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add WITH_SENDFILE profiling data (from Pierre Belanger)
[Samba.git] / source / smbd / nttrans.c
blobb80cac8d3c377c6972ac667d3295af2b2e68a091
1 /*
2 Unix SMB/Netbios implementation.
3 Version 1.9.
4 SMB NT transaction handling
5 Copyright (C) Jeremy Allison 1994-1998
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
31 static char *known_nt_pipes[] = {
32 "\\LANMAN",
33 "\\srvsvc",
34 "\\samr",
35 "\\wkssvc",
36 "\\NETLOGON",
37 "\\ntlsa",
38 "\\ntsvcs",
39 "\\lsass",
40 "\\lsarpc",
41 "\\winreg",
42 "\\spoolss",
43 #ifdef WITH_MSDFS
44 "\\netdfs",
45 #endif
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 /****************************************************************************
59 Send the required number of replies back.
60 We assume all fields other than the data fields are
61 set correctly for the type of call.
62 HACK ! Always assumes smb_setup field is zero.
63 ****************************************************************************/
64
65 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
66 int paramsize, char *pdata, int datasize)
67 {
68 extern int max_send;
69 int data_to_send = datasize;
70 int params_to_send = paramsize;
71 int useable_space;
72 char *pp = params;
73 char *pd = pdata;
74 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
75 int alignment_offset = 3;
76 int data_alignment_offset = 0;
77
78 /*
79 * Initially set the wcnt area to be 18 - this is true for all
80 * transNT replies.
81 */
82
83 set_message(outbuf,18,0,True);
84
85 if(NT_STATUS_V(nt_error)) {
86 ERROR_NT(nt_error);
87 }
88
89 /*
90 * If there genuinely are no parameters or data to send just send
91 * the empty packet.
92 */
93
94 if(params_to_send == 0 && data_to_send == 0) {
95 if (!send_smb(smbd_server_fd(),outbuf))
96 exit_server("send_nt_replies: send_smb failed.");
97 return 0;
98 }
99
100 /*
101 * When sending params and data ensure that both are nicely aligned.
102 * Only do this alignment when there is also data to send - else
103 * can cause NT redirector problems.
104 */
105
106 if (((params_to_send % 4) != 0) && (data_to_send != 0))
107 data_alignment_offset = 4 - (params_to_send % 4);
108
109 /*
110 * Space is bufsize minus Netbios over TCP header minus SMB header.
111 * The alignment_offset is to align the param bytes on a four byte
112 * boundary (2 bytes for data len, one byte pad).
113 * NT needs this to work correctly.
114 */
115
116 useable_space = bufsize - ((smb_buf(outbuf)+
117 alignment_offset+data_alignment_offset) -
118 outbuf);
119
120 /*
121 * useable_space can never be more than max_send minus the
122 * alignment offset.
123 */
124
125 useable_space = MIN(useable_space,
126 max_send - (alignment_offset+data_alignment_offset));
127
128
129 while (params_to_send || data_to_send) {
130
131 /*
132 * Calculate whether we will totally or partially fill this packet.
133 */
134
135 total_sent_thistime = params_to_send + data_to_send +
136 alignment_offset + data_alignment_offset;
137
138 /*
139 * We can never send more than useable_space.
140 */
141
142 total_sent_thistime = MIN(total_sent_thistime, useable_space);
143
144 set_message(outbuf, 18, total_sent_thistime, True);
145
146 /*
147 * Set total params and data to be sent.
148 */
149
150 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
151 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
152
153 /*
154 * Calculate how many parameters and data we can fit into
155 * this packet. Parameters get precedence.
156 */
157
158 params_sent_thistime = MIN(params_to_send,useable_space);
159 data_sent_thistime = useable_space - params_sent_thistime;
160 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
161
162 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
163
164 if(params_sent_thistime == 0) {
165 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
166 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
167 } else {
168 /*
169 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
170 * parameter bytes, however the first 4 bytes of outbuf are
171 * the Netbios over TCP header. Thus use smb_base() to subtract
172 * them from the calculation.
173 */
174
175 SIVAL(outbuf,smb_ntr_ParameterOffset,
176 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
177 /*
178 * Absolute displacement of param bytes sent in this packet.
179 */
180
181 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
182 }
183
184 /*
185 * Deal with the data portion.
186 */
187
188 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
189
190 if(data_sent_thistime == 0) {
191 SIVAL(outbuf,smb_ntr_DataOffset,0);
192 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
193 } else {
194 /*
195 * The offset of the data bytes is the offset of the
196 * parameter bytes plus the number of parameters being sent this time.
197 */
198
199 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
200 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
201 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
202 }
203
204 /*
205 * Copy the param bytes into the packet.
206 */
207
208 if(params_sent_thistime)
209 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
210
211 /*
212 * Copy in the data bytes
213 */
214
215 if(data_sent_thistime)
216 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
217 data_alignment_offset,pd,data_sent_thistime);
218
219 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
220 params_sent_thistime, data_sent_thistime, useable_space));
221 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
222 params_to_send, data_to_send, paramsize, datasize));
223
224 /* Send the packet */
225 if (!send_smb(smbd_server_fd(),outbuf))
226 exit_server("send_nt_replies: send_smb failed.");
227
228 pp += params_sent_thistime;
229 pd += data_sent_thistime;
230
231 params_to_send -= params_sent_thistime;
232 data_to_send -= data_sent_thistime;
233
234 /*
235 * Sanity check
236 */
237
238 if(params_to_send < 0 || data_to_send < 0) {
239 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
240 params_to_send, data_to_send));
241 return -1;
242 }
243 }
244
245 return 0;
246 }
247
248 /****************************************************************************
249 (Hopefully) temporary call to fix bugs in NT5.0beta2. This OS sends unicode
250 strings in NT calls AND DOESN'T SET THE UNICODE BIT !!!!!!!
251 ****************************************************************************/
252
253 static void get_filename( char *fname, char *inbuf, int data_offset, int data_len, int fname_len)
254 {
255 /*
256 * We need various heuristics here to detect a unicode string... JRA.
257 */
258
259 DEBUG(10,("get_filename: data_offset = %d, data_len = %d, fname_len = %d\n",
260 data_offset, data_len, fname_len ));
261
262 if(data_len - fname_len > 1) {
263 /*
264 * NT 5.0 Beta 2 has kindly sent us a UNICODE string
265 * without bothering to set the unicode bit. How kind.
266 *
267 * Firstly - ensure that the data offset is aligned
268 * on a 2 byte boundary - add one if not.
269 */
270 fname_len = fname_len/2;
271 if(data_offset & 1)
272 data_offset++;
273 pstrcpy(fname, dos_unistrn2((uint16 *)(inbuf+data_offset), fname_len));
274 } else {
275 StrnCpy(fname,inbuf+data_offset,fname_len);
276 fname[fname_len] = '\0';
277 }
278 }
279
280 /****************************************************************************
281 Fix bugs in Win2000 final release. In trans calls this OS sends unicode
282 strings AND DOESN'T SET THE UNICODE BIT !!!!!!!
283 ****************************************************************************/
284
285 static void get_filename_transact( char *fname, char *inbuf, int data_offset, int data_len, int fname_len)
286 {
287 DEBUG(10,("get_filename_transact: data_offset = %d, data_len = %d, fname_len = %d\n",
288 data_offset, data_len, fname_len ));
289
290 /*
291 * Win2K sends a unicode filename plus one extra alingment byte.
292 * WinNT4.x send an ascii string with multiple garbage bytes on
293 * the end here.
294 */
295
296 /*
297 * We need various heuristics here to detect a unicode string... JRA.
