 50 words, but only set
343 * the wcnt to 42 ? It's definitely
344 * what happens on the wire....
346 reply_outbuf(req
, 50, 0);
347 SCVAL(req
->outbuf
,smb_wct
,42);
349 reply_outbuf(req
, 34, 0);
352 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
353 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
355 p
= (char *)req
->outbuf
+ smb_vwv2
;
359 SIVAL(p
,0,FILE_WAS_OPENED
);
362 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
365 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
367 SSVAL(p
,2, 0x5FF); /* ? */
370 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
372 SIVAL(p
,0,FILE_GENERIC_ALL
);
374 * For pipes W2K3 seems to return
376 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
378 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
381 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
384 struct case_semantics_state
{
385 connection_struct
*conn
;
388 bool short_case_preserve
;
391 /****************************************************************************
392 Restore case semantics.
393 ****************************************************************************/
395 static int restore_case_semantics(struct case_semantics_state
*state
)
397 state
->conn
->case_sensitive
= state
->case_sensitive
;
398 state
->conn
->case_preserve
= state
->case_preserve
;
399 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
403 /****************************************************************************
405 ****************************************************************************/
407 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
408 connection_struct
*conn
)
410 struct case_semantics_state
*result
;
412 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
417 result
->case_sensitive
= conn
->case_sensitive
;
418 result
->case_preserve
= conn
->case_preserve
;
419 result
->short_case_preserve
= conn
->short_case_preserve
;
422 conn
->case_sensitive
= True
;
423 conn
->case_preserve
= True
;
424 conn
->short_case_preserve
= True
;
426 talloc_set_destructor(result
, restore_case_semantics
);
431 /****************************************************************************
432 Reply to an NT create and X call.
433 ****************************************************************************/
435 void reply_ntcreate_and_X(struct smb_request
*req
)
437 connection_struct
*conn
= req
->conn
;
438 struct smb_filename
*smb_fname
= NULL
;
442 uint32 file_attributes
;
444 uint32 create_disposition
;
445 uint32 create_options
;
447 uint64_t allocation_size
;
448 /* Breakout the oplock request bits so we can set the
449 reply bits separately. */
453 files_struct
*fsp
= NULL
;
455 struct timespec create_timespec
;
456 struct timespec c_timespec
;
457 struct timespec a_timespec
;
458 struct timespec m_timespec
;
459 struct timespec write_time_ts
;
462 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
463 struct case_semantics_state
*case_state
= NULL
;
464 TALLOC_CTX
*ctx
= talloc_tos();
466 START_PROFILE(SMBntcreateX
);
469 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
473 flags
= IVAL(req
->vwv
+3, 1);
474 access_mask
= IVAL(req
->vwv
+7, 1);
475 file_attributes
= IVAL(req
->vwv
+13, 1);
476 share_access
= IVAL(req
->vwv
+15, 1);
477 create_disposition
= IVAL(req
->vwv
+17, 1);
478 create_options
= IVAL(req
->vwv
+19, 1);
479 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
481 allocation_size
= BVAL(req
->vwv
+9, 1);
483 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
484 STR_TERMINATE
, &status
);
486 if (!NT_STATUS_IS_OK(status
)) {
487 reply_nterror(req
, status
);
491 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
492 "file_attributes = 0x%x, share_access = 0x%x, "
493 "create_disposition = 0x%x create_options = 0x%x "
494 "root_dir_fid = 0x%x, fname = %s\n",
496 (unsigned int)access_mask
,
497 (unsigned int)file_attributes
,
498 (unsigned int)share_access
,
499 (unsigned int)create_disposition
,
500 (unsigned int)create_options
,
501 (unsigned int)root_dir_fid
,
505 * we need to remove ignored bits when they come directly from the client
506 * because we reuse some of them for internal stuff
508 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
511 * If it's an IPC, use the pipe handler.
515 if (lp_nt_pipe_support()) {
516 do_ntcreate_pipe_open(conn
, req
);
519 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
523 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
524 if (oplock_request
) {
525 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
529 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
530 case_state
= set_posix_case_semantics(ctx
, conn
);
532 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
537 status
= filename_convert(ctx
,
539 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
545 TALLOC_FREE(case_state
);
547 if (!NT_STATUS_IS_OK(status
)) {
548 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
550 NT_STATUS_PATH_NOT_COVERED
,
554 reply_nterror(req
, status
);
559 * Bug #6898 - clients using Windows opens should
560 * never be able to set this attribute into the
563 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
565 status
= SMB_VFS_CREATE_FILE(
568 root_dir_fid
, /* root_dir_fid */
569 smb_fname
, /* fname */
570 access_mask
, /* access_mask */
571 share_access
, /* share_access */
572 create_disposition
, /* create_disposition*/
573 create_options
, /* create_options */
574 file_attributes
, /* file_attributes */
575 oplock_request
, /* oplock_request */
576 allocation_size
, /* allocation_size */
577 0, /* private_flags */
583 if (!NT_STATUS_IS_OK(status
)) {
584 if (open_was_deferred(req
->sconn
, req
->mid
)) {
585 /* We have re-scheduled this call, no error. */
588 reply_openerror(req
, status
);
592 /* Ensure we're pointing at the correct stat struct. */
593 TALLOC_FREE(smb_fname
);
594 smb_fname
= fsp
->fsp_name
;
597 * If the caller set the extended oplock request bit
598 * and we granted one (by whatever means) - set the
599 * correct bit for extended oplock reply.
602 if (oplock_request
&&
603 (lp_fake_oplocks(SNUM(conn
))
604 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
607 * Exclusive oplock granted
610 if (flags
& REQUEST_BATCH_OPLOCK
) {
611 oplock_granted
= BATCH_OPLOCK_RETURN
;
613 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
615 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
616 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
618 oplock_granted
= NO_OPLOCK_RETURN
;
621 file_len
= smb_fname
->st
.st_ex_size
;
623 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
624 /* This is very strange. We
625 * return 50 words, but only set
626 * the wcnt to 42 ? It's definitely
627 * what happens on the wire....
