2 Unix SMB/CIFS implementation.
3 file opening and share modes
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 2001-2004
6 Copyright (C) Volker Lendecke 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 extern const struct generic_mapping file_generic_mapping
;
25 extern struct current_user current_user
;
26 extern userdom_struct current_user_info
;
27 extern bool global_client_failed_oplock_break
;
29 struct deferred_open_record
{
30 bool delayed_for_oplocks
;
34 /****************************************************************************
35 fd support routines - attempt to do a dos_open.
36 ****************************************************************************/
38 static NTSTATUS
fd_open(struct connection_struct
*conn
,
44 NTSTATUS status
= NT_STATUS_OK
;
48 * Never follow symlinks on a POSIX client. The
49 * client should be doing this.
52 if (fsp
->posix_open
|| !lp_symlinks(SNUM(conn
))) {
57 fsp
->fh
->fd
= SMB_VFS_OPEN(conn
,fname
,fsp
,flags
,mode
);
58 if (fsp
->fh
->fd
== -1) {
59 status
= map_nt_error_from_unix(errno
);
62 DEBUG(10,("fd_open: name %s, flags = 0%o mode = 0%o, fd = %d. %s\n",
63 fname
, flags
, (int)mode
, fsp
->fh
->fd
,
64 (fsp
->fh
->fd
== -1) ? strerror(errno
) : "" ));
69 /****************************************************************************
70 Close the file associated with a fsp.
71 ****************************************************************************/
73 NTSTATUS
fd_close(files_struct
*fsp
)
77 if (fsp
->fh
->fd
== -1) {
78 return NT_STATUS_OK
; /* What we used to call a stat open. */
80 if (fsp
->fh
->ref_count
> 1) {
81 return NT_STATUS_OK
; /* Shared handle. Only close last reference. */
84 ret
= SMB_VFS_CLOSE(fsp
);
87 return map_nt_error_from_unix(errno
);
92 /****************************************************************************
93 Change the ownership of a file to that of the parent directory.
94 Do this by fd if possible.
95 ****************************************************************************/
97 static void change_file_owner_to_parent(connection_struct
*conn
,
98 const char *inherit_from_dir
,
101 SMB_STRUCT_STAT parent_st
;
104 ret
= SMB_VFS_STAT(conn
, inherit_from_dir
, &parent_st
);
106 DEBUG(0,("change_file_owner_to_parent: failed to stat parent "
107 "directory %s. Error was %s\n",
108 inherit_from_dir
, strerror(errno
) ));
113 ret
= SMB_VFS_FCHOWN(fsp
, parent_st
.st_uid
, (gid_t
)-1);
116 DEBUG(0,("change_file_owner_to_parent: failed to fchown "
117 "file %s to parent directory uid %u. Error "
118 "was %s\n", fsp
->fsp_name
,
119 (unsigned int)parent_st
.st_uid
,
123 DEBUG(10,("change_file_owner_to_parent: changed new file %s to "
124 "parent directory uid %u.\n", fsp
->fsp_name
,
125 (unsigned int)parent_st
.st_uid
));
128 static NTSTATUS
change_dir_owner_to_parent(connection_struct
*conn
,
129 const char *inherit_from_dir
,
131 SMB_STRUCT_STAT
*psbuf
)
133 char *saved_dir
= NULL
;
134 SMB_STRUCT_STAT sbuf
;
135 SMB_STRUCT_STAT parent_st
;
136 TALLOC_CTX
*ctx
= talloc_tos();
137 NTSTATUS status
= NT_STATUS_OK
;
140 ret
= SMB_VFS_STAT(conn
, inherit_from_dir
, &parent_st
);
142 status
= map_nt_error_from_unix(errno
);
143 DEBUG(0,("change_dir_owner_to_parent: failed to stat parent "
144 "directory %s. Error was %s\n",
145 inherit_from_dir
, strerror(errno
) ));
149 /* We've already done an lstat into psbuf, and we know it's a
150 directory. If we can cd into the directory and the dev/ino
151 are the same then we can safely chown without races as
152 we're locking the directory in place by being in it. This
153 should work on any UNIX (thanks tridge :-). JRA.
156 saved_dir
= vfs_GetWd(ctx
,conn
);
158 status
= map_nt_error_from_unix(errno
);
159 DEBUG(0,("change_dir_owner_to_parent: failed to get "
160 "current working directory. Error was %s\n",
165 /* Chdir into the new path. */
166 if (vfs_ChDir(conn
, fname
) == -1) {
167 status
= map_nt_error_from_unix(errno
);
168 DEBUG(0,("change_dir_owner_to_parent: failed to change "
169 "current working directory to %s. Error "
170 "was %s\n", fname
, strerror(errno
) ));
174 if (SMB_VFS_STAT(conn
,".",&sbuf
) == -1) {
175 status
= map_nt_error_from_unix(errno
);
176 DEBUG(0,("change_dir_owner_to_parent: failed to stat "
177 "directory '.' (%s) Error was %s\n",
178 fname
, strerror(errno
)));
182 /* Ensure we're pointing at the same place. */
183 if (sbuf
.st_dev
!= psbuf
->st_dev
||
184 sbuf
.st_ino
!= psbuf
->st_ino
||
185 sbuf
.st_mode
!= psbuf
->st_mode
) {
186 DEBUG(0,("change_dir_owner_to_parent: "
187 "device/inode/mode on directory %s changed. "
188 "Refusing to chown !\n", fname
));
189 status
= NT_STATUS_ACCESS_DENIED
;
194 ret
= SMB_VFS_CHOWN(conn
, ".", parent_st
.st_uid
, (gid_t
)-1);
197 status
= map_nt_error_from_unix(errno
);
198 DEBUG(10,("change_dir_owner_to_parent: failed to chown "
199 "directory %s to parent directory uid %u. "
200 "Error was %s\n", fname
,
201 (unsigned int)parent_st
.st_uid
, strerror(errno
) ));
205 DEBUG(10,("change_dir_owner_to_parent: changed ownership of new "
206 "directory %s to parent directory uid %u.\n",
207 fname
, (unsigned int)parent_st
.st_uid
));
211 vfs_ChDir(conn
,saved_dir
);
215 /****************************************************************************
217 ****************************************************************************/
219 static NTSTATUS
open_file(files_struct
*fsp
,
220 connection_struct
*conn
,
221 struct smb_request
*req
,
222 const char *parent_dir
,
225 SMB_STRUCT_STAT
*psbuf
,
228 uint32 access_mask
, /* client requested access mask. */
229 uint32 open_access_mask
) /* what we're actually using in the open. */
231 NTSTATUS status
= NT_STATUS_OK
;
232 int accmode
= (flags
& O_ACCMODE
);
233 int local_flags
= flags
;
234 bool file_existed
= VALID_STAT(*psbuf
);
239 /* Check permissions */
242 * This code was changed after seeing a client open request
243 * containing the open mode of (DENY_WRITE/read-only) with
244 * the 'create if not exist' bit set. The previous code
245 * would fail to open the file read only on a read-only share
246 * as it was checking the flags parameter directly against O_RDONLY,
247 * this was failing as the flags parameter was set to O_RDONLY|O_CREAT.
251 if (!CAN_WRITE(conn
)) {
252 /* It's a read-only share - fail if we wanted to write. */
253 if(accmode
!= O_RDONLY
) {
254 DEBUG(3,("Permission denied opening %s\n", path
));
255 return NT_STATUS_ACCESS_DENIED
;
256 } else if(flags
& O_CREAT
) {
257 /* We don't want to write - but we must make sure that
258 O_CREAT doesn't create the file if we have write
259 access into the directory.
262 local_flags
&= ~O_CREAT
;
267 * This little piece of insanity is inspired by the
268 * fact that an NT client can open a file for O_RDONLY,
269 * but set the create disposition to FILE_EXISTS_TRUNCATE.
270 * If the client *can* write to the file, then it expects to
271 * truncate the file, even though it is opening for readonly.
272 * Quicken uses this stupid trick in backup file creation...
273 * Thanks *greatly* to "David W. Chapman Jr." <dwcjr@inethouston.net>
274 * for helping track this one down. It didn't bite us in 2.0.x
275 * as we always opened files read-write in that release. JRA.
278 if ((accmode
== O_RDONLY
) && ((flags
& O_TRUNC
) == O_TRUNC
)) {
279 DEBUG(10,("open_file: truncate requested on read-only open "
280 "for file %s\n", path
));
281 local_flags
= (flags
& ~O_ACCMODE
)|O_RDWR
;
284 if ((open_access_mask
& (FILE_READ_DATA
|FILE_WRITE_DATA
|FILE_APPEND_DATA
|FILE_EXECUTE
)) ||
285 (!file_existed
&& (local_flags
& O_CREAT
)) ||
286 ((local_flags
& O_TRUNC
) == O_TRUNC
) ) {
290 * We can't actually truncate here as the file may be locked.
291 * open_file_ntcreate will take care of the truncate later. JRA.
294 local_flags
&= ~O_TRUNC
;
296 #if defined(O_NONBLOCK) && defined(S_ISFIFO)
298 * We would block on opening a FIFO with no one else on the
299 * other end. Do what we used to do and add O_NONBLOCK to the
303 if (file_existed
&& S_ISFIFO(psbuf
->st_mode
)) {
304 local_flags
|= O_NONBLOCK
;
308 /* Don't create files with Microsoft wildcard characters. */
311 * wildcard characters are allowed in stream names
312 * only test the basefilename
314 wild
= fsp
->base_fsp
->fsp_name
;
318 if ((local_flags
& O_CREAT
) && !file_existed
&&
320 return NT_STATUS_OBJECT_NAME_INVALID
;
323 /* Actually do the open */
324 status
= fd_open(conn
, path
, fsp
, local_flags
, unx_mode
);
325 if (!NT_STATUS_IS_OK(status
)) {
326 DEBUG(3,("Error opening file %s (%s) (local_flags=%d) "
328 path
,nt_errstr(status
),local_flags
,flags
));
332 if ((local_flags
& O_CREAT
) && !file_existed
) {
334 /* Inherit the ACL if required */
335 if (lp_inherit_perms(SNUM(conn
))) {
336 inherit_access_acl(conn
, parent_dir
, path
,
340 /* Change the owner if required. */
341 if (lp_inherit_owner(SNUM(conn
))) {
342 change_file_owner_to_parent(conn
, parent_dir
,
346 notify_fname(conn
, NOTIFY_ACTION_ADDED
,
347 FILE_NOTIFY_CHANGE_FILE_NAME
, path
);
351 fsp
->fh
->fd
= -1; /* What we used to call a stat open. */
357 if (fsp
->fh
->fd
== -1) {
358 ret
= SMB_VFS_STAT(conn
, path
, psbuf
);
360 ret
= SMB_VFS_FSTAT(fsp
, psbuf
);
361 /* If we have an fd, this stat should succeed. */
363 DEBUG(0,("Error doing fstat on open file %s "
364 "(%s)\n", path
,strerror(errno
) ));
368 /* For a non-io open, this stat failing means file not found. JRA */
370 status
= map_nt_error_from_unix(errno
);
377 * POSIX allows read-only opens of directories. We don't
378 * want to do this (we use a different code path for this)
379 * so catch a directory open and return an EISDIR. JRA.
382 if(S_ISDIR(psbuf
->st_mode
)) {
385 return NT_STATUS_FILE_IS_A_DIRECTORY
;
388 fsp
->mode
= psbuf
->st_mode
;
389 fsp
->file_id
= vfs_file_id_from_sbuf(conn
, psbuf
);
390 fsp
->vuid
= req
? req
->vuid
: UID_FIELD_INVALID
;
391 fsp
->file_pid
= req
? req
->smbpid
: 0;
392 fsp
->can_lock
= True
;
393 fsp
->can_read
= (access_mask
& (FILE_READ_DATA
)) ? True
: False
;
394 if (!CAN_WRITE(conn
)) {
395 fsp
->can_write
= False
;
397 fsp
->can_write
= (access_mask
& (FILE_WRITE_DATA
| FILE_APPEND_DATA
)) ?