298 */
299
300 if( ((fname_len % 2) == 0) &&
301 (
302 (data_len == 1) ||
303 (inbuf[data_offset] == '\0') ||
304 ((fname_len > 1) && (inbuf[data_offset+1] == '\\') && (inbuf[data_offset+2] == '\0'))
305 )) {
306
307 /*
308 * Ensure that the data offset is aligned
309 * on a 2 byte boundary - add one if not.
310 */
311 fname_len = fname_len/2;
312 if(data_offset & 1)
313 data_offset++;
314 pstrcpy(fname, dos_unistrn2((uint16 *)(inbuf+data_offset), fname_len));
315 } else {
316 StrnCpy(fname,inbuf+data_offset,fname_len);
317 fname[fname_len] = '\0';
318 }
319 }
320
321 /****************************************************************************
322 Save case statics.
323 ****************************************************************************/
324
325 static BOOL saved_case_sensitive;
326 static BOOL saved_case_preserve;
327 static BOOL saved_short_case_preserve;
328
329 /****************************************************************************
330 Save case semantics.
331 ****************************************************************************/
332
333 static void set_posix_case_semantics(uint32 file_attributes)
334 {
335 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
336 return;
337
338 saved_case_sensitive = case_sensitive;
339 saved_case_preserve = case_preserve;
340 saved_short_case_preserve = short_case_preserve;
341
342 /* Set to POSIX. */
343 case_sensitive = True;
344 case_preserve = True;
345 short_case_preserve = True;
346 }
347
348 /****************************************************************************
349 Restore case semantics.
350 ****************************************************************************/
351
352 static void restore_case_semantics(uint32 file_attributes)
353 {
354 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
355 return;
356
357 case_sensitive = saved_case_sensitive;
358 case_preserve = saved_case_preserve;
359 short_case_preserve = saved_short_case_preserve;
360 }
361
362 /****************************************************************************
363 Utility function to map create disposition.
364 ****************************************************************************/
365
366 static int map_create_disposition( uint32 create_disposition)
367 {
368 int ret;
369
370 switch( create_disposition ) {
371 case FILE_CREATE:
372 /* create if not exist, fail if exist */
373 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
374 break;
375 case FILE_SUPERSEDE:
376 case FILE_OVERWRITE_IF:
377 /* create if not exist, trunc if exist */
378 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
379 break;
380 case FILE_OPEN:
381 /* fail if not exist, open if exists */
382 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
383 break;
384 case FILE_OPEN_IF:
385 /* create if not exist, open if exists */
386 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
387 break;
388 case FILE_OVERWRITE:
389 /* fail if not exist, truncate if exists */
390 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
391 break;
392 default:
393 DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
394 create_disposition ));
395 return -1;
396 }
397
398 DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
399 (unsigned long)create_disposition, ret ));
400
401 return ret;
402 }
403
404 /****************************************************************************
405 Utility function to map share modes.
406 ****************************************************************************/
407
408 static int map_share_mode( char *fname, uint32 create_options,
409 uint32 *desired_access, uint32 share_access, uint32 file_attributes)
410 {
411 int smb_open_mode = -1;
412
413 /*
414 * Convert GENERIC bits to specific bits.
415 */
416
417 se_map_generic(desired_access, &file_generic_mapping);
418
419 switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
420 case FILE_READ_DATA:
421 smb_open_mode = DOS_OPEN_RDONLY;
422 break;
423 case FILE_WRITE_DATA:
424 case FILE_APPEND_DATA:
425 case FILE_WRITE_DATA|FILE_APPEND_DATA:
426 smb_open_mode = DOS_OPEN_WRONLY;
427 break;
428 case FILE_READ_DATA|FILE_WRITE_DATA:
429 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
430 case FILE_READ_DATA|FILE_APPEND_DATA:
431 smb_open_mode = DOS_OPEN_RDWR;
432 break;
433 }
434
435 /*
436 * NB. For DELETE_ACCESS we should really check the
437 * directory permissions, as that is what controls
438 * delete, and for WRITE_DAC_ACCESS we should really
439 * check the ownership, as that is what controls the
440 * chmod. Note that this is *NOT* a security hole (this
441 * note is for you, Andrew) as we are not *allowing*
442 * the access at this point, the actual unlink or
443 * chown or chmod call would do this. We are just helping
444 * clients out by telling them if they have a hope
445 * of any of this succeeding. POSIX acls may still
446 * deny the real call. JRA.
447 */
448
449 if (smb_open_mode == -1) {
450
451 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
452 FILE_EXECUTE|FILE_READ_ATTRIBUTES|
453 FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
454 FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
455 smb_open_mode = DOS_OPEN_RDONLY;
456 } else if(*desired_access == 0) {
457
458 /*
459 * JRA - NT seems to sometimes send desired_access as zero. play it safe
460 * and map to a stat open.
461 */
462
463 smb_open_mode = DOS_OPEN_RDONLY;
464
465 } else {
466 DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
467 (unsigned long)*desired_access, fname));
468 return -1;
469 }
470 }
471
472 /*
473 * Set the special bit that means allow share delete.
474 * This is held outside the normal share mode bits at 1<<15.
475 * JRA.
476 */
477
478 if(share_access & FILE_SHARE_DELETE) {
479 smb_open_mode |= ALLOW_SHARE_DELETE;
480 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
481 }
482
483 /*
484 * We need to store the intent to open for Delete. This
485 * is what determines if a delete on close flag can be set.
486 * This is the wrong way (and place) to store this, but for 2.2 this
487 * is the only practical way. JRA.
488 */
489
490 if(*desired_access & DELETE_ACCESS) {
491 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
492 }
493
494 if (create_options & FILE_DELETE_ON_CLOSE) {
495 /* Implicit delete access is *NOT* requested... */
496 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
497 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
498 }
499
500 /* Add in the requested share mode. */
501 switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
502 case FILE_SHARE_READ:
503 smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
504 break;
505 case FILE_SHARE_WRITE:
506 smb_open_mode |= SET_DENY_MODE(DENY_READ);
507 break;
508 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
509 smb_open_mode |= SET_DENY_MODE(DENY_NONE);
510 break;
511 case FILE_SHARE_NONE:
512 smb_open_mode |= SET_DENY_MODE(DENY_ALL);
513 break;
514 }
515
516 /*
517 * Handle an O_SYNC request.
518 */
519
520 if(file_attributes & FILE_FLAG_WRITE_THROUGH)
521 smb_open_mode |= FILE_SYNC_OPENMODE;
522
523 DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
524 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
525 (unsigned long)file_attributes, smb_open_mode ));
526
527 return smb_open_mode;
528 }
529
530 /****************************************************************************
531 Reply to an NT create and X call on a pipe.
532 ****************************************************************************/
533
534 static int nt_open_pipe(char *fname, connection_struct *conn,
535 char *inbuf, char *outbuf, int *ppnum)
536 {
537 pipes_struct *p = NULL;
538
539 uint16 vuid = SVAL(inbuf, smb_uid);
540 int i;
541
542 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
543
544 /* See if it is one we want to handle. */
545
546 if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
547 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
548
549 for( i = 0; known_nt_pipes[i]; i++ )
550 if( strequal(fname,known_nt_pipes[i]))
551 break;
552
553 if ( known_nt_pipes[i] == NULL )
554 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
555
556 /* Strip \\ off the name. */
557 fname++;
558
559 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
560
561 p = open_rpc_pipe_p(fname, conn, vuid);
562 if (!p)
563 return(ERROR_DOS(ERRSRV,ERRnofids));
564
565 *ppnum = p->pnum;
566
567 return 0;
568 }
569
570 /****************************************************************************
571 Reply to an NT create and X call for pipes.
572 ****************************************************************************/
573
574 static int do_ntcreate_pipe_open(connection_struct *conn,
575 char *inbuf,char *outbuf,int length,int bufsize)
576 {
577 pstring fname;
578 int ret;
579 int pnum = -1;
580 char *p = NULL;
581 uint32 fname_len = MIN(((uint32)SVAL(inbuf,smb_ntcreate_NameLength)),
582 ((uint32)sizeof(fname)-1));
583
584 get_filename(fname, inbuf, smb_buf(inbuf)-inbuf,
585 smb_buflen(inbuf),fname_len);
586 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
587 return ret;
588
589 /*
590 * Deal with pipe return.