629 reply_outbuf(req
, 50, 0);
630 SCVAL(req
->outbuf
,smb_wct
,42);
632 reply_outbuf(req
, 34, 0);
635 SSVAL(req
->outbuf
, smb_vwv0
, 0xff); /* andx chain ends */
636 SSVAL(req
->outbuf
, smb_vwv1
, 0); /* no andx offset */
638 p
= (char *)req
->outbuf
+ smb_vwv2
;
640 SCVAL(p
, 0, oplock_granted
);
643 SSVAL(p
,0,fsp
->fnum
);
645 if ((create_disposition
== FILE_SUPERSEDE
)
646 && (info
== FILE_WAS_OVERWRITTEN
)) {
647 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
653 fattr
= dos_mode(conn
, smb_fname
);
655 fattr
= FILE_ATTRIBUTE_NORMAL
;
658 /* Deal with other possible opens having a modified
660 ZERO_STRUCT(write_time_ts
);
661 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
662 if (!null_timespec(write_time_ts
)) {
663 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
667 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
668 a_timespec
= smb_fname
->st
.st_ex_atime
;
669 m_timespec
= smb_fname
->st
.st_ex_mtime
;
670 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
672 if (lp_dos_filetime_resolution(SNUM(conn
))) {
673 dos_filetime_timespec(&create_timespec
);
674 dos_filetime_timespec(&a_timespec
);
675 dos_filetime_timespec(&m_timespec
);
676 dos_filetime_timespec(&c_timespec
);
679 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
681 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
683 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
685 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
687 SIVAL(p
,0,fattr
); /* File Attributes. */
689 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
,fsp
,&smb_fname
->st
));
691 SOFF_T(p
,0,file_len
);
693 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
694 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
695 size_t num_names
= 0;
696 unsigned int num_streams
= 0;
697 struct stream_struct
*streams
= NULL
;
699 /* Do we have any EA's ? */
700 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
701 smb_fname
->base_name
, NULL
, &num_names
);
702 if (NT_STATUS_IS_OK(status
) && num_names
) {
703 file_status
&= ~NO_EAS
;
705 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
706 &num_streams
, &streams
);
707 /* There is always one stream, ::$DATA. */
708 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
709 file_status
&= ~NO_SUBSTREAMS
;
711 TALLOC_FREE(streams
);
712 SSVAL(p
,2,file_status
);
715 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
717 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
720 if (fsp
->is_directory
||
722 can_write_to_file(conn
, smb_fname
)) {
723 perms
= FILE_GENERIC_ALL
;
725 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
730 DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
731 fsp_fnum_dbg(fsp
), 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
;
750 uint16_t pnum
= FNUM_FIELD_INVALID
;
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 Windows seems to do canonicalization of inheritance bits. Do the
837 *********************************************************************/
839 static void canonicalize_inheritance_bits(struct security_descriptor
*psd
)
841 bool set_auto_inherited
= false;
844 * We need to filter out the
845 * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
846 * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
847 * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
848 * when an ACE is inherited. Otherwise we zero these bits out.
851 * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
856 if ((psd
->type
& (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
))
857 == (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
)) {
858 set_auto_inherited
= true;
861 psd
->type
&= ~(SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
);
862 if (set_auto_inherited
) {
863 psd
->type
|= SEC_DESC_DACL_AUTO_INHERITED
;
867 /****************************************************************************
868 Internal fn to set security descriptors.
869 ****************************************************************************/
871 NTSTATUS
set_sd(files_struct
*fsp
, struct security_descriptor
*psd
,
872 uint32_t security_info_sent
)
876 if (!CAN_WRITE(fsp
->conn
)) {
877 return NT_STATUS_ACCESS_DENIED
;
880 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
884 if (psd
->owner_sid
== NULL
) {
885 security_info_sent
&= ~SECINFO_OWNER
;
887 if (psd
->group_sid
== NULL
) {
888 security_info_sent
&= ~SECINFO_GROUP
;
891 /* Ensure we have at least one thing set. */
892 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
897 /* Ensure we have the rights to do this. */
898 if (security_info_sent
& SECINFO_OWNER
) {
899 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
900 return NT_STATUS_ACCESS_DENIED
;
904 if (security_info_sent
& SECINFO_GROUP
) {
905 if (!(fsp
->access_mask
& SEC_STD_WRITE_OWNER
)) {
906 return NT_STATUS_ACCESS_DENIED
;
910 if (security_info_sent
& SECINFO_DACL
) {
911 if (!(fsp
->access_mask
& SEC_STD_WRITE_DAC
)) {
912 return NT_STATUS_ACCESS_DENIED
;
914 /* Convert all the generic bits. */
916 security_acl_map_generic(psd
->dacl
, &file_generic_mapping
);
920 if (security_info_sent
& SECINFO_SACL
) {
921 if (!(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
922 return NT_STATUS_ACCESS_DENIED
;
924 /* Convert all the generic bits. */
926 security_acl_map_generic(psd
->sacl
, &file_generic_mapping
);
930 canonicalize_inheritance_bits(psd
);
932 if (DEBUGLEVEL
>= 10) {
933 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp
)));
934 NDR_PRINT_DEBUG(security_descriptor
, psd
);
937 status
= SMB_VFS_FSET_NT_ACL(fsp
, security_info_sent
, psd
);
944 /****************************************************************************
945 Internal fn to set security descriptors from a data blob.
946 ****************************************************************************/
948 NTSTATUS
set_sd_blob(files_struct
*fsp
, uint8_t *data
, uint32_t sd_len
,
949 uint32_t security_info_sent
)
951 struct security_descriptor
*psd
= NULL
;
955 return NT_STATUS_INVALID_PARAMETER
;
958 status
= unmarshall_sec_desc(talloc_tos(), data
, sd_len
, &psd
);
960 if (!NT_STATUS_IS_OK(status
)) {
964 return set_sd(fsp
, psd
, security_info_sent
);
967 /****************************************************************************
968 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
969 ****************************************************************************/
971 struct ea_list
*read_nttrans_ea_list(TALLOC_CTX
*ctx
, const char *pdata
, size_t data_size
)
973 struct ea_list
*ea_list_head
= NULL
;
980 while (offset
+ 4 <= data_size
) {
981 size_t next_offset
= IVAL(pdata
,offset
);
982 struct ea_list
*eal
= read_ea_list_entry(ctx
, pdata
+ offset
+ 4, data_size
- offset
- 4, NULL
);
988 DLIST_ADD_END(ea_list_head
, eal
, struct ea_list
*);
989 if (next_offset
== 0) {
993 /* Integer wrap protection for the increment. */
994 if (offset
+ next_offset
< offset
) {
998 offset
+= next_offset
;
1000 /* Integer wrap protection for while loop. */
1001 if (offset
+ 4 < offset
) {
1007 return ea_list_head
;
1010 /****************************************************************************
1011 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1012 ****************************************************************************/
1014 static void call_nt_transact_create(connection_struct
*conn
,
1015 struct smb_request
*req
,
1016 uint16
**ppsetup
, uint32 setup_count
,
1017 char **ppparams
, uint32 parameter_count
,
1018 char **ppdata
, uint32 data_count
,
1019 uint32 max_data_count
)
1021 struct smb_filename
*smb_fname
= NULL
;
1023 char *params
= *ppparams
;
1024 char *data
= *ppdata
;
1025 /* Breakout the oplock request bits so we can set the reply bits separately. */
1029 files_struct
*fsp
= NULL
;
1033 uint32 file_attributes
;
1034 uint32 share_access
;
1035 uint32 create_disposition
;
1036 uint32 create_options
;
1038 struct security_descriptor
*sd
= NULL
;
1040 uint16 root_dir_fid
;
1041 struct timespec create_timespec
;
1042 struct timespec c_timespec
;
1043 struct timespec a_timespec
;
1044 struct timespec m_timespec
;
1045 struct timespec write_time_ts
;
1046 struct ea_list
*ea_list
= NULL
;
1049 uint64_t allocation_size
;
1051 uint8_t oplock_granted
;
1052 struct case_semantics_state
*case_state
= NULL
;
1053 TALLOC_CTX
*ctx
= talloc_tos();
1055 DEBUG(5,("call_nt_transact_create\n"));
1058 * If it's an IPC, use the pipe handler.
1062 if (lp_nt_pipe_support()) {
1063 do_nt_transact_create_pipe(
1065 ppsetup
, setup_count
,
1066 ppparams
, parameter_count
,
1067 ppdata
, data_count
);
1070 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1075 * Ensure minimum number of parameters sent.