400 fsp
->print_file
= False
;
401 fsp
->modified
= False
;
402 fsp
->sent_oplock_break
= NO_BREAK_SENT
;
403 fsp
->is_directory
= False
;
404 fsp
->is_stat
= False
;
405 if (conn
->aio_write_behind_list
&&
406 is_in_path(path
, conn
->aio_write_behind_list
, conn
->case_sensitive
)) {
407 fsp
->aio_write_behind
= True
;
410 string_set(&fsp
->fsp_name
, path
);
411 fsp
->wcp
= NULL
; /* Write cache pointer. */
413 DEBUG(2,("%s opened file %s read=%s write=%s (numopen=%d)\n",
414 *current_user_info
.smb_name
?
415 current_user_info
.smb_name
: conn
->user
,fsp
->fsp_name
,
416 BOOLSTR(fsp
->can_read
), BOOLSTR(fsp
->can_write
),
417 conn
->num_files_open
));
423 /*******************************************************************
424 Return True if the filename is one of the special executable types.
425 ********************************************************************/
427 static bool is_executable(const char *fname
)
429 if ((fname
= strrchr_m(fname
,'.'))) {
430 if (strequal(fname
,".com") ||
431 strequal(fname
,".dll") ||
432 strequal(fname
,".exe") ||
433 strequal(fname
,".sym")) {
440 /****************************************************************************
441 Check if we can open a file with a share mode.
442 Returns True if conflict, False if not.
443 ****************************************************************************/
445 static bool share_conflict(struct share_mode_entry
*entry
,
449 DEBUG(10,("share_conflict: entry->access_mask = 0x%x, "
450 "entry->share_access = 0x%x, "
451 "entry->private_options = 0x%x\n",
452 (unsigned int)entry
->access_mask
,
453 (unsigned int)entry
->share_access
,
454 (unsigned int)entry
->private_options
));
456 DEBUG(10,("share_conflict: access_mask = 0x%x, share_access = 0x%x\n",
457 (unsigned int)access_mask
, (unsigned int)share_access
));
459 if ((entry
->access_mask
& (FILE_WRITE_DATA
|
463 DELETE_ACCESS
)) == 0) {
464 DEBUG(10,("share_conflict: No conflict due to "
465 "entry->access_mask = 0x%x\n",
466 (unsigned int)entry
->access_mask
));
470 if ((access_mask
& (FILE_WRITE_DATA
|
474 DELETE_ACCESS
)) == 0) {
475 DEBUG(10,("share_conflict: No conflict due to "
476 "access_mask = 0x%x\n",
477 (unsigned int)access_mask
));
481 #if 1 /* JRA TEST - Superdebug. */
482 #define CHECK_MASK(num, am, right, sa, share) \
483 DEBUG(10,("share_conflict: [%d] am (0x%x) & right (0x%x) = 0x%x\n", \
484 (unsigned int)(num), (unsigned int)(am), \
485 (unsigned int)(right), (unsigned int)(am)&(right) )); \
486 DEBUG(10,("share_conflict: [%d] sa (0x%x) & share (0x%x) = 0x%x\n", \
487 (unsigned int)(num), (unsigned int)(sa), \
488 (unsigned int)(share), (unsigned int)(sa)&(share) )); \
489 if (((am) & (right)) && !((sa) & (share))) { \
490 DEBUG(10,("share_conflict: check %d conflict am = 0x%x, right = 0x%x, \
491 sa = 0x%x, share = 0x%x\n", (num), (unsigned int)(am), (unsigned int)(right), (unsigned int)(sa), \
492 (unsigned int)(share) )); \
496 #define CHECK_MASK(num, am, right, sa, share) \
497 if (((am) & (right)) && !((sa) & (share))) { \
498 DEBUG(10,("share_conflict: check %d conflict am = 0x%x, right = 0x%x, \
499 sa = 0x%x, share = 0x%x\n", (num), (unsigned int)(am), (unsigned int)(right), (unsigned int)(sa), \
500 (unsigned int)(share) )); \
505 CHECK_MASK(1, entry
->access_mask
, FILE_WRITE_DATA
| FILE_APPEND_DATA
,
506 share_access
, FILE_SHARE_WRITE
);
507 CHECK_MASK(2, access_mask
, FILE_WRITE_DATA
| FILE_APPEND_DATA
,
508 entry
->share_access
, FILE_SHARE_WRITE
);
510 CHECK_MASK(3, entry
->access_mask
, FILE_READ_DATA
| FILE_EXECUTE
,
511 share_access
, FILE_SHARE_READ
);
512 CHECK_MASK(4, access_mask
, FILE_READ_DATA
| FILE_EXECUTE
,
513 entry
->share_access
, FILE_SHARE_READ
);
515 CHECK_MASK(5, entry
->access_mask
, DELETE_ACCESS
,
516 share_access
, FILE_SHARE_DELETE
);
517 CHECK_MASK(6, access_mask
, DELETE_ACCESS
,
518 entry
->share_access
, FILE_SHARE_DELETE
);
520 DEBUG(10,("share_conflict: No conflict.\n"));
524 #if defined(DEVELOPER)
525 static void validate_my_share_entries(int num
,
526 struct share_mode_entry
*share_entry
)
530 if (!procid_is_me(&share_entry
->pid
)) {
534 if (is_deferred_open_entry(share_entry
) &&
535 !open_was_deferred(share_entry
->op_mid
)) {
536 char *str
= talloc_asprintf(talloc_tos(),
537 "Got a deferred entry without a request: "
539 share_mode_str(talloc_tos(), num
, share_entry
));
543 if (!is_valid_share_mode_entry(share_entry
)) {
547 fsp
= file_find_dif(share_entry
->id
,
548 share_entry
->share_file_id
);
550 DEBUG(0,("validate_my_share_entries: PANIC : %s\n",
551 share_mode_str(talloc_tos(), num
, share_entry
) ));
552 smb_panic("validate_my_share_entries: Cannot match a "
553 "share entry with an open file\n");
556 if (is_deferred_open_entry(share_entry
) ||
557 is_unused_share_mode_entry(share_entry
)) {
561 if ((share_entry
->op_type
== NO_OPLOCK
) &&
562 (fsp
->oplock_type
== FAKE_LEVEL_II_OPLOCK
)) {
563 /* Someone has already written to it, but I haven't yet
568 if (((uint16
)fsp
->oplock_type
) != share_entry
->op_type
) {
577 DEBUG(0,("validate_my_share_entries: PANIC : %s\n",
578 share_mode_str(talloc_tos(), num
, share_entry
) ));
579 str
= talloc_asprintf(talloc_tos(),
580 "validate_my_share_entries: "
581 "file %s, oplock_type = 0x%x, op_type = 0x%x\n",
582 fsp
->fsp_name
, (unsigned int)fsp
->oplock_type
,
583 (unsigned int)share_entry
->op_type
);
589 static bool is_stat_open(uint32 access_mask
)
591 return (access_mask
&&
592 ((access_mask
& ~(SYNCHRONIZE_ACCESS
| FILE_READ_ATTRIBUTES
|
593 FILE_WRITE_ATTRIBUTES
))==0) &&
594 ((access_mask
& (SYNCHRONIZE_ACCESS
|FILE_READ_ATTRIBUTES
|
595 FILE_WRITE_ATTRIBUTES
)) != 0));
598 /****************************************************************************
599 Deal with share modes
600 Invarient: Share mode must be locked on entry and exit.
601 Returns -1 on error, or number of share modes on success (may be zero).
602 ****************************************************************************/
604 static NTSTATUS
open_mode_check(connection_struct
*conn
,
606 struct share_mode_lock
*lck
,
609 uint32 create_options
,
614 if(lck
->num_share_modes
== 0) {
618 *file_existed
= True
;
620 /* A delete on close prohibits everything */
622 if (lck
->delete_on_close
) {
623 return NT_STATUS_DELETE_PENDING
;
626 if (is_stat_open(access_mask
)) {
627 /* Stat open that doesn't trigger oplock breaks or share mode
628 * checks... ! JRA. */
633 * Check if the share modes will give us access.
636 #if defined(DEVELOPER)
637 for(i
= 0; i
< lck
->num_share_modes
; i
++) {
638 validate_my_share_entries(i
, &lck
->share_modes
[i
]);
642 if (!lp_share_modes(SNUM(conn
))) {
646 /* Now we check the share modes, after any oplock breaks. */
647 for(i
= 0; i
< lck
->num_share_modes
; i
++) {
649 if (!is_valid_share_mode_entry(&lck
->share_modes
[i
])) {
653 /* someone else has a share lock on it, check to see if we can
655 if (share_conflict(&lck
->share_modes
[i
],
656 access_mask
, share_access
)) {
657 return NT_STATUS_SHARING_VIOLATION
;
664 static bool is_delete_request(files_struct
*fsp
) {
665 return ((fsp
->access_mask
== DELETE_ACCESS
) &&
666 (fsp
->oplock_type
== NO_OPLOCK
));
670 * Send a break message to the oplock holder and delay the open for
674 static NTSTATUS
send_break_message(files_struct
*fsp
,
675 struct share_mode_entry
*exclusive
,
680 char msg
[MSG_SMB_SHARE_MODE_ENTRY_SIZE
];
682 DEBUG(10, ("Sending break request to PID %s\n",
683 procid_str_static(&exclusive
->pid
)));
684 exclusive
->op_mid
= mid
;
686 /* Create the message. */
687 share_mode_entry_to_message(msg
, exclusive
);
689 /* Add in the FORCE_OPLOCK_BREAK_TO_NONE bit in the message if set. We
690 don't want this set in the share mode struct pointed to by lck. */
692 if (oplock_request
& FORCE_OPLOCK_BREAK_TO_NONE
) {
693 SSVAL(msg
,6,exclusive
->op_type
| FORCE_OPLOCK_BREAK_TO_NONE
);
696 status
= messaging_send_buf(smbd_messaging_context(), exclusive
->pid
,
697 MSG_SMB_BREAK_REQUEST
,
699 MSG_SMB_SHARE_MODE_ENTRY_SIZE
);
700 if (!NT_STATUS_IS_OK(status
)) {
701 DEBUG(3, ("Could not send oplock break message: %s\n",
709 * 1) No files open at all or internal open: Grant whatever the client wants.
711 * 2) Exclusive (or batch) oplock around: If the requested access is a delete
712 * request, break if the oplock around is a batch oplock. If it's another
713 * requested access type, break.
715 * 3) Only level2 around: Grant level2 and do nothing else.
718 static bool delay_for_oplocks(struct share_mode_lock
*lck
,
724 extern uint32 global_client_caps
;
726 struct share_mode_entry
*exclusive
= NULL
;
727 bool valid_entry
= false;
728 bool have_level2
= false;
729 bool have_a_none_oplock
= false;
730 bool allow_level2
= (global_client_caps
& CAP_LEVEL_II_OPLOCKS
) &&
731 lp_level2_oplocks(SNUM(fsp
->conn
));
733 if (oplock_request
& INTERNAL_OPEN_ONLY
) {
734 fsp
->oplock_type
= NO_OPLOCK
;
737 if ((oplock_request
& INTERNAL_OPEN_ONLY
) || is_stat_open(fsp
->access_mask
)) {
741 for (i
=0; i
<lck
->num_share_modes
; i
++) {
743 if (!is_valid_share_mode_entry(&lck
->share_modes
[i
])) {
747 /* At least one entry is not an invalid or deferred entry. */
750 if (pass_number
== 1) {
751 if (BATCH_OPLOCK_TYPE(lck
->share_modes
[i
].op_type
)) {
752 SMB_ASSERT(exclusive
== NULL
);
753 exclusive
= &lck
->share_modes
[i
];
756 if (EXCLUSIVE_OPLOCK_TYPE(lck
->share_modes
[i
].op_type
)) {
757 SMB_ASSERT(exclusive
== NULL
);
758 exclusive
= &lck
->share_modes
[i
];
762 if (LEVEL_II_OPLOCK_TYPE(lck
->share_modes
[i
].op_type
)) {
763 SMB_ASSERT(exclusive
== NULL
);
767 if (lck
->share_modes
[i
].op_type
== NO_OPLOCK
) {
768 have_a_none_oplock
= true;
772 if (exclusive
!= NULL
) { /* Found an exclusive oplock */
773 bool delay_it
= is_delete_request(fsp
) ?
774 BATCH_OPLOCK_TYPE(exclusive
->op_type
) : true;
775 SMB_ASSERT(!have_level2
);
777 send_break_message(fsp
, exclusive
, mid
, oplock_request
);
783 * Match what was requested (fsp->oplock_type) with
784 * what was found in the existing share modes.
788 /* All entries are placeholders or deferred.
