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r4348: syncing up for 3.0.11pre1
[Samba.git] / source / smbd / nttrans.c
blob2395d0d8db58e5ec52f26be0143c01f23df9389e
1 /*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-1998
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include "includes.h"
23
24 extern enum protocol_types Protocol;
25 extern int smb_read_error;
26 extern int global_oplock_break;
27 extern struct current_user current_user;
28
29 static const char *known_nt_pipes[] = {
30 "\\LANMAN",
31 "\\srvsvc",
32 "\\samr",
33 "\\wkssvc",
34 "\\NETLOGON",
35 "\\ntlsa",
36 "\\ntsvcs",
37 "\\lsass",
38 "\\lsarpc",
39 "\\winreg",
40 "\\spoolss",
41 "\\netdfs",
42 "\\rpcecho",
43 NULL
44 };
45
46 /* Map generic permissions to file object specific permissions */
47
48 struct generic_mapping file_generic_mapping = {
49 FILE_GENERIC_READ,
50 FILE_GENERIC_WRITE,
51 FILE_GENERIC_EXECUTE,
52 FILE_GENERIC_ALL
53 };
54
55 static char *nttrans_realloc(char **ptr, size_t size)
56 {
57 char *tptr = NULL;
58 if (ptr==NULL)
59 smb_panic("nttrans_realloc() called with NULL ptr\n");
60
61 tptr = SMB_REALLOC(*ptr, size);
62 if(tptr == NULL) {
63 *ptr = NULL;
64 return NULL;
65 }
66 memset(tptr,'\0',size);
67
68 *ptr = tptr;
69
70 return tptr;
71 }
72
73
74 /****************************************************************************
75 Send the required number of replies back.
76 We assume all fields other than the data fields are
77 set correctly for the type of call.
78 HACK ! Always assumes smb_setup field is zero.
79 ****************************************************************************/
80
81 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
82 int paramsize, char *pdata, int datasize)
83 {
84 extern int max_send;
85 int data_to_send = datasize;
86 int params_to_send = paramsize;
87 int useable_space;
88 char *pp = params;
89 char *pd = pdata;
90 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
91 int alignment_offset = 3;
92 int data_alignment_offset = 0;
93
94 /*
95 * Initially set the wcnt area to be 18 - this is true for all
96 * transNT replies.
97 */
98
99 set_message(outbuf,18,0,True);
100
101 if (NT_STATUS_V(nt_error))
102 ERROR_NT(nt_error);
103
104 /*
105 * If there genuinely are no parameters or data to send just send
106 * the empty packet.
107 */
108
109 if(params_to_send == 0 && data_to_send == 0) {
110 if (!send_smb(smbd_server_fd(),outbuf))
111 exit_server("send_nt_replies: send_smb failed.");
112 return 0;
113 }
114
115 /*
116 * When sending params and data ensure that both are nicely aligned.
117 * Only do this alignment when there is also data to send - else
118 * can cause NT redirector problems.
119 */
120
121 if (((params_to_send % 4) != 0) && (data_to_send != 0))
122 data_alignment_offset = 4 - (params_to_send % 4);
123
124 /*
125 * Space is bufsize minus Netbios over TCP header minus SMB header.
126 * The alignment_offset is to align the param bytes on a four byte
127 * boundary (2 bytes for data len, one byte pad).
128 * NT needs this to work correctly.
129 */
130
131 useable_space = bufsize - ((smb_buf(outbuf)+
132 alignment_offset+data_alignment_offset) -
133 outbuf);
134
135 /*
136 * useable_space can never be more than max_send minus the
137 * alignment offset.
138 */
139
140 useable_space = MIN(useable_space,
141 max_send - (alignment_offset+data_alignment_offset));
142
143
144 while (params_to_send || data_to_send) {
145
146 /*
147 * Calculate whether we will totally or partially fill this packet.
148 */
149
150 total_sent_thistime = params_to_send + data_to_send +
151 alignment_offset + data_alignment_offset;
152
153 /*
154 * We can never send more than useable_space.
155 */
156
157 total_sent_thistime = MIN(total_sent_thistime, useable_space);
158
159 set_message(outbuf, 18, total_sent_thistime, True);
160
161 /*
162 * Set total params and data to be sent.
163 */
164
165 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
166 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
167
168 /*
169 * Calculate how many parameters and data we can fit into
170 * this packet. Parameters get precedence.
171 */
172
173 params_sent_thistime = MIN(params_to_send,useable_space);
174 data_sent_thistime = useable_space - params_sent_thistime;
175 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
176
177 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
178
179 if(params_sent_thistime == 0) {
180 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
181 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
182 } else {
183 /*
184 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
185 * parameter bytes, however the first 4 bytes of outbuf are
186 * the Netbios over TCP header. Thus use smb_base() to subtract
187 * them from the calculation.
188 */
189
190 SIVAL(outbuf,smb_ntr_ParameterOffset,
191 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
192 /*
193 * Absolute displacement of param bytes sent in this packet.
194 */
195
196 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
197 }
198
199 /*
200 * Deal with the data portion.
201 */
202
203 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
204
205 if(data_sent_thistime == 0) {
206 SIVAL(outbuf,smb_ntr_DataOffset,0);
207 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
208 } else {
209 /*
210 * The offset of the data bytes is the offset of the
211 * parameter bytes plus the number of parameters being sent this time.
212 */
213
214 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
215 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
216 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
217 }
218
219 /*
220 * Copy the param bytes into the packet.
221 */
222
223 if(params_sent_thistime)
224 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
225
226 /*
227 * Copy in the data bytes
228 */
229
230 if(data_sent_thistime)
231 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
232 data_alignment_offset,pd,data_sent_thistime);
233
234 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
235 params_sent_thistime, data_sent_thistime, useable_space));
236 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
237 params_to_send, data_to_send, paramsize, datasize));
238
239 /* Send the packet */
240 if (!send_smb(smbd_server_fd(),outbuf))
241 exit_server("send_nt_replies: send_smb failed.");
242
243 pp += params_sent_thistime;
244 pd += data_sent_thistime;
245
246 params_to_send -= params_sent_thistime;
247 data_to_send -= data_sent_thistime;
248
249 /*
250 * Sanity check
251 */
252
253 if(params_to_send < 0 || data_to_send < 0) {
254 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
255 params_to_send, data_to_send));
256 return -1;
257 }
258 }
259
260 return 0;
261 }
262
263 /****************************************************************************
264 Save case statics.
265 ****************************************************************************/
266
267 static BOOL saved_case_sensitive;
268 static BOOL saved_case_preserve;
269 static BOOL saved_short_case_preserve;
270
271 /****************************************************************************
272 Save case semantics.
273 ****************************************************************************/
274
275 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
276 {
277 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
278 return;
279
280 saved_case_sensitive = conn->case_sensitive;
281 saved_case_preserve = conn->case_preserve;
282 saved_short_case_preserve = conn->short_case_preserve;
283
284 /* Set to POSIX. */
285 conn->case_sensitive = True;
286 conn->case_preserve = True;
287 conn->short_case_preserve = True;
288 }
289
290 /****************************************************************************
291 Restore case semantics.
292 ****************************************************************************/
293
294 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
295 {
296 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
297 return;
298
299 conn->case_sensitive = saved_case_sensitive;
300 conn->case_preserve = saved_case_preserve;
301 conn->short_case_preserve = saved_short_case_preserve;
302 }
303
304 /****************************************************************************
305 Utility function to map create disposition.
306 ****************************************************************************/
307
308 static int map_create_disposition( uint32 create_disposition)
309 {
310 int ret;
311
312 switch( create_disposition ) {
313 case FILE_CREATE:
314 /* create if not exist, fail if exist */
315 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
316 break;
317 case FILE_SUPERSEDE:
318 case FILE_OVERWRITE_IF:
319 /* create if not exist, trunc if exist */
320 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
321 break;
322 case FILE_OPEN:
323 /* fail if not exist, open if exists */
324 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
325 break;
326 case FILE_OPEN_IF:
327 /* create if not exist, open if exists */
328 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
329 break;
330 case FILE_OVERWRITE:
331 /* fail if not exist, truncate if exists */
332 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
333 break;
334 default:
335 DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
336 create_disposition ));
337 return -1;
338 }
339
340 DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
341 (unsigned long)create_disposition, ret ));
342
343 return ret;
344 }
345
346 /****************************************************************************
347 Utility function to map share modes.
348 ****************************************************************************/
349
350 static int map_share_mode( char *fname, uint32 create_options,
351 uint32 *desired_access, uint32 share_access, uint32 file_attributes)
352 {
353 int smb_open_mode = -1;
354 uint32 original_desired_access = *desired_access;
355
356 /*
357 * Convert GENERIC bits to specific bits.
358 */
359
360 se_map_generic(desired_access, &file_generic_mapping);
361
362 switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
363 case FILE_READ_DATA:
364 smb_open_mode = DOS_OPEN_RDONLY;
365 break;
366 case FILE_WRITE_DATA:
367 case FILE_APPEND_DATA:
368 case FILE_WRITE_DATA|FILE_APPEND_DATA:
369 smb_open_mode = DOS_OPEN_WRONLY;
370 break;
371 case FILE_READ_DATA|FILE_WRITE_DATA:
372 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
373 case FILE_READ_DATA|FILE_APPEND_DATA:
374 smb_open_mode = DOS_OPEN_RDWR;
375 break;
376 }
377
378 /*
379 * NB. For DELETE_ACCESS we should really check the
380 * directory permissions, as that is what controls
381 * delete, and for WRITE_DAC_ACCESS we should really
382 * check the ownership, as that is what controls the
383 * chmod. Note that this is *NOT* a security hole (this
384 * note is for you, Andrew) as we are not *allowing*
385 * the access at this point, the actual unlink or
386 * chown or chmod call would do this. We are just helping
387 * clients out by telling them if they have a hope
388 * of any of this succeeding. POSIX acls may still
389 * deny the real call. JRA.
390 */
391
392 if (smb_open_mode == -1) {
393
394 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
395 FILE_EXECUTE|FILE_READ_ATTRIBUTES|
396 FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
397 FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
398 smb_open_mode = DOS_OPEN_RDONLY;
399 } else if(*desired_access == 0) {
400
401 /*
402 * JRA - NT seems to sometimes send desired_access as zero. play it safe
403 * and map to a stat open.
404 */
405
406 smb_open_mode = DOS_OPEN_RDONLY;
407
408 } else {
409 DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
410 (unsigned long)*desired_access, fname));
411 return -1;
412 }
413 }
414
415 /*
416 * Set the special bit that means allow share delete.
417 * This is held outside the normal share mode bits at 1<<15.