1078 if(parameter_count
< 54) {
1079 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1080 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1084 flags
= IVAL(params
,0);
1085 access_mask
= IVAL(params
,8);
1086 file_attributes
= IVAL(params
,20);
1087 share_access
= IVAL(params
,24);
1088 create_disposition
= IVAL(params
,28);
1089 create_options
= IVAL(params
,32);
1090 sd_len
= IVAL(params
,36);
1091 ea_len
= IVAL(params
,40);
1092 root_dir_fid
= (uint16
)IVAL(params
,4);
1093 allocation_size
= BVAL(params
,12);
1096 * we need to remove ignored bits when they come directly from the client
1097 * because we reuse some of them for internal stuff
1099 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1101 /* Ensure the data_len is correct for the sd and ea values given. */
1102 if ((ea_len
+ sd_len
> data_count
)
1103 || (ea_len
> data_count
) || (sd_len
> data_count
)
1104 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1105 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1106 "%u, data_count = %u\n", (unsigned int)ea_len
,
1107 (unsigned int)sd_len
, (unsigned int)data_count
));
1108 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1113 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1116 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1118 if (!NT_STATUS_IS_OK(status
)) {
1119 DEBUG(10, ("call_nt_transact_create: "
1120 "unmarshall_sec_desc failed: %s\n",
1121 nt_errstr(status
)));
1122 reply_nterror(req
, status
);
1128 if (!lp_ea_support(SNUM(conn
))) {
1129 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1130 "EA's not supported.\n",
1131 (unsigned int)ea_len
));
1132 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1137 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1138 "too small (should be more than 10)\n",
1139 (unsigned int)ea_len
));
1140 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1144 /* We have already checked that ea_len <= data_count here. */
1145 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1147 if (ea_list
== NULL
) {
1148 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1153 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1154 params
+53, parameter_count
-53,
1155 STR_TERMINATE
, &status
);
1156 if (!NT_STATUS_IS_OK(status
)) {
1157 reply_nterror(req
, status
);
1161 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1162 case_state
= set_posix_case_semantics(ctx
, conn
);
1164 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1169 status
= filename_convert(ctx
,
1171 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1177 TALLOC_FREE(case_state
);
1179 if (!NT_STATUS_IS_OK(status
)) {
1180 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1181 reply_botherror(req
,
1182 NT_STATUS_PATH_NOT_COVERED
,
1183 ERRSRV
, ERRbadpath
);
1186 reply_nterror(req
, status
);
1190 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1191 if (oplock_request
) {
1192 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1197 * Bug #6898 - clients using Windows opens should
1198 * never be able to set this attribute into the
1201 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1203 status
= SMB_VFS_CREATE_FILE(
1206 root_dir_fid
, /* root_dir_fid */
1207 smb_fname
, /* fname */
1208 access_mask
, /* access_mask */
1209 share_access
, /* share_access */
1210 create_disposition
, /* create_disposition*/
1211 create_options
, /* create_options */
1212 file_attributes
, /* file_attributes */
1213 oplock_request
, /* oplock_request */
1214 allocation_size
, /* allocation_size */
1215 0, /* private_flags */
1217 ea_list
, /* ea_list */
1221 if(!NT_STATUS_IS_OK(status
)) {
1222 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1223 /* We have re-scheduled this call, no error. */
1226 reply_openerror(req
, status
);
1230 /* Ensure we're pointing at the correct stat struct. */
1231 TALLOC_FREE(smb_fname
);
1232 smb_fname
= fsp
->fsp_name
;
1235 * If the caller set the extended oplock request bit
1236 * and we granted one (by whatever means) - set the
1237 * correct bit for extended oplock reply.
1240 if (oplock_request
&&
1241 (lp_fake_oplocks(SNUM(conn
))
1242 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1245 * Exclusive oplock granted
1248 if (flags
& REQUEST_BATCH_OPLOCK
) {
1249 oplock_granted
= BATCH_OPLOCK_RETURN
;
1251 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1253 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1254 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1256 oplock_granted
= NO_OPLOCK_RETURN
;
1259 file_len
= smb_fname
->st
.st_ex_size
;
1261 /* Realloc the size of parameters and data we will return */
1262 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1263 /* Extended response is 32 more byyes. */
1268 params
= nttrans_realloc(ppparams
, param_len
);
1269 if(params
== NULL
) {
1270 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1275 SCVAL(p
, 0, oplock_granted
);
1278 SSVAL(p
,0,fsp
->fnum
);
1280 if ((create_disposition
== FILE_SUPERSEDE
)
1281 && (info
== FILE_WAS_OVERWRITTEN
)) {
1282 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1288 fattr
= dos_mode(conn
, smb_fname
);
1290 fattr
= FILE_ATTRIBUTE_NORMAL
;
1293 /* Deal with other possible opens having a modified
1295 ZERO_STRUCT(write_time_ts
);
1296 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
1297 if (!null_timespec(write_time_ts
)) {
1298 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1302 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1303 a_timespec
= smb_fname
->st
.st_ex_atime
;
1304 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1305 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1307 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1308 dos_filetime_timespec(&create_timespec
);
1309 dos_filetime_timespec(&a_timespec
);
1310 dos_filetime_timespec(&m_timespec
);
1311 dos_filetime_timespec(&c_timespec
);
1314 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1316 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1318 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1320 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1322 SIVAL(p
,0,fattr
); /* File Attributes. */
1324 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1326 SOFF_T(p
,0,file_len
);
1328 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1329 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
1330 size_t num_names
= 0;
1331 unsigned int num_streams
= 0;
1332 struct stream_struct
*streams
= NULL
;
1334 /* Do we have any EA's ? */
1335 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
1336 smb_fname
->base_name
, NULL
, &num_names
);
1337 if (NT_STATUS_IS_OK(status
) && num_names
) {
1338 file_status
&= ~NO_EAS
;
1340 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
1341 &num_streams
, &streams
);
1342 /* There is always one stream, ::$DATA. */
1343 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
1344 file_status
&= ~NO_SUBSTREAMS
;
1346 TALLOC_FREE(streams
);
1347 SSVAL(p
,2,file_status
);
1350 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1352 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1355 if (fsp
->is_directory
||
1357 can_write_to_file(conn
, smb_fname
)) {
1358 perms
= FILE_GENERIC_ALL
;
1360 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1365 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1366 smb_fname_str_dbg(smb_fname
)));
1368 /* Send the required number of replies */
1369 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1374 /****************************************************************************
1375 Reply to a NT CANCEL request.
1376 conn POINTER CAN BE NULL HERE !
1377 ****************************************************************************/
1379 void reply_ntcancel(struct smb_request
*req
)
1382 * Go through and cancel any pending change notifies.
