2 Unix SMB/CIFS implementation.
3 Main SMB reply routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Andrew Bartlett 2001
6 Copyright (C) Jeremy Allison 1992-2007.
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 2 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, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 This file handles most of the reply_ calls that the server
24 makes to handle specific protocols
29 /* look in server.c for some explanation of these variables */
30 extern enum protocol_types Protocol
;
33 unsigned int smb_echo_count
= 0;
34 extern uint32 global_client_caps
;
36 extern struct current_user current_user
;
37 extern BOOL global_encrypted_passwords_negotiated
;
39 /****************************************************************************
40 Ensure we check the path in *exactly* the same way as W2K for a findfirst/findnext
41 path or anything including wildcards.
42 We're assuming here that '/' is not the second byte in any multibyte char
43 set (a safe assumption). '\\' *may* be the second byte in a multibyte char
45 ****************************************************************************/
47 /* Custom version for processing POSIX paths. */
48 #define IS_PATH_SEP(c,posix_only) ((c) == '/' || (!(posix_only) && (c) == '\\'))
50 NTSTATUS
check_path_syntax_internal(pstring destname
,
51 const pstring srcname
,
53 BOOL
*p_last_component_contains_wcard
)
56 const char *s
= srcname
;
57 NTSTATUS ret
= NT_STATUS_OK
;
58 BOOL start_of_name_component
= True
;
60 *p_last_component_contains_wcard
= False
;
63 if (IS_PATH_SEP(*s
,posix_path
)) {
65 * Safe to assume is not the second part of a mb char
66 * as this is handled below.
68 /* Eat multiple '/' or '\\' */
69 while (IS_PATH_SEP(*s
,posix_path
)) {
72 if ((d
!= destname
) && (*s
!= '\0')) {
73 /* We only care about non-leading or trailing '/' or '\\' */
77 start_of_name_component
= True
;
79 *p_last_component_contains_wcard
= False
;
83 if (start_of_name_component
) {
84 if ((s
[0] == '.') && (s
[1] == '.') && (IS_PATH_SEP(s
[2],posix_path
) || s
[2] == '\0')) {
85 /* Uh oh - "/../" or "\\..\\" or "/..\0" or "\\..\0" ! */
88 * No mb char starts with '.' so we're safe checking the directory separator here.
91 /* If we just added a '/' - delete it */
92 if ((d
> destname
) && (*(d
-1) == '/')) {
97 /* Are we at the start ? Can't go back further if so. */
99 ret
= NT_STATUS_OBJECT_PATH_SYNTAX_BAD
;
102 /* Go back one level... */
103 /* We know this is safe as '/' cannot be part of a mb sequence. */
104 /* NOTE - if this assumption is invalid we are not in good shape... */
105 /* Decrement d first as d points to the *next* char to write into. */
106 for (d
--; d
> destname
; d
--) {
110 s
+= 2; /* Else go past the .. */
111 /* We're still at the start of a name component, just the previous one. */
114 } else if ((s
[0] == '.') && ((s
[1] == '\0') || IS_PATH_SEP(s
[1],posix_path
))) {
127 return NT_STATUS_OBJECT_NAME_INVALID
;
135 *p_last_component_contains_wcard
= True
;
144 /* Get the size of the next MB character. */
145 next_codepoint(s
,&siz
);
163 DEBUG(0,("check_path_syntax_internal: character length assumptions invalid !\n"));
165 return NT_STATUS_INVALID_PARAMETER
;
168 start_of_name_component
= False
;
175 /****************************************************************************
176 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
177 No wildcards allowed.
178 ****************************************************************************/
180 NTSTATUS
check_path_syntax(pstring destname
, const pstring srcname
)
183 return check_path_syntax_internal(destname
, srcname
, False
, &ignore
);
186 /****************************************************************************
187 Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
188 Wildcards allowed - p_contains_wcard returns true if the last component contained
190 ****************************************************************************/
192 NTSTATUS
check_path_syntax_wcard(pstring destname
, const pstring srcname
, BOOL
*p_contains_wcard
)
194 return check_path_syntax_internal(destname
, srcname
, False
, p_contains_wcard
);
197 /****************************************************************************
198 Check the path for a POSIX client.
199 We're assuming here that '/' is not the second byte in any multibyte char
200 set (a safe assumption).
201 ****************************************************************************/
203 NTSTATUS
check_path_syntax_posix(pstring destname
, const pstring srcname
)
206 return check_path_syntax_internal(destname
, srcname
, True
, &ignore
);
209 /****************************************************************************
210 Pull a string and check the path allowing a wilcard - provide for error return.
211 ****************************************************************************/
213 size_t srvstr_get_path_wcard(char *inbuf
, char *dest
, const char *src
, size_t dest_len
, size_t src_len
, int flags
,
214 NTSTATUS
*err
, BOOL
*contains_wcard
)
217 char *tmppath_ptr
= tmppath
;
220 SMB_ASSERT(dest_len
== sizeof(pstring
));
224 ret
= srvstr_pull_buf( inbuf
, tmppath_ptr
, src
, dest_len
, flags
);
226 ret
= srvstr_pull( inbuf
, tmppath_ptr
, src
, dest_len
, src_len
, flags
);
229 *contains_wcard
= False
;
231 if (SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
) {
233 * For a DFS path the function parse_dfs_path()
234 * will do the path processing, just make a copy.
236 pstrcpy(dest
, tmppath
);
241 if (lp_posix_pathnames()) {
242 *err
= check_path_syntax_posix(dest
, tmppath
);
244 *err
= check_path_syntax_wcard(dest
, tmppath
, contains_wcard
);
250 /****************************************************************************
251 Pull a string and check the path - provide for error return.
252 ****************************************************************************/
254 size_t srvstr_get_path(char *inbuf
, char *dest
, const char *src
, size_t dest_len
, size_t src_len
, int flags
, NTSTATUS
*err
)
257 char *tmppath_ptr
= tmppath
;
260 SMB_ASSERT(dest_len
== sizeof(pstring
));
264 ret
= srvstr_pull_buf( inbuf
, tmppath_ptr
, src
, dest_len
, flags
);
266 ret
= srvstr_pull( inbuf
, tmppath_ptr
, src
, dest_len
, src_len
, flags
);
269 if (SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
) {
271 * For a DFS path the function parse_dfs_path()
272 * will do the path processing, just make a copy.
274 pstrcpy(dest
, tmppath
);
279 if (lp_posix_pathnames()) {
280 *err
= check_path_syntax_posix(dest
, tmppath
);
282 *err
= check_path_syntax(dest
, tmppath
);
288 /****************************************************************************
289 Reply to a special message.
290 ****************************************************************************/
292 int reply_special(char *inbuf
,char *outbuf
)
295 int msg_type
= CVAL(inbuf
,0);
296 int msg_flags
= CVAL(inbuf
,1);
300 static BOOL already_got_session
= False
;
304 memset(outbuf
,'\0',smb_size
);
306 smb_setlen(inbuf
,outbuf
,0);
309 case 0x81: /* session request */
311 if (already_got_session
) {
312 exit_server_cleanly("multiple session request not permitted");
315 SCVAL(outbuf
,0,0x82);
317 if (name_len(inbuf
+4) > 50 ||
318 name_len(inbuf
+4 + name_len(inbuf
+ 4)) > 50) {
319 DEBUG(0,("Invalid name length in session request\n"));
322 name_extract(inbuf
,4,name1
);
323 name_type
= name_extract(inbuf
,4 + name_len(inbuf
+ 4),name2
);
324 DEBUG(2,("netbios connect: name1=%s name2=%s\n",
327 set_local_machine_name(name1
, True
);
328 set_remote_machine_name(name2
, True
);
330 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
331 get_local_machine_name(), get_remote_machine_name(),
334 if (name_type
== 'R') {
335 /* We are being asked for a pathworks session ---
337 SCVAL(outbuf
, 0,0x83);
341 /* only add the client's machine name to the list
342 of possibly valid usernames if we are operating
343 in share mode security */
344 if (lp_security() == SEC_SHARE
) {
345 add_session_user(get_remote_machine_name());
348 reload_services(True
);
351 already_got_session
= True
;
354 case 0x89: /* session keepalive request
355 (some old clients produce this?) */
356 SCVAL(outbuf
,0,SMBkeepalive
);
360 case 0x82: /* positive session response */
361 case 0x83: /* negative session response */
362 case 0x84: /* retarget session response */
363 DEBUG(0,("Unexpected session response\n"));
366 case SMBkeepalive
: /* session keepalive */
371 DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
372 msg_type
, msg_flags
));
377 /****************************************************************************
379 conn POINTER CAN BE NULL HERE !
380 ****************************************************************************/
382 int reply_tcon(connection_struct
*conn
,
383 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
390 uint16 vuid
= SVAL(inbuf
,smb_uid
);
394 DATA_BLOB password_blob
;
396 START_PROFILE(SMBtcon
);
398 *service_buf
= *password
= *dev
= 0;
400 p
= smb_buf(inbuf
)+1;
401 p
+= srvstr_pull_buf(inbuf
, service_buf
, p
, sizeof(service_buf
), STR_TERMINATE
) + 1;
402 pwlen
= srvstr_pull_buf(inbuf
, password
, p
, sizeof(password
), STR_TERMINATE
) + 1;
404 p
+= srvstr_pull_buf(inbuf
, dev
, p
, sizeof(dev
), STR_TERMINATE
) + 1;
406 p
= strrchr_m(service_buf
,'\\');
410 service
= service_buf
;
413 password_blob
= data_blob(password
, pwlen
+1);
415 conn
= make_connection(service
,password_blob
,dev
,vuid
,&nt_status
);
417 data_blob_clear_free(&password_blob
);
420 END_PROFILE(SMBtcon
);
421 return ERROR_NT(nt_status
);
424 outsize
= set_message(inbuf
,outbuf
,2,0,True
);
425 SSVAL(outbuf
,smb_vwv0
,max_recv
);
426 SSVAL(outbuf
,smb_vwv1
,conn
->cnum
);
427 SSVAL(outbuf
,smb_tid
,conn
->cnum
);
429 DEBUG(3,("tcon service=%s cnum=%d\n",
430 service
, conn
->cnum
));
432 END_PROFILE(SMBtcon
);
436 /****************************************************************************
437 Reply to a tcon and X.
438 conn POINTER CAN BE NULL HERE !
439 ****************************************************************************/
441 int reply_tcon_and_X(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
446 /* what the cleint thinks the device is */
447 fstring client_devicetype
;
448 /* what the server tells the client the share represents */
449 const char *server_devicetype
;
451 uint16 vuid
= SVAL(inbuf
,smb_uid
);
452 int passlen
= SVAL(inbuf
,smb_vwv3
);
455 uint16 tcon_flags
= SVAL(inbuf
,smb_vwv2
);
457 START_PROFILE(SMBtconX
);
459 *service
= *client_devicetype
= 0;
461 /* we might have to close an old one */
462 if ((SVAL(inbuf
,smb_vwv2
) & 0x1) && conn
) {
463 close_cnum(conn
,vuid
);
466 if (passlen
> MAX_PASS_LEN
) {
467 return ERROR_DOS(ERRDOS
,ERRbuftoosmall
);
470 if (global_encrypted_passwords_negotiated
) {
471 password
= data_blob(smb_buf(inbuf
),passlen
);
472 if (lp_security() == SEC_SHARE
) {
474 * Security = share always has a pad byte
475 * after the password.
477 p
= smb_buf(inbuf
) + passlen
+ 1;
479 p
= smb_buf(inbuf
) + passlen
;
482 password
= data_blob(smb_buf(inbuf
),passlen
+1);
483 /* Ensure correct termination */
484 password
.data
[passlen
]=0;
485 p
= smb_buf(inbuf
) + passlen
+ 1;
488 p
+= srvstr_pull_buf(inbuf
, path
, p
, sizeof(path
), STR_TERMINATE
);
491 * the service name can be either: \\server\share
492 * or share directly like on the DELL PowerVault 705
495 q
= strchr_m(path
+2,'\\');
497 END_PROFILE(SMBtconX
);
498 return(ERROR_DOS(ERRDOS
,ERRnosuchshare
));
500 fstrcpy(service
,q
+1);
503 fstrcpy(service
,path
);
505 p
+= srvstr_pull(inbuf
, client_devicetype
, p
, sizeof(client_devicetype
), 6, STR_ASCII
);
507 DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype
, service
));
509 conn
= make_connection(service
,password
,client_devicetype
,vuid
,&nt_status
);
511 data_blob_clear_free(&password
);
514 END_PROFILE(SMBtconX
);
515 return ERROR_NT(nt_status
);
519 server_devicetype
= "IPC";
520 else if ( IS_PRINT(conn
) )
521 server_devicetype
= "LPT1:";
523 server_devicetype
= "A:";
525 if (Protocol
< PROTOCOL_NT1
) {
526 set_message(inbuf
,outbuf
,2,0,True
);
528 p
+= srvstr_push(outbuf
, p
, server_devicetype
, -1,
529 STR_TERMINATE
|STR_ASCII
);
530 set_message_end(inbuf
,outbuf
,p
);
532 /* NT sets the fstype of IPC$ to the null string */
533 const char *fstype
= IS_IPC(conn
) ? "" : lp_fstype(SNUM(conn
));
535 if (tcon_flags
& TCONX_FLAG_EXTENDED_RESPONSE
) {
536 /* Return permissions. */
540 set_message(inbuf
,outbuf
,7,0,True
);
543 perm1
= FILE_ALL_ACCESS
;
544 perm2
= FILE_ALL_ACCESS
;
546 perm1
= CAN_WRITE(conn
) ?
551 SIVAL(outbuf
, smb_vwv3
, perm1
);
552 SIVAL(outbuf
, smb_vwv5
, perm2
);
554 set_message(inbuf
,outbuf
,3,0,True
);
558 p
+= srvstr_push(outbuf
, p
, server_devicetype
, -1,
559 STR_TERMINATE
|STR_ASCII
);
560 p
+= srvstr_push(outbuf
, p
, fstype
, -1,
563 set_message_end(inbuf
,outbuf
,p
);
565 /* what does setting this bit do? It is set by NT4 and
566 may affect the ability to autorun mounted cdroms */
567 SSVAL(outbuf
, smb_vwv2
, SMB_SUPPORT_SEARCH_BITS
|
568 (lp_csc_policy(SNUM(conn
)) << 2));
570 init_dfsroot(conn
, inbuf
, outbuf
);
574 DEBUG(3,("tconX service=%s \n",
577 /* set the incoming and outgoing tid to the just created one */
578 SSVAL(inbuf
,smb_tid
,conn
->cnum
);
579 SSVAL(outbuf
,smb_tid
,conn
->cnum
);
581 END_PROFILE(SMBtconX
);
582 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
585 /****************************************************************************
586 Reply to an unknown type.
587 ****************************************************************************/
589 int reply_unknown(char *inbuf
,char *outbuf
)
592 type
= CVAL(inbuf
,smb_com
);
594 DEBUG(0,("unknown command type (%s): type=%d (0x%X)\n",
595 smb_fn_name(type
), type
, type
));
597 return(ERROR_DOS(ERRSRV
,ERRunknownsmb
));
600 /****************************************************************************
602 conn POINTER CAN BE NULL HERE !
603 ****************************************************************************/
605 int reply_ioctl(connection_struct
*conn
,
606 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
608 uint16 device
= SVAL(inbuf
,smb_vwv1
);
609 uint16 function
= SVAL(inbuf
,smb_vwv2
);
610 uint32 ioctl_code
= (device
<< 16) + function
;
611 int replysize
, outsize
;
613 START_PROFILE(SMBioctl
);
615 DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code
));
617 switch (ioctl_code
) {
618 case IOCTL_QUERY_JOB_INFO
:
622 END_PROFILE(SMBioctl
);
623 return(ERROR_DOS(ERRSRV
,ERRnosupport
));
626 outsize
= set_message(inbuf
,outbuf
,8,replysize
+1,True
);
627 SSVAL(outbuf
,smb_vwv1
,replysize
); /* Total data bytes returned */
628 SSVAL(outbuf
,smb_vwv5
,replysize
); /* Data bytes this buffer */
629 SSVAL(outbuf
,smb_vwv6
,52); /* Offset to data */
630 p
= smb_buf(outbuf
) + 1; /* Allow for alignment */
632 switch (ioctl_code
) {
633 case IOCTL_QUERY_JOB_INFO
:
635 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
637 END_PROFILE(SMBioctl
);
638 return(UNIXERROR(ERRDOS
,ERRbadfid
));
640 SSVAL(p
,0,fsp
->rap_print_jobid
); /* Job number */
641 srvstr_push(outbuf
, p
+2, global_myname(), 15, STR_TERMINATE
|STR_ASCII
);
643 srvstr_push(outbuf
, p
+18, lp_servicename(SNUM(conn
)), 13, STR_TERMINATE
|STR_ASCII
);
649 END_PROFILE(SMBioctl
);
653 /****************************************************************************
654 Strange checkpath NTSTATUS mapping.
655 ****************************************************************************/
657 static NTSTATUS
map_checkpath_error(const char *inbuf
, NTSTATUS status
)
659 /* Strange DOS error code semantics only for checkpath... */
660 if (!(SVAL(inbuf
,smb_flg2
) & FLAGS2_32_BIT_ERROR_CODES
)) {
661 if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_INVALID
,status
)) {
662 /* We need to map to ERRbadpath */
663 return NT_STATUS_OBJECT_PATH_NOT_FOUND
;
669 /****************************************************************************
670 Reply to a checkpath.
671 ****************************************************************************/
673 int reply_checkpath(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
677 SMB_STRUCT_STAT sbuf
;
680 START_PROFILE(SMBcheckpath
);
682 srvstr_get_path(inbuf
, name
, smb_buf(inbuf
) + 1, sizeof(name
), 0, STR_TERMINATE
, &status
);
683 if (!NT_STATUS_IS_OK(status
)) {
684 END_PROFILE(SMBcheckpath
);
685 status
= map_checkpath_error(inbuf
, status
);
686 return ERROR_NT(status
);
689 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, name
);
690 if (!NT_STATUS_IS_OK(status
)) {
691 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
692 END_PROFILE(SMBcheckpath
);
693 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
698 DEBUG(3,("reply_checkpath %s mode=%d\n", name
, (int)SVAL(inbuf
,smb_vwv0
)));
700 status
= unix_convert(conn
, name
, False
, NULL
, &sbuf
);
701 if (!NT_STATUS_IS_OK(status
)) {
705 status
= check_name(conn
, name
);
706 if (!NT_STATUS_IS_OK(status
)) {
707 DEBUG(3,("reply_checkpath: check_name of %s failed (%s)\n",name
,nt_errstr(status
)));
711 if (!VALID_STAT(sbuf
) && (SMB_VFS_STAT(conn
,name
,&sbuf
) != 0)) {
712 DEBUG(3,("reply_checkpath: stat of %s failed (%s)\n",name
,strerror(errno
)));
713 status
= map_nt_error_from_unix(errno
);
717 if (!S_ISDIR(sbuf
.st_mode
)) {
718 END_PROFILE(SMBcheckpath
);
719 return ERROR_BOTH(NT_STATUS_NOT_A_DIRECTORY
,ERRDOS
,ERRbadpath
);
722 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
724 END_PROFILE(SMBcheckpath
);
729 END_PROFILE(SMBcheckpath
);
731 /* We special case this - as when a Windows machine
732 is parsing a path is steps through the components
733 one at a time - if a component fails it expects
734 ERRbadpath, not ERRbadfile.
736 status
= map_checkpath_error(inbuf
, status
);
737 if(NT_STATUS_EQUAL(status
, NT_STATUS_OBJECT_NAME_NOT_FOUND
)) {
739 * Windows returns different error codes if
740 * the parent directory is valid but not the
741 * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
742 * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
743 * if the path is invalid.