418 * JRA.
419 */
420
421 if(share_access & FILE_SHARE_DELETE) {
422 smb_open_mode |= ALLOW_SHARE_DELETE;
423 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
424 }
425
426 if(*desired_access & DELETE_ACCESS) {
427 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
428 }
429
430 /*
431 * We need to store the intent to open for Delete. This
432 * is what determines if a delete on close flag can be set.
433 * This is the wrong way (and place) to store this, but for 2.2 this
434 * is the only practical way. JRA.
435 */
436
437 if (create_options & FILE_DELETE_ON_CLOSE) {
438 /*
439 * W2K3 bug compatibility mode... To set delete on close
440 * the redirector must have *specifically* set DELETE_ACCESS
441 * in the desired_access field. Just asking for GENERIC_ALL won't do. JRA.
442 */
443
444 if (!(original_desired_access & DELETE_ACCESS)) {
445 DEBUG(5,("map_share_mode: FILE_DELETE_ON_CLOSE requested without \
446 DELETE_ACCESS for file %s. (desired_access = 0x%lx)\n",
447 fname, (unsigned long)*desired_access));
448 return -1;
449 }
450 /* Implicit delete access is *NOT* requested... */
451 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
452 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
453 }
454
455 /* Add in the requested share mode. */
456 switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
457 case FILE_SHARE_READ:
458 smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
459 break;
460 case FILE_SHARE_WRITE:
461 smb_open_mode |= SET_DENY_MODE(DENY_READ);
462 break;
463 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
464 smb_open_mode |= SET_DENY_MODE(DENY_NONE);
465 break;
466 case FILE_SHARE_NONE:
467 smb_open_mode |= SET_DENY_MODE(DENY_ALL);
468 break;
469 }
470
471 /*
472 * Handle an O_SYNC request.
473 */
474
475 if(file_attributes & FILE_FLAG_WRITE_THROUGH)
476 smb_open_mode |= FILE_SYNC_OPENMODE;
477
478 DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
479 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
480 (unsigned long)file_attributes, smb_open_mode ));
481
482 return smb_open_mode;
483 }
484
485 /****************************************************************************
486 Reply to an NT create and X call on a pipe.
487 ****************************************************************************/
488
489 static int nt_open_pipe(char *fname, connection_struct *conn,
490 char *inbuf, char *outbuf, int *ppnum)
491 {
492 smb_np_struct *p = NULL;
493
494 uint16 vuid = SVAL(inbuf, smb_uid);
495 int i;
496
497 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
498
499 /* See if it is one we want to handle. */
500
501 if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
502 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
503
504 for( i = 0; known_nt_pipes[i]; i++ )
505 if( strequal(fname,known_nt_pipes[i]))
506 break;
507
508 if ( known_nt_pipes[i] == NULL )
509 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
510
511 /* Strip \\ off the name. */
512 fname++;
513
514 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
515
516 p = open_rpc_pipe_p(fname, conn, vuid);
517 if (!p)
518 return(ERROR_DOS(ERRSRV,ERRnofids));
519
520 *ppnum = p->pnum;
521
522 return 0;
523 }
524
525 /****************************************************************************
526 Reply to an NT create and X call for pipes.
527 ****************************************************************************/
528
529 static int do_ntcreate_pipe_open(connection_struct *conn,
530 char *inbuf,char *outbuf,int length,int bufsize)
531 {
532 pstring fname;
533 int ret;
534 int pnum = -1;
535 char *p = NULL;
536
537 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
538
539 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
540 return ret;
541
542 /*
543 * Deal with pipe return.
544 */
545
546 set_message(outbuf,34,0,True);
547
548 p = outbuf + smb_vwv2;
549 p++;
550 SSVAL(p,0,pnum);
551 p += 2;
552 SIVAL(p,0,FILE_WAS_OPENED);
553 p += 4;
554 p += 32;
555 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
556 p += 20;
557 /* File type. */
558 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
559 /* Device state. */
560 SSVAL(p,2, 0x5FF); /* ? */
561
562 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
563
564 return chain_reply(inbuf,outbuf,length,bufsize);
565 }
566
567 /****************************************************************************
568 Reply to an NT create and X call.
569 ****************************************************************************/
570
571 int reply_ntcreate_and_X(connection_struct *conn,
572 char *inbuf,char *outbuf,int length,int bufsize)
573 {
574 int result;
575 pstring fname;
576 enum FAKE_FILE_TYPE fake_file_type = FAKE_FILE_TYPE_NONE;
577 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
578 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
579 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
580 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
581 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
582 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
583 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
584 SMB_BIG_UINT allocation_size = 0;
585 int smb_ofun;
586 int smb_open_mode;
587 /* Breakout the oplock request bits so we can set the
588 reply bits separately. */
589 int oplock_request = 0;
590 int fmode=0,rmode=0;
591 SMB_OFF_T file_len = 0;
592 SMB_STRUCT_STAT sbuf;
593 int smb_action = 0;
594 BOOL bad_path = False;
595 files_struct *fsp=NULL;
596 char *p = NULL;
597 time_t c_time;
598 BOOL extended_oplock_granted = False;
599 NTSTATUS status;
600
601 START_PROFILE(SMBntcreateX);
602
603 DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
604 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
605 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
606 share_access, create_disposition,
607 create_options, root_dir_fid ));
608
609 /* If it's an IPC, use the pipe handler. */
610
611 if (IS_IPC(conn)) {
612 if (lp_nt_pipe_support()) {
613 END_PROFILE(SMBntcreateX);
614 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
615 } else {
616 END_PROFILE(SMBntcreateX);
617 return(ERROR_DOS(ERRDOS,ERRnoaccess));
618 }
619 }
620
621 if (create_options & FILE_OPEN_BY_FILE_ID) {
622 END_PROFILE(SMBntcreateX);
623 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
624 }
625
626 /*
627 * We need to construct the open_and_X ofun value from the
628 * NT values, as that's what our code is structured to accept.
629 */
630
631 if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
632 END_PROFILE(SMBntcreateX);
633 return(ERROR_DOS(ERRDOS,ERRnoaccess));
634 }
635
636 /*
637 * Get the file name.
638 */
639
640 if(root_dir_fid != 0) {
641 /*
642 * This filename is relative to a directory fid.
643 */
644 pstring rel_fname;
645 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
646 size_t dir_name_len;
647
648 if(!dir_fsp) {
649 END_PROFILE(SMBntcreateX);
650 return(ERROR_DOS(ERRDOS,ERRbadfid));
651 }
652
653 if(!dir_fsp->is_directory) {
654
655 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
656 if (!NT_STATUS_IS_OK(status)) {
657 END_PROFILE(SMBntcreateX);
658 return ERROR_NT(status);
659 }
660
661 /*
662 * Check to see if this is a mac fork of some kind.
663 */
664
665 if( strchr_m(fname, ':')) {
666 END_PROFILE(SMBntcreateX);
667 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
668 }
669
670 /*
671 we need to handle the case when we get a
672 relative open relative to a file and the
673 pathname is blank - this is a reopen!
674 (hint from demyn plantenberg)
675 */
676
677 END_PROFILE(SMBntcreateX);
678 return(ERROR_DOS(ERRDOS,ERRbadfid));
679 }
680
681 /*
682 * Copy in the base directory name.
683 */
684
685 pstrcpy( fname, dir_fsp->fsp_name );
686 dir_name_len = strlen(fname);
687
688 /*
689 * Ensure it ends in a '\'.
690 */
691
692 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
693 pstrcat(fname, "/");
694 dir_name_len++;
695 }
696
697 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status,False);
698 if (!NT_STATUS_IS_OK(status)) {
699 END_PROFILE(SMBntcreateX);
700 return ERROR_NT(status);
701 }
702 pstrcat(fname, rel_fname);
703 } else {
704 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
705 if (!NT_STATUS_IS_OK(status)) {
706 END_PROFILE(SMBntcreateX);
707 return ERROR_NT(status);
708 }
709
710 /*
711 * Check to see if this is a mac fork of some kind.
712 */
713
714 if( strchr_m(fname, ':')) {
715
716 #ifdef HAVE_SYS_QUOTAS
717 if ((fake_file_type=is_fake_file(fname))!=FAKE_FILE_TYPE_NONE) {
718 /*
719 * here we go! support for changing the disk quotas --metze
720 *
721 * we need to fake up to open this MAGIC QUOTA file
722 * and return a valid FID
723 *
724 * w2k close this file directly after openening
725 * xp also tries a QUERY_FILE_INFO on the file and then close it
726 */
727 } else {
728 #endif
729 END_PROFILE(SMBntcreateX);
730 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
731 #ifdef HAVE_SYS_QUOTAS
732 }
733 #endif
734 }
735 }
736
737 /*
738 * Now contruct the smb_open_mode value from the filename,
739 * desired access and the share access.
740 */
741 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
742
743 if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
744 share_access,
745 file_attributes)) == -1) {
746 END_PROFILE(SMBntcreateX);
747 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
748 }
749
750 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
751 if (oplock_request) {
752 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
753 }
754
755 /*
756 * Ordinary file or directory.
757 */
758
759 /*
760 * Check if POSIX semantics are wanted.
761 */
762
763 set_posix_case_semantics(conn, file_attributes);
764
765 unix_convert(fname,conn,0,&bad_path,&sbuf);
766
767 /* FAKE_FILE is a special case */
768 if (fake_file_type == FAKE_FILE_TYPE_NONE) {
769 /* Normal file. */
770 if (bad_path) {
771 restore_case_semantics(conn, file_attributes);
772 END_PROFILE(SMBntcreateX);
773 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
774 }
775 /* All file access must go through check_name() */
776 if (!check_name(fname,conn)) {
777 restore_case_semantics(conn, file_attributes);
778 END_PROFILE(SMBntcreateX);
779 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
780 }
781 }
782
783 /*
784 * If it's a request for a directory open, deal with it separately.
785 */
786
787 if(create_options & FILE_DIRECTORY_FILE) {
788 oplock_request = 0;
789
790 /* Can't open a temp directory. IFS kit test. */
791 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
792 END_PROFILE(SMBntcreateX);
793 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
794 }
795
796 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
797
798 restore_case_semantics(conn, file_attributes);
799
800 if(!fsp) {
801 END_PROFILE(SMBntcreateX);
802 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
803 }
804 } else {
805 /*
806 * Ordinary file case.
