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 void send_nt_replies(connection_struct
*conn
,
58 struct smb_request
*req
, NTSTATUS nt_error
,
59 char *params
, int paramsize
,
60 char *pdata
, int datasize
)
62 int data_to_send
= datasize
;
63 int params_to_send
= paramsize
;
67 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
68 int alignment_offset
= 1;
69 int data_alignment_offset
= 0;
70 struct smbd_server_connection
*sconn
= req
->sconn
;
71 int max_send
= sconn
->smb1
.sessions
.max_send
;
74 * If there genuinely are no parameters or data to send just send
78 if(params_to_send
== 0 && data_to_send
== 0) {
79 reply_outbuf(req
, 18, 0);
80 if (NT_STATUS_V(nt_error
)) {
81 error_packet_set((char *)req
->outbuf
,
85 show_msg((char *)req
->outbuf
);
86 if (!srv_send_smb(sconn
,
89 IS_CONN_ENCRYPTED(conn
),
91 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
93 TALLOC_FREE(req
->outbuf
);
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
103 if (((params_to_send
% 4) != 0) && (data_to_send
!= 0)) {
104 data_alignment_offset
= 4 - (params_to_send
% 4);
108 * Space is bufsize minus Netbios over TCP header minus SMB header.
109 * The alignment_offset is to align the param bytes on a four byte
110 * boundary (2 bytes for data len, one byte pad).
111 * NT needs this to work correctly.
114 useable_space
= max_send
- (smb_size
117 + data_alignment_offset
);
119 if (useable_space
< 0) {
120 char *msg
= talloc_asprintf(
122 "send_nt_replies failed sanity useable_space = %d!!!",
124 DEBUG(0, ("%s\n", msg
));
125 exit_server_cleanly(msg
);
128 while (params_to_send
|| data_to_send
) {
131 * Calculate whether we will totally or partially fill this packet.
134 total_sent_thistime
= params_to_send
+ data_to_send
;
137 * We can never send more than useable_space.
140 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
142 reply_outbuf(req
, 18,
143 total_sent_thistime
+ alignment_offset
144 + data_alignment_offset
);
147 * Set total params and data to be sent.
150 SIVAL(req
->outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
151 SIVAL(req
->outbuf
,smb_ntr_TotalDataCount
,datasize
);
154 * Calculate how many parameters and data we can fit into
155 * this packet. Parameters get precedence.
158 params_sent_thistime
= MIN(params_to_send
,useable_space
);
159 data_sent_thistime
= useable_space
- params_sent_thistime
;
160 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
162 SIVAL(req
->outbuf
, smb_ntr_ParameterCount
,
163 params_sent_thistime
);
165 if(params_sent_thistime
== 0) {
166 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,0);
167 SIVAL(req
->outbuf
,smb_ntr_ParameterDisplacement
,0);
170 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
171 * parameter bytes, however the first 4 bytes of outbuf are
172 * the Netbios over TCP header. Thus use smb_base() to subtract
173 * them from the calculation.
176 SIVAL(req
->outbuf
,smb_ntr_ParameterOffset
,
177 ((smb_buf(req
->outbuf
)+alignment_offset
)
178 - smb_base(req
->outbuf
)));
180 * Absolute displacement of param bytes sent in this packet.
183 SIVAL(req
->outbuf
, smb_ntr_ParameterDisplacement
,
188 * Deal with the data portion.
191 SIVAL(req
->outbuf
, smb_ntr_DataCount
, data_sent_thistime
);
193 if(data_sent_thistime
== 0) {
194 SIVAL(req
->outbuf
,smb_ntr_DataOffset
,0);
195 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, 0);
198 * The offset of the data bytes is the offset of the
199 * parameter bytes plus the number of parameters being sent this time.
202 SIVAL(req
->outbuf
, smb_ntr_DataOffset
,
203 ((smb_buf(req
->outbuf
)+alignment_offset
) -
204 smb_base(req
->outbuf
))
205 + params_sent_thistime
+ data_alignment_offset
);
206 SIVAL(req
->outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
210 * Copy the param bytes into the packet.
213 if(params_sent_thistime
) {
214 if (alignment_offset
!= 0) {
215 memset(smb_buf(req
->outbuf
), 0,
218 memcpy((smb_buf(req
->outbuf
)+alignment_offset
), pp
,
219 params_sent_thistime
);
223 * Copy in the data bytes
226 if(data_sent_thistime
) {
227 if (data_alignment_offset
!= 0) {
228 memset((smb_buf(req
->outbuf
)+alignment_offset
+
229 params_sent_thistime
), 0,
230 data_alignment_offset
);
232 memcpy(smb_buf(req
->outbuf
)+alignment_offset
233 +params_sent_thistime
+data_alignment_offset
,
234 pd
,data_sent_thistime
);
237 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
238 params_sent_thistime
, data_sent_thistime
, useable_space
));
239 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
240 params_to_send
, data_to_send
, paramsize
, datasize
));
242 if (NT_STATUS_V(nt_error
)) {
243 error_packet_set((char *)req
->outbuf
,
248 /* Send the packet */
249 show_msg((char *)req
->outbuf
);
250 if (!srv_send_smb(sconn
,
253 IS_CONN_ENCRYPTED(conn
),
255 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
258 TALLOC_FREE(req
->outbuf
);
260 pp
+= params_sent_thistime
;
261 pd
+= data_sent_thistime
;
263 params_to_send
-= params_sent_thistime
;
264 data_to_send
-= data_sent_thistime
;
270 if(params_to_send
< 0 || data_to_send
< 0) {
271 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
272 params_to_send
, data_to_send
));
273 exit_server_cleanly("send_nt_replies: internal error");
278 /****************************************************************************
279 Reply to an NT create and X call on a pipe
280 ****************************************************************************/
282 static void nt_open_pipe(char *fname
, connection_struct
*conn
,
283 struct smb_request
*req
, int *ppnum
)
288 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
290 /* Strip \\ off the name. */
293 status
= open_np_file(req
, fname
, &fsp
);
294 if (!NT_STATUS_IS_OK(status
)) {
295 if (NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
296 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
300 reply_nterror(req
, status
);
308 /****************************************************************************
309 Reply to an NT create and X call for pipes.
310 ****************************************************************************/
312 static void do_ntcreate_pipe_open(connection_struct
*conn
,
313 struct smb_request
*req
)
318 uint32 flags
= IVAL(req
->vwv
+3, 1);
319 TALLOC_CTX
*ctx
= talloc_tos();
321 srvstr_pull_req_talloc(ctx
, req
, &fname
, req
->buf
, STR_TERMINATE
);
324 reply_botherror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
328 nt_open_pipe(fname
, conn
, req
, &pnum
);
336 * Deal with pipe return.
339 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
340 /* This is very strange. We
341 * return 50 words, but only set
342 * the wcnt to 42 ? It's definately
343 * what happens on the wire....
345 reply_outbuf(req
, 50, 0);
346 SCVAL(req
->outbuf
,smb_wct
,42);
348 reply_outbuf(req
, 34, 0);
351 p
= (char *)req
->outbuf
+ smb_vwv2
;
355 SIVAL(p
,0,FILE_WAS_OPENED
);
358 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
361 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
363 SSVAL(p
,2, 0x5FF); /* ? */
366 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
368 SIVAL(p
,0,FILE_GENERIC_ALL
);
370 * For pipes W2K3 seems to return
372 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
374 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
377 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
382 struct case_semantics_state
{
383 connection_struct
*conn
;
386 bool short_case_preserve
;
389 /****************************************************************************
390 Restore case semantics.
391 ****************************************************************************/
393 static int restore_case_semantics(struct case_semantics_state
*state
)
395 state
->conn
->case_sensitive
= state
->case_sensitive
;
396 state
->conn
->case_preserve
= state
->case_preserve
;
397 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
401 /****************************************************************************
403 ****************************************************************************/
405 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
406 connection_struct
*conn
)
408 struct case_semantics_state
*result
;
410 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
415 result
->case_sensitive
= conn
->case_sensitive
;
416 result
->case_preserve
= conn
->case_preserve
;
417 result
->short_case_preserve
= conn
->short_case_preserve
;
420 conn
->case_sensitive
= True
;
421 conn
->case_preserve
= True
;
422 conn
->short_case_preserve
= True
;
424 talloc_set_destructor(result
, restore_case_semantics
);
429 /****************************************************************************
430 Reply to an NT create and X call.
431 ****************************************************************************/
433 void reply_ntcreate_and_X(struct smb_request
*req
)
435 connection_struct
*conn
= req
->conn
;
436 struct smb_filename
*smb_fname
= NULL
;
440 uint32 file_attributes
;
442 uint32 create_disposition
;
443 uint32 create_options
;
445 uint64_t allocation_size
;
446 /* Breakout the oplock request bits so we can set the
447 reply bits separately. */
449 SMB_OFF_T file_len
= 0;
451 files_struct
*fsp
= NULL
;
453 struct timespec create_timespec
;
454 struct timespec c_timespec
;
455 struct timespec a_timespec
;
456 struct timespec m_timespec
;
457 struct timespec write_time_ts
;
460 uint8_t oplock_granted
= NO_OPLOCK_RETURN
;
461 struct case_semantics_state
*case_state
= NULL
;
462 TALLOC_CTX
*ctx
= talloc_tos();
464 START_PROFILE(SMBntcreateX
);
467 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
471 flags
= IVAL(req
->vwv
+3, 1);
472 access_mask
= IVAL(req
->vwv
+7, 1);
473 file_attributes
= IVAL(req
->vwv
+13, 1);
474 share_access
= IVAL(req
->vwv
+15, 1);
475 create_disposition
= IVAL(req
->vwv
+17, 1);
476 create_options
= IVAL(req
->vwv
+19, 1);
477 root_dir_fid
= (uint16
)IVAL(req
->vwv
+5, 1);
479 allocation_size
= BVAL(req
->vwv
+9, 1);
481 srvstr_get_path_req(ctx
, req
, &fname
, (const char *)req
->buf
,
482 STR_TERMINATE
, &status
);
484 if (!NT_STATUS_IS_OK(status
)) {
485 reply_nterror(req
, status
);
489 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
490 "file_attributes = 0x%x, share_access = 0x%x, "
491 "create_disposition = 0x%x create_options = 0x%x "
492 "root_dir_fid = 0x%x, fname = %s\n",
494 (unsigned int)access_mask
,
495 (unsigned int)file_attributes
,
496 (unsigned int)share_access
,
497 (unsigned int)create_disposition
,
498 (unsigned int)create_options
,
499 (unsigned int)root_dir_fid
,
503 * we need to remove ignored bits when they come directly from the client
504 * because we reuse some of them for internal stuff
506 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
509 * If it's an IPC, use the pipe handler.