1385 START_PROFILE(SMBntcancel
);
1386 srv_cancel_sign_response(req
->sconn
);
1387 remove_pending_change_notify_requests_by_mid(req
->sconn
, req
->mid
);
1388 remove_pending_lock_requests_by_mid_smb1(req
->sconn
, req
->mid
);
1390 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1391 (unsigned long long)req
->mid
));
1393 END_PROFILE(SMBntcancel
);
1397 /****************************************************************************
1399 ****************************************************************************/
1401 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1402 connection_struct
*conn
,
1403 struct smb_request
*req
,
1404 struct smb_filename
*smb_fname_src
,
1405 struct smb_filename
*smb_fname_dst
,
1408 files_struct
*fsp1
,*fsp2
;
1412 NTSTATUS status
= NT_STATUS_OK
;
1415 if (!CAN_WRITE(conn
)) {
1416 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1420 /* Source must already exist. */
1421 if (!VALID_STAT(smb_fname_src
->st
)) {
1422 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1426 /* Ensure attributes match. */
1427 fattr
= dos_mode(conn
, smb_fname_src
);
1428 if ((fattr
& ~attrs
) & (FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
)) {
1429 status
= NT_STATUS_NO_SUCH_FILE
;
1433 /* Disallow if dst file already exists. */
1434 if (VALID_STAT(smb_fname_dst
->st
)) {
1435 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1439 /* No links from a directory. */
1440 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1441 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1445 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1446 smb_fname_str_dbg(smb_fname_src
),
1447 smb_fname_str_dbg(smb_fname_dst
)));
1449 status
= SMB_VFS_CREATE_FILE(
1452 0, /* root_dir_fid */
1453 smb_fname_src
, /* fname */
1454 FILE_READ_DATA
|FILE_READ_ATTRIBUTES
|
1455 FILE_READ_EA
, /* access_mask */
1456 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1458 FILE_OPEN
, /* create_disposition*/
1459 0, /* create_options */
1460 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1461 NO_OPLOCK
, /* oplock_request */
1462 0, /* allocation_size */
1463 0, /* private_flags */
1469 if (!NT_STATUS_IS_OK(status
)) {
1473 status
= SMB_VFS_CREATE_FILE(
1476 0, /* root_dir_fid */
1477 smb_fname_dst
, /* fname */
1478 FILE_WRITE_DATA
|FILE_WRITE_ATTRIBUTES
|
1479 FILE_WRITE_EA
, /* access_mask */
1480 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1482 FILE_CREATE
, /* create_disposition*/
1483 0, /* create_options */
1484 fattr
, /* file_attributes */
1485 NO_OPLOCK
, /* oplock_request */
1486 0, /* allocation_size */
1487 0, /* private_flags */
1493 if (!NT_STATUS_IS_OK(status
)) {
1494 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1498 if (smb_fname_src
->st
.st_ex_size
) {
1499 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1503 * As we are opening fsp1 read-only we only expect
1504 * an error on close on fsp2 if we are out of space.
1505 * Thus we don't look at the error return from the
1508 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1510 /* Ensure the modtime is set correctly on the destination file. */
1511 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1513 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1515 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1516 creates the file. This isn't the correct thing to do in the copy
1518 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1520 status
= NT_STATUS_NO_MEMORY
;
1523 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1524 TALLOC_FREE(parent
);
1526 if (ret
< (off_t
)smb_fname_src
->st
.st_ex_size
) {
1527 status
= NT_STATUS_DISK_FULL
;
1531 if (!NT_STATUS_IS_OK(status
)) {
1532 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1533 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1534 smb_fname_str_dbg(smb_fname_dst
)));
1540 /****************************************************************************
1541 Reply to a NT rename request.
1542 ****************************************************************************/
1544 void reply_ntrename(struct smb_request
*req
)
1546 connection_struct
*conn
= req
->conn
;
1547 struct smb_filename
*smb_fname_old
= NULL
;
1548 struct smb_filename
*smb_fname_new
= NULL
;
1549 char *oldname
= NULL
;
1550 char *newname
= NULL
;
1553 bool src_has_wcard
= False
;
1554 bool dest_has_wcard
= False
;
1556 uint32_t ucf_flags_src
= 0;
1557 uint32_t ucf_flags_dst
= 0;
1559 TALLOC_CTX
*ctx
= talloc_tos();
1560 bool stream_rename
= false;
1562 START_PROFILE(SMBntrename
);
1565 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1569 attrs
= SVAL(req
->vwv
+0, 0);
1570 rename_type
= SVAL(req
->vwv
+1, 0);
1572 p
= (const char *)req
->buf
+ 1;
1573 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1574 &status
, &src_has_wcard
);
1575 if (!NT_STATUS_IS_OK(status
)) {
1576 reply_nterror(req
, status
);
1580 if (ms_has_wild(oldname
)) {
1581 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1586 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1587 &status
, &dest_has_wcard
);
1588 if (!NT_STATUS_IS_OK(status
)) {
1589 reply_nterror(req
, status
);
1593 if (!lp_posix_pathnames()) {
1594 /* The newname must begin with a ':' if the
1595 oldname contains a ':'. */
1596 if (strchr_m(oldname
, ':')) {
1597 if (newname
[0] != ':') {
1598 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1601 stream_rename
= true;
1606 * If this is a rename operation, allow wildcards and save the
1607 * destination's last component.
1609 if (rename_type
== RENAME_FLAG_RENAME
) {
1610 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1611 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1614 /* rename_internals() calls unix_convert(), so don't call it here. */
1615 status
= filename_convert(ctx
, conn
,
1616 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1621 if (!NT_STATUS_IS_OK(status
)) {
1622 if (NT_STATUS_EQUAL(status
,
1623 NT_STATUS_PATH_NOT_COVERED
)) {
1624 reply_botherror(req
,
1625 NT_STATUS_PATH_NOT_COVERED
,
1626 ERRSRV
, ERRbadpath
);
1629 reply_nterror(req
, status
);
1633 status
= filename_convert(ctx
, conn
,
1634 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1639 if (!NT_STATUS_IS_OK(status
)) {
1640 if (NT_STATUS_EQUAL(status
,
1641 NT_STATUS_PATH_NOT_COVERED
)) {
1642 reply_botherror(req
,
1643 NT_STATUS_PATH_NOT_COVERED
,
1644 ERRSRV
, ERRbadpath
);
1647 reply_nterror(req
, status
);
1651 if (stream_rename
) {
1652 /* smb_fname_new must be the same as smb_fname_old. */
1653 TALLOC_FREE(smb_fname_new
->base_name
);
1654 smb_fname_new
->base_name
= talloc_strdup(smb_fname_new
,
1655 smb_fname_old
->base_name
);
1656 if (!smb_fname_new
->base_name
) {
1657 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1662 DEBUG(3,("reply_ntrename: %s -> %s\n",
1663 smb_fname_str_dbg(smb_fname_old
),
1664 smb_fname_str_dbg(smb_fname_new
)));
1666 switch(rename_type
) {
1667 case RENAME_FLAG_RENAME
:
1668 status
= rename_internals(ctx
, conn
, req
,
1669 smb_fname_old
, smb_fname_new
,
1670 attrs
, False
, src_has_wcard
,
1674 case RENAME_FLAG_HARD_LINK
:
1675 if (src_has_wcard
|| dest_has_wcard
) {
1677 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1679 status
= hardlink_internals(ctx
, conn
,
1686 case RENAME_FLAG_COPY
:
1687 if (src_has_wcard
|| dest_has_wcard
) {
1689 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1691 status
= copy_internals(ctx
, conn
, req
,
1697 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1698 status
= NT_STATUS_INVALID_PARAMETER
;
1701 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1705 if (!NT_STATUS_IS_OK(status
)) {
1706 if (open_was_deferred(req
->sconn
, req
->mid
)) {
1707 /* We have re-scheduled this call. */
1711 reply_nterror(req
, status
);
1715 reply_outbuf(req
, 0, 0);
1717 END_PROFILE(SMBntrename
);
1721 /****************************************************************************
1722 Reply to a notify change - queue the request and
1723 don't allow a directory to be opened.
