2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern int smb_read_error
;
25 extern int global_oplock_break
;
26 extern BOOL case_sensitive
;
27 extern BOOL case_preserve
;
28 extern BOOL short_case_preserve
;
30 static const char *known_nt_pipes
[] = {
47 /* Map generic permissions to file object specific permissions */
49 struct generic_mapping file_generic_mapping
= {
56 /****************************************************************************
57 Send the required number of replies back.
58 We assume all fields other than the data fields are
59 set correctly for the type of call.
60 HACK ! Always assumes smb_setup field is zero.
61 ****************************************************************************/
63 static int send_nt_replies(char *inbuf
, char *outbuf
, int bufsize
, NTSTATUS nt_error
, char *params
,
64 int paramsize
, char *pdata
, int datasize
)
67 int data_to_send
= datasize
;
68 int params_to_send
= paramsize
;
72 int params_sent_thistime
, data_sent_thistime
, total_sent_thistime
;
73 int alignment_offset
= 3;
74 int data_alignment_offset
= 0;
77 * Initially set the wcnt area to be 18 - this is true for all
81 set_message(outbuf
,18,0,True
);
83 if (NT_STATUS_V(nt_error
))
87 * If there genuinely are no parameters or data to send just send
91 if(params_to_send
== 0 && data_to_send
== 0) {
92 if (!send_smb(smbd_server_fd(),outbuf
))
93 exit_server("send_nt_replies: send_smb failed.");
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);
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
= bufsize
- ((smb_buf(outbuf
)+
114 alignment_offset
+data_alignment_offset
) -
118 * useable_space can never be more than max_send minus the
122 useable_space
= MIN(useable_space
,
123 max_send
- (alignment_offset
+data_alignment_offset
));
126 while (params_to_send
|| data_to_send
) {
129 * Calculate whether we will totally or partially fill this packet.
132 total_sent_thistime
= params_to_send
+ data_to_send
+
133 alignment_offset
+ data_alignment_offset
;
136 * We can never send more than useable_space.
139 total_sent_thistime
= MIN(total_sent_thistime
, useable_space
);
141 set_message(outbuf
, 18, total_sent_thistime
, True
);
144 * Set total params and data to be sent.
147 SIVAL(outbuf
,smb_ntr_TotalParameterCount
,paramsize
);
148 SIVAL(outbuf
,smb_ntr_TotalDataCount
,datasize
);
151 * Calculate how many parameters and data we can fit into
152 * this packet. Parameters get precedence.
155 params_sent_thistime
= MIN(params_to_send
,useable_space
);
156 data_sent_thistime
= useable_space
- params_sent_thistime
;
157 data_sent_thistime
= MIN(data_sent_thistime
,data_to_send
);
159 SIVAL(outbuf
,smb_ntr_ParameterCount
,params_sent_thistime
);
161 if(params_sent_thistime
== 0) {
162 SIVAL(outbuf
,smb_ntr_ParameterOffset
,0);
163 SIVAL(outbuf
,smb_ntr_ParameterDisplacement
,0);
166 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
167 * parameter bytes, however the first 4 bytes of outbuf are
168 * the Netbios over TCP header. Thus use smb_base() to subtract
169 * them from the calculation.
172 SIVAL(outbuf
,smb_ntr_ParameterOffset
,
173 ((smb_buf(outbuf
)+alignment_offset
) - smb_base(outbuf
)));
175 * Absolute displacement of param bytes sent in this packet.
178 SIVAL(outbuf
,smb_ntr_ParameterDisplacement
,pp
- params
);
182 * Deal with the data portion.
185 SIVAL(outbuf
,smb_ntr_DataCount
, data_sent_thistime
);
187 if(data_sent_thistime
== 0) {
188 SIVAL(outbuf
,smb_ntr_DataOffset
,0);
189 SIVAL(outbuf
,smb_ntr_DataDisplacement
, 0);
192 * The offset of the data bytes is the offset of the
193 * parameter bytes plus the number of parameters being sent this time.
196 SIVAL(outbuf
,smb_ntr_DataOffset
,((smb_buf(outbuf
)+alignment_offset
) -
197 smb_base(outbuf
)) + params_sent_thistime
+ data_alignment_offset
);
198 SIVAL(outbuf
,smb_ntr_DataDisplacement
, pd
- pdata
);
202 * Copy the param bytes into the packet.
205 if(params_sent_thistime
)
206 memcpy((smb_buf(outbuf
)+alignment_offset
),pp
,params_sent_thistime
);
209 * Copy in the data bytes
212 if(data_sent_thistime
)
213 memcpy(smb_buf(outbuf
)+alignment_offset
+params_sent_thistime
+
214 data_alignment_offset
,pd
,data_sent_thistime
);
216 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
217 params_sent_thistime
, data_sent_thistime
, useable_space
));
218 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
219 params_to_send
, data_to_send
, paramsize
, datasize
));
221 /* Send the packet */
222 if (!send_smb(smbd_server_fd(),outbuf
))
223 exit_server("send_nt_replies: send_smb failed.");
225 pp
+= params_sent_thistime
;
226 pd
+= data_sent_thistime
;
228 params_to_send
-= params_sent_thistime
;
229 data_to_send
-= data_sent_thistime
;
235 if(params_to_send
< 0 || data_to_send
< 0) {
236 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
237 params_to_send
, data_to_send
));
245 /****************************************************************************
247 ****************************************************************************/
249 static BOOL saved_case_sensitive
;
250 static BOOL saved_case_preserve
;
251 static BOOL saved_short_case_preserve
;
253 /****************************************************************************
255 ****************************************************************************/
257 static void set_posix_case_semantics(uint32 file_attributes
)
259 if(!(file_attributes
& FILE_FLAG_POSIX_SEMANTICS
))
262 saved_case_sensitive
= case_sensitive
;
263 saved_case_preserve
= case_preserve
;
264 saved_short_case_preserve
= short_case_preserve
;
267 case_sensitive
= True
;
268 case_preserve
= True
;
269 short_case_preserve
= True
;
272 /****************************************************************************
273 Restore case semantics.
274 ****************************************************************************/
276 static void restore_case_semantics(uint32 file_attributes
)
278 if(!(file_attributes
& FILE_FLAG_POSIX_SEMANTICS
))
281 case_sensitive
= saved_case_sensitive
;
282 case_preserve
= saved_case_preserve
;
283 short_case_preserve
= saved_short_case_preserve
;
286 /****************************************************************************
287 Utility function to map create disposition.
288 ****************************************************************************/
290 static int map_create_disposition( uint32 create_disposition
)
294 switch( create_disposition
) {
296 /* create if not exist, fail if exist */
297 ret
= (FILE_CREATE_IF_NOT_EXIST
|FILE_EXISTS_FAIL
);
300 case FILE_OVERWRITE_IF
:
301 /* create if not exist, trunc if exist */
302 ret
= (FILE_CREATE_IF_NOT_EXIST
|FILE_EXISTS_TRUNCATE
);
305 /* fail if not exist, open if exists */
306 ret
= (FILE_FAIL_IF_NOT_EXIST
|FILE_EXISTS_OPEN
);
309 /* create if not exist, open if exists */
310 ret
= (FILE_CREATE_IF_NOT_EXIST
|FILE_EXISTS_OPEN
);
313 /* fail if not exist, truncate if exists */
314 ret
= (FILE_FAIL_IF_NOT_EXIST
|FILE_EXISTS_TRUNCATE
);
317 DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
318 create_disposition
));
322 DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
323 (unsigned long)create_disposition
, ret
));
328 /****************************************************************************
329 Utility function to map share modes.
330 ****************************************************************************/
332 static int map_share_mode( char *fname
, uint32 create_options
,
333 uint32
*desired_access
, uint32 share_access
, uint32 file_attributes
)
335 int smb_open_mode
= -1;
338 * Convert GENERIC bits to specific bits.