745 return ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND
,ERRDOS
,ERRbadpath
);
748 return ERROR_NT(status
);
751 /****************************************************************************
753 ****************************************************************************/
755 int reply_getatr(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
759 SMB_STRUCT_STAT sbuf
;
766 START_PROFILE(SMBgetatr
);
768 p
= smb_buf(inbuf
) + 1;
769 p
+= srvstr_get_path(inbuf
, fname
, p
, sizeof(fname
), 0, STR_TERMINATE
, &status
);
770 if (!NT_STATUS_IS_OK(status
)) {
771 END_PROFILE(SMBgetatr
);
772 return ERROR_NT(status
);
775 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
776 if (!NT_STATUS_IS_OK(status
)) {
777 END_PROFILE(SMBgetatr
);
778 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
779 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
781 return ERROR_NT(status
);
784 /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
785 under WfWg - weird! */
786 if (*fname
== '\0') {
787 mode
= aHIDDEN
| aDIR
;
788 if (!CAN_WRITE(conn
)) {
794 status
= unix_convert(conn
, fname
, False
, NULL
,&sbuf
);
795 if (!NT_STATUS_IS_OK(status
)) {
796 END_PROFILE(SMBgetatr
);
797 return ERROR_NT(status
);
799 status
= check_name(conn
, fname
);
800 if (!NT_STATUS_IS_OK(status
)) {
801 DEBUG(3,("reply_getatr: check_name of %s failed (%s)\n",fname
,nt_errstr(status
)));
802 END_PROFILE(SMBgetatr
);
803 return ERROR_NT(status
);
805 if (!VALID_STAT(sbuf
) && (SMB_VFS_STAT(conn
,fname
,&sbuf
) != 0)) {
806 DEBUG(3,("reply_getatr: stat of %s failed (%s)\n",fname
,strerror(errno
)));
807 return UNIXERROR(ERRDOS
,ERRbadfile
);
810 mode
= dos_mode(conn
,fname
,&sbuf
);
812 mtime
= sbuf
.st_mtime
;
818 outsize
= set_message(inbuf
,outbuf
,10,0,True
);
820 SSVAL(outbuf
,smb_vwv0
,mode
);
821 if(lp_dos_filetime_resolution(SNUM(conn
)) ) {
822 srv_put_dos_date3(outbuf
,smb_vwv1
,mtime
& ~1);
824 srv_put_dos_date3(outbuf
,smb_vwv1
,mtime
);
826 SIVAL(outbuf
,smb_vwv3
,(uint32
)size
);
828 if (Protocol
>= PROTOCOL_NT1
) {
829 SSVAL(outbuf
,smb_flg2
,SVAL(outbuf
, smb_flg2
) | FLAGS2_IS_LONG_NAME
);
832 DEBUG(3,("reply_getatr: name=%s mode=%d size=%u\n", fname
, mode
, (unsigned int)size
) );
834 END_PROFILE(SMBgetatr
);
838 /****************************************************************************
840 ****************************************************************************/
842 int reply_setatr(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
848 SMB_STRUCT_STAT sbuf
;
852 START_PROFILE(SMBsetatr
);
854 p
= smb_buf(inbuf
) + 1;
855 p
+= srvstr_get_path(inbuf
, fname
, p
, sizeof(fname
), 0, STR_TERMINATE
, &status
);
856 if (!NT_STATUS_IS_OK(status
)) {
857 END_PROFILE(SMBsetatr
);
858 return ERROR_NT(status
);
861 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
862 if (!NT_STATUS_IS_OK(status
)) {
863 END_PROFILE(SMBsetatr
);
864 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
865 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
867 return ERROR_NT(status
);
870 status
= unix_convert(conn
, fname
, False
, NULL
, &sbuf
);
871 if (!NT_STATUS_IS_OK(status
)) {
872 END_PROFILE(SMBsetatr
);
873 return ERROR_NT(status
);
876 status
= check_name(conn
, fname
);
877 if (!NT_STATUS_IS_OK(status
)) {
878 END_PROFILE(SMBsetatr
);
879 return ERROR_NT(status
);
882 if (fname
[0] == '.' && fname
[1] == '\0') {
884 * Not sure here is the right place to catch this
885 * condition. Might be moved to somewhere else later -- vl
887 END_PROFILE(SMBsetatr
);
888 return ERROR_NT(NT_STATUS_ACCESS_DENIED
);
891 mode
= SVAL(inbuf
,smb_vwv0
);
892 mtime
= srv_make_unix_date3(inbuf
+smb_vwv1
);
894 if (mode
!= FILE_ATTRIBUTE_NORMAL
) {
895 if (VALID_STAT_OF_DIR(sbuf
))
900 if (file_set_dosmode(conn
,fname
,mode
,&sbuf
,False
) != 0) {
901 END_PROFILE(SMBsetatr
);
902 return UNIXERROR(ERRDOS
, ERRnoaccess
);
906 if (!set_filetime(conn
,fname
,convert_time_t_to_timespec(mtime
))) {
907 END_PROFILE(SMBsetatr
);
908 return UNIXERROR(ERRDOS
, ERRnoaccess
);
911 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
913 DEBUG( 3, ( "setatr name=%s mode=%d\n", fname
, mode
) );
915 END_PROFILE(SMBsetatr
);
919 /****************************************************************************
921 ****************************************************************************/
923 int reply_dskattr(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
926 SMB_BIG_UINT dfree
,dsize
,bsize
;
927 START_PROFILE(SMBdskattr
);
929 if (get_dfree_info(conn
,".",True
,&bsize
,&dfree
,&dsize
) == (SMB_BIG_UINT
)-1) {
930 END_PROFILE(SMBdskattr
);
931 return(UNIXERROR(ERRHRD
,ERRgeneral
));
934 outsize
= set_message(inbuf
,outbuf
,5,0,True
);
936 if (Protocol
<= PROTOCOL_LANMAN2
) {
937 double total_space
, free_space
;
938 /* we need to scale this to a number that DOS6 can handle. We
939 use floating point so we can handle large drives on systems
940 that don't have 64 bit integers
942 we end up displaying a maximum of 2G to DOS systems
944 total_space
= dsize
* (double)bsize
;
945 free_space
= dfree
* (double)bsize
;
947 dsize
= (total_space
+63*512) / (64*512);
948 dfree
= (free_space
+63*512) / (64*512);
950 if (dsize
> 0xFFFF) dsize
= 0xFFFF;
951 if (dfree
> 0xFFFF) dfree
= 0xFFFF;
953 SSVAL(outbuf
,smb_vwv0
,dsize
);
954 SSVAL(outbuf
,smb_vwv1
,64); /* this must be 64 for dos systems */
955 SSVAL(outbuf
,smb_vwv2
,512); /* and this must be 512 */
956 SSVAL(outbuf
,smb_vwv3
,dfree
);
958 SSVAL(outbuf
,smb_vwv0
,dsize
);
959 SSVAL(outbuf
,smb_vwv1
,bsize
/512);
960 SSVAL(outbuf
,smb_vwv2
,512);
961 SSVAL(outbuf
,smb_vwv3
,dfree
);
964 DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree
));
966 END_PROFILE(SMBdskattr
);
970 /****************************************************************************
972 Can be called from SMBsearch, SMBffirst or SMBfunique.
973 ****************************************************************************/
975 int reply_search(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
985 unsigned int numentries
= 0;
986 unsigned int maxentries
= 0;
987 BOOL finished
= False
;
993 BOOL check_descend
= False
;
994 BOOL expect_close
= False
;
996 BOOL mask_contains_wcard
= False
;
997 BOOL allow_long_path_components
= (SVAL(inbuf
,smb_flg2
) & FLAGS2_LONG_PATH_COMPONENTS
) ? True
: False
;
999 START_PROFILE(SMBsearch
);
1001 if (lp_posix_pathnames()) {
1002 END_PROFILE(SMBsearch
);
1003 return reply_unknown(inbuf
, outbuf
);
1006 *mask
= *directory
= *fname
= 0;
1008 /* If we were called as SMBffirst then we must expect close. */
1009 if(CVAL(inbuf
,smb_com
) == SMBffirst
) {
1010 expect_close
= True
;
1013 outsize
= set_message(inbuf
,outbuf
,1,3,True
);
1014 maxentries
= SVAL(inbuf
,smb_vwv0
);
1015 dirtype
= SVAL(inbuf
,smb_vwv1
);
1016 p
= smb_buf(inbuf
) + 1;
1017 p
+= srvstr_get_path_wcard(inbuf
, path
, p
, sizeof(path
), 0, STR_TERMINATE
, &nt_status
, &mask_contains_wcard
);
1018 if (!NT_STATUS_IS_OK(nt_status
)) {
1019 END_PROFILE(SMBsearch
);
1020 return ERROR_NT(nt_status
);
1023 nt_status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, path
, &mask_contains_wcard
);
1024 if (!NT_STATUS_IS_OK(nt_status
)) {
1025 END_PROFILE(SMBsearch
);
1026 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_PATH_NOT_COVERED
)) {
1027 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
1029 return ERROR_NT(nt_status
);
1033 status_len
= SVAL(p
, 0);
1036 /* dirtype &= ~aDIR; */
1038 if (status_len
== 0) {
1039 SMB_STRUCT_STAT sbuf
;
1041 pstrcpy(directory
,path
);
1042 nt_status
= unix_convert(conn
, directory
, True
, NULL
, &sbuf
);
1043 if (!NT_STATUS_IS_OK(nt_status
)) {
1044 END_PROFILE(SMBsearch
);
1045 return ERROR_NT(nt_status
);
1048 nt_status
= check_name(conn
, directory
);
1049 if (!NT_STATUS_IS_OK(nt_status
)) {
1050 END_PROFILE(SMBsearch
);
1051 return ERROR_NT(nt_status
);
1054 p
= strrchr_m(directory
,'/');
1056 pstrcpy(mask
,directory
);
1057 pstrcpy(directory
,".");
1063 if (*directory
== '\0') {
1064 pstrcpy(directory
,".");
1066 memset((char *)status
,'\0',21);
1067 SCVAL(status
,0,(dirtype
& 0x1F));
1071 memcpy(status
,p
,21);
1072 status_dirtype
= CVAL(status
,0) & 0x1F;
1073 if (status_dirtype
!= (dirtype
& 0x1F)) {
1074 dirtype
= status_dirtype
;
1077 conn
->dirptr
= dptr_fetch(status
+12,&dptr_num
);
1078 if (!conn
->dirptr
) {
1081 string_set(&conn
->dirpath
,dptr_path(dptr_num
));
1082 pstrcpy(mask
, dptr_wcard(dptr_num
));
1084 * For a 'continue' search we have no string. So
1085 * check from the initial saved string.
1087 mask_contains_wcard
= ms_has_wild(mask
);
1090 p
= smb_buf(outbuf
) + 3;
1092 if (status_len
== 0) {
1093 nt_status
= dptr_create(conn
,
1097 SVAL(inbuf
,smb_pid
),
1099 mask_contains_wcard
,
1102 if (!NT_STATUS_IS_OK(nt_status
)) {
1103 return ERROR_NT(nt_status
);
1105 dptr_num
= dptr_dnum(conn
->dirptr
);
1107 dirtype
= dptr_attr(dptr_num
);
1110 DEBUG(4,("dptr_num is %d\n",dptr_num
));
1112 if ((dirtype
&0x1F) == aVOLID
) {
1113 memcpy(p
,status
,21);
1114 make_dir_struct(p
,"???????????",volume_label(SNUM(conn
)),
1115 0,aVOLID
,0,!allow_long_path_components
);
1116 dptr_fill(p
+12,dptr_num
);
1117 if (dptr_zero(p
+12) && (status_len
==0)) {
1122 p
+= DIR_STRUCT_SIZE
;
1125 maxentries
= MIN(maxentries
, ((BUFFER_SIZE
- (p
- outbuf
))/DIR_STRUCT_SIZE
));
1127 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
1128 conn
->dirpath
,lp_dontdescend(SNUM(conn
))));
1129 if (in_list(conn
->dirpath
, lp_dontdescend(SNUM(conn
)),True
)) {
1130 check_descend
= True
;
1133 for (i
=numentries
;(i
<maxentries
) && !finished
;i
++) {
1134 finished
= !get_dir_entry(conn
,mask
,dirtype
,fname
,&size
,&mode
,&date
,check_descend
);
1136 memcpy(p
,status
,21);
1137 make_dir_struct(p
,mask
,fname
,size
, mode
,date
,
1138 !allow_long_path_components
);
1139 if (!dptr_fill(p
+12,dptr_num
)) {
1143 p
+= DIR_STRUCT_SIZE
;
1150 /* If we were called as SMBffirst with smb_search_id == NULL
1151 and no entries were found then return error and close dirptr
1154 if (numentries
== 0) {
1155 dptr_close(&dptr_num
);
1156 } else if(expect_close
&& status_len
== 0) {
1157 /* Close the dptr - we know it's gone */
1158 dptr_close(&dptr_num
);
1161 /* If we were called as SMBfunique, then we can close the dirptr now ! */
1162 if(dptr_num
>= 0 && CVAL(inbuf
,smb_com
) == SMBfunique
) {
1163 dptr_close(&dptr_num
);
1166 if ((numentries
== 0) && !mask_contains_wcard
) {
1167 return ERROR_BOTH(STATUS_NO_MORE_FILES
,ERRDOS
,ERRnofiles
);
1170 SSVAL(outbuf
,smb_vwv0
,numentries
);
1171 SSVAL(outbuf
,smb_vwv1
,3 + numentries
* DIR_STRUCT_SIZE
);
1172 SCVAL(smb_buf(outbuf
),0,5);
1173 SSVAL(smb_buf(outbuf
),1,numentries
*DIR_STRUCT_SIZE
);
1175 /* The replies here are never long name. */
1176 SSVAL(outbuf
,smb_flg2
,SVAL(outbuf
, smb_flg2
) & (~FLAGS2_IS_LONG_NAME
));
1177 if (!allow_long_path_components
) {
1178 SSVAL(outbuf
,smb_flg2
,SVAL(outbuf
, smb_flg2
) & (~FLAGS2_LONG_PATH_COMPONENTS
));
1181 /* This SMB *always* returns ASCII names. Remove the unicode bit in flags2. */
1182 SSVAL(outbuf
,smb_flg2
, (SVAL(outbuf
, smb_flg2
) & (~FLAGS2_UNICODE_STRINGS
)));
1184 outsize
+= DIR_STRUCT_SIZE
*numentries
;
1185 smb_setlen(inbuf
,outbuf
,outsize
- 4);
1187 if ((! *directory
) && dptr_path(dptr_num
))
1188 slprintf(directory
, sizeof(directory
)-1, "(%s)",dptr_path(dptr_num
));
1190 DEBUG( 4, ( "%s mask=%s path=%s dtype=%d nument=%u of %u\n",
1191 smb_fn_name(CVAL(inbuf
,smb_com
)),
1192 mask
, directory
, dirtype
, numentries
, maxentries
) );
1194 END_PROFILE(SMBsearch
);
1198 /****************************************************************************
1199 Reply to a fclose (stop directory search).
1200 ****************************************************************************/
1202 int reply_fclose(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
1211 BOOL path_contains_wcard
= False
;
1213 START_PROFILE(SMBfclose
);
1215 if (lp_posix_pathnames()) {
1216 END_PROFILE(SMBfclose
);
1217 return reply_unknown(inbuf
, outbuf
);
1220 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
1221 p
= smb_buf(inbuf
) + 1;
1222 p
+= srvstr_get_path_wcard(inbuf
, path
, p
, sizeof(path
), 0, STR_TERMINATE
, &err
, &path_contains_wcard
);
1223 if (!NT_STATUS_IS_OK(err
)) {
1224 END_PROFILE(SMBfclose
);
1225 return ERROR_NT(err
);
1228 status_len
= SVAL(p
,0);
1231 if (status_len
== 0) {
1232 END_PROFILE(SMBfclose
);
1233 return ERROR_DOS(ERRSRV
,ERRsrverror
);
1236 memcpy(status
,p
,21);
1238 if(dptr_fetch(status
+12,&dptr_num
)) {
1239 /* Close the dptr - we know it's gone */
1240 dptr_close(&dptr_num
);
1243 SSVAL(outbuf
,smb_vwv0
,0);
1245 DEBUG(3,("search close\n"));
1247 END_PROFILE(SMBfclose
);
1251 /****************************************************************************
1253 ****************************************************************************/
1255 int reply_open(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
1263 SMB_STRUCT_STAT sbuf
;
1265 int oplock_request
= CORE_OPLOCK_REQUEST(inbuf
);
1267 uint32 dos_attr
= SVAL(inbuf
,smb_vwv1
);
1270 uint32 create_disposition
;
1271 uint32 create_options
= 0;
1273 START_PROFILE(SMBopen
);
1275 deny_mode
= SVAL(inbuf
,smb_vwv0
);
1277 srvstr_get_path(inbuf
, fname
, smb_buf(inbuf
)+1, sizeof(fname
), 0, STR_TERMINATE
, &status
);
1278 if (!NT_STATUS_IS_OK(status
)) {
1279 END_PROFILE(SMBopen
);
1280 return ERROR_NT(status
);
1283 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
1284 if (!NT_STATUS_IS_OK(status
)) {
1285 END_PROFILE(SMBopen
);
1286 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1287 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
1289 return ERROR_NT(status
);
1292 status
= unix_convert(conn
, fname
, False
, NULL
, &sbuf
);
1293 if (!NT_STATUS_IS_OK(status
)) {
1294 END_PROFILE(SMBopen
);
1295 return ERROR_NT(status
);
1298 status
= check_name(conn
, fname
);
1299 if (!NT_STATUS_IS_OK(status
)) {
1300 END_PROFILE(SMBopen
);
1301 return ERROR_NT(status
);
1304 if (!map_open_params_to_ntcreate(fname
, deny_mode
, OPENX_FILE_EXISTS_OPEN
,
1305 &access_mask
, &share_mode
, &create_disposition
, &create_options
)) {
1306 END_PROFILE(SMBopen
);
1307 return ERROR_NT(NT_STATUS_DOS(ERRDOS
, ERRbadaccess
));
1310 status
= open_file_ntcreate(conn
,fname
,&sbuf
,
1319 if (!NT_STATUS_IS_OK(status
)) {
1320 END_PROFILE(SMBopen
);
1321 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
1322 /* We have re-scheduled this call. */
1325 return ERROR_NT(status
);
1328 size
= sbuf
.st_size
;
1329 fattr
= dos_mode(conn
,fname
,&sbuf
);
1330 mtime
= sbuf
.st_mtime
;
1333 DEBUG(3,("attempt to open a directory %s\n",fname
));
1334 close_file(fsp
,ERROR_CLOSE
);
1335 END_PROFILE(SMBopen
);
1336 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1339 outsize
= set_message(inbuf
,outbuf
,7,0,True
);
1340 SSVAL(outbuf
,smb_vwv0
,fsp
->fnum
);
1341 SSVAL(outbuf
,smb_vwv1
,fattr
);
1342 if(lp_dos_filetime_resolution(SNUM(conn
)) ) {
1343 srv_put_dos_date3(outbuf
,smb_vwv2
,mtime
& ~1);
1345 srv_put_dos_date3(outbuf
,smb_vwv2
,mtime
);
1347 SIVAL(outbuf
,smb_vwv4
,(uint32
)size
);
1348 SSVAL(outbuf
,smb_vwv6
,deny_mode
);
1350 if (oplock_request
&& lp_fake_oplocks(SNUM(conn
))) {
1351 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1354 if(EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
)) {
1355 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1357 END_PROFILE(SMBopen
);
1361 /****************************************************************************
1362 Reply to an open and X.
1363 ****************************************************************************/
1365 int reply_open_and_X(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
1368 uint16 open_flags
= SVAL(inbuf
,smb_vwv2
);
1369 int deny_mode
= SVAL(inbuf
,smb_vwv3
);
1370 uint32 smb_attr
= SVAL(inbuf
,smb_vwv5
);
1371 /* Breakout the oplock request bits so we can set the
1372 reply bits separately. */
1373 int ex_oplock_request
= EXTENDED_OPLOCK_REQUEST(inbuf
);
1374 int core_oplock_request
= CORE_OPLOCK_REQUEST(inbuf
);
1375 int oplock_request
= ex_oplock_request
| core_oplock_request
;
1377 int smb_sattr
= SVAL(inbuf
,smb_vwv4
);
1378 uint32 smb_time
= make_unix_date3(inbuf
+smb_vwv6
);
1380 int smb_ofun
= SVAL(inbuf
,smb_vwv8
);
1383 SMB_STRUCT_STAT sbuf
;
1387 SMB_BIG_UINT allocation_size
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_vwv9
);
1388 ssize_t retval
= -1;
1391 uint32 create_disposition
;
1392 uint32 create_options
= 0;
1394 START_PROFILE(SMBopenX
);
1396 /* If it's an IPC, pass off the pipe handler. */
1398 if (lp_nt_pipe_support()) {
1399 END_PROFILE(SMBopenX
);
1400 return reply_open_pipe_and_X(conn
, inbuf
,outbuf
,length
,bufsize
);
1402 END_PROFILE(SMBopenX
);
1403 return ERROR_DOS(ERRSRV
,ERRaccess
);
1407 /* XXXX we need to handle passed times, sattr and flags */
1408 srvstr_get_path(inbuf
, fname
, smb_buf(inbuf
), sizeof(fname
), 0, STR_TERMINATE
, &status
);
1409 if (!NT_STATUS_IS_OK(status
)) {
1410 END_PROFILE(SMBopenX
);
1411 return ERROR_NT(status
);
1414 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
1415 if (!NT_STATUS_IS_OK(status
)) {
1416 END_PROFILE(SMBopenX
);
1417 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1418 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
1420 return ERROR_NT(status
);
1423 status
= unix_convert(conn
, fname
, False
, NULL
, &sbuf
);
1424 if (!NT_STATUS_IS_OK(status
)) {
1425 END_PROFILE(SMBopenX
);
1426 return ERROR_NT(status
);
1429 status
= check_name(conn
, fname
);
1430 if (!NT_STATUS_IS_OK(status
)) {
1431 END_PROFILE(SMBopenX
);
1432 return ERROR_NT(status
);
1435 if (!map_open_params_to_ntcreate(fname
, deny_mode
, smb_ofun
,
1438 &create_disposition
,
1440 END_PROFILE(SMBopenX
);
1441 return ERROR_NT(NT_STATUS_DOS(ERRDOS
, ERRbadaccess
));
1444 status
= open_file_ntcreate(conn
,fname
,&sbuf
,
1453 if (!NT_STATUS_IS_OK(status
)) {
1454 END_PROFILE(SMBopenX
);
1455 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
1456 /* We have re-scheduled this call. */
1459 return ERROR_NT(status
);
1462 /* Setting the "size" field in vwv9 and vwv10 causes the file to be set to this size,
1463 if the file is truncated or created. */
1464 if (((smb_action
== FILE_WAS_CREATED
) || (smb_action
== FILE_WAS_OVERWRITTEN
)) && allocation_size
) {
1465 fsp
->initial_allocation_size
= smb_roundup(fsp
->conn
, allocation_size
);
1466 if (vfs_allocate_file_space(fsp
, fsp
->initial_allocation_size
) == -1) {
1467 close_file(fsp
,ERROR_CLOSE
);
1468 END_PROFILE(SMBopenX
);
1469 return ERROR_NT(NT_STATUS_DISK_FULL
);
1471 retval
= vfs_set_filelen(fsp
, (SMB_OFF_T
)allocation_size
);
1473 close_file(fsp
,ERROR_CLOSE
);
1474 END_PROFILE(SMBopenX
);
1475 return ERROR_NT(NT_STATUS_DISK_FULL
);
1477 sbuf
.st_size
= get_allocation_size(conn
,fsp
,&sbuf
);
1480 fattr
= dos_mode(conn
,fname
,&sbuf
);
1481 mtime
= sbuf
.st_mtime
;
1483 close_file(fsp
,ERROR_CLOSE
);
1484 END_PROFILE(SMBopenX
);
1485 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
1488 /* If the caller set the extended oplock request bit
1489 and we granted one (by whatever means) - set the
1490 correct bit for extended oplock reply.
1493 if (ex_oplock_request
&& lp_fake_oplocks(SNUM(conn
))) {
1494 smb_action
|= EXTENDED_OPLOCK_GRANTED
;
1497 if(ex_oplock_request
&& EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
)) {
1498 smb_action
|= EXTENDED_OPLOCK_GRANTED
;
1501 /* If the caller set the core oplock request bit
1502 and we granted one (by whatever means) - set the
1503 correct bit for core oplock reply.