1724 ****************************************************************************/
1726 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1727 NTSTATUS error_code
,
1728 uint8_t *buf
, size_t len
)
1730 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1733 static void call_nt_transact_notify_change(connection_struct
*conn
,
1734 struct smb_request
*req
,
1738 uint32 parameter_count
,
1739 char **ppdata
, uint32 data_count
,
1740 uint32 max_data_count
,
1741 uint32 max_param_count
)
1743 uint16
*setup
= *ppsetup
;
1749 if(setup_count
< 6) {
1750 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1754 fsp
= file_fsp(req
, SVAL(setup
,4));
1755 filter
= IVAL(setup
, 0);
1756 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1758 DEBUG(3,("call_nt_transact_notify_change\n"));
1761 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1766 char *filter_string
;
1768 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1769 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1773 DEBUG(3,("call_nt_transact_notify_change: notify change "
1774 "called on %s, filter = %s, recursive = %d\n",
1775 fsp_str_dbg(fsp
), filter_string
, recursive
));
1777 TALLOC_FREE(filter_string
);
1780 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1781 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1785 if (fsp
->notify
== NULL
) {
1787 status
= change_notify_create(fsp
, filter
, recursive
);
1789 if (!NT_STATUS_IS_OK(status
)) {
1790 DEBUG(10, ("change_notify_create returned %s\n",
1791 nt_errstr(status
)));
1792 reply_nterror(req
, status
);
1797 if (change_notify_fsp_has_changes(fsp
)) {
1800 * We've got changes pending, respond immediately
1804 * TODO: write a torture test to check the filtering behaviour
1808 change_notify_reply(req
,
1812 smbd_smb1_notify_reply
);
1815 * change_notify_reply() above has independently sent its
1822 * No changes pending, queue the request
1825 status
= change_notify_add_request(req
,
1829 smbd_smb1_notify_reply
);
1830 if (!NT_STATUS_IS_OK(status
)) {
1831 reply_nterror(req
, status
);
1836 /****************************************************************************
1837 Reply to an NT transact rename command.
1838 ****************************************************************************/
1840 static void call_nt_transact_rename(connection_struct
*conn
,
1841 struct smb_request
*req
,
1842 uint16
**ppsetup
, uint32 setup_count
,
1843 char **ppparams
, uint32 parameter_count
,
1844 char **ppdata
, uint32 data_count
,
1845 uint32 max_data_count
)
1847 char *params
= *ppparams
;
1848 char *new_name
= NULL
;
1849 files_struct
*fsp
= NULL
;
1850 bool dest_has_wcard
= False
;
1852 TALLOC_CTX
*ctx
= talloc_tos();
1854 if(parameter_count
< 5) {
1855 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1859 fsp
= file_fsp(req
, SVAL(params
, 0));
1860 if (!check_fsp(conn
, req
, fsp
)) {
1863 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1864 parameter_count
- 4,
1865 STR_TERMINATE
, &status
, &dest_has_wcard
);
1866 if (!NT_STATUS_IS_OK(status
)) {
1867 reply_nterror(req
, status
);
1872 * W2K3 ignores this request as the RAW-RENAME test
1873 * demonstrates, so we do.
1875 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1877 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1878 fsp_str_dbg(fsp
), new_name
));
1883 /******************************************************************************
1884 Fake up a completely empty SD.
1885 *******************************************************************************/
1887 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppsd
)
1891 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1893 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1894 return NT_STATUS_NO_MEMORY
;
1897 return NT_STATUS_OK
;
1900 /****************************************************************************
1901 Reply to query a security descriptor.
1902 Callable from SMB2 and SMB2.
1903 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1905 ****************************************************************************/
1907 NTSTATUS
smbd_do_query_security_desc(connection_struct
*conn
,
1908 TALLOC_CTX
*mem_ctx
,
1910 uint32_t security_info_wanted
,
1911 uint32_t max_data_count
,
1912 uint8_t **ppmarshalled_sd
,
1916 struct security_descriptor
*psd
= NULL
;
1917 TALLOC_CTX
*frame
= talloc_stackframe();
1920 * Get the permissions to return.
1923 if ((security_info_wanted
& SECINFO_SACL
) &&
1924 !(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
1925 DEBUG(10, ("Access to SACL denied.\n"));
1927 return NT_STATUS_ACCESS_DENIED
;
1930 if ((security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|SECINFO_GROUP
)) &&
1931 !(fsp
->access_mask
& SEC_STD_READ_CONTROL
)) {
1932 DEBUG(10, ("Access to DACL, OWNER, or GROUP denied.\n"));
1934 return NT_STATUS_ACCESS_DENIED
;
1937 if (security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|
1938 SECINFO_GROUP
|SECINFO_SACL
)) {
1939 /* Don't return SECINFO_LABEL if anything else was
1940 requested. See bug #8458. */
1941 security_info_wanted
&= ~SECINFO_LABEL
;
1944 if (!lp_nt_acl_support(SNUM(conn
))) {
1945 status
= get_null_nt_acl(frame
, &psd
);
1946 } else if (security_info_wanted
& SECINFO_LABEL
) {
1947 /* Like W2K3 return a null object. */
1948 status
= get_null_nt_acl(frame
, &psd
);
1950 status
= SMB_VFS_FGET_NT_ACL(
1951 fsp
, security_info_wanted
, frame
, &psd
);
1953 if (!NT_STATUS_IS_OK(status
)) {
1958 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1959 psd
->owner_sid
= NULL
;
1961 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1962 psd
->group_sid
= NULL
;
1964 if (!(security_info_wanted
& SECINFO_DACL
)) {
1965 psd
->type
&= ~SEC_DESC_DACL_PRESENT
;
1968 if (!(security_info_wanted
& SECINFO_SACL
)) {
1969 psd
->type
&= ~SEC_DESC_SACL_PRESENT
;
1973 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1974 * present in the reply to match Windows behavior */
1975 if (psd
->sacl
== NULL
&&
1976 security_info_wanted
& SECINFO_SACL
)
1977 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1978 if (psd
->dacl
== NULL
&&
1979 security_info_wanted
& SECINFO_DACL
)
1980 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1982 if (security_info_wanted
& SECINFO_LABEL
) {
1983 /* Like W2K3 return a null object. */
1984 psd
->owner_sid
= NULL
;
1985 psd
->group_sid
= NULL
;
1988 psd
->type
&= ~(SEC_DESC_DACL_PRESENT
|SEC_DESC_SACL_PRESENT
);
1991 *psd_size
= ndr_size_security_descriptor(psd
, 0);
1993 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1994 (unsigned long)*psd_size
));
1996 if (DEBUGLEVEL
>= 10) {
1997 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1999 NDR_PRINT_DEBUG(security_descriptor
, psd
);
2002 if (max_data_count
< *psd_size
) {
2004 return NT_STATUS_BUFFER_TOO_SMALL
;
2007 status
= marshall_sec_desc(mem_ctx
, psd
,
2008 ppmarshalled_sd
, psd_size
);
2010 if (!NT_STATUS_IS_OK(status
)) {
2016 return NT_STATUS_OK
;
2019 /****************************************************************************
2020 SMB1 reply to query a security descriptor.
2021 ****************************************************************************/
2023 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
2024 struct smb_request
*req
,
2028 uint32 parameter_count
,
2031 uint32 max_data_count
)
2033 char *params
= *ppparams
;
2034 char *data
= *ppdata
;
2036 uint32 security_info_wanted
;
2037 files_struct
*fsp
= NULL
;
2039 uint8_t *marshalled_sd
= NULL
;
2041 if(parameter_count
< 8) {
2042 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2046 fsp
= file_fsp(req
, SVAL(params
,0));
2048 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2052 security_info_wanted
= IVAL(params
,4);
2054 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2055 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
2056 (unsigned int)security_info_wanted
));
2058 params
= nttrans_realloc(ppparams
, 4);
2059 if(params
== NULL
) {
2060 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2065 * Get the permissions to return.