513 if (lp_nt_pipe_support()) {
514 do_ntcreate_pipe_open(conn
, req
);
517 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
521 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
522 if (oplock_request
) {
523 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
527 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
528 case_state
= set_posix_case_semantics(ctx
, conn
);
530 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
535 status
= filename_convert(ctx
,
537 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
543 TALLOC_FREE(case_state
);
545 if (!NT_STATUS_IS_OK(status
)) {
546 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
548 NT_STATUS_PATH_NOT_COVERED
,
552 reply_nterror(req
, status
);
557 * Bug #6898 - clients using Windows opens should
558 * never be able to set this attribute into the
561 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
563 status
= SMB_VFS_CREATE_FILE(
566 root_dir_fid
, /* root_dir_fid */
567 smb_fname
, /* fname */
568 access_mask
, /* access_mask */
569 share_access
, /* share_access */
570 create_disposition
, /* create_disposition*/
571 create_options
, /* create_options */
572 file_attributes
, /* file_attributes */
573 oplock_request
, /* oplock_request */
574 allocation_size
, /* allocation_size */
575 0, /* private_flags */
581 if (!NT_STATUS_IS_OK(status
)) {
582 if (open_was_deferred(req
->mid
)) {
583 /* We have re-scheduled this call, no error. */
586 reply_openerror(req
, status
);
590 /* Ensure we're pointing at the correct stat struct. */
591 TALLOC_FREE(smb_fname
);
592 smb_fname
= fsp
->fsp_name
;
595 * If the caller set the extended oplock request bit
596 * and we granted one (by whatever means) - set the
597 * correct bit for extended oplock reply.
600 if (oplock_request
&&
601 (lp_fake_oplocks(SNUM(conn
))
602 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
605 * Exclusive oplock granted
608 if (flags
& REQUEST_BATCH_OPLOCK
) {
609 oplock_granted
= BATCH_OPLOCK_RETURN
;
611 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
613 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
614 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
616 oplock_granted
= NO_OPLOCK_RETURN
;
619 file_len
= smb_fname
->st
.st_ex_size
;
621 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
622 /* This is very strange. We
623 * return 50 words, but only set
624 * the wcnt to 42 ? It's definately
625 * what happens on the wire....
627 reply_outbuf(req
, 50, 0);
628 SCVAL(req
->outbuf
,smb_wct
,42);
630 reply_outbuf(req
, 34, 0);
633 p
= (char *)req
->outbuf
+ smb_vwv2
;
635 SCVAL(p
, 0, oplock_granted
);
638 SSVAL(p
,0,fsp
->fnum
);
640 if ((create_disposition
== FILE_SUPERSEDE
)
641 && (info
== FILE_WAS_OVERWRITTEN
)) {
642 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
648 fattr
= dos_mode(conn
, smb_fname
);
650 fattr
= FILE_ATTRIBUTE_NORMAL
;
653 /* Deal with other possible opens having a modified
655 ZERO_STRUCT(write_time_ts
);
656 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
657 if (!null_timespec(write_time_ts
)) {
658 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
662 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
663 a_timespec
= smb_fname
->st
.st_ex_atime
;
664 m_timespec
= smb_fname
->st
.st_ex_mtime
;
665 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
667 if (lp_dos_filetime_resolution(SNUM(conn
))) {
668 dos_filetime_timespec(&create_timespec
);
669 dos_filetime_timespec(&a_timespec
);
670 dos_filetime_timespec(&m_timespec
);
671 dos_filetime_timespec(&c_timespec
);
674 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
676 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
678 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
680 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
682 SIVAL(p
,0,fattr
); /* File Attributes. */
684 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
,fsp
,&smb_fname
->st
));
686 SOFF_T(p
,0,file_len
);
688 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
689 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
690 size_t num_names
= 0;
691 unsigned int num_streams
= 0;
692 struct stream_struct
*streams
= NULL
;
694 /* Do we have any EA's ? */
695 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
696 smb_fname
->base_name
, NULL
, &num_names
);
697 if (NT_STATUS_IS_OK(status
) && num_names
) {
698 file_status
&= ~NO_EAS
;
700 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
701 &num_streams
, &streams
);
702 /* There is always one stream, ::$DATA. */
703 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
704 file_status
&= ~NO_SUBSTREAMS
;
706 TALLOC_FREE(streams
);
707 SSVAL(p
,2,file_status
);
710 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
712 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
715 if (fsp
->is_directory
||
716 can_write_to_file(conn
, smb_fname
)) {
717 perms
= FILE_GENERIC_ALL
;
719 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
724 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
725 fsp
->fnum
, smb_fname_str_dbg(smb_fname
)));
729 END_PROFILE(SMBntcreateX
);
733 /****************************************************************************
734 Reply to a NT_TRANSACT_CREATE call to open a pipe.
735 ****************************************************************************/
737 static void do_nt_transact_create_pipe(connection_struct
*conn
,
738 struct smb_request
*req
,
739 uint16
**ppsetup
, uint32 setup_count
,
740 char **ppparams
, uint32 parameter_count
,
741 char **ppdata
, uint32 data_count
)
744 char *params
= *ppparams
;
750 TALLOC_CTX
*ctx
= talloc_tos();
753 * Ensure minimum number of parameters sent.
756 if(parameter_count
< 54) {
757 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
758 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
762 flags
= IVAL(params
,0);
764 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
, params
+53,
765 parameter_count
-53, STR_TERMINATE
,
767 if (!NT_STATUS_IS_OK(status
)) {
768 reply_nterror(req
, status
);
772 nt_open_pipe(fname
, conn
, req
, &pnum
);
779 /* Realloc the size of parameters and data we will return */
780 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
781 /* Extended response is 32 more byyes. */
786 params
= nttrans_realloc(ppparams
, param_len
);
788 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
793 SCVAL(p
,0,NO_OPLOCK_RETURN
);
798 SIVAL(p
,0,FILE_WAS_OPENED
);
802 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
805 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
807 SSVAL(p
,2, 0x5FF); /* ? */
810 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
812 SIVAL(p
,0,FILE_GENERIC_ALL
);
814 * For pipes W2K3 seems to return
816 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
818 SIVAL(p
,4,(FILE_GENERIC_READ
|FILE_GENERIC_WRITE
)&~FILE_APPEND_DATA
);
821 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
823 /* Send the required number of replies */
824 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
829 /*********************************************************************
830 Windows seems to do canonicalization of inheritance bits. Do the
832 *********************************************************************/
834 static void canonicalize_inheritance_bits(struct security_descriptor
*psd
)
836 bool set_auto_inherited
= false;
839 * We need to filter out the
840 * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
841 * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
842 * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
843 * when an ACE is inherited. Otherwise we zero these bits out.
846 * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
851 if ((psd
->type
& (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
))
852 == (SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
)) {
853 set_auto_inherited
= true;
856 psd
->type
&= ~(SEC_DESC_DACL_AUTO_INHERITED
|SEC_DESC_DACL_AUTO_INHERIT_REQ
);
857 if (set_auto_inherited
) {
858 psd
->type
|= SEC_DESC_DACL_AUTO_INHERITED
;
862 /****************************************************************************
863 Internal fn to set security descriptors.
864 ****************************************************************************/
866 NTSTATUS
set_sd(files_struct
*fsp
, struct security_descriptor
*psd
,
867 uint32_t security_info_sent
)
871 if (!CAN_WRITE(fsp
->conn
)) {
872 return NT_STATUS_ACCESS_DENIED
;
875 if (!lp_nt_acl_support(SNUM(fsp
->conn
))) {
879 if (psd
->owner_sid
== NULL
) {
880 security_info_sent
&= ~SECINFO_OWNER
;
882 if (psd
->group_sid
== NULL
) {
883 security_info_sent
&= ~SECINFO_GROUP
;
886 /* Ensure we have at least one thing set. */
887 if ((security_info_sent
& (SECINFO_OWNER
|SECINFO_GROUP
|SECINFO_DACL
|SECINFO_SACL
)) == 0) {
888 if (security_info_sent
& SECINFO_LABEL
) {
889 /* Only consider SECINFO_LABEL if no other
890 bits are set. Just like W2K3 we don't
894 return NT_STATUS_INVALID_PARAMETER
;
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) {
992 offset
+= next_offset
;
998 /****************************************************************************
999 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1000 ****************************************************************************/
1002 static void call_nt_transact_create(connection_struct
*conn
,
1003 struct smb_request
*req
,
1004 uint16
**ppsetup
, uint32 setup_count
,
1005 char **ppparams
, uint32 parameter_count
,
1006 char **ppdata
, uint32 data_count
,
1007 uint32 max_data_count
)
1009 struct smb_filename
*smb_fname
= NULL
;
1011 char *params
= *ppparams
;
1012 char *data
= *ppdata
;
1013 /* Breakout the oplock request bits so we can set the reply bits separately. */
1015 SMB_OFF_T file_len
= 0;
1017 files_struct
*fsp
= NULL
;
1021 uint32 file_attributes
;
1022 uint32 share_access
;
1023 uint32 create_disposition
;
1024 uint32 create_options
;
1026 struct security_descriptor
*sd
= NULL
;
1028 uint16 root_dir_fid
;
1029 struct timespec create_timespec
;
1030 struct timespec c_timespec
;
1031 struct timespec a_timespec
;
1032 struct timespec m_timespec
;
1033 struct timespec write_time_ts
;
1034 struct ea_list
*ea_list
= NULL
;
1037 uint64_t allocation_size
;
1039 uint8_t oplock_granted
;
1040 struct case_semantics_state
*case_state
= NULL
;
1041 TALLOC_CTX
*ctx
= talloc_tos();
1043 DEBUG(5,("call_nt_transact_create\n"));
1046 * If it's an IPC, use the pipe handler.
1050 if (lp_nt_pipe_support()) {
1051 do_nt_transact_create_pipe(
1053 ppsetup
, setup_count
,
1054 ppparams
, parameter_count
,
1055 ppdata
, data_count
);
1058 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1063 * Ensure minimum number of parameters sent.