591 */
592
593 set_message(outbuf,34,0,True);
594
595 p = outbuf + smb_vwv2;
596 p++;
597 SSVAL(p,0,pnum);
598 p += 2;
599 SIVAL(p,0,FILE_WAS_OPENED);
600 p += 4;
601 p += 32;
602 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
603 p += 20;
604 /* File type. */
605 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
606 /* Device state. */
607 SSVAL(p,2, 0x5FF); /* ? */
608
609 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
610
611 return chain_reply(inbuf,outbuf,length,bufsize);
612 }
613
614 /****************************************************************************
615 Reply to an NT create and X call.
616 ****************************************************************************/
617
618 int reply_ntcreate_and_X(connection_struct *conn,
619 char *inbuf,char *outbuf,int length,int bufsize)
620 {
621 int result;
622 pstring fname;
623 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
624 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
625 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
626 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
627 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
628 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
629 uint32 fname_len = MIN(((uint32)SVAL(inbuf,smb_ntcreate_NameLength)),
630 ((uint32)sizeof(fname)-1));
631 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
632 SMB_OFF_T allocation_size = 0;
633 int smb_ofun;
634 int smb_open_mode;
635 int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
636 /* Breakout the oplock request bits so we can set the
637 reply bits separately. */
638 int oplock_request = 0;
639 mode_t unixmode;
640 int fmode=0,rmode=0;
641 SMB_OFF_T file_len = 0;
642 SMB_STRUCT_STAT sbuf;
643 int smb_action = 0;
644 BOOL bad_path = False;
645 files_struct *fsp=NULL;
646 char *p = NULL;
647 time_t c_time;
648 BOOL extended_oplock_granted = False;
649
650 START_PROFILE(SMBntcreateX);
651
652 DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
653 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
654 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
655 share_access, create_disposition,
656 root_dir_fid, create_options ));
657
658 /* If it's an IPC, use the pipe handler. */
659
660 if (IS_IPC(conn)) {
661 if (lp_nt_pipe_support()) {
662 END_PROFILE(SMBntcreateX);
663 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
664 } else {
665 END_PROFILE(SMBntcreateX);
666 return(ERROR_DOS(ERRDOS,ERRnoaccess));
667 }
668 }
669
670 if (create_options & FILE_OPEN_BY_FILE_ID) {
671 END_PROFILE(SMBntcreateX);
672 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
673 }
674
675 /*
676 * We need to construct the open_and_X ofun value from the
677 * NT values, as that's what our code is structured to accept.
678 */
679
680 if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
681 END_PROFILE(SMBntcreateX);
682 return(ERROR_DOS(ERRDOS,ERRnoaccess));
683 }
684
685 /*
686 * Get the file name.
687 */
688
689 if(root_dir_fid != 0) {
690 /*
691 * This filename is relative to a directory fid.
692 */
693 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
694 size_t dir_name_len;
695
696 if(!dir_fsp) {
697 END_PROFILE(SMBntcreateX);
698 return(ERROR_DOS(ERRDOS,ERRbadfid));
699 }
700
701 if(!dir_fsp->is_directory) {
702
703 get_filename(&fname[0], inbuf, smb_buf(inbuf)-inbuf,
704 smb_buflen(inbuf),fname_len);
705
706 /*
707 * Check to see if this is a mac fork of some kind.
708 */
709
710 if( strchr(fname, ':')) {
711 END_PROFILE(SMBntcreateX);
712 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
713 }
714 END_PROFILE(SMBntcreateX);
715 return(ERROR_DOS(ERRDOS,ERRbadfid));
716 }
717
718 /*
719 * Copy in the base directory name.
720 */
721
722 pstrcpy( fname, dir_fsp->fsp_name );
723 dir_name_len = strlen(fname);
724
725 /*
726 * Ensure it ends in a '\'.
727 */
728
729 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
730 pstrcat(fname, "\\");
731 dir_name_len++;
732 }
733
734 /*
735 * This next calculation can refuse a correct filename if we're dealing
736 * with the Win2k unicode bug, but that would be rare. JRA.
737 */
738
739 if(fname_len + dir_name_len >= sizeof(pstring)) {
740 END_PROFILE(SMBntcreateX);
741 return(ERROR_DOS(ERRSRV,ERRfilespecs));
742 }
743
744 get_filename(&fname[dir_name_len], inbuf, smb_buf(inbuf)-inbuf,
745 smb_buflen(inbuf),fname_len);
746
747 } else {
748
749 get_filename(fname, inbuf, smb_buf(inbuf)-inbuf,
750 smb_buflen(inbuf),fname_len);
751
752 /*
753 * Check to see if this is a mac fork of some kind.
754 */
755
756 if( strchr(fname, ':')) {
757 END_PROFILE(SMBntcreateX);
758 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
759 }
760 }
761
762 /*
763 * Now contruct the smb_open_mode value from the filename,
764 * desired access and the share access.
765 */
766 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
767
768 if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
769 share_access,
770 file_attributes)) == -1) {
771 END_PROFILE(SMBntcreateX);
772 return ERROR_DOS(ERRDOS,ERRnoaccess);
773 }
774
775 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
776 if (oplock_request) {
777 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
778 }
779
780 /*
781 * Ordinary file or directory.
782 */
783
784 /*
785 * Check if POSIX semantics are wanted.
786 */
787
788 set_posix_case_semantics(file_attributes);
789
790 unix_convert(fname,conn,0,&bad_path,&sbuf);
791
792 unixmode = unix_mode(conn,smb_attr | aARCH, fname);
793
794 /*
795 * If it's a request for a directory open, deal with it separately.
796 */
797
798 if(create_options & FILE_DIRECTORY_FILE) {
799 oplock_request = 0;
800
801 /* Can't open a temp directory. IFS kit test. */
802 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
803 END_PROFILE(SMBntcreateX);
804 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
805 }
806
807 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
808
809 restore_case_semantics(file_attributes);
810
811 if(!fsp) {
812 set_bad_path_error(errno, bad_path);
813 END_PROFILE(SMBntcreateX);
814 return(UNIXERROR(ERRDOS,ERRnoaccess));
815 }
816 } else {
817 /*
818 * Ordinary file case.
819 */
820
821 /* NB. We have a potential bug here. If we
822 * cause an oplock break to ourselves, then we
823 * could end up processing filename related
824 * SMB requests whilst we await the oplock
825 * break response. As we may have changed the
826 * filename case semantics to be POSIX-like,
827 * this could mean a filename request could
828 * fail when it should succeed. This is a rare
829 * condition, but eventually we must arrange
830 * to restore the correct case semantics
831 * before issuing an oplock break request to
832 * our client. JRA. */
833
834 fsp = open_file_shared1(conn,fname,&sbuf,
835 desired_access,
836 smb_open_mode,
837 smb_ofun, unixmode, oplock_request,
838 &rmode,&smb_action);
839
840 if (!fsp) {
841 /* We cheat here. There are two cases we
842 * care about. One is a directory rename,
843 * where the NT client will attempt to
844 * open the source directory for
845 * DELETE access. Note that when the
846 * NT client does this it does *not*
847 * set the directory bit in the
848 * request packet. This is translated
849 * into a read/write open
850 * request. POSIX states that any open
851 * for write request on a directory
852 * will generate an EISDIR error, so
853 * we can catch this here and open a
854 * pseudo handle that is flagged as a
855 * directory. The second is an open
856 * for a permissions read only, which
857 * we handle in the open_file_stat case. JRA.