2068 status
= smbd_do_query_security_desc(conn
,
2071 security_info_wanted
,
2076 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
2077 SIVAL(params
,0,(uint32_t)sd_size
);
2078 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2079 params
, 4, NULL
, 0);
2083 if (!NT_STATUS_IS_OK(status
)) {
2084 reply_nterror(req
, status
);
2088 SMB_ASSERT(sd_size
> 0);
2090 SIVAL(params
,0,(uint32_t)sd_size
);
2092 if (max_data_count
< sd_size
) {
2093 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2094 params
, 4, NULL
, 0);
2099 * Allocate the data we will return.
2102 data
= nttrans_realloc(ppdata
, sd_size
);
2104 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2108 memcpy(data
, marshalled_sd
, sd_size
);
2110 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
2115 /****************************************************************************
2116 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2117 ****************************************************************************/
2119 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
2120 struct smb_request
*req
,
2124 uint32 parameter_count
,
2127 uint32 max_data_count
)
2129 char *params
= *ppparams
;
2130 char *data
= *ppdata
;
2131 files_struct
*fsp
= NULL
;
2132 uint32 security_info_sent
= 0;
2135 if(parameter_count
< 8) {
2136 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2140 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
2141 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2145 if (!CAN_WRITE(fsp
->conn
)) {
2146 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2150 if(!lp_nt_acl_support(SNUM(conn
))) {
2154 security_info_sent
= IVAL(params
,4);
2156 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2157 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
2159 if (data_count
== 0) {
2160 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2164 status
= set_sd_blob(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
2166 if (!NT_STATUS_IS_OK(status
)) {
2167 reply_nterror(req
, status
);
2172 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2176 /****************************************************************************
2178 ****************************************************************************/
2180 static void call_nt_transact_ioctl(connection_struct
*conn
,
2181 struct smb_request
*req
,
2182 uint16
**ppsetup
, uint32 setup_count
,
2183 char **ppparams
, uint32 parameter_count
,
2184 char **ppdata
, uint32 data_count
,
2185 uint32 max_data_count
)
2193 char *out_data
= NULL
;
2194 uint32 out_data_len
= 0;
2195 char *pdata
= *ppdata
;
2196 TALLOC_CTX
*ctx
= talloc_tos();
2198 if (setup_count
!= 8) {
2199 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
2200 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2204 function
= IVAL(*ppsetup
, 0);
2205 fidnum
= SVAL(*ppsetup
, 4);
2206 isFSctl
= CVAL(*ppsetup
, 6);
2207 compfilter
= CVAL(*ppsetup
, 7);
2209 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2210 function
, fidnum
, isFSctl
, compfilter
));
2212 fsp
=file_fsp(req
, fidnum
);
2215 * We don't really implement IOCTLs, especially on files.
2218 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2220 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2224 /* Has to be for an open file! */
2225 if (!check_fsp_open(conn
, req
, fsp
)) {
2229 SMB_PERFCOUNT_SET_IOCTL(&req
->pcd
, function
);
2232 * out_data might be allocated by the VFS module, but talloc should be
2233 * used, and should be cleaned up when the request ends.
2235 status
= SMB_VFS_FSCTL(fsp
,
2241 (uint8_t **)&out_data
,
2244 if (!NT_STATUS_IS_OK(status
)) {
2245 reply_nterror(req
, status
);
2247 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, out_data
, out_data_len
);
2252 #ifdef HAVE_SYS_QUOTAS
2253 /****************************************************************************
2254 Reply to get user quota
2255 ****************************************************************************/
2257 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2258 struct smb_request
*req
,
2262 uint32 parameter_count
,
2265 uint32 max_data_count
)
2267 NTSTATUS nt_status
= NT_STATUS_OK
;
2268 char *params
= *ppparams
;
2269 char *pdata
= *ppdata
;
2271 int data_len
=0,param_len
=0;
2274 files_struct
*fsp
= NULL
;
2278 bool start_enum
= True
;
2279 SMB_NTQUOTA_STRUCT qt
;
2280 SMB_NTQUOTA_LIST
*tmp_list
;
2281 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2286 if (get_current_uid(conn
) != 0) {
2287 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2288 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn
)),
2289 conn
->session_info
->unix_info
->unix_name
));
2290 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2295 * Ensure minimum number of parameters sent.
2298 if (parameter_count
< 4) {
2299 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2300 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2304 /* maybe we can check the quota_fnum */
2305 fsp
= file_fsp(req
, SVAL(params
,0));
2306 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2307 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2308 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2312 /* the NULL pointer checking for fsp->fake_file_handle->pd
2313 * is done by CHECK_NTQUOTA_HANDLE_OK()
2315 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2317 level
= SVAL(params
,2);
2319 /* unknown 12 bytes leading in params */
2322 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2323 /* seems that we should continue with the enum here --metze */
2325 if (qt_handle
->quota_list
!=NULL
&&
2326 qt_handle
->tmp_list
==NULL
) {
2329 free_ntquota_list(&(qt_handle
->quota_list
));
2331 /* Realloc the size of parameters and data we will return */
2333 params
= nttrans_realloc(ppparams
, param_len
);
2334 if(params
== NULL
) {
2335 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2340 SIVAL(params
,0,data_len
);
2347 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2349 if (qt_handle
->quota_list
==NULL
&&
2350 qt_handle
->tmp_list
==NULL
) {
2354 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2355 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2359 /* Realloc the size of parameters and data we will return */
2361 params
= nttrans_realloc(ppparams
, param_len
);
2362 if(params
== NULL
) {
2363 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2367 /* we should not trust the value in max_data_count*/
2368 max_data_count
= MIN(max_data_count
,2048);
2370 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2372 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2378 /* set params Size of returned Quota Data 4 bytes*/
2379 /* but set it later when we know it */
2381 /* for each entry push the data */
2384 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2387 tmp_list
= qt_handle
->tmp_list
;
2389 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2390 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2392 sid_len
= ndr_size_dom_sid(
2393 &tmp_list
->quotas
->sid
, 0);
2394 entry_len
= 40 + sid_len
;
2396 /* nextoffset entry 4 bytes */
2397 SIVAL(entry
,0,entry_len
);
2399 /* then the len of the SID 4 bytes */
2400 SIVAL(entry
,4,sid_len
);
2402 /* unknown data 8 bytes uint64_t */
2403 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2405 /* the used disk space 8 bytes uint64_t */
2406 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2408 /* the soft quotas 8 bytes uint64_t */
2409 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2411 /* the hard quotas 8 bytes uint64_t */
2412 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2414 /* and now the SID */
2415 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2418 qt_handle
->tmp_list
= tmp_list
;
2420 /* overwrite the offset of the last entry */
2421 SIVAL(entry
-entry_len
,0,0);
2423 data_len
= 4+qt_len
;
2424 /* overwrite the params quota_data_len */
2425 SIVAL(params
,0,data_len
);
2429 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2431 /* unknown 4 bytes IVAL(pdata,0) */
2433 if (data_count
< 8) {
2434 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2435 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2439 sid_len
= IVAL(pdata
,4);
2440 /* Ensure this is less than 1mb. */
2441 if (sid_len
> (1024*1024)) {
2442 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2446 if (data_count
< 8+sid_len
) {
2447 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2448 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2452 data_len
= 4+40+sid_len
;
2454 if (max_data_count
< data_len
) {
2455 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2456 max_data_count
, data_len
));
2458 SIVAL(params
,0,data_len
);
2460 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2464 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2465 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2469 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2472 * we have to return zero's in all fields
2473 * instead of returning an error here
2478 /* Realloc the size of parameters and data we will return */
2480 params
= nttrans_realloc(ppparams
, param_len
);
2481 if(params
== NULL
) {
2482 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2486 pdata
= nttrans_realloc(ppdata
, data_len
);
2488 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2494 /* set params Size of returned Quota Data 4 bytes*/
2495 SIVAL(params
,0,data_len
);
2497 /* nextoffset entry 4 bytes */
2500 /* then the len of the SID 4 bytes */
2501 SIVAL(entry
,4,sid_len
);
2503 /* unknown data 8 bytes uint64_t */
2504 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2506 /* the used disk space 8 bytes uint64_t */
2507 SBIG_UINT(entry
,16,qt
.usedspace
);
2509 /* the soft quotas 8 bytes uint64_t */
2510 SBIG_UINT(entry
,24,qt
.softlim
);
2512 /* the hard quotas 8 bytes uint64_t */
2513 SBIG_UINT(entry
,32,qt
.hardlim
);
2515 /* and now the SID */
2516 sid_linearize(entry
+40, sid_len
, &sid
);
2521 DEBUG(0, ("do_nt_transact_get_user_quota: %s: unknown "
2523 fsp_fnum_dbg(fsp
), level
));
2524 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2529 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2533 /****************************************************************************
2534 Reply to set user quota
2535 ****************************************************************************/
2537 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2538 struct smb_request
*req
,
2542 uint32 parameter_count
,
2545 uint32 max_data_count
)
2547 char *params
= *ppparams
;
2548 char *pdata
= *ppdata
;
2549 int data_len
=0,param_len
=0;
2550 SMB_NTQUOTA_STRUCT qt
;
2553 files_struct
*fsp
= NULL
;
2558 if (get_current_uid(conn
) != 0) {
2559 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2560 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn
)),
2561 conn
->session_info
->unix_info
->unix_name
));
2562 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2567 * Ensure minimum number of parameters sent.