1066 if(parameter_count
< 54) {
1067 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count
));
1068 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1072 flags
= IVAL(params
,0);
1073 access_mask
= IVAL(params
,8);
1074 file_attributes
= IVAL(params
,20);
1075 share_access
= IVAL(params
,24);
1076 create_disposition
= IVAL(params
,28);
1077 create_options
= IVAL(params
,32);
1078 sd_len
= IVAL(params
,36);
1079 ea_len
= IVAL(params
,40);
1080 root_dir_fid
= (uint16
)IVAL(params
,4);
1081 allocation_size
= BVAL(params
,12);
1084 * we need to remove ignored bits when they come directly from the client
1085 * because we reuse some of them for internal stuff
1087 create_options
&= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK
;
1089 /* Ensure the data_len is correct for the sd and ea values given. */
1090 if ((ea_len
+ sd_len
> data_count
)
1091 || (ea_len
> data_count
) || (sd_len
> data_count
)
1092 || (ea_len
+ sd_len
< ea_len
) || (ea_len
+ sd_len
< sd_len
)) {
1093 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1094 "%u, data_count = %u\n", (unsigned int)ea_len
,
1095 (unsigned int)sd_len
, (unsigned int)data_count
));
1096 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1101 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1104 status
= unmarshall_sec_desc(ctx
, (uint8_t *)data
, sd_len
,
1106 if (!NT_STATUS_IS_OK(status
)) {
1107 DEBUG(10, ("call_nt_transact_create: "
1108 "unmarshall_sec_desc failed: %s\n",
1109 nt_errstr(status
)));
1110 reply_nterror(req
, status
);
1116 if (!lp_ea_support(SNUM(conn
))) {
1117 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1118 "EA's not supported.\n",
1119 (unsigned int)ea_len
));
1120 reply_nterror(req
, NT_STATUS_EAS_NOT_SUPPORTED
);
1125 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1126 "too small (should be more than 10)\n",
1127 (unsigned int)ea_len
));
1128 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1132 /* We have already checked that ea_len <= data_count here. */
1133 ea_list
= read_nttrans_ea_list(talloc_tos(), data
+ sd_len
,
1135 if (ea_list
== NULL
) {
1136 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1141 srvstr_get_path(ctx
, params
, req
->flags2
, &fname
,
1142 params
+53, parameter_count
-53,
1143 STR_TERMINATE
, &status
);
1144 if (!NT_STATUS_IS_OK(status
)) {
1145 reply_nterror(req
, status
);
1149 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1150 case_state
= set_posix_case_semantics(ctx
, conn
);
1152 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1157 status
= filename_convert(ctx
,
1159 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1165 TALLOC_FREE(case_state
);
1167 if (!NT_STATUS_IS_OK(status
)) {
1168 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1169 reply_botherror(req
,
1170 NT_STATUS_PATH_NOT_COVERED
,
1171 ERRSRV
, ERRbadpath
);
1174 reply_nterror(req
, status
);
1178 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1179 if (oplock_request
) {
1180 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
)
1185 * Bug #6898 - clients using Windows opens should
1186 * never be able to set this attribute into the
1189 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
1191 status
= SMB_VFS_CREATE_FILE(
1194 root_dir_fid
, /* root_dir_fid */
1195 smb_fname
, /* fname */
1196 access_mask
, /* access_mask */
1197 share_access
, /* share_access */
1198 create_disposition
, /* create_disposition*/
1199 create_options
, /* create_options */
1200 file_attributes
, /* file_attributes */
1201 oplock_request
, /* oplock_request */
1202 allocation_size
, /* allocation_size */
1203 0, /* private_flags */
1205 ea_list
, /* ea_list */
1209 if(!NT_STATUS_IS_OK(status
)) {
1210 if (open_was_deferred(req
->mid
)) {
1211 /* We have re-scheduled this call, no error. */
1214 reply_openerror(req
, status
);
1218 /* Ensure we're pointing at the correct stat struct. */
1219 TALLOC_FREE(smb_fname
);
1220 smb_fname
= fsp
->fsp_name
;
1223 * If the caller set the extended oplock request bit
1224 * and we granted one (by whatever means) - set the
1225 * correct bit for extended oplock reply.
1228 if (oplock_request
&&
1229 (lp_fake_oplocks(SNUM(conn
))
1230 || EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))) {
1233 * Exclusive oplock granted
1236 if (flags
& REQUEST_BATCH_OPLOCK
) {
1237 oplock_granted
= BATCH_OPLOCK_RETURN
;
1239 oplock_granted
= EXCLUSIVE_OPLOCK_RETURN
;
1241 } else if (fsp
->oplock_type
== LEVEL_II_OPLOCK
) {
1242 oplock_granted
= LEVEL_II_OPLOCK_RETURN
;
1244 oplock_granted
= NO_OPLOCK_RETURN
;
1247 file_len
= smb_fname
->st
.st_ex_size
;
1249 /* Realloc the size of parameters and data we will return */
1250 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1251 /* Extended response is 32 more byyes. */
1256 params
= nttrans_realloc(ppparams
, param_len
);
1257 if(params
== NULL
) {
1258 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1263 SCVAL(p
, 0, oplock_granted
);
1266 SSVAL(p
,0,fsp
->fnum
);
1268 if ((create_disposition
== FILE_SUPERSEDE
)
1269 && (info
== FILE_WAS_OVERWRITTEN
)) {
1270 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1276 fattr
= dos_mode(conn
, smb_fname
);
1278 fattr
= FILE_ATTRIBUTE_NORMAL
;
1281 /* Deal with other possible opens having a modified
1283 ZERO_STRUCT(write_time_ts
);
1284 get_file_infos(fsp
->file_id
, 0, NULL
, &write_time_ts
);
1285 if (!null_timespec(write_time_ts
)) {
1286 update_stat_ex_mtime(&smb_fname
->st
, write_time_ts
);
1290 create_timespec
= get_create_timespec(conn
, fsp
, smb_fname
);
1291 a_timespec
= smb_fname
->st
.st_ex_atime
;
1292 m_timespec
= smb_fname
->st
.st_ex_mtime
;
1293 c_timespec
= get_change_timespec(conn
, fsp
, smb_fname
);
1295 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1296 dos_filetime_timespec(&create_timespec
);
1297 dos_filetime_timespec(&a_timespec
);
1298 dos_filetime_timespec(&m_timespec
);
1299 dos_filetime_timespec(&c_timespec
);
1302 put_long_date_timespec(conn
->ts_res
, p
, create_timespec
); /* create time. */
1304 put_long_date_timespec(conn
->ts_res
, p
, a_timespec
); /* access time */
1306 put_long_date_timespec(conn
->ts_res
, p
, m_timespec
); /* write time */
1308 put_long_date_timespec(conn
->ts_res
, p
, c_timespec
); /* change time */
1310 SIVAL(p
,0,fattr
); /* File Attributes. */
1312 SOFF_T(p
, 0, SMB_VFS_GET_ALLOC_SIZE(conn
, fsp
, &smb_fname
->st
));
1314 SOFF_T(p
,0,file_len
);
1316 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1317 uint16_t file_status
= (NO_EAS
|NO_SUBSTREAMS
|NO_REPARSETAG
);
1318 size_t num_names
= 0;
1319 unsigned int num_streams
= 0;
1320 struct stream_struct
*streams
= NULL
;
1322 /* Do we have any EA's ? */
1323 status
= get_ea_names_from_file(ctx
, conn
, fsp
,
1324 smb_fname
->base_name
, NULL
, &num_names
);
1325 if (NT_STATUS_IS_OK(status
) && num_names
) {
1326 file_status
&= ~NO_EAS
;
1328 status
= vfs_streaminfo(conn
, NULL
, smb_fname
->base_name
, ctx
,
1329 &num_streams
, &streams
);
1330 /* There is always one stream, ::$DATA. */
1331 if (NT_STATUS_IS_OK(status
) && num_streams
> 1) {
1332 file_status
&= ~NO_SUBSTREAMS
;
1334 TALLOC_FREE(streams
);
1335 SSVAL(p
,2,file_status
);
1338 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
1340 if (flags
& EXTENDED_RESPONSE_REQUIRED
) {
1343 if (fsp
->is_directory
||
1344 can_write_to_file(conn
, smb_fname
)) {
1345 perms
= FILE_GENERIC_ALL
;
1347 perms
= FILE_GENERIC_READ
|FILE_EXECUTE
;
1352 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1353 smb_fname_str_dbg(smb_fname
)));
1355 /* Send the required number of replies */
1356 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
, *ppdata
, 0);
1361 /****************************************************************************
1362 Reply to a NT CANCEL request.
1363 conn POINTER CAN BE NULL HERE !
1364 ****************************************************************************/
1366 void reply_ntcancel(struct smb_request
*req
)
1369 * Go through and cancel any pending change notifies.
1372 START_PROFILE(SMBntcancel
);
1373 srv_cancel_sign_response(req
->sconn
);
1374 remove_pending_change_notify_requests_by_mid(req
->sconn
, req
->mid
);
1375 remove_pending_lock_requests_by_mid_smb1(req
->sconn
, req
->mid
);
1377 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1378 (unsigned long long)req
->mid
));
1380 END_PROFILE(SMBntcancel
);
1384 /****************************************************************************
1386 ****************************************************************************/
1388 static NTSTATUS
copy_internals(TALLOC_CTX
*ctx
,
1389 connection_struct
*conn
,
1390 struct smb_request
*req
,
1391 struct smb_filename
*smb_fname_src
,
1392 struct smb_filename
*smb_fname_dst
,
1395 files_struct
*fsp1
,*fsp2
;
1399 NTSTATUS status
= NT_STATUS_OK
;
1402 if (!CAN_WRITE(conn
)) {
1403 status
= NT_STATUS_MEDIA_WRITE_PROTECTED
;
1407 /* Source must already exist. */
1408 if (!VALID_STAT(smb_fname_src
->st
)) {
1409 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1413 /* Ensure attributes match. */
1414 fattr
= dos_mode(conn
, smb_fname_src
);
1415 if ((fattr
& ~attrs
) & (FILE_ATTRIBUTE_HIDDEN
| FILE_ATTRIBUTE_SYSTEM
)) {
1416 status
= NT_STATUS_NO_SUCH_FILE
;
1420 /* Disallow if dst file already exists. */
1421 if (VALID_STAT(smb_fname_dst
->st
)) {
1422 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
1426 /* No links from a directory. */
1427 if (S_ISDIR(smb_fname_src
->st
.st_ex_mode
)) {
1428 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
1432 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1433 smb_fname_str_dbg(smb_fname_src
),
1434 smb_fname_str_dbg(smb_fname_dst
)));
1436 status
= SMB_VFS_CREATE_FILE(
1439 0, /* root_dir_fid */
1440 smb_fname_src
, /* fname */
1441 FILE_READ_DATA
|FILE_READ_ATTRIBUTES
|
1442 FILE_READ_EA
, /* access_mask */
1443 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1445 FILE_OPEN
, /* create_disposition*/
1446 0, /* create_options */
1447 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
1448 NO_OPLOCK
, /* oplock_request */
1449 0, /* allocation_size */
1450 0, /* private_flags */
1456 if (!NT_STATUS_IS_OK(status
)) {
1460 status
= SMB_VFS_CREATE_FILE(
1463 0, /* root_dir_fid */
1464 smb_fname_dst
, /* fname */
1465 FILE_WRITE_DATA
|FILE_WRITE_ATTRIBUTES
|
1466 FILE_WRITE_EA
, /* access_mask */
1467 (FILE_SHARE_READ
| FILE_SHARE_WRITE
| /* share_access */
1469 FILE_CREATE
, /* create_disposition*/
1470 0, /* create_options */
1471 fattr
, /* file_attributes */
1472 NO_OPLOCK
, /* oplock_request */
1473 0, /* allocation_size */
1474 0, /* private_flags */
1480 if (!NT_STATUS_IS_OK(status
)) {
1481 close_file(NULL
, fsp1
, ERROR_CLOSE
);
1485 if (smb_fname_src
->st
.st_ex_size
) {
1486 ret
= vfs_transfer_file(fsp1
, fsp2
, smb_fname_src
->st
.st_ex_size
);
1490 * As we are opening fsp1 read-only we only expect
1491 * an error on close on fsp2 if we are out of space.