1506 if (core_oplock_request
&& lp_fake_oplocks(SNUM(conn
))) {
1507 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1510 if(core_oplock_request
&& EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
)) {
1511 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1514 if (open_flags
& EXTENDED_RESPONSE_REQUIRED
) {
1515 set_message(inbuf
,outbuf
,19,0,True
);
1517 set_message(inbuf
,outbuf
,15,0,True
);
1519 SSVAL(outbuf
,smb_vwv2
,fsp
->fnum
);
1520 SSVAL(outbuf
,smb_vwv3
,fattr
);
1521 if(lp_dos_filetime_resolution(SNUM(conn
)) ) {
1522 srv_put_dos_date3(outbuf
,smb_vwv4
,mtime
& ~1);
1524 srv_put_dos_date3(outbuf
,smb_vwv4
,mtime
);
1526 SIVAL(outbuf
,smb_vwv6
,(uint32
)sbuf
.st_size
);
1527 SSVAL(outbuf
,smb_vwv8
,GET_OPENX_MODE(deny_mode
));
1528 SSVAL(outbuf
,smb_vwv11
,smb_action
);
1530 if (open_flags
& EXTENDED_RESPONSE_REQUIRED
) {
1531 SIVAL(outbuf
, smb_vwv15
, STD_RIGHT_ALL_ACCESS
);
1534 END_PROFILE(SMBopenX
);
1535 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
1538 /****************************************************************************
1539 Reply to a SMBulogoffX.
1540 conn POINTER CAN BE NULL HERE !
1541 ****************************************************************************/
1543 int reply_ulogoffX(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
1545 uint16 vuid
= SVAL(inbuf
,smb_uid
);
1546 user_struct
*vuser
= get_valid_user_struct(vuid
);
1547 START_PROFILE(SMBulogoffX
);
1550 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n", vuid
));
1552 /* in user level security we are supposed to close any files
1553 open by this user */
1554 if ((vuser
!= 0) && (lp_security() != SEC_SHARE
))
1555 file_close_user(vuid
);
1557 invalidate_vuid(vuid
);
1559 set_message(inbuf
,outbuf
,2,0,True
);
1561 DEBUG( 3, ( "ulogoffX vuid=%d\n", vuid
) );
1563 END_PROFILE(SMBulogoffX
);
1564 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
1567 /****************************************************************************
1568 Reply to a mknew or a create.
1569 ****************************************************************************/
1571 int reply_mknew(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
1576 uint32 fattr
= SVAL(inbuf
,smb_vwv0
);
1577 struct timespec ts
[2];
1579 int oplock_request
= CORE_OPLOCK_REQUEST(inbuf
);
1580 SMB_STRUCT_STAT sbuf
;
1582 uint32 access_mask
= FILE_GENERIC_READ
| FILE_GENERIC_WRITE
;
1583 uint32 share_mode
= FILE_SHARE_READ
|FILE_SHARE_WRITE
;
1584 uint32 create_disposition
;
1585 uint32 create_options
= 0;
1587 START_PROFILE(SMBcreate
);
1589 com
= SVAL(inbuf
,smb_com
);
1591 ts
[1] = convert_time_t_to_timespec(srv_make_unix_date3(inbuf
+ smb_vwv1
)); /* mtime. */
1593 srvstr_get_path(inbuf
, fname
, smb_buf(inbuf
) + 1, sizeof(fname
), 0, STR_TERMINATE
, &status
);
1594 if (!NT_STATUS_IS_OK(status
)) {
1595 END_PROFILE(SMBcreate
);
1596 return ERROR_NT(status
);
1599 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
1600 if (!NT_STATUS_IS_OK(status
)) {
1601 END_PROFILE(SMBcreate
);
1602 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1603 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
1605 return ERROR_NT(status
);
1608 status
= unix_convert(conn
, fname
, False
, NULL
, &sbuf
);
1609 if (!NT_STATUS_IS_OK(status
)) {
1610 END_PROFILE(SMBcreate
);
1611 return ERROR_NT(status
);
1614 status
= check_name(conn
, fname
);
1615 if (!NT_STATUS_IS_OK(status
)) {
1616 END_PROFILE(SMBcreate
);
1617 return ERROR_NT(status
);
1620 if (fattr
& aVOLID
) {
1621 DEBUG(0,("Attempt to create file (%s) with volid set - please report this\n",fname
));
1624 if(com
== SMBmknew
) {
1625 /* We should fail if file exists. */
1626 create_disposition
= FILE_CREATE
;
1628 /* Create if file doesn't exist, truncate if it does. */
1629 create_disposition
= FILE_OVERWRITE_IF
;
1632 /* Open file using ntcreate. */
1633 status
= open_file_ntcreate(conn
,fname
,&sbuf
,
1642 if (!NT_STATUS_IS_OK(status
)) {
1643 END_PROFILE(SMBcreate
);
1644 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
1645 /* We have re-scheduled this call. */
1648 return ERROR_NT(status
);
1651 ts
[0] = get_atimespec(&sbuf
); /* atime. */
1652 file_ntimes(conn
, fname
, ts
);
1654 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
1655 SSVAL(outbuf
,smb_vwv0
,fsp
->fnum
);
1657 if (oplock_request
&& lp_fake_oplocks(SNUM(conn
))) {
1658 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1661 if(EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
)) {
1662 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1665 DEBUG( 2, ( "reply_mknew: file %s\n", fname
) );
1666 DEBUG( 3, ( "reply_mknew %s fd=%d dmode=0x%x\n", fname
, fsp
->fh
->fd
, (unsigned int)fattr
) );
1668 END_PROFILE(SMBcreate
);
1672 /****************************************************************************
1673 Reply to a create temporary file.
1674 ****************************************************************************/
1676 int reply_ctemp(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
1680 uint32 fattr
= SVAL(inbuf
,smb_vwv0
);
1682 int oplock_request
= CORE_OPLOCK_REQUEST(inbuf
);
1684 SMB_STRUCT_STAT sbuf
;
1687 unsigned int namelen
;
1689 START_PROFILE(SMBctemp
);
1691 srvstr_get_path(inbuf
, fname
, smb_buf(inbuf
)+1, sizeof(fname
), 0, STR_TERMINATE
, &status
);
1692 if (!NT_STATUS_IS_OK(status
)) {
1693 END_PROFILE(SMBctemp
);
1694 return ERROR_NT(status
);
1697 pstrcat(fname
,"/TMXXXXXX");
1699 pstrcat(fname
,"TMXXXXXX");
1702 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, fname
);
1703 if (!NT_STATUS_IS_OK(status
)) {
1704 END_PROFILE(SMBctemp
);
1705 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
1706 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
1708 return ERROR_NT(status
);
1711 status
= unix_convert(conn
, fname
, False
, NULL
, &sbuf
);
1712 if (!NT_STATUS_IS_OK(status
)) {
1713 END_PROFILE(SMBctemp
);
1714 return ERROR_NT(status
);
1717 status
= check_name(conn
, fname
);
1718 if (!NT_STATUS_IS_OK(status
)) {
1719 END_PROFILE(SMBctemp
);
1720 return ERROR_NT(status
);
1723 tmpfd
= smb_mkstemp(fname
);
1725 END_PROFILE(SMBctemp
);
1726 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
1729 SMB_VFS_STAT(conn
,fname
,&sbuf
);
1731 /* We should fail if file does not exist. */
1732 status
= open_file_ntcreate(conn
,fname
,&sbuf
,
1733 FILE_GENERIC_READ
| FILE_GENERIC_WRITE
,
1734 FILE_SHARE_READ
|FILE_SHARE_WRITE
,
1741 /* close fd from smb_mkstemp() */
1744 if (!NT_STATUS_IS_OK(status
)) {
1745 END_PROFILE(SMBctemp
);
1746 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
1747 /* We have re-scheduled this call. */
1750 return ERROR_NT(status
);
1753 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
1754 SSVAL(outbuf
,smb_vwv0
,fsp
->fnum
);
1756 /* the returned filename is relative to the directory */
1757 s
= strrchr_m(fname
, '/');
1764 p
= smb_buf(outbuf
);
1766 /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
1767 thing in the byte section. JRA */
1768 SSVALS(p
, 0, -1); /* what is this? not in spec */
1770 namelen
= srvstr_push(outbuf
, p
, s
, -1, STR_ASCII
|STR_TERMINATE
);
1772 outsize
= set_message_end(inbuf
,outbuf
, p
);
1774 if (oplock_request
&& lp_fake_oplocks(SNUM(conn
))) {
1775 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1778 if (EXCLUSIVE_OPLOCK_TYPE(fsp
->oplock_type
)) {
1779 SCVAL(outbuf
,smb_flg
,CVAL(outbuf
,smb_flg
)|CORE_OPLOCK_GRANTED
);
1782 DEBUG( 2, ( "reply_ctemp: created temp file %s\n", fname
) );
1783 DEBUG( 3, ( "reply_ctemp %s fd=%d umode=0%o\n", fname
, fsp
->fh
->fd
,
1784 (unsigned int)sbuf
.st_mode
) );
1786 END_PROFILE(SMBctemp
);
1790 /*******************************************************************
1791 Check if a user is allowed to rename a file.
1792 ********************************************************************/
1794 static NTSTATUS
can_rename(connection_struct
*conn
, char *fname
, uint16 dirtype
, SMB_STRUCT_STAT
*pst
)
1800 if (!CAN_WRITE(conn
)) {
1801 return NT_STATUS_MEDIA_WRITE_PROTECTED
;
1804 fmode
= dos_mode(conn
,fname
,pst
);
1805 if ((fmode
& ~dirtype
) & (aHIDDEN
| aSYSTEM
)) {
1806 return NT_STATUS_NO_SUCH_FILE
;
1809 if (S_ISDIR(pst
->st_mode
)) {
1810 return NT_STATUS_OK
;
1813 status
= open_file_ntcreate(conn
, fname
, pst
,
1815 FILE_SHARE_READ
|FILE_SHARE_WRITE
,
1818 FILE_ATTRIBUTE_NORMAL
,
1822 if (!NT_STATUS_IS_OK(status
)) {
1825 close_file(fsp
,NORMAL_CLOSE
);
1826 return NT_STATUS_OK
;
1829 /*******************************************************************
1830 Check if a user is allowed to delete a file.
1831 ********************************************************************/
1833 static NTSTATUS
can_delete(connection_struct
*conn
, char *fname
,
1834 uint32 dirtype
, BOOL can_defer
)
1836 SMB_STRUCT_STAT sbuf
;
1839 uint32 dirtype_orig
= dirtype
;
1842 DEBUG(10,("can_delete: %s, dirtype = %d\n", fname
, dirtype
));
1844 if (!CAN_WRITE(conn
)) {
1845 return NT_STATUS_MEDIA_WRITE_PROTECTED
;
1848 if (SMB_VFS_LSTAT(conn
,fname
,&sbuf
) != 0) {
1849 return map_nt_error_from_unix(errno
);
1852 fattr
= dos_mode(conn
,fname
,&sbuf
);
1854 if (dirtype
& FILE_ATTRIBUTE_NORMAL
) {
1855 dirtype
= aDIR
|aARCH
|aRONLY
;
1858 dirtype
&= (aDIR
|aARCH
|aRONLY
|aHIDDEN
|aSYSTEM
);
1860 return NT_STATUS_NO_SUCH_FILE
;
1863 if (!dir_check_ftype(conn
, fattr
, dirtype
)) {
1865 return NT_STATUS_FILE_IS_A_DIRECTORY
;
1867 return NT_STATUS_NO_SUCH_FILE
;
1870 if (dirtype_orig
& 0x8000) {
1871 /* These will never be set for POSIX. */
1872 return NT_STATUS_NO_SUCH_FILE
;
1876 if ((fattr
& dirtype
) & FILE_ATTRIBUTE_DIRECTORY
) {
1877 return NT_STATUS_FILE_IS_A_DIRECTORY
;
1880 if ((fattr
& ~dirtype
) & (FILE_ATTRIBUTE_HIDDEN
|FILE_ATTRIBUTE_SYSTEM
)) {
1881 return NT_STATUS_NO_SUCH_FILE
;
1884 if (dirtype
& 0xFF00) {
1885 /* These will never be set for POSIX. */
1886 return NT_STATUS_NO_SUCH_FILE
;
1891 return NT_STATUS_NO_SUCH_FILE
;
1894 /* Can't delete a directory. */
1896 return NT_STATUS_FILE_IS_A_DIRECTORY
;
1901 else if (dirtype
& aDIR
) /* Asked for a directory and it isn't. */
1902 return NT_STATUS_OBJECT_NAME_INVALID
;
1903 #endif /* JRATEST */
1905 /* Fix for bug #3035 from SATOH Fumiyasu <fumiyas@miraclelinux.com>
1907 On a Windows share, a file with read-only dosmode can be opened with
1908 DELETE_ACCESS. But on a Samba share (delete readonly = no), it
1909 fails with NT_STATUS_CANNOT_DELETE error.
1911 This semantic causes a problem that a user can not
1912 rename a file with read-only dosmode on a Samba share
1913 from a Windows command prompt (i.e. cmd.exe, but can rename
1914 from Windows Explorer).
1917 if (!lp_delete_readonly(SNUM(conn
))) {
1918 if (fattr
& aRONLY
) {
1919 return NT_STATUS_CANNOT_DELETE
;
1923 /* On open checks the open itself will check the share mode, so
1924 don't do it here as we'll get it wrong. */
1926 status
= open_file_ntcreate(conn
, fname
, &sbuf
,
1931 FILE_ATTRIBUTE_NORMAL
,
1932 can_defer
? 0 : INTERNAL_OPEN_ONLY
,
1935 if (NT_STATUS_IS_OK(status
)) {
1936 close_file(fsp
,NORMAL_CLOSE
);
1941 /****************************************************************************
1942 The guts of the unlink command, split out so it may be called by the NT SMB
1944 ****************************************************************************/
1946 NTSTATUS
unlink_internals(connection_struct
*conn
, uint32 dirtype
,
1947 char *name
, BOOL has_wild
, BOOL can_defer
)
1953 NTSTATUS status
= NT_STATUS_OK
;
1954 SMB_STRUCT_STAT sbuf
;
1956 *directory
= *mask
= 0;
1958 status
= unix_convert(conn
, name
, has_wild
, NULL
, &sbuf
);
1959 if (!NT_STATUS_IS_OK(status
)) {
1963 p
= strrchr_m(name
,'/');
1965 pstrcpy(directory
,".");
1969 pstrcpy(directory
,name
);
1974 * We should only check the mangled cache
1975 * here if unix_convert failed. This means
1976 * that the path in 'mask' doesn't exist
1977 * on the file system and so we need to look
1978 * for a possible mangle. This patch from
1979 * Tine Smukavec <valentin.smukavec@hermes.si>.
1982 if (!VALID_STAT(sbuf
) && mangle_is_mangled(mask
,conn
->params
))
1983 mangle_check_cache( mask
, sizeof(pstring
)-1, conn
->params
);
1986 pstrcat(directory
,"/");
1987 pstrcat(directory
,mask
);
1989 dirtype
= FILE_ATTRIBUTE_NORMAL
;
1992 status
= check_name(conn
, directory
);
1993 if (!NT_STATUS_IS_OK(status
)) {
1997 status
= can_delete(conn
,directory
,dirtype
,can_defer
);
1998 if (!NT_STATUS_IS_OK(status
)) {
2002 if (SMB_VFS_UNLINK(conn
,directory
) == 0) {
2004 notify_fname(conn
, NOTIFY_ACTION_REMOVED
,
2005 FILE_NOTIFY_CHANGE_FILE_NAME
,
2009 struct smb_Dir
*dir_hnd
= NULL
;
2013 if ((dirtype
& SAMBA_ATTRIBUTES_MASK
) == aDIR
) {
2014 return NT_STATUS_OBJECT_NAME_INVALID
;
2017 if (strequal(mask
,"????????.???")) {
2021 status
= check_name(conn
, directory
);
2022 if (!NT_STATUS_IS_OK(status
)) {
2026 dir_hnd
= OpenDir(conn
, directory
, mask
, dirtype
);
2027 if (dir_hnd
== NULL
) {
2028 return map_nt_error_from_unix(errno
);
2031 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
2032 the pattern matches against the long name, otherwise the short name
2033 We don't implement this yet XXXX
2036 status
= NT_STATUS_NO_SUCH_FILE
;
2038 while ((dname
= ReadDirName(dir_hnd
, &offset
))) {
2041 pstrcpy(fname
,dname
);
2043 if (!is_visible_file(conn
, directory
, dname
, &st
, True
)) {
2047 /* Quick check for "." and ".." */
2048 if (fname
[0] == '.') {
2049 if (!fname
[1] || (fname
[1] == '.' && !fname
[2])) {
2054 if(!mask_match(fname
, mask
, conn
->case_sensitive
)) {
2058 slprintf(fname
,sizeof(fname
)-1, "%s/%s",directory
,dname
);
2060 status
= check_name(conn
, fname
);
2061 if (!NT_STATUS_IS_OK(status
)) {
2066 status
= can_delete(conn
, fname
, dirtype
, can_defer
);
2067 if (!NT_STATUS_IS_OK(status
)) {
2070 if (SMB_VFS_UNLINK(conn
,fname
) == 0) {
2072 DEBUG(3,("unlink_internals: succesful unlink "
2074 notify_fname(conn
, NOTIFY_ACTION_REMOVED
,
2075 FILE_NOTIFY_CHANGE_FILE_NAME
,
2083 if (count
== 0 && NT_STATUS_IS_OK(status
)) {
2084 status
= map_nt_error_from_unix(errno
);
2090 /****************************************************************************
2092 ****************************************************************************/
2094 int reply_unlink(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
,
2101 BOOL path_contains_wcard
= False
;
2103 START_PROFILE(SMBunlink
);
2105 dirtype
= SVAL(inbuf
,smb_vwv0
);
2107 srvstr_get_path_wcard(inbuf
, name
, smb_buf(inbuf
) + 1, sizeof(name
), 0, STR_TERMINATE
, &status
, &path_contains_wcard
);
2108 if (!NT_STATUS_IS_OK(status
)) {
2109 END_PROFILE(SMBunlink
);
2110 return ERROR_NT(status
);
2113 status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, name
, &path_contains_wcard
);
2114 if (!NT_STATUS_IS_OK(status
)) {
2115 END_PROFILE(SMBunlink
);
2116 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
2117 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
2119 return ERROR_NT(status
);
2122 DEBUG(3,("reply_unlink : %s\n",name
));
2124 status
= unlink_internals(conn
, dirtype
, name
, path_contains_wcard
,
2126 if (!NT_STATUS_IS_OK(status
)) {
2127 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
2128 /* We have re-scheduled this call. */
2131 return ERROR_NT(status
);
2134 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
2136 END_PROFILE(SMBunlink
);
2140 /****************************************************************************
2142 ****************************************************************************/
2144 static void fail_readraw(void)
2147 slprintf(errstr
, sizeof(errstr
)-1, "FAIL ! reply_readbraw: socket write fail (%s)",
2149 exit_server_cleanly(errstr
);
2152 /****************************************************************************
2153 Fake (read/write) sendfile. Returns -1 on read or write fail.
2154 ****************************************************************************/
2156 static ssize_t
fake_sendfile(files_struct
*fsp
, SMB_OFF_T startpos
, size_t nread
, char *buf
, size_t bufsize
)
2158 size_t tosend
= nread
;
2160 while (tosend
> 0) {
2164 if (tosend
> bufsize
) {
2169 ret
= read_file(fsp
,buf
,startpos
,cur_read
);
2174 /* If we had a short read, fill with zeros. */
2175 if (ret
< cur_read
) {
2176 memset(buf
, '\0', cur_read
- ret
);
2179 if (write_data(smbd_server_fd(),buf
,cur_read
) != cur_read
) {
2183 startpos
+= cur_read
;
2186 return (ssize_t
)nread
;
2189 /****************************************************************************
2190 Use sendfile in readbraw.
2191 ****************************************************************************/
2193 void send_file_readbraw(connection_struct
*conn
, files_struct
*fsp
, SMB_OFF_T startpos
, size_t nread
,
2194 ssize_t mincount
, char *outbuf
, int out_buffsize
)
2198 #if defined(WITH_SENDFILE)
2200 * We can only use sendfile on a non-chained packet
2201 * but we can use on a non-oplocked file. tridge proved this
2202 * on a train in Germany :-). JRA.
2203 * reply_readbraw has already checked the length.
2206 if ( (chain_size
== 0) && (nread
> 0) &&
2207 (fsp
->wcp
== NULL
) && lp_use_sendfile(SNUM(conn
)) ) {
2210 _smb_setlen(outbuf
,nread
);
2211 header
.data
= (uint8
*)outbuf
;
2215 if ( SMB_VFS_SENDFILE( smbd_server_fd(), fsp
, fsp
->fh
->fd
, &header
, startpos
, nread
) == -1) {
2216 /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
2217 if (errno
== ENOSYS
) {
2218 goto normal_readbraw
;
2222 * Special hack for broken Linux with no working sendfile. If we
2223 * return EINTR we sent the header but not the rest of the data.
2224 * Fake this up by doing read/write calls.
2226 if (errno
== EINTR
) {
2227 /* Ensure we don't do this again. */
2228 set_use_sendfile(SNUM(conn
), False
);
2229 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
2231 if (fake_sendfile(fsp
, startpos
, nread
, outbuf
+ 4, out_buffsize
- 4) == -1) {
2232 DEBUG(0,("send_file_readbraw: fake_sendfile failed for file %s (%s).\n",
2233 fsp
->fsp_name
, strerror(errno
) ));
2234 exit_server_cleanly("send_file_readbraw fake_sendfile failed");
2239 DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
2240 fsp
->fsp_name
, strerror(errno
) ));
2241 exit_server_cleanly("send_file_readbraw sendfile failed");
2252 ret
= read_file(fsp
,outbuf
+4,startpos
,nread
);
2253 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2262 _smb_setlen(outbuf
,ret
);
2263 if (write_data(smbd_server_fd(),outbuf
,4+ret
) != 4+ret
)
2267 /****************************************************************************
2268 Reply to a readbraw (core+ protocol).
2269 ****************************************************************************/
2271 int reply_readbraw(connection_struct
*conn
, char *inbuf
, char *outbuf
, int dum_size
, int out_buffsize
)
2273 ssize_t maxcount
,mincount
;
2276 char *header
= outbuf
;
2278 START_PROFILE(SMBreadbraw
);
2280 if (srv_is_signing_active()) {
2281 exit_server_cleanly("reply_readbraw: SMB signing is active - raw reads/writes are disallowed.");
2285 * Special check if an oplock break has been issued
2286 * and the readraw request croses on the wire, we must
2287 * return a zero length response here.
2290 fsp
= file_fsp(inbuf
,smb_vwv0
);
2292 if (!FNUM_OK(fsp
,conn
) || !fsp
->can_read
) {
2294 * fsp could be NULL here so use the value from the packet. JRA.
2296 DEBUG(3,("fnum %d not open in readbraw - cache prime?\n",(int)SVAL(inbuf
,smb_vwv0
)));
2297 _smb_setlen(header
,0);
2298 if (write_data(smbd_server_fd(),header
,4) != 4)
2300 END_PROFILE(SMBreadbraw
);
2304 CHECK_FSP(fsp
,conn
);
2306 flush_write_cache(fsp
, READRAW_FLUSH
);
2308 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv1
);
2309 if(CVAL(inbuf
,smb_wct
) == 10) {
2311 * This is a large offset (64 bit) read.