341 se_map_generic(desired_access
, &file_generic_mapping
);
343 switch( *desired_access
& (FILE_READ_DATA
|FILE_WRITE_DATA
|FILE_APPEND_DATA
) ) {
345 smb_open_mode
= DOS_OPEN_RDONLY
;
347 case FILE_WRITE_DATA
:
348 case FILE_APPEND_DATA
:
349 case FILE_WRITE_DATA
|FILE_APPEND_DATA
:
350 smb_open_mode
= DOS_OPEN_WRONLY
;
352 case FILE_READ_DATA
|FILE_WRITE_DATA
:
353 case FILE_READ_DATA
|FILE_WRITE_DATA
|FILE_APPEND_DATA
:
354 case FILE_READ_DATA
|FILE_APPEND_DATA
:
355 smb_open_mode
= DOS_OPEN_RDWR
;
360 * NB. For DELETE_ACCESS we should really check the
361 * directory permissions, as that is what controls
362 * delete, and for WRITE_DAC_ACCESS we should really
363 * check the ownership, as that is what controls the
364 * chmod. Note that this is *NOT* a security hole (this
365 * note is for you, Andrew) as we are not *allowing*
366 * the access at this point, the actual unlink or
367 * chown or chmod call would do this. We are just helping
368 * clients out by telling them if they have a hope
369 * of any of this succeeding. POSIX acls may still
370 * deny the real call. JRA.
373 if (smb_open_mode
== -1) {
375 if(*desired_access
& (DELETE_ACCESS
|WRITE_DAC_ACCESS
|WRITE_OWNER_ACCESS
|SYNCHRONIZE_ACCESS
|
376 FILE_EXECUTE
|FILE_READ_ATTRIBUTES
|
377 FILE_READ_EA
|FILE_WRITE_EA
|SYSTEM_SECURITY_ACCESS
|
378 FILE_WRITE_ATTRIBUTES
|READ_CONTROL_ACCESS
)) {
379 smb_open_mode
= DOS_OPEN_RDONLY
;
380 } else if(*desired_access
== 0) {
383 * JRA - NT seems to sometimes send desired_access as zero. play it safe
384 * and map to a stat open.
387 smb_open_mode
= DOS_OPEN_RDONLY
;
390 DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
391 (unsigned long)*desired_access
, fname
));
397 * Set the special bit that means allow share delete.
398 * This is held outside the normal share mode bits at 1<<15.
402 if(share_access
& FILE_SHARE_DELETE
) {
403 smb_open_mode
|= ALLOW_SHARE_DELETE
;
404 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode
));
408 * We need to store the intent to open for Delete. This
409 * is what determines if a delete on close flag can be set.
410 * This is the wrong way (and place) to store this, but for 2.2 this
411 * is the only practical way. JRA.
414 if(*desired_access
& DELETE_ACCESS
) {
415 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode
));
418 if (create_options
& FILE_DELETE_ON_CLOSE
) {
419 /* Implicit delete access is *NOT* requested... */
420 smb_open_mode
|= DELETE_ON_CLOSE_FLAG
;
421 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode
));
424 /* Add in the requested share mode. */
425 switch( share_access
& (FILE_SHARE_READ
|FILE_SHARE_WRITE
)) {
426 case FILE_SHARE_READ
:
427 smb_open_mode
|= SET_DENY_MODE(DENY_WRITE
);
429 case FILE_SHARE_WRITE
:
430 smb_open_mode
|= SET_DENY_MODE(DENY_READ
);
432 case (FILE_SHARE_READ
|FILE_SHARE_WRITE
):
433 smb_open_mode
|= SET_DENY_MODE(DENY_NONE
);
435 case FILE_SHARE_NONE
:
436 smb_open_mode
|= SET_DENY_MODE(DENY_ALL
);
441 * Handle an O_SYNC request.
444 if(file_attributes
& FILE_FLAG_WRITE_THROUGH
)
445 smb_open_mode
|= FILE_SYNC_OPENMODE
;
447 DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
448 to open_mode 0x%x\n", (unsigned long)*desired_access
, (unsigned long)share_access
,
449 (unsigned long)file_attributes
, smb_open_mode
));
451 return smb_open_mode
;
454 /****************************************************************************
455 Reply to an NT create and X call on a pipe.
456 ****************************************************************************/
458 static int nt_open_pipe(char *fname
, connection_struct
*conn
,
459 char *inbuf
, char *outbuf
, int *ppnum
)
461 smb_np_struct
*p
= NULL
;
463 uint16 vuid
= SVAL(inbuf
, smb_uid
);
466 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname
));
468 /* See if it is one we want to handle. */
470 if (lp_disable_spoolss() && strequal(fname
, "\\spoolss"))
471 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND
,ERRDOS
,ERRbadpipe
));
473 for( i
= 0; known_nt_pipes
[i
]; i
++ )
474 if( strequal(fname
,known_nt_pipes
[i
]))
477 if ( known_nt_pipes
[i
] == NULL
)
478 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND
,ERRDOS
,ERRbadpipe
));
480 /* Strip \\ off the name. */
483 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname
));
485 p
= open_rpc_pipe_p(fname
, conn
, vuid
);
487 return(ERROR_DOS(ERRSRV
,ERRnofids
));
494 /****************************************************************************
495 Reply to an NT create and X call for pipes.
496 ****************************************************************************/
498 static int do_ntcreate_pipe_open(connection_struct
*conn
,
499 char *inbuf
,char *outbuf
,int length
,int bufsize
)
506 srvstr_pull_buf(inbuf
, fname
, smb_buf(inbuf
), sizeof(fname
), STR_TERMINATE
);
508 if ((ret
= nt_open_pipe(fname
, conn
, inbuf
, outbuf
, &pnum
)) != 0)
512 * Deal with pipe return.
515 set_message(outbuf
,34,0,True
);
517 p
= outbuf
+ smb_vwv2
;
521 SIVAL(p
,0,FILE_WAS_OPENED
);
524 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
527 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
529 SSVAL(p
,2, 0x5FF); /* ? */
531 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname
));
533 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
536 /****************************************************************************