789 * Directly grant whatever the client wants. */
790 if (fsp
->oplock_type
== NO_OPLOCK
) {
791 /* Store a level2 oplock, but don't tell the client */
792 fsp
->oplock_type
= FAKE_LEVEL_II_OPLOCK
;
794 } else if (have_a_none_oplock
) {
795 fsp
->oplock_type
= NO_OPLOCK
;
796 } else if (have_level2
) {
797 if (fsp
->oplock_type
== NO_OPLOCK
||
798 fsp
->oplock_type
== FAKE_LEVEL_II_OPLOCK
) {
799 /* Store a level2 oplock, but don't tell the client */
800 fsp
->oplock_type
= FAKE_LEVEL_II_OPLOCK
;
802 fsp
->oplock_type
= LEVEL_II_OPLOCK
;
805 /* This case can never happen. */
810 * Don't grant level2 to clients that don't want them
811 * or if we've turned them off.
813 if (fsp
->oplock_type
== LEVEL_II_OPLOCK
&& !allow_level2
) {
814 fsp
->oplock_type
= FAKE_LEVEL_II_OPLOCK
;
817 DEBUG(10,("delay_for_oplocks: oplock type 0x%x on file %s\n",
818 fsp
->oplock_type
, fsp
->fsp_name
));
824 static bool request_timed_out(struct timeval request_time
,
825 struct timeval timeout
)
827 struct timeval now
, end_time
;
829 end_time
= timeval_sum(&request_time
, &timeout
);
830 return (timeval_compare(&end_time
, &now
) < 0);
833 /****************************************************************************
834 Handle the 1 second delay in returning a SHARING_VIOLATION error.
835 ****************************************************************************/
837 static void defer_open(struct share_mode_lock
*lck
,
838 struct timeval request_time
,
839 struct timeval timeout
,
840 struct smb_request
*req
,
841 struct deferred_open_record
*state
)
847 for (i
=0; i
<lck
->num_share_modes
; i
++) {
848 struct share_mode_entry
*e
= &lck
->share_modes
[i
];
850 if (!is_deferred_open_entry(e
)) {
854 if (procid_is_me(&e
->pid
) && (e
->op_mid
== req
->mid
)) {
855 DEBUG(0, ("Trying to defer an already deferred "
856 "request: mid=%d, exiting\n", req
->mid
));
857 exit_server("attempt to defer a deferred request");
861 /* End paranoia check */
863 DEBUG(10,("defer_open_sharing_error: time [%u.%06u] adding deferred "
864 "open entry for mid %u\n",
865 (unsigned int)request_time
.tv_sec
,
866 (unsigned int)request_time
.tv_usec
,
867 (unsigned int)req
->mid
));
869 if (!push_deferred_smb_message(req
, request_time
, timeout
,
870 (char *)state
, sizeof(*state
))) {
871 exit_server("push_deferred_smb_message failed");
873 add_deferred_open(lck
, req
->mid
, request_time
, state
->id
);
876 * Push the MID of this packet on the signing queue.
877 * We only do this once, the first time we push the packet
878 * onto the deferred open queue, as this has a side effect
879 * of incrementing the response sequence number.
882 srv_defer_sign_response(req
->mid
);
886 /****************************************************************************
887 On overwrite open ensure that the attributes match.
888 ****************************************************************************/
890 static bool open_match_attributes(connection_struct
*conn
,
894 mode_t existing_unx_mode
,
896 mode_t
*returned_unx_mode
)
898 uint32 noarch_old_dos_attr
, noarch_new_dos_attr
;
900 noarch_old_dos_attr
= (old_dos_attr
& ~FILE_ATTRIBUTE_ARCHIVE
);
901 noarch_new_dos_attr
= (new_dos_attr
& ~FILE_ATTRIBUTE_ARCHIVE
);
903 if((noarch_old_dos_attr
== 0 && noarch_new_dos_attr
!= 0) ||
904 (noarch_old_dos_attr
!= 0 && ((noarch_old_dos_attr
& noarch_new_dos_attr
) == noarch_old_dos_attr
))) {
905 *returned_unx_mode
= new_unx_mode
;
907 *returned_unx_mode
= (mode_t
)0;
910 DEBUG(10,("open_match_attributes: file %s old_dos_attr = 0x%x, "
911 "existing_unx_mode = 0%o, new_dos_attr = 0x%x "
912 "returned_unx_mode = 0%o\n",
914 (unsigned int)old_dos_attr
,
915 (unsigned int)existing_unx_mode
,
916 (unsigned int)new_dos_attr
,
917 (unsigned int)*returned_unx_mode
));
919 /* If we're mapping SYSTEM and HIDDEN ensure they match. */
920 if (lp_map_system(SNUM(conn
)) || lp_store_dos_attributes(SNUM(conn
))) {
921 if ((old_dos_attr
& FILE_ATTRIBUTE_SYSTEM
) &&
922 !(new_dos_attr
& FILE_ATTRIBUTE_SYSTEM
)) {
926 if (lp_map_hidden(SNUM(conn
)) || lp_store_dos_attributes(SNUM(conn
))) {
927 if ((old_dos_attr
& FILE_ATTRIBUTE_HIDDEN
) &&
928 !(new_dos_attr
& FILE_ATTRIBUTE_HIDDEN
)) {
935 /****************************************************************************
936 Special FCB or DOS processing in the case of a sharing violation.
937 Try and find a duplicated file handle.
938 ****************************************************************************/
940 static NTSTATUS
fcb_or_dos_open(connection_struct
*conn
,
941 files_struct
*fsp_to_dup_into
,
948 uint32 create_options
)
952 DEBUG(5,("fcb_or_dos_open: attempting old open semantics for "
953 "file %s.\n", fname
));
955 for(fsp
= file_find_di_first(id
); fsp
;
956 fsp
= file_find_di_next(fsp
)) {
958 DEBUG(10,("fcb_or_dos_open: checking file %s, fd = %d, "
959 "vuid = %u, file_pid = %u, private_options = 0x%x "
960 "access_mask = 0x%x\n", fsp
->fsp_name
,
961 fsp
->fh
->fd
, (unsigned int)fsp
->vuid
,
962 (unsigned int)fsp
->file_pid
,
963 (unsigned int)fsp
->fh
->private_options
,
964 (unsigned int)fsp
->access_mask
));
966 if (fsp
->fh
->fd
!= -1 &&
968 fsp
->file_pid
== file_pid
&&
969 (fsp
->fh
->private_options
& (NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
|
970 NTCREATEX_OPTIONS_PRIVATE_DENY_FCB
)) &&
971 (fsp
->access_mask
& FILE_WRITE_DATA
) &&
972 strequal(fsp
->fsp_name
, fname
)) {
973 DEBUG(10,("fcb_or_dos_open: file match\n"));
979 return NT_STATUS_NOT_FOUND
;
982 /* quite an insane set of semantics ... */
983 if (is_executable(fname
) &&
984 (fsp
->fh
->private_options
& NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
)) {
985 DEBUG(10,("fcb_or_dos_open: file fail due to is_executable.\n"));
986 return NT_STATUS_INVALID_PARAMETER
;
989 /* We need to duplicate this fsp. */
990 dup_file_fsp(fsp
, access_mask
, share_access
,
991 create_options
, fsp_to_dup_into
);
996 /****************************************************************************
997 Open a file with a share mode - old openX method - map into NTCreate.
998 ****************************************************************************/
1000 bool map_open_params_to_ntcreate(const char *fname
, int deny_mode
, int open_func
,
1001 uint32
*paccess_mask
,
1002 uint32
*pshare_mode
,
1003 uint32
*pcreate_disposition
,
1004 uint32
*pcreate_options
)
1008 uint32 create_disposition
;
1009 uint32 create_options
= FILE_NON_DIRECTORY_FILE
;
1011 DEBUG(10,("map_open_params_to_ntcreate: fname = %s, deny_mode = 0x%x, "
1012 "open_func = 0x%x\n",
1013 fname
, (unsigned int)deny_mode
, (unsigned int)open_func
));
1015 /* Create the NT compatible access_mask. */
1016 switch (GET_OPENX_MODE(deny_mode
)) {
1017 case DOS_OPEN_EXEC
: /* Implies read-only - used to be FILE_READ_DATA */
1018 case DOS_OPEN_RDONLY
:
1019 access_mask
= FILE_GENERIC_READ
;
1021 case DOS_OPEN_WRONLY
:
1022 access_mask
= FILE_GENERIC_WRITE
;
1026 access_mask
= FILE_GENERIC_READ
|FILE_GENERIC_WRITE
;
1029 DEBUG(10,("map_open_params_to_ntcreate: bad open mode = 0x%x\n",
1030 (unsigned int)GET_OPENX_MODE(deny_mode
)));
1034 /* Create the NT compatible create_disposition. */
1035 switch (open_func
) {
1036 case OPENX_FILE_EXISTS_FAIL
|OPENX_FILE_CREATE_IF_NOT_EXIST
:
1037 create_disposition
= FILE_CREATE
;
1040 case OPENX_FILE_EXISTS_OPEN
:
1041 create_disposition
= FILE_OPEN
;
1044 case OPENX_FILE_EXISTS_OPEN
|OPENX_FILE_CREATE_IF_NOT_EXIST
:
1045 create_disposition
= FILE_OPEN_IF
;
1048 case OPENX_FILE_EXISTS_TRUNCATE
:
1049 create_disposition
= FILE_OVERWRITE
;
1052 case OPENX_FILE_EXISTS_TRUNCATE
|OPENX_FILE_CREATE_IF_NOT_EXIST
:
1053 create_disposition
= FILE_OVERWRITE_IF
;
1057 /* From samba4 - to be confirmed. */
1058 if (GET_OPENX_MODE(deny_mode
) == DOS_OPEN_EXEC
) {
1059 create_disposition
= FILE_CREATE
;
1062 DEBUG(10,("map_open_params_to_ntcreate: bad "
1063 "open_func 0x%x\n", (unsigned int)open_func
));
1067 /* Create the NT compatible share modes. */
1068 switch (GET_DENY_MODE(deny_mode
)) {
1070 share_mode
= FILE_SHARE_NONE
;
1074 share_mode
= FILE_SHARE_READ
;
1078 share_mode
= FILE_SHARE_WRITE
;
1082 share_mode
= FILE_SHARE_READ
|FILE_SHARE_WRITE
;
1086 create_options
|= NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
;
1087 if (is_executable(fname
)) {
1088 share_mode
= FILE_SHARE_READ
|FILE_SHARE_WRITE
;
1090 if (GET_OPENX_MODE(deny_mode
) == DOS_OPEN_RDONLY
) {
1091 share_mode
= FILE_SHARE_READ
;
1093 share_mode
= FILE_SHARE_NONE
;
1099 create_options
|= NTCREATEX_OPTIONS_PRIVATE_DENY_FCB
;
1100 share_mode
= FILE_SHARE_NONE
;
1104 DEBUG(10,("map_open_params_to_ntcreate: bad deny_mode 0x%x\n",
1105 (unsigned int)GET_DENY_MODE(deny_mode
) ));
1109 DEBUG(10,("map_open_params_to_ntcreate: file %s, access_mask = 0x%x, "
1110 "share_mode = 0x%x, create_disposition = 0x%x, "
1111 "create_options = 0x%x\n",
1113 (unsigned int)access_mask
,
1114 (unsigned int)share_mode
,
1115 (unsigned int)create_disposition
,
1116 (unsigned int)create_options
));
1119 *paccess_mask
= access_mask
;
1122 *pshare_mode
= share_mode
;
1124 if (pcreate_disposition
) {
1125 *pcreate_disposition
= create_disposition
;
1127 if (pcreate_options
) {
1128 *pcreate_options
= create_options
;
1135 static void schedule_defer_open(struct share_mode_lock
*lck
,
1136 struct timeval request_time
,
1137 struct smb_request
*req
)
1139 struct deferred_open_record state
;
1141 /* This is a relative time, added to the absolute
1142 request_time value to get the absolute timeout time.