2313 #ifdef LARGE_SMB_OFF_T
2315 startpos
|= (((SMB_OFF_T
)IVAL(inbuf
,smb_vwv8
)) << 32);
2317 #else /* !LARGE_SMB_OFF_T */
2320 * Ensure we haven't been sent a >32 bit offset.
2323 if(IVAL(inbuf
,smb_vwv8
) != 0) {
2324 DEBUG(0,("readbraw - large offset (%x << 32) used and we don't support \
2325 64 bit offsets.\n", (unsigned int)IVAL(inbuf
,smb_vwv8
) ));
2326 _smb_setlen(header
,0);
2327 if (write_data(smbd_server_fd(),header
,4) != 4)
2329 END_PROFILE(SMBreadbraw
);
2333 #endif /* LARGE_SMB_OFF_T */
2336 DEBUG(0,("readbraw - negative 64 bit readraw offset (%.0f) !\n", (double)startpos
));
2337 _smb_setlen(header
,0);
2338 if (write_data(smbd_server_fd(),header
,4) != 4)
2340 END_PROFILE(SMBreadbraw
);
2344 maxcount
= (SVAL(inbuf
,smb_vwv3
) & 0xFFFF);
2345 mincount
= (SVAL(inbuf
,smb_vwv4
) & 0xFFFF);
2347 /* ensure we don't overrun the packet size */
2348 maxcount
= MIN(65535,maxcount
);
2350 if (!is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)maxcount
,(SMB_BIG_UINT
)startpos
, READ_LOCK
)) {
2354 if (SMB_VFS_FSTAT(fsp
,fsp
->fh
->fd
,&st
) == 0) {
2358 if (startpos
>= size
) {
2361 nread
= MIN(maxcount
,(size
- startpos
));
2365 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2366 if (nread
< mincount
)
2370 DEBUG( 3, ( "readbraw fnum=%d start=%.0f max=%lu min=%lu nread=%lu\n", fsp
->fnum
, (double)startpos
,
2371 (unsigned long)maxcount
, (unsigned long)mincount
, (unsigned long)nread
) );
2373 send_file_readbraw(conn
, fsp
, startpos
, nread
, mincount
, outbuf
, out_buffsize
);
2375 DEBUG(5,("readbraw finished\n"));
2376 END_PROFILE(SMBreadbraw
);
2381 #define DBGC_CLASS DBGC_LOCKING
2383 /****************************************************************************
2384 Reply to a lockread (core+ protocol).
2385 ****************************************************************************/
2387 int reply_lockread(connection_struct
*conn
, char *inbuf
,char *outbuf
, int length
, int dum_buffsiz
)
2395 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
2396 struct byte_range_lock
*br_lck
= NULL
;
2397 START_PROFILE(SMBlockread
);
2399 CHECK_FSP(fsp
,conn
);
2400 if (!CHECK_READ(fsp
,inbuf
)) {
2401 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
2404 release_level_2_oplocks_on_change(fsp
);
2406 numtoread
= SVAL(inbuf
,smb_vwv1
);
2407 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
2409 outsize
= set_message(inbuf
,outbuf
,5,3,True
);
2410 numtoread
= MIN(BUFFER_SIZE
-outsize
,numtoread
);
2411 data
= smb_buf(outbuf
) + 3;
2414 * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
2415 * protocol request that predates the read/write lock concept.
2416 * Thus instead of asking for a read lock here we need to ask
2417 * for a write lock. JRA.
2418 * Note that the requested lock size is unaffected by max_recv.
2421 br_lck
= do_lock(smbd_messaging_context(),
2423 (uint32
)SVAL(inbuf
,smb_pid
),
2424 (SMB_BIG_UINT
)numtoread
,
2425 (SMB_BIG_UINT
)startpos
,
2428 False
, /* Non-blocking lock. */
2430 TALLOC_FREE(br_lck
);
2432 if (NT_STATUS_V(status
)) {
2433 END_PROFILE(SMBlockread
);
2434 return ERROR_NT(status
);
2438 * However the requested READ size IS affected by max_recv. Insanity.... JRA.
2441 if (numtoread
> max_recv
) {
2442 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
2443 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2444 (unsigned int)numtoread
, (unsigned int)max_recv
));
2445 numtoread
= MIN(numtoread
,max_recv
);
2447 nread
= read_file(fsp
,data
,startpos
,numtoread
);
2450 END_PROFILE(SMBlockread
);
2451 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
2455 SSVAL(outbuf
,smb_vwv0
,nread
);
2456 SSVAL(outbuf
,smb_vwv5
,nread
+3);
2457 SSVAL(smb_buf(outbuf
),1,nread
);
2459 DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
2460 fsp
->fnum
, (int)numtoread
, (int)nread
));
2462 END_PROFILE(SMBlockread
);
2467 #define DBGC_CLASS DBGC_ALL
2469 /****************************************************************************
2471 ****************************************************************************/
2473 int reply_read(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
2480 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
2481 START_PROFILE(SMBread
);
2483 CHECK_FSP(fsp
,conn
);
2484 if (!CHECK_READ(fsp
,inbuf
)) {
2485 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
2488 numtoread
= SVAL(inbuf
,smb_vwv1
);
2489 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
2491 outsize
= set_message(inbuf
,outbuf
,5,3,True
);
2492 numtoread
= MIN(BUFFER_SIZE
-outsize
,numtoread
);
2494 * The requested read size cannot be greater than max_recv. JRA.
2496 if (numtoread
> max_recv
) {
2497 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
2498 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2499 (unsigned int)numtoread
, (unsigned int)max_recv
));
2500 numtoread
= MIN(numtoread
,max_recv
);
2503 data
= smb_buf(outbuf
) + 3;
2505 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)numtoread
,(SMB_BIG_UINT
)startpos
, READ_LOCK
)) {
2506 END_PROFILE(SMBread
);
2507 return ERROR_DOS(ERRDOS
,ERRlock
);
2511 nread
= read_file(fsp
,data
,startpos
,numtoread
);
2514 END_PROFILE(SMBread
);
2515 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
2519 SSVAL(outbuf
,smb_vwv0
,nread
);
2520 SSVAL(outbuf
,smb_vwv5
,nread
+3);
2521 SCVAL(smb_buf(outbuf
),0,1);
2522 SSVAL(smb_buf(outbuf
),1,nread
);
2524 DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
2525 fsp
->fnum
, (int)numtoread
, (int)nread
) );
2527 END_PROFILE(SMBread
);
2531 /****************************************************************************
2533 ****************************************************************************/
2535 static int setup_readX_header(char *inbuf
, char *outbuf
, size_t smb_maxcnt
)
2538 char *data
= smb_buf(outbuf
);
2540 SSVAL(outbuf
,smb_vwv2
,0xFFFF); /* Remaining - must be -1. */
2541 SSVAL(outbuf
,smb_vwv5
,smb_maxcnt
);
2542 SSVAL(outbuf
,smb_vwv6
,smb_offset(data
,outbuf
));
2543 SSVAL(outbuf
,smb_vwv7
,(smb_maxcnt
>> 16));
2544 SSVAL(smb_buf(outbuf
),-2,smb_maxcnt
);
2545 SCVAL(outbuf
,smb_vwv0
,0xFF);
2546 outsize
= set_message(inbuf
, outbuf
,12,smb_maxcnt
,False
);
2547 /* Reset the outgoing length, set_message truncates at 0x1FFFF. */
2548 _smb_setlen_large(outbuf
,(smb_size
+ 12*2 + smb_maxcnt
- 4));
2552 /****************************************************************************
2553 Reply to a read and X - possibly using sendfile.
2554 ****************************************************************************/
2556 int send_file_readX(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
, int len_outbuf
,
2557 files_struct
*fsp
, SMB_OFF_T startpos
, size_t smb_maxcnt
)
2559 SMB_STRUCT_STAT sbuf
;
2562 char *data
= smb_buf(outbuf
);
2564 if(SMB_VFS_FSTAT(fsp
,fsp
->fh
->fd
, &sbuf
) == -1) {
2565 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
2568 if (startpos
> sbuf
.st_size
) {
2572 if (smb_maxcnt
> (sbuf
.st_size
- startpos
)) {
2573 smb_maxcnt
= (sbuf
.st_size
- startpos
);
2576 if (smb_maxcnt
== 0) {
2580 #if defined(WITH_SENDFILE)
2582 * We can only use sendfile on a non-chained packet
2583 * but we can use on a non-oplocked file. tridge proved this
2584 * on a train in Germany :-). JRA.
2587 if ((chain_size
== 0) && (CVAL(inbuf
,smb_vwv0
) == 0xFF) &&
2588 lp_use_sendfile(SNUM(conn
)) && (fsp
->wcp
== NULL
) ) {
2592 * Set up the packet header before send. We
2593 * assume here the sendfile will work (get the
2594 * correct amount of data).
2597 setup_readX_header(inbuf
,outbuf
,smb_maxcnt
);
2598 set_message(inbuf
,outbuf
,12,smb_maxcnt
,False
);
2599 header
.data
= (uint8
*)outbuf
;
2600 header
.length
= data
- outbuf
;
2603 if ((nread
= SMB_VFS_SENDFILE( smbd_server_fd(), fsp
, fsp
->fh
->fd
, &header
, startpos
, smb_maxcnt
)) == -1) {
2604 /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
2605 if (errno
== ENOSYS
) {
2610 * Special hack for broken Linux with no working sendfile. If we
2611 * return EINTR we sent the header but not the rest of the data.
2612 * Fake this up by doing read/write calls.
2615 if (errno
== EINTR
) {
2616 /* Ensure we don't do this again. */
2617 set_use_sendfile(SNUM(conn
), False
);
2618 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
2620 if ((nread
= fake_sendfile(fsp
, startpos
, smb_maxcnt
, data
,
2621 len_outbuf
- (data
-outbuf
))) == -1) {
2622 DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
2623 fsp
->fsp_name
, strerror(errno
) ));
2624 exit_server_cleanly("send_file_readX: fake_sendfile failed");
2626 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
2627 fsp
->fnum
, (int)smb_maxcnt
, (int)nread
) );
2628 /* Returning -1 here means successful sendfile. */
2632 DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
2633 fsp
->fsp_name
, strerror(errno
) ));
2634 exit_server_cleanly("send_file_readX sendfile failed");
2637 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
2638 fsp
->fnum
, (int)smb_maxcnt
, (int)nread
) );
2639 /* Returning -1 here means successful sendfile. */
2647 if ((smb_maxcnt
&& 0xFF0000) > 0x10000) {
2648 int sendlen
= setup_readX_header(inbuf
,outbuf
,smb_maxcnt
) - smb_maxcnt
;
2649 /* Send out the header. */
2650 if (write_data(smbd_server_fd(),outbuf
,sendlen
) != sendlen
) {
2651 DEBUG(0,("send_file_readX: write_data failed for file %s (%s). Terminating\n",
2652 fsp
->fsp_name
, strerror(errno
) ));
2653 exit_server_cleanly("send_file_readX sendfile failed");
2655 if ((nread
= fake_sendfile(fsp
, startpos
, smb_maxcnt
, data
,
2656 len_outbuf
- (data
-outbuf
))) == -1) {
2657 DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
2658 fsp
->fsp_name
, strerror(errno
) ));
2659 exit_server_cleanly("send_file_readX: fake_sendfile failed");
2663 nread
= read_file(fsp
,data
,startpos
,smb_maxcnt
);
2666 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
2669 outsize
= setup_readX_header(inbuf
, outbuf
,nread
);
2671 DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
2672 fsp
->fnum
, (int)smb_maxcnt
, (int)nread
) );
2674 /* Returning the number of bytes we want to send back - including header. */
2679 /****************************************************************************
2680 Reply to a read and X.
2681 ****************************************************************************/
2683 int reply_read_and_X(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
2685 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv2
);
2686 SMB_OFF_T startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv3
);
2688 size_t smb_maxcnt
= SVAL(inbuf
,smb_vwv5
);
2689 BOOL big_readX
= False
;
2691 size_t smb_mincnt
= SVAL(inbuf
,smb_vwv6
);
2694 START_PROFILE(SMBreadX
);
2696 /* If it's an IPC, pass off the pipe handler. */
2698 END_PROFILE(SMBreadX
);
2699 return reply_pipe_read_and_X(inbuf
,outbuf
,length
,bufsize
);
2702 CHECK_FSP(fsp
,conn
);
2703 if (!CHECK_READ(fsp
,inbuf
)) {
2704 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
2707 set_message(inbuf
,outbuf
,12,0,True
);
2709 if (global_client_caps
& CAP_LARGE_READX
) {
2710 size_t upper_size
= SVAL(inbuf
,smb_vwv7
);
2711 smb_maxcnt
|= (upper_size
<<16);
2712 if (upper_size
> 1) {
2713 /* Can't do this on a chained packet. */
2714 if ((CVAL(inbuf
,smb_vwv0
) != 0xFF)) {
2715 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
2717 /* We currently don't do this on signed or sealed data. */
2718 if (srv_is_signing_active() || srv_encryption_on()) {
2719 return ERROR_NT(NT_STATUS_NOT_SUPPORTED
);
2725 if(CVAL(inbuf
,smb_wct
) == 12) {
2726 #ifdef LARGE_SMB_OFF_T
2728 * This is a large offset (64 bit) read.
2730 startpos
|= (((SMB_OFF_T
)IVAL(inbuf
,smb_vwv10
)) << 32);
2732 #else /* !LARGE_SMB_OFF_T */
2735 * Ensure we haven't been sent a >32 bit offset.
2738 if(IVAL(inbuf
,smb_vwv10
) != 0) {
2739 DEBUG(0,("reply_read_and_X - large offset (%x << 32) used and we don't support \
2740 64 bit offsets.\n", (unsigned int)IVAL(inbuf
,smb_vwv10
) ));
2741 END_PROFILE(SMBreadX
);
2742 return ERROR_DOS(ERRDOS
,ERRbadaccess
);
2745 #endif /* LARGE_SMB_OFF_T */
2749 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)smb_maxcnt
,(SMB_BIG_UINT
)startpos
, READ_LOCK
)) {
2750 END_PROFILE(SMBreadX
);
2751 return ERROR_DOS(ERRDOS
,ERRlock
);
2754 if (!big_readX
&& schedule_aio_read_and_X(conn
, inbuf
, outbuf
, length
, bufsize
, fsp
, startpos
, smb_maxcnt
)) {
2755 END_PROFILE(SMBreadX
);
2759 nread
= send_file_readX(conn
, inbuf
, outbuf
, length
, bufsize
, fsp
, startpos
, smb_maxcnt
);
2760 /* Only call chain_reply if not an error. */
2761 if (nread
!= -1 && SVAL(outbuf
,smb_rcls
) == 0) {
2762 nread
= chain_reply(inbuf
,outbuf
,length
,bufsize
);
2765 END_PROFILE(SMBreadX
);
2769 /****************************************************************************
2770 Reply to a writebraw (core+ or LANMAN1.0 protocol).
2771 ****************************************************************************/
2773 int reply_writebraw(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
2776 ssize_t total_written
=0;
2777 size_t numtowrite
=0;
2782 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
2784 START_PROFILE(SMBwritebraw
);
2786 if (srv_is_signing_active()) {
2787 exit_server_cleanly("reply_writebraw: SMB signing is active - raw reads/writes are disallowed.");
2790 CHECK_FSP(fsp
,conn
);
2791 if (!CHECK_WRITE(fsp
)) {
2792 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
2795 tcount
= IVAL(inbuf
,smb_vwv1
);
2796 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv3
);
2797 write_through
= BITSETW(inbuf
+smb_vwv7
,0);
2799 /* We have to deal with slightly different formats depending
2800 on whether we are using the core+ or lanman1.0 protocol */
2802 if(Protocol
<= PROTOCOL_COREPLUS
) {
2803 numtowrite
= SVAL(smb_buf(inbuf
),-2);
2804 data
= smb_buf(inbuf
);
2806 numtowrite
= SVAL(inbuf
,smb_vwv10
);
2807 data
= smb_base(inbuf
) + SVAL(inbuf
, smb_vwv11
);
2810 /* force the error type */
2811 SCVAL(inbuf
,smb_com
,SMBwritec
);
2812 SCVAL(outbuf
,smb_com
,SMBwritec
);
2814 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)tcount
,(SMB_BIG_UINT
)startpos
, WRITE_LOCK
)) {
2815 END_PROFILE(SMBwritebraw
);
2816 return(ERROR_DOS(ERRDOS
,ERRlock
));
2820 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
2822 DEBUG(3,("writebraw1 fnum=%d start=%.0f num=%d wrote=%d sync=%d\n",
2823 fsp
->fnum
, (double)startpos
, (int)numtowrite
, (int)nwritten
, (int)write_through
));
2825 if (nwritten
< (ssize_t
)numtowrite
) {
2826 END_PROFILE(SMBwritebraw
);
2827 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
2830 total_written
= nwritten
;
2832 /* Return a message to the redirector to tell it to send more bytes */
2833 SCVAL(outbuf
,smb_com
,SMBwritebraw
);
2834 SSVALS(outbuf
,smb_vwv0
,-1);
2835 outsize
= set_message(inbuf
,outbuf
,Protocol
>PROTOCOL_COREPLUS
?1:0,0,True
);
2837 if (!send_smb(smbd_server_fd(),outbuf
))
2838 exit_server_cleanly("reply_writebraw: send_smb failed.");
2840 /* Now read the raw data into the buffer and write it */
2841 if (read_smb_length(smbd_server_fd(),inbuf
,SMB_SECONDARY_WAIT
) == -1) {
2842 exit_server_cleanly("secondary writebraw failed");
2845 /* Even though this is not an smb message, smb_len returns the generic length of an smb message */
2846 numtowrite
= smb_len(inbuf
);
2848 /* Set up outbuf to return the correct return */
2849 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
2850 SCVAL(outbuf
,smb_com
,SMBwritec
);
2852 if (numtowrite
!= 0) {
2854 if (numtowrite
> BUFFER_SIZE
) {
2855 DEBUG(0,("reply_writebraw: Oversize secondary write raw requested (%u). Terminating\n",
2856 (unsigned int)numtowrite
));
2857 exit_server_cleanly("secondary writebraw failed");
2860 if (tcount
> nwritten
+numtowrite
) {
2861 DEBUG(3,("Client overestimated the write %d %d %d\n",
2862 (int)tcount
,(int)nwritten
,(int)numtowrite
));
2865 if (read_data( smbd_server_fd(), inbuf
+4, numtowrite
) != numtowrite
) {
2866 DEBUG(0,("reply_writebraw: Oversize secondary write raw read failed (%s). Terminating\n",
2868 exit_server_cleanly("secondary writebraw failed");
2871 nwritten
= write_file(fsp
,inbuf
+4,startpos
+nwritten
,numtowrite
);
2872 if (nwritten
== -1) {
2873 END_PROFILE(SMBwritebraw
);
2874 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
2877 if (nwritten
< (ssize_t
)numtowrite
) {
2878 SCVAL(outbuf
,smb_rcls
,ERRHRD
);
2879 SSVAL(outbuf
,smb_err
,ERRdiskfull
);
2883 total_written
+= nwritten
;
2886 SSVAL(outbuf
,smb_vwv0
,total_written
);
2888 sync_file(conn
, fsp
, write_through
);
2890 DEBUG(3,("writebraw2 fnum=%d start=%.0f num=%d wrote=%d\n",
2891 fsp
->fnum
, (double)startpos
, (int)numtowrite
,(int)total_written
));
2893 /* we won't return a status if write through is not selected - this follows what WfWg does */
2894 END_PROFILE(SMBwritebraw
);
2895 if (!write_through
&& total_written
==tcount
) {
2897 #if RABBIT_PELLET_FIX
2899 * Fix for "rabbit pellet" mode, trigger an early TCP ack by
2900 * sending a SMBkeepalive. Thanks to DaveCB at Sun for this. JRA.
2902 if (!send_keepalive(smbd_server_fd()))
2903 exit_server_cleanly("reply_writebraw: send of keepalive failed");
2912 #define DBGC_CLASS DBGC_LOCKING
2914 /****************************************************************************
2915 Reply to a writeunlock (core+).
2916 ****************************************************************************/
2918 int reply_writeunlock(connection_struct
*conn
, char *inbuf
,char *outbuf
,
2919 int size
, int dum_buffsize
)
2921 ssize_t nwritten
= -1;
2925 NTSTATUS status
= NT_STATUS_OK
;
2926 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
2928 START_PROFILE(SMBwriteunlock
);
2930 CHECK_FSP(fsp
,conn
);
2931 if (!CHECK_WRITE(fsp
)) {
2932 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
2935 numtowrite
= SVAL(inbuf
,smb_vwv1
);
2936 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
2937 data
= smb_buf(inbuf
) + 3;
2939 if (numtowrite
&& is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)numtowrite
,(SMB_BIG_UINT
)startpos
, WRITE_LOCK
)) {
2940 END_PROFILE(SMBwriteunlock
);
2941 return ERROR_DOS(ERRDOS
,ERRlock
);
2944 /* The special X/Open SMB protocol handling of
2945 zero length writes is *NOT* done for
2947 if(numtowrite
== 0) {
2950 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
2953 sync_file(conn
, fsp
, False
/* write through */);
2955 if(((nwritten
== 0) && (numtowrite
!= 0))||(nwritten
< 0)) {
2956 END_PROFILE(SMBwriteunlock
);
2957 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
2961 status
= do_unlock(smbd_messaging_context(),
2963 (uint32
)SVAL(inbuf
,smb_pid
),
2964 (SMB_BIG_UINT
)numtowrite
,
2965 (SMB_BIG_UINT
)startpos
,
2968 if (NT_STATUS_V(status
)) {
2969 END_PROFILE(SMBwriteunlock
);
2970 return ERROR_NT(status
);
2974 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
2976 SSVAL(outbuf
,smb_vwv0
,nwritten
);
2978 DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
2979 fsp
->fnum
, (int)numtowrite
, (int)nwritten
));
2981 END_PROFILE(SMBwriteunlock
);
2986 #define DBGC_CLASS DBGC_ALL
2988 /****************************************************************************
2990 ****************************************************************************/
2992 int reply_write(connection_struct
*conn
, char *inbuf
,char *outbuf
,int size
,int dum_buffsize
)
2995 ssize_t nwritten
= -1;
2998 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3000 START_PROFILE(SMBwrite
);
3002 /* If it's an IPC, pass off the pipe handler. */
3004 END_PROFILE(SMBwrite
);
3005 return reply_pipe_write(inbuf
,outbuf
,size
,dum_buffsize
);
3008 CHECK_FSP(fsp
,conn
);
3009 if (!CHECK_WRITE(fsp
)) {
3010 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
3013 numtowrite
= SVAL(inbuf
,smb_vwv1
);
3014 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
3015 data
= smb_buf(inbuf
) + 3;
3017 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)numtowrite
,(SMB_BIG_UINT
)startpos
, WRITE_LOCK
)) {
3018 END_PROFILE(SMBwrite
);
3019 return ERROR_DOS(ERRDOS
,ERRlock
);
3023 * X/Open SMB protocol says that if smb_vwv1 is
3024 * zero then the file size should be extended or
3025 * truncated to the size given in smb_vwv[2-3].