537 Reply to an NT create and X call.
538 ****************************************************************************/
540 int reply_ntcreate_and_X(connection_struct
*conn
,
541 char *inbuf
,char *outbuf
,int length
,int bufsize
)
545 uint32 flags
= IVAL(inbuf
,smb_ntcreate_Flags
);
546 uint32 desired_access
= IVAL(inbuf
,smb_ntcreate_DesiredAccess
);
547 uint32 file_attributes
= IVAL(inbuf
,smb_ntcreate_FileAttributes
);
548 uint32 share_access
= IVAL(inbuf
,smb_ntcreate_ShareAccess
);
549 uint32 create_disposition
= IVAL(inbuf
,smb_ntcreate_CreateDisposition
);
550 uint32 create_options
= IVAL(inbuf
,smb_ntcreate_CreateOptions
);
551 uint16 root_dir_fid
= (uint16
)IVAL(inbuf
,smb_ntcreate_RootDirectoryFid
);
552 SMB_BIG_UINT allocation_size
= 0;
555 int smb_attr
= (file_attributes
& SAMBA_ATTRIBUTES_MASK
);
556 /* Breakout the oplock request bits so we can set the
557 reply bits separately. */
558 int oplock_request
= 0;
561 SMB_OFF_T file_len
= 0;
562 SMB_STRUCT_STAT sbuf
;
564 BOOL bad_path
= False
;
565 files_struct
*fsp
=NULL
;
568 BOOL extended_oplock_granted
= False
;
570 START_PROFILE(SMBntcreateX
);
572 DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
573 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
574 create_options = 0x%x root_dir_fid = 0x%x\n", flags
, desired_access
, file_attributes
,
575 share_access
, create_disposition
,
576 create_options
, root_dir_fid
));
578 /* If it's an IPC, use the pipe handler. */
581 if (lp_nt_pipe_support()) {
582 END_PROFILE(SMBntcreateX
);
583 return do_ntcreate_pipe_open(conn
,inbuf
,outbuf
,length
,bufsize
);
585 END_PROFILE(SMBntcreateX
);
586 return(ERROR_DOS(ERRDOS
,ERRnoaccess
));
590 if (create_options
& FILE_OPEN_BY_FILE_ID
) {
591 END_PROFILE(SMBntcreateX
);
592 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
596 * We need to construct the open_and_X ofun value from the
597 * NT values, as that's what our code is structured to accept.
600 if((smb_ofun
= map_create_disposition( create_disposition
)) == -1) {
601 END_PROFILE(SMBntcreateX
);
602 return(ERROR_DOS(ERRDOS
,ERRnoaccess
));
609 if(root_dir_fid
!= 0) {
611 * This filename is relative to a directory fid.
613 files_struct
*dir_fsp
= file_fsp(inbuf
,smb_ntcreate_RootDirectoryFid
);
617 END_PROFILE(SMBntcreateX
);
618 return(ERROR_DOS(ERRDOS
,ERRbadfid
));
621 if(!dir_fsp
->is_directory
) {
623 srvstr_pull_buf(inbuf
, fname
, smb_buf(inbuf
), sizeof(fname
), STR_TERMINATE
);
626 * Check to see if this is a mac fork of some kind.
629 if( strchr_m(fname
, ':')) {
630 END_PROFILE(SMBntcreateX
);
631 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND
);
636 we need to handle the case when we get a
637 relative open relative to a file and the
638 pathname is blank - this is a reopen!
639 (hint from demyn plantenberg)
643 END_PROFILE(SMBntcreateX
);
644 return(ERROR_DOS(ERRDOS
,ERRbadfid
));
648 * Copy in the base directory name.
651 pstrcpy( fname
, dir_fsp
->fsp_name
);
652 dir_name_len
= strlen(fname
);
655 * Ensure it ends in a '\'.
658 if(fname
[dir_name_len
-1] != '\\' && fname
[dir_name_len
-1] != '/') {
659 pstrcat(fname
, "\\");
663 srvstr_pull_buf(inbuf
, &fname
[dir_name_len
], smb_buf(inbuf
), sizeof(fname
)-dir_name_len
, STR_TERMINATE
);
665 srvstr_pull_buf(inbuf
, fname
, smb_buf(inbuf
), sizeof(fname
), STR_TERMINATE
);
668 * Check to see if this is a mac fork of some kind.
671 if( strchr_m(fname
, ':')) {
672 END_PROFILE(SMBntcreateX
);
673 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND
);
678 * Now contruct the smb_open_mode value from the filename,
679 * desired access and the share access.
681 RESOLVE_DFSPATH(fname
, conn
, inbuf
, outbuf
);
683 if((smb_open_mode
= map_share_mode(fname
, create_options
, &desired_access
,
685 file_attributes
)) == -1) {
686 END_PROFILE(SMBntcreateX
);
687 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
690 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
691 if (oplock_request
) {
692 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
) ? BATCH_OPLOCK
: 0;
696 * Ordinary file or directory.
700 * Check if POSIX semantics are wanted.
703 set_posix_case_semantics(file_attributes
);
705 unix_convert(fname
,conn
,0,&bad_path
,&sbuf
);
707 unixmode
= unix_mode(conn
,smb_attr
| aARCH
, fname
);
710 * If it's a request for a directory open, deal with it separately.
713 if(create_options
& FILE_DIRECTORY_FILE
) {
716 /* Can't open a temp directory. IFS kit test. */
717 if (file_attributes
& FILE_ATTRIBUTE_TEMPORARY
) {
718 END_PROFILE(SMBntcreateX
);
719 return ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
722 fsp
= open_directory(conn
, fname
, &sbuf
, desired_access
, smb_open_mode
, smb_ofun
, unixmode
, &smb_action
);
724 restore_case_semantics(file_attributes
);
727 set_bad_path_error(errno
, bad_path
);
728 END_PROFILE(SMBntcreateX
);
729 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
733 * Ordinary file case.
736 /* NB. We have a potential bug here. If we
737 * cause an oplock break to ourselves, then we
738 * could end up processing filename related
739 * SMB requests whilst we await the oplock
740 * break response. As we may have changed the
741 * filename case semantics to be POSIX-like,
742 * this could mean a filename request could
743 * fail when it should succeed. This is a rare
744 * condition, but eventually we must arrange
745 * to restore the correct case semantics
746 * before issuing an oplock break request to
747 * our client. JRA. */
749 fsp
= open_file_shared1(conn
,fname
,&sbuf
,
752 smb_ofun
,unixmode
, oplock_request
,
756 /* We cheat here. There are two cases we
757 * care about. One is a directory rename,
758 * where the NT client will attempt to
759 * open the source directory for
760 * DELETE access. Note that when the
761 * NT client does this it does *not*
762 * set the directory bit in the
763 * request packet. This is translated
764 * into a read/write open
765 * request. POSIX states that any open
766 * for write request on a directory
767 * will generate an EISDIR error, so
768 * we can catch this here and open a
769 * pseudo handle that is flagged as a
770 * directory. The second is an open
771 * for a permissions read only, which
772 * we handle in the open_file_stat case. JRA.
775 if(errno
== EISDIR
) {
778 * Fail the open if it was explicitly a non-directory file.
781 if (create_options
& FILE_NON_DIRECTORY_FILE
) {
782 restore_case_semantics(file_attributes
);
783 SSVAL(outbuf
, smb_flg2
,
784 SVAL(outbuf
,smb_flg2
) | FLAGS2_32_BIT_ERROR_CODES
);
785 END_PROFILE(SMBntcreateX
);
786 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY
);
790 fsp
= open_directory(conn
, fname
, &sbuf
, desired_access
, smb_open_mode
, smb_ofun
, unixmode
, &smb_action
);
793 restore_case_semantics(file_attributes
);
794 set_bad_path_error(errno
, bad_path
);
795 END_PROFILE(SMBntcreateX
);
796 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
800 restore_case_semantics(file_attributes
);
801 set_bad_path_error(errno
, bad_path
);
802 END_PROFILE(SMBntcreateX
);
803 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
808 restore_case_semantics(file_attributes
);
810 file_len
= sbuf
.st_size
;
811 fmode
= dos_mode(conn
,fname
,&sbuf
);
813 fmode
= FILE_ATTRIBUTE_NORMAL
;
814 if (!fsp
->is_directory
&& (fmode
& aDIR
)) {
815 close_file(fsp
,False
);
816 END_PROFILE(SMBntcreateX
);
817 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
820 /* Save the requested allocation size. */
821 allocation_size
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_ntcreate_AllocationSize
);
822 #ifdef LARGE_SMB_OFF_T
823 allocation_size
|= (((SMB_BIG_UINT
)IVAL(inbuf
,smb_ntcreate_AllocationSize
+ 4)) << 32);
825 if (allocation_size
&& (allocation_size
> (SMB_BIG_UINT
)file_len
)) {
826 fsp
->initial_allocation_size
= SMB_ROUNDUP(allocation_size
,SMB_ROUNDUP_ALLOCATION_SIZE
);
827 if (vfs_allocate_file_space(fsp
, fsp
->initial_allocation_size
) == -1) {
828 close_file(fsp
,False
);
829 END_PROFILE(SMBntcreateX
);
830 return ERROR_NT(NT_STATUS_DISK_FULL
);
833 fsp
->initial_allocation_size
= SMB_ROUNDUP(((SMB_BIG_UINT
)file_len
),SMB_ROUNDUP_ALLOCATION_SIZE
);
837 * If the caller set the extended oplock request bit
838 * and we granted one (by whatever means) - set the
839 * correct bit for extended oplock reply.