858 */
859
860 if(errno == EISDIR) {
861
862 /*
863 * Fail the open if it was explicitly a non-directory file.
864 */
865
866 if (create_options & FILE_NON_DIRECTORY_FILE) {
867 restore_case_semantics(file_attributes);
868 SSVAL(outbuf, smb_flg2,
869 SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
870 END_PROFILE(SMBntcreateX);
871 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
872 }
873
874 oplock_request = 0;
875 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
876
877 if(!fsp) {
878 restore_case_semantics(file_attributes);
879 set_bad_path_error(errno, bad_path);
880 END_PROFILE(SMBntcreateX);
881 return(UNIXERROR(ERRDOS,ERRnoaccess));
882 }
883 } else {
884
885 restore_case_semantics(file_attributes);
886 set_bad_path_error(errno, bad_path);
887
888 END_PROFILE(SMBntcreateX);
889 return(UNIXERROR(ERRDOS,ERRnoaccess));
890 }
891 }
892 }
893
894 restore_case_semantics(file_attributes);
895
896 file_len = sbuf.st_size;
897 fmode = dos_mode(conn,fname,&sbuf);
898 if(fmode == 0)
899 fmode = FILE_ATTRIBUTE_NORMAL;
900 if (!fsp->is_directory && (fmode & aDIR)) {
901 close_file(fsp,False);
902 END_PROFILE(SMBntcreateX);
903 return ERROR_DOS(ERRDOS,ERRnoaccess);
904 }
905
906 /* Save the requested allocation size. */
907 allocation_size = IVAL(inbuf,smb_ntcreate_AllocationSize);
908 #ifdef LARGE_SMB_OFF_T
909 allocation_size |= (((SMB_OFF_T)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
910 #endif
911 if (allocation_size && (allocation_size > file_len)) {
912 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
913 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
914 close_file(fsp,False);
915 END_PROFILE(SMBntcreateX);
916 return ERROR_NT(NT_STATUS_DISK_FULL);
917 }
918 } else {
919 fsp->initial_allocation_size = SMB_ROUNDUP(file_len,SMB_ROUNDUP_ALLOCATION_SIZE);
920 }
921
922 /*
923 * If the caller set the extended oplock request bit
924 * and we granted one (by whatever means) - set the
925 * correct bit for extended oplock reply.
926 */
927
928 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
929 extended_oplock_granted = True;
930
931 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
932 extended_oplock_granted = True;
933
934 #if 0
935 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
936 set_message(outbuf,42,0,True);
937 #else
938 set_message(outbuf,34,0,True);
939 #endif
940
941 p = outbuf + smb_vwv2;
942
943 /*
944 * Currently as we don't support level II oplocks we just report
945 * exclusive & batch here.
946 */
947
948 if (extended_oplock_granted) {
949 if (flags & REQUEST_BATCH_OPLOCK) {
950 SCVAL(p,0, BATCH_OPLOCK_RETURN);
951 } else {
952 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
953 }
954 } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
955 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
956 } else {
957 SCVAL(p,0,NO_OPLOCK_RETURN);
958 }
959
960 p++;
961 SSVAL(p,0,fsp->fnum);
962 p += 2;
963 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
964 SIVAL(p,0,FILE_WAS_SUPERSEDED);
965 else
966 SIVAL(p,0,smb_action);
967 p += 4;
968
969 /* Create time. */
970 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
971
972 if (lp_dos_filetime_resolution(SNUM(conn))) {
973 c_time &= ~1;
974 sbuf.st_atime &= ~1;
975 sbuf.st_mtime &= ~1;
976 sbuf.st_mtime &= ~1;
977 }
978
979 put_long_date(p,c_time);
980 p += 8;
981 put_long_date(p,sbuf.st_atime); /* access time */
982 p += 8;
983 put_long_date(p,sbuf.st_mtime); /* write time */
984 p += 8;
985 put_long_date(p,sbuf.st_mtime); /* change time */
986 p += 8;
987 SIVAL(p,0,fmode); /* File Attributes. */
988 p += 4;
989 SOFF_T(p, 0, get_allocation_size(fsp, &sbuf));
990 p += 8;
991 SOFF_T(p,0,file_len);
992 p += 12;
993 SCVAL(p,0,fsp->is_directory ? 1 : 0);
994
995 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
996
997 result = chain_reply(inbuf,outbuf,length,bufsize);
998 END_PROFILE(SMBntcreateX);
999 return result;
1000 }
1001
1002 /****************************************************************************
1003 Reply to a NT_TRANSACT_CREATE call to open a pipe.
1004 ****************************************************************************/
1005
1006 static int do_nt_transact_create_pipe( connection_struct *conn,
1007 char *inbuf, char *outbuf, int length,
1008 int bufsize, char **ppsetup, char **ppparams,
1009 char **ppdata)
1010 {
1011 pstring fname;
1012 uint32 fname_len;
1013 int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
1014 char *params = *ppparams;
1015 int ret;
1016 int pnum = -1;
1017 char *p = NULL;
1018
1019 /*
1020 * Ensure minimum number of parameters sent.
1021 */
1022
1023 if(total_parameter_count < 54) {
1024 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
1025 return ERROR_DOS(ERRDOS,ERRnoaccess);
1026 }
1027
1028 fname_len = MIN(((uint32)IVAL(params,44)),((uint32)sizeof(fname)-1));
1029
1030 get_filename_transact(&fname[0], params, 53,
1031 total_parameter_count - 53 - fname_len, fname_len);
1032
1033 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
1034 return ret;
1035
1036 /* Realloc the size of parameters and data we will return */
1037 params = Realloc(*ppparams, 69);
1038 if(params == NULL)
1039 return ERROR_DOS(ERRDOS,ERRnomem);
1040
1041 *ppparams = params;
1042
1043 memset((char *)params,'\0',69);
1044
1045 p = params;
1046 SCVAL(p,0,NO_OPLOCK_RETURN);
1047
1048 p += 2;
1049 SSVAL(p,0,pnum);
1050 p += 2;
1051 SIVAL(p,0,FILE_WAS_OPENED);
1052 p += 8;
1053
1054 p += 32;
1055 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1056 p += 20;
1057 /* File type. */
1058 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1059 /* Device state. */
1060 SSVAL(p,2, 0x5FF); /* ? */
1061
1062 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1063
1064 /* Send the required number of replies */
1065 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1066
1067 return -1;
1068 }
1069
1070 /****************************************************************************
1071 Internal fn to set security descriptors.
1072 ****************************************************************************/
1073
1074 static BOOL set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent, int *pdef_class,uint32 *pdef_code)
1075 {
1076 prs_struct pd;
1077 SEC_DESC *psd = NULL;
1078 TALLOC_CTX *mem_ctx;
1079 BOOL ret;
1080
1081 if (sd_len == 0) {
1082 *pdef_class = 0;
1083 *pdef_code = 0;
1084 return True;
1085 }
1086
1087 /*
1088 * Init the parse struct we will unmarshall from.