3028 if(numtowrite
== 0) {
3030 * This is actually an allocate call, and set EOF. JRA.
3032 nwritten
= vfs_allocate_file_space(fsp
, (SMB_OFF_T
)startpos
);
3034 END_PROFILE(SMBwrite
);
3035 return ERROR_NT(NT_STATUS_DISK_FULL
);
3037 nwritten
= vfs_set_filelen(fsp
, (SMB_OFF_T
)startpos
);
3039 END_PROFILE(SMBwrite
);
3040 return ERROR_NT(NT_STATUS_DISK_FULL
);
3043 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
3045 sync_file(conn
, fsp
, False
);
3047 if(((nwritten
== 0) && (numtowrite
!= 0))||(nwritten
< 0)) {
3048 END_PROFILE(SMBwrite
);
3049 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
3052 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
3054 SSVAL(outbuf
,smb_vwv0
,nwritten
);
3056 if (nwritten
< (ssize_t
)numtowrite
) {
3057 SCVAL(outbuf
,smb_rcls
,ERRHRD
);
3058 SSVAL(outbuf
,smb_err
,ERRdiskfull
);
3061 DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp
->fnum
, (int)numtowrite
, (int)nwritten
));
3063 END_PROFILE(SMBwrite
);
3067 /****************************************************************************
3068 Reply to a write and X.
3069 ****************************************************************************/
3071 int reply_write_and_X(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
3073 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv2
);
3074 SMB_OFF_T startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv3
);
3075 size_t numtowrite
= SVAL(inbuf
,smb_vwv10
);
3076 BOOL write_through
= BITSETW(inbuf
+smb_vwv7
,0);
3077 ssize_t nwritten
= -1;
3078 unsigned int smb_doff
= SVAL(inbuf
,smb_vwv11
);
3079 unsigned int smblen
= smb_len(inbuf
);
3081 BOOL large_writeX
= ((CVAL(inbuf
,smb_wct
) == 14) && (smblen
> 0xFFFF));
3082 START_PROFILE(SMBwriteX
);
3084 /* If it's an IPC, pass off the pipe handler. */
3086 END_PROFILE(SMBwriteX
);
3087 return reply_pipe_write_and_X(inbuf
,outbuf
,length
,bufsize
);
3090 CHECK_FSP(fsp
,conn
);
3091 if (!CHECK_WRITE(fsp
)) {
3092 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
3095 set_message(inbuf
,outbuf
,6,0,True
);
3097 /* Deal with possible LARGE_WRITEX */
3099 numtowrite
|= ((((size_t)SVAL(inbuf
,smb_vwv9
)) & 1 )<<16);
3102 if(smb_doff
> smblen
|| (smb_doff
+ numtowrite
> smblen
)) {
3103 END_PROFILE(SMBwriteX
);
3104 return ERROR_DOS(ERRDOS
,ERRbadmem
);
3107 data
= smb_base(inbuf
) + smb_doff
;
3109 if(CVAL(inbuf
,smb_wct
) == 14) {
3110 #ifdef LARGE_SMB_OFF_T
3112 * This is a large offset (64 bit) write.
3114 startpos
|= (((SMB_OFF_T
)IVAL(inbuf
,smb_vwv12
)) << 32);
3116 #else /* !LARGE_SMB_OFF_T */
3119 * Ensure we haven't been sent a >32 bit offset.
3122 if(IVAL(inbuf
,smb_vwv12
) != 0) {
3123 DEBUG(0,("reply_write_and_X - large offset (%x << 32) used and we don't support \
3124 64 bit offsets.\n", (unsigned int)IVAL(inbuf
,smb_vwv12
) ));
3125 END_PROFILE(SMBwriteX
);
3126 return ERROR_DOS(ERRDOS
,ERRbadaccess
);
3129 #endif /* LARGE_SMB_OFF_T */
3132 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)numtowrite
,(SMB_BIG_UINT
)startpos
, WRITE_LOCK
)) {
3133 END_PROFILE(SMBwriteX
);
3134 return ERROR_DOS(ERRDOS
,ERRlock
);
3137 /* X/Open SMB protocol says that, unlike SMBwrite
3138 if the length is zero then NO truncation is
3139 done, just a write of zero. To truncate a file,
3142 if(numtowrite
== 0) {
3146 if (schedule_aio_write_and_X(conn
, inbuf
, outbuf
, length
, bufsize
,
3147 fsp
,data
,startpos
,numtowrite
)) {
3148 END_PROFILE(SMBwriteX
);
3152 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
3155 if(((nwritten
== 0) && (numtowrite
!= 0))||(nwritten
< 0)) {
3156 END_PROFILE(SMBwriteX
);
3157 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
3160 SSVAL(outbuf
,smb_vwv2
,nwritten
);
3162 SSVAL(outbuf
,smb_vwv4
,(nwritten
>>16)&1);
3164 if (nwritten
< (ssize_t
)numtowrite
) {
3165 SCVAL(outbuf
,smb_rcls
,ERRHRD
);
3166 SSVAL(outbuf
,smb_err
,ERRdiskfull
);
3169 DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
3170 fsp
->fnum
, (int)numtowrite
, (int)nwritten
));
3172 sync_file(conn
, fsp
, write_through
);
3174 END_PROFILE(SMBwriteX
);
3175 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
3178 /****************************************************************************
3180 ****************************************************************************/
3182 int reply_lseek(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
3188 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3189 START_PROFILE(SMBlseek
);
3191 CHECK_FSP(fsp
,conn
);
3193 flush_write_cache(fsp
, SEEK_FLUSH
);
3195 mode
= SVAL(inbuf
,smb_vwv1
) & 3;
3196 /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
3197 startpos
= (SMB_OFF_T
)IVALS(inbuf
,smb_vwv2
);
3206 res
= fsp
->fh
->pos
+ startpos
;
3217 if (umode
== SEEK_END
) {
3218 if((res
= SMB_VFS_LSEEK(fsp
,fsp
->fh
->fd
,startpos
,umode
)) == -1) {
3219 if(errno
== EINVAL
) {
3220 SMB_OFF_T current_pos
= startpos
;
3221 SMB_STRUCT_STAT sbuf
;
3223 if(SMB_VFS_FSTAT(fsp
,fsp
->fh
->fd
, &sbuf
) == -1) {
3224 END_PROFILE(SMBlseek
);
3225 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
3228 current_pos
+= sbuf
.st_size
;
3230 res
= SMB_VFS_LSEEK(fsp
,fsp
->fh
->fd
,0,SEEK_SET
);
3235 END_PROFILE(SMBlseek
);
3236 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
3242 outsize
= set_message(inbuf
,outbuf
,2,0,True
);
3243 SIVAL(outbuf
,smb_vwv0
,res
);
3245 DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
3246 fsp
->fnum
, (double)startpos
, (double)res
, mode
));
3248 END_PROFILE(SMBlseek
);
3252 /****************************************************************************
3254 ****************************************************************************/
3256 int reply_flush(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
3258 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3259 uint16 fnum
= SVAL(inbuf
,smb_vwv0
);
3260 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3261 START_PROFILE(SMBflush
);
3264 CHECK_FSP(fsp
,conn
);
3267 file_sync_all(conn
);
3269 sync_file(conn
,fsp
, True
);
3272 DEBUG(3,("flush\n"));
3273 END_PROFILE(SMBflush
);
3277 /****************************************************************************
3279 conn POINTER CAN BE NULL HERE !
3280 ****************************************************************************/
3282 int reply_exit(connection_struct
*conn
,
3283 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3286 START_PROFILE(SMBexit
);
3288 file_close_pid(SVAL(inbuf
,smb_pid
),SVAL(inbuf
,smb_uid
));
3290 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3292 DEBUG(3,("exit\n"));
3294 END_PROFILE(SMBexit
);
3298 /****************************************************************************
3299 Reply to a close - has to deal with closing a directory opened by NT SMB's.
3300 ****************************************************************************/
3302 int reply_close(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
,
3305 NTSTATUS status
= NT_STATUS_OK
;
3307 files_struct
*fsp
= NULL
;
3308 START_PROFILE(SMBclose
);
3310 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3312 /* If it's an IPC, pass off to the pipe handler. */
3314 END_PROFILE(SMBclose
);
3315 return reply_pipe_close(conn
, inbuf
,outbuf
);
3318 fsp
= file_fsp(inbuf
,smb_vwv0
);
3321 * We can only use CHECK_FSP if we know it's not a directory.
3324 if(!fsp
|| (fsp
->conn
!= conn
) || (fsp
->vuid
!= current_user
.vuid
)) {
3325 END_PROFILE(SMBclose
);
3326 return ERROR_DOS(ERRDOS
,ERRbadfid
);
3329 if(fsp
->is_directory
) {
3331 * Special case - close NT SMB directory handle.
3333 DEBUG(3,("close directory fnum=%d\n", fsp
->fnum
));
3334 status
= close_file(fsp
,NORMAL_CLOSE
);
3337 * Close ordinary file.
3340 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
3341 fsp
->fh
->fd
, fsp
->fnum
,
3342 conn
->num_files_open
));
3345 * Take care of any time sent in the close.
3348 fsp_set_pending_modtime(fsp
,
3349 convert_time_t_to_timespec(srv_make_unix_date3(inbuf
+smb_vwv1
)));
3352 * close_file() returns the unix errno if an error
3353 * was detected on close - normally this is due to
3354 * a disk full error. If not then it was probably an I/O error.
3357 status
= close_file(fsp
,NORMAL_CLOSE
);
3360 if(!NT_STATUS_IS_OK(status
)) {
3361 END_PROFILE(SMBclose
);
3362 return ERROR_NT(status
);
3365 END_PROFILE(SMBclose
);
3369 /****************************************************************************
3370 Reply to a writeclose (Core+ protocol).
3371 ****************************************************************************/
3373 int reply_writeclose(connection_struct
*conn
,
3374 char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
3377 ssize_t nwritten
= -1;
3379 NTSTATUS close_status
= NT_STATUS_OK
;
3382 struct timespec mtime
;
3383 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3384 START_PROFILE(SMBwriteclose
);
3386 CHECK_FSP(fsp
,conn
);
3387 if (!CHECK_WRITE(fsp
)) {
3388 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
3391 numtowrite
= SVAL(inbuf
,smb_vwv1
);
3392 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
3393 mtime
= convert_time_t_to_timespec(srv_make_unix_date3(inbuf
+smb_vwv4
));
3394 data
= smb_buf(inbuf
) + 1;
3396 if (numtowrite
&& is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)numtowrite
,(SMB_BIG_UINT
)startpos
, WRITE_LOCK
)) {
3397 END_PROFILE(SMBwriteclose
);
3398 return ERROR_DOS(ERRDOS
,ERRlock
);
3401 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
3403 set_filetime(conn
, fsp
->fsp_name
, mtime
);
3406 * More insanity. W2K only closes the file if writelen > 0.
3411 DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
3413 close_status
= close_file(fsp
,NORMAL_CLOSE
);
3416 DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
3417 fsp
->fnum
, (int)numtowrite
, (int)nwritten
,
3418 conn
->num_files_open
));
3420 if(((nwritten
== 0) && (numtowrite
!= 0))||(nwritten
< 0)) {
3421 END_PROFILE(SMBwriteclose
);
3422 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
3425 if(!NT_STATUS_IS_OK(close_status
)) {
3426 END_PROFILE(SMBwriteclose
);
3427 return ERROR_NT(close_status
);
3430 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
3432 SSVAL(outbuf
,smb_vwv0
,nwritten
);
3433 END_PROFILE(SMBwriteclose
);
3438 #define DBGC_CLASS DBGC_LOCKING
3440 /****************************************************************************
3442 ****************************************************************************/
3444 int reply_lock(connection_struct
*conn
,
3445 char *inbuf
,char *outbuf
, int length
, int dum_buffsize
)
3447 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3448 SMB_BIG_UINT count
,offset
;
3450 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3451 struct byte_range_lock
*br_lck
= NULL
;
3453 START_PROFILE(SMBlock
);
3455 CHECK_FSP(fsp
,conn
);
3457 release_level_2_oplocks_on_change(fsp
);
3459 count
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_vwv1
);
3460 offset
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_vwv3
);
3462 DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
3463 fsp
->fh
->fd
, fsp
->fnum
, (double)offset
, (double)count
));
3465 br_lck
= do_lock(smbd_messaging_context(),
3467 (uint32
)SVAL(inbuf
,smb_pid
),
3472 False
, /* Non-blocking lock. */
3475 TALLOC_FREE(br_lck
);
3477 if (NT_STATUS_V(status
)) {
3478 END_PROFILE(SMBlock
);
3479 return ERROR_NT(status
);
3482 END_PROFILE(SMBlock
);
3486 /****************************************************************************
3488 ****************************************************************************/
3490 int reply_unlock(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
,
3493 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3494 SMB_BIG_UINT count
,offset
;
3496 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3497 START_PROFILE(SMBunlock
);
3499 CHECK_FSP(fsp
,conn
);
3501 count
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_vwv1
);
3502 offset
= (SMB_BIG_UINT
)IVAL(inbuf
,smb_vwv3
);
3504 status
= do_unlock(smbd_messaging_context(),
3506 (uint32
)SVAL(inbuf
,smb_pid
),
3511 if (NT_STATUS_V(status
)) {
3512 END_PROFILE(SMBunlock
);
3513 return ERROR_NT(status
);
3516 DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
3517 fsp
->fh
->fd
, fsp
->fnum
, (double)offset
, (double)count
) );
3519 END_PROFILE(SMBunlock
);
3524 #define DBGC_CLASS DBGC_ALL
3526 /****************************************************************************
3528 conn POINTER CAN BE NULL HERE !
3529 ****************************************************************************/
3531 int reply_tdis(connection_struct
*conn
,
3532 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3534 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3536 START_PROFILE(SMBtdis
);
3538 vuid
= SVAL(inbuf
,smb_uid
);
3541 DEBUG(4,("Invalid connection in tdis\n"));
3542 END_PROFILE(SMBtdis
);
3543 return ERROR_DOS(ERRSRV
,ERRinvnid
);
3548 close_cnum(conn
,vuid
);
3550 END_PROFILE(SMBtdis
);
3554 /****************************************************************************
3556 conn POINTER CAN BE NULL HERE !
3557 ****************************************************************************/
3559 int reply_echo(connection_struct
*conn
,
3560 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3562 int smb_reverb
= SVAL(inbuf
,smb_vwv0
);
3564 unsigned int data_len
= smb_buflen(inbuf
);
3565 int outsize
= set_message(inbuf
,outbuf
,1,data_len
,True
);
3566 START_PROFILE(SMBecho
);
3568 if (data_len
> BUFFER_SIZE
) {
3569 DEBUG(0,("reply_echo: data_len too large.\n"));
3570 END_PROFILE(SMBecho
);
3574 /* copy any incoming data back out */
3576 memcpy(smb_buf(outbuf
),smb_buf(inbuf
),data_len
);
3578 if (smb_reverb
> 100) {
3579 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb
));
3583 for (seq_num
=1 ; seq_num
<= smb_reverb
; seq_num
++) {
3584 SSVAL(outbuf
,smb_vwv0
,seq_num
);
3586 smb_setlen(inbuf
,outbuf
,outsize
- 4);
3589 if (!send_smb(smbd_server_fd(),outbuf
))
3590 exit_server_cleanly("reply_echo: send_smb failed.");
3593 DEBUG(3,("echo %d times\n", smb_reverb
));
3597 END_PROFILE(SMBecho
);
3601 /****************************************************************************
3602 Reply to a printopen.
3603 ****************************************************************************/
3605 int reply_printopen(connection_struct
*conn
,
3606 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3612 START_PROFILE(SMBsplopen
);
3614 if (!CAN_PRINT(conn
)) {
3615 END_PROFILE(SMBsplopen
);
3616 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
3619 /* Open for exclusive use, write only. */
3620 status
= print_fsp_open(conn
, NULL
, &fsp
);
3622 if (!NT_STATUS_IS_OK(status
)) {
3623 END_PROFILE(SMBsplopen
);
3624 return(ERROR_NT(status
));
3627 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
3628 SSVAL(outbuf
,smb_vwv0
,fsp
->fnum
);
3630 DEBUG(3,("openprint fd=%d fnum=%d\n",
3631 fsp
->fh
->fd
, fsp
->fnum
));
3633 END_PROFILE(SMBsplopen
);
3637 /****************************************************************************
3638 Reply to a printclose.
3639 ****************************************************************************/
3641 int reply_printclose(connection_struct
*conn
,
3642 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3644 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3645 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3647 START_PROFILE(SMBsplclose
);
3649 CHECK_FSP(fsp
,conn
);
3651 if (!CAN_PRINT(conn
)) {
3652 END_PROFILE(SMBsplclose
);
3653 return ERROR_NT(NT_STATUS_DOS(ERRSRV
, ERRerror
));
3656 DEBUG(3,("printclose fd=%d fnum=%d\n",
3657 fsp
->fh
->fd
,fsp
->fnum
));
3659 status
= close_file(fsp
,NORMAL_CLOSE
);
3661 if(!NT_STATUS_IS_OK(status
)) {
3662 END_PROFILE(SMBsplclose
);
3663 return ERROR_NT(status
);
3666 END_PROFILE(SMBsplclose
);
3670 /****************************************************************************
3671 Reply to a printqueue.
3672 ****************************************************************************/
3674 int reply_printqueue(connection_struct
*conn
,
3675 char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3677 int outsize
= set_message(inbuf
,outbuf
,2,3,True
);
3678 int max_count
= SVAL(inbuf
,smb_vwv0
);
3679 int start_index
= SVAL(inbuf
,smb_vwv1
);
3680 START_PROFILE(SMBsplretq
);
3682 /* we used to allow the client to get the cnum wrong, but that
3683 is really quite gross and only worked when there was only
3684 one printer - I think we should now only accept it if they
3685 get it right (tridge) */
3686 if (!CAN_PRINT(conn
)) {
3687 END_PROFILE(SMBsplretq
);
3688 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
3691 SSVAL(outbuf
,smb_vwv0
,0);
3692 SSVAL(outbuf
,smb_vwv1
,0);
3693 SCVAL(smb_buf(outbuf
),0,1);
3694 SSVAL(smb_buf(outbuf
),1,0);
3696 DEBUG(3,("printqueue start_index=%d max_count=%d\n",
3697 start_index
, max_count
));
3700 print_queue_struct
*queue
= NULL
;
3701 print_status_struct status
;
3702 char *p
= smb_buf(outbuf
) + 3;
3703 int count
= print_queue_status(SNUM(conn
), &queue
, &status
);
3704 int num_to_get
= ABS(max_count
);
3705 int first
= (max_count
>0?start_index
:start_index
+max_count
+1);
3711 num_to_get
= MIN(num_to_get
,count
-first
);
3714 for (i
=first
;i
<first
+num_to_get
;i
++) {
3715 srv_put_dos_date2(p
,0,queue
[i
].time
);
3716 SCVAL(p
,4,(queue
[i
].status
==LPQ_PRINTING
?2:3));
3717 SSVAL(p
,5, queue
[i
].job
);
3718 SIVAL(p
,7,queue
[i
].size
);
3720 srvstr_push(outbuf
, p
+12, queue
[i
].fs_user
, 16, STR_ASCII
);
3725 outsize
= set_message(inbuf
,outbuf
,2,28*count
+3,False
);
3726 SSVAL(outbuf
,smb_vwv0
,count
);
3727 SSVAL(outbuf
,smb_vwv1
,(max_count
>0?first
+count
:first
-1));
3728 SCVAL(smb_buf(outbuf
),0,1);
3729 SSVAL(smb_buf(outbuf
),1,28*count
);
3734 DEBUG(3,("%d entries returned in queue\n",count
));
3737 END_PROFILE(SMBsplretq
);
3741 /****************************************************************************
3742 Reply to a printwrite.
3743 ****************************************************************************/
3745 int reply_printwrite(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3748 int outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3750 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
3752 START_PROFILE(SMBsplwr
);
3754 if (!CAN_PRINT(conn
)) {
3755 END_PROFILE(SMBsplwr
);
3756 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
3759 CHECK_FSP(fsp
,conn
);
3760 if (!CHECK_WRITE(fsp
)) {
3761 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
3764 numtowrite
= SVAL(smb_buf(inbuf
),1);
3765 data
= smb_buf(inbuf
) + 3;
3767 if (write_file(fsp
,data
,-1,numtowrite
) != numtowrite
) {
3768 END_PROFILE(SMBsplwr
);
3769 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
3772 DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp
->fnum
, numtowrite
) );
3774 END_PROFILE(SMBsplwr
);
3778 /****************************************************************************
3780 ****************************************************************************/
3782 int reply_mkdir(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
3787 SMB_STRUCT_STAT sbuf
;
3789 START_PROFILE(SMBmkdir
);
3791 srvstr_get_path(inbuf
, directory
, smb_buf(inbuf
) + 1, sizeof(directory
), 0, STR_TERMINATE
, &status
);
3792 if (!NT_STATUS_IS_OK(status
)) {
3793 END_PROFILE(SMBmkdir
);
3794 return ERROR_NT(status
);
3797 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, directory
);
3798 if (!NT_STATUS_IS_OK(status
)) {
3799 END_PROFILE(SMBmkdir
);
3800 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
3801 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
3803 return ERROR_NT(status
);
3806 status
= unix_convert(conn
, directory
, False
, NULL
, &sbuf
);
3807 if (!NT_STATUS_IS_OK(status
)) {
3808 END_PROFILE(SMBmkdir
);
3809 return ERROR_NT(status
);
3812 status
= check_name(conn
, directory
);
3813 if (!NT_STATUS_IS_OK(status
)) {
3814 END_PROFILE(SMBmkdir
);
3815 return ERROR_NT(status
);
3818 status
= create_directory(conn
, directory
);
3820 DEBUG(5, ("create_directory returned %s\n", nt_errstr(status
)));
3822 if (!NT_STATUS_IS_OK(status
)) {
3824 if (!use_nt_status()
3825 && NT_STATUS_EQUAL(status
,
3826 NT_STATUS_OBJECT_NAME_COLLISION
)) {
3828 * Yes, in the DOS error code case we get a
3829 * ERRDOS:ERRnoaccess here. See BASE-SAMBA3ERROR
3830 * samba4 torture test.
