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r481: Fix up assert caught by check_path_syntax.
[Samba/gebeck_regimport.git] / source / smbd / nttrans.c
blob7e4cac7b38510d76a79844cf4e51a33593bf9a04
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 int Protocol;
25 extern int smb_read_error;
26 extern int global_oplock_break;
27 extern BOOL case_sensitive;
28 extern BOOL case_preserve;
29 extern BOOL short_case_preserve;
30 extern struct current_user current_user;
31
32 static const char *known_nt_pipes[] = {
33 "\\LANMAN",
34 "\\srvsvc",
35 "\\samr",
36 "\\wkssvc",
37 "\\NETLOGON",
38 "\\ntlsa",
39 "\\ntsvcs",
40 "\\lsass",
41 "\\lsarpc",
42 "\\winreg",
43 "\\spoolss",
44 "\\netdfs",
45 "\\rpcecho",
46 NULL
47 };
48
49 /* Map generic permissions to file object specific permissions */
50
51 struct generic_mapping file_generic_mapping = {
52 FILE_GENERIC_READ,
53 FILE_GENERIC_WRITE,
54 FILE_GENERIC_EXECUTE,
55 FILE_GENERIC_ALL
56 };
57
58 static char *nttrans_realloc(char **ptr, size_t size)
59 {
60 char *tptr = NULL;
61 if (ptr==NULL)
62 smb_panic("nttrans_realloc() called with NULL ptr\n");
63
64 tptr = Realloc_zero(*ptr, size);
65 if(tptr == NULL) {
66 *ptr = NULL;
67 return NULL;
68 }
69
70 *ptr = tptr;
71
72 return tptr;
73 }
74
75
76 /****************************************************************************
77 Send the required number of replies back.
78 We assume all fields other than the data fields are
79 set correctly for the type of call.
80 HACK ! Always assumes smb_setup field is zero.
81 ****************************************************************************/
82
83 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
84 int paramsize, char *pdata, int datasize)
85 {
86 extern int max_send;
87 int data_to_send = datasize;
88 int params_to_send = paramsize;
89 int useable_space;
90 char *pp = params;
91 char *pd = pdata;
92 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
93 int alignment_offset = 3;
94 int data_alignment_offset = 0;
95
96 /*
97 * Initially set the wcnt area to be 18 - this is true for all
98 * transNT replies.
99 */
100
101 set_message(outbuf,18,0,True);
102
103 if (NT_STATUS_V(nt_error))
104 ERROR_NT(nt_error);
105
106 /*
107 * If there genuinely are no parameters or data to send just send
108 * the empty packet.
109 */
110
111 if(params_to_send == 0 && data_to_send == 0) {
112 if (!send_smb(smbd_server_fd(),outbuf))
113 exit_server("send_nt_replies: send_smb failed.");
114 return 0;
115 }
116
117 /*
118 * When sending params and data ensure that both are nicely aligned.
119 * Only do this alignment when there is also data to send - else
120 * can cause NT redirector problems.
121 */
122
123 if (((params_to_send % 4) != 0) && (data_to_send != 0))
124 data_alignment_offset = 4 - (params_to_send % 4);
125
126 /*
127 * Space is bufsize minus Netbios over TCP header minus SMB header.
128 * The alignment_offset is to align the param bytes on a four byte
129 * boundary (2 bytes for data len, one byte pad).
130 * NT needs this to work correctly.
131 */
132
133 useable_space = bufsize - ((smb_buf(outbuf)+
134 alignment_offset+data_alignment_offset) -
135 outbuf);
136
137 /*
138 * useable_space can never be more than max_send minus the
139 * alignment offset.
140 */
141
142 useable_space = MIN(useable_space,
143 max_send - (alignment_offset+data_alignment_offset));
144
145
146 while (params_to_send || data_to_send) {
147
148 /*
149 * Calculate whether we will totally or partially fill this packet.
150 */
151
152 total_sent_thistime = params_to_send + data_to_send +
153 alignment_offset + data_alignment_offset;
154
155 /*
156 * We can never send more than useable_space.
157 */
158
159 total_sent_thistime = MIN(total_sent_thistime, useable_space);
160
161 set_message(outbuf, 18, total_sent_thistime, True);
162
163 /*
164 * Set total params and data to be sent.
165 */
166
167 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
168 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
169
170 /*
171 * Calculate how many parameters and data we can fit into
172 * this packet. Parameters get precedence.
173 */
174
175 params_sent_thistime = MIN(params_to_send,useable_space);
176 data_sent_thistime = useable_space - params_sent_thistime;
177 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
178
179 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
180
181 if(params_sent_thistime == 0) {
182 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
183 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
184 } else {
185 /*
186 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
187 * parameter bytes, however the first 4 bytes of outbuf are
188 * the Netbios over TCP header. Thus use smb_base() to subtract
189 * them from the calculation.
190 */
191
192 SIVAL(outbuf,smb_ntr_ParameterOffset,
193 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
194 /*
195 * Absolute displacement of param bytes sent in this packet.
196 */
197
198 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
199 }
200
201 /*
202 * Deal with the data portion.
203 */
204
205 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
206
207 if(data_sent_thistime == 0) {
208 SIVAL(outbuf,smb_ntr_DataOffset,0);
209 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
210 } else {
211 /*
212 * The offset of the data bytes is the offset of the
213 * parameter bytes plus the number of parameters being sent this time.
214 */
215
216 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
217 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
218 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
219 }
220
221 /*
222 * Copy the param bytes into the packet.
223 */
224
225 if(params_sent_thistime)
226 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
227
228 /*
229 * Copy in the data bytes
230 */
231
232 if(data_sent_thistime)
233 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
234 data_alignment_offset,pd,data_sent_thistime);
235
236 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
237 params_sent_thistime, data_sent_thistime, useable_space));
238 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
239 params_to_send, data_to_send, paramsize, datasize));
240
241 /* Send the packet */
242 if (!send_smb(smbd_server_fd(),outbuf))
243 exit_server("send_nt_replies: send_smb failed.");
244
245 pp += params_sent_thistime;
246 pd += data_sent_thistime;
247
248 params_to_send -= params_sent_thistime;
249 data_to_send -= data_sent_thistime;
250
251 /*
252 * Sanity check
253 */
254
255 if(params_to_send < 0 || data_to_send < 0) {
256 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
257 params_to_send, data_to_send));
258 return -1;
259 }
260 }
261
262 return 0;
263 }
264
265 /****************************************************************************
266 Save case statics.
267 ****************************************************************************/
268
269 static BOOL saved_case_sensitive;
270 static BOOL saved_case_preserve;
271 static BOOL saved_short_case_preserve;
272
273 /****************************************************************************
274 Save case semantics.
275 ****************************************************************************/
276
277 static void set_posix_case_semantics(uint32 file_attributes)
278 {
279 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
280 return;
281
282 saved_case_sensitive = case_sensitive;
283 saved_case_preserve = case_preserve;
284 saved_short_case_preserve = short_case_preserve;
285
286 /* Set to POSIX. */
287 case_sensitive = True;
288 case_preserve = True;
289 short_case_preserve = True;
290 }
291
292 /****************************************************************************
293 Restore case semantics.
294 ****************************************************************************/
295
296 static void restore_case_semantics(uint32 file_attributes)
297 {
298 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
299 return;
300
301 case_sensitive = saved_case_sensitive;
302 case_preserve = saved_case_preserve;
303 short_case_preserve = saved_short_case_preserve;
304 }
305
306 /****************************************************************************
307 Utility function to map create disposition.
308 ****************************************************************************/
309
310 static int map_create_disposition( uint32 create_disposition)
311 {
312 int ret;
313
314 switch( create_disposition ) {
315 case FILE_CREATE:
316 /* create if not exist, fail if exist */
317 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
318 break;
319 case FILE_SUPERSEDE:
320 case FILE_OVERWRITE_IF:
321 /* create if not exist, trunc if exist */
322 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
323 break;
324 case FILE_OPEN:
325 /* fail if not exist, open if exists */
326 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
327 break;
328 case FILE_OPEN_IF:
329 /* create if not exist, open if exists */
330 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
331 break;
332 case FILE_OVERWRITE:
333 /* fail if not exist, truncate if exists */
334 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
335 break;
336 default:
337 DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
338 create_disposition ));
339 return -1;
340 }
341
342 DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
343 (unsigned long)create_disposition, ret ));
344
345 return ret;
346 }
347
348 /****************************************************************************
349 Utility function to map share modes.
350 ****************************************************************************/
351
352 static int map_share_mode( char *fname, uint32 create_options,
353 uint32 *desired_access, uint32 share_access, uint32 file_attributes)
354 {
355 int smb_open_mode = -1;
356 uint32 original_desired_access = *desired_access;
357
358 /*
359 * Convert GENERIC bits to specific bits.
360 */
361
362 se_map_generic(desired_access, &file_generic_mapping);
363
364 switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
365 case FILE_READ_DATA:
366 smb_open_mode = DOS_OPEN_RDONLY;
367 break;
368 case FILE_WRITE_DATA:
369 case FILE_APPEND_DATA:
370 case FILE_WRITE_DATA|FILE_APPEND_DATA:
371 smb_open_mode = DOS_OPEN_WRONLY;
372 break;
373 case FILE_READ_DATA|FILE_WRITE_DATA:
374 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
375 case FILE_READ_DATA|FILE_APPEND_DATA:
376 smb_open_mode = DOS_OPEN_RDWR;
377 break;
378 }
379
380 /*
381 * NB. For DELETE_ACCESS we should really check the
382 * directory permissions, as that is what controls
383 * delete, and for WRITE_DAC_ACCESS we should really
384 * check the ownership, as that is what controls the
385 * chmod. Note that this is *NOT* a security hole (this
386 * note is for you, Andrew) as we are not *allowing*
387 * the access at this point, the actual unlink or
388 * chown or chmod call would do this. We are just helping
389 * clients out by telling them if they have a hope
390 * of any of this succeeding. POSIX acls may still
391 * deny the real call. JRA.