842 if (oplock_request
&& lp_fake_oplocks(SNUM(conn
)))
843 extended_oplock_granted
= True
;
845 if(oplock_request
&& EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))
846 extended_oplock_granted
= True
;
849 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
850 set_message(outbuf
,42,0,True
);
852 set_message(outbuf
,34,0,True
);
855 p
= outbuf
+ smb_vwv2
;
858 * Currently as we don't support level II oplocks we just report
859 * exclusive & batch here.
862 if (extended_oplock_granted
) {
863 if (flags
& REQUEST_BATCH_OPLOCK
) {
864 SCVAL(p
,0, BATCH_OPLOCK_RETURN
);
866 SCVAL(p
,0, EXCLUSIVE_OPLOCK_RETURN
);
868 } else if (LEVEL_II_OPLOCK_TYPE(fsp
->oplock_type
)) {
869 SCVAL(p
,0, LEVEL_II_OPLOCK_RETURN
);
871 SCVAL(p
,0,NO_OPLOCK_RETURN
);
875 SSVAL(p
,0,fsp
->fnum
);
877 if ((create_disposition
== FILE_SUPERSEDE
) && (smb_action
== FILE_WAS_OVERWRITTEN
))
878 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
880 SIVAL(p
,0,smb_action
);
884 c_time
= get_create_time(&sbuf
,lp_fake_dir_create_times(SNUM(conn
)));
886 if (lp_dos_filetime_resolution(SNUM(conn
))) {
893 put_long_date(p
,c_time
);
895 put_long_date(p
,sbuf
.st_atime
); /* access time */
897 put_long_date(p
,sbuf
.st_mtime
); /* write time */
899 put_long_date(p
,sbuf
.st_mtime
); /* change time */
901 SIVAL(p
,0,fmode
); /* File Attributes. */
903 SOFF_T(p
, 0, get_allocation_size(fsp
,&sbuf
));
905 SOFF_T(p
,0,file_len
);
907 SCVAL(p
,0,fsp
->is_directory
? 1 : 0);
909 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp
->fnum
, fsp
->fsp_name
));
911 result
= chain_reply(inbuf
,outbuf
,length
,bufsize
);
912 END_PROFILE(SMBntcreateX
);
916 /****************************************************************************
917 Reply to a NT_TRANSACT_CREATE call to open a pipe.
918 ****************************************************************************/
920 static int do_nt_transact_create_pipe( connection_struct
*conn
,
921 char *inbuf
, char *outbuf
, int length
,
922 int bufsize
, char **ppsetup
, char **ppparams
,
926 int total_parameter_count
= (int)IVAL(inbuf
, smb_nt_TotalParameterCount
);
927 char *params
= *ppparams
;
933 * Ensure minimum number of parameters sent.
936 if(total_parameter_count
< 54) {
937 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count
));
938 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
941 srvstr_pull(inbuf
, fname
, params
+53, sizeof(fname
), total_parameter_count
-53, STR_TERMINATE
);
943 if ((ret
= nt_open_pipe(fname
, conn
, inbuf
, outbuf
, &pnum
)) != 0)
946 /* Realloc the size of parameters and data we will return */
947 params
= Realloc(*ppparams
, 69);
949 return ERROR_DOS(ERRDOS
,ERRnomem
);
953 memset((char *)params
,'\0',69);
956 SCVAL(p
,0,NO_OPLOCK_RETURN
);
961 SIVAL(p
,0,FILE_WAS_OPENED
);
965 SIVAL(p
,0,FILE_ATTRIBUTE_NORMAL
); /* File Attributes. */
968 SSVAL(p
,0,FILE_TYPE_MESSAGE_MODE_PIPE
);
970 SSVAL(p
,2, 0x5FF); /* ? */
972 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname
));
974 /* Send the required number of replies */
975 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, params
, 69, *ppdata
, 0);
980 /****************************************************************************
981 Internal fn to set security descriptors.
982 ****************************************************************************/
984 static NTSTATUS
set_sd(files_struct
*fsp
, char *data
, uint32 sd_len
, uint32 security_info_sent
)
987 SEC_DESC
*psd
= NULL
;
996 * Init the parse struct we will unmarshall from.
999 if ((mem_ctx
= talloc_init("set_sd")) == NULL
) {
1000 DEBUG(0,("set_sd: talloc_init failed.\n"));
1001 return NT_STATUS_NO_MEMORY
;
1004 prs_init(&pd
, 0, mem_ctx
, UNMARSHALL
);
1007 * Setup the prs_struct to point at the memory we just
1011 prs_give_memory( &pd
, data
, sd_len
, False
);
1014 * Finally, unmarshall from the data buffer.
1017 if(!sec_io_desc( "sd data", &psd
, &pd
, 1)) {
1018 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1020 * Return access denied for want of a better error message..
1022 talloc_destroy(mem_ctx
);
1023 return NT_STATUS_NO_MEMORY
;
1026 if (psd
->off_owner_sid
==0)
1027 security_info_sent
&= ~OWNER_SECURITY_INFORMATION
;
1028 if (psd
->off_grp_sid
==0)
1029 security_info_sent
&= ~GROUP_SECURITY_INFORMATION
;
1030 if (psd
->off_sacl
==0)
1031 security_info_sent
&= ~SACL_SECURITY_INFORMATION
;
1032 if (psd
->off_dacl
==0)
1033 security_info_sent
&= ~DACL_SECURITY_INFORMATION
;
1035 ret
= fsp
->conn
->vfs_ops
.fset_nt_acl( fsp
, fsp
->fd
, security_info_sent
, psd
);
1038 talloc_destroy(mem_ctx
);
1039 return NT_STATUS_ACCESS_DENIED
;
1042 talloc_destroy(mem_ctx
);
1044 return NT_STATUS_OK
;
1047 /****************************************************************************
1048 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1049 ****************************************************************************/
1051 static int call_nt_transact_create(connection_struct
*conn
,
1052 char *inbuf
, char *outbuf
, int length
,
1053 int bufsize
, char **ppsetup
, char **ppparams
,
1057 char *params
= *ppparams
;
1058 char *data
= *ppdata
;
1059 int total_parameter_count
= (int)IVAL(inbuf
, smb_nt_TotalParameterCount
);
1060 /* Breakout the oplock request bits so we can set the reply bits separately. */
1061 int oplock_request
= 0;
1063 int fmode
=0,rmode
=0;
1064 SMB_OFF_T file_len
= 0;
1065 SMB_STRUCT_STAT sbuf
;
1067 BOOL bad_path
= False
;
1068 files_struct
*fsp
= NULL
;
1070 BOOL extended_oplock_granted
= False
;
1072 uint32 desired_access
;
1073 uint32 file_attributes
;
1074 uint32 share_access
;
1075 uint32 create_disposition
;
1076 uint32 create_options
;
1078 uint16 root_dir_fid
;
1079 SMB_BIG_UINT allocation_size
= 0;
1086 DEBUG(5,("call_nt_transact_create\n"));
1089 * If it's an IPC, use the pipe handler.