807 */
808
809 /* NB. We have a potential bug here. If we
810 * cause an oplock break to ourselves, then we
811 * could end up processing filename related
812 * SMB requests whilst we await the oplock
813 * break response. As we may have changed the
814 * filename case semantics to be POSIX-like,
815 * this could mean a filename request could
816 * fail when it should succeed. This is a rare
817 * condition, but eventually we must arrange
818 * to restore the correct case semantics
819 * before issuing an oplock break request to
820 * our client. JRA. */
821
822 if (fake_file_type==FAKE_FILE_TYPE_NONE) {
823 fsp = open_file_shared1(conn,fname,&sbuf,
824 desired_access,
825 smb_open_mode,
826 smb_ofun,file_attributes,oplock_request,
827 &rmode,&smb_action);
828 } else {
829 /* to open a fake_file --metze */
830 fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
831 desired_access,
832 smb_open_mode,
833 smb_ofun,file_attributes, oplock_request,
834 &rmode,&smb_action);
835 }
836
837 if (!fsp) {
838 /* We cheat here. There are two cases we
839 * care about. One is a directory rename,
840 * where the NT client will attempt to
841 * open the source directory for
842 * DELETE access. Note that when the
843 * NT client does this it does *not*
844 * set the directory bit in the
845 * request packet. This is translated
846 * into a read/write open
847 * request. POSIX states that any open
848 * for write request on a directory
849 * will generate an EISDIR error, so
850 * we can catch this here and open a
851 * pseudo handle that is flagged as a
852 * directory. The second is an open
853 * for a permissions read only, which
854 * we handle in the open_file_stat case. JRA.
855 */
856
857 if(errno == EISDIR) {
858
859 /*
860 * Fail the open if it was explicitly a non-directory file.
861 */
862
863 if (create_options & FILE_NON_DIRECTORY_FILE) {
864 restore_case_semantics(conn, file_attributes);
865 SSVAL(outbuf, smb_flg2,
866 SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
867 END_PROFILE(SMBntcreateX);
868 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
869 }
870
871 oplock_request = 0;
872 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
873
874 if(!fsp) {
875 restore_case_semantics(conn, file_attributes);
876 END_PROFILE(SMBntcreateX);
877 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
878 }
879 } else {
880
881 restore_case_semantics(conn, file_attributes);
882 END_PROFILE(SMBntcreateX);
883 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
884 /* We have re-scheduled this call. */
885 clear_cached_errors();
886 return -1;
887 }
888 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
889 }
890 }
891 }
892
893 restore_case_semantics(conn, file_attributes);
894
895 file_len = sbuf.st_size;
896 fmode = dos_mode(conn,fname,&sbuf);
897 if(fmode == 0)
898 fmode = FILE_ATTRIBUTE_NORMAL;
899 if (!fsp->is_directory && (fmode & aDIR)) {
900 close_file(fsp,False);
901 END_PROFILE(SMBntcreateX);
902 return ERROR_DOS(ERRDOS,ERRnoaccess);
903 }
904
905 /* Save the requested allocation size. */
906 allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
907 #ifdef LARGE_SMB_OFF_T
908 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
909 #endif
910 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
911 fsp->initial_allocation_size = smb_roundup(allocation_size);
912 if (fsp->is_directory) {
913 close_file(fsp,False);
914 END_PROFILE(SMBntcreateX);
915 /* Can't set allocation size on a directory. */
916 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
917 }
918 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
919 close_file(fsp,False);
920 END_PROFILE(SMBntcreateX);
921 return ERROR_NT(NT_STATUS_DISK_FULL);
922 }
923 } else {
924 fsp->initial_allocation_size = smb_roundup((SMB_BIG_UINT)file_len);
925 }
926
927 /*
928 * If the caller set the extended oplock request bit
929 * and we granted one (by whatever means) - set the
930 * correct bit for extended oplock reply.
931 */
932
933 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
934 extended_oplock_granted = True;
935
936 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
937 extended_oplock_granted = True;
938
939 #if 0
940 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
941 set_message(outbuf,42,0,True);
942 #else
943 set_message(outbuf,34,0,True);
944 #endif
945
946 p = outbuf + smb_vwv2;
947
948 /*
949 * Currently as we don't support level II oplocks we just report
950 * exclusive & batch here.
951 */
952
953 if (extended_oplock_granted) {
954 if (flags & REQUEST_BATCH_OPLOCK) {
955 SCVAL(p,0, BATCH_OPLOCK_RETURN);
956 } else {
957 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
958 }
959 } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
960 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
961 } else {
962 SCVAL(p,0,NO_OPLOCK_RETURN);
963 }
964
965 p++;
966 SSVAL(p,0,fsp->fnum);
967 p += 2;
968 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
969 SIVAL(p,0,FILE_WAS_SUPERSEDED);
970 else
971 SIVAL(p,0,smb_action);
972 p += 4;
973
974 /* Create time. */
975 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
976
977 if (lp_dos_filetime_resolution(SNUM(conn))) {
978 c_time &= ~1;
979 sbuf.st_atime &= ~1;
980 sbuf.st_mtime &= ~1;
981 sbuf.st_mtime &= ~1;
982 }
983
984 put_long_date(p,c_time);
985 p += 8;
986 put_long_date(p,sbuf.st_atime); /* access time */
987 p += 8;
988 put_long_date(p,sbuf.st_mtime); /* write time */
989 p += 8;
990 put_long_date(p,sbuf.st_mtime); /* change time */
991 p += 8;
992 SIVAL(p,0,fmode); /* File Attributes. */
993 p += 4;
994 SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
995 p += 8;
996 SOFF_T(p,0,file_len);
997 p += 8;
998 if (flags & EXTENDED_RESPONSE_REQUIRED)
999 SSVAL(p,2,0x7);
1000 p += 4;
1001 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1002
1003 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1004
1005 result = chain_reply(inbuf,outbuf,length,bufsize);
1006 END_PROFILE(SMBntcreateX);
1007 return result;
1008 }
1009
1010 /****************************************************************************
1011 Reply to a NT_TRANSACT_CREATE call to open a pipe.
1012 ****************************************************************************/
1013
1014 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1015 char **ppsetup, uint32 setup_count,
1016 char **ppparams, uint32 parameter_count,
1017 char **ppdata, uint32 data_count)
1018 {
1019 pstring fname;
1020 char *params = *ppparams;
1021 int ret;
1022 int pnum = -1;
1023 char *p = NULL;
1024 NTSTATUS status;
1025
1026 /*
1027 * Ensure minimum number of parameters sent.
1028 */
1029
1030 if(parameter_count < 54) {
1031 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1032 return ERROR_DOS(ERRDOS,ERRnoaccess);
1033 }
1034
1035 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1036 if (!NT_STATUS_IS_OK(status)) {
1037 return ERROR_NT(status);
1038 }
1039
1040 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
1041 return ret;
1042
1043 /* Realloc the size of parameters and data we will return */
1044 params = nttrans_realloc(ppparams, 69);
1045 if(params == NULL)
1046 return ERROR_DOS(ERRDOS,ERRnomem);
1047
1048 p = params;
1049 SCVAL(p,0,NO_OPLOCK_RETURN);
1050
1051 p += 2;
1052 SSVAL(p,0,pnum);
1053 p += 2;
1054 SIVAL(p,0,FILE_WAS_OPENED);
1055 p += 8;
1056
1057 p += 32;
1058 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1059 p += 20;
1060 /* File type. */
1061 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1062 /* Device state. */
1063 SSVAL(p,2, 0x5FF); /* ? */
1064
1065 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1066
1067 /* Send the required number of replies */
1068 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1069
1070 return -1;
1071 }
1072
1073 /****************************************************************************
1074 Internal fn to set security descriptors.
1075 ****************************************************************************/
1076
1077 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1078 {
1079 prs_struct pd;
1080 SEC_DESC *psd = NULL;
1081 TALLOC_CTX *mem_ctx;
1082 BOOL ret;
1083
1084 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1085 return NT_STATUS_OK;
1086 }
1087
1088 /*
1089 * Init the parse struct we will unmarshall from.
1090 */
1091
1092 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1093 DEBUG(0,("set_sd: talloc_init failed.\n"));
1094 return NT_STATUS_NO_MEMORY;
1095 }
1096
1097 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1098
1099 /*
1100 * Setup the prs_struct to point at the memory we just
1101 * allocated.
1102 */
1103
1104 prs_give_memory( &pd, data, sd_len, False);
1105
1106 /*
1107 * Finally, unmarshall from the data buffer.
1108 */
1109
1110 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1111 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1112 /*
1113 * Return access denied for want of a better error message..
1114 */
1115 talloc_destroy(mem_ctx);
1116 return NT_STATUS_NO_MEMORY;
1117 }
1118
1119 if (psd->off_owner_sid==0)
1120 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1121 if (psd->off_grp_sid==0)
1122 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1123 if (psd->off_sacl==0)
1124 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1125 if (psd->off_dacl==0)
1126 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1127
1128 ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
1129
1130 if (!ret) {
1131 talloc_destroy(mem_ctx);
1132 return NT_STATUS_ACCESS_DENIED;
1133 }
1134
1135 talloc_destroy(mem_ctx);
1136
1137 return NT_STATUS_OK;
1138 }
1139
1140 /****************************************************************************
1141 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1142 ****************************************************************************/
1143
1144 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1145 char **ppsetup, uint32 setup_count,
1146 char **ppparams, uint32 parameter_count,
1147 char **ppdata, uint32 data_count, uint32 max_data_count)
1148 {
1149 pstring fname;
1150 char *params = *ppparams;
1151 char *data = *ppdata;
1152 /* Breakout the oplock request bits so we can set the reply bits separately. */
1153 int oplock_request = 0;
1154 int fmode=0,rmode=0;
1155 SMB_OFF_T file_len = 0;
1156 SMB_STRUCT_STAT sbuf;
1157 int smb_action = 0;
1158 BOOL bad_path = False;
1159 files_struct *fsp = NULL;
1160 char *p = NULL;
1161 BOOL extended_oplock_granted = False;
1162 uint32 flags;
1163 uint32 desired_access;
1164 uint32 file_attributes;
1165 uint32 share_access;
1166 uint32 create_disposition;
1167 uint32 create_options;
1168 uint32 sd_len;
1169 uint16 root_dir_fid;
1170 SMB_BIG_UINT allocation_size = 0;
1171 int smb_ofun;
1172 int smb_open_mode;
1173 time_t c_time;
1174 NTSTATUS status;
1175
1176 DEBUG(5,("call_nt_transact_create\n"));
1177
1178 /*
1179 * If it's an IPC, use the pipe handler.
1180 */
1181
1182 if (IS_IPC(conn)) {
1183 if (lp_nt_pipe_support())
1184 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1185 bufsize,
1186 ppsetup, setup_count,
1187 ppparams, parameter_count,
1188 ppdata, data_count);
1189 else
1190 return ERROR_DOS(ERRDOS,ERRnoaccess);
1191 }
1192
1193 /*
1194 * Ensure minimum number of parameters sent.