1492 * Thus we don't look at the error return from the
1495 close_file(NULL
, fsp1
, NORMAL_CLOSE
);
1497 /* Ensure the modtime is set correctly on the destination file. */
1498 set_close_write_time(fsp2
, smb_fname_src
->st
.st_ex_mtime
);
1500 status
= close_file(NULL
, fsp2
, NORMAL_CLOSE
);
1502 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1503 creates the file. This isn't the correct thing to do in the copy
1505 if (!parent_dirname(talloc_tos(), smb_fname_dst
->base_name
, &parent
,
1507 status
= NT_STATUS_NO_MEMORY
;
1510 file_set_dosmode(conn
, smb_fname_dst
, fattr
, parent
, false);
1511 TALLOC_FREE(parent
);
1513 if (ret
< (SMB_OFF_T
)smb_fname_src
->st
.st_ex_size
) {
1514 status
= NT_STATUS_DISK_FULL
;
1518 if (!NT_STATUS_IS_OK(status
)) {
1519 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1520 nt_errstr(status
), smb_fname_str_dbg(smb_fname_src
),
1521 smb_fname_str_dbg(smb_fname_dst
)));
1527 /****************************************************************************
1528 Reply to a NT rename request.
1529 ****************************************************************************/
1531 void reply_ntrename(struct smb_request
*req
)
1533 connection_struct
*conn
= req
->conn
;
1534 struct smb_filename
*smb_fname_old
= NULL
;
1535 struct smb_filename
*smb_fname_new
= NULL
;
1536 char *oldname
= NULL
;
1537 char *newname
= NULL
;
1540 bool src_has_wcard
= False
;
1541 bool dest_has_wcard
= False
;
1543 uint32_t ucf_flags_src
= 0;
1544 uint32_t ucf_flags_dst
= 0;
1546 TALLOC_CTX
*ctx
= talloc_tos();
1547 bool stream_rename
= false;
1549 START_PROFILE(SMBntrename
);
1552 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1556 attrs
= SVAL(req
->vwv
+0, 0);
1557 rename_type
= SVAL(req
->vwv
+1, 0);
1559 p
= (const char *)req
->buf
+ 1;
1560 p
+= srvstr_get_path_req_wcard(ctx
, req
, &oldname
, p
, STR_TERMINATE
,
1561 &status
, &src_has_wcard
);
1562 if (!NT_STATUS_IS_OK(status
)) {
1563 reply_nterror(req
, status
);
1567 if (ms_has_wild(oldname
)) {
1568 reply_nterror(req
, NT_STATUS_OBJECT_PATH_SYNTAX_BAD
);
1573 p
+= srvstr_get_path_req_wcard(ctx
, req
, &newname
, p
, STR_TERMINATE
,
1574 &status
, &dest_has_wcard
);
1575 if (!NT_STATUS_IS_OK(status
)) {
1576 reply_nterror(req
, status
);
1580 if (!lp_posix_pathnames()) {
1581 /* The newname must begin with a ':' if the
1582 oldname contains a ':'. */
1583 if (strchr_m(oldname
, ':')) {
1584 if (newname
[0] != ':') {
1585 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1588 stream_rename
= true;
1593 * If this is a rename operation, allow wildcards and save the
1594 * destination's last component.
1596 if (rename_type
== RENAME_FLAG_RENAME
) {
1597 ucf_flags_src
= UCF_COND_ALLOW_WCARD_LCOMP
;
1598 ucf_flags_dst
= UCF_COND_ALLOW_WCARD_LCOMP
| UCF_SAVE_LCOMP
;
1601 /* rename_internals() calls unix_convert(), so don't call it here. */
1602 status
= filename_convert(ctx
, conn
,
1603 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1608 if (!NT_STATUS_IS_OK(status
)) {
1609 if (NT_STATUS_EQUAL(status
,
1610 NT_STATUS_PATH_NOT_COVERED
)) {
1611 reply_botherror(req
,
1612 NT_STATUS_PATH_NOT_COVERED
,
1613 ERRSRV
, ERRbadpath
);
1616 reply_nterror(req
, status
);
1620 status
= filename_convert(ctx
, conn
,
1621 req
->flags2
& FLAGS2_DFS_PATHNAMES
,
1626 if (!NT_STATUS_IS_OK(status
)) {
1627 if (NT_STATUS_EQUAL(status
,
1628 NT_STATUS_PATH_NOT_COVERED
)) {
1629 reply_botherror(req
,
1630 NT_STATUS_PATH_NOT_COVERED
,
1631 ERRSRV
, ERRbadpath
);
1634 reply_nterror(req
, status
);
1638 if (stream_rename
) {
1639 /* smb_fname_new must be the same as smb_fname_old. */
1640 TALLOC_FREE(smb_fname_new
->base_name
);
1641 smb_fname_new
->base_name
= talloc_strdup(smb_fname_new
,
1642 smb_fname_old
->base_name
);
1643 if (!smb_fname_new
->base_name
) {
1644 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
1649 DEBUG(3,("reply_ntrename: %s -> %s\n",
1650 smb_fname_str_dbg(smb_fname_old
),
1651 smb_fname_str_dbg(smb_fname_new
)));
1653 switch(rename_type
) {
1654 case RENAME_FLAG_RENAME
:
1655 status
= rename_internals(ctx
, conn
, req
,
1656 smb_fname_old
, smb_fname_new
,
1657 attrs
, False
, src_has_wcard
,
1661 case RENAME_FLAG_HARD_LINK
:
1662 if (src_has_wcard
|| dest_has_wcard
) {
1664 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1666 status
= hardlink_internals(ctx
, conn
,
1673 case RENAME_FLAG_COPY
:
1674 if (src_has_wcard
|| dest_has_wcard
) {
1676 status
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
1678 status
= copy_internals(ctx
, conn
, req
,
1684 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION
:
1685 status
= NT_STATUS_INVALID_PARAMETER
;
1688 status
= NT_STATUS_ACCESS_DENIED
; /* Default error. */
1692 if (!NT_STATUS_IS_OK(status
)) {
1693 if (open_was_deferred(req
->mid
)) {
1694 /* We have re-scheduled this call. */
1698 reply_nterror(req
, status
);
1702 reply_outbuf(req
, 0, 0);
1704 END_PROFILE(SMBntrename
);
1708 /****************************************************************************
1709 Reply to a notify change - queue the request and
1710 don't allow a directory to be opened.
1711 ****************************************************************************/
1713 static void smbd_smb1_notify_reply(struct smb_request
*req
,
1714 NTSTATUS error_code
,
1715 uint8_t *buf
, size_t len
)
1717 send_nt_replies(req
->conn
, req
, error_code
, (char *)buf
, len
, NULL
, 0);
1720 static void call_nt_transact_notify_change(connection_struct
*conn
,
1721 struct smb_request
*req
,
1725 uint32 parameter_count
,
1726 char **ppdata
, uint32 data_count
,
1727 uint32 max_data_count
,
1728 uint32 max_param_count
)
1730 uint16
*setup
= *ppsetup
;
1736 if(setup_count
< 6) {
1737 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1741 fsp
= file_fsp(req
, SVAL(setup
,4));
1742 filter
= IVAL(setup
, 0);
1743 recursive
= (SVAL(setup
, 6) != 0) ? True
: False
;
1745 DEBUG(3,("call_nt_transact_notify_change\n"));
1748 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
1753 char *filter_string
;
1755 if (!(filter_string
= notify_filter_string(NULL
, filter
))) {
1756 reply_nterror(req
,NT_STATUS_NO_MEMORY
);
1760 DEBUG(3,("call_nt_transact_notify_change: notify change "
1761 "called on %s, filter = %s, recursive = %d\n",
1762 fsp_str_dbg(fsp
), filter_string
, recursive
));
1764 TALLOC_FREE(filter_string
);
1767 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
)) {
1768 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1772 if (fsp
->notify
== NULL
) {
1774 status
= change_notify_create(fsp
, filter
, recursive
);
1776 if (!NT_STATUS_IS_OK(status
)) {
1777 DEBUG(10, ("change_notify_create returned %s\n",
1778 nt_errstr(status
)));
1779 reply_nterror(req
, status
);
1784 if (fsp
->notify
->num_changes
!= 0) {
1787 * We've got changes pending, respond immediately
1791 * TODO: write a torture test to check the filtering behaviour
1795 change_notify_reply(req
,
1799 smbd_smb1_notify_reply
);
1802 * change_notify_reply() above has independently sent its
1809 * No changes pending, queue the request
1812 status
= change_notify_add_request(req
,
1816 smbd_smb1_notify_reply
);
1817 if (!NT_STATUS_IS_OK(status
)) {
1818 reply_nterror(req
, status
);
1823 /****************************************************************************
1824 Reply to an NT transact rename command.
1825 ****************************************************************************/
1827 static void call_nt_transact_rename(connection_struct
*conn
,
1828 struct smb_request
*req
,
1829 uint16
**ppsetup
, uint32 setup_count
,
1830 char **ppparams
, uint32 parameter_count
,
1831 char **ppdata
, uint32 data_count
,
1832 uint32 max_data_count
)
1834 char *params
= *ppparams
;
1835 char *new_name
= NULL
;
1836 files_struct
*fsp
= NULL
;
1837 bool dest_has_wcard
= False
;
1839 TALLOC_CTX
*ctx
= talloc_tos();
1841 if(parameter_count
< 5) {
1842 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
1846 fsp
= file_fsp(req
, SVAL(params
, 0));
1847 if (!check_fsp(conn
, req
, fsp
)) {
1850 srvstr_get_path_wcard(ctx
, params
, req
->flags2
, &new_name
, params
+4,
1851 parameter_count
- 4,
1852 STR_TERMINATE
, &status
, &dest_has_wcard
);
1853 if (!NT_STATUS_IS_OK(status
)) {
1854 reply_nterror(req
, status
);
1859 * W2K3 ignores this request as the RAW-RENAME test
1860 * demonstrates, so we do.