1093 if (lp_nt_pipe_support())
1094 return do_nt_transact_create_pipe(conn
, inbuf
, outbuf
, length
,
1095 bufsize
, ppsetup
, ppparams
, ppdata
);
1097 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1101 * Ensure minimum number of parameters sent.
1104 if(total_parameter_count
< 54) {
1105 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count
));
1106 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1109 flags
= IVAL(params
,0);
1110 desired_access
= IVAL(params
,8);
1111 file_attributes
= IVAL(params
,20);
1112 share_access
= IVAL(params
,24);
1113 create_disposition
= IVAL(params
,28);
1114 create_options
= IVAL(params
,32);
1115 sd_len
= IVAL(params
,36);
1116 root_dir_fid
= (uint16
)IVAL(params
,4);
1117 smb_attr
= (file_attributes
& SAMBA_ATTRIBUTES_MASK
);
1119 if (create_options
& FILE_OPEN_BY_FILE_ID
) {
1120 END_PROFILE(SMBntcreateX
);
1121 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
1125 * We need to construct the open_and_X ofun value from the
1126 * NT values, as that's what our code is structured to accept.
1129 if((smb_ofun
= map_create_disposition( create_disposition
)) == -1)
1130 return ERROR_DOS(ERRDOS
,ERRbadmem
);
1133 * Get the file name.
1136 if(root_dir_fid
!= 0) {
1138 * This filename is relative to a directory fid.
1141 files_struct
*dir_fsp
= file_fsp(params
,4);
1142 size_t dir_name_len
;
1145 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1147 if(!dir_fsp
->is_directory
) {
1149 srvstr_pull(inbuf
, fname
, params
+53, sizeof(fname
), total_parameter_count
-53, STR_TERMINATE
);
1152 * Check to see if this is a mac fork of some kind.
1155 if( strchr_m(fname
, ':'))
1156 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND
);
1158 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1162 * Copy in the base directory name.
1165 pstrcpy( fname
, dir_fsp
->fsp_name
);
1166 dir_name_len
= strlen(fname
);
1169 * Ensure it ends in a '\'.
1172 if((fname
[dir_name_len
-1] != '\\') && (fname
[dir_name_len
-1] != '/')) {
1173 pstrcat(fname
, "\\");
1177 srvstr_pull(inbuf
, &fname
[dir_name_len
], params
+53, sizeof(fname
)-dir_name_len
,
1178 total_parameter_count
-53, STR_TERMINATE
);
1180 srvstr_pull(inbuf
, fname
, params
+53, sizeof(fname
), total_parameter_count
-53, STR_TERMINATE
);
1183 * Check to see if this is a mac fork of some kind.
1186 if( strchr_m(fname
, ':'))
1187 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND
);
1191 * Now contruct the smb_open_mode value from the desired access
1192 * and the share access.
1195 if((smb_open_mode
= map_share_mode( fname
, create_options
, &desired_access
,
1196 share_access
, file_attributes
)) == -1)
1197 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1199 oplock_request
= (flags
& REQUEST_OPLOCK
) ? EXCLUSIVE_OPLOCK
: 0;
1200 oplock_request
|= (flags
& REQUEST_BATCH_OPLOCK
) ? BATCH_OPLOCK
: 0;
1203 * Check if POSIX semantics are wanted.
1206 set_posix_case_semantics(file_attributes
);
1208 RESOLVE_DFSPATH(fname
, conn
, inbuf
, outbuf
);
1210 unix_convert(fname
,conn
,0,&bad_path
,&sbuf
);
1212 unixmode
= unix_mode(conn
,smb_attr
| aARCH
, fname
);
1215 * If it's a request for a directory open, deal with it separately.
1218 if(create_options
& FILE_DIRECTORY_FILE
) {
1220 /* Can't open a temp directory. IFS kit test. */
1221 if (file_attributes
& FILE_ATTRIBUTE_TEMPORARY
) {
1222 END_PROFILE(SMBntcreateX
);
1223 return ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
1229 * We will get a create directory here if the Win32
1230 * app specified a security descriptor in the
1231 * CreateDirectory() call.
1234 fsp
= open_directory(conn
, fname
, &sbuf
, desired_access
, smb_open_mode
, smb_ofun
, unixmode
, &smb_action
);
1237 restore_case_semantics(file_attributes
);
1238 set_bad_path_error(errno
, bad_path
);
1239 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1245 * Ordinary file case.
1248 fsp
= open_file_shared1(conn
,fname
,&sbuf
,desired_access
,
1249 smb_open_mode
,smb_ofun
,unixmode
,
1250 oplock_request
,&rmode
,&smb_action
);
1254 if(errno
== EISDIR
) {
1257 * Fail the open if it was explicitly a non-directory file.
1260 if (create_options
& FILE_NON_DIRECTORY_FILE
) {
1261 restore_case_semantics(file_attributes
);
1262 SSVAL(outbuf
, smb_flg2
, SVAL(outbuf
,smb_flg2
) | FLAGS2_32_BIT_ERROR_CODES
);
1263 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY
);
1267 fsp
= open_directory(conn
, fname
, &sbuf
, desired_access
, smb_open_mode
, smb_ofun
, unixmode
, &smb_action
);
1270 restore_case_semantics(file_attributes
);
1271 set_bad_path_error(errno
, bad_path
);
1272 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1275 restore_case_semantics(file_attributes
);
1276 set_bad_path_error(errno
, bad_path
);
1277 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1281 file_len
= sbuf
.st_size
;
1282 fmode
= dos_mode(conn
,fname
,&sbuf
);
1284 fmode
= FILE_ATTRIBUTE_NORMAL
;
1287 close_file(fsp
,False
);
1288 restore_case_semantics(file_attributes
);
1289 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1293 * If the caller set the extended oplock request bit
1294 * and we granted one (by whatever means) - set the
1295 * correct bit for extended oplock reply.
1298 if (oplock_request
&& lp_fake_oplocks(SNUM(conn
)))
1299 extended_oplock_granted
= True
;
1301 if(oplock_request
&& EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
))
1302 extended_oplock_granted
= True
;
1306 * Now try and apply the desired SD.