3832 status
= NT_STATUS_DOS(ERRDOS
, ERRnoaccess
);
3835 END_PROFILE(SMBmkdir
);
3836 return ERROR_NT(status
);
3839 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
3841 DEBUG( 3, ( "mkdir %s ret=%d\n", directory
, outsize
) );
3843 END_PROFILE(SMBmkdir
);
3847 /****************************************************************************
3848 Static function used by reply_rmdir to delete an entire directory
3849 tree recursively. Return True on ok, False on fail.
3850 ****************************************************************************/
3852 static BOOL
recursive_rmdir(connection_struct
*conn
, char *directory
)
3854 const char *dname
= NULL
;
3857 struct smb_Dir
*dir_hnd
= OpenDir(conn
, directory
, NULL
, 0);
3862 while((dname
= ReadDirName(dir_hnd
, &offset
))) {
3866 if((strcmp(dname
, ".") == 0) || (strcmp(dname
, "..")==0))
3869 if (!is_visible_file(conn
, directory
, dname
, &st
, False
))
3872 /* Construct the full name. */
3873 if(strlen(directory
) + strlen(dname
) + 1 >= sizeof(fullname
)) {
3879 pstrcpy(fullname
, directory
);
3880 pstrcat(fullname
, "/");
3881 pstrcat(fullname
, dname
);
3883 if(SMB_VFS_LSTAT(conn
,fullname
, &st
) != 0) {
3888 if(st
.st_mode
& S_IFDIR
) {
3889 if(!recursive_rmdir(conn
, fullname
)) {
3893 if(SMB_VFS_RMDIR(conn
,fullname
) != 0) {
3897 } else if(SMB_VFS_UNLINK(conn
,fullname
) != 0) {
3906 /****************************************************************************
3907 The internals of the rmdir code - called elsewhere.
3908 ****************************************************************************/
3910 NTSTATUS
rmdir_internals(connection_struct
*conn
, const char *directory
)
3915 /* Might be a symlink. */
3916 if(SMB_VFS_LSTAT(conn
, directory
, &st
) != 0) {
3917 return map_nt_error_from_unix(errno
);
3920 if (S_ISLNK(st
.st_mode
)) {
3921 /* Is what it points to a directory ? */
3922 if(SMB_VFS_STAT(conn
, directory
, &st
) != 0) {
3923 return map_nt_error_from_unix(errno
);
3925 if (!(S_ISDIR(st
.st_mode
))) {
3926 return NT_STATUS_NOT_A_DIRECTORY
;
3928 ret
= SMB_VFS_UNLINK(conn
,directory
);
3930 ret
= SMB_VFS_RMDIR(conn
,directory
);
3933 notify_fname(conn
, NOTIFY_ACTION_REMOVED
,
3934 FILE_NOTIFY_CHANGE_DIR_NAME
,
3936 return NT_STATUS_OK
;
3939 if(((errno
== ENOTEMPTY
)||(errno
== EEXIST
)) && lp_veto_files(SNUM(conn
))) {
3941 * Check to see if the only thing in this directory are
3942 * vetoed files/directories. If so then delete them and
3943 * retry. If we fail to delete any of them (and we *don't*
3944 * do a recursive delete) then fail the rmdir.
3948 struct smb_Dir
*dir_hnd
= OpenDir(conn
, directory
, NULL
, 0);
3950 if(dir_hnd
== NULL
) {
3955 while ((dname
= ReadDirName(dir_hnd
,&dirpos
))) {
3956 if((strcmp(dname
, ".") == 0) || (strcmp(dname
, "..")==0))
3958 if (!is_visible_file(conn
, directory
, dname
, &st
, False
))
3960 if(!IS_VETO_PATH(conn
, dname
)) {
3967 /* We only have veto files/directories. Recursive delete. */
3969 RewindDir(dir_hnd
,&dirpos
);
3970 while ((dname
= ReadDirName(dir_hnd
,&dirpos
))) {
3973 if((strcmp(dname
, ".") == 0) || (strcmp(dname
, "..")==0))
3975 if (!is_visible_file(conn
, directory
, dname
, &st
, False
))
3978 /* Construct the full name. */
3979 if(strlen(directory
) + strlen(dname
) + 1 >= sizeof(fullname
)) {
3984 pstrcpy(fullname
, directory
);
3985 pstrcat(fullname
, "/");
3986 pstrcat(fullname
, dname
);
3988 if(SMB_VFS_LSTAT(conn
,fullname
, &st
) != 0)
3990 if(st
.st_mode
& S_IFDIR
) {
3991 if(lp_recursive_veto_delete(SNUM(conn
))) {
3992 if(!recursive_rmdir(conn
, fullname
))
3995 if(SMB_VFS_RMDIR(conn
,fullname
) != 0)
3997 } else if(SMB_VFS_UNLINK(conn
,fullname
) != 0)
4001 /* Retry the rmdir */
4002 ret
= SMB_VFS_RMDIR(conn
,directory
);
4008 DEBUG(3,("rmdir_internals: couldn't remove directory %s : "
4009 "%s\n", directory
,strerror(errno
)));
4010 return map_nt_error_from_unix(errno
);
4013 notify_fname(conn
, NOTIFY_ACTION_REMOVED
,
4014 FILE_NOTIFY_CHANGE_DIR_NAME
,
4017 return NT_STATUS_OK
;
4020 /****************************************************************************
4022 ****************************************************************************/
4024 int reply_rmdir(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
4028 SMB_STRUCT_STAT sbuf
;
4030 START_PROFILE(SMBrmdir
);
4032 srvstr_get_path(inbuf
, directory
, smb_buf(inbuf
) + 1, sizeof(directory
), 0, STR_TERMINATE
, &status
);
4033 if (!NT_STATUS_IS_OK(status
)) {
4034 END_PROFILE(SMBrmdir
);
4035 return ERROR_NT(status
);
4038 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, directory
);
4039 if (!NT_STATUS_IS_OK(status
)) {
4040 END_PROFILE(SMBrmdir
);
4041 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
4042 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
4044 return ERROR_NT(status
);
4047 status
= unix_convert(conn
, directory
, False
, NULL
, &sbuf
);
4048 if (!NT_STATUS_IS_OK(status
)) {
4049 END_PROFILE(SMBrmdir
);
4050 return ERROR_NT(status
);
4053 status
= check_name(conn
, directory
);
4054 if (!NT_STATUS_IS_OK(status
)) {
4055 END_PROFILE(SMBrmdir
);
4056 return ERROR_NT(status
);
4059 dptr_closepath(directory
,SVAL(inbuf
,smb_pid
));
4060 status
= rmdir_internals(conn
, directory
);
4061 if (!NT_STATUS_IS_OK(status
)) {
4062 END_PROFILE(SMBrmdir
);
4063 return ERROR_NT(status
);
4066 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
4068 DEBUG( 3, ( "rmdir %s\n", directory
) );
4070 END_PROFILE(SMBrmdir
);
4074 /*******************************************************************
4075 Resolve wildcards in a filename rename.
4076 Note that name is in UNIX charset and thus potentially can be more
4077 than fstring buffer (255 bytes) especially in default UTF-8 case.
4078 Therefore, we use pstring inside and all calls should ensure that
4079 name2 is at least pstring-long (they do already)
4080 ********************************************************************/
4082 static BOOL
resolve_wildcards(const char *name1
, char *name2
)
4084 pstring root1
,root2
;
4086 char *p
,*p2
, *pname1
, *pname2
;
4087 int available_space
, actual_space
;
4089 pname1
= strrchr_m(name1
,'/');
4090 pname2
= strrchr_m(name2
,'/');
4092 if (!pname1
|| !pname2
)
4095 pstrcpy(root1
,pname1
);
4096 pstrcpy(root2
,pname2
);
4097 p
= strrchr_m(root1
,'.');
4104 p
= strrchr_m(root2
,'.');
4118 } else if (*p2
== '*') {
4134 } else if (*p2
== '*') {
4144 available_space
= sizeof(pstring
) - PTR_DIFF(pname2
, name2
);
4147 actual_space
= snprintf(pname2
, available_space
- 1, "%s.%s", root2
, ext2
);
4148 if (actual_space
>= available_space
- 1) {
4149 DEBUG(1,("resolve_wildcards: can't fit resolved name into specified buffer (overrun by %d bytes)\n",
4150 actual_space
- available_space
));
4153 pstrcpy_base(pname2
, root2
, name2
);
4159 /****************************************************************************
4160 Ensure open files have their names updated. Updated to notify other smbd's
4162 ****************************************************************************/
4164 static void rename_open_files(connection_struct
*conn
, struct share_mode_lock
*lck
,
4165 SMB_DEV_T dev
, SMB_INO_T inode
, const char *newname
)
4168 BOOL did_rename
= False
;
4170 for(fsp
= file_find_di_first(dev
, inode
); fsp
; fsp
= file_find_di_next(fsp
)) {
4171 /* fsp_name is a relative path under the fsp. To change this for other
4172 sharepaths we need to manipulate relative paths. */
4173 /* TODO - create the absolute path and manipulate the newname
4174 relative to the sharepath. */
4175 if (fsp
->conn
!= conn
) {
4178 DEBUG(10,("rename_open_files: renaming file fnum %d (dev = %x, inode = %.0f) from %s -> %s\n",
4179 fsp
->fnum
, (unsigned int)fsp
->dev
, (double)fsp
->inode
,
4180 fsp
->fsp_name
, newname
));
4181 string_set(&fsp
->fsp_name
, newname
);
4186 DEBUG(10,("rename_open_files: no open files on dev %x, inode %.0f for %s\n",
4187 (unsigned int)dev
, (double)inode
, newname
));
4190 /* Send messages to all smbd's (not ourself) that the name has changed. */
4191 rename_share_filename(smbd_messaging_context(), lck
, conn
->connectpath
,
4195 /****************************************************************************
4196 We need to check if the source path is a parent directory of the destination
4197 (ie. a rename of /foo/bar/baz -> /foo/bar/baz/bibble/bobble. If so we must
4198 refuse the rename with a sharing violation. Under UNIX the above call can
4199 *succeed* if /foo/bar/baz is a symlink to another area in the share. We
4200 probably need to check that the client is a Windows one before disallowing
4201 this as a UNIX client (one with UNIX extensions) can know the source is a
4202 symlink and make this decision intelligently. Found by an excellent bug
4203 report from <AndyLiebman@aol.com>.
4204 ****************************************************************************/
4206 static BOOL
rename_path_prefix_equal(const char *src
, const char *dest
)
4208 const char *psrc
= src
;
4209 const char *pdst
= dest
;
4212 if (psrc
[0] == '.' && psrc
[1] == '/') {
4215 if (pdst
[0] == '.' && pdst
[1] == '/') {
4218 if ((slen
= strlen(psrc
)) > strlen(pdst
)) {
4221 return ((memcmp(psrc
, pdst
, slen
) == 0) && pdst
[slen
] == '/');
4224 /****************************************************************************
4225 Rename an open file - given an fsp.
4226 ****************************************************************************/
4228 NTSTATUS
rename_internals_fsp(connection_struct
*conn
, files_struct
*fsp
, pstring newname
, uint32 attrs
, BOOL replace_if_exists
)
4230 SMB_STRUCT_STAT sbuf
;
4231 pstring newname_last_component
;
4232 NTSTATUS status
= NT_STATUS_OK
;
4234 struct share_mode_lock
*lck
= NULL
;
4238 status
= unix_convert(conn
, newname
, False
, newname_last_component
, &sbuf
);
4239 if (!NT_STATUS_IS_OK(status
)) {
4243 status
= check_name(conn
, newname
);
4244 if (!NT_STATUS_IS_OK(status
)) {
4248 /* Ensure newname contains a '/' */
4249 if(strrchr_m(newname
,'/') == 0) {
4252 pstrcpy(tmpstr
, "./");
4253 pstrcat(tmpstr
, newname
);
4254 pstrcpy(newname
, tmpstr
);
4258 * Check for special case with case preserving and not
4259 * case sensitive. If the old last component differs from the original
4260 * last component only by case, then we should allow
4261 * the rename (user is trying to change the case of the
4265 if((conn
->case_sensitive
== False
) && (conn
->case_preserve
== True
) &&
4266 strequal(newname
, fsp
->fsp_name
)) {
4268 pstring newname_modified_last_component
;
4271 * Get the last component of the modified name.
4272 * Note that we guarantee that newname contains a '/'
4275 p
= strrchr_m(newname
,'/');
4276 pstrcpy(newname_modified_last_component
,p
+1);
4278 if(strcsequal(newname_modified_last_component
,
4279 newname_last_component
) == False
) {
4281 * Replace the modified last component with
4284 pstrcpy(p
+1, newname_last_component
);
4289 * If the src and dest names are identical - including case,
4290 * don't do the rename, just return success.
4293 if (strcsequal(fsp
->fsp_name
, newname
)) {
4294 DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
4296 return NT_STATUS_OK
;
4299 dest_exists
= vfs_object_exist(conn
,newname
,NULL
);
4301 if(!replace_if_exists
&& dest_exists
) {
4302 DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
4303 fsp
->fsp_name
,newname
));
4304 return NT_STATUS_OBJECT_NAME_COLLISION
;
4307 status
= can_rename(conn
,newname
,attrs
,&sbuf
);
4309 if (dest_exists
&& !NT_STATUS_IS_OK(status
)) {
4310 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
4311 nt_errstr(status
), fsp
->fsp_name
,newname
));
4312 if (NT_STATUS_EQUAL(status
,NT_STATUS_SHARING_VIOLATION
))
4313 status
= NT_STATUS_ACCESS_DENIED
;
4317 if (rename_path_prefix_equal(fsp
->fsp_name
, newname
)) {
4318 return NT_STATUS_ACCESS_DENIED
;
4321 lck
= get_share_mode_lock(NULL
, fsp
->dev
, fsp
->inode
, NULL
, NULL
);
4323 if(SMB_VFS_RENAME(conn
,fsp
->fsp_name
, newname
) == 0) {
4324 DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
4325 fsp
->fsp_name
,newname
));
4326 rename_open_files(conn
, lck
, fsp
->dev
, fsp
->inode
, newname
);
4328 return NT_STATUS_OK
;
4333 if (errno
== ENOTDIR
|| errno
== EISDIR
) {
4334 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
4336 status
= map_nt_error_from_unix(errno
);
4339 DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
4340 nt_errstr(status
), fsp
->fsp_name
,newname
));
4346 * Do the notify calls from a rename
4349 static void notify_rename(connection_struct
*conn
, BOOL is_dir
,
4350 const char *oldpath
, const char *newpath
)
4352 char *olddir
, *newdir
;
4353 const char *oldname
, *newname
;
4356 mask
= is_dir
? FILE_NOTIFY_CHANGE_DIR_NAME
4357 : FILE_NOTIFY_CHANGE_FILE_NAME
;
4359 if (!parent_dirname_talloc(NULL
, oldpath
, &olddir
, &oldname
)
4360 || !parent_dirname_talloc(NULL
, newpath
, &newdir
, &newname
)) {
4361 TALLOC_FREE(olddir
);
4365 if (strcmp(olddir
, newdir
) == 0) {
4366 notify_fname(conn
, NOTIFY_ACTION_OLD_NAME
, mask
, oldpath
);
4367 notify_fname(conn
, NOTIFY_ACTION_NEW_NAME
, mask
, newpath
);
4370 notify_fname(conn
, NOTIFY_ACTION_REMOVED
, mask
, oldpath
);
4371 notify_fname(conn
, NOTIFY_ACTION_ADDED
, mask
, newpath
);
4373 TALLOC_FREE(olddir
);
4374 TALLOC_FREE(newdir
);
4376 /* this is a strange one. w2k3 gives an additional event for
4377 CHANGE_ATTRIBUTES and CHANGE_CREATION on the new file when renaming
4378 files, but not directories */
4380 notify_fname(conn
, NOTIFY_ACTION_MODIFIED
,
4381 FILE_NOTIFY_CHANGE_ATTRIBUTES
4382 |FILE_NOTIFY_CHANGE_CREATION
,
4387 /****************************************************************************
4388 The guts of the rename command, split out so it may be called by the NT SMB
4390 ****************************************************************************/
4392 NTSTATUS
rename_internals(connection_struct
*conn
,
4396 BOOL replace_if_exists
,
4402 pstring last_component_src
;
4403 pstring last_component_dest
;
4406 NTSTATUS status
= NT_STATUS_OK
;
4407 SMB_STRUCT_STAT sbuf1
, sbuf2
;
4408 struct share_mode_lock
*lck
= NULL
;
4409 struct smb_Dir
*dir_hnd
= NULL
;
4414 *directory
= *mask
= 0;
4419 status
= unix_convert(conn
, name
, src_has_wild
, last_component_src
, &sbuf1
);
4420 if (!NT_STATUS_IS_OK(status
)) {
4424 status
= unix_convert(conn
, newname
, dest_has_wild
, last_component_dest
, &sbuf2
);
4425 if (!NT_STATUS_IS_OK(status
)) {
4430 * Split the old name into directory and last component
4431 * strings. Note that unix_convert may have stripped off a
4432 * leading ./ from both name and newname if the rename is
4433 * at the root of the share. We need to make sure either both
4434 * name and newname contain a / character or neither of them do
4435 * as this is checked in resolve_wildcards().
4438 p
= strrchr_m(name
,'/');
4440 pstrcpy(directory
,".");
4444 pstrcpy(directory
,name
);
4446 *p
= '/'; /* Replace needed for exceptional test below. */
4450 * We should only check the mangled cache
4451 * here if unix_convert failed. This means
4452 * that the path in 'mask' doesn't exist
4453 * on the file system and so we need to look
4454 * for a possible mangle. This patch from
4455 * Tine Smukavec <valentin.smukavec@hermes.si>.
4458 if (!VALID_STAT(sbuf1
) && mangle_is_mangled(mask
, conn
->params
)) {
4459 mangle_check_cache( mask
, sizeof(pstring
)-1, conn
->params
);
4462 if (!src_has_wild
) {
4464 * No wildcards - just process the one file.
4466 BOOL is_short_name
= mangle_is_8_3(name
, True
, conn
->params
);
4468 /* Add a terminating '/' to the directory name. */
4469 pstrcat(directory
,"/");
4470 pstrcat(directory
,mask
);
4472 /* Ensure newname contains a '/' also */
4473 if(strrchr_m(newname
,'/') == 0) {
4476 pstrcpy(tmpstr
, "./");
4477 pstrcat(tmpstr
, newname
);
4478 pstrcpy(newname
, tmpstr
);
4481 DEBUG(3, ("rename_internals: case_sensitive = %d, "
4482 "case_preserve = %d, short case preserve = %d, "
4483 "directory = %s, newname = %s, "
4484 "last_component_dest = %s, is_8_3 = %d\n",
4485 conn
->case_sensitive
, conn
->case_preserve
,
4486 conn
->short_case_preserve
, directory
,
4487 newname
, last_component_dest
, is_short_name
));
4489 /* Ensure the source name is valid for us to access. */
4490 status
= check_name(conn
, directory
);
4491 if (!NT_STATUS_IS_OK(status
)) {
4495 /* The dest name still may have wildcards. */
4496 if (dest_has_wild
) {
4497 if (!resolve_wildcards(directory
,newname
)) {
4498 DEBUG(6, ("rename_internals: resolve_wildcards %s %s failed\n",
4499 directory
,newname
));
4500 return NT_STATUS_NO_MEMORY
;
4505 * Check for special case with case preserving and not
4506 * case sensitive, if directory and newname are identical,
4507 * and the old last component differs from the original
4508 * last component only by case, then we should allow
4509 * the rename (user is trying to change the case of the
4512 if((conn
->case_sensitive
== False
) &&
4513 (((conn
->case_preserve
== True
) &&
4514 (is_short_name
== False
)) ||
4515 ((conn
->short_case_preserve
== True
) &&
4516 (is_short_name
== True
))) &&
4517 strcsequal(directory
, newname
)) {
4518 pstring modified_last_component
;
4521 * Get the last component of the modified name.
4522 * Note that we guarantee that newname contains a '/'
4525 p
= strrchr_m(newname
,'/');
4526 pstrcpy(modified_last_component
,p
+1);
4528 if(strcsequal(modified_last_component
,
4529 last_component_dest
) == False
) {
4531 * Replace the modified last component with
4534 pstrcpy(p
+1, last_component_dest
);
4538 /* Ensure the dest name is valid for us to access. */
4539 status
= check_name(conn
, newname
);
4540 if (!NT_STATUS_IS_OK(status
)) {
4545 * The source object must exist.
4548 if (!vfs_object_exist(conn
, directory
, &sbuf1
)) {
4549 DEBUG(3, ("rename_internals: source doesn't exist "
4550 "doing rename %s -> %s\n",
4551 directory
,newname
));
4553 if (errno
== ENOTDIR
|| errno
== EISDIR
4554 || errno
== ENOENT
) {
4556 * Must return different errors depending on
4557 * whether the parent directory existed or
4561 p
= strrchr_m(directory
, '/');
4563 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
4565 if (vfs_object_exist(conn
, directory
, NULL
))
4566 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
4567 return NT_STATUS_OBJECT_PATH_NOT_FOUND
;
4569 status
= map_nt_error_from_unix(errno
);
4570 DEBUG(3, ("rename_internals: Error %s rename %s -> "
4571 "%s\n", nt_errstr(status
), directory
,
4577 status
= can_rename(conn
,directory
,attrs
,&sbuf1
);
4579 if (!NT_STATUS_IS_OK(status
)) {
4580 DEBUG(3,("rename_internals: Error %s rename %s -> "
4581 "%s\n", nt_errstr(status
), directory
,
4587 * If the src and dest names are identical - including case,
4588 * don't do the rename, just return success.