1862 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1864 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1865 fsp_str_dbg(fsp
), new_name
));
1870 /******************************************************************************
1871 Fake up a completely empty SD.
1872 *******************************************************************************/
1874 static NTSTATUS
get_null_nt_acl(TALLOC_CTX
*mem_ctx
, struct security_descriptor
**ppsd
)
1878 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1880 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1881 return NT_STATUS_NO_MEMORY
;
1884 return NT_STATUS_OK
;
1887 /****************************************************************************
1888 Reply to query a security descriptor.
1889 Callable from SMB2 and SMB2.
1890 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1892 ****************************************************************************/
1894 NTSTATUS
smbd_do_query_security_desc(connection_struct
*conn
,
1895 TALLOC_CTX
*mem_ctx
,
1897 uint32_t security_info_wanted
,
1898 uint32_t max_data_count
,
1899 uint8_t **ppmarshalled_sd
,
1903 struct security_descriptor
*psd
= NULL
;
1906 * Get the permissions to return.
1909 if ((security_info_wanted
& SECINFO_SACL
) &&
1910 !(fsp
->access_mask
& SEC_FLAG_SYSTEM_SECURITY
)) {
1911 return NT_STATUS_ACCESS_DENIED
;
1914 if ((security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|SECINFO_GROUP
)) &&
1915 !(fsp
->access_mask
& SEC_STD_READ_CONTROL
)) {
1916 return NT_STATUS_ACCESS_DENIED
;
1919 if (security_info_wanted
& (SECINFO_DACL
|SECINFO_OWNER
|
1920 SECINFO_GROUP
|SECINFO_SACL
)) {
1921 /* Don't return SECINFO_LABEL if anything else was
1922 requested. See bug #8458. */
1923 security_info_wanted
&= ~SECINFO_LABEL
;
1926 if (!lp_nt_acl_support(SNUM(conn
))) {
1927 status
= get_null_nt_acl(mem_ctx
, &psd
);
1928 } else if (security_info_wanted
& SECINFO_LABEL
) {
1929 /* Like W2K3 return a null object. */
1930 status
= get_null_nt_acl(mem_ctx
, &psd
);
1932 status
= SMB_VFS_FGET_NT_ACL(
1933 fsp
, security_info_wanted
, &psd
);
1935 if (!NT_STATUS_IS_OK(status
)) {
1939 if (!(security_info_wanted
& SECINFO_OWNER
)) {
1940 psd
->owner_sid
= NULL
;
1942 if (!(security_info_wanted
& SECINFO_GROUP
)) {
1943 psd
->group_sid
= NULL
;
1945 if (!(security_info_wanted
& SECINFO_DACL
)) {
1946 psd
->type
&= ~SEC_DESC_DACL_PRESENT
;
1949 if (!(security_info_wanted
& SECINFO_SACL
)) {
1950 psd
->type
&= ~SEC_DESC_SACL_PRESENT
;
1954 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1955 * present in the reply to match Windows behavior */
1956 if (psd
->sacl
== NULL
&&
1957 security_info_wanted
& SECINFO_SACL
)
1958 psd
->type
|= SEC_DESC_SACL_PRESENT
;
1959 if (psd
->dacl
== NULL
&&
1960 security_info_wanted
& SECINFO_DACL
)
1961 psd
->type
|= SEC_DESC_DACL_PRESENT
;
1963 if (security_info_wanted
& SECINFO_LABEL
) {
1964 /* Like W2K3 return a null object. */
1965 psd
->owner_sid
= NULL
;
1966 psd
->group_sid
= NULL
;
1969 psd
->type
&= ~(SEC_DESC_DACL_PRESENT
|SEC_DESC_SACL_PRESENT
);
1972 *psd_size
= ndr_size_security_descriptor(psd
, 0);
1974 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1975 (unsigned long)*psd_size
));
1977 if (DEBUGLEVEL
>= 10) {
1978 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1980 NDR_PRINT_DEBUG(security_descriptor
, psd
);
1983 if (max_data_count
< *psd_size
) {
1985 return NT_STATUS_BUFFER_TOO_SMALL
;
1988 status
= marshall_sec_desc(mem_ctx
, psd
,
1989 ppmarshalled_sd
, psd_size
);
1991 if (!NT_STATUS_IS_OK(status
)) {
1997 return NT_STATUS_OK
;
2000 /****************************************************************************
2001 SMB1 reply to query a security descriptor.
2002 ****************************************************************************/
2004 static void call_nt_transact_query_security_desc(connection_struct
*conn
,
2005 struct smb_request
*req
,
2009 uint32 parameter_count
,
2012 uint32 max_data_count
)
2014 char *params
= *ppparams
;
2015 char *data
= *ppdata
;
2017 uint32 security_info_wanted
;
2018 files_struct
*fsp
= NULL
;
2020 uint8_t *marshalled_sd
= NULL
;
2022 if(parameter_count
< 8) {
2023 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2027 fsp
= file_fsp(req
, SVAL(params
,0));
2029 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2033 security_info_wanted
= IVAL(params
,4);
2035 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2036 "info_wanted = 0x%x\n", fsp_str_dbg(fsp
),
2037 (unsigned int)security_info_wanted
));
2039 params
= nttrans_realloc(ppparams
, 4);
2040 if(params
== NULL
) {
2041 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2046 * Get the permissions to return.
2049 status
= smbd_do_query_security_desc(conn
,
2052 security_info_wanted
,
2057 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
2058 SIVAL(params
,0,(uint32_t)sd_size
);
2059 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2060 params
, 4, NULL
, 0);
2064 if (!NT_STATUS_IS_OK(status
)) {
2065 reply_nterror(req
, status
);
2069 SMB_ASSERT(sd_size
> 0);
2071 SIVAL(params
,0,(uint32_t)sd_size
);
2073 if (max_data_count
< sd_size
) {
2074 send_nt_replies(conn
, req
, NT_STATUS_BUFFER_TOO_SMALL
,
2075 params
, 4, NULL
, 0);
2080 * Allocate the data we will return.
2083 data
= nttrans_realloc(ppdata
, sd_size
);
2085 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2089 memcpy(data
, marshalled_sd
, sd_size
);
2091 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
2096 /****************************************************************************
2097 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2098 ****************************************************************************/
2100 static void call_nt_transact_set_security_desc(connection_struct
*conn
,
2101 struct smb_request
*req
,
2105 uint32 parameter_count
,
2108 uint32 max_data_count
)
2110 char *params
= *ppparams
;
2111 char *data
= *ppdata
;
2112 files_struct
*fsp
= NULL
;
2113 uint32 security_info_sent
= 0;
2116 if(parameter_count
< 8) {
2117 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2121 if((fsp
= file_fsp(req
, SVAL(params
,0))) == NULL
) {
2122 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2126 if (!CAN_WRITE(fsp
->conn
)) {
2127 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2131 if(!lp_nt_acl_support(SNUM(conn
))) {
2135 security_info_sent
= IVAL(params
,4);
2137 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2138 fsp_str_dbg(fsp
), (unsigned int)security_info_sent
));
2140 if (data_count
== 0) {
2141 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2145 status
= set_sd_blob(fsp
, (uint8
*)data
, data_count
, security_info_sent
);
2147 if (!NT_STATUS_IS_OK(status
)) {
2148 reply_nterror(req
, status
);
2153 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
2158 * Implement the default fsctl operation.
2161 static bool vfswrap_logged_ioctl_message
= false;
2164 * In 3.6 we do not have a SMB_VFS_FSCTL() function
2165 * it's just faked to make it more look like
2168 NTSTATUS
smb_fsctl(struct files_struct
*fsp
,
2171 uint16_t req_flags
, /* Needed for UNICODE ... */
2172 const uint8_t *_in_data
,
2174 uint8_t **_out_data
,
2175 uint32_t max_out_len
,
2178 const char *in_data
= (const char *)_in_data
;
2179 char **out_data
= (char **)_out_data
;
2182 case FSCTL_SET_SPARSE
:
2184 bool set_sparse
= true;
2187 if (in_len
>= 1 && in_data
[0] == 0) {
2191 status
= file_set_sparse(fsp
->conn
, fsp
, set_sparse
);
2193 DEBUG(NT_STATUS_IS_OK(status
) ? 10 : 9,
2194 ("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2195 smb_fname_str_dbg(fsp
->fsp_name
), set_sparse
,
2196 nt_errstr(status
)));
2201 case FSCTL_CREATE_OR_GET_OBJECT_ID
:
2203 unsigned char objid
[16];
2204 char *return_data
= NULL
;
2206 /* This should return the object-id on this file.
2207 * I think I'll make this be the inode+dev. JRA.
2210 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fsp
->fnum
));
2212 *out_len
= (max_out_len
>= 64) ? 64 : max_out_len
;
2213 /* Hmmm, will this cause problems if less data asked for? */
2214 return_data
= talloc_array(ctx
, char, 64);
2215 if (return_data
== NULL
) {
2216 return NT_STATUS_NO_MEMORY
;
2219 /* For backwards compatibility only store the dev/inode. */
2220 push_file_id_16(return_data
, &fsp
->file_id
);
2221 memcpy(return_data
+16,create_volume_objectid(fsp
->conn
,objid
),16);
2222 push_file_id_16(return_data
+32, &fsp
->file_id
);
2223 *out_data
= return_data
;
2224 return NT_STATUS_OK
;
2227 case FSCTL_GET_REPARSE_POINT
:
2229 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
2230 DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp
->fnum
));
2231 return NT_STATUS_NOT_A_REPARSE_POINT
;
2234 case FSCTL_SET_REPARSE_POINT
:
2236 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
2237 DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp
->fnum
));
2238 return NT_STATUS_NOT_A_REPARSE_POINT
;
2241 case FSCTL_GET_SHADOW_COPY_DATA
:
2244 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2245 * and return their volume names. If max_data_count is 16, then it is just
2246 * asking for the number of volumes and length of the combined names.
2248 * pdata is the data allocated by our caller, but that uses
2249 * total_data_count (which is 0 in our case) rather than max_data_count.
2250 * Allocate the correct amount and return the pointer to let
2251 * it be deallocated when we return.