1089 */
1090
1091 if ((mem_ctx = talloc_init()) == NULL) {
1092 DEBUG(0,("set_sd: talloc_init failed.\n"));
1093 *pdef_class = ERRDOS;
1094 *pdef_code = ERRnomem;
1095 return False;
1096 }
1097
1098 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1099
1100 /*
1101 * Setup the prs_struct to point at the memory we just
1102 * allocated.
1103 */
1104
1105 prs_give_memory( &pd, data, sd_len, False);
1106
1107 /*
1108 * Finally, unmarshall from the data buffer.
1109 */
1110
1111 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1112 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1113 /*
1114 * Return access denied for want of a better error message..
1115 */
1116 talloc_destroy(mem_ctx);
1117 *pdef_class = ERRDOS;
1118 *pdef_code = ERRnomem;
1119 return False;
1120 }
1121
1122 if (psd->off_owner_sid==0)
1123 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1124 if (psd->off_grp_sid==0)
1125 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1126 if (psd->off_sacl==0)
1127 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1128 if (psd->off_dacl==0)
1129 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1130
1131 ret = fsp->conn->vfs_ops.fset_nt_acl( fsp, fsp->fd, security_info_sent, psd);
1132
1133 if (!ret) {
1134 talloc_destroy(mem_ctx);
1135 *pdef_class = ERRDOS;
1136 *pdef_code = ERRnoaccess;
1137 return False;
1138 }
1139
1140 talloc_destroy(mem_ctx);
1141
1142 *pdef_class = 0;
1143 *pdef_code = 0;
1144 return True;
1145 }
1146
1147 /****************************************************************************
1148 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1149 ****************************************************************************/
1150
1151 static int call_nt_transact_create(connection_struct *conn,
1152 char *inbuf, char *outbuf, int length,
1153 int bufsize, char **ppsetup, char **ppparams,
1154 char **ppdata)
1155 {
1156 pstring fname;
1157 char *params = *ppparams;
1158 char *data = *ppdata;
1159 int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
1160 /* Breakout the oplock request bits so we can set the reply bits separately. */
1161 int oplock_request = 0;
1162 mode_t unixmode;
1163 int fmode=0,rmode=0;
1164 SMB_OFF_T file_len = 0;
1165 SMB_STRUCT_STAT sbuf;
1166 int smb_action = 0;
1167 BOOL bad_path = False;
1168 files_struct *fsp = NULL;
1169 char *p = NULL;
1170 BOOL extended_oplock_granted = False;
1171 uint32 flags;
1172 uint32 desired_access;
1173 uint32 file_attributes;
1174 uint32 share_access;
1175 uint32 create_disposition;
1176 uint32 create_options;
1177 uint32 fname_len;
1178 uint32 sd_len;
1179 uint16 root_dir_fid;
1180 SMB_OFF_T allocation_size;
1181 int smb_ofun;
1182 int smb_open_mode;
1183 int smb_attr;
1184 int error_class;
1185 uint32 error_code;
1186 time_t c_time;
1187
1188 DEBUG(5,("call_nt_transact_create\n"));
1189
1190 /*
1191 * If it's an IPC, use the pipe handler.
1192 */
1193
1194 if (IS_IPC(conn)) {
1195 if (lp_nt_pipe_support())
1196 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1197 bufsize, ppsetup, ppparams, ppdata);
1198 else
1199 return ERROR_DOS(ERRDOS,ERRnoaccess);
1200 }
1201
1202 /*
1203 * Ensure minimum number of parameters sent.
1204 */
1205
1206 if(total_parameter_count < 54) {
1207 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
1208 return ERROR_DOS(ERRDOS,ERRnoaccess);
1209 }
1210
1211 flags = IVAL(params,0);
1212 desired_access = IVAL(params,8);
1213 file_attributes = IVAL(params,20);
1214 share_access = IVAL(params,24);
1215 create_disposition = IVAL(params,28);
1216 create_options = IVAL(params,32);
1217 sd_len = IVAL(params,36);
1218 fname_len = MIN(((uint32)IVAL(params,44)),((uint32)sizeof(fname)-1));
1219 root_dir_fid = (uint16)IVAL(params,4);
1220 smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
1221
1222 if (create_options & FILE_OPEN_BY_FILE_ID) {
1223 END_PROFILE(SMBntcreateX);
1224 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1225 }
1226
1227 /*
1228 * We need to construct the open_and_X ofun value from the
1229 * NT values, as that's what our code is structured to accept.
1230 */
1231
1232 if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1233 return ERROR_DOS(ERRDOS,ERRbadmem);
1234
1235 /*
1236 * Get the file name.
1237 */
1238
1239 if(root_dir_fid != 0) {
1240 /*
1241 * This filename is relative to a directory fid.
1242 */
1243
1244 files_struct *dir_fsp = file_fsp(params,4);
1245 size_t dir_name_len;
1246
1247 if(!dir_fsp)
1248 return ERROR_DOS(ERRDOS,ERRbadfid);
1249
1250 if(!dir_fsp->is_directory) {
1251 get_filename_transact(&fname[0], params, 53,
1252 total_parameter_count - 53 - fname_len, fname_len);
1253
1254 /*
1255 * Check to see if this is a mac fork of some kind.
1256 */
1257
1258 if( strchr(fname, ':'))
1259 return(ERROR_BOTH(NT_STATUS_OBJECT_PATH_NOT_FOUND,ERRDOS,ERRbadpath));
1260
1261 return(ERROR_DOS(ERRDOS,ERRbadfid));
1262 }
1263
1264 /*
1265 * Copy in the base directory name.
1266 */
1267
1268 pstrcpy( fname, dir_fsp->fsp_name );
1269 dir_name_len = strlen(fname);
1270
1271 /*
1272 * Ensure it ends in a '\'.
1273 */
1274
1275 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1276 pstrcat(fname, "\\");
1277 dir_name_len++;
1278 }
1279
1280 /*
1281 * This next calculation can refuse a correct filename if we're dealing
1282 * with the Win2k unicode bug, but that would be rare. JRA.
1283 */
1284
1285 if(fname_len + dir_name_len >= sizeof(pstring))
1286 return(ERROR_DOS(ERRSRV,ERRfilespecs));
1287
1288 get_filename_transact(&fname[dir_name_len], params, 53,
1289 total_parameter_count - 53 - fname_len, fname_len);
1290
1291 } else {
1292 get_filename_transact(&fname[0], params, 53,
1293 total_parameter_count - 53 - fname_len, fname_len);
1294
1295 /*
1296 * Check to see if this is a mac fork of some kind.
1297 */
1298
1299 if( strchr(fname, ':'))
1300 return(ERROR_BOTH(NT_STATUS_OBJECT_PATH_NOT_FOUND,ERRDOS,ERRbadpath));
1301 }
1302
1303 /*
1304 * Now contruct the smb_open_mode value from the desired access
1305 * and the share access.
1306 */
1307
1308 if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1309 share_access, file_attributes)) == -1)
1310 return ERROR_DOS(ERRDOS,ERRnoaccess);
1311
1312 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1313 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1314
1315 /*
1316 * Check if POSIX semantics are wanted.
1317 */
1318
1319 set_posix_case_semantics(file_attributes);
1320
1321 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1322
1323 unix_convert(fname,conn,0,&bad_path,&sbuf);
1324
1325 unixmode = unix_mode(conn,smb_attr | aARCH, fname);
1326
1327 /*
1328 * If it's a request for a directory open, deal with it separately.