4591 if (strcsequal(directory
, newname
)) {
4592 rename_open_files(conn
, NULL
, sbuf1
.st_dev
,
4593 sbuf1
.st_ino
, newname
);
4594 DEBUG(3, ("rename_internals: identical names in "
4595 "rename %s - returning success\n",
4597 return NT_STATUS_OK
;
4600 if(!replace_if_exists
&& vfs_object_exist(conn
,newname
,NULL
)) {
4601 DEBUG(3,("rename_internals: dest exists doing "
4602 "rename %s -> %s\n", directory
, newname
));
4603 return NT_STATUS_OBJECT_NAME_COLLISION
;
4606 if (rename_path_prefix_equal(directory
, newname
)) {
4607 return NT_STATUS_SHARING_VIOLATION
;
4610 lck
= get_share_mode_lock(NULL
, sbuf1
.st_dev
, sbuf1
.st_ino
,
4613 if(SMB_VFS_RENAME(conn
,directory
, newname
) == 0) {
4614 DEBUG(3,("rename_internals: succeeded doing rename "
4615 "on %s -> %s\n", directory
, newname
));
4616 rename_open_files(conn
, lck
, sbuf1
.st_dev
,
4617 sbuf1
.st_ino
, newname
);
4619 notify_rename(conn
, S_ISDIR(sbuf1
.st_mode
),
4620 directory
, newname
);
4621 return NT_STATUS_OK
;
4625 if (errno
== ENOTDIR
|| errno
== EISDIR
) {
4626 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
4628 status
= map_nt_error_from_unix(errno
);
4631 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
4632 nt_errstr(status
), directory
,newname
));
4638 * Wildcards - process each file that matches.
4640 if (strequal(mask
,"????????.???")) {
4644 status
= check_name(conn
, directory
);
4645 if (!NT_STATUS_IS_OK(status
)) {
4649 dir_hnd
= OpenDir(conn
, directory
, mask
, attrs
);
4650 if (dir_hnd
== NULL
) {
4651 return map_nt_error_from_unix(errno
);
4654 status
= NT_STATUS_NO_SUCH_FILE
;
4656 * Was status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
4657 * - gentest fix. JRA
4660 while ((dname
= ReadDirName(dir_hnd
, &offset
))) {
4662 BOOL sysdir_entry
= False
;
4664 pstrcpy(fname
,dname
);
4666 /* Quick check for "." and ".." */
4667 if (fname
[0] == '.') {
4668 if (!fname
[1] || (fname
[1] == '.' && !fname
[2])) {
4670 sysdir_entry
= True
;
4677 if (!is_visible_file(conn
, directory
, dname
, &sbuf1
, False
)) {
4681 if(!mask_match(fname
, mask
, conn
->case_sensitive
)) {
4686 status
= NT_STATUS_OBJECT_NAME_INVALID
;
4690 status
= NT_STATUS_ACCESS_DENIED
;
4691 slprintf(fname
, sizeof(fname
)-1, "%s/%s", directory
, dname
);
4693 /* Ensure the source name is valid for us to access. */
4694 status
= check_name(conn
, fname
);
4695 if (!NT_STATUS_IS_OK(status
)) {
4699 if (!vfs_object_exist(conn
, fname
, &sbuf1
)) {
4700 status
= NT_STATUS_OBJECT_NAME_NOT_FOUND
;
4701 DEBUG(6, ("rename %s failed. Error %s\n",
4702 fname
, nt_errstr(status
)));
4705 status
= can_rename(conn
,fname
,attrs
,&sbuf1
);
4706 if (!NT_STATUS_IS_OK(status
)) {
4707 DEBUG(6, ("rename %s refused\n", fname
));
4710 pstrcpy(destname
,newname
);
4712 if (!resolve_wildcards(fname
,destname
)) {
4713 DEBUG(6, ("resolve_wildcards %s %s failed\n",
4718 /* Ensure the dest name is valid for us to access. */
4719 status
= check_name(conn
, destname
);
4720 if (!NT_STATUS_IS_OK(status
)) {
4724 if (strcsequal(fname
,destname
)) {
4725 rename_open_files(conn
, NULL
, sbuf1
.st_dev
,
4726 sbuf1
.st_ino
, newname
);
4727 DEBUG(3,("rename_internals: identical names "
4728 "in wildcard rename %s - success\n",
4731 status
= NT_STATUS_OK
;
4735 if (!replace_if_exists
&& vfs_file_exist(conn
,destname
, NULL
)) {
4736 DEBUG(6,("file_exist %s\n", destname
));
4737 status
= NT_STATUS_OBJECT_NAME_COLLISION
;
4741 if (rename_path_prefix_equal(fname
, destname
)) {
4742 return NT_STATUS_SHARING_VIOLATION
;
4745 lck
= get_share_mode_lock(NULL
, sbuf1
.st_dev
,
4746 sbuf1
.st_ino
, NULL
, NULL
);
4748 if (!SMB_VFS_RENAME(conn
,fname
,destname
)) {
4749 rename_open_files(conn
, lck
, sbuf1
.st_dev
,
4750 sbuf1
.st_ino
, newname
);
4752 status
= NT_STATUS_OK
;
4755 DEBUG(3,("rename_internals: doing rename on %s -> "
4756 "%s\n",fname
,destname
));
4760 if (count
== 0 && NT_STATUS_IS_OK(status
)) {
4761 status
= map_nt_error_from_unix(errno
);
4767 /****************************************************************************
4769 ****************************************************************************/
4771 int reply_mv(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
,
4778 uint32 attrs
= SVAL(inbuf
,smb_vwv0
);
4780 BOOL src_has_wcard
= False
;
4781 BOOL dest_has_wcard
= False
;
4783 START_PROFILE(SMBmv
);
4785 p
= smb_buf(inbuf
) + 1;
4786 p
+= srvstr_get_path_wcard(inbuf
, name
, p
, sizeof(name
), 0, STR_TERMINATE
, &status
, &src_has_wcard
);
4787 if (!NT_STATUS_IS_OK(status
)) {
4789 return ERROR_NT(status
);
4792 p
+= srvstr_get_path_wcard(inbuf
, newname
, p
, sizeof(newname
), 0, STR_TERMINATE
, &status
, &dest_has_wcard
);
4793 if (!NT_STATUS_IS_OK(status
)) {
4795 return ERROR_NT(status
);
4798 status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, name
, &src_has_wcard
);
4799 if (!NT_STATUS_IS_OK(status
)) {
4801 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
4802 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
4804 return ERROR_NT(status
);
4807 status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, newname
, &dest_has_wcard
);
4808 if (!NT_STATUS_IS_OK(status
)) {
4810 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
4811 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
4813 return ERROR_NT(status
);
4816 DEBUG(3,("reply_mv : %s -> %s\n",name
,newname
));
4818 status
= rename_internals(conn
, name
, newname
, attrs
, False
, src_has_wcard
, dest_has_wcard
);
4819 if (!NT_STATUS_IS_OK(status
)) {
4821 if (open_was_deferred(SVAL(inbuf
,smb_mid
))) {
4822 /* We have re-scheduled this call. */
4825 return ERROR_NT(status
);
4828 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
4834 /*******************************************************************
4835 Copy a file as part of a reply_copy.
4836 ******************************************************************/
4839 * TODO: check error codes on all callers
4842 NTSTATUS
copy_file(connection_struct
*conn
,
4847 BOOL target_is_directory
)
4849 SMB_STRUCT_STAT src_sbuf
, sbuf2
;
4851 files_struct
*fsp1
,*fsp2
;
4854 uint32 new_create_disposition
;
4857 pstrcpy(dest
,dest1
);
4858 if (target_is_directory
) {
4859 char *p
= strrchr_m(src
,'/');
4869 if (!vfs_file_exist(conn
,src
,&src_sbuf
)) {
4870 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
4873 if (!target_is_directory
&& count
) {
4874 new_create_disposition
= FILE_OPEN
;
4876 if (!map_open_params_to_ntcreate(dest1
,0,ofun
,
4877 NULL
, NULL
, &new_create_disposition
, NULL
)) {
4878 return NT_STATUS_INVALID_PARAMETER
;
4882 status
= open_file_ntcreate(conn
,src
,&src_sbuf
,
4884 FILE_SHARE_READ
|FILE_SHARE_WRITE
,
4887 FILE_ATTRIBUTE_NORMAL
,
4891 if (!NT_STATUS_IS_OK(status
)) {
4895 dosattrs
= dos_mode(conn
, src
, &src_sbuf
);
4896 if (SMB_VFS_STAT(conn
,dest
,&sbuf2
) == -1) {
4897 ZERO_STRUCTP(&sbuf2
);
4900 status
= open_file_ntcreate(conn
,dest
,&sbuf2
,
4902 FILE_SHARE_READ
|FILE_SHARE_WRITE
,
4903 new_create_disposition
,
4909 if (!NT_STATUS_IS_OK(status
)) {
4910 close_file(fsp1
,ERROR_CLOSE
);
4914 if ((ofun
&3) == 1) {
4915 if(SMB_VFS_LSEEK(fsp2
,fsp2
->fh
->fd
,0,SEEK_END
) == -1) {
4916 DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno
) ));
4918 * Stop the copy from occurring.
4921 src_sbuf
.st_size
= 0;
4925 if (src_sbuf
.st_size
) {
4926 ret
= vfs_transfer_file(fsp1
, fsp2
, src_sbuf
.st_size
);
4929 close_file(fsp1
,NORMAL_CLOSE
);
4931 /* Ensure the modtime is set correctly on the destination file. */
4932 fsp_set_pending_modtime( fsp2
, get_mtimespec(&src_sbuf
));
4935 * As we are opening fsp1 read-only we only expect
4936 * an error on close on fsp2 if we are out of space.
4937 * Thus we don't look at the error return from the
4940 status
= close_file(fsp2
,NORMAL_CLOSE
);
4942 if (!NT_STATUS_IS_OK(status
)) {
4946 if (ret
!= (SMB_OFF_T
)src_sbuf
.st_size
) {
4947 return NT_STATUS_DISK_FULL
;
4950 return NT_STATUS_OK
;
4953 /****************************************************************************
4954 Reply to a file copy.
4955 ****************************************************************************/
4957 int reply_copy(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
4962 pstring mask
,newname
;
4965 int error
= ERRnoaccess
;
4967 int tid2
= SVAL(inbuf
,smb_vwv0
);
4968 int ofun
= SVAL(inbuf
,smb_vwv1
);
4969 int flags
= SVAL(inbuf
,smb_vwv2
);
4970 BOOL target_is_directory
=False
;
4971 BOOL source_has_wild
= False
;
4972 BOOL dest_has_wild
= False
;
4973 SMB_STRUCT_STAT sbuf1
, sbuf2
;
4975 START_PROFILE(SMBcopy
);
4977 *directory
= *mask
= 0;
4980 p
+= srvstr_get_path_wcard(inbuf
, name
, p
, sizeof(name
), 0, STR_TERMINATE
, &status
, &source_has_wild
);
4981 if (!NT_STATUS_IS_OK(status
)) {
4982 END_PROFILE(SMBcopy
);
4983 return ERROR_NT(status
);
4985 p
+= srvstr_get_path_wcard(inbuf
, newname
, p
, sizeof(newname
), 0, STR_TERMINATE
, &status
, &dest_has_wild
);
4986 if (!NT_STATUS_IS_OK(status
)) {
4987 END_PROFILE(SMBcopy
);
4988 return ERROR_NT(status
);
4991 DEBUG(3,("reply_copy : %s -> %s\n",name
,newname
));
4993 if (tid2
!= conn
->cnum
) {
4994 /* can't currently handle inter share copies XXXX */
4995 DEBUG(3,("Rejecting inter-share copy\n"));
4996 END_PROFILE(SMBcopy
);
4997 return ERROR_DOS(ERRSRV
,ERRinvdevice
);
5000 status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, name
, &source_has_wild
);
5001 if (!NT_STATUS_IS_OK(status
)) {
5002 END_PROFILE(SMBcopy
);
5003 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
5004 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
5006 return ERROR_NT(status
);
5009 status
= resolve_dfspath_wcard(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, newname
, &dest_has_wild
);
5010 if (!NT_STATUS_IS_OK(status
)) {
5011 END_PROFILE(SMBcopy
);
5012 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
5013 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
5015 return ERROR_NT(status
);
5018 status
= unix_convert(conn
, name
, source_has_wild
, NULL
, &sbuf1
);
5019 if (!NT_STATUS_IS_OK(status
)) {
5020 END_PROFILE(SMBcopy
);
5021 return ERROR_NT(status
);
5024 status
= unix_convert(conn
, newname
, dest_has_wild
, NULL
, &sbuf2
);
5025 if (!NT_STATUS_IS_OK(status
)) {
5026 END_PROFILE(SMBcopy
);
5027 return ERROR_NT(status
);
5030 target_is_directory
= VALID_STAT_OF_DIR(sbuf2
);
5032 if ((flags
&1) && target_is_directory
) {
5033 END_PROFILE(SMBcopy
);
5034 return ERROR_DOS(ERRDOS
,ERRbadfile
);
5037 if ((flags
&2) && !target_is_directory
) {
5038 END_PROFILE(SMBcopy
);
5039 return ERROR_DOS(ERRDOS
,ERRbadpath
);
5042 if ((flags
&(1<<5)) && VALID_STAT_OF_DIR(sbuf1
)) {
5043 /* wants a tree copy! XXXX */
5044 DEBUG(3,("Rejecting tree copy\n"));
5045 END_PROFILE(SMBcopy
);
5046 return ERROR_DOS(ERRSRV
,ERRerror
);
5049 p
= strrchr_m(name
,'/');
5051 pstrcpy(directory
,"./");
5055 pstrcpy(directory
,name
);
5060 * We should only check the mangled cache
5061 * here if unix_convert failed. This means
5062 * that the path in 'mask' doesn't exist
5063 * on the file system and so we need to look
5064 * for a possible mangle. This patch from
5065 * Tine Smukavec <valentin.smukavec@hermes.si>.
5068 if (!VALID_STAT(sbuf1
) && mangle_is_mangled(mask
, conn
->params
)) {
5069 mangle_check_cache( mask
, sizeof(pstring
)-1, conn
->params
);
5072 if (!source_has_wild
) {
5073 pstrcat(directory
,"/");
5074 pstrcat(directory
,mask
);
5075 if (dest_has_wild
) {
5076 if (!resolve_wildcards(directory
,newname
)) {
5077 END_PROFILE(SMBcopy
);
5078 return ERROR_NT(NT_STATUS_NO_MEMORY
);
5082 status
= check_name(conn
, directory
);
5083 if (!NT_STATUS_IS_OK(status
)) {
5084 return ERROR_NT(status
);
5087 status
= check_name(conn
, newname
);
5088 if (!NT_STATUS_IS_OK(status
)) {
5089 return ERROR_NT(status
);
5092 status
= copy_file(conn
,directory
,newname
,ofun
,
5093 count
,target_is_directory
);
5095 if(!NT_STATUS_IS_OK(status
)) {
5096 END_PROFILE(SMBcopy
);
5097 return ERROR_NT(status
);
5102 struct smb_Dir
*dir_hnd
= NULL
;
5107 if (strequal(mask
,"????????.???"))
5110 status
= check_name(conn
, directory
);
5111 if (!NT_STATUS_IS_OK(status
)) {
5112 return ERROR_NT(status
);
5115 dir_hnd
= OpenDir(conn
, directory
, mask
, 0);
5116 if (dir_hnd
== NULL
) {
5117 status
= map_nt_error_from_unix(errno
);
5118 return ERROR_NT(status
);
5123 while ((dname
= ReadDirName(dir_hnd
, &offset
))) {
5125 pstrcpy(fname
,dname
);
5127 if (!is_visible_file(conn
, directory
, dname
, &sbuf1
, False
)) {
5131 if(!mask_match(fname
, mask
, conn
->case_sensitive
)) {
5135 error
= ERRnoaccess
;
5136 slprintf(fname
,sizeof(fname
)-1, "%s/%s",directory
,dname
);
5137 pstrcpy(destname
,newname
);
5138 if (!resolve_wildcards(fname
,destname
)) {
5142 status
= check_name(conn
, fname
);
5143 if (!NT_STATUS_IS_OK(status
)) {
5144 return ERROR_NT(status
);
5147 status
= check_name(conn
, destname
);
5148 if (!NT_STATUS_IS_OK(status
)) {
5149 return ERROR_NT(status
);
5152 DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname
, destname
));
5154 status
= copy_file(conn
,fname
,destname
,ofun
,
5155 count
,target_is_directory
);
5156 if (NT_STATUS_IS_OK(status
)) {
5165 /* Error on close... */
5167 END_PROFILE(SMBcopy
);
5168 return(UNIXERROR(ERRHRD
,ERRgeneral
));
5171 END_PROFILE(SMBcopy
);
5172 return ERROR_DOS(ERRDOS
,error
);
5175 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
5176 SSVAL(outbuf
,smb_vwv0
,count
);
5178 END_PROFILE(SMBcopy
);
5182 /****************************************************************************
5184 ****************************************************************************/
5186 int reply_setdir(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
5193 START_PROFILE(pathworks_setdir
);
5196 if (!CAN_SETDIR(snum
)) {
5197 END_PROFILE(pathworks_setdir
);
5198 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
5201 srvstr_get_path(inbuf
, newdir
, smb_buf(inbuf
) + 1, sizeof(newdir
), 0, STR_TERMINATE
, &status
);
5202 if (!NT_STATUS_IS_OK(status
)) {
5203 END_PROFILE(pathworks_setdir
);
5204 return ERROR_NT(status
);
5207 status
= resolve_dfspath(conn
, SVAL(inbuf
,smb_flg2
) & FLAGS2_DFS_PATHNAMES
, newdir
);
5208 if (!NT_STATUS_IS_OK(status
)) {
5209 END_PROFILE(pathworks_setdir
);
5210 if (NT_STATUS_EQUAL(status
,NT_STATUS_PATH_NOT_COVERED
)) {
5211 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED
, ERRSRV
, ERRbadpath
);
5213 return ERROR_NT(status
);
5216 if (strlen(newdir
) != 0) {
5217 if (!vfs_directory_exist(conn
,newdir
,NULL
)) {
5218 END_PROFILE(pathworks_setdir
);
5219 return ERROR_DOS(ERRDOS
,ERRbadpath
);
5221 set_conn_connectpath(conn
,newdir
);
5224 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
5225 SCVAL(outbuf
,smb_reh
,CVAL(inbuf
,smb_reh
));
5227 DEBUG(3,("setdir %s\n", newdir
));
5229 END_PROFILE(pathworks_setdir
);
5234 #define DBGC_CLASS DBGC_LOCKING
5236 /****************************************************************************
5237 Get a lock pid, dealing with large count requests.
5238 ****************************************************************************/
5240 uint32
get_lock_pid( char *data
, int data_offset
, BOOL large_file_format
)
5242 if(!large_file_format
)
5243 return (uint32
)SVAL(data
,SMB_LPID_OFFSET(data_offset
));
5245 return (uint32
)SVAL(data
,SMB_LARGE_LPID_OFFSET(data_offset
));
5248 /****************************************************************************
5249 Get a lock count, dealing with large count requests.
5250 ****************************************************************************/
5252 SMB_BIG_UINT
get_lock_count( char *data
, int data_offset
, BOOL large_file_format
)
5254 SMB_BIG_UINT count
= 0;
5256 if(!large_file_format
) {
5257 count
= (SMB_BIG_UINT
)IVAL(data
,SMB_LKLEN_OFFSET(data_offset
));
5260 #if defined(HAVE_LONGLONG)
5261 count
= (((SMB_BIG_UINT
) IVAL(data
,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset
))) << 32) |
5262 ((SMB_BIG_UINT
) IVAL(data
,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset
)));
5263 #else /* HAVE_LONGLONG */
5266 * NT4.x seems to be broken in that it sends large file (64 bit)
5267 * lockingX calls even if the CAP_LARGE_FILES was *not*
5268 * negotiated. For boxes without large unsigned ints truncate the
5269 * lock count by dropping the top 32 bits.
5272 if(IVAL(data
,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset
)) != 0) {
5273 DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
5274 (unsigned int)IVAL(data
,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset
)),
5275 (unsigned int)IVAL(data
,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset
)) ));
5276 SIVAL(data
,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset
),0);
5279 count
= (SMB_BIG_UINT
)IVAL(data
,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset
));
5280 #endif /* HAVE_LONGLONG */
5286 #if !defined(HAVE_LONGLONG)
5287 /****************************************************************************
5288 Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
5289 ****************************************************************************/
5291 static uint32
map_lock_offset(uint32 high
, uint32 low
)
5295 uint32 highcopy
= high
;
5298 * Try and find out how many significant bits there are in high.
5301 for(i
= 0; highcopy
; i
++)
5305 * We use 31 bits not 32 here as POSIX
5306 * lock offsets may not be negative.
5309 mask
= (~0) << (31 - i
);
5312 return 0; /* Fail. */
5318 #endif /* !defined(HAVE_LONGLONG) */
5320 /****************************************************************************
5321 Get a lock offset, dealing with large offset requests.
5322 ****************************************************************************/
5324 SMB_BIG_UINT
get_lock_offset( char *data
, int data_offset
, BOOL large_file_format
, BOOL
*err
)
5326 SMB_BIG_UINT offset
= 0;
5330 if(!large_file_format
) {
5331 offset
= (SMB_BIG_UINT
)IVAL(data
,SMB_LKOFF_OFFSET(data_offset
));
5334 #if defined(HAVE_LONGLONG)
5335 offset
= (((SMB_BIG_UINT
) IVAL(data
,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset
))) << 32) |
5336 ((SMB_BIG_UINT
) IVAL(data
,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset
)));
5337 #else /* HAVE_LONGLONG */
5340 * NT4.x seems to be broken in that it sends large file (64 bit)
5341 * lockingX calls even if the CAP_LARGE_FILES was *not*
5342 * negotiated. For boxes without large unsigned ints mangle the
5343 * lock offset by mapping the top 32 bits onto the lower 32.