1195 */
1196
1197 if(parameter_count < 54) {
1198 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1199 return ERROR_DOS(ERRDOS,ERRnoaccess);
1200 }
1201
1202 flags = IVAL(params,0);
1203 desired_access = IVAL(params,8);
1204 file_attributes = IVAL(params,20);
1205 share_access = IVAL(params,24);
1206 create_disposition = IVAL(params,28);
1207 create_options = IVAL(params,32);
1208 sd_len = IVAL(params,36);
1209 root_dir_fid = (uint16)IVAL(params,4);
1210
1211 if (create_options & FILE_OPEN_BY_FILE_ID) {
1212 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1213 }
1214
1215 /*
1216 * We need to construct the open_and_X ofun value from the
1217 * NT values, as that's what our code is structured to accept.
1218 */
1219
1220 if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1221 return ERROR_DOS(ERRDOS,ERRbadmem);
1222
1223 /*
1224 * Get the file name.
1225 */
1226
1227 if(root_dir_fid != 0) {
1228 /*
1229 * This filename is relative to a directory fid.
1230 */
1231 files_struct *dir_fsp = file_fsp(params,4);
1232 size_t dir_name_len;
1233
1234 if(!dir_fsp)
1235 return ERROR_DOS(ERRDOS,ERRbadfid);
1236
1237 if(!dir_fsp->is_directory) {
1238 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1239 if (!NT_STATUS_IS_OK(status)) {
1240 return ERROR_NT(status);
1241 }
1242
1243 /*
1244 * Check to see if this is a mac fork of some kind.
1245 */
1246
1247 if( strchr_m(fname, ':'))
1248 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1249
1250 return ERROR_DOS(ERRDOS,ERRbadfid);
1251 }
1252
1253 /*
1254 * Copy in the base directory name.
1255 */
1256
1257 pstrcpy( fname, dir_fsp->fsp_name );
1258 dir_name_len = strlen(fname);
1259
1260 /*
1261 * Ensure it ends in a '\'.
1262 */
1263
1264 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1265 pstrcat(fname, "/");
1266 dir_name_len++;
1267 }
1268
1269 {
1270 pstring tmpname;
1271 srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status, False);
1272 if (!NT_STATUS_IS_OK(status)) {
1273 return ERROR_NT(status);
1274 }
1275 pstrcat(fname, tmpname);
1276 }
1277 } else {
1278 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1279 if (!NT_STATUS_IS_OK(status)) {
1280 return ERROR_NT(status);
1281 }
1282
1283 /*
1284 * Check to see if this is a mac fork of some kind.
1285 */
1286
1287 if( strchr_m(fname, ':'))
1288 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1289 }
1290
1291 /*
1292 * Now contruct the smb_open_mode value from the desired access
1293 * and the share access.
1294 */
1295
1296 if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1297 share_access, file_attributes)) == -1)
1298 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1299
1300 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1301 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1302
1303 /*
1304 * Check if POSIX semantics are wanted.
1305 */
1306
1307 set_posix_case_semantics(conn, file_attributes);
1308
1309 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1310
1311 unix_convert(fname,conn,0,&bad_path,&sbuf);
1312 if (bad_path) {
1313 restore_case_semantics(conn, file_attributes);
1314 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1315 }
1316 /* All file access must go through check_name() */
1317 if (!check_name(fname,conn)) {
1318 restore_case_semantics(conn, file_attributes);
1319 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1320 }
1321
1322 /*
1323 * If it's a request for a directory open, deal with it separately.
1324 */
1325
1326 if(create_options & FILE_DIRECTORY_FILE) {
1327
1328 /* Can't open a temp directory. IFS kit test. */
1329 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1330 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1331 }
1332
1333 oplock_request = 0;
1334
1335 /*
1336 * We will get a create directory here if the Win32
1337 * app specified a security descriptor in the
1338 * CreateDirectory() call.
1339 */
1340
1341 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1342
1343 if(!fsp) {
1344 restore_case_semantics(conn, file_attributes);
1345 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1346 }
1347
1348 } else {
1349
1350 /*
1351 * Ordinary file case.
1352 */
1353
1354 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1355 smb_open_mode,smb_ofun,file_attributes,
1356 oplock_request,&rmode,&smb_action);
1357
1358 if (!fsp) {
1359
1360 if(errno == EISDIR) {
1361
1362 /*
1363 * Fail the open if it was explicitly a non-directory file.
1364 */
1365
1366 if (create_options & FILE_NON_DIRECTORY_FILE) {
1367 restore_case_semantics(conn, file_attributes);
1368 SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1369 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1370 }
1371
1372 oplock_request = 0;
1373 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1374
1375 if(!fsp) {
1376 restore_case_semantics(conn, file_attributes);
1377 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1378 }
1379 } else {
1380 restore_case_semantics(conn, file_attributes);
1381 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1382 /* We have re-scheduled this call. */
1383 clear_cached_errors();
1384 return -1;
1385 }
1386 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1387 }
1388 }
1389
1390 file_len = sbuf.st_size;
1391 fmode = dos_mode(conn,fname,&sbuf);
1392 if(fmode == 0)
1393 fmode = FILE_ATTRIBUTE_NORMAL;
1394
1395 if (fmode & aDIR) {
1396 close_file(fsp,False);
1397 restore_case_semantics(conn, file_attributes);
1398 return ERROR_DOS(ERRDOS,ERRnoaccess);
1399 }
1400
1401 /*
1402 * If the caller set the extended oplock request bit
1403 * and we granted one (by whatever means) - set the
1404 * correct bit for extended oplock reply.
1405 */
1406
1407 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1408 extended_oplock_granted = True;
1409
1410 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1411 extended_oplock_granted = True;
1412 }
1413
1414 /*
1415 * Now try and apply the desired SD.
1416 */
1417
1418 if (lp_nt_acl_support(SNUM(conn)) && sd_len &&
1419 !NT_STATUS_IS_OK(status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
1420 close_file(fsp,False);
1421 restore_case_semantics(conn, file_attributes);
1422 return ERROR_NT(status);
1423 }
1424
1425 restore_case_semantics(conn, file_attributes);
1426
1427 /* Save the requested allocation size. */
1428 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1429 #ifdef LARGE_SMB_OFF_T
1430 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1431 #endif
1432 if (allocation_size && (allocation_size > file_len)) {
1433 fsp->initial_allocation_size = smb_roundup(allocation_size);
1434 if (fsp->is_directory) {
1435 close_file(fsp,False);
1436 END_PROFILE(SMBntcreateX);
1437 /* Can't set allocation size on a directory. */
1438 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1439 }
1440 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1441 close_file(fsp,False);
1442 return ERROR_NT(NT_STATUS_DISK_FULL);
1443 }
1444 } else {
1445 fsp->initial_allocation_size = smb_roundup((SMB_BIG_UINT)file_len);
1446 }
1447
1448 /* Realloc the size of parameters and data we will return */
1449 params = nttrans_realloc(ppparams, 69);
1450 if(params == NULL)
1451 return ERROR_DOS(ERRDOS,ERRnomem);
1452
1453 p = params;
1454 if (extended_oplock_granted)
1455 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1456 else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1457 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1458 else
1459 SCVAL(p,0,NO_OPLOCK_RETURN);
1460
1461 p += 2;
1462 SSVAL(p,0,fsp->fnum);
1463 p += 2;
1464 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1465 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1466 else
1467 SIVAL(p,0,smb_action);
1468 p += 8;
1469
1470 /* Create time. */
1471 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1472
1473 if (lp_dos_filetime_resolution(SNUM(conn))) {
1474 c_time &= ~1;
1475 sbuf.st_atime &= ~1;
1476 sbuf.st_mtime &= ~1;
1477 sbuf.st_mtime &= ~1;
1478 }
1479
1480 put_long_date(p,c_time);
1481 p += 8;
1482 put_long_date(p,sbuf.st_atime); /* access time */
1483 p += 8;
1484 put_long_date(p,sbuf.st_mtime); /* write time */
1485 p += 8;
1486 put_long_date(p,sbuf.st_mtime); /* change time */
1487 p += 8;
1488 SIVAL(p,0,fmode); /* File Attributes. */
1489 p += 4;
1490 SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1491 p += 8;
1492 SOFF_T(p,0,file_len);
1493 p += 8;
1494 if (flags & EXTENDED_RESPONSE_REQUIRED)
1495 SSVAL(p,2,0x7);
1496 p += 4;
1497 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1498
1499 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1500
1501 /* Send the required number of replies */
1502 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1503
1504 return -1;
1505 }
1506
1507 /****************************************************************************
1508 Reply to a NT CANCEL request.
1509 ****************************************************************************/
1510
1511 int reply_ntcancel(connection_struct *conn,
1512 char *inbuf,char *outbuf,int length,int bufsize)
1513 {
1514 /*
1515 * Go through and cancel any pending change notifies.
1516 */
1517
1518 int mid = SVAL(inbuf,smb_mid);
1519 START_PROFILE(SMBntcancel);
1520 remove_pending_change_notify_requests_by_mid(mid);
1521 remove_pending_lock_requests_by_mid(mid);
1522 srv_cancel_sign_response(mid);
1523
1524 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1525
1526 END_PROFILE(SMBntcancel);
1527 return(-1);
1528 }
1529
1530 /****************************************************************************