2570 if (parameter_count
< 2) {
2571 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2572 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2576 /* maybe we can check the quota_fnum */
2577 fsp
= file_fsp(req
, SVAL(params
,0));
2578 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2579 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2580 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2584 if (data_count
< 40) {
2585 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2586 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2590 /* offset to next quota record.
2591 * 4 bytes IVAL(pdata,0)
2596 sid_len
= IVAL(pdata
,4);
2598 if (data_count
< 40+sid_len
|| (40+sid_len
< sid_len
)) {
2599 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2600 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2604 /* unknown 8 bytes in pdata
2605 * maybe its the change time in NTTIME
2608 /* the used space 8 bytes (uint64_t)*/
2609 qt
.usedspace
= BVAL(pdata
,16);
2611 /* the soft quotas 8 bytes (uint64_t)*/
2612 qt
.softlim
= BVAL(pdata
,24);
2614 /* the hard quotas 8 bytes (uint64_t)*/
2615 qt
.hardlim
= BVAL(pdata
,32);
2617 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2618 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2622 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2624 /* 44 unknown bytes left... */
2626 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2627 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2631 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2634 #endif /* HAVE_SYS_QUOTAS */
2636 static void handle_nttrans(connection_struct
*conn
,
2637 struct trans_state
*state
,
2638 struct smb_request
*req
)
2640 if (get_Protocol() >= PROTOCOL_NT1
) {
2641 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2642 SSVAL(discard_const_p(uint8_t, req
->inbuf
),smb_flg2
,req
->flags2
);
2646 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2648 /* Now we must call the relevant NT_TRANS function */
2649 switch(state
->call
) {
2650 case NT_TRANSACT_CREATE
:
2652 START_PROFILE(NT_transact_create
);
2653 call_nt_transact_create(
2655 &state
->setup
, state
->setup_count
,
2656 &state
->param
, state
->total_param
,
2657 &state
->data
, state
->total_data
,
2658 state
->max_data_return
);
2659 END_PROFILE(NT_transact_create
);
2663 case NT_TRANSACT_IOCTL
:
2665 START_PROFILE(NT_transact_ioctl
);
2666 call_nt_transact_ioctl(
2668 &state
->setup
, state
->setup_count
,
2669 &state
->param
, state
->total_param
,
2670 &state
->data
, state
->total_data
,
2671 state
->max_data_return
);
2672 END_PROFILE(NT_transact_ioctl
);
2676 case NT_TRANSACT_SET_SECURITY_DESC
:
2678 START_PROFILE(NT_transact_set_security_desc
);
2679 call_nt_transact_set_security_desc(
2681 &state
->setup
, state
->setup_count
,
2682 &state
->param
, state
->total_param
,
2683 &state
->data
, state
->total_data
,
2684 state
->max_data_return
);
2685 END_PROFILE(NT_transact_set_security_desc
);
2689 case NT_TRANSACT_NOTIFY_CHANGE
:
2691 START_PROFILE(NT_transact_notify_change
);
2692 call_nt_transact_notify_change(
2694 &state
->setup
, state
->setup_count
,
2695 &state
->param
, state
->total_param
,
2696 &state
->data
, state
->total_data
,
2697 state
->max_data_return
,
2698 state
->max_param_return
);
2699 END_PROFILE(NT_transact_notify_change
);
2703 case NT_TRANSACT_RENAME
:
2705 START_PROFILE(NT_transact_rename
);
2706 call_nt_transact_rename(
2708 &state
->setup
, state
->setup_count
,
2709 &state
->param
, state
->total_param
,
2710 &state
->data
, state
->total_data
,
2711 state
->max_data_return
);
2712 END_PROFILE(NT_transact_rename
);
2716 case NT_TRANSACT_QUERY_SECURITY_DESC
:
2718 START_PROFILE(NT_transact_query_security_desc
);
2719 call_nt_transact_query_security_desc(
2721 &state
->setup
, state
->setup_count
,
2722 &state
->param
, state
->total_param
,
2723 &state
->data
, state
->total_data
,
2724 state
->max_data_return
);
2725 END_PROFILE(NT_transact_query_security_desc
);
2729 #ifdef HAVE_SYS_QUOTAS
2730 case NT_TRANSACT_GET_USER_QUOTA
:
2732 START_PROFILE(NT_transact_get_user_quota
);
2733 call_nt_transact_get_user_quota(
2735 &state
->setup
, state
->setup_count
,
2736 &state
->param
, state
->total_param
,
2737 &state
->data
, state
->total_data
,
2738 state
->max_data_return
);
2739 END_PROFILE(NT_transact_get_user_quota
);
2743 case NT_TRANSACT_SET_USER_QUOTA
:
2745 START_PROFILE(NT_transact_set_user_quota
);
2746 call_nt_transact_set_user_quota(
2748 &state
->setup
, state
->setup_count
,
2749 &state
->param
, state
->total_param
,
2750 &state
->data
, state
->total_data
,
2751 state
->max_data_return
);
2752 END_PROFILE(NT_transact_set_user_quota
);
2755 #endif /* HAVE_SYS_QUOTAS */
2758 /* Error in request */
2759 DEBUG(0,("handle_nttrans: Unknown request %d in "
2760 "nttrans call\n", state
->call
));
2761 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2767 /****************************************************************************