392 */
393
394 if (smb_open_mode == -1) {
395
396 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
397 FILE_EXECUTE|FILE_READ_ATTRIBUTES|
398 FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
399 FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
400 smb_open_mode = DOS_OPEN_RDONLY;
401 } else if(*desired_access == 0) {
402
403 /*
404 * JRA - NT seems to sometimes send desired_access as zero. play it safe
405 * and map to a stat open.
406 */
407
408 smb_open_mode = DOS_OPEN_RDONLY;
409
410 } else {
411 DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
412 (unsigned long)*desired_access, fname));
413 return -1;
414 }
415 }
416
417 /*
418 * Set the special bit that means allow share delete.
419 * This is held outside the normal share mode bits at 1<<15.
420 * JRA.
421 */
422
423 if(share_access & FILE_SHARE_DELETE) {
424 smb_open_mode |= ALLOW_SHARE_DELETE;
425 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
426 }
427
428 if(*desired_access & DELETE_ACCESS) {
429 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
430 }
431
432 /*
433 * We need to store the intent to open for Delete. This
434 * is what determines if a delete on close flag can be set.
435 * This is the wrong way (and place) to store this, but for 2.2 this
436 * is the only practical way. JRA.
437 */
438
439 if (create_options & FILE_DELETE_ON_CLOSE) {
440 /*
441 * W2K3 bug compatibility mode... To set delete on close
442 * the redirector must have *specifically* set DELETE_ACCESS
443 * in the desired_access field. Just asking for GENERIC_ALL won't do. JRA.
444 */
445
446 if (!(original_desired_access & DELETE_ACCESS)) {
447 DEBUG(5,("map_share_mode: FILE_DELETE_ON_CLOSE requested without \
448 DELETE_ACCESS for file %s. (desired_access = 0x%lx)\n",
449 fname, (unsigned long)*desired_access));
450 return -1;
451 }
452 /* Implicit delete access is *NOT* requested... */
453 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
454 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
455 }
456
457 /* Add in the requested share mode. */
458 switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
459 case FILE_SHARE_READ:
460 smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
461 break;
462 case FILE_SHARE_WRITE:
463 smb_open_mode |= SET_DENY_MODE(DENY_READ);
464 break;
465 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
466 smb_open_mode |= SET_DENY_MODE(DENY_NONE);
467 break;
468 case FILE_SHARE_NONE:
469 smb_open_mode |= SET_DENY_MODE(DENY_ALL);
470 break;
471 }
472
473 /*
474 * Handle an O_SYNC request.
475 */
476
477 if(file_attributes & FILE_FLAG_WRITE_THROUGH)
478 smb_open_mode |= FILE_SYNC_OPENMODE;
479
480 DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
481 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
482 (unsigned long)file_attributes, smb_open_mode ));
483
484 return smb_open_mode;
485 }
486
487 /****************************************************************************
488 Reply to an NT create and X call on a pipe.
489 ****************************************************************************/
490
491 static int nt_open_pipe(char *fname, connection_struct *conn,
492 char *inbuf, char *outbuf, int *ppnum)
493 {
494 smb_np_struct *p = NULL;
495
496 uint16 vuid = SVAL(inbuf, smb_uid);
497 int i;
498
499 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
500
501 /* See if it is one we want to handle. */
502
503 if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
504 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
505
506 for( i = 0; known_nt_pipes[i]; i++ )
507 if( strequal(fname,known_nt_pipes[i]))
508 break;
509
510 if ( known_nt_pipes[i] == NULL )
511 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
512
513 /* Strip \\ off the name. */
514 fname++;
515
516 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
517
518 p = open_rpc_pipe_p(fname, conn, vuid);
519 if (!p)
520 return(ERROR_DOS(ERRSRV,ERRnofids));
521
522 *ppnum = p->pnum;
523
524 return 0;
525 }
526
527 /****************************************************************************
528 Reply to an NT create and X call for pipes.
529 ****************************************************************************/
530
531 static int do_ntcreate_pipe_open(connection_struct *conn,
532 char *inbuf,char *outbuf,int length,int bufsize)
533 {
534 pstring fname;
535 int ret;
536 int pnum = -1;
537 char *p = NULL;
538
539 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
540
541 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
542 return ret;
543
544 /*
545 * Deal with pipe return.
546 */
547
548 set_message(outbuf,34,0,True);
549
550 p = outbuf + smb_vwv2;
551 p++;
552 SSVAL(p,0,pnum);
553 p += 2;
554 SIVAL(p,0,FILE_WAS_OPENED);
555 p += 4;
556 p += 32;
557 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
558 p += 20;
559 /* File type. */
560 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
561 /* Device state. */
562 SSVAL(p,2, 0x5FF); /* ? */
563
564 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
565
566 return chain_reply(inbuf,outbuf,length,bufsize);
567 }
568
569 /****************************************************************************
570 Reply to an NT create and X call.
571 ****************************************************************************/
572
573 int reply_ntcreate_and_X(connection_struct *conn,
574 char *inbuf,char *outbuf,int length,int bufsize)
575 {
576 int result;
577 pstring fname;
578 enum FAKE_FILE_TYPE fake_file_type = FAKE_FILE_TYPE_NONE;
579 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
580 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
581 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
582 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
583 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
584 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
585 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
586 SMB_BIG_UINT allocation_size = 0;
587 int smb_ofun;
588 int smb_open_mode;
589 /* Breakout the oplock request bits so we can set the
590 reply bits separately. */
591 int oplock_request = 0;
592 int fmode=0,rmode=0;
593 SMB_OFF_T file_len = 0;
594 SMB_STRUCT_STAT sbuf;
595 int smb_action = 0;
596 BOOL bad_path = False;
597 files_struct *fsp=NULL;
598 char *p = NULL;
599 time_t c_time;
600 BOOL extended_oplock_granted = False;
601 NTSTATUS status;
602
603 START_PROFILE(SMBntcreateX);
604
605 DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
606 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
607 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
608 share_access, create_disposition,
609 create_options, root_dir_fid ));
610
611 /* If it's an IPC, use the pipe handler. */
612
613 if (IS_IPC(conn)) {
614 if (lp_nt_pipe_support()) {
615 END_PROFILE(SMBntcreateX);
616 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
617 } else {
618 END_PROFILE(SMBntcreateX);
619 return(ERROR_DOS(ERRDOS,ERRnoaccess));
620 }
621 }
622
623 if (create_options & FILE_OPEN_BY_FILE_ID) {
624 END_PROFILE(SMBntcreateX);
625 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
626 }
627
628 /*
629 * We need to construct the open_and_X ofun value from the
630 * NT values, as that's what our code is structured to accept.
631 */
632
633 if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
634 END_PROFILE(SMBntcreateX);
635 return(ERROR_DOS(ERRDOS,ERRnoaccess));
636 }
637
638 /*
639 * Get the file name.
640 */
641
642 if(root_dir_fid != 0) {
643 /*
644 * This filename is relative to a directory fid.
645 */
646 pstring rel_fname;
647 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
648 size_t dir_name_len;
649
650 if(!dir_fsp) {
651 END_PROFILE(SMBntcreateX);
652 return(ERROR_DOS(ERRDOS,ERRbadfid));
653 }
654
655 if(!dir_fsp->is_directory) {
656
657 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
658 if (!NT_STATUS_IS_OK(status)) {
659 END_PROFILE(SMBntcreateX);
660 return ERROR_NT(status);
661 }
662
663 /*
664 * Check to see if this is a mac fork of some kind.
665 */
666
667 if( strchr_m(fname, ':')) {
668 END_PROFILE(SMBntcreateX);
669 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
670 }
671
672 /*
673 we need to handle the case when we get a
674 relative open relative to a file and the
675 pathname is blank - this is a reopen!
676 (hint from demyn plantenberg)
677 */
678
679 END_PROFILE(SMBntcreateX);
680 return(ERROR_DOS(ERRDOS,ERRbadfid));
681 }
682
683 /*
684 * Copy in the base directory name.
685 */
686
687 pstrcpy( fname, dir_fsp->fsp_name );
688 dir_name_len = strlen(fname);
689
690 /*
691 * Ensure it ends in a '\'.
692 */
693
694 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
695 pstrcat(fname, "\\");
696 dir_name_len++;
697 }
698
699 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
700 if (!NT_STATUS_IS_OK(status)) {
701 END_PROFILE(SMBntcreateX);
702 return ERROR_NT(status);
703 }
704 pstrcat(fname, rel_fname);
705 } else {
706 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
707 if (!NT_STATUS_IS_OK(status)) {
708 END_PROFILE(SMBntcreateX);
709 return ERROR_NT(status);
710 }
711
712 /*
713 * Check to see if this is a mac fork of some kind.
714 */
715
716 if( strchr_m(fname, ':')) {
717
718 #ifdef HAVE_SYS_QUOTAS
719 if ((fake_file_type=is_fake_file(fname))!=FAKE_FILE_TYPE_NONE) {
720 /*
721 * here we go! support for changing the disk quotas --metze
722 *
723 * we need to fake up to open this MAGIC QUOTA file
724 * and return a valid FID
725 *
726 * w2k close this file directly after openening
727 * xp also tries a QUERY_FILE_INFO on the file and then close it
728 */
729 } else {
730 #endif
731 END_PROFILE(SMBntcreateX);
732 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
733 #ifdef HAVE_SYS_QUOTAS
734 }
735 #endif
736 }
737 }
738
739 /*
740 * Now contruct the smb_open_mode value from the filename,
741 * desired access and the share access.