1329 */
1330
1331 if(create_options & FILE_DIRECTORY_FILE) {
1332
1333 /* Can't open a temp directory. IFS kit test. */
1334 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1335 END_PROFILE(SMBntcreateX);
1336 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1337 }
1338
1339 oplock_request = 0;
1340
1341 /*
1342 * We will get a create directory here if the Win32
1343 * app specified a security descriptor in the
1344 * CreateDirectory() call.
1345 */
1346
1347 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1348
1349 if(!fsp) {
1350 restore_case_semantics(file_attributes);
1351 set_bad_path_error(errno, bad_path);
1352 return(UNIXERROR(ERRDOS,ERRnoaccess));
1353 }
1354
1355 } else {
1356
1357 /*
1358 * Ordinary file case.
1359 */
1360
1361 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,smb_open_mode,smb_ofun,unixmode,
1362 oplock_request,&rmode,&smb_action);
1363
1364 if (!fsp) {
1365
1366 if(errno == EISDIR) {
1367
1368 /*
1369 * Fail the open if it was explicitly a non-directory file.
1370 */
1371
1372 if (create_options & FILE_NON_DIRECTORY_FILE) {
1373 restore_case_semantics(file_attributes);
1374 SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1375 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1376 }
1377
1378 oplock_request = 0;
1379 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1380
1381 if(!fsp) {
1382 restore_case_semantics(file_attributes);
1383 set_bad_path_error(errno, bad_path);
1384 return(UNIXERROR(ERRDOS,ERRnoaccess));
1385 }
1386 } else {
1387
1388 restore_case_semantics(file_attributes);
1389 set_bad_path_error(errno, bad_path);
1390
1391 return(UNIXERROR(ERRDOS,ERRnoaccess));
1392 }
1393 }
1394
1395 file_len = sbuf.st_size;
1396 fmode = dos_mode(conn,fname,&sbuf);
1397 if(fmode == 0)
1398 fmode = FILE_ATTRIBUTE_NORMAL;
1399
1400 if (fmode & aDIR) {
1401 close_file(fsp,False);
1402 restore_case_semantics(file_attributes);
1403 return ERROR_DOS(ERRDOS,ERRnoaccess);
1404 }
1405
1406 /*
1407 * If the caller set the extended oplock request bit
1408 * and we granted one (by whatever means) - set the
1409 * correct bit for extended oplock reply.
1410 */
1411
1412 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1413 extended_oplock_granted = True;
1414
1415 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1416 extended_oplock_granted = True;
1417 }
1418
1419 /*
1420 * Now try and apply the desired SD.
1421 */
1422
1423 if (sd_len && !set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION, &error_class, &error_code)) {
1424 close_file(fsp,False);
1425 restore_case_semantics(file_attributes);
1426 return ERROR_DOS(error_class, error_code);
1427 }
1428
1429 restore_case_semantics(file_attributes);
1430
1431 /* Save the requested allocation size. */
1432 allocation_size = IVAL(params,12);
1433 #ifdef LARGE_SMB_OFF_T
1434 allocation_size |= (((SMB_OFF_T)IVAL(params,16)) << 32);
1435 #endif
1436 if (allocation_size && (allocation_size > file_len)) {
1437 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
1438 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1439 close_file(fsp,False);
1440 END_PROFILE(SMBntcreateX);
1441 return ERROR_NT(NT_STATUS_DISK_FULL);
1442 }
1443 } else {
1444 fsp->initial_allocation_size = SMB_ROUNDUP(file_len,SMB_ROUNDUP_ALLOCATION_SIZE);
1445 }
1446
1447 /* Realloc the size of parameters and data we will return */
1448 params = Realloc(*ppparams, 69);
1449 if(params == NULL)
1450 return ERROR_DOS(ERRDOS,ERRnomem);
1451
1452 *ppparams = params;
1453
1454 memset((char *)params,'\0',69);
1455
1456 p = params;
1457 if (extended_oplock_granted)
1458 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1459 else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1460 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1461 else
1462 SCVAL(p,0,NO_OPLOCK_RETURN);
1463
1464 p += 2;
1465 SSVAL(p,0,fsp->fnum);
1466 p += 2;
1467 if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1468 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1469 else
1470 SIVAL(p,0,smb_action);
1471 p += 8;
1472
1473 /* Create time. */
1474 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1475
1476 if (lp_dos_filetime_resolution(SNUM(conn))) {
1477 c_time &= ~1;
1478 sbuf.st_atime &= ~1;
1479 sbuf.st_mtime &= ~1;
1480 sbuf.st_mtime &= ~1;
1481 }
1482
1483 put_long_date(p,c_time);
1484 p += 8;
1485 put_long_date(p,sbuf.st_atime); /* access time */
1486 p += 8;
1487 put_long_date(p,sbuf.st_mtime); /* write time */
1488 p += 8;
1489 put_long_date(p,sbuf.st_mtime); /* change time */
1490 p += 8;
1491 SIVAL(p,0,fmode); /* File Attributes. */
1492 p += 4;
1493 SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1494 p += 8;
1495 SOFF_T(p,0,file_len);
1496
1497 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1498
1499 /* Send the required number of replies */
1500 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1501
1502 return -1;
1503 }
1504
1505 /****************************************************************************
1506 Reply to a NT CANCEL request.
1507 ****************************************************************************/
1508
1509 int reply_ntcancel(connection_struct *conn,
1510 char *inbuf,char *outbuf,int length,int bufsize)
1511 {
1512 /*
1513 * Go through and cancel any pending change notifies.
1514 */
1515
1516 int mid = SVAL(inbuf,smb_mid);
1517 START_PROFILE(SMBntcancel);
1518 remove_pending_change_notify_requests_by_mid(mid);
1519 remove_pending_lock_requests_by_mid(mid);
1520
1521 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1522
1523 END_PROFILE(SMBntcancel);
1524 return(-1);
1525 }
1526
1527 /****************************************************************************
1528 Reply to an unsolicited SMBNTtranss - just ignore it!
1529 ****************************************************************************/
1530
1531 int reply_nttranss(connection_struct *conn,
1532 char *inbuf,char *outbuf,int length,int bufsize)
1533 {
1534 START_PROFILE(SMBnttranss);
1535 DEBUG(4,("Ignoring nttranss of length %d\n",length));
1536 END_PROFILE(SMBnttranss);
1537 return(-1);
1538 }
1539
1540 /****************************************************************************
1541 Reply to a notify change - queue the request and
1542 don't allow a directory to be opened.
1543 ****************************************************************************/
1544 static int call_nt_transact_notify_change(connection_struct *conn,
1545 char *inbuf, char *outbuf, int length,
1546 int bufsize,
1547 char **ppsetup,
1548 char **ppparams, char **ppdata)
1549 {
1550 char *setup = *ppsetup;
1551 files_struct *fsp;
1552 uint32 flags;
1553
1554 fsp = file_fsp(setup,4);
1555 flags = IVAL(setup, 0);
1556
1557 DEBUG(3,("call_nt_transact_notify_change\n"));
1558
1559 if(!fsp)
1560 return ERROR_DOS(ERRDOS,ERRbadfid);
1561
1562 if((!fsp->is_directory) || (conn != fsp->conn))
1563 return ERROR_DOS(ERRDOS,ERRbadfid);
1564
1565 if (!change_notify_set(inbuf, fsp, conn, flags))
1566 return(UNIXERROR(ERRDOS,ERRbadfid));
1567
1568 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1569 name = %s\n", fsp->fsp_name ));
1570
1571 return -1;
1572 }
1573
1574 /****************************************************************************
1575 Reply to an NT transact rename command.
1576 ****************************************************************************/
1577
1578 static int call_nt_transact_rename(connection_struct *conn,
1579 char *inbuf, char *outbuf, int length,
1580 int bufsize,
1581 char **ppsetup, char **ppparams, char **ppdata)
1582 {
1583 char *params = *ppparams;
1584 pstring new_name;
1585 files_struct *fsp = file_fsp(params, 0);
1586 BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1587 NTSTATUS status;
1588 uint32 fname_len = MIN((((uint32)IVAL(inbuf,smb_nt_TotalParameterCount)-4)),
1589 ((uint32)sizeof(new_name)-1));
1590
1591 CHECK_FSP(fsp, conn);
1592 StrnCpy(new_name,params+4,fname_len);
1593 new_name[fname_len] = '\0';
1594
1595 status = rename_internals(conn, fsp->fsp_name,
1596 new_name, replace_if_exists);
1597 if (!NT_STATUS_IS_OK(status))
1598 return ERROR_NT(status);
1599
1600 /*
1601 * Rename was successful.