1309 if (sd_len
&& !NT_STATUS_IS_OK(nt_status
= set_sd( fsp
, data
, sd_len
, ALL_SECURITY_INFORMATION
))) {
1310 close_file(fsp
,False
);
1311 restore_case_semantics(file_attributes
);
1312 return ERROR_NT(nt_status
);
1315 restore_case_semantics(file_attributes
);
1317 /* Save the requested allocation size. */
1318 allocation_size
= (SMB_BIG_UINT
)IVAL(params
,12);
1319 #ifdef LARGE_SMB_OFF_T
1320 allocation_size
|= (((SMB_BIG_UINT
)IVAL(params
,16)) << 32);
1322 if (allocation_size
&& (allocation_size
> file_len
)) {
1323 fsp
->initial_allocation_size
= SMB_ROUNDUP(allocation_size
,SMB_ROUNDUP_ALLOCATION_SIZE
);
1324 if (vfs_allocate_file_space(fsp
, fsp
->initial_allocation_size
) == -1) {
1325 close_file(fsp
,False
);
1326 END_PROFILE(SMBntcreateX
);
1327 return ERROR_NT(NT_STATUS_DISK_FULL
);
1330 fsp
->initial_allocation_size
= SMB_ROUNDUP(((SMB_BIG_UINT
)file_len
),SMB_ROUNDUP_ALLOCATION_SIZE
);
1333 /* Realloc the size of parameters and data we will return */
1334 params
= Realloc(*ppparams
, 69);
1336 return ERROR_DOS(ERRDOS
,ERRnomem
);
1340 memset((char *)params
,'\0',69);
1343 if (extended_oplock_granted
)
1344 SCVAL(p
,0, BATCH_OPLOCK_RETURN
);
1345 else if (LEVEL_II_OPLOCK_TYPE(fsp
->oplock_type
))
1346 SCVAL(p
,0, LEVEL_II_OPLOCK_RETURN
);
1348 SCVAL(p
,0,NO_OPLOCK_RETURN
);
1351 SSVAL(p
,0,fsp
->fnum
);
1353 if ((create_disposition
== FILE_SUPERSEDE
) && (smb_action
== FILE_WAS_OVERWRITTEN
))
1354 SIVAL(p
,0,FILE_WAS_SUPERSEDED
);
1356 SIVAL(p
,0,smb_action
);
1360 c_time
= get_create_time(&sbuf
,lp_fake_dir_create_times(SNUM(conn
)));
1362 if (lp_dos_filetime_resolution(SNUM(conn
))) {
1364 sbuf
.st_atime
&= ~1;
1365 sbuf
.st_mtime
&= ~1;
1366 sbuf
.st_mtime
&= ~1;
1369 put_long_date(p
,c_time
);
1371 put_long_date(p
,sbuf
.st_atime
); /* access time */
1373 put_long_date(p
,sbuf
.st_mtime
); /* write time */
1375 put_long_date(p
,sbuf
.st_mtime
); /* change time */
1377 SIVAL(p
,0,fmode
); /* File Attributes. */
1379 SOFF_T(p
, 0, get_allocation_size(fsp
,&sbuf
));
1381 SOFF_T(p
,0,file_len
);
1383 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname
));
1385 /* Send the required number of replies */
1386 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, params
, 69, *ppdata
, 0);
1391 /****************************************************************************
1392 Reply to a NT CANCEL request.
1393 ****************************************************************************/
1395 int reply_ntcancel(connection_struct
*conn
,
1396 char *inbuf
,char *outbuf
,int length
,int bufsize
)
1399 * Go through and cancel any pending change notifies.
1402 int mid
= SVAL(inbuf
,smb_mid
);
1403 START_PROFILE(SMBntcancel
);
1404 remove_pending_change_notify_requests_by_mid(mid
);
1405 remove_pending_lock_requests_by_mid(mid
);
1407 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid
));
1409 END_PROFILE(SMBntcancel
);
1413 /****************************************************************************
1414 Reply to an unsolicited SMBNTtranss - just ignore it!
1415 ****************************************************************************/
1417 int reply_nttranss(connection_struct
*conn
,
1418 char *inbuf
,char *outbuf
,int length
,int bufsize
)
1420 START_PROFILE(SMBnttranss
);
1421 DEBUG(4,("Ignoring nttranss of length %d\n",length
));
1422 END_PROFILE(SMBnttranss
);
1426 /****************************************************************************
1427 Reply to a notify change - queue the request and
1428 don't allow a directory to be opened.
1429 ****************************************************************************/
1431 static int call_nt_transact_notify_change(connection_struct
*conn
,
1432 char *inbuf
, char *outbuf
, int length
,
1435 char **ppparams
, char **ppdata
)
1437 char *setup
= *ppsetup
;
1441 fsp
= file_fsp(setup
,4);
1442 flags
= IVAL(setup
, 0);
1444 DEBUG(3,("call_nt_transact_notify_change\n"));
1447 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1449 if((!fsp
->is_directory
) || (conn
!= fsp
->conn
))
1450 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1452 if (!change_notify_set(inbuf
, fsp
, conn
, flags
))
1453 return(UNIXERROR(ERRDOS
,ERRbadfid
));
1455 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1456 name = %s\n", fsp
->fsp_name
));
1461 /****************************************************************************
1462 Reply to an NT transact rename command.
1463 ****************************************************************************/
1465 static int call_nt_transact_rename(connection_struct
*conn
,
1466 char *inbuf
, char *outbuf
, int length
,
1468 char **ppsetup
, char **ppparams
, char **ppdata
)
1470 char *params
= *ppparams
;
1472 files_struct
*fsp
= file_fsp(params
, 0);
1473 BOOL replace_if_exists
= (SVAL(params
,2) & RENAME_REPLACE_IF_EXISTS
) ? True
: False
;
1476 CHECK_FSP(fsp
, conn
);
1477 srvstr_pull(inbuf
, new_name
, params
+4, sizeof(new_name
), -1, STR_TERMINATE
);
1479 status
= rename_internals(conn
, fsp
->fsp_name
,
1480 new_name
, replace_if_exists
);
1481 if (!NT_STATUS_IS_OK(status
))
1482 return ERROR_NT(status
);
1485 * Rename was successful.
1487 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1489 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1490 fsp
->fsp_name
, new_name
));
1493 * Win2k needs a changenotify request response before it will
1494 * update after a rename..
1497 process_pending_change_notify_queue((time_t)0);
1502 /******************************************************************************
1503 Fake up a completely empty SD.
1504 *******************************************************************************/
1506 static size_t get_null_nt_acl(TALLOC_CTX
*mem_ctx
, SEC_DESC
**ppsd
)
1508 extern DOM_SID global_sid_World
;
1511 *ppsd
= make_standard_sec_desc( mem_ctx
, &global_sid_World
, &global_sid_World
, NULL
, &sd_size
);
1513 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1520 /****************************************************************************
1521 Reply to query a security descriptor - currently this is not implemented (it
1522 is planned to be though). Right now it just returns the same thing NT would
1523 when queried on a FAT filesystem. JRA.
1524 ****************************************************************************/
1526 static int call_nt_transact_query_security_desc(connection_struct
*conn
,
1527 char *inbuf
, char *outbuf
,
1528 int length
, int bufsize
,
1529 char **ppsetup
, char **ppparams
, char **ppdata
)
1531 uint32 max_data_count
= IVAL(inbuf
,smb_nt_MaxDataCount
);
1532 char *params
= *ppparams
;
1533 char *data
= *ppdata
;
1535 SEC_DESC
*psd
= NULL
;
1537 TALLOC_CTX
*mem_ctx
;
1539 files_struct
*fsp
= file_fsp(params
,0);
1542 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1544 DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp
->fsp_name
));
1546 params
= Realloc(*ppparams
, 4);
1548 return ERROR_DOS(ERRDOS
,ERRnomem
);
1552 if ((mem_ctx
= talloc_init("call_nt_transact_query_security_desc")) == NULL
) {
1553 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1554 return ERROR_DOS(ERRDOS
,ERRnomem
);
1558 * Get the permissions to return.
1561 if (!lp_nt_acl_support(SNUM(conn
)))
1562 sd_size
= get_null_nt_acl(mem_ctx
, &psd
);
1564 sd_size
= conn
->vfs_ops
.fget_nt_acl(fsp
, fsp
->fd
, &psd
);
1567 talloc_destroy(mem_ctx
);
1568 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1571 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size
));
1573 SIVAL(params
,0,(uint32
)sd_size
);
1575 if(max_data_count
< sd_size
) {
1577 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_BUFFER_TOO_SMALL
,
1578 params
, 4, *ppdata
, 0);
1579 talloc_destroy(mem_ctx
);
1584 * Allocate the data we will point this at.