1143 Note that if this is the second or greater time we enter
1144 this codepath for this particular request mid then
1145 request_time is left as the absolute time of the *first*
1146 time this request mid was processed. This is what allows
1147 the request to eventually time out. */
1149 struct timeval timeout
;
1151 /* Normally the smbd we asked should respond within
1152 * OPLOCK_BREAK_TIMEOUT seconds regardless of whether
1153 * the client did, give twice the timeout as a safety
1154 * measure here in case the other smbd is stuck
1155 * somewhere else. */
1157 timeout
= timeval_set(OPLOCK_BREAK_TIMEOUT
*2, 0);
1159 /* Nothing actually uses state.delayed_for_oplocks
1160 but it's handy to differentiate in debug messages
1161 between a 30 second delay due to oplock break, and
1162 a 1 second delay for share mode conflicts. */
1164 state
.delayed_for_oplocks
= True
;
1167 if (!request_timed_out(request_time
, timeout
)) {
1168 defer_open(lck
, request_time
, timeout
, req
, &state
);
1172 /****************************************************************************
1173 Open a file with a share mode. Passed in an already created files_struct *.
1174 ****************************************************************************/
1176 static NTSTATUS
open_file_ntcreate_internal(connection_struct
*conn
,
1177 struct smb_request
*req
,
1179 SMB_STRUCT_STAT
*psbuf
,
1180 uint32 access_mask
, /* access bits (FILE_READ_DATA etc.) */
1181 uint32 share_access
, /* share constants (FILE_SHARE_READ etc) */
1182 uint32 create_disposition
, /* FILE_OPEN_IF etc. */
1183 uint32 create_options
, /* options such as delete on close. */
1184 uint32 new_dos_attributes
, /* attributes used for new file. */
1185 int oplock_request
, /* internal Samba oplock codes. */
1186 /* Information (FILE_EXISTS etc.) */
1192 bool file_existed
= VALID_STAT(*psbuf
);
1193 bool def_acl
= False
;
1194 bool posix_open
= False
;
1195 bool new_file_created
= False
;
1196 bool clear_ads
= false;
1198 NTSTATUS fsp_open
= NT_STATUS_ACCESS_DENIED
;
1199 mode_t new_unx_mode
= (mode_t
)0;
1200 mode_t unx_mode
= (mode_t
)0;
1202 uint32 existing_dos_attributes
= 0;
1203 struct pending_message_list
*pml
= NULL
;
1204 struct timeval request_time
= timeval_zero();
1205 struct share_mode_lock
*lck
= NULL
;
1206 uint32 open_access_mask
= access_mask
;
1210 const char *newname
;
1214 if (conn
->printer
) {
1216 * Printers are handled completely differently.
1217 * Most of the passed parameters are ignored.
1221 *pinfo
= FILE_WAS_CREATED
;
1224 DEBUG(10, ("open_file_ntcreate: printer open fname=%s\n", fname
));
1226 return print_fsp_open(conn
, fname
, fsp
, psbuf
);
1229 if (!parent_dirname_talloc(talloc_tos(), fname
, &parent_dir
,
1231 return NT_STATUS_NO_MEMORY
;
1234 if (new_dos_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
1236 unx_mode
= (mode_t
)(new_dos_attributes
& ~FILE_FLAG_POSIX_SEMANTICS
);
1237 new_dos_attributes
= 0;
1239 /* We add aARCH to this as this mode is only used if the file is
1241 unx_mode
= unix_mode(conn
, new_dos_attributes
| aARCH
, fname
,
1245 DEBUG(10, ("open_file_ntcreate: fname=%s, dos_attrs=0x%x "
1246 "access_mask=0x%x share_access=0x%x "
1247 "create_disposition = 0x%x create_options=0x%x "
1248 "unix mode=0%o oplock_request=%d\n",
1249 fname
, new_dos_attributes
, access_mask
, share_access
,
1250 create_disposition
, create_options
, unx_mode
,
1253 if ((req
== NULL
) && ((oplock_request
& INTERNAL_OPEN_ONLY
) == 0)) {
1254 DEBUG(0, ("No smb request but not an internal only open!\n"));
1255 return NT_STATUS_INTERNAL_ERROR
;
1259 * Only non-internal opens can be deferred at all
1263 && ((pml
= get_open_deferred_message(req
->mid
)) != NULL
)) {
1264 struct deferred_open_record
*state
=
1265 (struct deferred_open_record
*)pml
->private_data
.data
;
1267 /* Remember the absolute time of the original
1268 request with this mid. We'll use it later to
1269 see if this has timed out. */
1271 request_time
= pml
->request_time
;
1273 /* Remove the deferred open entry under lock. */
1274 lck
= get_share_mode_lock(talloc_tos(), state
->id
, NULL
, NULL
,
1277 DEBUG(0, ("could not get share mode lock\n"));
1279 del_deferred_open_entry(lck
, req
->mid
);
1283 /* Ensure we don't reprocess this message. */
1284 remove_deferred_open_smb_message(req
->mid
);
1287 status
= check_name(conn
, fname
);
1288 if (!NT_STATUS_IS_OK(status
)) {
1293 new_dos_attributes
&= SAMBA_ATTRIBUTES_MASK
;
1295 existing_dos_attributes
= dos_mode(conn
, fname
, psbuf
);
1299 /* ignore any oplock requests if oplocks are disabled */
1300 if (!lp_oplocks(SNUM(conn
)) || global_client_failed_oplock_break
||
1301 IS_VETO_OPLOCK_PATH(conn
, fname
)) {
1302 /* Mask off everything except the private Samba bits. */
1303 oplock_request
&= SAMBA_PRIVATE_OPLOCK_MASK
;
1306 /* this is for OS/2 long file names - say we don't support them */
1307 if (!lp_posix_pathnames() && strstr(fname
,".+,;=[].")) {
1308 /* OS/2 Workplace shell fix may be main code stream in a later
1310 DEBUG(5,("open_file_ntcreate: OS/2 long filenames are not "
1312 if (use_nt_status()) {
1313 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1315 return NT_STATUS_DOS(ERRDOS
, ERRcannotopen
);
1318 switch( create_disposition
) {
1320 * Currently we're using FILE_SUPERSEDE as the same as
1321 * FILE_OVERWRITE_IF but they really are
1322 * different. FILE_SUPERSEDE deletes an existing file
1323 * (requiring delete access) then recreates it.
1325 case FILE_SUPERSEDE
:
1326 /* If file exists replace/overwrite. If file doesn't
1328 flags2
|= (O_CREAT
| O_TRUNC
);
1332 case FILE_OVERWRITE_IF
:
1333 /* If file exists replace/overwrite. If file doesn't
1335 flags2
|= (O_CREAT
| O_TRUNC
);
1340 /* If file exists open. If file doesn't exist error. */
1341 if (!file_existed
) {
1342 DEBUG(5,("open_file_ntcreate: FILE_OPEN "
1343 "requested for file %s and file "
1344 "doesn't exist.\n", fname
));
1346 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1350 case FILE_OVERWRITE
:
1351 /* If file exists overwrite. If file doesn't exist
1353 if (!file_existed
) {
1354 DEBUG(5,("open_file_ntcreate: FILE_OVERWRITE "
1355 "requested for file %s and file "
1356 "doesn't exist.\n", fname
));
1358 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
1365 /* If file exists error. If file doesn't exist
1368 DEBUG(5,("open_file_ntcreate: FILE_CREATE "
1369 "requested for file %s and file "
1370 "already exists.\n", fname
));
1371 if (S_ISDIR(psbuf
->st_mode
)) {
1376 return map_nt_error_from_unix(errno
);
1378 flags2
|= (O_CREAT
|O_EXCL
);
1382 /* If file exists open. If file doesn't exist
1388 return NT_STATUS_INVALID_PARAMETER
;
1391 /* We only care about matching attributes on file exists and
1394 if (!posix_open
&& file_existed
&& ((create_disposition
== FILE_OVERWRITE
) ||
1395 (create_disposition
== FILE_OVERWRITE_IF
))) {
1396 if (!open_match_attributes(conn
, fname
,
1397 existing_dos_attributes
,
1398 new_dos_attributes
, psbuf
->st_mode
,
1399 unx_mode
, &new_unx_mode
)) {
1400 DEBUG(5,("open_file_ntcreate: attributes missmatch "
1401 "for file %s (%x %x) (0%o, 0%o)\n",
1402 fname
, existing_dos_attributes
,
1404 (unsigned int)psbuf
->st_mode
,
1405 (unsigned int)unx_mode
));
1407 return NT_STATUS_ACCESS_DENIED
;
1411 /* This is a nasty hack - must fix... JRA. */
1412 if (access_mask
== MAXIMUM_ALLOWED_ACCESS
) {
1413 open_access_mask
= access_mask
= FILE_GENERIC_ALL
;
1417 * Convert GENERIC bits to specific bits.
1420 se_map_generic(&access_mask
, &file_generic_mapping
);
1421 open_access_mask
= access_mask
;
1423 if ((flags2
& O_TRUNC
) || (oplock_request
& FORCE_OPLOCK_BREAK_TO_NONE
)) {
1424 open_access_mask
|= FILE_WRITE_DATA
; /* This will cause oplock breaks. */
1427 DEBUG(10, ("open_file_ntcreate: fname=%s, after mapping "
1428 "access_mask=0x%x\n", fname
, access_mask
));
1431 * Note that we ignore the append flag as append does not
1432 * mean the same thing under DOS and Unix.
1435 if ((access_mask
& (FILE_WRITE_DATA
| FILE_APPEND_DATA
)) ||
1436 (oplock_request
& FORCE_OPLOCK_BREAK_TO_NONE
)) {
1437 /* DENY_DOS opens are always underlying read-write on the
1438 file handle, no matter what the requested access mask
1440 if ((create_options
& NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
) ||
1441 access_mask
& (FILE_READ_ATTRIBUTES
|FILE_READ_DATA
|FILE_READ_EA
|FILE_EXECUTE
)) {
1451 * Currently we only look at FILE_WRITE_THROUGH for create options.
1455 if ((create_options
& FILE_WRITE_THROUGH
) && lp_strict_sync(SNUM(conn
))) {
1460 if (posix_open
&& (access_mask
& FILE_APPEND_DATA
)) {
1464 if (!posix_open
&& !CAN_WRITE(conn
)) {
1466 * We should really return a permission denied error if either
1467 * O_CREAT or O_TRUNC are set, but for compatibility with
1468 * older versions of Samba we just AND them out.
1470 flags2
&= ~(O_CREAT
|O_TRUNC
);
1474 * Ensure we can't write on a read-only share or file.
1477 if (flags
!= O_RDONLY
&& file_existed
&&
1478 (!CAN_WRITE(conn
) || IS_DOS_READONLY(existing_dos_attributes
))) {
1479 DEBUG(5,("open_file_ntcreate: write access requested for "
1480 "file %s on read only %s\n",
1481 fname
, !CAN_WRITE(conn
) ? "share" : "file" ));
1483 return NT_STATUS_ACCESS_DENIED
;
1486 fsp
->file_id
= vfs_file_id_from_sbuf(conn
, psbuf
);
1487 fsp
->share_access
= share_access
;
1488 fsp
->fh
->private_options
= create_options
;
1489 fsp
->access_mask
= open_access_mask
; /* We change this to the
1490 * requested access_mask after
1491 * the open is done. */
1492 fsp
->posix_open
= posix_open
;
1494 /* Ensure no SAMBA_PRIVATE bits can be set. */
1495 fsp
->oplock_type
= (oplock_request
& ~SAMBA_PRIVATE_OPLOCK_MASK
);
1497 if (timeval_is_zero(&request_time
)) {
1498 request_time
= fsp
->open_time
;
1502 struct timespec old_write_time
= get_mtimespec(psbuf
);
1503 id
= vfs_file_id_from_sbuf(conn
, psbuf
);
1505 lck
= get_share_mode_lock(talloc_tos(), id
,
1507 fname
, &old_write_time
);
1510 DEBUG(0, ("Could not get share mode lock\n"));
1511 return NT_STATUS_SHARING_VIOLATION
;
1514 /* First pass - send break only on batch oplocks. */
1516 && delay_for_oplocks(lck
, fsp
, req
->mid
, 1,
1518 schedule_defer_open(lck
, request_time
, req
);
1520 return NT_STATUS_SHARING_VIOLATION
;
1523 /* Use the client requested access mask here, not the one we
1525 status
= open_mode_check(conn
, fname
, lck
,
1526 access_mask
, share_access
,
1527 create_options
, &file_existed
);
1529 if (NT_STATUS_IS_OK(status
)) {
1530 /* We might be going to allow this open. Check oplock
1532 /* Second pass - send break for both batch or
1533 * exclusive oplocks. */
1535 && delay_for_oplocks(lck
, fsp
, req
->mid
, 2,
1537 schedule_defer_open(lck
, request_time
, req
);
1539 return NT_STATUS_SHARING_VIOLATION
;
1543 if (NT_STATUS_EQUAL(status
, NT_STATUS_DELETE_PENDING
)) {
1544 /* DELETE_PENDING is not deferred for a second */
1549 if (!NT_STATUS_IS_OK(status
)) {
1550 uint32 can_access_mask
;
1551 bool can_access
= True
;
1553 SMB_ASSERT(NT_STATUS_EQUAL(status
, NT_STATUS_SHARING_VIOLATION
));
1555 /* Check if this can be done with the deny_dos and fcb
1557 if (create_options
&
1558 (NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
|
1559 NTCREATEX_OPTIONS_PRIVATE_DENY_FCB
)) {
1561 DEBUG(0, ("DOS open without an SMB "
1564 return NT_STATUS_INTERNAL_ERROR
;
1567 /* Use the client requested access mask here,
1568 * not the one we open with. */
1569 status
= fcb_or_dos_open(conn
,
1579 if (NT_STATUS_IS_OK(status
)) {
1582 *pinfo
= FILE_WAS_OPENED
;
1584 return NT_STATUS_OK
;
1589 * This next line is a subtlety we need for
1590 * MS-Access. If a file open will fail due to share
1591 * permissions and also for security (access) reasons,
1592 * we need to return the access failed error, not the
1593 * share error. We can't open the file due to kernel
1594 * oplock deadlock (it's possible we failed above on
1595 * the open_mode_check()) so use a userspace check.