2253 struct shadow_copy_data
*shadow_data
= NULL
;
2254 bool labels
= False
;
2255 uint32 labels_data_count
= 0;
2257 char *cur_pdata
= NULL
;
2259 if (max_out_len
< 16) {
2260 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2262 return NT_STATUS_INVALID_PARAMETER
;
2265 if (max_out_len
> 16) {
2269 shadow_data
= talloc_zero(ctx
, struct shadow_copy_data
);
2270 if (shadow_data
== NULL
) {
2271 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2272 return NT_STATUS_NO_MEMORY
;
2276 * Call the VFS routine to actually do the work.
2278 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp
, shadow_data
, labels
)!=0) {
2279 TALLOC_FREE(shadow_data
);
2280 if (errno
== ENOSYS
) {
2281 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2282 fsp
->conn
->connectpath
));
2283 return NT_STATUS_NOT_SUPPORTED
;
2285 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2286 fsp
->conn
->connectpath
));
2287 return NT_STATUS_UNSUCCESSFUL
;
2291 labels_data_count
= (shadow_data
->num_volumes
* 2 *
2292 sizeof(SHADOW_COPY_LABEL
)) + 2;
2297 *out_len
= 12 + labels_data_count
+ 4;
2300 if (max_out_len
< *out_len
) {
2301 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2302 max_out_len
, *out_len
));
2303 TALLOC_FREE(shadow_data
);
2304 return NT_STATUS_BUFFER_TOO_SMALL
;
2307 cur_pdata
= talloc_array(ctx
, char, *out_len
);
2308 if (cur_pdata
== NULL
) {
2309 TALLOC_FREE(shadow_data
);
2310 return NT_STATUS_NO_MEMORY
;
2313 *out_data
= cur_pdata
;
2315 /* num_volumes 4 bytes */
2316 SIVAL(cur_pdata
, 0, shadow_data
->num_volumes
);
2319 /* num_labels 4 bytes */
2320 SIVAL(cur_pdata
, 4, shadow_data
->num_volumes
);
2323 /* needed_data_count 4 bytes */
2324 SIVAL(cur_pdata
, 8, labels_data_count
+ 4);
2328 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2329 shadow_data
->num_volumes
, fsp_str_dbg(fsp
)));
2330 if (labels
&& shadow_data
->labels
) {
2331 for (i
=0; i
<shadow_data
->num_volumes
; i
++) {
2332 srvstr_push(cur_pdata
, req_flags
,
2333 cur_pdata
, shadow_data
->labels
[i
],
2334 2 * sizeof(SHADOW_COPY_LABEL
),
2335 STR_UNICODE
|STR_TERMINATE
);
2336 cur_pdata
+= 2 * sizeof(SHADOW_COPY_LABEL
);
2337 DEBUGADD(10,("Label[%u]: '%s'\n",i
,shadow_data
->labels
[i
]));
2341 TALLOC_FREE(shadow_data
);
2343 return NT_STATUS_OK
;
2346 case FSCTL_FIND_FILES_BY_SID
:
2348 /* pretend this succeeded -
2350 * we have to send back a list with all files owned by this SID
2352 * but I have to check that --metze
2358 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n", fsp
->fnum
));
2361 /* NT_STATUS_BUFFER_TOO_SMALL maybe? */
2362 return NT_STATUS_INVALID_PARAMETER
;
2365 sid_len
= MIN(in_len
- 4,SID_MAX_SIZE
);
2367 /* unknown 4 bytes: this is not the length of the sid :-( */
2368 /*unknown = IVAL(pdata,0);*/
2370 if (!sid_parse(in_data
+ 4, sid_len
, &sid
)) {
2371 return NT_STATUS_INVALID_PARAMETER
;
2373 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid
)));
2375 if (!sid_to_uid(&sid
, &uid
)) {
2376 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2377 sid_string_dbg(&sid
),
2378 (unsigned long)sid_len
));
2382 /* we can take a look at the find source :-)
2384 * find ./ -uid $uid -name '*' is what we need here
2387 * and send 4bytes len and then NULL terminated unicode strings
2390 * but I don't know how to deal with the paged results
2391 * (maybe we can hang the result anywhere in the fsp struct)
2393 * but I don't know how to deal with the paged results
2394 * (maybe we can hang the result anywhere in the fsp struct)
2396 * we don't send all files at once
2397 * and at the next we should *not* start from the beginning,
2398 * so we have to cache the result
2403 /* this works for now... */
2404 return NT_STATUS_OK
;
2407 case FSCTL_QUERY_ALLOCATED_RANGES
:
2409 /* FIXME: This is just a dummy reply, telling that all of the
2410 * file is allocated. MKS cp needs that.
2411 * Adding the real allocated ranges via FIEMAP on Linux
2412 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2413 * this FSCTL correct for sparse files.
2416 uint64_t offset
, length
;
2417 char *out_data_tmp
= NULL
;
2420 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2422 return NT_STATUS_INVALID_PARAMETER
;
2425 if (max_out_len
< 16) {
2426 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
2428 return NT_STATUS_INVALID_PARAMETER
;
2431 offset
= BVAL(in_data
,0);
2432 length
= BVAL(in_data
,8);
2434 if (offset
+ length
< offset
) {
2435 /* No 64-bit integer wrap. */
2436 return NT_STATUS_INVALID_PARAMETER
;
2439 /* Shouldn't this be SMB_VFS_STAT ... ? */
2440 status
= vfs_stat_fsp(fsp
);
2441 if (!NT_STATUS_IS_OK(status
)) {
2446 out_data_tmp
= talloc_array(ctx
, char, *out_len
);
2447 if (out_data_tmp
== NULL
) {
2448 DEBUG(10, ("unable to allocate memory for response\n"));
2449 return NT_STATUS_NO_MEMORY
;
2452 if (offset
> fsp
->fsp_name
->st
.st_ex_size
||
2453 fsp
->fsp_name
->st
.st_ex_size
== 0 ||
2455 memset(out_data_tmp
, 0, *out_len
);
2457 uint64_t end
= offset
+ length
;
2458 end
= MIN(end
, fsp
->fsp_name
->st
.st_ex_size
);
2459 SBVAL(out_data_tmp
, 0, 0);
2460 SBVAL(out_data_tmp
, 8, end
);
2463 *out_data
= out_data_tmp
;
2465 return NT_STATUS_OK
;
2468 case FSCTL_IS_VOLUME_DIRTY
:
2470 DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on FID[0x%04X] "
2471 "(but not implemented)\n", fsp
->fnum
));
2473 * http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
2474 * says we have to respond with NT_STATUS_INVALID_PARAMETER
2476 return NT_STATUS_INVALID_PARAMETER
;
2481 * Only print once ... unfortunately there could be lots of
2482 * different FSCTLs that are called.
2484 if (!vfswrap_logged_ioctl_message
) {
2485 vfswrap_logged_ioctl_message
= true;
2486 DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
2487 __FUNCTION__
, function
));
2491 return NT_STATUS_NOT_SUPPORTED
;
2494 /****************************************************************************
2496 ****************************************************************************/
2498 static void call_nt_transact_ioctl(connection_struct
*conn
,
2499 struct smb_request
*req
,
2500 uint16
**ppsetup
, uint32 setup_count
,
2501 char **ppparams
, uint32 parameter_count
,
2502 char **ppdata
, uint32 data_count
,
2503 uint32 max_data_count
)
2511 char *out_data
= NULL
;
2512 uint32 out_data_len
= 0;
2513 char *pdata
= *ppdata
;
2514 TALLOC_CTX
*ctx
= talloc_tos();
2516 if (setup_count
!= 8) {
2517 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
2518 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2522 function
= IVAL(*ppsetup
, 0);
2523 fidnum
= SVAL(*ppsetup
, 4);
2524 isFSctl
= CVAL(*ppsetup
, 6);
2525 compfilter
= CVAL(*ppsetup
, 7);
2527 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2528 function
, fidnum
, isFSctl
, compfilter
));
2530 fsp
=file_fsp(req
, fidnum
);
2533 * We don't really implement IOCTLs, especially on files.
2536 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2538 reply_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
2542 /* Has to be for an open file! */
2543 if (!check_fsp_open(conn
, req
, fsp
)) {
2548 * out_data might be allocated by the VFS module, but talloc should be
2549 * used, and should be cleaned up when the request ends.
2551 status
= smb_fsctl(fsp
,
2557 (uint8_t **)&out_data
,
2560 if (!NT_STATUS_IS_OK(status
)) {
2561 reply_nterror(req
, status
);
2563 send_nt_replies(conn
, req
, NT_STATUS_OK
, NULL
, 0, out_data
, out_data_len
);
2568 #ifdef HAVE_SYS_QUOTAS
2569 /****************************************************************************
2570 Reply to get user quota
2571 ****************************************************************************/
2573 static void call_nt_transact_get_user_quota(connection_struct
*conn
,
2574 struct smb_request
*req
,
2578 uint32 parameter_count
,
2581 uint32 max_data_count
)
2583 NTSTATUS nt_status
= NT_STATUS_OK
;
2584 char *params
= *ppparams
;
2585 char *pdata
= *ppdata
;
2587 int data_len
=0,param_len
=0;
2590 files_struct
*fsp
= NULL
;
2594 bool start_enum
= True
;
2595 SMB_NTQUOTA_STRUCT qt
;
2596 SMB_NTQUOTA_LIST
*tmp_list
;
2597 SMB_NTQUOTA_HANDLE
*qt_handle
= NULL
;
2602 if (get_current_uid(conn
) != 0) {
2603 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2604 "[%s]\n", lp_servicename(SNUM(conn
)),
2605 conn
->session_info
->unix_name
));
2606 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2611 * Ensure minimum number of parameters sent.