742 */
743 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
744
745 if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
746 share_access,
747 file_attributes)) == -1) {
748 END_PROFILE(SMBntcreateX);
749 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
750 }
751
752 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
753 if (oplock_request) {
754 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
755 }
756
757 /*
758 * Ordinary file or directory.
759 */
760
761 /*
762 * Check if POSIX semantics are wanted.
763 */
764
765 set_posix_case_semantics(file_attributes);
766
767 unix_convert(fname,conn,0,&bad_path,&sbuf);
768
769 /*
770 * If it's a request for a directory open, deal with it separately.
771 */
772
773 if(create_options & FILE_DIRECTORY_FILE) {
774 oplock_request = 0;
775
776 /* Can't open a temp directory. IFS kit test. */
777 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
778 END_PROFILE(SMBntcreateX);
779 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
780 }
781
782 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
783
784 restore_case_semantics(file_attributes);
785
786 if(!fsp) {
787 END_PROFILE(SMBntcreateX);
788 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
789 }
790 } else {
791 /*
792 * Ordinary file case.
793 */
794
795 /* NB. We have a potential bug here. If we
796 * cause an oplock break to ourselves, then we
797 * could end up processing filename related
798 * SMB requests whilst we await the oplock
799 * break response. As we may have changed the
800 * filename case semantics to be POSIX-like,
801 * this could mean a filename request could
802 * fail when it should succeed. This is a rare
803 * condition, but eventually we must arrange
804 * to restore the correct case semantics
805 * before issuing an oplock break request to
806 * our client. JRA. */
807
808 if (fake_file_type==FAKE_FILE_TYPE_NONE) {
809 fsp = open_file_shared1(conn,fname,&sbuf,
810 desired_access,
811 smb_open_mode,
812 smb_ofun,file_attributes,oplock_request,
813 &rmode,&smb_action);
814 } else {
815 /* to open a fake_file --metze */
816 fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
817 desired_access,
818 smb_open_mode,
819 smb_ofun,file_attributes, oplock_request,
820 &rmode,&smb_action);
821 }
822
823 if (!fsp) {
824 /* We cheat here. There are two cases we
825 * care about. One is a directory rename,
826 * where the NT client will attempt to
827 * open the source directory for
828 * DELETE access. Note that when the
829 * NT client does this it does *not*
830 * set the directory bit in the
831 * request packet. This is translated
832 * into a read/write open
833 * request. POSIX states that any open
834 * for write request on a directory
835 * will generate an EISDIR error, so
836 * we can catch this here and open a
837 * pseudo handle that is flagged as a
838 * directory. The second is an open
839 * for a permissions read only, which
840 * we handle in the open_file_stat case. JRA.
841 */
842
843 if(errno == EISDIR) {
844
845 /*
846 * Fail the open if it was explicitly a non-directory file.
847 */
848
849 if (create_options & FILE_NON_DIRECTORY_FILE) {
850 restore_case_semantics(file_attributes);
851 SSVAL(outbuf, smb_flg2,
852 SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
853 END_PROFILE(SMBntcreateX);
854 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
855 }
856
857 oplock_request = 0;
858 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
859
860 if(!fsp) {
861 restore_case_semantics(file_attributes);
862 END_PROFILE(SMBntcreateX);
863 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
864 }
865 } else {
866
867 restore_case_semantics(file_attributes);
868 END_PROFILE(SMBntcreateX);
869 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
870 }
871 }
872 }
873
874 restore_case_semantics(file_attributes);
875
876 file_len = sbuf.st_size;
877 fmode = dos_mode(conn,fname,&sbuf);
878 if(fmode == 0)
879 fmode = FILE_ATTRIBUTE_NORMAL;
880 if (!fsp->is_directory && (fmode & aDIR)) {
881 close_file(fsp,False);
882 END_PROFILE(SMBntcreateX);
883 return ERROR_DOS(ERRDOS,ERRnoaccess);
884 }
885
886 /* Save the requested allocation size. */
887 allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
888 #ifdef LARGE_SMB_OFF_T
889 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
890 #endif
891 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
892 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
893 if (fsp->is_directory) {
894 close_file(fsp,False);
895 END_PROFILE(SMBntcreateX);
896 /* Can't set allocation size on a directory. */
897 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
898 }
899 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
900 close_file(fsp,False);
901 END_PROFILE(SMBntcreateX);
902 return ERROR_NT(NT_STATUS_DISK_FULL);
903 }
904 } else {
905 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
906 }
907
908 /*
909 * If the caller set the extended oplock request bit
910 * and we granted one (by whatever means) - set the
911 * correct bit for extended oplock reply.
912 */
913
914 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
915 extended_oplock_granted = True;
916
917 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
918 extended_oplock_granted = True;
919
920 #if 0
921 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
922 set_message(outbuf,42,0,True);
923 #else
924 set_message(outbuf,34,0,True);
925 #endif
926
927 p = outbuf + smb_vwv2;
928
929 /*
930 * Currently as we don't support level II oplocks we just report
931 * exclusive & batch here.
932 */
933
934 if (extended_oplock_granted) {
935 if (flags & REQUEST_BATCH_OPLOCK) {
936 SCVAL(p,0, BATCH_OPLOCK_RETURN);
937 } else {
938 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
939 }
940 } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
941 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
942 } else {
943 SCVAL(p,0,NO_OPLOCK_RETURN);
944 }
945
946 p++;
947 SSVAL(p,0,fsp->fnum);
948 p += 2;
949 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
950 SIVAL(p,0,FILE_WAS_SUPERSEDED);
951 else
952 SIVAL(p,0,smb_action);
953 p += 4;
954
955 /* Create time. */
956 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
957
958 if (lp_dos_filetime_resolution(SNUM(conn))) {
959 c_time &= ~1;
960 sbuf.st_atime &= ~1;
961 sbuf.st_mtime &= ~1;
962 sbuf.st_mtime &= ~1;
963 }
964
965 put_long_date(p,c_time);
966 p += 8;
967 put_long_date(p,sbuf.st_atime); /* access time */
968 p += 8;
969 put_long_date(p,sbuf.st_mtime); /* write time */
970 p += 8;
971 put_long_date(p,sbuf.st_mtime); /* change time */
972 p += 8;
973 SIVAL(p,0,fmode); /* File Attributes. */
974 p += 4;
975 SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
976 p += 8;
977 SOFF_T(p,0,file_len);
978 p += 8;
979 if (flags & EXTENDED_RESPONSE_REQUIRED)
980 SSVAL(p,2,0x7);
981 p += 4;
982 SCVAL(p,0,fsp->is_directory ? 1 : 0);
983
984 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
985
986 result = chain_reply(inbuf,outbuf,length,bufsize);
987 END_PROFILE(SMBntcreateX);
988 return result;
989 }
990
991 /****************************************************************************
992 Reply to a NT_TRANSACT_CREATE call to open a pipe.
993 ****************************************************************************/
994
995 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
996 char **ppsetup, uint32 setup_count,
997 char **ppparams, uint32 parameter_count,
998 char **ppdata, uint32 data_count)
999 {
1000 pstring fname;
1001 char *params = *ppparams;
1002 int ret;
1003 int pnum = -1;
1004 char *p = NULL;
1005 NTSTATUS status;
1006
1007 /*
1008 * Ensure minimum number of parameters sent.
1009 */
1010
1011 if(parameter_count < 54) {
1012 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1013 return ERROR_DOS(ERRDOS,ERRnoaccess);
1014 }
1015
1016 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1017 if (!NT_STATUS_IS_OK(status)) {
1018 return ERROR_NT(status);
1019 }
1020
1021 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
1022 return ret;
1023
1024 /* Realloc the size of parameters and data we will return */
1025 params = nttrans_realloc(ppparams, 69);
1026 if(params == NULL)
1027 return ERROR_DOS(ERRDOS,ERRnomem);
1028
1029 p = params;
1030 SCVAL(p,0,NO_OPLOCK_RETURN);
1031
1032 p += 2;
1033 SSVAL(p,0,pnum);
1034 p += 2;
1035 SIVAL(p,0,FILE_WAS_OPENED);
1036 p += 8;
1037
1038 p += 32;
1039 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1040 p += 20;
1041 /* File type. */
1042 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1043 /* Device state. */
1044 SSVAL(p,2, 0x5FF); /* ? */
1045
1046 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1047
1048 /* Send the required number of replies */
1049 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1050
1051 return -1;
1052 }
1053
1054 /****************************************************************************
1055 Internal fn to set security descriptors.
1056 ****************************************************************************/
1057
1058 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1059 {
1060 prs_struct pd;
1061 SEC_DESC *psd = NULL;
1062 TALLOC_CTX *mem_ctx;
1063 BOOL ret;
1064
1065 if (sd_len == 0) {
1066 return NT_STATUS_OK;
1067 }
1068
1069 /*
1070 * Init the parse struct we will unmarshall from.
1071 */
1072
1073 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1074 DEBUG(0,("set_sd: talloc_init failed.\n"));
1075 return NT_STATUS_NO_MEMORY;
1076 }
1077
1078 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1079
1080 /*
1081 * Setup the prs_struct to point at the memory we just
1082 * allocated.
1083 */
1084
1085 prs_give_memory( &pd, data, sd_len, False);
1086
1087 /*
1088 * Finally, unmarshall from the data buffer.
1089 */
1090
1091 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1092 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1093 /*
1094 * Return access denied for want of a better error message..