5346 if(IVAL(data
,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset
)) != 0) {
5347 uint32 low
= IVAL(data
,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset
));
5348 uint32 high
= IVAL(data
,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset
));
5351 if((new_low
= map_lock_offset(high
, low
)) == 0) {
5353 return (SMB_BIG_UINT
)-1;
5356 DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
5357 (unsigned int)high
, (unsigned int)low
, (unsigned int)new_low
));
5358 SIVAL(data
,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset
),0);
5359 SIVAL(data
,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset
),new_low
);
5362 offset
= (SMB_BIG_UINT
)IVAL(data
,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset
));
5363 #endif /* HAVE_LONGLONG */
5369 /****************************************************************************
5370 Reply to a lockingX request.
5371 ****************************************************************************/
5373 int reply_lockingX(connection_struct
*conn
, char *inbuf
, char *outbuf
,
5374 int length
, int bufsize
)
5376 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv2
);
5377 unsigned char locktype
= CVAL(inbuf
,smb_vwv3
);
5378 unsigned char oplocklevel
= CVAL(inbuf
,smb_vwv3
+1);
5379 uint16 num_ulocks
= SVAL(inbuf
,smb_vwv6
);
5380 uint16 num_locks
= SVAL(inbuf
,smb_vwv7
);
5381 SMB_BIG_UINT count
= 0, offset
= 0;
5383 int32 lock_timeout
= IVAL(inbuf
,smb_vwv4
);
5386 BOOL large_file_format
=
5387 (locktype
& LOCKING_ANDX_LARGE_FILES
)?True
:False
;
5389 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
5391 START_PROFILE(SMBlockingX
);
5393 CHECK_FSP(fsp
,conn
);
5395 data
= smb_buf(inbuf
);
5397 if (locktype
& LOCKING_ANDX_CHANGE_LOCKTYPE
) {
5398 /* we don't support these - and CANCEL_LOCK makes w2k
5399 and XP reboot so I don't really want to be
5400 compatible! (tridge) */
5401 return ERROR_NT(NT_STATUS_DOS(ERRDOS
, ERRnoatomiclocks
));
5404 /* Check if this is an oplock break on a file
5405 we have granted an oplock on.
5407 if ((locktype
& LOCKING_ANDX_OPLOCK_RELEASE
)) {
5408 /* Client can insist on breaking to none. */
5409 BOOL break_to_none
= (oplocklevel
== 0);
5412 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client "
5413 "for fnum = %d\n", (unsigned int)oplocklevel
,
5417 * Make sure we have granted an exclusive or batch oplock on
5421 if (fsp
->oplock_type
== 0) {
5423 /* The Samba4 nbench simulator doesn't understand
5424 the difference between break to level2 and break
5425 to none from level2 - it sends oplock break
5426 replies in both cases. Don't keep logging an error
5427 message here - just ignore it. JRA. */
5429 DEBUG(5,("reply_lockingX: Error : oplock break from "
5430 "client for fnum = %d (oplock=%d) and no "
5431 "oplock granted on this file (%s).\n",
5432 fsp
->fnum
, fsp
->oplock_type
, fsp
->fsp_name
));
5434 /* if this is a pure oplock break request then don't
5436 if (num_locks
== 0 && num_ulocks
== 0) {
5437 END_PROFILE(SMBlockingX
);
5440 END_PROFILE(SMBlockingX
);
5441 return ERROR_DOS(ERRDOS
,ERRlock
);
5445 if ((fsp
->sent_oplock_break
== BREAK_TO_NONE_SENT
) ||
5447 result
= remove_oplock(fsp
);
5449 result
= downgrade_oplock(fsp
);
5453 DEBUG(0, ("reply_lockingX: error in removing "
5454 "oplock on file %s\n", fsp
->fsp_name
));
5455 /* Hmmm. Is this panic justified? */
5456 smb_panic("internal tdb error");
5459 reply_to_oplock_break_requests(fsp
);
5461 /* if this is a pure oplock break request then don't send a
5463 if (num_locks
== 0 && num_ulocks
== 0) {
5464 /* Sanity check - ensure a pure oplock break is not a
5466 if(CVAL(inbuf
,smb_vwv0
) != 0xff)
5467 DEBUG(0,("reply_lockingX: Error : pure oplock "
5468 "break is a chained %d request !\n",
5469 (unsigned int)CVAL(inbuf
,smb_vwv0
) ));
5470 END_PROFILE(SMBlockingX
);
5476 * We do this check *after* we have checked this is not a oplock break
5477 * response message. JRA.
5480 release_level_2_oplocks_on_change(fsp
);
5482 /* Data now points at the beginning of the list
5483 of smb_unlkrng structs */
5484 for(i
= 0; i
< (int)num_ulocks
; i
++) {
5485 lock_pid
= get_lock_pid( data
, i
, large_file_format
);
5486 count
= get_lock_count( data
, i
, large_file_format
);
5487 offset
= get_lock_offset( data
, i
, large_file_format
, &err
);
5490 * There is no error code marked "stupid client bug".... :-).
5493 END_PROFILE(SMBlockingX
);
5494 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
5497 DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for "
5498 "pid %u, file %s\n", (double)offset
, (double)count
,
5499 (unsigned int)lock_pid
, fsp
->fsp_name
));
5501 status
= do_unlock(smbd_messaging_context(),
5508 if (NT_STATUS_V(status
)) {
5509 END_PROFILE(SMBlockingX
);
5510 return ERROR_NT(status
);
5514 /* Setup the timeout in seconds. */
5516 if (!lp_blocking_locks(SNUM(conn
))) {
5520 /* Now do any requested locks */
5521 data
+= ((large_file_format
? 20 : 10)*num_ulocks
);
5523 /* Data now points at the beginning of the list
5524 of smb_lkrng structs */
5526 for(i
= 0; i
< (int)num_locks
; i
++) {
5527 enum brl_type lock_type
= ((locktype
& LOCKING_ANDX_SHARED_LOCK
) ?
5528 READ_LOCK
:WRITE_LOCK
);
5529 lock_pid
= get_lock_pid( data
, i
, large_file_format
);
5530 count
= get_lock_count( data
, i
, large_file_format
);
5531 offset
= get_lock_offset( data
, i
, large_file_format
, &err
);
5534 * There is no error code marked "stupid client bug".... :-).
5537 END_PROFILE(SMBlockingX
);
5538 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
5541 DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid "
5542 "%u, file %s timeout = %d\n", (double)offset
,
5543 (double)count
, (unsigned int)lock_pid
,
5544 fsp
->fsp_name
, (int)lock_timeout
));
5546 if (locktype
& LOCKING_ANDX_CANCEL_LOCK
) {
5547 if (lp_blocking_locks(SNUM(conn
))) {
5549 /* Schedule a message to ourselves to
5550 remove the blocking lock record and
5551 return the right error. */
5553 if (!blocking_lock_cancel(fsp
,
5559 NT_STATUS_FILE_LOCK_CONFLICT
)) {
5560 END_PROFILE(SMBlockingX
);
5561 return ERROR_NT(NT_STATUS_DOS(ERRDOS
, ERRcancelviolation
));
5564 /* Remove a matching pending lock. */
5565 status
= do_lock_cancel(fsp
,
5571 BOOL blocking_lock
= lock_timeout
? True
: False
;
5572 BOOL defer_lock
= False
;
5573 struct byte_range_lock
*br_lck
;
5575 br_lck
= do_lock(smbd_messaging_context(),
5585 if (br_lck
&& blocking_lock
&& ERROR_WAS_LOCK_DENIED(status
)) {
5586 /* Windows internal resolution for blocking locks seems
5587 to be about 200ms... Don't wait for less than that. JRA. */
5588 if (lock_timeout
!= -1 && lock_timeout
< lp_lock_spin_time()) {
5589 lock_timeout
= lp_lock_spin_time();
5594 /* This heuristic seems to match W2K3 very well. If a
5595 lock sent with timeout of zero would fail with NT_STATUS_FILE_LOCK_CONFLICT
5596 it pretends we asked for a timeout of between 150 - 300 milliseconds as
5597 far as I can tell. Replacement for do_lock_spin(). JRA. */
5599 if (br_lck
&& lp_blocking_locks(SNUM(conn
)) && !blocking_lock
&&
5600 NT_STATUS_EQUAL((status
), NT_STATUS_FILE_LOCK_CONFLICT
)) {
5602 lock_timeout
= lp_lock_spin_time();
5605 if (br_lck
&& defer_lock
) {
5607 * A blocking lock was requested. Package up
5608 * this smb into a queued request and push it
5609 * onto the blocking lock queue.
5611 if(push_blocking_lock_request(br_lck
,
5621 TALLOC_FREE(br_lck
);
5622 END_PROFILE(SMBlockingX
);
5627 TALLOC_FREE(br_lck
);
5630 if (NT_STATUS_V(status
)) {
5631 END_PROFILE(SMBlockingX
);
5632 return ERROR_NT(status
);
5636 /* If any of the above locks failed, then we must unlock
5637 all of the previous locks (X/Open spec). */
5639 if (!(locktype
& LOCKING_ANDX_CANCEL_LOCK
) &&
5643 * Ensure we don't do a remove on the lock that just failed,
5644 * as under POSIX rules, if we have a lock already there, we
5645 * will delete it (and we shouldn't) .....
5647 for(i
--; i
>= 0; i
--) {
5648 lock_pid
= get_lock_pid( data
, i
, large_file_format
);
5649 count
= get_lock_count( data
, i
, large_file_format
);
5650 offset
= get_lock_offset( data
, i
, large_file_format
,
5654 * There is no error code marked "stupid client
5658 END_PROFILE(SMBlockingX
);
5659 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
5662 do_unlock(smbd_messaging_context(),
5669 END_PROFILE(SMBlockingX
);
5670 return ERROR_NT(status
);
5673 set_message(inbuf
,outbuf
,2,0,True
);
5675 DEBUG(3, ("lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
5676 fsp
->fnum
, (unsigned int)locktype
, num_locks
, num_ulocks
));
5678 END_PROFILE(SMBlockingX
);
5679 return chain_reply(inbuf
,outbuf
,length
,bufsize
);
5683 #define DBGC_CLASS DBGC_ALL
5685 /****************************************************************************
5686 Reply to a SMBreadbmpx (read block multiplex) request.
5687 ****************************************************************************/
5689 int reply_readbmpx(connection_struct
*conn
, char *inbuf
,char *outbuf
,int length
,int bufsize
)
5700 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
5701 START_PROFILE(SMBreadBmpx
);
5703 /* this function doesn't seem to work - disable by default */
5704 if (!lp_readbmpx()) {
5705 END_PROFILE(SMBreadBmpx
);
5706 return ERROR_DOS(ERRSRV
,ERRuseSTD
);
5709 outsize
= set_message(inbuf
,outbuf
,8,0,True
);
5711 CHECK_FSP(fsp
,conn
);
5712 if (!CHECK_READ(fsp
,inbuf
)) {
5713 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
5716 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv1
);
5717 maxcount
= SVAL(inbuf
,smb_vwv3
);
5719 data
= smb_buf(outbuf
);
5720 pad
= ((long)data
)%4;
5725 max_per_packet
= bufsize
-(outsize
+pad
);
5729 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)maxcount
,(SMB_BIG_UINT
)startpos
, READ_LOCK
)) {
5730 END_PROFILE(SMBreadBmpx
);
5731 return ERROR_DOS(ERRDOS
,ERRlock
);
5735 size_t N
= MIN(max_per_packet
,tcount
-total_read
);
5737 nread
= read_file(fsp
,data
,startpos
,N
);
5742 if (nread
< (ssize_t
)N
)
5743 tcount
= total_read
+ nread
;
5745 set_message(inbuf
,outbuf
,8,nread
+pad
,False
);
5746 SIVAL(outbuf
,smb_vwv0
,startpos
);
5747 SSVAL(outbuf
,smb_vwv2
,tcount
);
5748 SSVAL(outbuf
,smb_vwv6
,nread
);
5749 SSVAL(outbuf
,smb_vwv7
,smb_offset(data
,outbuf
));
5752 if (!send_smb(smbd_server_fd(),outbuf
))
5753 exit_server_cleanly("reply_readbmpx: send_smb failed.");
5755 total_read
+= nread
;
5757 } while (total_read
< (ssize_t
)tcount
);
5759 END_PROFILE(SMBreadBmpx
);
5763 /****************************************************************************
5764 Reply to a SMBsetattrE.
5765 ****************************************************************************/
5767 int reply_setattrE(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
5769 struct timespec ts
[2];
5771 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
5772 START_PROFILE(SMBsetattrE
);
5774 outsize
= set_message(inbuf
,outbuf
,0,0,False
);
5776 if(!fsp
|| (fsp
->conn
!= conn
)) {
5777 END_PROFILE(SMBsetattrE
);
5778 return ERROR_DOS(ERRDOS
,ERRbadfid
);
5782 * Convert the DOS times into unix times. Ignore create
5783 * time as UNIX can't set this.
5786 ts
[0] = convert_time_t_to_timespec(srv_make_unix_date2(inbuf
+smb_vwv3
)); /* atime. */
5787 ts
[1] = convert_time_t_to_timespec(srv_make_unix_date2(inbuf
+smb_vwv5
)); /* mtime. */
5790 * Patch from Ray Frush <frush@engr.colostate.edu>
5791 * Sometimes times are sent as zero - ignore them.
5794 if (null_timespec(ts
[0]) && null_timespec(ts
[1])) {
5795 /* Ignore request */
5796 if( DEBUGLVL( 3 ) ) {
5797 dbgtext( "reply_setattrE fnum=%d ", fsp
->fnum
);
5798 dbgtext( "ignoring zero request - not setting timestamps of 0\n" );
5800 END_PROFILE(SMBsetattrE
);
5802 } else if (!null_timespec(ts
[0]) && null_timespec(ts
[1])) {
5803 /* set modify time = to access time if modify time was unset */
5807 /* Set the date on this file */
5808 /* Should we set pending modtime here ? JRA */
5809 if(file_ntimes(conn
, fsp
->fsp_name
, ts
)) {
5810 END_PROFILE(SMBsetattrE
);
5811 return ERROR_DOS(ERRDOS
,ERRnoaccess
);
5814 DEBUG( 3, ( "reply_setattrE fnum=%d actime=%u modtime=%u\n",
5816 (unsigned int)ts
[0].tv_sec
,
5817 (unsigned int)ts
[1].tv_sec
));
5819 END_PROFILE(SMBsetattrE
);
5824 /* Back from the dead for OS/2..... JRA. */
5826 /****************************************************************************
5827 Reply to a SMBwritebmpx (write block multiplex primary) request.
5828 ****************************************************************************/
5830 int reply_writebmpx(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
5833 ssize_t nwritten
= -1;
5840 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
5841 START_PROFILE(SMBwriteBmpx
);
5843 CHECK_FSP(fsp
,conn
);
5844 if (!CHECK_WRITE(fsp
)) {
5845 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
5847 if (HAS_CACHED_ERROR(fsp
)) {
5848 return(CACHED_ERROR(fsp
));
5851 tcount
= SVAL(inbuf
,smb_vwv1
);
5852 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv3
);
5853 write_through
= BITSETW(inbuf
+smb_vwv7
,0);
5854 numtowrite
= SVAL(inbuf
,smb_vwv10
);
5855 smb_doff
= SVAL(inbuf
,smb_vwv11
);
5857 data
= smb_base(inbuf
) + smb_doff
;
5859 /* If this fails we need to send an SMBwriteC response,
5860 not an SMBwritebmpx - set this up now so we don't forget */
5861 SCVAL(outbuf
,smb_com
,SMBwritec
);
5863 if (is_locked(fsp
,(uint32
)SVAL(inbuf
,smb_pid
),(SMB_BIG_UINT
)tcount
,(SMB_BIG_UINT
)startpos
,WRITE_LOCK
)) {
5864 END_PROFILE(SMBwriteBmpx
);
5865 return(ERROR_DOS(ERRDOS
,ERRlock
));
5868 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
5870 sync_file(conn
, fsp
, write_through
);
5872 if(nwritten
< (ssize_t
)numtowrite
) {
5873 END_PROFILE(SMBwriteBmpx
);
5874 return(UNIXERROR(ERRHRD
,ERRdiskfull
));
5877 /* If the maximum to be written to this file
5878 is greater than what we just wrote then set
5879 up a secondary struct to be attached to this
5880 fd, we will use this to cache error messages etc. */
5882 if((ssize_t
)tcount
> nwritten
) {
5883 write_bmpx_struct
*wbms
;
5884 if(fsp
->wbmpx_ptr
!= NULL
)
5885 wbms
= fsp
->wbmpx_ptr
; /* Use an existing struct */
5887 wbms
= SMB_MALLOC_P(write_bmpx_struct
);
5889 DEBUG(0,("Out of memory in reply_readmpx\n"));
5890 END_PROFILE(SMBwriteBmpx
);
5891 return(ERROR_DOS(ERRSRV
,ERRnoresource
));
5893 wbms
->wr_mode
= write_through
;
5894 wbms
->wr_discard
= False
; /* No errors yet */
5895 wbms
->wr_total_written
= nwritten
;
5896 wbms
->wr_errclass
= 0;
5898 fsp
->wbmpx_ptr
= wbms
;
5901 /* We are returning successfully, set the message type back to
5903 SCVAL(outbuf
,smb_com
,SMBwriteBmpx
);
5905 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
5907 SSVALS(outbuf
,smb_vwv0
,-1); /* We don't support smb_remaining */
5909 DEBUG( 3, ( "writebmpx fnum=%d num=%d wrote=%d\n",
5910 fsp
->fnum
, (int)numtowrite
, (int)nwritten
) );
5912 if (write_through
&& tcount
==nwritten
) {
5913 /* We need to send both a primary and a secondary response */
5914 smb_setlen(inbuf
,outbuf
,outsize
- 4);
5916 if (!send_smb(smbd_server_fd(),outbuf
))
5917 exit_server_cleanly("reply_writebmpx: send_smb failed.");
5919 /* Now the secondary */
5920 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
5921 SCVAL(outbuf
,smb_com
,SMBwritec
);
5922 SSVAL(outbuf
,smb_vwv0
,nwritten
);
5925 END_PROFILE(SMBwriteBmpx
);
5929 /****************************************************************************
5930 Reply to a SMBwritebs (write block multiplex secondary) request.
5931 ****************************************************************************/
5933 int reply_writebs(connection_struct
*conn
, char *inbuf
,char *outbuf
, int dum_size
, int dum_buffsize
)
5936 ssize_t nwritten
= -1;
5943 write_bmpx_struct
*wbms
;
5944 BOOL send_response
= False
;
5945 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
5946 START_PROFILE(SMBwriteBs
);
5948 CHECK_FSP(fsp
,conn
);
5949 if (!CHECK_WRITE(fsp
)) {
5950 return(ERROR_DOS(ERRDOS
,ERRbadaccess
));
5953 tcount
= SVAL(inbuf
,smb_vwv1
);
5954 startpos
= IVAL_TO_SMB_OFF_T(inbuf
,smb_vwv2
);
5955 numtowrite
= SVAL(inbuf
,smb_vwv6
);
5956 smb_doff
= SVAL(inbuf
,smb_vwv7
);
5958 data
= smb_base(inbuf
) + smb_doff
;
5960 /* We need to send an SMBwriteC response, not an SMBwritebs */
5961 SCVAL(outbuf
,smb_com
,SMBwritec
);
5963 /* This fd should have an auxiliary struct attached,
5964 check that it does */
5965 wbms
= fsp
->wbmpx_ptr
;
5967 END_PROFILE(SMBwriteBs
);
5971 /* If write through is set we can return errors, else we must cache them */
5972 write_through
= wbms
->wr_mode
;
5974 /* Check for an earlier error */
5975 if(wbms
->wr_discard
) {
5976 END_PROFILE(SMBwriteBs
);
5977 return -1; /* Just discard the packet */
5980 nwritten
= write_file(fsp
,data
,startpos
,numtowrite
);
5982 sync_file(conn
, fsp
, write_through
);
5984 if (nwritten
< (ssize_t
)numtowrite
) {
5986 /* We are returning an error - we can delete the aux struct */
5989 fsp
->wbmpx_ptr
= NULL
;
5990 END_PROFILE(SMBwriteBs
);
5991 return(ERROR_DOS(ERRHRD
,ERRdiskfull
));
5993 wbms
->wr_errclass
= ERRHRD
;
5994 wbms
->wr_error
= ERRdiskfull
;
5995 wbms
->wr_status
= NT_STATUS_DISK_FULL
;
5996 wbms
->wr_discard
= True
;
5997 END_PROFILE(SMBwriteBs
);
6001 /* Increment the total written, if this matches tcount
6002 we can discard the auxiliary struct (hurrah !) and return a writeC */
6003 wbms
->wr_total_written
+= nwritten
;
6004 if(wbms
->wr_total_written
>= tcount
) {
6005 if (write_through
) {
6006 outsize
= set_message(inbuf
,outbuf
,1,0,True
);
6007 SSVAL(outbuf
,smb_vwv0
,wbms
->wr_total_written
);
6008 send_response
= True
;
6012 fsp
->wbmpx_ptr
= NULL
;
6016 END_PROFILE(SMBwriteBs
);
6020 END_PROFILE(SMBwriteBs
);
6024 /****************************************************************************
6025 Reply to a SMBgetattrE.
6026 ****************************************************************************/
6028 int reply_getattrE(connection_struct
*conn
, char *inbuf
,char *outbuf
, int size
, int dum_buffsize
)
6030 SMB_STRUCT_STAT sbuf
;
6033 files_struct
*fsp
= file_fsp(inbuf
,smb_vwv0
);
6034 START_PROFILE(SMBgetattrE
);
6036 outsize
= set_message(inbuf
,outbuf
,11,0,True
);
6038 if(!fsp
|| (fsp
->conn
!= conn
)) {
6039 END_PROFILE(SMBgetattrE
);
6040 return ERROR_DOS(ERRDOS
,ERRbadfid
);
6043 /* Do an fstat on this file */
6044 if(fsp_stat(fsp
, &sbuf
)) {
6045 END_PROFILE(SMBgetattrE
);
6046 return(UNIXERROR(ERRDOS
,ERRnoaccess
));
6049 mode
= dos_mode(conn
,fsp
->fsp_name
,&sbuf
);
6052 * Convert the times into dos times. Set create
6053 * date to be last modify date as UNIX doesn't save
6057 srv_put_dos_date2(outbuf
,smb_vwv0
,get_create_time(&sbuf
,lp_fake_dir_create_times(SNUM(conn
))));
6058 srv_put_dos_date2(outbuf
,smb_vwv2
,sbuf
.st_atime
);
6059 /* Should we check pending modtime here ? JRA */
6060 srv_put_dos_date2(outbuf
,smb_vwv4
,sbuf
.st_mtime
);
6063 SIVAL(outbuf
,smb_vwv6
,0);
6064 SIVAL(outbuf
,smb_vwv8
,0);
6066 uint32 allocation_size
= get_allocation_size(conn
,fsp
, &sbuf
);
6067 SIVAL(outbuf
,smb_vwv6
,(uint32
)sbuf
.st_size
);
6068 SIVAL(outbuf
,smb_vwv8
,allocation_size
);
6070 SSVAL(outbuf
,smb_vwv10
, mode
);
6072 DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp
->fnum
));
6074 END_PROFILE(SMBgetattrE
);