1531 Copy a file.
1532 ****************************************************************************/
1533
1534 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint16 attrs)
1535 {
1536 BOOL bad_path_oldname = False;
1537 BOOL bad_path_newname = False;
1538 SMB_STRUCT_STAT sbuf1, sbuf2;
1539 pstring last_component_oldname;
1540 pstring last_component_newname;
1541 files_struct *fsp1,*fsp2;
1542 uint16 fmode;
1543 int access_mode;
1544 int smb_action;
1545 SMB_OFF_T ret=-1;
1546 int close_ret;
1547 NTSTATUS status = NT_STATUS_OK;
1548
1549 ZERO_STRUCT(sbuf1);
1550 ZERO_STRUCT(sbuf2);
1551
1552 /* No wildcards. */
1553 if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1554 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1555 }
1556
1557 if (!CAN_WRITE(conn))
1558 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1559
1560 unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1561 if (bad_path_oldname) {
1562 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1563 }
1564
1565 /* Quick check for "." and ".." */
1566 if (last_component_oldname[0] == '.') {
1567 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1568 return NT_STATUS_OBJECT_NAME_INVALID;
1569 }
1570 }
1571
1572 /* Source must already exist. */
1573 if (!VALID_STAT(sbuf1)) {
1574 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1575 }
1576 if (!check_name(oldname,conn)) {
1577 return NT_STATUS_ACCESS_DENIED;
1578 }
1579
1580 /* Ensure attributes match. */
1581 fmode = dos_mode(conn,oldname,&sbuf1);
1582 if ((fmode & ~attrs) & (aHIDDEN | aSYSTEM))
1583 return NT_STATUS_NO_SUCH_FILE;
1584
1585 unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1586 if (bad_path_newname) {
1587 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1588 }
1589
1590 /* Quick check for "." and ".." */
1591 if (last_component_newname[0] == '.') {
1592 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1593 return NT_STATUS_OBJECT_NAME_INVALID;
1594 }
1595 }
1596
1597 /* Disallow if newname already exists. */
1598 if (VALID_STAT(sbuf2)) {
1599 return NT_STATUS_OBJECT_NAME_COLLISION;
1600 }
1601
1602 if (!check_name(newname,conn)) {
1603 return NT_STATUS_ACCESS_DENIED;
1604 }
1605
1606 /* No links from a directory. */
1607 if (S_ISDIR(sbuf1.st_mode)) {
1608 return NT_STATUS_FILE_IS_A_DIRECTORY;
1609 }
1610
1611 /* Ensure this is within the share. */
1612 if (!reduce_name(conn, oldname) != 0) {
1613 return NT_STATUS_ACCESS_DENIED;
1614 }
1615
1616 DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1617
1618 fsp1 = open_file_shared1(conn,oldname,&sbuf1,FILE_READ_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
1619 (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),FILE_ATTRIBUTE_NORMAL,0,
1620 &access_mode,&smb_action);
1621
1622 if (!fsp1) {
1623 status = NT_STATUS_ACCESS_DENIED;
1624 if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1625 status = NT_STATUS_SHARING_VIOLATION;
1626 unix_ERR_class = 0;
1627 unix_ERR_code = 0;
1628 unix_ERR_ntstatus = NT_STATUS_OK;
1629 return status;
1630 }
1631
1632 fsp2 = open_file_shared1(conn,newname,&sbuf2,FILE_WRITE_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
1633 (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL),fmode,INTERNAL_OPEN_ONLY,
1634 &access_mode,&smb_action);
1635
1636 if (!fsp2) {
1637 status = NT_STATUS_ACCESS_DENIED;
1638 if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1639 status = NT_STATUS_SHARING_VIOLATION;
1640 unix_ERR_class = 0;
1641 unix_ERR_code = 0;
1642 unix_ERR_ntstatus = NT_STATUS_OK;
1643 close_file(fsp1,False);
1644 return status;
1645 }
1646
1647 if (sbuf1.st_size)
1648 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1649
1650 /*
1651 * As we are opening fsp1 read-only we only expect
1652 * an error on close on fsp2 if we are out of space.
1653 * Thus we don't look at the error return from the
1654 * close of fsp1.
1655 */
1656 close_file(fsp1,False);
1657
1658 /* Ensure the modtime is set correctly on the destination file. */
1659 fsp2->pending_modtime = sbuf1.st_mtime;
1660
1661 close_ret = close_file(fsp2,False);
1662
1663 /* Grrr. We have to do this as open_file_shared1 adds aARCH when it
1664 creates the file. This isn't the correct thing to do in the copy case. JRA */
1665 file_set_dosmode(conn, newname, fmode, &sbuf2, True);
1666
1667 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1668 return NT_STATUS_DISK_FULL;
1669 }
1670
1671 if (close_ret != 0) {
1672 status = map_nt_error_from_unix(close_ret);
1673 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1674 nt_errstr(status), oldname, newname));
1675 }
1676 return status;
1677 }
1678
1679 /****************************************************************************
1680 Reply to a NT rename request.
1681 ****************************************************************************/
1682
1683 int reply_ntrename(connection_struct *conn,
1684 char *inbuf,char *outbuf,int length,int bufsize)
1685 {
1686 int outsize = 0;
1687 pstring oldname;
1688 pstring newname;
1689 char *p;
1690 NTSTATUS status;
1691 uint16 attrs = SVAL(inbuf,smb_vwv0);
1692 uint16 rename_type = SVAL(inbuf,smb_vwv1);
1693
1694 START_PROFILE(SMBntrename);
1695
1696 p = smb_buf(inbuf) + 1;
1697 p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, True);
1698 if (!NT_STATUS_IS_OK(status)) {
1699 END_PROFILE(SMBntrename);
1700 return ERROR_NT(status);
1701 }
1702
1703 if( strchr_m(oldname, ':')) {
1704 /* Can't rename a stream. */
1705 END_PROFILE(SMBntrename);
1706 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1707 }
1708
1709 if (ms_has_wild(oldname)) {
1710 END_PROFILE(SMBntrename);
1711 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1712 }
1713
1714 p++;
1715 p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, False);
1716 if (!NT_STATUS_IS_OK(status)) {
1717 END_PROFILE(SMBntrename);
1718 return ERROR_NT(status);
1719 }
1720
1721 RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1722 RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1723
1724 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1725
1726 switch(rename_type) {
1727 case RENAME_FLAG_RENAME:
1728 status = rename_internals(conn, oldname, newname, attrs, False);
1729 break;
1730 case RENAME_FLAG_HARD_LINK:
1731 status = hardlink_internals(conn, oldname, newname);
1732 break;
1733 case RENAME_FLAG_COPY:
1734 status = copy_internals(conn, oldname, newname, attrs);
1735 break;
1736 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1737 status = NT_STATUS_INVALID_PARAMETER;
1738 break;
1739 default:
1740 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1741 break;
1742 }
1743
1744 if (!NT_STATUS_IS_OK(status)) {
1745 END_PROFILE(SMBntrename);
1746 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1747 /* We have re-scheduled this call. */
1748 clear_cached_errors();
1749 return -1;
1750 }
1751 return ERROR_NT(status);
1752 }
1753
1754 /*
1755 * Win2k needs a changenotify request response before it will
1756 * update after a rename..
1757 */
1758 process_pending_change_notify_queue((time_t)0);
1759 outsize = set_message(outbuf,0,0,True);
1760
1761 END_PROFILE(SMBntrename);
1762 return(outsize);
1763 }
1764
1765 /****************************************************************************
1766 Reply to an unsolicited SMBNTtranss - just ignore it!
1767 ****************************************************************************/
1768
1769 int reply_nttranss(connection_struct *conn,
1770 char *inbuf,char *outbuf,int length,int bufsize)
1771 {
1772 START_PROFILE(SMBnttranss);
1773 DEBUG(4,("Ignoring nttranss of length %d\n",length));
1774 END_PROFILE(SMBnttranss);
1775 return(-1);
1776 }
1777
1778 /****************************************************************************
1779 Reply to a notify change - queue the request and
1780 don't allow a directory to be opened.
1781 ****************************************************************************/
1782
1783 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1784 char **ppsetup, uint32 setup_count,
1785 char **ppparams, uint32 parameter_count,
1786 char **ppdata, uint32 data_count, uint32 max_data_count)
1787 {
1788 char *setup = *ppsetup;
1789 files_struct *fsp;
1790 uint32 flags;
1791
1792 if(setup_count < 6)
1793 return ERROR_DOS(ERRDOS,ERRbadfunc);
1794
1795 fsp = file_fsp(setup,4);
1796 flags = IVAL(setup, 0);
1797
1798 DEBUG(3,("call_nt_transact_notify_change\n"));
1799
1800 if(!fsp)
1801 return ERROR_DOS(ERRDOS,ERRbadfid);
1802
1803 if((!fsp->is_directory) || (conn != fsp->conn))
1804 return ERROR_DOS(ERRDOS,ERRbadfid);
1805
1806 if (!change_notify_set(inbuf, fsp, conn, flags))
1807 return(UNIXERROR(ERRDOS,ERRbadfid));
1808
1809 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1810 name = %s\n", fsp->fsp_name ));
1811
1812 return -1;
1813 }
1814
1815 /****************************************************************************
1816 Reply to an NT transact rename command.
1817 ****************************************************************************/
1818
1819 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1820 char **ppsetup, uint32 setup_count,
1821 char **ppparams, uint32 parameter_count,
1822 char **ppdata, uint32 data_count, uint32 max_data_count)
1823 {
1824 char *params = *ppparams;
1825 pstring new_name;
1826 files_struct *fsp = NULL;
1827 BOOL replace_if_exists = False;
1828 NTSTATUS status;
1829
1830 if(parameter_count < 4)
1831 return ERROR_DOS(ERRDOS,ERRbadfunc);
1832
1833 fsp = file_fsp(params, 0);
1834 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1835 CHECK_FSP(fsp, conn);
1836 srvstr_get_path(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, True);
1837 if (!NT_STATUS_IS_OK(status)) {
1838 return ERROR_NT(status);
1839 }
1840
1841 status = rename_internals(conn, fsp->fsp_name,
1842 new_name, 0, replace_if_exists);
1843 if (!NT_STATUS_IS_OK(status))
1844 return ERROR_NT(status);
1845
1846 /*
1847 * Rename was successful.
1848 */
1849 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1850
1851 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1852 fsp->fsp_name, new_name));
1853
1854 /*
1855 * Win2k needs a changenotify request response before it will
1856 * update after a rename..
1857 */
1858
1859 process_pending_change_notify_queue((time_t)0);
1860
1861 return -1;
1862 }
1863
1864 /******************************************************************************
1865 Fake up a completely empty SD.
1866 *******************************************************************************/
1867
1868 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1869 {
1870 extern DOM_SID global_sid_World;
1871 size_t sd_size;
1872
1873 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1874 if(!*ppsd) {
1875 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1876 sd_size = 0;
1877 }
1878
1879 return sd_size;
1880 }
1881
1882 /****************************************************************************
1883 Reply to query a security descriptor.
1884 ****************************************************************************/
1885
1886 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1887 char **ppsetup, uint32 setup_count,
1888 char **ppparams, uint32 parameter_count,
1889 char **ppdata, uint32 data_count, uint32 max_data_count)
1890 {
1891 char *params = *ppparams;
1892 char *data = *ppdata;
1893 prs_struct pd;
1894 SEC_DESC *psd = NULL;
1895 size_t sd_size;
1896 uint32 security_info_wanted;
1897 TALLOC_CTX *mem_ctx;
1898 files_struct *fsp = NULL;
1899
1900 if(parameter_count < 8)
1901 return ERROR_DOS(ERRDOS,ERRbadfunc);
1902
1903 fsp = file_fsp(params,0);
1904 if(!fsp)
1905 return ERROR_DOS(ERRDOS,ERRbadfid);
1906
1907 security_info_wanted = IVAL(params,4);
1908
1909 DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1910
1911 params = nttrans_realloc(ppparams, 4);
1912 if(params == NULL)
1913 return ERROR_DOS(ERRDOS,ERRnomem);
1914
1915 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1916 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1917 return ERROR_DOS(ERRDOS,ERRnomem);
1918 }
1919
1920 /*
1921 * Get the permissions to return.