1095 */
1096 talloc_destroy(mem_ctx);
1097 return NT_STATUS_NO_MEMORY;
1098 }
1099
1100 if (psd->off_owner_sid==0)
1101 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1102 if (psd->off_grp_sid==0)
1103 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1104 if (psd->off_sacl==0)
1105 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1106 if (psd->off_dacl==0)
1107 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1108
1109 ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
1110
1111 if (!ret) {
1112 talloc_destroy(mem_ctx);
1113 return NT_STATUS_ACCESS_DENIED;
1114 }
1115
1116 talloc_destroy(mem_ctx);
1117
1118 return NT_STATUS_OK;
1119 }
1120
1121 /****************************************************************************
1122 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1123 ****************************************************************************/
1124
1125 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1126 char **ppsetup, uint32 setup_count,
1127 char **ppparams, uint32 parameter_count,
1128 char **ppdata, uint32 data_count)
1129 {
1130 pstring fname;
1131 char *params = *ppparams;
1132 char *data = *ppdata;
1133 /* Breakout the oplock request bits so we can set the reply bits separately. */
1134 int oplock_request = 0;
1135 int fmode=0,rmode=0;
1136 SMB_OFF_T file_len = 0;
1137 SMB_STRUCT_STAT sbuf;
1138 int smb_action = 0;
1139 BOOL bad_path = False;
1140 files_struct *fsp = NULL;
1141 char *p = NULL;
1142 BOOL extended_oplock_granted = False;
1143 uint32 flags;
1144 uint32 desired_access;
1145 uint32 file_attributes;
1146 uint32 share_access;
1147 uint32 create_disposition;
1148 uint32 create_options;
1149 uint32 sd_len;
1150 uint16 root_dir_fid;
1151 SMB_BIG_UINT allocation_size = 0;
1152 int smb_ofun;
1153 int smb_open_mode;
1154 time_t c_time;
1155 NTSTATUS status;
1156
1157 DEBUG(5,("call_nt_transact_create\n"));
1158
1159 /*
1160 * If it's an IPC, use the pipe handler.
1161 */
1162
1163 if (IS_IPC(conn)) {
1164 if (lp_nt_pipe_support())
1165 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1166 bufsize,
1167 ppsetup, setup_count,
1168 ppparams, parameter_count,
1169 ppdata, data_count);
1170 else
1171 return ERROR_DOS(ERRDOS,ERRnoaccess);
1172 }
1173
1174 /*
1175 * Ensure minimum number of parameters sent.
1176 */
1177
1178 if(parameter_count < 54) {
1179 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1180 return ERROR_DOS(ERRDOS,ERRnoaccess);
1181 }
1182
1183 flags = IVAL(params,0);
1184 desired_access = IVAL(params,8);
1185 file_attributes = IVAL(params,20);
1186 share_access = IVAL(params,24);
1187 create_disposition = IVAL(params,28);
1188 create_options = IVAL(params,32);
1189 sd_len = IVAL(params,36);
1190 root_dir_fid = (uint16)IVAL(params,4);
1191
1192 if (create_options & FILE_OPEN_BY_FILE_ID) {
1193 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1194 }
1195
1196 /*
1197 * We need to construct the open_and_X ofun value from the
1198 * NT values, as that's what our code is structured to accept.
1199 */
1200
1201 if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1202 return ERROR_DOS(ERRDOS,ERRbadmem);
1203
1204 /*
1205 * Get the file name.
1206 */
1207
1208 if(root_dir_fid != 0) {
1209 /*
1210 * This filename is relative to a directory fid.
1211 */
1212 files_struct *dir_fsp = file_fsp(params,4);
1213 size_t dir_name_len;
1214
1215 if(!dir_fsp)
1216 return ERROR_DOS(ERRDOS,ERRbadfid);
1217
1218 if(!dir_fsp->is_directory) {
1219 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1220 if (!NT_STATUS_IS_OK(status)) {
1221 return ERROR_NT(status);
1222 }
1223
1224 /*
1225 * Check to see if this is a mac fork of some kind.
1226 */
1227
1228 if( strchr_m(fname, ':'))
1229 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1230
1231 return ERROR_DOS(ERRDOS,ERRbadfid);
1232 }
1233
1234 /*
1235 * Copy in the base directory name.
1236 */
1237
1238 pstrcpy( fname, dir_fsp->fsp_name );
1239 dir_name_len = strlen(fname);
1240
1241 /*
1242 * Ensure it ends in a '\'.
1243 */
1244
1245 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1246 pstrcat(fname, "\\");
1247 dir_name_len++;
1248 }
1249
1250 {
1251 pstring tmpname;
1252 srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1253 if (!NT_STATUS_IS_OK(status)) {
1254 return ERROR_NT(status);
1255 }
1256 pstrcat(fname, tmpname);
1257 }
1258 } else {
1259 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1260 if (!NT_STATUS_IS_OK(status)) {
1261 return ERROR_NT(status);
1262 }
1263
1264 /*
1265 * Check to see if this is a mac fork of some kind.
1266 */
1267
1268 if( strchr_m(fname, ':'))
1269 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1270 }
1271
1272 /*
1273 * Now contruct the smb_open_mode value from the desired access
1274 * and the share access.
1275 */
1276
1277 if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1278 share_access, file_attributes)) == -1)
1279 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1280
1281 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1282 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1283
1284 /*
1285 * Check if POSIX semantics are wanted.
1286 */
1287
1288 set_posix_case_semantics(file_attributes);
1289
1290 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1291
1292 unix_convert(fname,conn,0,&bad_path,&sbuf);
1293
1294 /*
1295 * If it's a request for a directory open, deal with it separately.
1296 */
1297
1298 if(create_options & FILE_DIRECTORY_FILE) {
1299
1300 /* Can't open a temp directory. IFS kit test. */
1301 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1302 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1303 }
1304
1305 oplock_request = 0;
1306
1307 /*
1308 * We will get a create directory here if the Win32
1309 * app specified a security descriptor in the
1310 * CreateDirectory() call.
1311 */
1312
1313 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1314
1315 if(!fsp) {
1316 restore_case_semantics(file_attributes);
1317 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1318 }
1319
1320 } else {
1321
1322 /*
1323 * Ordinary file case.
1324 */
1325
1326 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1327 smb_open_mode,smb_ofun,file_attributes,
1328 oplock_request,&rmode,&smb_action);
1329
1330 if (!fsp) {
1331
1332 if(errno == EISDIR) {
1333
1334 /*
1335 * Fail the open if it was explicitly a non-directory file.
1336 */
1337
1338 if (create_options & FILE_NON_DIRECTORY_FILE) {
1339 restore_case_semantics(file_attributes);
1340 SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1341 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1342 }
1343
1344 oplock_request = 0;
1345 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1346
1347 if(!fsp) {
1348 restore_case_semantics(file_attributes);
1349 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1350 }
1351 } else {
1352 restore_case_semantics(file_attributes);
1353 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1354 }
1355 }
1356
1357 file_len = sbuf.st_size;
1358 fmode = dos_mode(conn,fname,&sbuf);
1359 if(fmode == 0)
1360 fmode = FILE_ATTRIBUTE_NORMAL;
1361
1362 if (fmode & aDIR) {
1363 close_file(fsp,False);
1364 restore_case_semantics(file_attributes);
1365 return ERROR_DOS(ERRDOS,ERRnoaccess);
1366 }
1367
1368 /*
1369 * If the caller set the extended oplock request bit
1370 * and we granted one (by whatever means) - set the
1371 * correct bit for extended oplock reply.
1372 */
1373
1374 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1375 extended_oplock_granted = True;
1376
1377 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1378 extended_oplock_granted = True;
1379 }
1380
1381 /*
1382 * Now try and apply the desired SD.
1383 */
1384
1385 if (sd_len && !NT_STATUS_IS_OK(status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
1386 close_file(fsp,False);
1387 restore_case_semantics(file_attributes);
1388 return ERROR_NT(status);
1389 }
1390
1391 restore_case_semantics(file_attributes);
1392
1393 /* Save the requested allocation size. */
1394 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1395 #ifdef LARGE_SMB_OFF_T
1396 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1397 #endif
1398 if (allocation_size && (allocation_size > file_len)) {
1399 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
1400 if (fsp->is_directory) {
1401 close_file(fsp,False);
1402 END_PROFILE(SMBntcreateX);
1403 /* Can't set allocation size on a directory. */
1404 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1405 }
1406 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1407 close_file(fsp,False);
1408 return ERROR_NT(NT_STATUS_DISK_FULL);
1409 }
1410 } else {
1411 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
1412 }
1413
1414 /* Realloc the size of parameters and data we will return */
1415 params = nttrans_realloc(ppparams, 69);
1416 if(params == NULL)
1417 return ERROR_DOS(ERRDOS,ERRnomem);
1418
1419 p = params;
1420 if (extended_oplock_granted)
1421 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1422 else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1423 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1424 else
1425 SCVAL(p,0,NO_OPLOCK_RETURN);
1426
1427 p += 2;
1428 SSVAL(p,0,fsp->fnum);
1429 p += 2;
1430 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1431 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1432 else
1433 SIVAL(p,0,smb_action);
1434 p += 8;
1435
1436 /* Create time. */
1437 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1438
1439 if (lp_dos_filetime_resolution(SNUM(conn))) {
1440 c_time &= ~1;
1441 sbuf.st_atime &= ~1;
1442 sbuf.st_mtime &= ~1;
1443 sbuf.st_mtime &= ~1;
1444 }
1445
1446 put_long_date(p,c_time);
1447 p += 8;
1448 put_long_date(p,sbuf.st_atime); /* access time */
1449 p += 8;
1450 put_long_date(p,sbuf.st_mtime); /* write time */
1451 p += 8;
1452 put_long_date(p,sbuf.st_mtime); /* change time */
1453 p += 8;
1454 SIVAL(p,0,fmode); /* File Attributes. */
1455 p += 4;
1456 SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1457 p += 8;
1458 SOFF_T(p,0,file_len);
1459 p += 8;
1460 if (flags & EXTENDED_RESPONSE_REQUIRED)
1461 SSVAL(p,2,0x7);
1462 p += 4;
1463 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1464
1465 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1466
1467 /* Send the required number of replies */
1468 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1469
1470 return -1;
1471 }
1472
1473 /****************************************************************************
1474 Reply to a NT CANCEL request.
1475 ****************************************************************************/
1476
1477 int reply_ntcancel(connection_struct *conn,
1478 char *inbuf,char *outbuf,int length,int bufsize)
1479 {
1480 /*
1481 * Go through and cancel any pending change notifies.