2614 if (parameter_count
< 4) {
2615 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count
));
2616 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2620 /* maybe we can check the quota_fnum */
2621 fsp
= file_fsp(req
, SVAL(params
,0));
2622 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2623 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2624 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2628 /* the NULL pointer checking for fsp->fake_file_handle->pd
2629 * is done by CHECK_NTQUOTA_HANDLE_OK()
2631 qt_handle
= (SMB_NTQUOTA_HANDLE
*)fsp
->fake_file_handle
->private_data
;
2633 level
= SVAL(params
,2);
2635 /* unknown 12 bytes leading in params */
2638 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE
:
2639 /* seems that we should continue with the enum here --metze */
2641 if (qt_handle
->quota_list
!=NULL
&&
2642 qt_handle
->tmp_list
==NULL
) {
2645 free_ntquota_list(&(qt_handle
->quota_list
));
2647 /* Realloc the size of parameters and data we will return */
2649 params
= nttrans_realloc(ppparams
, param_len
);
2650 if(params
== NULL
) {
2651 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2656 SIVAL(params
,0,data_len
);
2663 case TRANSACT_GET_USER_QUOTA_LIST_START
:
2665 if (qt_handle
->quota_list
==NULL
&&
2666 qt_handle
->tmp_list
==NULL
) {
2670 if (start_enum
&& vfs_get_user_ntquota_list(fsp
,&(qt_handle
->quota_list
))!=0) {
2671 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2675 /* Realloc the size of parameters and data we will return */
2677 params
= nttrans_realloc(ppparams
, param_len
);
2678 if(params
== NULL
) {
2679 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2683 /* we should not trust the value in max_data_count*/
2684 max_data_count
= MIN(max_data_count
,2048);
2686 pdata
= nttrans_realloc(ppdata
, max_data_count
);/* should be max data count from client*/
2688 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2694 /* set params Size of returned Quota Data 4 bytes*/
2695 /* but set it later when we know it */
2697 /* for each entry push the data */
2700 qt_handle
->tmp_list
= qt_handle
->quota_list
;
2703 tmp_list
= qt_handle
->tmp_list
;
2705 for (;((tmp_list
!=NULL
)&&((qt_len
+40+SID_MAX_SIZE
)<max_data_count
));
2706 tmp_list
=tmp_list
->next
,entry
+=entry_len
,qt_len
+=entry_len
) {
2708 sid_len
= ndr_size_dom_sid(
2709 &tmp_list
->quotas
->sid
, 0);
2710 entry_len
= 40 + sid_len
;
2712 /* nextoffset entry 4 bytes */
2713 SIVAL(entry
,0,entry_len
);
2715 /* then the len of the SID 4 bytes */
2716 SIVAL(entry
,4,sid_len
);
2718 /* unknown data 8 bytes uint64_t */
2719 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2721 /* the used disk space 8 bytes uint64_t */
2722 SBIG_UINT(entry
,16,tmp_list
->quotas
->usedspace
);
2724 /* the soft quotas 8 bytes uint64_t */
2725 SBIG_UINT(entry
,24,tmp_list
->quotas
->softlim
);
2727 /* the hard quotas 8 bytes uint64_t */
2728 SBIG_UINT(entry
,32,tmp_list
->quotas
->hardlim
);
2730 /* and now the SID */
2731 sid_linearize(entry
+40, sid_len
, &tmp_list
->quotas
->sid
);
2734 qt_handle
->tmp_list
= tmp_list
;
2736 /* overwrite the offset of the last entry */
2737 SIVAL(entry
-entry_len
,0,0);
2739 data_len
= 4+qt_len
;
2740 /* overwrite the params quota_data_len */
2741 SIVAL(params
,0,data_len
);
2745 case TRANSACT_GET_USER_QUOTA_FOR_SID
:
2747 /* unknown 4 bytes IVAL(pdata,0) */
2749 if (data_count
< 8) {
2750 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count
,8));
2751 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2755 sid_len
= IVAL(pdata
,4);
2756 /* Ensure this is less than 1mb. */
2757 if (sid_len
> (1024*1024)) {
2758 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2762 if (data_count
< 8+sid_len
) {
2763 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count
,(unsigned long)(8+sid_len
)));
2764 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2768 data_len
= 4+40+sid_len
;
2770 if (max_data_count
< data_len
) {
2771 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2772 max_data_count
, data_len
));
2774 SIVAL(params
,0,data_len
);
2776 nt_status
= NT_STATUS_BUFFER_TOO_SMALL
;
2780 if (!sid_parse(pdata
+8,sid_len
,&sid
)) {
2781 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2785 if (vfs_get_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2788 * we have to return zero's in all fields
2789 * instead of returning an error here
2794 /* Realloc the size of parameters and data we will return */
2796 params
= nttrans_realloc(ppparams
, param_len
);
2797 if(params
== NULL
) {
2798 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2802 pdata
= nttrans_realloc(ppdata
, data_len
);
2804 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
2810 /* set params Size of returned Quota Data 4 bytes*/
2811 SIVAL(params
,0,data_len
);
2813 /* nextoffset entry 4 bytes */
2816 /* then the len of the SID 4 bytes */
2817 SIVAL(entry
,4,sid_len
);
2819 /* unknown data 8 bytes uint64_t */
2820 SBIG_UINT(entry
,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2822 /* the used disk space 8 bytes uint64_t */
2823 SBIG_UINT(entry
,16,qt
.usedspace
);
2825 /* the soft quotas 8 bytes uint64_t */
2826 SBIG_UINT(entry
,24,qt
.softlim
);
2828 /* the hard quotas 8 bytes uint64_t */
2829 SBIG_UINT(entry
,32,qt
.hardlim
);
2831 /* and now the SID */
2832 sid_linearize(entry
+40, sid_len
, &sid
);
2837 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp
->fnum
,level
));
2838 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
2843 send_nt_replies(conn
, req
, nt_status
, params
, param_len
,
2847 /****************************************************************************
2848 Reply to set user quota
2849 ****************************************************************************/
2851 static void call_nt_transact_set_user_quota(connection_struct
*conn
,
2852 struct smb_request
*req
,
2856 uint32 parameter_count
,
2859 uint32 max_data_count
)
2861 char *params
= *ppparams
;
2862 char *pdata
= *ppdata
;
2863 int data_len
=0,param_len
=0;
2864 SMB_NTQUOTA_STRUCT qt
;
2867 files_struct
*fsp
= NULL
;
2872 if (get_current_uid(conn
) != 0) {
2873 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2874 "[%s]\n", lp_servicename(SNUM(conn
)),
2875 conn
->session_info
->unix_name
));
2876 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2881 * Ensure minimum number of parameters sent.
2884 if (parameter_count
< 2) {
2885 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count
));
2886 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2890 /* maybe we can check the quota_fnum */
2891 fsp
= file_fsp(req
, SVAL(params
,0));
2892 if (!check_fsp_ntquota_handle(conn
, req
, fsp
)) {
2893 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2894 reply_nterror(req
, NT_STATUS_INVALID_HANDLE
);
2898 if (data_count
< 40) {
2899 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count
,40));
2900 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2904 /* offset to next quota record.
2905 * 4 bytes IVAL(pdata,0)
2910 sid_len
= IVAL(pdata
,4);
2912 if (data_count
< 40+sid_len
|| (40+sid_len
< sid_len
)) {
2913 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count
,(unsigned long)40+sid_len
));
2914 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2918 /* unknown 8 bytes in pdata
2919 * maybe its the change time in NTTIME
2922 /* the used space 8 bytes (uint64_t)*/
2923 qt
.usedspace
= BVAL(pdata
,16);
2925 /* the soft quotas 8 bytes (uint64_t)*/
2926 qt
.softlim
= BVAL(pdata
,24);
2928 /* the hard quotas 8 bytes (uint64_t)*/
2929 qt
.hardlim
= BVAL(pdata
,32);
2931 if (!sid_parse(pdata
+40,sid_len
,&sid
)) {
2932 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
2936 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid
)));
2938 /* 44 unknown bytes left... */
2940 if (vfs_set_ntquota(fsp
, SMB_USER_QUOTA_TYPE
, &sid
, &qt
)!=0) {
2941 reply_nterror(req
, NT_STATUS_INTERNAL_ERROR
);
2945 send_nt_replies(conn
, req
, NT_STATUS_OK
, params
, param_len
,
2948 #endif /* HAVE_SYS_QUOTAS */
2950 static void handle_nttrans(connection_struct
*conn
,
2951 struct trans_state
*state
,
2952 struct smb_request
*req
)
2954 if (get_Protocol() >= PROTOCOL_NT1
) {
2955 req
->flags2
|= 0x40; /* IS_LONG_NAME */
2956 SSVAL(req
->inbuf
,smb_flg2
,req
->flags2
);
2960 SMB_PERFCOUNT_SET_SUBOP(&req
->pcd
, state
->call
);
2962 /* Now we must call the relevant NT_TRANS function */
2963 switch(state
->call
) {
2964 case NT_TRANSACT_CREATE
:
2966 START_PROFILE(NT_transact_create
);
2967 call_nt_transact_create(
2969 &state
->setup
, state
->setup_count
,
2970 &state
->param
, state
->total_param
,
2971 &state
->data
, state
->total_data
,
2972 state
->max_data_return
);
2973 END_PROFILE(NT_transact_create
);
2977 case NT_TRANSACT_IOCTL
:
2979 START_PROFILE(NT_transact_ioctl
);
2980 call_nt_transact_ioctl(
2982 &state
->setup
, state
->setup_count
,
2983 &state
->param
, state
->total_param
,
2984 &state
->data
, state
->total_data
,
2985 state
->max_data_return
);
2986 END_PROFILE(NT_transact_ioctl
);
2990 case NT_TRANSACT_SET_SECURITY_DESC
:
2992 START_PROFILE(NT_transact_set_security_desc
);
2993 call_nt_transact_set_security_desc(
2995 &state
->setup
, state
->setup_count
,
2996 &state
->param
, state
->total_param
,
2997 &state
->data
, state
->total_data
,
2998 state
->max_data_return
);
2999 END_PROFILE(NT_transact_set_security_desc
);
3003 case NT_TRANSACT_NOTIFY_CHANGE
:
3005 START_PROFILE(NT_transact_notify_change
);
3006 call_nt_transact_notify_change(
3008 &state
->setup
, state
->setup_count
,
3009 &state
->param
, state
->total_param
,
3010 &state
->data
, state
->total_data
,
3011 state
->max_data_return
,
3012 state
->max_param_return
);
3013 END_PROFILE(NT_transact_notify_change
);
3017 case NT_TRANSACT_RENAME
:
3019 START_PROFILE(NT_transact_rename
);
3020 call_nt_transact_rename(
3022 &state
->setup
, state
->setup_count
,
3023 &state
->param
, state
->total_param
,
3024 &state
->data
, state
->total_data
,
3025 state
->max_data_return
);
3026 END_PROFILE(NT_transact_rename
);
3030 case NT_TRANSACT_QUERY_SECURITY_DESC
:
3032 START_PROFILE(NT_transact_query_security_desc
);
3033 call_nt_transact_query_security_desc(
3035 &state
->setup
, state
->setup_count
,
3036 &state
->param
, state
->total_param
,
3037 &state
->data
, state
->total_data
,
3038 state
->max_data_return
);
3039 END_PROFILE(NT_transact_query_security_desc
);
3043 #ifdef HAVE_SYS_QUOTAS
3044 case NT_TRANSACT_GET_USER_QUOTA
:
3046 START_PROFILE(NT_transact_get_user_quota
);
3047 call_nt_transact_get_user_quota(
3049 &state
->setup
, state
->setup_count
,
3050 &state
->param
, state
->total_param
,
3051 &state
->data
, state
->total_data
,
3052 state
->max_data_return
);
3053 END_PROFILE(NT_transact_get_user_quota
);
3057 case NT_TRANSACT_SET_USER_QUOTA
:
3059 START_PROFILE(NT_transact_set_user_quota
);
3060 call_nt_transact_set_user_quota(
3062 &state
->setup
, state
->setup_count
,
3063 &state
->param
, state
->total_param
,
3064 &state
->data
, state
->total_data
,
3065 state
->max_data_return
);
3066 END_PROFILE(NT_transact_set_user_quota
);
3069 #endif /* HAVE_SYS_QUOTAS */
3072 /* Error in request */
3073 DEBUG(0,("handle_nttrans: Unknown request %d in "
3074 "nttrans call\n", state
->call
));
3075 reply_nterror(req
, NT_STATUS_INVALID_LEVEL
);
3081 /****************************************************************************