1922 */
1923
1924 if (!lp_nt_acl_support(SNUM(conn)))
1925 sd_size = get_null_nt_acl(mem_ctx, &psd);
1926 else
1927 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fd, security_info_wanted, &psd);
1928
1929 if (sd_size == 0) {
1930 talloc_destroy(mem_ctx);
1931 return(UNIXERROR(ERRDOS,ERRnoaccess));
1932 }
1933
1934 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1935
1936 SIVAL(params,0,(uint32)sd_size);
1937
1938 if(max_data_count < sd_size) {
1939
1940 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1941 params, 4, *ppdata, 0);
1942 talloc_destroy(mem_ctx);
1943 return -1;
1944 }
1945
1946 /*
1947 * Allocate the data we will point this at.
1948 */
1949
1950 data = nttrans_realloc(ppdata, sd_size);
1951 if(data == NULL) {
1952 talloc_destroy(mem_ctx);
1953 return ERROR_DOS(ERRDOS,ERRnomem);
1954 }
1955
1956 /*
1957 * Init the parse struct we will marshall into.
1958 */
1959
1960 prs_init(&pd, 0, mem_ctx, MARSHALL);
1961
1962 /*
1963 * Setup the prs_struct to point at the memory we just
1964 * allocated.
1965 */
1966
1967 prs_give_memory( &pd, data, (uint32)sd_size, False);
1968
1969 /*
1970 * Finally, linearize into the outgoing buffer.
1971 */
1972
1973 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1974 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1975 security descriptor.\n"));
1976 /*
1977 * Return access denied for want of a better error message..
1978 */
1979 talloc_destroy(mem_ctx);
1980 return(UNIXERROR(ERRDOS,ERRnoaccess));
1981 }
1982
1983 /*
1984 * Now we can delete the security descriptor.
1985 */
1986
1987 talloc_destroy(mem_ctx);
1988
1989 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1990 return -1;
1991 }
1992
1993 /****************************************************************************
1994 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1995 ****************************************************************************/
1996
1997 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1998 char **ppsetup, uint32 setup_count,
1999 char **ppparams, uint32 parameter_count,
2000 char **ppdata, uint32 data_count, uint32 max_data_count)
2001 {
2002 char *params= *ppparams;
2003 char *data = *ppdata;
2004 files_struct *fsp = NULL;
2005 uint32 security_info_sent = 0;
2006 NTSTATUS nt_status;
2007
2008 if(parameter_count < 8)
2009 return ERROR_DOS(ERRDOS,ERRbadfunc);
2010
2011 if((fsp = file_fsp(params,0)) == NULL)
2012 return ERROR_DOS(ERRDOS,ERRbadfid);
2013
2014 if(!lp_nt_acl_support(SNUM(conn)))
2015 goto done;
2016
2017 security_info_sent = IVAL(params,4);
2018
2019 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2020 (unsigned int)security_info_sent ));
2021
2022 if (data_count == 0)
2023 return ERROR_DOS(ERRDOS, ERRnoaccess);
2024
2025 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent)))
2026 return ERROR_NT(nt_status);
2027
2028 done:
2029
2030 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2031 return -1;
2032 }
2033
2034 /****************************************************************************
2035 Reply to NT IOCTL
2036 ****************************************************************************/
2037
2038 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2039 char **ppsetup, uint32 setup_count,
2040 char **ppparams, uint32 parameter_count,
2041 char **ppdata, uint32 data_count, uint32 max_data_count)
2042 {
2043 uint32 function;
2044 uint16 fidnum;
2045 files_struct *fsp;
2046 uint8 isFSctl;
2047 uint8 compfilter;
2048 static BOOL logged_message;
2049 char *pdata = *ppdata;
2050
2051 if (setup_count != 8) {
2052 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2053 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2054 }
2055
2056 function = IVAL(*ppsetup, 0);
2057 fidnum = SVAL(*ppsetup, 4);
2058 isFSctl = CVAL(*ppsetup, 6);
2059 compfilter = CVAL(*ppsetup, 7);
2060
2061 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2062 function, fidnum, isFSctl, compfilter));
2063
2064 fsp=file_fsp(*ppsetup, 4);
2065 /* this check is done in each implemented function case for now
2066 because I don't want to break anything... --metze
2067 FSP_BELONGS_CONN(fsp,conn);*/
2068
2069 switch (function) {
2070 case FSCTL_SET_SPARSE:
2071 /* pretend this succeeded - tho strictly we should
2072 mark the file sparse (if the local fs supports it)
2073 so we can know if we need to pre-allocate or not */
2074
2075 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2076 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2077 return -1;
2078
2079 case FSCTL_0x000900C0:
2080 /* pretend this succeeded - don't know what this really is
2081 but works ok like this --metze
2082 */
2083
2084 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2085 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2086 return -1;
2087
2088 case FSCTL_GET_REPARSE_POINT:
2089 /* pretend this fail - my winXP does it like this
2090 * --metze
2091 */
2092
2093 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2094 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2095 return -1;
2096
2097 case FSCTL_SET_REPARSE_POINT:
2098 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2099 * --metze
2100 */
2101
2102 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2103 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2104 return -1;
2105
2106 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2107 {
2108 /*
2109 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2110 * and return their volume names. If max_data_count is 16, then it is just
2111 * asking for the number of volumes and length of the combined names.
2112 *
2113 * pdata is the data allocated by our caller, but that uses
2114 * total_data_count (which is 0 in our case) rather than max_data_count.
2115 * Allocate the correct amount and return the pointer to let
2116 * it be deallocated when we return.
2117 */
2118 SHADOW_COPY_DATA *shadow_data = NULL;
2119 TALLOC_CTX *shadow_mem_ctx = NULL;
2120 BOOL labels = False;
2121 uint32 labels_data_count = 0;
2122 uint32 i;
2123 char *cur_pdata;
2124
2125 FSP_BELONGS_CONN(fsp,conn);
2126
2127 if (max_data_count < 16) {
2128 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2129 max_data_count));
2130 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2131 }
2132
2133 if (max_data_count > 16) {
2134 labels = True;
2135 }
2136
2137 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2138 if (shadow_mem_ctx == NULL) {
2139 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2140 return ERROR_NT(NT_STATUS_NO_MEMORY);
2141 }
2142
2143 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2144 if (shadow_data == NULL) {
2145 DEBUG(0,("talloc_zero() failed!\n"));
2146 return ERROR_NT(NT_STATUS_NO_MEMORY);
2147 }
2148
2149 shadow_data->mem_ctx = shadow_mem_ctx;
2150
2151 /*
2152 * Call the VFS routine to actually do the work.
2153 */
2154 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2155 talloc_destroy(shadow_data->mem_ctx);
2156 if (errno == ENOSYS) {
2157 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2158 conn->connectpath));
2159 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2160 } else {
2161 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2162 conn->connectpath));
2163 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2164 }
2165 }
2166
2167 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2168
2169 if (!labels) {
2170 data_count = 16;
2171 } else {
2172 data_count = 12+labels_data_count+4;
2173 }
2174
2175 if (max_data_count<data_count) {
2176 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2177 max_data_count,data_count));
2178 talloc_destroy(shadow_data->mem_ctx);
2179 return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2180 }
2181
2182 pdata = nttrans_realloc(ppdata, data_count);
2183 if (pdata == NULL) {
2184 talloc_destroy(shadow_data->mem_ctx);
2185 return ERROR_NT(NT_STATUS_NO_MEMORY);
2186 }
2187
2188 cur_pdata = pdata;
2189
2190 /* num_volumes 4 bytes */
2191 SIVAL(pdata,0,shadow_data->num_volumes);
2192
2193 if (labels) {
2194 /* num_labels 4 bytes */
2195 SIVAL(pdata,4,shadow_data->num_volumes);
2196 }
2197
2198 /* needed_data_count 4 bytes */
2199 SIVAL(pdata,8,labels_data_count);
2200
2201 cur_pdata+=12;
2202
2203 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2204 shadow_data->num_volumes,fsp->fsp_name));
2205 if (labels && shadow_data->labels) {
2206 for (i=0;i<shadow_data->num_volumes;i++) {
2207 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2208 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2209 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2210 }
2211 }
2212
2213 talloc_destroy(shadow_data->mem_ctx);
2214
2215 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2216
2217 return -1;
2218 }
2219
2220 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2221 {
2222 /* pretend this succeeded -
2223 *
2224 * we have to send back a list with all files owned by this SID
2225 *
2226 * but I have to check that --metze
2227 */
2228 DOM_SID sid;
2229 uid_t uid;
2230 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2231
2232 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2233
2234 FSP_BELONGS_CONN(fsp,conn);
2235
2236 /* unknown 4 bytes: this is not the length of the sid :-( */
2237 /*unknown = IVAL(pdata,0);*/
2238
2239 sid_parse(pdata+4,sid_len,&sid);
2240 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2241
2242 if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
2243 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2244 sid_string_static(&sid),(unsigned long)sid_len));
2245 uid = (-1);
2246 }
2247
2248 /* we can take a look at the find source :-)
2249 *
2250 * find ./ -uid $uid -name '*' is what we need here
2251 *
2252 *
2253 * and send 4bytes len and then NULL terminated unicode strings
2254 * for each file
2255 *
2256 * but I don't know how to deal with the paged results
2257 * (maybe we can hang the result anywhere in the fsp struct)
2258 *
2259 * we don't send all files at once
2260 * and at the next we should *not* start from the beginning,
2261 * so we have to cache the result
2262 *
2263 * --metze
2264 */
2265
2266 /* this works for now... */
2267 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2268 return -1;
2269 }
2270 default:
2271 if (!logged_message) {
2272 logged_message = True; /* Only print this once... */
2273 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2274 function));
2275 }
2276 }
2277
2278 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2279 }
2280
2281
2282 #ifdef HAVE_SYS_QUOTAS
2283 /****************************************************************************
2284 Reply to get user quota
2285 ****************************************************************************/
2286
2287 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2288 char **ppsetup, uint32 setup_count,
2289 char **ppparams, uint32 parameter_count,
2290 char **ppdata, uint32 data_count, uint32 max_data_count)
2291 {
2292 NTSTATUS nt_status = NT_STATUS_OK;
2293 char *params = *ppparams;
2294 char *pdata = *ppdata;
2295 char *entry;
2296 int data_len=0,param_len=0;
2297 int qt_len=0;
2298 int entry_len = 0;
2299 files_struct *fsp = NULL;
2300 uint16 level = 0;
2301 size_t sid_len;
2302 DOM_SID sid;
2303 BOOL start_enum = True;
2304 SMB_NTQUOTA_STRUCT qt;
2305 SMB_NTQUOTA_LIST *tmp_list;
2306 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2307 extern struct current_user current_user;
2308
2309 ZERO_STRUCT(qt);
2310
2311 /* access check */
2312 if (current_user.uid != 0) {
2313 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2314 lp_servicename(SNUM(conn)),conn->user));
2315 return ERROR_DOS(ERRDOS,ERRnoaccess);
2316 }
2317
2318 /*
2319 * Ensure minimum number of parameters sent.