1482 */
1483
1484 int mid = SVAL(inbuf,smb_mid);
1485 START_PROFILE(SMBntcancel);
1486 remove_pending_change_notify_requests_by_mid(mid);
1487 remove_pending_lock_requests_by_mid(mid);
1488 srv_cancel_sign_response(mid);
1489
1490 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1491
1492 END_PROFILE(SMBntcancel);
1493 return(-1);
1494 }
1495
1496 /****************************************************************************
1497 Reply to a NT rename request.
1498 ****************************************************************************/
1499
1500 int reply_ntrename(connection_struct *conn,
1501 char *inbuf,char *outbuf,int length,int bufsize)
1502 {
1503 int outsize = 0;
1504 pstring oldname;
1505 pstring newname;
1506 char *p;
1507 NTSTATUS status;
1508 uint16 attrs = SVAL(inbuf,smb_vwv0);
1509 uint16 rename_type = SVAL(inbuf,smb_vwv1);
1510
1511 START_PROFILE(SMBntrename);
1512
1513 if ((rename_type != RENAME_FLAG_RENAME) && (rename_type != RENAME_FLAG_HARD_LINK)) {
1514 END_PROFILE(SMBntrename);
1515 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1516 }
1517
1518 p = smb_buf(inbuf) + 1;
1519 p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status);
1520 if (!NT_STATUS_IS_OK(status)) {
1521 END_PROFILE(SMBntrename);
1522 return ERROR_NT(status);
1523 }
1524
1525 if( strchr_m(oldname, ':')) {
1526 /* Can't rename a stream. */
1527 END_PROFILE(SMBntrename);
1528 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1529 }
1530
1531 p++;
1532 p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status);
1533 if (!NT_STATUS_IS_OK(status)) {
1534 END_PROFILE(SMBntrename);
1535 return ERROR_NT(status);
1536 }
1537
1538 RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1539 RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1540
1541 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1542
1543 if (rename_type == RENAME_FLAG_RENAME) {
1544 status = rename_internals(conn, oldname, newname, attrs, False);
1545 } else {
1546 status = hardlink_internals(conn, oldname, newname);
1547 }
1548
1549 if (!NT_STATUS_IS_OK(status)) {
1550 END_PROFILE(SMBntrename);
1551 return ERROR_NT(status);
1552 }
1553
1554 /*
1555 * Win2k needs a changenotify request response before it will
1556 * update after a rename..
1557 */
1558 process_pending_change_notify_queue((time_t)0);
1559 outsize = set_message(outbuf,0,0,True);
1560
1561 END_PROFILE(SMBntrename);
1562 return(outsize);
1563 }
1564
1565 /****************************************************************************
1566 Reply to an unsolicited SMBNTtranss - just ignore it!
1567 ****************************************************************************/
1568
1569 int reply_nttranss(connection_struct *conn,
1570 char *inbuf,char *outbuf,int length,int bufsize)
1571 {
1572 START_PROFILE(SMBnttranss);
1573 DEBUG(4,("Ignoring nttranss of length %d\n",length));
1574 END_PROFILE(SMBnttranss);
1575 return(-1);
1576 }
1577
1578 /****************************************************************************
1579 Reply to a notify change - queue the request and
1580 don't allow a directory to be opened.
1581 ****************************************************************************/
1582
1583 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1584 char **ppsetup, uint32 setup_count,
1585 char **ppparams, uint32 parameter_count,
1586 char **ppdata, uint32 data_count)
1587 {
1588 char *setup = *ppsetup;
1589 files_struct *fsp;
1590 uint32 flags;
1591
1592 if(setup_count < 6)
1593 return ERROR_DOS(ERRDOS,ERRbadfunc);
1594
1595 fsp = file_fsp(setup,4);
1596 flags = IVAL(setup, 0);
1597
1598 DEBUG(3,("call_nt_transact_notify_change\n"));
1599
1600 if(!fsp)
1601 return ERROR_DOS(ERRDOS,ERRbadfid);
1602
1603 if((!fsp->is_directory) || (conn != fsp->conn))
1604 return ERROR_DOS(ERRDOS,ERRbadfid);
1605
1606 if (!change_notify_set(inbuf, fsp, conn, flags))
1607 return(UNIXERROR(ERRDOS,ERRbadfid));
1608
1609 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1610 name = %s\n", fsp->fsp_name ));
1611
1612 return -1;
1613 }
1614
1615 /****************************************************************************
1616 Reply to an NT transact rename command.
1617 ****************************************************************************/
1618
1619 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1620 char **ppsetup, uint32 setup_count,
1621 char **ppparams, uint32 parameter_count,
1622 char **ppdata, uint32 data_count)
1623 {
1624 char *params = *ppparams;
1625 pstring new_name;
1626 files_struct *fsp = NULL;
1627 BOOL replace_if_exists = False;
1628 NTSTATUS status;
1629
1630 if(parameter_count < 4)
1631 return ERROR_DOS(ERRDOS,ERRbadfunc);
1632
1633 fsp = file_fsp(params, 0);
1634 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1635 CHECK_FSP(fsp, conn);
1636 srvstr_get_path(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status);
1637 if (!NT_STATUS_IS_OK(status)) {
1638 return ERROR_NT(status);
1639 }
1640
1641 status = rename_internals(conn, fsp->fsp_name,
1642 new_name, 0, replace_if_exists);
1643 if (!NT_STATUS_IS_OK(status))
1644 return ERROR_NT(status);
1645
1646 /*
1647 * Rename was successful.
1648 */
1649 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1650
1651 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1652 fsp->fsp_name, new_name));
1653
1654 /*
1655 * Win2k needs a changenotify request response before it will
1656 * update after a rename..
1657 */
1658
1659 process_pending_change_notify_queue((time_t)0);
1660
1661 return -1;
1662 }
1663
1664 /******************************************************************************
1665 Fake up a completely empty SD.
1666 *******************************************************************************/
1667
1668 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1669 {
1670 extern DOM_SID global_sid_World;
1671 size_t sd_size;
1672
1673 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1674 if(!*ppsd) {
1675 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1676 sd_size = 0;
1677 }
1678
1679 return sd_size;
1680 }
1681
1682 /****************************************************************************
1683 Reply to query a security descriptor.
1684 ****************************************************************************/
1685
1686 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1687 char **ppsetup, uint32 setup_count,
1688 char **ppparams, uint32 parameter_count,
1689 char **ppdata, uint32 data_count)
1690 {
1691 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1692 char *params = *ppparams;
1693 char *data = *ppdata;
1694 prs_struct pd;
1695 SEC_DESC *psd = NULL;
1696 size_t sd_size;
1697 uint32 security_info_wanted;
1698 TALLOC_CTX *mem_ctx;
1699 files_struct *fsp = NULL;
1700
1701 if(parameter_count < 8)
1702 return ERROR_DOS(ERRDOS,ERRbadfunc);
1703
1704 fsp = file_fsp(params,0);
1705 if(!fsp)
1706 return ERROR_DOS(ERRDOS,ERRbadfid);
1707
1708 security_info_wanted = IVAL(params,4);
1709
1710 DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1711
1712 params = nttrans_realloc(ppparams, 4);
1713 if(params == NULL)
1714 return ERROR_DOS(ERRDOS,ERRnomem);
1715
1716 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1717 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1718 return ERROR_DOS(ERRDOS,ERRnomem);
1719 }
1720
1721 /*
1722 * Get the permissions to return.
1723 */
1724
1725 if (!lp_nt_acl_support(SNUM(conn)))
1726 sd_size = get_null_nt_acl(mem_ctx, &psd);
1727 else
1728 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fd, security_info_wanted, &psd);
1729
1730 if (sd_size == 0) {
1731 talloc_destroy(mem_ctx);
1732 return(UNIXERROR(ERRDOS,ERRnoaccess));
1733 }
1734
1735 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1736
1737 SIVAL(params,0,(uint32)sd_size);
1738
1739 if(max_data_count < sd_size) {
1740
1741 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1742 params, 4, *ppdata, 0);
1743 talloc_destroy(mem_ctx);
1744 return -1;
1745 }
1746
1747 /*
1748 * Allocate the data we will point this at.
1749 */
1750
1751 data = nttrans_realloc(ppdata, sd_size);
1752 if(data == NULL) {
1753 talloc_destroy(mem_ctx);
1754 return ERROR_DOS(ERRDOS,ERRnomem);
1755 }
1756
1757 /*
1758 * Init the parse struct we will marshall into.
1759 */
1760
1761 prs_init(&pd, 0, mem_ctx, MARSHALL);
1762
1763 /*
1764 * Setup the prs_struct to point at the memory we just
1765 * allocated.
1766 */
1767
1768 prs_give_memory( &pd, data, (uint32)sd_size, False);
1769
1770 /*
1771 * Finally, linearize into the outgoing buffer.
1772 */
1773
1774 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1775 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1776 security descriptor.\n"));
1777 /*
1778 * Return access denied for want of a better error message..
1779 */
1780 talloc_destroy(mem_ctx);
1781 return(UNIXERROR(ERRDOS,ERRnoaccess));
1782 }
1783
1784 /*
1785 * Now we can delete the security descriptor.