3082 Reply to a SMBNTtrans.
3083 ****************************************************************************/
3085 void reply_nttrans(struct smb_request
*req
)
3087 connection_struct
*conn
= req
->conn
;
3092 uint16 function_code
;
3094 struct trans_state
*state
;
3096 START_PROFILE(SMBnttrans
);
3098 if (req
->wct
< 19) {
3099 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3100 END_PROFILE(SMBnttrans
);
3104 pscnt
= IVAL(req
->vwv
+9, 1);
3105 psoff
= IVAL(req
->vwv
+11, 1);
3106 dscnt
= IVAL(req
->vwv
+13, 1);
3107 dsoff
= IVAL(req
->vwv
+15, 1);
3108 function_code
= SVAL(req
->vwv
+18, 0);
3110 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
3111 reply_nterror(req
, NT_STATUS_ACCESS_DENIED
);
3112 END_PROFILE(SMBnttrans
);
3116 result
= allow_new_trans(conn
->pending_trans
, req
->mid
);
3117 if (!NT_STATUS_IS_OK(result
)) {
3118 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result
)));
3119 reply_nterror(req
, result
);
3120 END_PROFILE(SMBnttrans
);
3124 if ((state
= TALLOC_P(conn
, struct trans_state
)) == NULL
) {
3125 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
3126 END_PROFILE(SMBnttrans
);
3130 state
->cmd
= SMBnttrans
;
3132 state
->mid
= req
->mid
;
3133 state
->vuid
= req
->vuid
;
3134 state
->total_data
= IVAL(req
->vwv
+3, 1);
3136 state
->total_param
= IVAL(req
->vwv
+1, 1);
3137 state
->param
= NULL
;
3138 state
->max_data_return
= IVAL(req
->vwv
+7, 1);
3139 state
->max_param_return
= IVAL(req
->vwv
+5, 1);
3141 /* setup count is in *words* */
3142 state
->setup_count
= 2*CVAL(req
->vwv
+17, 1);
3143 state
->setup
= NULL
;
3144 state
->call
= function_code
;
3146 DEBUG(10, ("num_setup=%u, "
3147 "param_total=%u, this_param=%u, max_param=%u, "
3148 "data_total=%u, this_data=%u, max_data=%u, "
3149 "param_offset=%u, data_offset=%u\n",
3150 (unsigned)state
->setup_count
,
3151 (unsigned)state
->total_param
, (unsigned)pscnt
,
3152 (unsigned)state
->max_param_return
,
3153 (unsigned)state
->total_data
, (unsigned)dscnt
,
3154 (unsigned)state
->max_data_return
,
3155 (unsigned)psoff
, (unsigned)dsoff
));
3158 * All nttrans messages we handle have smb_wct == 19 +
3159 * state->setup_count. Ensure this is so as a sanity check.
3162 if(req
->wct
!= 19 + (state
->setup_count
/2)) {
3163 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3164 req
->wct
, 19 + (state
->setup_count
/2)));
3168 /* Don't allow more than 128mb for each value. */
3169 if ((state
->total_data
> (1024*1024*128)) ||
3170 (state
->total_param
> (1024*1024*128))) {
3171 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
3172 END_PROFILE(SMBnttrans
);
3176 if ((dscnt
> state
->total_data
) || (pscnt
> state
->total_param
))
3179 if (state
->total_data
) {
3181 if (trans_oob(state
->total_data
, 0, dscnt
)
3182 || trans_oob(smb_len(req
->inbuf
), dsoff
, dscnt
)) {
3186 /* Can't use talloc here, the core routines do realloc on the
3187 * params and data. */
3188 if ((state
->data
= (char *)SMB_MALLOC(state
->total_data
)) == NULL
) {
3189 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3190 "bytes !\n", (unsigned int)state
->total_data
));
3192 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
3193 END_PROFILE(SMBnttrans
);
3197 memcpy(state
->data
,smb_base(req
->inbuf
)+dsoff
,dscnt
);
3200 if (state
->total_param
) {
3202 if (trans_oob(state
->total_param
, 0, pscnt
)
3203 || trans_oob(smb_len(req
->inbuf
), psoff
, pscnt
)) {
3207 /* Can't use talloc here, the core routines do realloc on the
3208 * params and data. */
3209 if ((state
->param
= (char *)SMB_MALLOC(state
->total_param
)) == NULL
) {
3210 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3211 "bytes !\n", (unsigned int)state
->total_param
));
3212 SAFE_FREE(state
->data
);
3214 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
3215 END_PROFILE(SMBnttrans
);
3219 memcpy(state
->param
,smb_base(req
->inbuf
)+psoff
,pscnt
);
3222 state
->received_data
= dscnt
;
3223 state
->received_param
= pscnt
;
3225 if(state
->setup_count
> 0) {
3226 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3227 state
->setup_count
));
3230 * No overflow possible here, state->setup_count is an
3231 * unsigned int, being filled by a single byte from
3232 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3233 * below is not necessary, it's here to clarify things. The
3234 * validity of req->vwv and req->wct has been checked in
3235 * init_smb_request already.
3237 if ((state
->setup_count
/2) + 19 > (unsigned int)req
->wct
) {
3241 state
->setup
= (uint16
*)TALLOC(state
, state
->setup_count
);
3242 if (state
->setup
== NULL
) {
3243 DEBUG(0,("reply_nttrans : Out of memory\n"));
3244 SAFE_FREE(state
->data
);
3245 SAFE_FREE(state
->param
);
3247 reply_nterror(req
, NT_STATUS_NO_MEMORY
);
3248 END_PROFILE(SMBnttrans
);
3252 memcpy(state
->setup
, req
->vwv
+19, state
->setup_count
);
3253 dump_data(10, (uint8
*)state
->setup
, state
->setup_count
);
3256 if ((state
->received_data
== state
->total_data
) &&
3257 (state
->received_param
== state
->total_param
)) {
3258 handle_nttrans(conn
, state
, req
);
3259 SAFE_FREE(state
->param
);
3260 SAFE_FREE(state
->data
);
3262 END_PROFILE(SMBnttrans
);
3266 DLIST_ADD(conn
->pending_trans
, state
);
3268 /* We need to send an interim response then receive the rest
3269 of the parameter/data bytes */
3270 reply_outbuf(req
, 0, 0);
3271 show_msg((char *)req
->outbuf
);
3272 END_PROFILE(SMBnttrans
);
3277 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3278 SAFE_FREE(state
->data
);
3279 SAFE_FREE(state
->param
);
3281 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3282 END_PROFILE(SMBnttrans
);
3286 /****************************************************************************
3287 Reply to a SMBnttranss
3288 ****************************************************************************/
3290 void reply_nttranss(struct smb_request
*req
)
3292 connection_struct
*conn
= req
->conn
;
3293 uint32_t pcnt
,poff
,dcnt
,doff
,pdisp
,ddisp
;
3294 struct trans_state
*state
;
3296 START_PROFILE(SMBnttranss
);
3298 show_msg((char *)req
->inbuf
);
3300 /* Windows clients expect all replies to
3301 an NT transact secondary (SMBnttranss 0xA1)
3302 to have a command code of NT transact
3303 (SMBnttrans 0xA0). See bug #8989 for details. */
3304 req
->cmd
= SMBnttrans
;
3306 if (req
->wct
< 18) {
3307 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3308 END_PROFILE(SMBnttranss
);
3312 for (state
= conn
->pending_trans
; state
!= NULL
;
3313 state
= state
->next
) {
3314 if (state
->mid
== req
->mid
) {
3319 if ((state
== NULL
) || (state
->cmd
!= SMBnttrans
)) {
3320 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3321 END_PROFILE(SMBnttranss
);
3325 /* Revise state->total_param and state->total_data in case they have
3326 changed downwards */
3327 if (IVAL(req
->vwv
+1, 1) < state
->total_param
) {
3328 state
->total_param
= IVAL(req
->vwv
+1, 1);
3330 if (IVAL(req
->vwv
+3, 1) < state
->total_data
) {
3331 state
->total_data
= IVAL(req
->vwv
+3, 1);
3334 pcnt
= IVAL(req
->vwv
+5, 1);
3335 poff
= IVAL(req
->vwv
+7, 1);
3336 pdisp
= IVAL(req
->vwv
+9, 1);
3338 dcnt
= IVAL(req
->vwv
+11, 1);
3339 doff
= IVAL(req
->vwv
+13, 1);
3340 ddisp
= IVAL(req
->vwv
+15, 1);
3342 state
->received_param
+= pcnt
;
3343 state
->received_data
+= dcnt
;
3345 if ((state
->received_data
> state
->total_data
) ||
3346 (state
->received_param
> state
->total_param
))
3350 if (trans_oob(state
->total_param
, pdisp
, pcnt
)
3351 || trans_oob(smb_len(req
->inbuf
), poff
, pcnt
)) {
3354 memcpy(state
->param
+pdisp
, smb_base(req
->inbuf
)+poff
,pcnt
);
3358 if (trans_oob(state
->total_data
, ddisp
, dcnt
)
3359 || trans_oob(smb_len(req
->inbuf
), doff
, dcnt
)) {
3362 memcpy(state
->data
+ddisp
, smb_base(req
->inbuf
)+doff
,dcnt
);
3365 if ((state
->received_param
< state
->total_param
) ||
3366 (state
->received_data
< state
->total_data
)) {
3367 END_PROFILE(SMBnttranss
);
3371 handle_nttrans(conn
, state
, req
);
3373 DLIST_REMOVE(conn
->pending_trans
, state
);
3374 SAFE_FREE(state
->data
);
3375 SAFE_FREE(state
->param
);
3377 END_PROFILE(SMBnttranss
);
3382 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3383 DLIST_REMOVE(conn
->pending_trans
, state
);
3384 SAFE_FREE(state
->data
);
3385 SAFE_FREE(state
->param
);
3387 reply_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
3388 END_PROFILE(SMBnttranss
);