1598 if (flags
& O_RDWR
) {
1599 can_access_mask
= FILE_READ_DATA
|FILE_WRITE_DATA
;
1600 } else if (flags
& O_WRONLY
) {
1601 can_access_mask
= FILE_WRITE_DATA
;
1603 can_access_mask
= FILE_READ_DATA
;
1606 if (((can_access_mask
& FILE_WRITE_DATA
) && !CAN_WRITE(conn
)) ||
1607 !can_access_file(conn
,fname
,psbuf
,can_access_mask
)) {
1612 * If we're returning a share violation, ensure we
1613 * cope with the braindead 1 second delay.
1616 if (!(oplock_request
& INTERNAL_OPEN_ONLY
) &&
1617 lp_defer_sharing_violations()) {
1618 struct timeval timeout
;
1619 struct deferred_open_record state
;
1622 /* this is a hack to speed up torture tests
1624 timeout_usecs
= lp_parm_int(SNUM(conn
),
1625 "smbd","sharedelay",
1626 SHARING_VIOLATION_USEC_WAIT
);
1628 /* This is a relative time, added to the absolute
1629 request_time value to get the absolute timeout time.
1630 Note that if this is the second or greater time we enter
1631 this codepath for this particular request mid then
1632 request_time is left as the absolute time of the *first*
1633 time this request mid was processed. This is what allows
1634 the request to eventually time out. */
1636 timeout
= timeval_set(0, timeout_usecs
);
1638 /* Nothing actually uses state.delayed_for_oplocks
1639 but it's handy to differentiate in debug messages
1640 between a 30 second delay due to oplock break, and
1641 a 1 second delay for share mode conflicts. */
1643 state
.delayed_for_oplocks
= False
;
1647 && !request_timed_out(request_time
,
1649 defer_open(lck
, request_time
, timeout
,
1657 * We have detected a sharing violation here
1658 * so return the correct error code
1660 status
= NT_STATUS_SHARING_VIOLATION
;
1662 status
= NT_STATUS_ACCESS_DENIED
;
1668 * We exit this block with the share entry *locked*.....
1672 SMB_ASSERT(!file_existed
|| (lck
!= NULL
));
1675 * Ensure we pay attention to default ACLs on directories if required.
1678 if ((flags2
& O_CREAT
) && lp_inherit_acls(SNUM(conn
)) &&
1679 (def_acl
= directory_has_default_acl(conn
, parent_dir
))) {
1683 DEBUG(4,("calling open_file with flags=0x%X flags2=0x%X mode=0%o, "
1684 "access_mask = 0x%x, open_access_mask = 0x%x\n",
1685 (unsigned int)flags
, (unsigned int)flags2
,
1686 (unsigned int)unx_mode
, (unsigned int)access_mask
,
1687 (unsigned int)open_access_mask
));
1690 * open_file strips any O_TRUNC flags itself.
1693 fsp_open
= open_file(fsp
, conn
, req
, parent_dir
, newname
, fname
, psbuf
,
1694 flags
|flags2
, unx_mode
, access_mask
,
1697 if (!NT_STATUS_IS_OK(fsp_open
)) {
1704 if (!file_existed
) {
1705 struct timespec old_write_time
= get_mtimespec(psbuf
);
1707 * Deal with the race condition where two smbd's detect the
1708 * file doesn't exist and do the create at the same time. One
1709 * of them will win and set a share mode, the other (ie. this
1710 * one) should check if the requested share mode for this
1711 * create is allowed.
1715 * Now the file exists and fsp is successfully opened,
1716 * fsp->dev and fsp->inode are valid and should replace the
1717 * dev=0,inode=0 from a non existent file. Spotted by
1718 * Nadav Danieli <nadavd@exanet.com>. JRA.
1723 lck
= get_share_mode_lock(talloc_tos(), id
,
1725 fname
, &old_write_time
);
1728 DEBUG(0, ("open_file_ntcreate: Could not get share "
1729 "mode lock for %s\n", fname
));
1731 return NT_STATUS_SHARING_VIOLATION
;
1734 /* First pass - send break only on batch oplocks. */
1736 && delay_for_oplocks(lck
, fsp
, req
->mid
, 1,
1738 schedule_defer_open(lck
, request_time
, req
);
1741 return NT_STATUS_SHARING_VIOLATION
;
1744 status
= open_mode_check(conn
, fname
, lck
,
1745 access_mask
, share_access
,
1746 create_options
, &file_existed
);
1748 if (NT_STATUS_IS_OK(status
)) {
1749 /* We might be going to allow this open. Check oplock
1751 /* Second pass - send break for both batch or
1752 * exclusive oplocks. */
1754 && delay_for_oplocks(lck
, fsp
, req
->mid
, 2,
1756 schedule_defer_open(lck
, request_time
, req
);
1759 return NT_STATUS_SHARING_VIOLATION
;
1763 if (!NT_STATUS_IS_OK(status
)) {
1764 struct deferred_open_record state
;
1768 state
.delayed_for_oplocks
= False
;
1771 /* Do it all over again immediately. In the second
1772 * round we will find that the file existed and handle
1773 * the DELETE_PENDING and FCB cases correctly. No need
1774 * to duplicate the code here. Essentially this is a
1775 * "goto top of this function", but don't tell
1779 defer_open(lck
, request_time
, timeval_zero(),
1787 * We exit this block with the share entry *locked*.....
1792 SMB_ASSERT(lck
!= NULL
);
1794 /* Delete streams if create_disposition requires it */
1795 if (file_existed
&& clear_ads
&& !is_ntfs_stream_name(fname
)) {
1796 status
= delete_all_streams(conn
, fname
);
1797 if (!NT_STATUS_IS_OK(status
)) {
1804 /* note that we ignore failure for the following. It is
1805 basically a hack for NFS, and NFS will never set one of
1806 these only read them. Nobody but Samba can ever set a deny
1807 mode and we have already checked our more authoritative
1808 locking database for permission to set this deny mode. If
1809 the kernel refuses the operations then the kernel is wrong.
1810 note that GPFS supports it as well - jmcd */
1812 if (fsp
->fh
->fd
!= -1) {
1813 ret_flock
= SMB_VFS_KERNEL_FLOCK(fsp
, share_access
);
1814 if(ret_flock
== -1 ){
1819 return NT_STATUS_SHARING_VIOLATION
;
1824 * At this point onwards, we can guarentee that the share entry
1825 * is locked, whether we created the file or not, and that the
1826 * deny mode is compatible with all current opens.
1830 * If requested, truncate the file.
1833 if (flags2
&O_TRUNC
) {
1835 * We are modifing the file after open - update the stat
1838 if ((SMB_VFS_FTRUNCATE(fsp
, 0) == -1) ||
1839 (SMB_VFS_FSTAT(fsp
, psbuf
)==-1)) {
1840 status
= map_nt_error_from_unix(errno
);
1847 /* Record the options we were opened with. */
1848 fsp
->share_access
= share_access
;
1849 fsp
->fh
->private_options
= create_options
;
1850 fsp
->access_mask
= access_mask
;
1853 /* stat opens on existing files don't get oplocks. */
1854 if (is_stat_open(open_access_mask
)) {
1855 fsp
->oplock_type
= NO_OPLOCK
;
1858 if (!(flags2
& O_TRUNC
)) {
1859 info
= FILE_WAS_OPENED
;
1861 info
= FILE_WAS_OVERWRITTEN
;
1864 info
= FILE_WAS_CREATED
;
1872 * Setup the oplock info in both the shared memory and
1876 if (!set_file_oplock(fsp
, fsp
->oplock_type
)) {
1877 /* Could not get the kernel oplock */
1878 fsp
->oplock_type
= NO_OPLOCK
;
1881 if (info
== FILE_WAS_OVERWRITTEN
|| info
== FILE_WAS_CREATED
|| info
== FILE_WAS_SUPERSEDED
) {
1882 new_file_created
= True
;
1885 set_share_mode(lck
, fsp
, current_user
.ut
.uid
, 0,
1888 /* Handle strange delete on close create semantics. */
1889 if (create_options
& FILE_DELETE_ON_CLOSE
) {
1891 status
= can_set_delete_on_close(fsp
, True
, new_dos_attributes
);
1893 if (!NT_STATUS_IS_OK(status
)) {
1894 /* Remember to delete the mode we just added. */
1895 del_share_mode(lck
, fsp
);
1900 /* Note that here we set the *inital* delete on close flag,
1901 not the regular one. The magic gets handled in close. */
1902 fsp
->initial_delete_on_close
= True
;
1905 if (new_file_created
) {
1906 /* Files should be initially set as archive */
1907 if (lp_map_archive(SNUM(conn
)) ||
1908 lp_store_dos_attributes(SNUM(conn
))) {
1910 SMB_STRUCT_STAT tmp_sbuf
;
1911 SET_STAT_INVALID(tmp_sbuf
);
1912 if (file_set_dosmode(
1914 new_dos_attributes
| aARCH
,
1915 &tmp_sbuf
, parent_dir
,
1917 unx_mode
= tmp_sbuf
.st_mode
;
1924 * Take care of inherited ACLs on created files - if default ACL not
1928 if (!posix_open
&& !file_existed
&& !def_acl
) {
1930 int saved_errno
= errno
; /* We might get ENOSYS in the next
1933 if (SMB_VFS_FCHMOD_ACL(fsp
, unx_mode
) == -1 &&
1935 errno
= saved_errno
; /* Ignore ENOSYS */
1938 } else if (new_unx_mode
) {
1942 /* Attributes need changing. File already existed. */
1945 int saved_errno
= errno
; /* We might get ENOSYS in the
1947 ret
= SMB_VFS_FCHMOD_ACL(fsp
, new_unx_mode
);
1949 if (ret
== -1 && errno
== ENOSYS
) {
1950 errno
= saved_errno
; /* Ignore ENOSYS */
1952 DEBUG(5, ("open_file_ntcreate: reset "
1953 "attributes of file %s to 0%o\n",
1954 fname
, (unsigned int)new_unx_mode
));
1955 ret
= 0; /* Don't do the fchmod below. */
1960 (SMB_VFS_FCHMOD(fsp
, new_unx_mode
) == -1))
1961 DEBUG(5, ("open_file_ntcreate: failed to reset "
1962 "attributes of file %s to 0%o\n",
1963 fname
, (unsigned int)new_unx_mode
));
1966 /* If this is a successful open, we must remove any deferred open
1969 del_deferred_open_entry(lck
, req
->mid
);
1973 return NT_STATUS_OK
;
1976 /****************************************************************************
1977 Open a file with a share mode.
1978 ****************************************************************************/
1980 NTSTATUS
open_file_ntcreate(connection_struct
*conn
,
1981 struct smb_request
*req
,
1983 SMB_STRUCT_STAT
*psbuf
,
1984 uint32 access_mask
, /* access bits (FILE_READ_DATA etc.) */
1985 uint32 share_access
, /* share constants (FILE_SHARE_READ etc) */
1986 uint32 create_disposition
, /* FILE_OPEN_IF etc. */
1987 uint32 create_options
, /* options such as delete on close. */
1988 uint32 new_dos_attributes
, /* attributes used for new file. */
1989 int oplock_request
, /* internal Samba oplock codes. */
1990 /* Information (FILE_EXISTS etc.) */
1992 files_struct
**result
)
1995 files_struct
*fsp
= NULL
;
1999 status
= file_new(conn
, &fsp
);
2000 if(!NT_STATUS_IS_OK(status
)) {
2004 status
= open_file_ntcreate_internal(conn
,
2017 if(!NT_STATUS_IS_OK(status
)) {
2026 /****************************************************************************
2027 Open a file for for write to ensure that we can fchmod it.
2028 ****************************************************************************/
2030 NTSTATUS
open_file_fchmod(connection_struct
*conn
, const char *fname
,
2031 SMB_STRUCT_STAT
*psbuf
, files_struct
**result
)
2033 files_struct
*fsp
= NULL
;
2036 if (!VALID_STAT(*psbuf
)) {
2037 return NT_STATUS_INVALID_PARAMETER
;
2040 status
= file_new(conn
, &fsp
);
2041 if(!NT_STATUS_IS_OK(status
)) {
2045 /* note! we must use a non-zero desired access or we don't get
2046 a real file descriptor. Oh what a twisted web we weave. */
2047 status
= open_file(fsp
, conn
, NULL
, NULL
, NULL
, fname
, psbuf
, O_WRONLY
,
2048 0, FILE_WRITE_DATA
, FILE_WRITE_DATA
);
2051 * This is not a user visible file open.