1786 */
1787
1788 talloc_destroy(mem_ctx);
1789
1790 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1791 return -1;
1792 }
1793
1794 /****************************************************************************
1795 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1796 ****************************************************************************/
1797
1798 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1799 char **ppsetup, uint32 setup_count,
1800 char **ppparams, uint32 parameter_count,
1801 char **ppdata, uint32 data_count)
1802 {
1803 char *params= *ppparams;
1804 char *data = *ppdata;
1805 files_struct *fsp = NULL;
1806 uint32 security_info_sent = 0;
1807 NTSTATUS nt_status;
1808
1809 if(parameter_count < 8)
1810 return ERROR_DOS(ERRDOS,ERRbadfunc);
1811
1812 if((fsp = file_fsp(params,0)) == NULL)
1813 return ERROR_DOS(ERRDOS,ERRbadfid);
1814
1815 if(!lp_nt_acl_support(SNUM(conn)))
1816 goto done;
1817
1818 security_info_sent = IVAL(params,4);
1819
1820 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1821 (unsigned int)security_info_sent ));
1822
1823 if (data_count == 0)
1824 return ERROR_DOS(ERRDOS, ERRnoaccess);
1825
1826 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent)))
1827 return ERROR_NT(nt_status);
1828
1829 done:
1830
1831 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1832 return -1;
1833 }
1834
1835 /****************************************************************************
1836 Reply to NT IOCTL
1837 ****************************************************************************/
1838
1839 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1840 char **ppsetup, uint32 setup_count,
1841 char **ppparams, uint32 parameter_count,
1842 char **ppdata, uint32 data_count)
1843 {
1844 uint32 function;
1845 uint16 fidnum;
1846 files_struct *fsp;
1847 uint8 isFSctl;
1848 uint8 compfilter;
1849 static BOOL logged_message;
1850 char *pdata = *ppdata;
1851
1852 if (setup_count != 8) {
1853 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1854 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1855 }
1856
1857 function = IVAL(*ppsetup, 0);
1858 fidnum = SVAL(*ppsetup, 4);
1859 isFSctl = CVAL(*ppsetup, 6);
1860 compfilter = CVAL(*ppsetup, 7);
1861
1862 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1863 function, fidnum, isFSctl, compfilter));
1864
1865 fsp=file_fsp(*ppsetup, 4);
1866 /* this check is done in each implemented function case for now
1867 because I don't want to break anything... --metze
1868 FSP_BELONGS_CONN(fsp,conn);*/
1869
1870 switch (function) {
1871 case FSCTL_SET_SPARSE:
1872 /* pretend this succeeded - tho strictly we should
1873 mark the file sparse (if the local fs supports it)
1874 so we can know if we need to pre-allocate or not */
1875
1876 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1877 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1878 return -1;
1879
1880 case FSCTL_0x000900C0:
1881 /* pretend this succeeded - don't know what this really is
1882 but works ok like this --metze
1883 */
1884
1885 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
1886 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1887 return -1;
1888
1889 case FSCTL_GET_REPARSE_POINT:
1890 /* pretend this fail - my winXP does it like this
1891 * --metze
1892 */
1893
1894 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1895 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1896 return -1;
1897
1898 case FSCTL_SET_REPARSE_POINT:
1899 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1900 * --metze
1901 */
1902
1903 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1904 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1905 return -1;
1906
1907 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1908 {
1909 /*
1910 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1911 * and return their volume names. If max_data_count is 16, then it is just
1912 * asking for the number of volumes and length of the combined names.
1913 *
1914 * pdata is the data allocated by our caller, but that uses
1915 * total_data_count (which is 0 in our case) rather than max_data_count.
1916 * Allocate the correct amount and return the pointer to let
1917 * it be deallocated when we return.
1918 */
1919 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1920 SHADOW_COPY_DATA *shadow_data = NULL;
1921 TALLOC_CTX *shadow_mem_ctx = NULL;
1922 BOOL labels = False;
1923 uint32 labels_data_count = 0;
1924 uint32 i;
1925 char *cur_pdata;
1926
1927 FSP_BELONGS_CONN(fsp,conn);
1928
1929 if (max_data_count < 16) {
1930 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1931 max_data_count));
1932 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1933 }
1934
1935 if (max_data_count > 16) {
1936 labels = True;
1937 }
1938
1939 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1940 if (shadow_mem_ctx == NULL) {
1941 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1942 return ERROR_NT(NT_STATUS_NO_MEMORY);
1943 }
1944
1945 shadow_data = (SHADOW_COPY_DATA *)talloc_zero(shadow_mem_ctx,sizeof(SHADOW_COPY_DATA));
1946 if (shadow_data == NULL) {
1947 DEBUG(0,("talloc_zero() failed!\n"));
1948 return ERROR_NT(NT_STATUS_NO_MEMORY);
1949 }
1950
1951 shadow_data->mem_ctx = shadow_mem_ctx;
1952
1953 /*
1954 * Call the VFS routine to actually do the work.
1955 */
1956 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1957 talloc_destroy(shadow_data->mem_ctx);
1958 if (errno == ENOSYS) {
1959 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1960 conn->connectpath));
1961 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1962 } else {
1963 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1964 conn->connectpath));
1965 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
1966 }
1967 }
1968
1969 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1970
1971 if (!labels) {
1972 data_count = 16;
1973 } else {
1974 data_count = 12+labels_data_count+4;
1975 }
1976
1977 if (max_data_count<data_count) {
1978 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1979 max_data_count,data_count));
1980 talloc_destroy(shadow_data->mem_ctx);
1981 return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
1982 }
1983
1984 pdata = nttrans_realloc(ppdata, data_count);
1985 if (pdata == NULL) {
1986 talloc_destroy(shadow_data->mem_ctx);
1987 return ERROR_NT(NT_STATUS_NO_MEMORY);
1988 }
1989
1990 cur_pdata = pdata;
1991
1992 /* num_volumes 4 bytes */
1993 SIVAL(pdata,0,shadow_data->num_volumes);
1994
1995 if (labels) {
1996 /* num_labels 4 bytes */
1997 SIVAL(pdata,4,shadow_data->num_volumes);
1998 }
1999
2000 /* needed_data_count 4 bytes */
2001 SIVAL(pdata,8,labels_data_count);
2002
2003 cur_pdata+=12;
2004
2005 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2006 shadow_data->num_volumes,fsp->fsp_name));
2007 if (labels && shadow_data->labels) {
2008 for (i=0;i<shadow_data->num_volumes;i++) {
2009 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2010 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2011 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2012 }
2013 }
2014
2015 talloc_destroy(shadow_data->mem_ctx);
2016
2017 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2018
2019 return -1;
2020 }
2021
2022 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2023 {
2024 /* pretend this succeeded -
2025 *
2026 * we have to send back a list with all files owned by this SID
2027 *
2028 * but I have to check that --metze
2029 */
2030 DOM_SID sid;
2031 uid_t uid;
2032 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2033
2034 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2035
2036 FSP_BELONGS_CONN(fsp,conn);
2037
2038 /* unknown 4 bytes: this is not the length of the sid :-( */
2039 /*unknown = IVAL(pdata,0);*/
2040
2041 sid_parse(pdata+4,sid_len,&sid);
2042 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2043
2044 if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
2045 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2046 sid_string_static(&sid),(unsigned long)sid_len));
2047 uid = (-1);
2048 }
2049
2050 /* we can take a look at the find source :-)
2051 *
2052 * find ./ -uid $uid -name '*' is what we need here
2053 *
2054 *
2055 * and send 4bytes len and then NULL terminated unicode strings
2056 * for each file
2057 *
2058 * but I don't know how to deal with the paged results
2059 * (maybe we can hang the result anywhere in the fsp struct)
2060 *
2061 * we don't send all files at once
2062 * and at the next we should *not* start from the beginning,
2063 * so we have to cache the result
2064 *
2065 * --metze
2066 */
2067
2068 /* this works for now... */
2069 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2070 return -1;
2071 }
2072 default:
2073 if (!logged_message) {
2074 logged_message = True; /* Only print this once... */
2075 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2076 function));
2077 }
2078 }
2079
2080 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2081 }
2082
2083
2084 #ifdef HAVE_SYS_QUOTAS
2085 /****************************************************************************
2086 Reply to get user quota
2087 ****************************************************************************/
2088
2089 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2090 char **ppsetup, uint32 setup_count,
2091 char **ppparams, uint32 parameter_count,
2092 char **ppdata, uint32 data_count)
2093 {
2094 NTSTATUS nt_status = NT_STATUS_OK;
2095 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2096 char *params = *ppparams;
2097 char *pdata = *ppdata;
2098 char *entry;
2099 int data_len=0,param_len=0;
2100 int qt_len=0;
2101 int entry_len = 0;
2102 files_struct *fsp = NULL;
2103 uint16 level = 0;
2104 size_t sid_len;
2105 DOM_SID sid;
2106 BOOL start_enum = True;
2107 SMB_NTQUOTA_STRUCT qt;
2108 SMB_NTQUOTA_LIST *tmp_list;
2109 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2110 extern struct current_user current_user;
2111
2112 ZERO_STRUCT(qt);
2113
2114 /* access check */
2115 if (current_user.uid != 0) {
2116 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2117 lp_servicename(SNUM(conn)),conn->user));
2118 return ERROR_DOS(ERRDOS,ERRnoaccess);
2119 }
2120
2121 /*
2122 * Ensure minimum number of parameters sent.