2320 */
2321
2322 if (parameter_count < 4) {
2323 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2324 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2325 }
2326
2327 /* maybe we can check the quota_fnum */
2328 fsp = file_fsp(params,0);
2329 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2330 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2331 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2332 }
2333
2334 /* the NULL pointer cheking for fsp->fake_file_handle->pd
2335 * is done by CHECK_NTQUOTA_HANDLE_OK()
2336 */
2337 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2338
2339 level = SVAL(params,2);
2340
2341 /* unknown 12 bytes leading in params */
2342
2343 switch (level) {
2344 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2345 /* seems that we should continue with the enum here --metze */
2346
2347 if (qt_handle->quota_list!=NULL &&
2348 qt_handle->tmp_list==NULL) {
2349
2350 /* free the list */
2351 free_ntquota_list(&(qt_handle->quota_list));
2352
2353 /* Realloc the size of parameters and data we will return */
2354 param_len = 4;
2355 params = nttrans_realloc(ppparams, param_len);
2356 if(params == NULL)
2357 return ERROR_DOS(ERRDOS,ERRnomem);
2358
2359 data_len = 0;
2360 SIVAL(params,0,data_len);
2361
2362 break;
2363 }
2364
2365 start_enum = False;
2366
2367 case TRANSACT_GET_USER_QUOTA_LIST_START:
2368
2369 if (qt_handle->quota_list==NULL &&
2370 qt_handle->tmp_list==NULL) {
2371 start_enum = True;
2372 }
2373
2374 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2375 return ERROR_DOS(ERRSRV,ERRerror);
2376
2377 /* Realloc the size of parameters and data we will return */
2378 param_len = 4;
2379 params = nttrans_realloc(ppparams, param_len);
2380 if(params == NULL)
2381 return ERROR_DOS(ERRDOS,ERRnomem);
2382
2383 /* we should not trust the value in max_data_count*/
2384 max_data_count = MIN(max_data_count,2048);
2385
2386 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2387 if(pdata == NULL)
2388 return ERROR_DOS(ERRDOS,ERRnomem);
2389
2390 entry = pdata;
2391
2392
2393 /* set params Size of returned Quota Data 4 bytes*/
2394 /* but set it later when we know it */
2395
2396 /* for each entry push the data */
2397
2398 if (start_enum) {
2399 qt_handle->tmp_list = qt_handle->quota_list;
2400 }
2401
2402 tmp_list = qt_handle->tmp_list;
2403
2404 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2405 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2406
2407 sid_len = sid_size(&tmp_list->quotas->sid);
2408 entry_len = 40 + sid_len;
2409
2410 /* nextoffset entry 4 bytes */
2411 SIVAL(entry,0,entry_len);
2412
2413 /* then the len of the SID 4 bytes */
2414 SIVAL(entry,4,sid_len);
2415
2416 /* unknown data 8 bytes SMB_BIG_UINT */
2417 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2418
2419 /* the used disk space 8 bytes SMB_BIG_UINT */
2420 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2421
2422 /* the soft quotas 8 bytes SMB_BIG_UINT */
2423 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2424
2425 /* the hard quotas 8 bytes SMB_BIG_UINT */
2426 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2427
2428 /* and now the SID */
2429 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2430 }
2431
2432 qt_handle->tmp_list = tmp_list;
2433
2434 /* overwrite the offset of the last entry */
2435 SIVAL(entry-entry_len,0,0);
2436
2437 data_len = 4+qt_len;
2438 /* overwrite the params quota_data_len */
2439 SIVAL(params,0,data_len);
2440
2441 break;
2442
2443 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2444
2445 /* unknown 4 bytes IVAL(pdata,0) */
2446
2447 if (data_count < 8) {
2448 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2449 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2450 }
2451
2452 sid_len = IVAL(pdata,4);
2453 /* Ensure this is less than 1mb. */
2454 if (sid_len > (1024*1024)) {
2455 return ERROR_DOS(ERRDOS,ERRnomem);
2456 }
2457
2458 if (data_count < 8+sid_len) {
2459 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2460 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2461 }
2462
2463 data_len = 4+40+sid_len;
2464
2465 if (max_data_count < data_len) {
2466 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2467 max_data_count, data_len));
2468 param_len = 4;
2469 SIVAL(params,0,data_len);
2470 data_len = 0;
2471 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2472 break;
2473 }
2474
2475 sid_parse(pdata+8,sid_len,&sid);
2476
2477
2478 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2479 ZERO_STRUCT(qt);
2480 /*
2481 * we have to return zero's in all fields
2482 * instead of returning an error here
2483 * --metze
2484 */
2485 }
2486
2487 /* Realloc the size of parameters and data we will return */
2488 param_len = 4;
2489 params = nttrans_realloc(ppparams, param_len);
2490 if(params == NULL)
2491 return ERROR_DOS(ERRDOS,ERRnomem);
2492
2493 pdata = nttrans_realloc(ppdata, data_len);
2494 if(pdata == NULL)
2495 return ERROR_DOS(ERRDOS,ERRnomem);
2496
2497 entry = pdata;
2498
2499 /* set params Size of returned Quota Data 4 bytes*/
2500 SIVAL(params,0,data_len);
2501
2502 /* nextoffset entry 4 bytes */
2503 SIVAL(entry,0,0);
2504
2505 /* then the len of the SID 4 bytes */
2506 SIVAL(entry,4,sid_len);
2507
2508 /* unknown data 8 bytes SMB_BIG_UINT */
2509 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2510
2511 /* the used disk space 8 bytes SMB_BIG_UINT */
2512 SBIG_UINT(entry,16,qt.usedspace);
2513
2514 /* the soft quotas 8 bytes SMB_BIG_UINT */
2515 SBIG_UINT(entry,24,qt.softlim);
2516
2517 /* the hard quotas 8 bytes SMB_BIG_UINT */
2518 SBIG_UINT(entry,32,qt.hardlim);
2519
2520 /* and now the SID */
2521 sid_linearize(entry+40, sid_len, &sid);
2522
2523 break;
2524
2525 default:
2526 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2527 return ERROR_DOS(ERRSRV,ERRerror);
2528 break;
2529 }
2530
2531 send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2532
2533 return -1;
2534 }
2535
2536 /****************************************************************************
2537 Reply to set user quota
2538 ****************************************************************************/
2539
2540 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2541 char **ppsetup, uint32 setup_count,
2542 char **ppparams, uint32 parameter_count,
2543 char **ppdata, uint32 data_count, uint32 max_data_count)
2544 {
2545 char *params = *ppparams;
2546 char *pdata = *ppdata;
2547 int data_len=0,param_len=0;
2548 SMB_NTQUOTA_STRUCT qt;
2549 size_t sid_len;
2550 DOM_SID sid;
2551 files_struct *fsp = NULL;
2552
2553 ZERO_STRUCT(qt);
2554
2555 /* access check */
2556 if (current_user.uid != 0) {
2557 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2558 lp_servicename(SNUM(conn)),conn->user));
2559 return ERROR_DOS(ERRDOS,ERRnoaccess);
2560 }
2561
2562 /*
2563 * Ensure minimum number of parameters sent.
2564 */
2565
2566 if (parameter_count < 2) {
2567 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2568 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2569 }
2570
2571 /* maybe we can check the quota_fnum */
2572 fsp = file_fsp(params,0);
2573 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2574 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2575 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2576 }
2577
2578 if (data_count < 40) {
2579 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2580 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2581 }
2582
2583 /* offset to next quota record.
2584 * 4 bytes IVAL(pdata,0)
2585 * unused here...
2586 */
2587
2588 /* sid len */
2589 sid_len = IVAL(pdata,4);
2590
2591 if (data_count < 40+sid_len) {
2592 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2593 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2594 }
2595
2596 /* unknown 8 bytes in pdata
2597 * maybe its the change time in NTTIME
2598 */
2599
2600 /* the used space 8 bytes (SMB_BIG_UINT)*/
2601 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2602 #ifdef LARGE_SMB_OFF_T
2603 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2604 #else /* LARGE_SMB_OFF_T */
2605 if ((IVAL(pdata,20) != 0)&&
2606 ((qt.usedspace != 0xFFFFFFFF)||
2607 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2608 /* more than 32 bits? */
2609 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2610 }
2611 #endif /* LARGE_SMB_OFF_T */
2612
2613 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2614 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2615 #ifdef LARGE_SMB_OFF_T
2616 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2617 #else /* LARGE_SMB_OFF_T */
2618 if ((IVAL(pdata,28) != 0)&&
2619 ((qt.softlim != 0xFFFFFFFF)||
2620 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2621 /* more than 32 bits? */
2622 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2623 }
2624 #endif /* LARGE_SMB_OFF_T */
2625
2626 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2627 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2628 #ifdef LARGE_SMB_OFF_T
2629 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2630 #else /* LARGE_SMB_OFF_T */
2631 if ((IVAL(pdata,36) != 0)&&
2632 ((qt.hardlim != 0xFFFFFFFF)||
2633 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2634 /* more than 32 bits? */
2635 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2636 }
2637 #endif /* LARGE_SMB_OFF_T */
2638
2639 sid_parse(pdata+40,sid_len,&sid);
2640 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2641
2642 /* 44 unknown bytes left... */
2643
2644 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2645 return ERROR_DOS(ERRSRV,ERRerror);
2646 }
2647
2648 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2649
2650 return -1;
2651 }
2652 #endif /* HAVE_SYS_QUOTAS */
2653
2654 /****************************************************************************
2655 Reply to a SMBNTtrans.
2656 ****************************************************************************/
2657
2658 int reply_nttrans(connection_struct *conn,
2659 char *inbuf,char *outbuf,int length,int bufsize)
2660 {
2661 int outsize = 0;
2662 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2663 #if 0 /* Not used. */
2664 uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2665 uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2666 #endif /* Not used. */
2667 uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2668 uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2669 uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2670 uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2671 uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2672 uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2673 uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2674 uint16 function_code = SVAL( inbuf, smb_nt_Function);
2675 char *params = NULL, *data = NULL, *setup = NULL;
2676 uint32 num_params_sofar, num_data_sofar;
2677 START_PROFILE(SMBnttrans);
2678
2679 if(global_oplock_break &&
2680 ((function_code == NT_TRANSACT_CREATE) ||
2681 (function_code == NT_TRANSACT_RENAME))) {
2682 /*
2683 * Queue this open message as we are the process of an oplock break.