2052 * Don't set a share mode.
2055 if (!NT_STATUS_IS_OK(status
)) {
2061 return NT_STATUS_OK
;
2064 /****************************************************************************
2065 Close the fchmod file fd - ensure no locks are lost.
2066 ****************************************************************************/
2068 NTSTATUS
close_file_fchmod(files_struct
*fsp
)
2070 NTSTATUS status
= fd_close(fsp
);
2075 static NTSTATUS
mkdir_internal(connection_struct
*conn
,
2077 uint32 file_attributes
,
2078 SMB_STRUCT_STAT
*psbuf
)
2082 const char *dirname
;
2084 bool posix_open
= false;
2086 if(!CAN_WRITE(conn
)) {
2087 DEBUG(5,("mkdir_internal: failing create on read-only share "
2088 "%s\n", lp_servicename(SNUM(conn
))));
2089 return NT_STATUS_ACCESS_DENIED
;
2092 status
= check_name(conn
, name
);
2093 if (!NT_STATUS_IS_OK(status
)) {
2097 if (!parent_dirname_talloc(talloc_tos(), name
, &parent_dir
,
2099 return NT_STATUS_NO_MEMORY
;
2102 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
2104 mode
= (mode_t
)(file_attributes
& ~FILE_FLAG_POSIX_SEMANTICS
);
2106 mode
= unix_mode(conn
, aDIR
, name
, parent_dir
);
2109 if (SMB_VFS_MKDIR(conn
, name
, mode
) != 0) {
2110 return map_nt_error_from_unix(errno
);
2113 /* Ensure we're checking for a symlink here.... */
2114 /* We don't want to get caught by a symlink racer. */
2116 if (SMB_VFS_LSTAT(conn
, name
, psbuf
) == -1) {
2117 DEBUG(2, ("Could not stat directory '%s' just created: %s\n",
2118 name
, strerror(errno
)));
2119 return map_nt_error_from_unix(errno
);
2122 if (!S_ISDIR(psbuf
->st_mode
)) {
2123 DEBUG(0, ("Directory just '%s' created is not a directory\n",
2125 return NT_STATUS_ACCESS_DENIED
;
2128 if (lp_store_dos_attributes(SNUM(conn
))) {
2130 file_set_dosmode(conn
, name
,
2131 file_attributes
| aDIR
, NULL
,
2137 if (lp_inherit_perms(SNUM(conn
))) {
2138 inherit_access_acl(conn
, parent_dir
, name
, mode
);
2141 if (!(file_attributes
& FILE_FLAG_POSIX_SEMANTICS
)) {
2143 * Check if high bits should have been set,
2144 * then (if bits are missing): add them.
2145 * Consider bits automagically set by UNIX, i.e. SGID bit from parent
2148 if (mode
& ~(S_IRWXU
|S_IRWXG
|S_IRWXO
) && (mode
& ~psbuf
->st_mode
)) {
2149 SMB_VFS_CHMOD(conn
, name
,
2150 psbuf
->st_mode
| (mode
& ~psbuf
->st_mode
));
2154 /* Change the owner if required. */
2155 if (lp_inherit_owner(SNUM(conn
))) {
2156 change_dir_owner_to_parent(conn
, parent_dir
, name
, psbuf
);
2159 notify_fname(conn
, NOTIFY_ACTION_ADDED
, FILE_NOTIFY_CHANGE_DIR_NAME
,
2162 return NT_STATUS_OK
;
2165 /****************************************************************************
2166 Open a directory from an NT SMB call.
2167 ****************************************************************************/
2169 NTSTATUS
open_directory(connection_struct
*conn
,
2170 struct smb_request
*req
,
2172 SMB_STRUCT_STAT
*psbuf
,
2174 uint32 share_access
,
2175 uint32 create_disposition
,
2176 uint32 create_options
,
2177 uint32 file_attributes
,
2179 files_struct
**result
)
2181 files_struct
*fsp
= NULL
;
2182 bool dir_existed
= VALID_STAT(*psbuf
) ? True
: False
;
2183 struct share_mode_lock
*lck
= NULL
;
2185 struct timespec mtimespec
;
2188 DEBUG(5,("open_directory: opening directory %s, access_mask = 0x%x, "
2189 "share_access = 0x%x create_options = 0x%x, "
2190 "create_disposition = 0x%x, file_attributes = 0x%x\n",
2192 (unsigned int)access_mask
,
2193 (unsigned int)share_access
,
2194 (unsigned int)create_options
,
2195 (unsigned int)create_disposition
,
2196 (unsigned int)file_attributes
));
2198 if (!(file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) &&
2199 (conn
->fs_capabilities
& FILE_NAMED_STREAMS
) &&
2200 is_ntfs_stream_name(fname
)) {
2201 DEBUG(2, ("open_directory: %s is a stream name!\n", fname
));
2202 return NT_STATUS_NOT_A_DIRECTORY
;
2205 switch( create_disposition
) {
2208 info
= FILE_WAS_OPENED
;
2211 * We want to follow symlinks here.
2214 if (SMB_VFS_STAT(conn
, fname
, psbuf
) != 0) {
2215 return map_nt_error_from_unix(errno
);
2222 /* If directory exists error. If directory doesn't
2225 status
= mkdir_internal(conn
,
2230 if (!NT_STATUS_IS_OK(status
)) {
2231 DEBUG(2, ("open_directory: unable to create "
2232 "%s. Error was %s\n", fname
,
2233 nt_errstr(status
)));
2237 info
= FILE_WAS_CREATED
;
2242 * If directory exists open. If directory doesn't
2246 status
= mkdir_internal(conn
,
2251 if (NT_STATUS_IS_OK(status
)) {
2252 info
= FILE_WAS_CREATED
;
2255 if (NT_STATUS_EQUAL(status
,
2256 NT_STATUS_OBJECT_NAME_COLLISION
)) {
2257 info
= FILE_WAS_OPENED
;
2258 status
= NT_STATUS_OK
;
2263 case FILE_SUPERSEDE
:
2264 case FILE_OVERWRITE
:
2265 case FILE_OVERWRITE_IF
:
2267 DEBUG(5,("open_directory: invalid create_disposition "
2268 "0x%x for directory %s\n",
2269 (unsigned int)create_disposition
, fname
));
2270 return NT_STATUS_INVALID_PARAMETER
;
2273 if(!S_ISDIR(psbuf
->st_mode
)) {
2274 DEBUG(5,("open_directory: %s is not a directory !\n",
2276 return NT_STATUS_NOT_A_DIRECTORY
;
2279 status
= file_new(conn
, &fsp
);
2280 if(!NT_STATUS_IS_OK(status
)) {
2285 * Setup the files_struct for it.
2288 fsp
->mode
= psbuf
->st_mode
;
2289 fsp
->file_id
= vfs_file_id_from_sbuf(conn
, psbuf
);
2290 fsp
->vuid
= req
? req
->vuid
: UID_FIELD_INVALID
;
2291 fsp
->file_pid
= req
? req
->smbpid
: 0;
2292 fsp
->can_lock
= False
;
2293 fsp
->can_read
= False
;
2294 fsp
->can_write
= False
;
2296 fsp
->share_access
= share_access
;
2297 fsp
->fh
->private_options
= create_options
;
2298 fsp
->access_mask
= access_mask
;
2300 fsp
->print_file
= False
;
2301 fsp
->modified
= False
;
2302 fsp
->oplock_type
= NO_OPLOCK
;
2303 fsp
->sent_oplock_break
= NO_BREAK_SENT
;
2304 fsp
->is_directory
= True
;
2305 fsp
->is_stat
= False
;
2306 fsp
->posix_open
= (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) ? True
: False
;
2308 string_set(&fsp
->fsp_name
,fname
);
2310 mtimespec
= get_mtimespec(psbuf
);
2312 lck
= get_share_mode_lock(talloc_tos(), fsp
->file_id
,
2317 DEBUG(0, ("open_directory: Could not get share mode lock for %s\n", fname
));
2319 return NT_STATUS_SHARING_VIOLATION
;
2322 status
= open_mode_check(conn
, fname
, lck
,
2323 access_mask
, share_access
,
2324 create_options
, &dir_existed
);
2326 if (!NT_STATUS_IS_OK(status
)) {
2332 set_share_mode(lck
, fsp
, current_user
.ut
.uid
, 0, NO_OPLOCK
);
2334 /* For directories the delete on close bit at open time seems
2335 always to be honored on close... See test 19 in Samba4 BASE-DELETE. */
2336 if (create_options
& FILE_DELETE_ON_CLOSE
) {
2337 status
= can_set_delete_on_close(fsp
, True
, 0);
2338 if (!NT_STATUS_IS_OK(status
) && !NT_STATUS_EQUAL(status
, NT_STATUS_DIRECTORY_NOT_EMPTY
)) {
2344 if (NT_STATUS_IS_OK(status
)) {
2345 /* Note that here we set the *inital* delete on close flag,
2346 not the regular one. The magic gets handled in close. */
2347 fsp
->initial_delete_on_close
= True
;
2358 return NT_STATUS_OK
;
2361 NTSTATUS
create_directory(connection_struct
*conn
, struct smb_request
*req
, const char *directory
)
2364 SMB_STRUCT_STAT sbuf
;
2367 SET_STAT_INVALID(sbuf
);
2369 status
= open_directory(conn
, req
, directory
, &sbuf
,
2370 FILE_READ_ATTRIBUTES
, /* Just a stat open */
2371 FILE_SHARE_NONE
, /* Ignored for stat opens */
2374 FILE_ATTRIBUTE_DIRECTORY
,
2378 if (NT_STATUS_IS_OK(status
)) {
2379 close_file(fsp
, NORMAL_CLOSE
);
2385 /****************************************************************************
2386 Open a pseudo-file (no locking checks - a 'stat' open).
2387 ****************************************************************************/
2389 NTSTATUS
open_file_stat(connection_struct
*conn
, struct smb_request
*req
,
2390 const char *fname
, SMB_STRUCT_STAT
*psbuf
,
2391 files_struct
**result
)
2393 files_struct
*fsp
= NULL
;
2396 if (!VALID_STAT(*psbuf
)) {
2397 return NT_STATUS_INVALID_PARAMETER
;
2400 /* Can't 'stat' open directories. */
2401 if(S_ISDIR(psbuf
->st_mode
)) {
2402 return NT_STATUS_FILE_IS_A_DIRECTORY
;
2405 status
= file_new(conn
, &fsp
);
2406 if(!NT_STATUS_IS_OK(status
)) {
2410 DEBUG(5,("open_file_stat: 'opening' file %s\n", fname
));
2413 * Setup the files_struct for it.