2768 Reply to a SMBNTtrans.
2769 ****************************************************************************/
2771 void reply_nttrans(struct smb_request
*req
)
2773 connection_struct
*conn
= req
->conn
;
2778 uint16 function_code
;
2780 struct trans_state
*state
;
2782 START_PROFILE(SMBnttrans
);
2784 if (req
->wct
< 19) {
2785 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2786 END_PROFILE(SMBnttrans
);
2790 pscnt
= IVAL(req
->vwv
+9, 1);
2791 psoff
= IVAL(req
->vwv
+11, 1);
2792 dscnt
= IVAL(req
->vwv
+13, 1);
2793 dsoff
= IVAL(req
->vwv
+15, 1);
2794 function_code
= SVAL(req
->vwv
+18, 0);
2796 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
2797 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2798 END_PROFILE(SMBnttrans
);
2802 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
2803 if (!NT_STATUS_IS_OK(result
)) {
2804 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
2805 reply_nterror(req
, result
);
2806 END_PROFILE(SMBnttrans
);
2810 if ((state
= talloc(conn
, struct trans_state
)) == NULL
) {
2811 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2812 END_PROFILE(SMBnttrans
);
2816 state
->cmd
= SMBnttrans
;
2818 state
->mid
= req
->mid
;
2819 state
->vuid
= req
->vuid
;
2820 state
->total_data
= IVAL(req
->vwv
+3, 1);
2822 state
->total_param
= IVAL(req
->vwv
+1, 1);
2823 state
->param
= NULL
;
2824 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
2825 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
2827 /* setup count is in *words* */
2828 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
2829 state
->setup
= NULL
;
2830 state
->call
= function_code
;
2832 DEBUG(10, ("num_setup=%u, "
2833 "param_total=%u, this_param=%u, max_param=%u, "
2834 "data_total=%u, this_data=%u, max_data=%u, "
2835 "param_offset=%u, data_offset=%u\n",
2836 (unsigned)state
->setup_count
,
2837 (unsigned)state
->total_param
, (unsigned)pscnt
,
2838 (unsigned)state
->max_param_return
,
2839 (unsigned)state
->total_data
, (unsigned)dscnt
,
2840 (unsigned)state
->max_data_return
,
2841 (unsigned)psoff
, (unsigned)dsoff
));
2844 * All nttrans messages we handle have smb_wct == 19 +
2845 * state->setup_count. Ensure this is so as a sanity check.
2848 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
2849 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2850 req
->wct
, 19 + (state
->setup_count
/2)));
2854 /* Don't allow more than 128mb for each value. */
2855 if ((state
->total_data
> (1024*1024*128)) ||
2856 (state
->total_param
> (1024*1024*128))) {
2857 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2858 END_PROFILE(SMBnttrans
);
2862 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
2865 if (state
->total_data
) {
2867 if (trans_oob(state
->total_data
, 0, dscnt
)
2868 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
2872 /* Can't use talloc here, the core routines do realloc on the
2873 * params and data. */
2874 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
2875 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2876 "bytes !\n", (unsigned int)state
->total_data
));
2878 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2879 END_PROFILE(SMBnttrans
);
2883 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
2886 if (state
->total_param
) {
2888 if (trans_oob(state
->total_param
, 0, pscnt
)
2889 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
2893 /* Can't use talloc here, the core routines do realloc on the
2894 * params and data. */
2895 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
2896 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2897 "bytes !\n", (unsigned int)state
->total_param
));
2898 SAFE_FREE(state
->data
);
2900 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2901 END_PROFILE(SMBnttrans
);
2905 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
2908 state
->received_data
= dscnt
;
2909 state
->received_param
= pscnt
;
2911 if(state
->setup_count
> 0) {
2912 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2913 state
->setup_count
));
2916 * No overflow possible here, state->setup_count is an
2917 * unsigned int, being filled by a single byte from
2918 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2919 * below is not necessary, it's here to clarify things. The
2920 * validity of req->vwv and req->wct has been checked in
2921 * init_smb_request already.
2923 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
2927 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
2928 if (state
->setup
== NULL
) {
2929 DEBUG(0,("reply_nttrans : Out of memory\n"));
2930 SAFE_FREE(state
->data
);
2931 SAFE_FREE(state
->param
);
2933 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2934 END_PROFILE(SMBnttrans
);
2938 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
2939 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
2942 if ((state
->received_data
== state
->total_data
) &&
2943 (state
->received_param
== state
->total_param
)) {
2944 handle_nttrans(conn
, state
, req
);
2945 SAFE_FREE(state
->param
);
2946 SAFE_FREE(state
->data
);
2948 END_PROFILE(SMBnttrans
);
2952 DLIST_ADD(conn
->pending_trans
, state
);
2954 /* We need to send an interim response then receive the rest
2955 of the parameter/data bytes */
2956 reply_outbuf(req
, 0, 0);
2957 show_msg((char *)req
->outbuf
);
2958 END_PROFILE(SMBnttrans
);
2963 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2964 SAFE_FREE(state
->data
);
2965 SAFE_FREE(state
->param
);
2967 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2968 END_PROFILE(SMBnttrans
);
2972 /****************************************************************************
2973 Reply to a SMBnttranss
2974 ****************************************************************************/
2976 void reply_nttranss(struct smb_request
*req
)
2978 connection_struct
*conn
= req
->conn
;
2979 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
2980 struct trans_state
*state
;
2982 START_PROFILE(SMBnttranss
);
2984 show_msg((const char *)req
->inbuf
);
2986 /* Windows clients expect all replies to
2987 an NT transact secondary (SMBnttranss 0xA1)
2988 to have a command code of NT transact
2989 (SMBnttrans 0xA0). See bug #8989 for details. */
2990 req
->cmd
= SMBnttrans
;
2992 if (req
->wct
< 18) {
2993 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2994 END_PROFILE(SMBnttranss
);
2998 for (state
= conn
->pending_trans
; state
!= NULL
;
2999 state
= state
->next
) {
3000 if (state
->mid
== req
->mid
) {
3005 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
3006 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3007 END_PROFILE(SMBnttranss
);
3011 /* Revise state->total_param and state->total_data in case they have
3012 changed downwards */
3013 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
3014 state
->total_param
= IVAL(req
->vwv
+1, 1);
3016 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
3017 state
->total_data
= IVAL(req
->vwv
+3, 1);
3020 pcnt
= IVAL(req
->vwv
+5, 1);
3021 poff
= IVAL(req
->vwv
+7, 1);
3022 pdisp
= IVAL(req
->vwv
+9, 1);
3024 dcnt
= IVAL(req
->vwv
+11, 1);
3025 doff
= IVAL(req
->vwv
+13, 1);
3026 ddisp
= IVAL(req
->vwv
+15, 1);
3028 state
->received_param
+= pcnt
;
3029 state
->received_data
+= dcnt
;
3031 if ((state
->received_data
> state
->total_data
) ||
3032 (state
->received_param
> state
->total_param
))
3036 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
3037 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
3040 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
3044 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
3045 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
3048 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
3051 if ((state
->received_param
< state
->total_param
) ||
3052 (state
->received_data
< state
->total_data
)) {
3053 END_PROFILE(SMBnttranss
);
3057 handle_nttrans(conn
, state
, req
);
3059 DLIST_REMOVE(conn
->pending_trans
, state
);
3060 SAFE_FREE(state
->data
);
3061 SAFE_FREE(state
->param
);
3063 END_PROFILE(SMBnttranss
);
3068 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3069 DLIST_REMOVE(conn
->pending_trans
, state
);
3070 SAFE_FREE(state
->data
);
3071 SAFE_FREE(state
->param
);
3073 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3074 END_PROFILE(SMBnttranss
);