2684 */
2685
2686 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2687 due to being in oplock break state.\n", (unsigned int)function_code ));
2688
2689 push_oplock_pending_smb_message( inbuf, length);
2690 END_PROFILE(SMBnttrans);
2691 return -1;
2692 }
2693
2694 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2695 END_PROFILE(SMBnttrans);
2696 return ERROR_DOS(ERRSRV,ERRaccess);
2697 }
2698
2699 outsize = set_message(outbuf,0,0,True);
2700
2701 /*
2702 * All nttrans messages we handle have smb_wct == 19 + setup_count.
2703 * Ensure this is so as a sanity check.
2704 */
2705
2706 if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2707 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2708 CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2709 goto bad_param;
2710 }
2711
2712 /* Don't allow more than 128mb for each value. */
2713 if ((total_parameter_count > (1024*1024*128)) || (total_data_count > (1024*1024*128))) {
2714 END_PROFILE(SMBnttrans);
2715 return ERROR_DOS(ERRDOS,ERRnomem);
2716 }
2717
2718 /* Allocate the space for the setup, the maximum needed parameters and data */
2719
2720 if(setup_count > 0)
2721 setup = (char *)SMB_MALLOC(setup_count);
2722 if (total_parameter_count > 0)
2723 params = (char *)SMB_MALLOC(total_parameter_count);
2724 if (total_data_count > 0)
2725 data = (char *)SMB_MALLOC(total_data_count);
2726
2727 if ((total_parameter_count && !params) || (total_data_count && !data) ||
2728 (setup_count && !setup)) {
2729 SAFE_FREE(setup);
2730 SAFE_FREE(params);
2731 SAFE_FREE(data);
2732 DEBUG(0,("reply_nttrans : Out of memory\n"));
2733 END_PROFILE(SMBnttrans);
2734 return ERROR_DOS(ERRDOS,ERRnomem);
2735 }
2736
2737 /* Copy the param and data bytes sent with this request into the params buffer */
2738 num_params_sofar = parameter_count;
2739 num_data_sofar = data_count;
2740
2741 if (parameter_count > total_parameter_count || data_count > total_data_count)
2742 goto bad_param;
2743
2744 if(setup) {
2745 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2746 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2747 (smb_nt_SetupStart + setup_count < setup_count))
2748 goto bad_param;
2749 if (smb_nt_SetupStart + setup_count > length)
2750 goto bad_param;
2751
2752 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2753 dump_data(10, setup, setup_count);
2754 }
2755 if(params) {
2756 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2757 if ((parameter_offset + parameter_count < parameter_offset) ||
2758 (parameter_offset + parameter_count < parameter_count))
2759 goto bad_param;
2760 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
2761 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2762 goto bad_param;
2763
2764 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2765 dump_data(10, params, parameter_count);
2766 }
2767 if(data) {
2768 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2769 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
2770 goto bad_param;
2771 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2772 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2773 goto bad_param;
2774
2775 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2776 dump_data(10, data, data_count);
2777 }
2778
2779 srv_signing_trans_start(SVAL(inbuf,smb_mid));
2780
2781 if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2782 /* We need to send an interim response then receive the rest
2783 of the parameter/data bytes */
2784 outsize = set_message(outbuf,0,0,True);
2785 srv_signing_trans_stop();
2786 if (!send_smb(smbd_server_fd(),outbuf))
2787 exit_server("reply_nttrans: send_smb failed.");
2788
2789 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2790 BOOL ret;
2791 uint32 parameter_displacement;
2792 uint32 data_displacement;
2793
2794 ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2795
2796 /*
2797 * The sequence number for the trans reply is always
2798 * based on the last secondary received.
2799 */
2800
2801 srv_signing_trans_start(SVAL(inbuf,smb_mid));
2802
2803 if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2804 outsize = set_message(outbuf,0,0,True);
2805 if(ret) {
2806 DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2807 } else {
2808 DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2809 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2810 }
2811 goto bad_param;
2812 }
2813
2814 /* Revise total_params and total_data in case they have changed downwards */
2815 if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
2816 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2817 if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
2818 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2819
2820 parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2821 parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2822 parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2823 num_params_sofar += parameter_count;
2824
2825 data_count = IVAL(inbuf, smb_nts_DataCount);
2826 data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2827 data_offset = IVAL(inbuf, smb_nts_DataOffset);
2828 num_data_sofar += data_count;
2829
2830 if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2831 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2832 goto bad_param;
2833 }
2834
2835 if (parameter_count) {
2836 if (parameter_displacement + parameter_count > total_parameter_count)
2837 goto bad_param;
2838 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2839 (parameter_displacement + parameter_count < parameter_count))
2840 goto bad_param;
2841 if (parameter_displacement > total_parameter_count)
2842 goto bad_param;
2843 if ((smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize) ||
2844 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2845 goto bad_param;
2846 if (parameter_displacement + params < params)
2847 goto bad_param;
2848
2849 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
2850 }
2851
2852 if (data_count) {
2853 if (data_displacement + data_count > total_data_count)
2854 goto bad_param;
2855 if ((data_displacement + data_count < data_displacement) ||
2856 (data_displacement + data_count < data_count))
2857 goto bad_param;
2858 if (data_displacement > total_data_count)
2859 goto bad_param;
2860 if ((smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize) ||
2861 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2862 goto bad_param;
2863 if (data_displacement + data < data)
2864 goto bad_param;
2865
2866 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
2867 }
2868 }
2869 }
2870
2871 if (Protocol >= PROTOCOL_NT1)
2872 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
2873
2874 /* Now we must call the relevant NT_TRANS function */
2875 switch(function_code) {
2876 case NT_TRANSACT_CREATE:
2877 START_PROFILE_NESTED(NT_transact_create);
2878 outsize = call_nt_transact_create(conn, inbuf, outbuf,
2879 length, bufsize,
2880 &setup, setup_count,
2881 &params, total_parameter_count,
2882 &data, total_data_count, max_data_count);
2883 END_PROFILE_NESTED(NT_transact_create);
2884 break;
2885 case NT_TRANSACT_IOCTL:
2886 START_PROFILE_NESTED(NT_transact_ioctl);
2887 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2888 length, bufsize,
2889 &setup, setup_count,
2890 &params, total_parameter_count,
2891 &data, total_data_count, max_data_count);
2892 END_PROFILE_NESTED(NT_transact_ioctl);
2893 break;
2894 case NT_TRANSACT_SET_SECURITY_DESC:
2895 START_PROFILE_NESTED(NT_transact_set_security_desc);
2896 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2897 length, bufsize,
2898 &setup, setup_count,
2899 &params, total_parameter_count,
2900 &data, total_data_count, max_data_count);
2901 END_PROFILE_NESTED(NT_transact_set_security_desc);
2902 break;
2903 case NT_TRANSACT_NOTIFY_CHANGE:
2904 START_PROFILE_NESTED(NT_transact_notify_change);
2905 outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2906 length, bufsize,
2907 &setup, setup_count,
2908 &params, total_parameter_count,
2909 &data, total_data_count, max_data_count);
2910 END_PROFILE_NESTED(NT_transact_notify_change);
2911 break;
2912 case NT_TRANSACT_RENAME:
2913 START_PROFILE_NESTED(NT_transact_rename);
2914 outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2915 length, bufsize,
2916 &setup, setup_count,
2917 &params, total_parameter_count,
2918 &data, total_data_count, max_data_count);
2919 END_PROFILE_NESTED(NT_transact_rename);
2920 break;
2921
2922 case NT_TRANSACT_QUERY_SECURITY_DESC:
2923 START_PROFILE_NESTED(NT_transact_query_security_desc);
2924 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2925 length, bufsize,
2926 &setup, setup_count,
2927 &params, total_parameter_count,
2928 &data, total_data_count, max_data_count);
2929 END_PROFILE_NESTED(NT_transact_query_security_desc);
2930 break;
2931 #ifdef HAVE_SYS_QUOTAS
2932 case NT_TRANSACT_GET_USER_QUOTA:
2933 START_PROFILE_NESTED(NT_transact_get_user_quota);
2934 outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2935 length, bufsize,
2936 &setup, setup_count,
2937 &params, total_parameter_count,
2938 &data, total_data_count, max_data_count);
2939 END_PROFILE_NESTED(NT_transact_get_user_quota);
2940 break;
2941 case NT_TRANSACT_SET_USER_QUOTA:
2942 START_PROFILE_NESTED(NT_transact_set_user_quota);
2943 outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2944 length, bufsize,
2945 &setup, setup_count,
2946 &params, total_parameter_count,
2947 &data, total_data_count, max_data_count);
2948 END_PROFILE_NESTED(NT_transact_set_user_quota);
2949 break;
2950 #endif /* HAVE_SYS_QUOTAS */
2951 default:
2952 /* Error in request */
2953 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
2954 SAFE_FREE(setup);
2955 SAFE_FREE(params);
2956 SAFE_FREE(data);
2957 END_PROFILE(SMBnttrans);
2958 srv_signing_trans_stop();
2959 return ERROR_DOS(ERRSRV,ERRerror);
2960 }
2961
2962 /* As we do not know how many data packets will need to be
2963 returned here the various call_nt_transact_xxxx calls
2964 must send their own. Thus a call_nt_transact_xxxx routine only
2965 returns a value other than -1 when it wants to send
2966 an error packet.
2967 */
2968
2969 srv_signing_trans_stop();
2970
2971 SAFE_FREE(setup);
2972 SAFE_FREE(params);
2973 SAFE_FREE(data);
2974 END_PROFILE(SMBnttrans);
2975 return outsize; /* If a correct response was needed the call_nt_transact_xxxx
2976 calls have already sent it. If outsize != -1 then it is
2977 returning an error packet. */
2978
2979 bad_param:
2980
2981 srv_signing_trans_stop();
2982 SAFE_FREE(params);
2983 SAFE_FREE(data);
2984 SAFE_FREE(setup);
2985 END_PROFILE(SMBnttrans);
2986 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2987 }
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