2123 */
2124
2125 if (parameter_count < 4) {
2126 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2127 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2128 }
2129
2130 /* maybe we can check the quota_fnum */
2131 fsp = file_fsp(params,0);
2132 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2133 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2134 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2135 }
2136
2137 /* the NULL pointer cheking for fsp->fake_file_handle->pd
2138 * is done by CHECK_NTQUOTA_HANDLE_OK()
2139 */
2140 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2141
2142 level = SVAL(params,2);
2143
2144 /* unknown 12 bytes leading in params */
2145
2146 switch (level) {
2147 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2148 /* seems that we should continue with the enum here --metze */
2149
2150 if (qt_handle->quota_list!=NULL &&
2151 qt_handle->tmp_list==NULL) {
2152
2153 /* free the list */
2154 free_ntquota_list(&(qt_handle->quota_list));
2155
2156 /* Realloc the size of parameters and data we will return */
2157 param_len = 4;
2158 params = nttrans_realloc(ppparams, param_len);
2159 if(params == NULL)
2160 return ERROR_DOS(ERRDOS,ERRnomem);
2161
2162 data_len = 0;
2163 SIVAL(params,0,data_len);
2164
2165 break;
2166 }
2167
2168 start_enum = False;
2169
2170 case TRANSACT_GET_USER_QUOTA_LIST_START:
2171
2172 if (qt_handle->quota_list==NULL &&
2173 qt_handle->tmp_list==NULL) {
2174 start_enum = True;
2175 }
2176
2177 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2178 return ERROR_DOS(ERRSRV,ERRerror);
2179
2180 /* Realloc the size of parameters and data we will return */
2181 param_len = 4;
2182 params = nttrans_realloc(ppparams, param_len);
2183 if(params == NULL)
2184 return ERROR_DOS(ERRDOS,ERRnomem);
2185
2186 /* we should not trust the value in max_data_count*/
2187 max_data_count = MIN(max_data_count,2048);
2188
2189 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2190 if(pdata == NULL)
2191 return ERROR_DOS(ERRDOS,ERRnomem);
2192
2193 entry = pdata;
2194
2195
2196 /* set params Size of returned Quota Data 4 bytes*/
2197 /* but set it later when we know it */
2198
2199 /* for each entry push the data */
2200
2201 if (start_enum) {
2202 qt_handle->tmp_list = qt_handle->quota_list;
2203 }
2204
2205 tmp_list = qt_handle->tmp_list;
2206
2207 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2208 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2209
2210 sid_len = sid_size(&tmp_list->quotas->sid);
2211 entry_len = 40 + sid_len;
2212
2213 /* nextoffset entry 4 bytes */
2214 SIVAL(entry,0,entry_len);
2215
2216 /* then the len of the SID 4 bytes */
2217 SIVAL(entry,4,sid_len);
2218
2219 /* unknown data 8 bytes SMB_BIG_UINT */
2220 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2221
2222 /* the used disk space 8 bytes SMB_BIG_UINT */
2223 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2224
2225 /* the soft quotas 8 bytes SMB_BIG_UINT */
2226 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2227
2228 /* the hard quotas 8 bytes SMB_BIG_UINT */
2229 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2230
2231 /* and now the SID */
2232 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2233 }
2234
2235 qt_handle->tmp_list = tmp_list;
2236
2237 /* overwrite the offset of the last entry */
2238 SIVAL(entry-entry_len,0,0);
2239
2240 data_len = 4+qt_len;
2241 /* overwrite the params quota_data_len */
2242 SIVAL(params,0,data_len);
2243
2244 break;
2245
2246 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2247
2248 /* unknown 4 bytes IVAL(pdata,0) */
2249
2250 if (data_count < 8) {
2251 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2252 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2253 }
2254
2255 sid_len = IVAL(pdata,4);
2256
2257 if (data_count < 8+sid_len) {
2258 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2259 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2260 }
2261
2262 data_len = 4+40+sid_len;
2263
2264 if (max_data_count < data_len) {
2265 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2266 max_data_count, data_len));
2267 param_len = 4;
2268 SIVAL(params,0,data_len);
2269 data_len = 0;
2270 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2271 break;
2272 }
2273
2274 sid_parse(pdata+8,sid_len,&sid);
2275
2276
2277 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2278 ZERO_STRUCT(qt);
2279 /*
2280 * we have to return zero's in all fields
2281 * instead of returning an error here
2282 * --metze
2283 */
2284 }
2285
2286 /* Realloc the size of parameters and data we will return */
2287 param_len = 4;
2288 params = nttrans_realloc(ppparams, param_len);
2289 if(params == NULL)
2290 return ERROR_DOS(ERRDOS,ERRnomem);
2291
2292 pdata = nttrans_realloc(ppdata, data_len);
2293 if(pdata == NULL)
2294 return ERROR_DOS(ERRDOS,ERRnomem);
2295
2296 entry = pdata;
2297
2298 /* set params Size of returned Quota Data 4 bytes*/
2299 SIVAL(params,0,data_len);
2300
2301 /* nextoffset entry 4 bytes */
2302 SIVAL(entry,0,0);
2303
2304 /* then the len of the SID 4 bytes */
2305 SIVAL(entry,4,sid_len);
2306
2307 /* unknown data 8 bytes SMB_BIG_UINT */
2308 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2309
2310 /* the used disk space 8 bytes SMB_BIG_UINT */
2311 SBIG_UINT(entry,16,qt.usedspace);
2312
2313 /* the soft quotas 8 bytes SMB_BIG_UINT */
2314 SBIG_UINT(entry,24,qt.softlim);
2315
2316 /* the hard quotas 8 bytes SMB_BIG_UINT */
2317 SBIG_UINT(entry,32,qt.hardlim);
2318
2319 /* and now the SID */
2320 sid_linearize(entry+40, sid_len, &sid);
2321
2322 break;
2323
2324 default:
2325 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2326 return ERROR_DOS(ERRSRV,ERRerror);
2327 break;
2328 }
2329
2330 send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2331
2332 return -1;
2333 }
2334
2335 /****************************************************************************
2336 Reply to set user quota
2337 ****************************************************************************/
2338
2339 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2340 char **ppsetup, uint32 setup_count,
2341 char **ppparams, uint32 parameter_count,
2342 char **ppdata, uint32 data_count)
2343 {
2344 char *params = *ppparams;
2345 char *pdata = *ppdata;
2346 int data_len=0,param_len=0;
2347 SMB_NTQUOTA_STRUCT qt;
2348 size_t sid_len;
2349 DOM_SID sid;
2350 files_struct *fsp = NULL;
2351
2352 ZERO_STRUCT(qt);
2353
2354 /* access check */
2355 if (current_user.uid != 0) {
2356 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2357 lp_servicename(SNUM(conn)),conn->user));
2358 return ERROR_DOS(ERRDOS,ERRnoaccess);
2359 }
2360
2361 /*
2362 * Ensure minimum number of parameters sent.
2363 */
2364
2365 if (parameter_count < 2) {
2366 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2367 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2368 }
2369
2370 /* maybe we can check the quota_fnum */
2371 fsp = file_fsp(params,0);
2372 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2373 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2374 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2375 }
2376
2377 if (data_count < 40) {
2378 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2379 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2380 }
2381
2382 /* offset to next quota record.
2383 * 4 bytes IVAL(pdata,0)
2384 * unused here...
2385 */
2386
2387 /* sid len */
2388 sid_len = IVAL(pdata,4);
2389
2390 if (data_count < 40+sid_len) {
2391 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2392 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2393 }
2394
2395 /* unknown 8 bytes in pdata
2396 * maybe its the change time in NTTIME
2397 */
2398
2399 /* the used space 8 bytes (SMB_BIG_UINT)*/
2400 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2401 #ifdef LARGE_SMB_OFF_T
2402 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2403 #else /* LARGE_SMB_OFF_T */
2404 if ((IVAL(pdata,20) != 0)&&
2405 ((qt.usedspace != 0xFFFFFFFF)||
2406 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2407 /* more than 32 bits? */
2408 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2409 }
2410 #endif /* LARGE_SMB_OFF_T */
2411
2412 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2413 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2414 #ifdef LARGE_SMB_OFF_T
2415 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2416 #else /* LARGE_SMB_OFF_T */
2417 if ((IVAL(pdata,28) != 0)&&
2418 ((qt.softlim != 0xFFFFFFFF)||
2419 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2420 /* more than 32 bits? */
2421 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2422 }
2423 #endif /* LARGE_SMB_OFF_T */
2424
2425 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2426 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2427 #ifdef LARGE_SMB_OFF_T
2428 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2429 #else /* LARGE_SMB_OFF_T */
2430 if ((IVAL(pdata,36) != 0)&&
2431 ((qt.hardlim != 0xFFFFFFFF)||
2432 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2433 /* more than 32 bits? */
2434 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2435 }
2436 #endif /* LARGE_SMB_OFF_T */
2437
2438 sid_parse(pdata+40,sid_len,&sid);
2439 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2440
2441 /* 44 unknown bytes left... */
2442
2443 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2444 return ERROR_DOS(ERRSRV,ERRerror);
2445 }
2446
2447 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2448
2449 return -1;
2450 }
2451 #endif /* HAVE_SYS_QUOTAS */
2452
2453 /****************************************************************************
2454 Reply to a SMBNTtrans.
2455 ****************************************************************************/
2456
2457 int reply_nttrans(connection_struct *conn,
2458 char *inbuf,char *outbuf,int length,int bufsize)
2459 {
2460 int outsize = 0;
2461 #if 0 /* Not used. */
2462 uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2463 uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2464 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2465 #endif /* Not used. */
2466 uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2467 uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2468 uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2469 uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2470 uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2471 uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2472 uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2473 uint16 function_code = SVAL( inbuf, smb_nt_Function);
2474 char *params = NULL, *data = NULL, *setup = NULL;
2475 uint32 num_params_sofar, num_data_sofar;
2476 START_PROFILE(SMBnttrans);
2477
2478 if(global_oplock_break &&
2479 ((function_code == NT_TRANSACT_CREATE) ||
2480 (function_code == NT_TRANSACT_RENAME))) {
2481 /*
2482 * Queue this open message as we are the process of an oplock break.