1587 data
= Realloc(*ppdata
, sd_size
);
1589 talloc_destroy(mem_ctx
);
1590 return ERROR_DOS(ERRDOS
,ERRnomem
);
1595 memset(data
, '\0', sd_size
);
1598 * Init the parse struct we will marshall into.
1601 prs_init(&pd
, 0, mem_ctx
, MARSHALL
);
1604 * Setup the prs_struct to point at the memory we just
1608 prs_give_memory( &pd
, data
, (uint32
)sd_size
, False
);
1611 * Finally, linearize into the outgoing buffer.
1614 if(!sec_io_desc( "sd data", &psd
, &pd
, 1)) {
1615 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1616 security descriptor.\n"));
1618 * Return access denied for want of a better error message..
1620 talloc_destroy(mem_ctx
);
1621 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1625 * Now we can delete the security descriptor.
1628 talloc_destroy(mem_ctx
);
1630 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, params
, 4, data
, (int)sd_size
);
1634 /****************************************************************************
1635 Reply to set a security descriptor. Map to UNIX perms.
1636 ****************************************************************************/
1638 static int call_nt_transact_set_security_desc(connection_struct
*conn
,
1639 char *inbuf
, char *outbuf
, int length
,
1640 int bufsize
, char **ppsetup
,
1641 char **ppparams
, char **ppdata
)
1643 uint32 total_parameter_count
= IVAL(inbuf
, smb_nts_TotalParameterCount
);
1644 char *params
= *ppparams
;
1645 char *data
= *ppdata
;
1646 uint32 total_data_count
= (uint32
)IVAL(inbuf
, smb_nts_TotalDataCount
);
1647 files_struct
*fsp
= NULL
;
1648 uint32 security_info_sent
= 0;
1651 if(total_parameter_count
< 8)
1652 return ERROR_DOS(ERRDOS
,ERRbadfunc
);
1654 if((fsp
= file_fsp(params
,0)) == NULL
)
1655 return ERROR_DOS(ERRDOS
,ERRbadfid
);
1657 if(!lp_nt_acl_support(SNUM(conn
)))
1660 security_info_sent
= IVAL(params
,4);
1662 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp
->fsp_name
,
1663 (unsigned int)security_info_sent
));
1665 if (total_data_count
== 0)
1666 return ERROR_DOS(ERRDOS
, ERRnoaccess
);
1668 if (!NT_STATUS_IS_OK(nt_status
= set_sd( fsp
, data
, total_data_count
, security_info_sent
)))
1669 return ERROR_NT(nt_status
);
1673 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1677 /****************************************************************************
1679 ****************************************************************************/
1680 static int call_nt_transact_ioctl(connection_struct
*conn
,
1681 char *inbuf
, char *outbuf
, int length
,
1683 char **ppsetup
, int setup_count
,
1684 char **ppparams
, int parameter_count
,
1685 char **ppdata
, int data_count
)
1687 unsigned fnum
, control
;
1688 static BOOL logged_message
;
1690 if (setup_count
!= 8) {
1691 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count
));
1692 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
1695 fnum
= SVAL(*ppsetup
, 4);
1696 control
= IVAL(*ppsetup
, 0);
1698 DEBUG(6,("call_nt_transact_ioctl: fnum=%d control=0x%x\n",
1702 case NTIOCTL_SET_SPARSE
:
1703 /* pretend this succeeded - tho strictly we should
1704 mark the file sparse (if the local fs supports it)
1705 so we can know if we need to pre-allocate or not */
1706 send_nt_replies(inbuf
, outbuf
, bufsize
, NT_STATUS_OK
, NULL
, 0, NULL
, 0);
1710 if (!logged_message
) {
1711 logged_message
= True
; /* Only print this once... */
1712 DEBUG(3,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1717 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
1720 /****************************************************************************
1721 Reply to a SMBNTtrans.
1722 ****************************************************************************/
1724 int reply_nttrans(connection_struct
*conn
,
1725 char *inbuf
,char *outbuf
,int length
,int bufsize
)
1728 #if 0 /* Not used. */
1729 uint16 max_setup_count
= CVAL(inbuf
, smb_nt_MaxSetupCount
);
1730 uint32 max_parameter_count
= IVAL(inbuf
, smb_nt_MaxParameterCount
);
1731 uint32 max_data_count
= IVAL(inbuf
,smb_nt_MaxDataCount
);
1732 #endif /* Not used. */
1733 uint32 total_parameter_count
= IVAL(inbuf
, smb_nt_TotalParameterCount
);
1734 uint32 total_data_count
= IVAL(inbuf
, smb_nt_TotalDataCount
);
1735 uint32 parameter_count
= IVAL(inbuf
,smb_nt_ParameterCount
);
1736 uint32 parameter_offset
= IVAL(inbuf
,smb_nt_ParameterOffset
);
1737 uint32 data_count
= IVAL(inbuf
,smb_nt_DataCount
);
1738 uint32 data_offset
= IVAL(inbuf
,smb_nt_DataOffset
);
1739 uint16 setup_count
= 2*CVAL(inbuf
,smb_nt_SetupCount
); /* setup count is in *words* */
1740 uint16 function_code
= SVAL( inbuf
, smb_nt_Function
);
1741 char *params
= NULL
, *data
= NULL
, *setup
= NULL
;
1742 uint32 num_params_sofar
, num_data_sofar
;
1743 START_PROFILE(SMBnttrans
);
1745 if(global_oplock_break
&&
1746 ((function_code
== NT_TRANSACT_CREATE
) ||
1747 (function_code
== NT_TRANSACT_RENAME
))) {
1749 * Queue this open message as we are the process of an oplock break.
1752 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
1753 due to being in oplock break state.\n", (unsigned int)function_code
));
1755 push_oplock_pending_smb_message( inbuf
, length
);
1756 END_PROFILE(SMBnttrans
);
1760 if (IS_IPC(conn
) && (function_code
!= NT_TRANSACT_CREATE
)) {
1761 END_PROFILE(SMBnttrans
);
1762 return ERROR_DOS(ERRSRV
,ERRaccess
);
1765 outsize
= set_message(outbuf
,0,0,True
);
1768 * All nttrans messages we handle have smb_wct == 19 + setup_count.
1769 * Ensure this is so as a sanity check.