2416 fsp
->mode
= psbuf
->st_mode
;
2417 fsp
->file_id
= vfs_file_id_from_sbuf(conn
, psbuf
);
2418 fsp
->vuid
= req
? req
->vuid
: UID_FIELD_INVALID
;
2419 fsp
->file_pid
= req
? req
->smbpid
: 0;
2420 fsp
->can_lock
= False
;
2421 fsp
->can_read
= False
;
2422 fsp
->can_write
= False
;
2423 fsp
->print_file
= False
;
2424 fsp
->modified
= False
;
2425 fsp
->oplock_type
= NO_OPLOCK
;
2426 fsp
->sent_oplock_break
= NO_BREAK_SENT
;
2427 fsp
->is_directory
= False
;
2428 fsp
->is_stat
= True
;
2429 string_set(&fsp
->fsp_name
,fname
);
2432 return NT_STATUS_OK
;
2435 /****************************************************************************
2436 Receive notification that one of our open files has been renamed by another
2438 ****************************************************************************/
2440 void msg_file_was_renamed(struct messaging_context
*msg
,
2443 struct server_id server_id
,
2447 char *frm
= (char *)data
->data
;
2449 const char *sharepath
;
2450 const char *newname
;
2453 if (data
->data
== NULL
2454 || data
->length
< MSG_FILE_RENAMED_MIN_SIZE
+ 2) {
2455 DEBUG(0, ("msg_file_was_renamed: Got invalid msg len %d\n",
2456 (int)data
->length
));
2460 /* Unpack the message. */
2461 pull_file_id_16(frm
, &id
);
2462 sharepath
= &frm
[16];
2463 newname
= sharepath
+ strlen(sharepath
) + 1;
2464 sp_len
= strlen(sharepath
);
2466 DEBUG(10,("msg_file_was_renamed: Got rename message for sharepath %s, new name %s, "
2468 sharepath
, newname
, file_id_string_tos(&id
)));
2470 for(fsp
= file_find_di_first(id
); fsp
; fsp
= file_find_di_next(fsp
)) {
2471 if (memcmp(fsp
->conn
->connectpath
, sharepath
, sp_len
) == 0) {
2472 DEBUG(10,("msg_file_was_renamed: renaming file fnum %d from %s -> %s\n",
2473 fsp
->fnum
, fsp
->fsp_name
, newname
));
2474 string_set(&fsp
->fsp_name
, newname
);
2477 /* Now we have the complete path we can work out if this is
2478 actually within this share and adjust newname accordingly. */
2479 DEBUG(10,("msg_file_was_renamed: share mismatch (sharepath %s "
2480 "not sharepath %s) "
2481 "fnum %d from %s -> %s\n",
2482 fsp
->conn
->connectpath
,
2491 struct case_semantics_state
{
2492 connection_struct
*conn
;
2493 bool case_sensitive
;
2495 bool short_case_preserve
;
2498 /****************************************************************************
2499 Restore case semantics.
2500 ****************************************************************************/
2501 static int restore_case_semantics(struct case_semantics_state
*state
)
2503 state
->conn
->case_sensitive
= state
->case_sensitive
;
2504 state
->conn
->case_preserve
= state
->case_preserve
;
2505 state
->conn
->short_case_preserve
= state
->short_case_preserve
;
2509 /****************************************************************************
2510 Save case semantics.
2511 ****************************************************************************/
2512 static struct case_semantics_state
*set_posix_case_semantics(TALLOC_CTX
*mem_ctx
,
2513 connection_struct
*conn
)
2515 struct case_semantics_state
*result
;
2517 if (!(result
= talloc(mem_ctx
, struct case_semantics_state
))) {
2518 DEBUG(0, ("talloc failed\n"));
2522 result
->conn
= conn
;
2523 result
->case_sensitive
= conn
->case_sensitive
;
2524 result
->case_preserve
= conn
->case_preserve
;
2525 result
->short_case_preserve
= conn
->short_case_preserve
;
2528 conn
->case_sensitive
= True
;
2529 conn
->case_preserve
= True
;
2530 conn
->short_case_preserve
= True
;
2532 talloc_set_destructor(result
, restore_case_semantics
);
2538 * If a main file is opened for delete, all streams need to be checked for
2539 * !FILE_SHARE_DELETE. Do this by opening with DELETE_ACCESS.
2540 * If that works, delete them all by setting the delete on close and close.
2543 static NTSTATUS
open_streams_for_delete(connection_struct
*conn
,
2546 struct stream_struct
*stream_info
;
2547 files_struct
**streams
;
2549 unsigned int num_streams
;
2550 TALLOC_CTX
*frame
= talloc_stackframe();
2553 status
= SMB_VFS_STREAMINFO(conn
, NULL
, fname
, talloc_tos(),
2554 &num_streams
, &stream_info
);
2556 if (NT_STATUS_EQUAL(status
, NT_STATUS_NOT_IMPLEMENTED
)
2557 || NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
2558 DEBUG(10, ("no streams around\n"));
2560 return NT_STATUS_OK
;
2563 if (!NT_STATUS_IS_OK(status
)) {
2564 DEBUG(10, ("SMB_VFS_STREAMINFO failed: %s\n",
2565 nt_errstr(status
)));
2569 DEBUG(10, ("open_streams_for_delete found %d streams\n",
2572 if (num_streams
== 0) {
2574 return NT_STATUS_OK
;
2577 streams
= TALLOC_ARRAY(talloc_tos(), files_struct
*, num_streams
);
2578 if (streams
== NULL
) {
2579 DEBUG(0, ("talloc failed\n"));
2580 status
= NT_STATUS_NO_MEMORY
;
2584 for (i
=0; i
<num_streams
; i
++) {
2587 if (strequal(stream_info
[i
].name
, "::$DATA")) {
2592 streamname
= talloc_asprintf(talloc_tos(), "%s%s", fname
,
2593 stream_info
[i
].name
);
2595 if (streamname
== NULL
) {
2596 DEBUG(0, ("talloc_aprintf failed\n"));
2597 status
= NT_STATUS_NO_MEMORY
;
2601 status
= create_file_unixpath
2604 streamname
, /* fname */
2605 DELETE_ACCESS
, /* access_mask */
2606 FILE_SHARE_READ
| FILE_SHARE_WRITE
2607 | FILE_SHARE_DELETE
, /* share_access */
2608 FILE_OPEN
, /* create_disposition*/
2609 NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE
, /* create_options */
2610 FILE_ATTRIBUTE_NORMAL
, /* file_attributes */
2611 0, /* oplock_request */
2612 0, /* allocation_size */
2615 &streams
[i
], /* result */
2619 TALLOC_FREE(streamname
);
2621 if (!NT_STATUS_IS_OK(status
)) {
2622 DEBUG(10, ("Could not open stream %s: %s\n",
2623 streamname
, nt_errstr(status
)));
2629 * don't touch the variable "status" beyond this point :-)
2632 for (i
-= 1 ; i
>= 0; i
--) {
2633 if (streams
[i
] == NULL
) {
2637 DEBUG(10, ("Closing stream # %d, %s\n", i
,
2638 streams
[i
]->fsp_name
));
2639 close_file(streams
[i
], NORMAL_CLOSE
);
2648 * Wrapper around open_file_ntcreate and open_directory
2651 NTSTATUS
create_file_unixpath(connection_struct
*conn
,
2652 struct smb_request
*req
,
2654 uint32_t access_mask
,
2655 uint32_t share_access
,
2656 uint32_t create_disposition
,
2657 uint32_t create_options
,
2658 uint32_t file_attributes
,
2659 uint32_t oplock_request
,
2660 SMB_BIG_UINT allocation_size
,
2661 struct security_descriptor
*sd
,
2662 struct ea_list
*ea_list
,
2664 files_struct
**result
,
2666 SMB_STRUCT_STAT
*psbuf
)
2668 SMB_STRUCT_STAT sbuf
;
2669 int info
= FILE_WAS_OPENED
;
2670 files_struct
*base_fsp
= NULL
;
2671 files_struct
*fsp
= NULL
;
2674 DEBUG(10,("create_file_unixpath: access_mask = 0x%x "
2675 "file_attributes = 0x%x, share_access = 0x%x, "
2676 "create_disposition = 0x%x create_options = 0x%x "
2677 "oplock_request = 0x%x ea_list = 0x%p, sd = 0x%p, "
2679 (unsigned int)access_mask
,
2680 (unsigned int)file_attributes
,
2681 (unsigned int)share_access
,
2682 (unsigned int)create_disposition
,
2683 (unsigned int)create_options
,
2684 (unsigned int)oplock_request
,
2685 ea_list
, sd
, fname
));
2687 if (create_options
& FILE_OPEN_BY_FILE_ID
) {
2688 status
= NT_STATUS_NOT_SUPPORTED
;
2692 if (create_options
& NTCREATEX_OPTIONS_INVALID_PARAM_MASK
) {
2693 status
= NT_STATUS_INVALID_PARAMETER
;
2698 oplock_request
|= INTERNAL_OPEN_ONLY
;
2701 if (psbuf
!= NULL
) {
2705 if (SMB_VFS_STAT(conn
, fname
, &sbuf
) == -1) {
2706 SET_STAT_INVALID(sbuf
);
2710 if ((conn
->fs_capabilities
& FILE_NAMED_STREAMS
)
2711 && (access_mask
& DELETE_ACCESS
)
2712 && !is_ntfs_stream_name(fname
)) {
2714 * We can't open a file with DELETE access if any of the
2715 * streams is open without FILE_SHARE_DELETE
2717 status
= open_streams_for_delete(conn
, fname
);
2719 if (!NT_STATUS_IS_OK(status
)) {
2724 /* This is the correct thing to do (check every time) but can_delete
2725 * is expensive (it may have to read the parent directory
2726 * permissions). So for now we're not doing it unless we have a strong
2727 * hint the client is really going to delete this file. If the client
2728 * is forcing FILE_CREATE let the filesystem take care of the
2731 /* Setting FILE_SHARE_DELETE is the hint. */
2733 if (lp_acl_check_permissions(SNUM(conn
))
2734 && (create_disposition
!= FILE_CREATE
)
2735 && (share_access
& FILE_SHARE_DELETE
)
2736 && (access_mask
& DELETE_ACCESS
)
2737 && (!can_delete_file_in_directory(conn
, fname
))) {
2738 status
= NT_STATUS_ACCESS_DENIED
;
2743 /* We need to support SeSecurityPrivilege for this. */
2744 if ((access_mask
& SEC_RIGHT_SYSTEM_SECURITY
) &&
2745 !user_has_privileges(current_user
.nt_user_token
,
2747 status
= NT_STATUS_PRIVILEGE_NOT_HELD
;
2752 if ((conn
->fs_capabilities
& FILE_NAMED_STREAMS
)
2753 && is_ntfs_stream_name(fname
)
2754 && (!(create_options
& NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE
))) {
2756 uint32 base_create_disposition
;
2758 if (create_options
& FILE_DIRECTORY_FILE
) {
2759 status
= NT_STATUS_NOT_A_DIRECTORY
;
2763 status
= split_ntfs_stream_name(talloc_tos(), fname
,
2765 if (!NT_STATUS_IS_OK(status
)) {
2766 DEBUG(10, ("create_file_unixpath: "
2767 "split_ntfs_stream_name failed: %s\n",
2768 nt_errstr(status
)));
2772 SMB_ASSERT(!is_ntfs_stream_name(base
)); /* paranoia.. */
2774 switch (create_disposition
) {
2776 base_create_disposition
= FILE_OPEN
;
2779 base_create_disposition
= FILE_OPEN_IF
;
2783 DEBUG(10, ("Recursing into create_file_unixpath for "
2784 "base %s\n", base
));
2786 status
= create_file_unixpath(conn
, NULL
, base
, 0,
2789 | FILE_SHARE_DELETE
,
2790 base_create_disposition
,
2791 0, 0, 0, 0, NULL
, NULL
,
2792 &base_fsp
, NULL
, NULL
);
2793 if (!NT_STATUS_IS_OK(status
)) {
2794 DEBUG(10, ("create_file_unixpath for base %s failed: "
2795 "%s\n", base
, nt_errstr(status
)));
2798 /* we don't need to low level fd */
2803 * If it's a request for a directory open, deal with it separately.