1602 */
1603 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1604
1605 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1606 fsp->fsp_name, new_name));
1607
1608 /*
1609 * Win2k needs a changenotify request response before it will
1610 * update after a rename..
1611 */
1612
1613 process_pending_change_notify_queue((time_t)0);
1614
1615 return -1;
1616 }
1617
1618 /******************************************************************************
1619 Fake up a completely empty SD.
1620 *******************************************************************************/
1621
1622 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1623 {
1624 extern DOM_SID global_sid_World;
1625 size_t sd_size;
1626
1627 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1628 if(!*ppsd) {
1629 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1630 sd_size = 0;
1631 }
1632
1633 return sd_size;
1634 }
1635
1636 /****************************************************************************
1637 Reply to query a security descriptor - currently this is not implemented (it
1638 is planned to be though). Right now it just returns the same thing NT would
1639 when queried on a FAT filesystem. JRA.
1640 ****************************************************************************/
1641
1642 static int call_nt_transact_query_security_desc(connection_struct *conn,
1643 char *inbuf, char *outbuf,
1644 int length, int bufsize,
1645 char **ppsetup, char **ppparams, char **ppdata)
1646 {
1647 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1648 char *params = *ppparams;
1649 char *data = *ppdata;
1650 prs_struct pd;
1651 SEC_DESC *psd = NULL;
1652 size_t sd_size;
1653 TALLOC_CTX *mem_ctx;
1654
1655 files_struct *fsp = file_fsp(params,0);
1656
1657 if(!fsp)
1658 return ERROR_DOS(ERRDOS,ERRbadfid);
1659
1660 DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1661
1662 params = Realloc(*ppparams, 4);
1663 if(params == NULL)
1664 return ERROR_DOS(ERRDOS,ERRnomem);
1665
1666 *ppparams = params;
1667
1668 if ((mem_ctx = talloc_init()) == NULL) {
1669 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1670 return ERROR_DOS(ERRDOS,ERRnomem);
1671 }
1672
1673 /*
1674 * Get the permissions to return.
1675 */
1676
1677 if (!lp_nt_acl_support(SNUM(conn)))
1678 sd_size = get_null_nt_acl(mem_ctx, &psd);
1679 else
1680 sd_size = conn->vfs_ops.fget_nt_acl(fsp, fsp->fd, &psd);
1681
1682 if (sd_size == 0) {
1683 talloc_destroy(mem_ctx);
1684 return(UNIXERROR(ERRDOS,ERRnoaccess));
1685 }
1686
1687 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1688
1689 SIVAL(params,0,(uint32)sd_size);
1690
1691 if(max_data_count < sd_size) {
1692
1693 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1694 params, 4, *ppdata, 0);
1695 talloc_destroy(mem_ctx);
1696 return -1;
1697 }
1698
1699 /*
1700 * Allocate the data we will point this at.
1701 */
1702
1703 data = Realloc(*ppdata, sd_size);
1704 if(data == NULL) {
1705 talloc_destroy(mem_ctx);
1706 return ERROR_DOS(ERRDOS,ERRnomem);
1707 }
1708
1709 *ppdata = data;
1710
1711 memset(data, '\0', sd_size);
1712
1713 /*
1714 * Init the parse struct we will marshall into.
1715 */
1716
1717 prs_init(&pd, 0, mem_ctx, MARSHALL);
1718
1719 /*
1720 * Setup the prs_struct to point at the memory we just
1721 * allocated.
1722 */
1723
1724 prs_give_memory( &pd, data, (uint32)sd_size, False);
1725
1726 /*
1727 * Finally, linearize into the outgoing buffer.
1728 */
1729
1730 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1731 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1732 security descriptor.\n"));
1733 /*
1734 * Return access denied for want of a better error message..
1735 */
1736 talloc_destroy(mem_ctx);
1737 return(UNIXERROR(ERRDOS,ERRnoaccess));
1738 }
1739
1740 /*
1741 * Now we can delete the security descriptor.
1742 */
1743
1744 talloc_destroy(mem_ctx);
1745
1746 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1747 return -1;
1748 }
1749
1750 /****************************************************************************
1751 Reply to set a security descriptor. Map to UNIX perms.
1752 ****************************************************************************/
1753
1754 static int call_nt_transact_set_security_desc(connection_struct *conn,
1755 char *inbuf, char *outbuf, int length,
1756 int bufsize, char **ppsetup,
1757 char **ppparams, char **ppdata)
1758 {
1759 uint32 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1760 char *params= *ppparams;
1761 char *data = *ppdata;
1762 uint32 total_data_count = (uint32)IVAL(inbuf, smb_nts_TotalDataCount);
1763 files_struct *fsp = NULL;
1764 uint32 security_info_sent = 0;
1765 int error_class;
1766 uint32 error_code;
1767
1768 if(total_parameter_count < 8)
1769 return ERROR_DOS(ERRDOS,ERRbadfunc);
1770
1771 if((fsp = file_fsp(params,0)) == NULL)
1772 return ERROR_DOS(ERRDOS,ERRbadfid);
1773
1774 if(!lp_nt_acl_support(SNUM(conn)))
1775 goto done;
1776
1777 security_info_sent = IVAL(params,4);
1778
1779 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1780 (unsigned int)security_info_sent ));
1781
1782 if (total_data_count == 0)
1783 return ERROR_DOS(ERRDOS, ERRnoaccess);
1784
1785 if (!set_sd( fsp, data, total_data_count, security_info_sent, &error_class, &error_code))
1786 return ERROR_DOS(error_class, error_code);
1787
1788 done:
1789
1790 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1791 return -1;
1792 }
1793
1794 /****************************************************************************
1795 Reply to IOCTL.
1796 ****************************************************************************/
1797
1798 static int call_nt_transact_ioctl(connection_struct *conn,
1799 char *inbuf, char *outbuf, int length,
1800 int bufsize,
1801 char **ppsetup, int setup_count,
1802 char **ppparams, int parameter_count,
1803 char **ppdata, int data_count)
1804 {
1805 unsigned fnum, control;
1806 static BOOL logged_message;
1807
1808 if (setup_count != 8) {
1809 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1810 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1811 }
1812
1813 fnum = SVAL(*ppsetup, 4);
1814 control = IVAL(*ppsetup, 0);
1815
1816 DEBUG(6,("call_nt_transact_ioctl: fnum=%d control=0x%x\n",
1817 fnum, control));
1818
1819 switch (control) {
1820 case NTIOCTL_SET_SPARSE:
1821 /* pretend this succeeded - tho strictly we should
1822 mark the file sparse (if the local fs supports it)
1823 so we can know if we need to pre-allocate or not */
1824 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1825 return -1;
1826
1827 default:
1828 if (!logged_message) {
1829 logged_message = True; /* Only print this once... */
1830 DEBUG(3,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1831 control));
1832 }
1833 }
1834
1835 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1836 }
1837
1838 /****************************************************************************