1772 if(CVAL(inbuf
, smb_wct
) != 19 + (setup_count
/2)) {
1773 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
1774 CVAL(inbuf
, smb_wct
), 19 + (setup_count
/2)));
1778 /* Allocate the space for the setup, the maximum needed parameters and data */
1781 setup
= (char *)malloc(setup_count
);
1782 if (total_parameter_count
> 0)
1783 params
= (char *)malloc(total_parameter_count
);
1784 if (total_data_count
> 0)
1785 data
= (char *)malloc(total_data_count
);
1787 if ((total_parameter_count
&& !params
) || (total_data_count
&& !data
) ||
1788 (setup_count
&& !setup
)) {
1792 DEBUG(0,("reply_nttrans : Out of memory\n"));
1793 END_PROFILE(SMBnttrans
);
1794 return ERROR_DOS(ERRDOS
,ERRnomem
);
1797 /* Copy the param and data bytes sent with this request into the params buffer */
1798 num_params_sofar
= parameter_count
;
1799 num_data_sofar
= data_count
;
1801 if (parameter_count
> total_parameter_count
|| data_count
> total_data_count
)
1805 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count
));
1806 if ((smb_nt_SetupStart
+ setup_count
< smb_nt_SetupStart
) ||
1807 (smb_nt_SetupStart
+ setup_count
< setup_count
))
1809 if (smb_nt_SetupStart
+ setup_count
> length
)
1812 memcpy( setup
, &inbuf
[smb_nt_SetupStart
], setup_count
);
1813 dump_data(10, setup
, setup_count
);
1816 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count
));
1817 if ((parameter_offset
+ parameter_count
< parameter_offset
) ||
1818 (parameter_offset
+ parameter_count
< parameter_count
))
1820 if (smb_base(inbuf
) + parameter_offset
+ parameter_count
> inbuf
+ length
)
1823 memcpy( params
, smb_base(inbuf
) + parameter_offset
, parameter_count
);
1824 dump_data(10, params
, parameter_count
);
1827 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count
));
1828 if ((data_offset
+ data_count
< data_offset
) || (data_offset
+ data_count
< data_count
))
1830 if (smb_base(inbuf
) + data_offset
+ data_count
> inbuf
+ length
)
1833 memcpy( data
, smb_base(inbuf
) + data_offset
, data_count
);
1834 dump_data(10, data
, data_count
);
1837 if(num_data_sofar
< total_data_count
|| num_params_sofar
< total_parameter_count
) {
1838 /* We need to send an interim response then receive the rest
1839 of the parameter/data bytes */
1840 outsize
= set_message(outbuf
,0,0,True
);
1841 if (!send_smb(smbd_server_fd(),outbuf
))
1842 exit_server("reply_nttrans: send_smb failed.");
1844 while( num_data_sofar
< total_data_count
|| num_params_sofar
< total_parameter_count
) {
1846 uint32 parameter_displacement
;
1847 uint32 data_displacement
;
1849 ret
= receive_next_smb(inbuf
,bufsize
,SMB_SECONDARY_WAIT
);
1851 if((ret
&& (CVAL(inbuf
, smb_com
) != SMBnttranss
)) || !ret
) {
1852 outsize
= set_message(outbuf
,0,0,True
);
1854 DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
1856 DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
1857 (smb_read_error
== READ_ERROR
) ? "error" : "timeout" ));
1862 /* Revise total_params and total_data in case they have changed downwards */
1863 if (IVAL(inbuf
, smb_nts_TotalParameterCount
) < total_parameter_count
)
1864 total_parameter_count
= IVAL(inbuf
, smb_nts_TotalParameterCount
);
1865 if (IVAL(inbuf
, smb_nts_TotalDataCount
) < total_data_count
)
1866 total_data_count
= IVAL(inbuf
, smb_nts_TotalDataCount
);
1868 parameter_count
= IVAL(inbuf
,smb_nts_ParameterCount
);
1869 parameter_offset
= IVAL(inbuf
, smb_nts_ParameterOffset
);
1870 parameter_displacement
= IVAL(inbuf
, smb_nts_ParameterDisplacement
);
1871 num_params_sofar
+= parameter_count
;
1873 data_count
= IVAL(inbuf
, smb_nts_DataCount
);
1874 data_displacement
= IVAL(inbuf
, smb_nts_DataDisplacement
);
1875 data_offset
= IVAL(inbuf
, smb_nts_DataOffset
);
1876 num_data_sofar
+= data_count
;
1878 if (num_params_sofar
> total_parameter_count
|| num_data_sofar
> total_data_count
) {
1879 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
1883 if (parameter_count
) {
1884 if (parameter_displacement
+ parameter_count
>= total_parameter_count
)
1886 if ((parameter_displacement
+ parameter_count
< parameter_displacement
) ||
1887 (parameter_displacement
+ parameter_count
< parameter_count
))
1889 if (smb_base(inbuf
) + parameter_offset
+ parameter_count
>= inbuf
+ bufsize
)
1891 if (parameter_displacement
+ params
< params
)
1894 memcpy( ¶ms
[parameter_displacement
], smb_base(inbuf
) + parameter_offset
, parameter_count
);
1898 if (data_displacement
+ data_count
>= total_data_count
)
1900 if ((data_displacement
+ data_count
< data_displacement
) ||
1901 (data_displacement
+ data_count
< data_count
))
1903 if (smb_base(inbuf
) + data_offset
+ data_count
>= inbuf
+ bufsize
)
1905 if (data_displacement
+ data
< data
)
1908 memcpy( &data
[data_displacement
], smb_base(inbuf
)+ data_offset
, data_count
);
1913 if (Protocol
>= PROTOCOL_NT1
)
1914 SSVAL(outbuf
,smb_flg2
,SVAL(outbuf
,smb_flg2
) | FLAGS2_IS_LONG_NAME
);
1916 /* Now we must call the relevant NT_TRANS function */
1917 switch(function_code
) {
1918 case NT_TRANSACT_CREATE
:
1919 START_PROFILE_NESTED(NT_transact_create
);
1920 outsize
= call_nt_transact_create(conn
, inbuf
, outbuf
,
1922 &setup
, ¶ms
, &data
);
1923 END_PROFILE_NESTED(NT_transact_create
);
1925 case NT_TRANSACT_IOCTL
:
1926 START_PROFILE_NESTED(NT_transact_ioctl
);
1927 outsize
= call_nt_transact_ioctl(conn
, inbuf
, outbuf
,
1929 &setup
, setup_count
,
1930 ¶ms
, parameter_count
,
1932 END_PROFILE_NESTED(NT_transact_ioctl
);
1934 case NT_TRANSACT_SET_SECURITY_DESC
:
1935 START_PROFILE_NESTED(NT_transact_set_security_desc
);
1936 outsize
= call_nt_transact_set_security_desc(conn
, inbuf
, outbuf
,
1938 &setup
, ¶ms
, &data
);
1939 END_PROFILE_NESTED(NT_transact_set_security_desc
);
1941 case NT_TRANSACT_NOTIFY_CHANGE
:
1942 START_PROFILE_NESTED(NT_transact_notify_change
);
1943 outsize
= call_nt_transact_notify_change(conn
, inbuf
, outbuf
,
1945 &setup
, ¶ms
, &data
);
1946 END_PROFILE_NESTED(NT_transact_notify_change
);
1948 case NT_TRANSACT_RENAME
:
1949 START_PROFILE_NESTED(NT_transact_rename
);
1950 outsize
= call_nt_transact_rename(conn
, inbuf
, outbuf
,
1952 &setup
, ¶ms
, &data
);
1953 END_PROFILE_NESTED(NT_transact_rename
);
1956 case NT_TRANSACT_QUERY_SECURITY_DESC
:
1957 START_PROFILE_NESTED(NT_transact_query_security_desc
);
1958 outsize
= call_nt_transact_query_security_desc(conn
, inbuf
, outbuf
,
1960 &setup
, ¶ms
, &data
);
1961 END_PROFILE_NESTED(NT_transact_query_security_desc
);
1964 /* Error in request */
1965 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code
));
1969 END_PROFILE(SMBnttrans
);
1970 return ERROR_DOS(ERRSRV
,ERRerror
);
1973 /* As we do not know how many data packets will need to be
1974 returned here the various call_nt_transact_xxxx calls
1975 must send their own. Thus a call_nt_transact_xxxx routine only
1976 returns a value other than -1 when it wants to send
1983 END_PROFILE(SMBnttrans
);
1984 return outsize
; /* If a correct response was needed the call_nt_transact_xxxx
1985 calls have already sent it. If outsize != -1 then it is
1986 returning an error packet. */
1993 END_PROFILE(SMBnttrans
);
1994 return ERROR_NT(NT_STATUS_INVALID_PARAMETER
);