2483 */
2484
2485 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2486 due to being in oplock break state.\n", (unsigned int)function_code ));
2487
2488 push_oplock_pending_smb_message( inbuf, length);
2489 END_PROFILE(SMBnttrans);
2490 return -1;
2491 }
2492
2493 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2494 END_PROFILE(SMBnttrans);
2495 return ERROR_DOS(ERRSRV,ERRaccess);
2496 }
2497
2498 outsize = set_message(outbuf,0,0,True);
2499
2500 /*
2501 * All nttrans messages we handle have smb_wct == 19 + setup_count.
2502 * Ensure this is so as a sanity check.
2503 */
2504
2505 if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2506 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2507 CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2508 goto bad_param;
2509 }
2510
2511 /* Allocate the space for the setup, the maximum needed parameters and data */
2512
2513 if(setup_count > 0)
2514 setup = (char *)malloc(setup_count);
2515 if (total_parameter_count > 0)
2516 params = (char *)malloc(total_parameter_count);
2517 if (total_data_count > 0)
2518 data = (char *)malloc(total_data_count);
2519
2520 if ((total_parameter_count && !params) || (total_data_count && !data) ||
2521 (setup_count && !setup)) {
2522 SAFE_FREE(setup);
2523 SAFE_FREE(params);
2524 SAFE_FREE(data);
2525 DEBUG(0,("reply_nttrans : Out of memory\n"));
2526 END_PROFILE(SMBnttrans);
2527 return ERROR_DOS(ERRDOS,ERRnomem);
2528 }
2529
2530 /* Copy the param and data bytes sent with this request into the params buffer */
2531 num_params_sofar = parameter_count;
2532 num_data_sofar = data_count;
2533
2534 if (parameter_count > total_parameter_count || data_count > total_data_count)
2535 goto bad_param;
2536
2537 if(setup) {
2538 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2539 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2540 (smb_nt_SetupStart + setup_count < setup_count))
2541 goto bad_param;
2542 if (smb_nt_SetupStart + setup_count > length)
2543 goto bad_param;
2544
2545 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2546 dump_data(10, setup, setup_count);
2547 }
2548 if(params) {
2549 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2550 if ((parameter_offset + parameter_count < parameter_offset) ||
2551 (parameter_offset + parameter_count < parameter_count))
2552 goto bad_param;
2553 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
2554 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2555 goto bad_param;
2556
2557 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2558 dump_data(10, params, parameter_count);
2559 }
2560 if(data) {
2561 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2562 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
2563 goto bad_param;
2564 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2565 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2566 goto bad_param;
2567
2568 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2569 dump_data(10, data, data_count);
2570 }
2571
2572 srv_signing_trans_start(SVAL(inbuf,smb_mid));
2573
2574 if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2575 /* We need to send an interim response then receive the rest
2576 of the parameter/data bytes */
2577 outsize = set_message(outbuf,0,0,True);
2578 srv_signing_trans_stop();
2579 if (!send_smb(smbd_server_fd(),outbuf))
2580 exit_server("reply_nttrans: send_smb failed.");
2581
2582 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2583 BOOL ret;
2584 uint32 parameter_displacement;
2585 uint32 data_displacement;
2586
2587 ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2588
2589 /*
2590 * The sequence number for the trans reply is always
2591 * based on the last secondary received.
2592 */
2593
2594 srv_signing_trans_start(SVAL(inbuf,smb_mid));
2595
2596 if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2597 outsize = set_message(outbuf,0,0,True);
2598 if(ret) {
2599 DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2600 } else {
2601 DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2602 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2603 }
2604 goto bad_param;
2605 }
2606
2607 /* Revise total_params and total_data in case they have changed downwards */
2608 if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
2609 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2610 if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
2611 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2612
2613 parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2614 parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2615 parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2616 num_params_sofar += parameter_count;
2617
2618 data_count = IVAL(inbuf, smb_nts_DataCount);
2619 data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2620 data_offset = IVAL(inbuf, smb_nts_DataOffset);
2621 num_data_sofar += data_count;
2622
2623 if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2624 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2625 goto bad_param;
2626 }
2627
2628 if (parameter_count) {
2629 if (parameter_displacement + parameter_count >= total_parameter_count)
2630 goto bad_param;
2631 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2632 (parameter_displacement + parameter_count < parameter_count))
2633 goto bad_param;
2634 if (parameter_displacement > total_parameter_count)
2635 goto bad_param;
2636 if ((smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize) ||
2637 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2638 goto bad_param;
2639 if (parameter_displacement + params < params)
2640 goto bad_param;
2641
2642 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
2643 }
2644
2645 if (data_count) {
2646 if (data_displacement + data_count >= total_data_count)
2647 goto bad_param;
2648 if ((data_displacement + data_count < data_displacement) ||
2649 (data_displacement + data_count < data_count))
2650 goto bad_param;
2651 if (data_displacement > total_data_count)
2652 goto bad_param;
2653 if ((smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize) ||
2654 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2655 goto bad_param;
2656 if (data_displacement + data < data)
2657 goto bad_param;
2658
2659 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
2660 }
2661 }
2662 }
2663
2664 if (Protocol >= PROTOCOL_NT1)
2665 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
2666
2667 /* Now we must call the relevant NT_TRANS function */
2668 switch(function_code) {
2669 case NT_TRANSACT_CREATE:
2670 START_PROFILE_NESTED(NT_transact_create);
2671 outsize = call_nt_transact_create(conn, inbuf, outbuf,
2672 length, bufsize,
2673 &setup, setup_count,
2674 &params, total_parameter_count,
2675 &data, total_data_count);
2676 END_PROFILE_NESTED(NT_transact_create);
2677 break;
2678 case NT_TRANSACT_IOCTL:
2679 START_PROFILE_NESTED(NT_transact_ioctl);
2680 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2681 length, bufsize,
2682 &setup, setup_count,
2683 &params, total_parameter_count,
2684 &data, total_data_count);
2685 END_PROFILE_NESTED(NT_transact_ioctl);
2686 break;
2687 case NT_TRANSACT_SET_SECURITY_DESC:
2688 START_PROFILE_NESTED(NT_transact_set_security_desc);
2689 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2690 length, bufsize,
2691 &setup, setup_count,
2692 &params, total_parameter_count,
2693 &data, total_data_count);
2694 END_PROFILE_NESTED(NT_transact_set_security_desc);
2695 break;
2696 case NT_TRANSACT_NOTIFY_CHANGE:
2697 START_PROFILE_NESTED(NT_transact_notify_change);
2698 outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2699 length, bufsize,
2700 &setup, setup_count,
2701 &params, total_parameter_count,
2702 &data, total_data_count);
2703 END_PROFILE_NESTED(NT_transact_notify_change);
2704 break;
2705 case NT_TRANSACT_RENAME:
2706 START_PROFILE_NESTED(NT_transact_rename);
2707 outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2708 length, bufsize,
2709 &setup, setup_count,
2710 &params, total_parameter_count,
2711 &data, total_data_count);
2712 END_PROFILE_NESTED(NT_transact_rename);
2713 break;
2714
2715 case NT_TRANSACT_QUERY_SECURITY_DESC:
2716 START_PROFILE_NESTED(NT_transact_query_security_desc);
2717 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2718 length, bufsize,
2719 &setup, setup_count,
2720 &params, total_parameter_count,
2721 &data, total_data_count);
2722 END_PROFILE_NESTED(NT_transact_query_security_desc);
2723 break;
2724 #ifdef HAVE_SYS_QUOTAS
2725 case NT_TRANSACT_GET_USER_QUOTA:
2726 START_PROFILE_NESTED(NT_transact_get_user_quota);
2727 outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2728 length, bufsize,
2729 &setup, setup_count,
2730 &params, total_parameter_count,
2731 &data, total_data_count);
2732 END_PROFILE_NESTED(NT_transact_get_user_quota);
2733 break;
2734 case NT_TRANSACT_SET_USER_QUOTA:
2735 START_PROFILE_NESTED(NT_transact_set_user_quota);
2736 outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2737 length, bufsize,
2738 &setup, setup_count,
2739 &params, total_parameter_count,
2740 &data, total_data_count);
2741 END_PROFILE_NESTED(NT_transact_set_user_quota);
2742 break;
2743 #endif /* HAVE_SYS_QUOTAS */
2744 default:
2745 /* Error in request */
2746 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
2747 SAFE_FREE(setup);
2748 SAFE_FREE(params);
2749 SAFE_FREE(data);
2750 END_PROFILE(SMBnttrans);
2751 srv_signing_trans_stop();
2752 return ERROR_DOS(ERRSRV,ERRerror);
2753 }
2754
2755 /* As we do not know how many data packets will need to be
2756 returned here the various call_nt_transact_xxxx calls
2757 must send their own. Thus a call_nt_transact_xxxx routine only
2758 returns a value other than -1 when it wants to send
2759 an error packet.
2760 */
2761
2762 srv_signing_trans_stop();
2763
2764 SAFE_FREE(setup);
2765 SAFE_FREE(params);
2766 SAFE_FREE(data);
2767 END_PROFILE(SMBnttrans);
2768 return outsize; /* If a correct response was needed the call_nt_transact_xxxx
2769 calls have already sent it. If outsize != -1 then it is
2770 returning an error packet. */
2771
2772 bad_param:
2773
2774 srv_signing_trans_stop();
2775 SAFE_FREE(params);
2776 SAFE_FREE(data);
2777 SAFE_FREE(setup);
2778 END_PROFILE(SMBnttrans);
2779 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2780 }
reg import