1839 Reply to a SMBNTtrans.
1840 ****************************************************************************/
1841 int reply_nttrans(connection_struct *conn,
1842 char *inbuf,char *outbuf,int length,int bufsize)
1843 {
1844 int outsize = 0;
1845 #if 0 /* Not used. */
1846 uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
1847 uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
1848 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1849 #endif /* Not used. */
1850 uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
1851 uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
1852 uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
1853 uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
1854 uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
1855 uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
1856 uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
1857 uint16 function_code = SVAL( inbuf, smb_nt_Function);
1858 char *params = NULL, *data = NULL, *setup = NULL;
1859 uint32 num_params_sofar, num_data_sofar;
1860 START_PROFILE(SMBnttrans);
1861
1862 if(global_oplock_break &&
1863 ((function_code == NT_TRANSACT_CREATE) ||
1864 (function_code == NT_TRANSACT_RENAME))) {
1865 /*
1866 * Queue this open message as we are the process of an oplock break.
1867 */
1868
1869 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
1870 due to being in oplock break state.\n", (unsigned int)function_code ));
1871
1872 push_oplock_pending_smb_message( inbuf, length);
1873 END_PROFILE(SMBnttrans);
1874 return -1;
1875 }
1876
1877 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
1878 END_PROFILE(SMBnttrans);
1879 return ERROR_DOS(ERRSRV,ERRaccess);
1880 }
1881
1882 outsize = set_message(outbuf,0,0,True);
1883
1884 /*
1885 * All nttrans messages we handle have smb_wct == 19 + setup_count.
1886 * Ensure this is so as a sanity check.
1887 */
1888
1889 if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
1890 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
1891 CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
1892 END_PROFILE(SMBnttrans);
1893 return ERROR_DOS(ERRSRV,ERRerror);
1894 }
1895
1896 /* Allocate the space for the setup, the maximum needed parameters and data */
1897
1898 if(setup_count > 0)
1899 setup = (char *)malloc(setup_count);
1900 if (total_parameter_count > 0)
1901 params = (char *)malloc(total_parameter_count);
1902 if (total_data_count > 0)
1903 data = (char *)malloc(total_data_count);
1904
1905 if ((total_parameter_count && !params) || (total_data_count && !data) ||
1906 (setup_count && !setup)) {
1907 safe_free(setup);
1908 safe_free(params);
1909 safe_free(data);
1910 DEBUG(0,("reply_nttrans : Out of memory\n"));
1911 END_PROFILE(SMBnttrans);
1912 return ERROR_DOS(ERRDOS,ERRnomem);
1913 }
1914
1915 /* Copy the param and data bytes sent with this request into
1916 the params buffer */
1917 num_params_sofar = parameter_count;
1918 num_data_sofar = data_count;
1919
1920 if (parameter_count > total_parameter_count || data_count > total_data_count)
1921 exit_server("reply_nttrans: invalid sizes in packet.");
1922
1923 if(setup) {
1924 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
1925 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
1926 dump_data(10, setup, setup_count);
1927 }
1928 if(params) {
1929 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
1930 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
1931 dump_data(10, params, parameter_count);
1932 }
1933 if(data) {
1934 memcpy( data, smb_base(inbuf) + data_offset, data_count);
1935 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
1936 dump_data(10, data, data_count);
1937 }
1938
1939 if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1940 /* We need to send an interim response then receive the rest
1941 of the parameter/data bytes */
1942 outsize = set_message(outbuf,0,0,True);
1943 if (!send_smb(smbd_server_fd(),outbuf))
1944 exit_server("reply_nttrans: send_smb failed.");
1945
1946 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1947 BOOL ret;
1948
1949 ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
1950
1951 if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
1952 outsize = set_message(outbuf,0,0,True);
1953 if(ret) {
1954 DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
1955 } else {
1956 DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
1957 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
1958 }
1959 SAFE_FREE(params);
1960 SAFE_FREE(data);
1961 SAFE_FREE(setup);
1962 END_PROFILE(SMBnttrans);
1963 return ERROR_DOS(ERRSRV,ERRerror);
1964 }
1965
1966 /* Revise total_params and total_data in case they have changed downwards */
1967 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1968 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
1969 num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
1970 num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
1971 if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
1972 exit_server("reply_nttrans2: data overflow in secondary nttrans packet");
1973
1974 memcpy( &params[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
1975 smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
1976 memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
1977 smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
1978 }
1979 }
1980
1981 if (Protocol >= PROTOCOL_NT1)
1982 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
1983
1984 /* Now we must call the relevant NT_TRANS function */
1985 switch(function_code) {
1986 case NT_TRANSACT_CREATE:
1987 START_PROFILE_NESTED(NT_transact_create);
1988 outsize = call_nt_transact_create(conn, inbuf, outbuf, length, bufsize,
1989 &setup, &params, &data);
1990 END_PROFILE_NESTED(NT_transact_create);
1991 break;
1992 case NT_TRANSACT_IOCTL:
1993 START_PROFILE_NESTED(NT_transact_ioctl);
1994 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
1995 length, bufsize,
1996 &setup, setup_count,
1997 &params, parameter_count,
1998 &data, data_count);
1999 END_PROFILE_NESTED(NT_transact_ioctl);
2000 break;
2001 case NT_TRANSACT_SET_SECURITY_DESC:
2002 START_PROFILE_NESTED(NT_transact_set_security_desc);
2003 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2004 length, bufsize,
2005 &setup, &params, &data);
2006 END_PROFILE_NESTED(NT_transact_set_security_desc);
2007 break;
2008 case NT_TRANSACT_NOTIFY_CHANGE:
2009 START_PROFILE_NESTED(NT_transact_notify_change);
2010 outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2011 length, bufsize,
2012 &setup, &params, &data);
2013 END_PROFILE_NESTED(NT_transact_notify_change);
2014 break;
2015 case NT_TRANSACT_RENAME:
2016 START_PROFILE_NESTED(NT_transact_rename);
2017 outsize = call_nt_transact_rename(conn, inbuf, outbuf, length,
2018 bufsize,
2019 &setup, &params, &data);
2020 END_PROFILE_NESTED(NT_transact_rename);
2021 break;
2022
2023 case NT_TRANSACT_QUERY_SECURITY_DESC:
2024 START_PROFILE_NESTED(NT_transact_query_security_desc);
2025 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2026 length, bufsize,
2027 &setup, &params, &data);
2028 END_PROFILE_NESTED(NT_transact_query_security_desc);
2029 break;
2030 default:
2031 /* Error in request */
2032 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
2033 SAFE_FREE(setup);
2034 SAFE_FREE(params);
2035 SAFE_FREE(data);
2036 END_PROFILE(SMBnttrans);
2037 return ERROR_DOS(ERRSRV,ERRerror);
2038 }
2039
2040 /* As we do not know how many data packets will need to be
2041 returned here the various call_nt_transact_xxxx calls
2042 must send their own. Thus a call_nt_transact_xxxx routine only
2043 returns a value other than -1 when it wants to send
2044 an error packet.
2045 */
2046
2047 SAFE_FREE(setup);
2048 SAFE_FREE(params);
2049 SAFE_FREE(data);
2050 END_PROFILE(SMBnttrans);
2051 return outsize; /* If a correct response was needed the call_nt_transact_xxxx
2052 calls have already sent it. If outsize != -1 then it is
2053 returning an error packet. */
2054 }
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