2806 if (create_options
& FILE_DIRECTORY_FILE
) {
2808 if (create_options
& FILE_NON_DIRECTORY_FILE
) {
2809 status
= NT_STATUS_INVALID_PARAMETER
;
2813 /* Can't open a temp directory. IFS kit test. */
2814 if (file_attributes
& FILE_ATTRIBUTE_TEMPORARY
) {
2815 status
= NT_STATUS_INVALID_PARAMETER
;
2820 * We will get a create directory here if the Win32
2821 * app specified a security descriptor in the
2822 * CreateDirectory() call.
2826 status
= open_directory(
2827 conn
, req
, fname
, &sbuf
, access_mask
, share_access
,
2828 create_disposition
, create_options
, file_attributes
,
2833 * Ordinary file case.
2838 * We're opening the stream element of a base_fsp
2839 * we already opened. We need to initialize
2840 * the fsp first, and set up the base_fsp pointer.
2842 status
= file_new(conn
, &fsp
);
2843 if(!NT_STATUS_IS_OK(status
)) {
2847 fsp
->base_fsp
= base_fsp
;
2849 status
= open_file_ntcreate_internal(conn
,
2862 if(!NT_STATUS_IS_OK(status
)) {
2867 status
= open_file_ntcreate(
2868 conn
, req
, fname
, &sbuf
, access_mask
, share_access
,
2869 create_disposition
, create_options
, file_attributes
,
2870 oplock_request
, &info
, &fsp
);
2873 if (NT_STATUS_EQUAL(status
, NT_STATUS_FILE_IS_A_DIRECTORY
)) {
2875 /* A stream open never opens a directory */
2878 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
2883 * Fail the open if it was explicitly a non-directory
2887 if (create_options
& FILE_NON_DIRECTORY_FILE
) {
2888 status
= NT_STATUS_FILE_IS_A_DIRECTORY
;
2893 status
= open_directory(
2894 conn
, req
, fname
, &sbuf
, access_mask
,
2895 share_access
, create_disposition
,
2896 create_options
, file_attributes
,
2901 if (!NT_STATUS_IS_OK(status
)) {
2905 fsp
->base_fsp
= base_fsp
;
2908 * According to the MS documentation, the only time the security
2909 * descriptor is applied to the opened file is iff we *created* the
2910 * file; an existing file stays the same.
2912 * Also, it seems (from observation) that you can open the file with
2913 * any access mask but you can still write the sd. We need to override
2914 * the granted access before we call set_sd
2915 * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
2918 if ((sd
!= NULL
) && (info
== FILE_WAS_CREATED
)
2919 && lp_nt_acl_support(SNUM(conn
))) {
2921 uint32_t sec_info_sent
= ALL_SECURITY_INFORMATION
;
2922 uint32_t saved_access_mask
= fsp
->access_mask
;
2924 if (sd
->owner_sid
== NULL
) {
2925 sec_info_sent
&= ~OWNER_SECURITY_INFORMATION
;
2927 if (sd
->group_sid
== NULL
) {
2928 sec_info_sent
&= ~GROUP_SECURITY_INFORMATION
;
2930 if (sd
->sacl
== NULL
) {
2931 sec_info_sent
&= ~SACL_SECURITY_INFORMATION
;
2933 if (sd
->dacl
== NULL
) {
2934 sec_info_sent
&= ~DACL_SECURITY_INFORMATION
;
2937 fsp
->access_mask
= FILE_GENERIC_ALL
;
2939 status
= SMB_VFS_FSET_NT_ACL(fsp
, sec_info_sent
, sd
);
2941 fsp
->access_mask
= saved_access_mask
;
2943 if (!NT_STATUS_IS_OK(status
)) {
2948 if ((ea_list
!= NULL
) && (info
== FILE_WAS_CREATED
)) {
2949 status
= set_ea(conn
, fsp
, fname
, ea_list
);
2950 if (!NT_STATUS_IS_OK(status
)) {
2955 if (!fsp
->is_directory
&& S_ISDIR(sbuf
.st_mode
)) {
2956 status
= NT_STATUS_ACCESS_DENIED
;
2960 /* Save the requested allocation size. */
2961 if ((info
== FILE_WAS_CREATED
) || (info
== FILE_WAS_OVERWRITTEN
)) {
2963 && (allocation_size
> sbuf
.st_size
)) {
2964 fsp
->initial_allocation_size
= smb_roundup(
2965 fsp
->conn
, allocation_size
);
2966 if (fsp
->is_directory
) {
2967 /* Can't set allocation size on a directory. */
2968 status
= NT_STATUS_ACCESS_DENIED
;
2971 if (vfs_allocate_file_space(
2972 fsp
, fsp
->initial_allocation_size
) == -1) {
2973 status
= NT_STATUS_DISK_FULL
;
2977 fsp
->initial_allocation_size
= smb_roundup(
2978 fsp
->conn
, (SMB_BIG_UINT
)sbuf
.st_size
);
2982 DEBUG(10, ("create_file_unixpath: info=%d\n", info
));
2985 if (pinfo
!= NULL
) {
2988 if (psbuf
!= NULL
) {
2989 if ((fsp
->fh
== NULL
) || (fsp
->fh
->fd
== -1)) {
2993 SMB_VFS_FSTAT(fsp
, psbuf
);
2996 return NT_STATUS_OK
;
2999 DEBUG(10, ("create_file_unixpath: %s\n", nt_errstr(status
)));
3002 if (base_fsp
&& fsp
->base_fsp
== base_fsp
) {
3004 * The close_file below will close
3009 close_file(fsp
, ERROR_CLOSE
);
3012 if (base_fsp
!= NULL
) {
3013 close_file(base_fsp
, ERROR_CLOSE
);
3019 NTSTATUS
create_file(connection_struct
*conn
,
3020 struct smb_request
*req
,
3021 uint16_t root_dir_fid
,
3023 uint32_t access_mask
,
3024 uint32_t share_access
,
3025 uint32_t create_disposition
,
3026 uint32_t create_options
,
3027 uint32_t file_attributes
,
3028 uint32_t oplock_request
,
3029 SMB_BIG_UINT allocation_size
,
3030 struct security_descriptor
*sd
,
3031 struct ea_list
*ea_list
,
3033 files_struct
**result
,
3035 SMB_STRUCT_STAT
*psbuf
)
3037 struct case_semantics_state
*case_state
= NULL
;
3038 SMB_STRUCT_STAT sbuf
;
3039 int info
= FILE_WAS_OPENED
;
3040 files_struct
*fsp
= NULL
;
3043 DEBUG(10,("create_file: access_mask = 0x%x "
3044 "file_attributes = 0x%x, share_access = 0x%x, "
3045 "create_disposition = 0x%x create_options = 0x%x "
3046 "oplock_request = 0x%x "
3047 "root_dir_fid = 0x%x, ea_list = 0x%p, sd = 0x%p, "
3049 (unsigned int)access_mask
,
3050 (unsigned int)file_attributes
,
3051 (unsigned int)share_access
,
3052 (unsigned int)create_disposition
,
3053 (unsigned int)create_options
,
3054 (unsigned int)oplock_request
,
3055 (unsigned int)root_dir_fid
,
3056 ea_list
, sd
, fname
));
3058 /* MSDFS pathname processing must be done FIRST.
3059 MSDFS pathnames containing IPv6 addresses can
3060 be confused with NTFS stream names (they contain
3061 ":" characters. JRA. */
3063 if ((req
!= NULL
) && (req
->flags2
& FLAGS2_DFS_PATHNAMES
)) {
3064 char *resolved_fname
;
3066 status
= resolve_dfspath(talloc_tos(), conn
, true, fname
,
3069 if (!NT_STATUS_IS_OK(status
)) {
3071 * For PATH_NOT_COVERED we had
3072 * reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
3073 * ERRSRV, ERRbadpath);
3074 * Need to fix in callers
3078 fname
= resolved_fname
;
3082 * Get the file name.
3085 if (root_dir_fid
!= 0) {
3087 * This filename is relative to a directory fid.
3089 char *parent_fname
= NULL
;
3090 files_struct
*dir_fsp
= file_fsp(root_dir_fid
);
3092 if (dir_fsp
== NULL
) {
3093 status
= NT_STATUS_INVALID_HANDLE
;
3097 if (!dir_fsp
->is_directory
) {
3100 * Check to see if this is a mac fork of some kind.
3103 if ((conn
->fs_capabilities
& FILE_NAMED_STREAMS
) &&
3104 is_ntfs_stream_name(fname
)) {
3105 status
= NT_STATUS_OBJECT_PATH_NOT_FOUND
;
3110 we need to handle the case when we get a
3111 relative open relative to a file and the
3112 pathname is blank - this is a reopen!
3113 (hint from demyn plantenberg)
3116 status
= NT_STATUS_INVALID_HANDLE
;
3120 if (ISDOT(dir_fsp
->fsp_name
)) {
3122 * We're at the toplevel dir, the final file name
3123 * must not contain ./, as this is filtered out
3124 * normally by srvstr_get_path and unix_convert
3125 * explicitly rejects paths containing ./.
3127 parent_fname
= talloc_strdup(talloc_tos(), "");
3128 if (parent_fname
== NULL
) {
3129 status
= NT_STATUS_NO_MEMORY
;
3133 size_t dir_name_len
= strlen(dir_fsp
->fsp_name
);
3136 * Copy in the base directory name.
3139 parent_fname
= TALLOC_ARRAY(talloc_tos(), char,
3141 if (parent_fname
== NULL
) {
3142 status
= NT_STATUS_NO_MEMORY
;
3145 memcpy(parent_fname
, dir_fsp
->fsp_name
,
3149 * Ensure it ends in a '/'.
3150 * We used TALLOC_SIZE +2 to add space for the '/'.
3154 && (parent_fname
[dir_name_len
-1] != '\\')
3155 && (parent_fname
[dir_name_len
-1] != '/')) {
3156 parent_fname
[dir_name_len
] = '/';
3157 parent_fname
[dir_name_len
+1] = '\0';
3161 fname
= talloc_asprintf(talloc_tos(), "%s%s", parent_fname
,
3163 if (fname
== NULL
) {
3164 status
= NT_STATUS_NO_MEMORY
;
3170 * Check to see if this is a mac fork of some kind.
3173 if (is_ntfs_stream_name(fname
)) {
3174 enum FAKE_FILE_TYPE fake_file_type
;
3176 fake_file_type
= is_fake_file(fname
);
3178 if (fake_file_type
!= FAKE_FILE_TYPE_NONE
) {
3181 * Here we go! support for changing the disk quotas
3184 * We need to fake up to open this MAGIC QUOTA file
3185 * and return a valid FID.
3187 * w2k close this file directly after openening xp
3188 * also tries a QUERY_FILE_INFO on the file and then
3192 status
= open_fake_file(conn
, fake_file_type
, fname
,
3194 if (!NT_STATUS_IS_OK(status
)) {
3202 if (!(conn
->fs_capabilities
& FILE_NAMED_STREAMS
)) {
3203 status
= NT_STATUS_OBJECT_PATH_NOT_FOUND
;
3209 * Check if POSIX semantics are wanted.
3212 if (file_attributes
& FILE_FLAG_POSIX_SEMANTICS
) {
3213 case_state
= set_posix_case_semantics(talloc_tos(), conn
);
3214 file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
3218 char *converted_fname
;
3220 SET_STAT_INVALID(sbuf
);
3222 status
= unix_convert(talloc_tos(), conn
, fname
, False
,
3223 &converted_fname
, NULL
, &sbuf
);
3224 if (!NT_STATUS_IS_OK(status
)) {
3227 fname
= converted_fname
;
3230 TALLOC_FREE(case_state
);
3232 /* All file access must go through check_name() */
3234 status
= check_name(conn
, fname
);
3235 if (!NT_STATUS_IS_OK(status
)) {
3239 status
= create_file_unixpath(
3240 conn
, req
, fname
, access_mask
, share_access
,
3241 create_disposition
, create_options
, file_attributes
,
3242 oplock_request
, allocation_size
, sd
, ea_list
,
3243 &fsp
, &info
, &sbuf
);
3245 if (!NT_STATUS_IS_OK(status
)) {
3250 DEBUG(10, ("create_file: info=%d\n", info
));
3253 if (pinfo
!= NULL
) {
3256 if (psbuf
!= NULL
) {
3259 return NT_STATUS_OK
;
3262 DEBUG(10, ("create_file: %s\n", nt_errstr(status
)));
3265 close_file(fsp
, ERROR_CLOSE
);